CN112653210A - Charger with data transmission function - Google Patents

Charger with data transmission function Download PDF

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Publication number
CN112653210A
CN112653210A CN202011443429.XA CN202011443429A CN112653210A CN 112653210 A CN112653210 A CN 112653210A CN 202011443429 A CN202011443429 A CN 202011443429A CN 112653210 A CN112653210 A CN 112653210A
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Prior art keywords
charging
type
quick
data transmission
module
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CN202011443429.XA
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Chinese (zh)
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CN112653210B (en
Inventor
赵智星
杨譓鹏
冷昭君
詹海峰
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Hunan Giantsun Power Electronics Co Ltd
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Hunan Giantsun Power Electronics Co Ltd
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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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
    • H04N21/4363—Adapting the video stream to a specific local network, e.g. a Bluetooth® network
    • H04N21/43632—Adapting the video stream to a specific local network, e.g. a Bluetooth® network involving a wired protocol, e.g. IEEE 1394
    • H04N21/43635—HDMI
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/222—Studio circuitry; Studio devices; Studio equipment
    • H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
    • H04N5/268—Signal distribution or switching
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/765—Interface circuits between an apparatus for recording and another apparatus
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141—Constructional details thereof
    • 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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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The invention provides a charger with data transmission, and belongs to the technical field of battery charging. The charger with the data transmission comprises an AD-to-DC control circuit, a Type-C1 quick charging and data transmission module, a Type-C2 quick charging module, a USB-A and HUB module and a video transmission module; the AD-to-DC conversion control circuit is respectively connected with the Type-C1 quick charging and data transmission module and the Type-C2 quick charging module; the Type-C1 quick charging and data transmission module is electrically connected with the Type-C2 quick charging module, the USB-A and HUB module and the video transmission module; and the USB-A and HUB modules are electrically connected with the video transmission module.

Description

Charger with data transmission function
Technical Field
The invention provides a charger with data transmission, and belongs to the technical field of battery charging.
Background
With the development of the technology, electronic products and devices are widely applied, and with the popularization of portable electronic products, a multifunctional charger for fast charging and HUB HDMI data and video transmission is a future trend.
The existing charger in the market at present is quickly charged with two-port and multi-port chargers, or has a single USB3.1 HUB + HDMI data + screen projection function, the two functions are single, and the currently and generally adopted mode is that the charger is quickly charged and the HUB + HDMI respectively use two sets of shell designs; therefore, the purchase cost of the charger and the two sets of shell bodies of HUB and HDMI is higher, the charger is inconvenient to carry by a user, and the occupied space is! When people use a plurality of electronic devices, the people generally need to carry the plurality of electronic devices, which causes certain inconvenience to users. Therefore, a multifunctional fast charging with the functions of multi-output port + HUB + HDMI data + screen projection becomes a demand.
Disclosure of Invention
The invention provides a charger with data transmission, which is used for solving the problem of single function of the existing charger and adopts the following technical scheme:
the invention provides a charger with data transmission, which comprises an AD-to-DC control circuit, a Type-C1 quick charging and data transmission module, a Type-C2 quick charging module, a USB-A and HUB module and a video transmission module, wherein the AD-to-DC control circuit is connected with the data transmission module; the AD-to-DC conversion control circuit is respectively connected with the Type-C1 quick charging and data transmission module and the Type-C2 quick charging module; the Type-C1 quick charging and data transmission module is electrically connected with the Type-C2 quick charging module, the USB-A and HUB module and the video transmission module; and the USB-A and HUB modules are electrically connected with the video transmission module.
Further, the Type-C1 quick charging and data transmission module comprises a first voltage reduction circuit, a first PD quick charging controller, a data transmission controller and a Type-C1PD quick charging and data transmission interface; the voltage signal output end of the AD-to-DC control circuit is connected with the voltage signal input end of the first voltage reduction circuit; the voltage signal output end of the first voltage reduction circuit is connected with the voltage signal input end of the first PD quick charge controller; the first PD quick charging controller is electrically connected with the data transmission controller; and the data transmission controller is electrically connected with the Type-C1PD quick charging and data transmission interface.
Further, Type-C1 fills soon and charges and the data transmission process of data transmission module includes:
the voltage signal output by the AD-to-DC control circuit is subjected to voltage reduction regulation through the first voltage reduction circuit, and the voltage signal subjected to voltage reduction regulation is output through the first voltage reduction circuit;
the voltage signal after voltage reduction and adjustment is input to a first PD quick-charging controller, and Type-C1PD quick-charging and quick-charging output of a data transmission interface are carried out through the first PD quick-charging controller and a data transmission controller;
when the external equipment is connected to the Type-C1PD quick charging and data transmission interface, data communication is carried out between the external equipment and the external equipment through the data transmission controller;
and the data transmission controller respectively controls the HUB controllers in the USB-A and HUB modules and the signal transmission switching of the data conversion controller and the video/projection controller in the HUB module and the video transmission module.
Further, the Type-C2 quick charging module comprises a second voltage reducing circuit 3, a second PD quick charging controller, a Type-C2 PD quick charging interface and a microcontroller; the voltage signal output end of the AD-to-DC control circuit is connected with the voltage signal input end of the second voltage reduction circuit; the second voltage reduction circuit is electrically connected with the second PD quick charge controller; the second PD quick charging controller is electrically connected with the Type-C2 PD quick charging interface; and the second PD quick-charging controller is electrically connected with the data transmission controller in the Type-C1 quick-charging and data transmission module through a microcontroller.
Further, the operation process of Type-C2 quick charging module includes:
the voltage signal output by the AD-to-DC control circuit is subjected to voltage reduction regulation through a second voltage reduction circuit, and the voltage signal subjected to voltage reduction regulation is output through the second voltage reduction circuit;
the voltage signal after voltage reduction and adjustment is input to a second PD quick-charging controller, and quick-charging output of a Type-C2 PD quick-charging interface is carried out through the second PD quick-charging controller;
when the Type-C2 PD quick charging interface and the Type-C1PD quick charging and data transmission interface in the Type-C1 quick charging and data transmission module simultaneously perform charging actions, the microcontroller adjusts the second PD quick charging controller and the first PD quick charging controller in the ype-C1 quick charging and data transmission module according to the power demand of the equipment connected with the Type-C2 PD quick charging interface and the Type-C1PD quick charging and data transmission interface, and controls the second PD quick charging controller and the first PD quick charging controller to perform charging power distribution according to the power demand of the external charging equipment.
Furthermore, the USB-A and HUB module comprises a boost-buck circuit, a HUB controller and USB-A and HUB interfaces; the voltage signal input end of the voltage boosting circuit is electrically connected with a Type-C1PD quick charging and data transmission interface of the Type-C1 quick charging and data transmission module; the boost-buck circuit is electrically connected with the HUB controller; the HUB controller is electrically connected with the USB-A and the HUB interface; the HUB controller is respectively connected with the data transmission controller and the Type-C1PD in the Type-C1 quick charging and data transmission module and is electrically connected with the data transmission interface.
Further, the operation process of the USB-a and HUB module includes:
when the AC-DC conversion control circuit is powered off, the device is accessed through the Type-C1PD quick charge and data transmission interface, and the HUB controller is powered by the step-up and step-down circuit;
the HUB controller switches between data transmission and multi-port forwarded signal transmission under the control of the data transmission controller;
furthermore, the video transmission module comprises a third voltage reduction circuit, a data conversion controller, a video/projection controller and an HDMI (high-definition multimedia interface); the voltage signal input end of the third voltage reduction circuit is connected with the voltage signal output end of the voltage reduction circuit of the USB-A and HUB module; the third voltage reduction circuit is electrically connected with the data conversion controller and the video/projection controller respectively; the video/projection controller is electrically connected with the HDMI interface; the data conversion controller is respectively electrically connected with the video/projection controller, the HUB controllers in the USB-A and HUB modules, the data transmission controller in the Type-C1 quick charging and data transmission module, and the Type-C1PD quick charging and data transmission interface.
Further, the operation process of the HUB module and the video transmission module comprises:
when the AC-DC conversion control circuit is powered off, the third voltage reduction circuit is powered on through the voltage reduction circuit, and a voltage signal after voltage reduction adjustment is output through the third voltage reduction circuit 5;
the voltage signal which is output by the third voltage reduction circuit and subjected to voltage reduction adjustment is used for supplying power for the data conversion controller and the video/projection controller;
and controlling the data conversion controller to switch transmission signals by using the data transmission controller, and controlling video transmission of the video/projection controller by using the data conversion controller.
Further, take data transmission Type charger and be in when Type-C1 fills soon and data transmission module and Type-C2 fill the module and insert the battery charging outfit simultaneously, Type-C1 fills soon and data transmission module and Type-C2 fill the adjustment process of module charge multiplying power soon and include:
detecting the power demand of the charging equipment accessed by the Type-C1 quick charging and data transmission module and the Type-C2 quick charging module, and comparing the power demand of the charging equipment accessed by the Type-C1 quick charging and data transmission module and the Type-C2 quick charging module;
when the difference value that the electric quantity required by the charging equipment accessed by the Type-C1 quick charging and data transmission module is greater than the electric quantity difference threshold value is greater than the electric quantity required by the charging equipment accessed by the Type-C2 quick charging module, the charging multiplying power of the Type-C1 quick charging and data transmission module and the Type-C2 quick charging module is adjusted through the following formula:
Figure BDA0002823386130000041
wherein S is11Indicate when Type-C1 quick charging and charging equipment that data transmission module insertedWhen the difference value of the power demand of the charging equipment with the power demand larger than the power demand threshold value of the charging equipment with the power demand larger than the power demand of the Type-C2 quick charging module is larger than the power difference threshold value, the charging equipment with the power demand larger than the power demand threshold value of the charging equipment with the Type-C1 quick charging module and the data transmission module is connected with the charging equipment with the power demand larger than the power demand threshold value of the charging21When the difference value that the electric quantity required by the charging equipment accessed by the Type-C1 quick charging and data transmission module is greater than the electric quantity required by the charging equipment accessed by the Type-C2 quick charging module is greater than the electric quantity difference threshold value, the charging equipment accessed by the Type-C2 quick charging module has the charging multiplying power in the flow charging stage, and the C-charging multiplying powera1The nominal rated capacity of the battery of the charging equipment which is connected with the Type-C1 quick charging and data transmission module is represented; cb1The nominal rated capacity of the battery of the charging equipment connected with the Type-C2 quick charging module is represented; t is t1And t2Respectively representing the charging time lengths of the charging equipment accessed by the Type-C1 quick charging and data transmission module and the charging equipment accessed by the Type-C2 quick charging module in the charging process; Δ C represents a difference value that the electric quantity required by the charging equipment accessed by the Type-C1 quick charging and data transmission module is greater than the electric quantity required by the charging equipment accessed by the Type-C2 quick charging module; caThe demand quantity of the charging equipment which is connected with the Type-C1 quick charging and data transmission module is represented; cbThe power demand of the charging equipment accessed by the Type-C2 quick charging module is represented; alpha is alpha1When the difference value of the electric quantity demand of the charging equipment with the Type-C1 quick charge and the data transmission module access larger than the electric quantity demand threshold value of the charging equipment with the Type-C2 quick charge module access is larger than the electric quantity difference threshold value, the charging multiplying power adjustment coefficient of the charging equipment with the Type-C1 quick charge and the data transmission module access is represented, wherein alpha1The value range is 1.08-1.15; beta is a1When the difference value of the electric quantity demand of the charging equipment with the Type-C1 quick charging and data transmission module connected in and the electric quantity demand of the charging equipment with the Type-C2 quick charging module connected in is larger than the electric quantity difference threshold value, the charging multiplying factor of the charging equipment with the Type-C2 quick charging module connected in is shown, wherein the beta value is beta1The value range is 0.88-0.92;
when the difference value that the electric quantity required by the charging equipment accessed by the Type-C1 quick-charging and data transmission module is greater than the electric quantity required by the charging equipment accessed by the Type-C2 quick-charging module is less than the electric quantity difference threshold value, the charging multiplying power of the Type-C1 quick-charging and data transmission module and the Type-C2 quick-charging module is determined through the following formula:
Figure BDA0002823386130000051
wherein S is12When the difference value that the electric quantity required by the charging equipment accessed by the Type-C1 quick charging and data transmission module is larger than the electric quantity required by the charging equipment accessed by the Type-C2 quick charging module is smaller than the electric quantity difference threshold value, the charging multiplying power required by the charging equipment accessed by the Type-C1 quick charging and data transmission module in the charging stage is S22When the difference value that the electric quantity required by the charging equipment accessed by the Type-C1 quick charging and data transmission module is greater than the electric quantity required by the charging equipment accessed by the Type-C2 quick charging module is smaller than the electric quantity difference threshold value, the charging equipment accessed by the Type-C2 quick charging module is charged at the charging rate of the flow charging stage, and the charging rate is Ca1The nominal rated capacity of the battery of the charging equipment which is connected with the Type-C1 quick charging and data transmission module is represented; cb1The nominal rated capacity of the battery of the charging equipment connected with the Type-C2 quick charging module is represented; t is t1And t2Respectively representing the charging time lengths of the charging equipment accessed by the Type-C1 quick charging and data transmission module and the charging equipment accessed by the Type-C2 quick charging module in the charging process; Δ C represents a difference value that the electric quantity required by the charging equipment accessed by the Type-C1 quick charging and data transmission module is greater than the electric quantity required by the charging equipment accessed by the Type-C2 quick charging module; caThe demand quantity of the charging equipment which is connected with the Type-C1 quick charging and data transmission module is represented; cbThe power demand of the charging equipment accessed by the Type-C2 quick charging module is represented; alpha is alpha2When the difference value of the electric quantity demand of the charging equipment with the Type-C1 quick charge and the data transmission module access larger than the electric quantity demand of the charging equipment with the Type-C2 quick charge module access is smaller than the electric quantity difference threshold value, the charging multiplying power adjustment coefficient of the charging equipment with the Type-C1 quick charge and the data transmission module access is represented, wherein alpha2The value range is 1.02-1.07; beta is a2Show when charging equipment that Type-C1 fills soon and data transmission module insertsWhen the difference value of the power demand of the charging equipment with the power demand larger than the power demand of the charging equipment with the Type-C2 quick-charging module access is smaller than the power difference threshold value, the charging multiplying power adjusting coefficient of the charging equipment with the Type-C2 quick-charging module access is adjusted, wherein the multiplying power adjusting coefficient of the charging equipment with the Type-C2 quick-charging module access is beta2The value range is 0.93-0.97;
when the difference value that the electric quantity required by the charging equipment accessed by the Type-C1 quick-charging and data transmission module is less than the electric quantity required by the charging equipment accessed by the Type-C2 quick-charging module is greater than the electric quantity difference threshold value, the charging multiplying power of the Type-C1 quick-charging and data transmission module and the Type-C2 quick-charging module is determined through the following formula:
Figure BDA0002823386130000061
wherein S is13When the difference value that the electric quantity required by the charging equipment accessed by the Type-C1 quick charging and data transmission module is smaller than the electric quantity required by the charging equipment accessed by the Type-C2 quick charging module is larger than the electric quantity difference threshold value, the charging multiplying power required by the charging equipment accessed by the Type-C1 quick charging and data transmission module in the charging stage is S23When the difference value that the electric quantity required by the charging equipment accessed by the Type-C1 quick charging and data transmission module is smaller than the electric quantity required by the charging equipment accessed by the Type-C2 quick charging module is larger than the electric quantity difference threshold value, the charging rate of the charging equipment accessed by the Type-C2 quick charging module in the flow charging stage, namely the charging rate of the charging equipment accessed by the Type-C2 quick charging module in the flow charging stage, is larger than the electric quantity difference threshold valuea1The nominal rated capacity of the battery of the charging equipment which is connected with the Type-C1 quick charging and data transmission module is represented; cb1The nominal rated capacity of the battery of the charging equipment connected with the Type-C2 quick charging module is represented; t is t1And t2The charging duration of the charging equipment accessed by the Type-C1 quick charging and data transmission module and the charging equipment accessed by the Type-C2 quick charging module in the charging process are respectively represented; the delta C represents a difference value that the electric quantity required by the charging equipment accessed by the Type-C1 quick charging and data transmission module is greater than the electric quantity required by the charging equipment accessed by the Type-C2 quick charging module; caThe required electric quantity of the charging equipment which is connected with the Type-C1 quick charging and data transmission module is represented; cbShow charging of Type-C2 quick-charging module accessThe power demand of the device; alpha is alpha1When the difference value that the electric quantity required by the charging equipment accessed by the Type-C1 quick charging and data transmission module is smaller than the electric quantity required by the charging equipment accessed by the Type-C2 quick charging module is larger than the electric quantity difference threshold value, the charging multiplying factor adjusting coefficient of the charging equipment accessed by the Type-C1 quick charging and data transmission module is shown, wherein alpha3The value range is 0.91-0.96; beta is a3When the difference value of the required electric quantity of the charging equipment accessed by the Type-C1 quick charging and data transmission module is smaller than the required electric quantity of the charging equipment accessed by the Type-C2 quick charging module is larger than the electric quantity difference threshold value, the charging multiplying factor of the charging equipment accessed by the Type-C2 quick charging module is adjusted, wherein the multiplying factor of the charging multiplying factor is beta3The value range is 1.09-1.14;
when the difference value that the electric quantity required by the charging equipment accessed by the Type-C1 quick-charging and data transmission module is less than the electric quantity difference threshold value is less than the electric quantity required by the charging equipment accessed by the Type-C2 quick-charging module, the charging multiplying power of the Type-C1 quick-charging and data transmission module and the Type-C2 quick-charging module is determined through the following formula:
Figure BDA0002823386130000071
wherein S is14When the difference value that the electric quantity required by the charging equipment accessed by the Type-C1 quick charging and data transmission module is smaller than the electric quantity required by the charging equipment accessed by the Type-C2 quick charging module is larger than the electric quantity difference threshold value, the charging multiplying power required by the charging equipment accessed by the Type-C1 quick charging and data transmission module in the charging stage is S24When the difference value that the electric quantity required by the charging equipment accessed by the Type-C1 quick charging and data transmission module is smaller than the electric quantity required by the charging equipment accessed by the Type-C2 quick charging module is larger than the electric quantity difference threshold value, the charging equipment accessed by the Type-C2 quick charging module has the charging multiplying power in the flow charging stage, namely the C multiplying powera1The nominal rated capacity of the battery of the charging equipment which is connected with the Type-C1 quick charging and data transmission module is represented; cb1The nominal rated capacity of the battery of the charging equipment connected with the Type-C2 quick charging module is represented; t is t1And t2Respectively represent the TyCharging duration of charging equipment accessed by the pe-C1 quick charging and data transmission module and charging equipment accessed by the Type-C2 quick charging module in the charging process; Δ C represents a difference value that the electric quantity required by the charging equipment accessed by the Type-C1 quick charging and data transmission module is greater than the electric quantity required by the charging equipment accessed by the Type-C2 quick charging module; caThe demand quantity of the charging equipment which is connected with the Type-C1 quick charging and data transmission module is represented; cbThe power demand of the charging equipment accessed by the Type-C2 quick charging module is represented; alpha is alpha1When the difference value that the electric quantity required by the charging equipment accessed by the Type-C1 quick charging and data transmission module is smaller than the electric quantity required by the charging equipment accessed by the Type-C2 quick charging module is larger than the electric quantity difference threshold value, the charging multiplying factor of the charging equipment accessed by the Type-C1 quick charging and data transmission module is adjusted, wherein alpha4The value range is 0.93-0.98; beta is a4When the difference value that the electric quantity required by the charging equipment accessed by the Type-C1 quick charging and data transmission module is smaller than the electric quantity required by the charging equipment accessed by the Type-C2 quick charging module is larger than the electric quantity difference threshold value, the charging multiplying factor of the charging equipment accessed by the Type-C2 quick charging module is adjusted, wherein the beta value is beta4The value range is 1.05-1.12.
The invention has the beneficial effects that:
the invention provides a charger with data transmission, in particular to an integrated charger of AC/DC PD quick charging and DC/DC HUB HDMI, wherein an AC-to-DC control circuit provides independent power supply requirements for each output interface controller through a voltage reduction circuit, a microcontroller distributes charging power distribution of a TYPE C1 TYPE C2 USB-A HUB interface, and meanwhile, a data transmission controller and a data conversion controller are communicated with each other to realize simultaneous charging of equipment and data reading and video transmission; when AC changes DC controller outage, TYPE C1 interface access equipment is supplied power for the HUB controller by step-up and step-down circuit, and the low current step-down circuit is given in the step-up and step-down circuit power supply simultaneously, is supplied power for data switching controller and video/projection controller by the low current step-down circuit, realizes that data transmission video transmission can normal use after the AC outage.
The charger with the data transmission function has the multifunctional characteristics that the charger with the data transmission function has multi-port output, can charge equipment, and can simultaneously perform data transmission and video projection; simultaneously, accomplish intelligent power distribution through TYPE C1 and TYPE C2 interface collocation microcontroller, can realize charging power and adjust according to battery charging outfit's the condition difference in the multi-equipment charging process, realize high efficiency quick charge. On the other hand, when video projection is carried out, if an AC power supply is suddenly cut off, the charger disclosed by the invention can still be normally used after data switching processing is carried out on the charger through the USB-A and HUB module and the data conversion controller, so that the power supply capacity of the charger and the operation stability of video data transmission are improved.
Drawings
FIG. 1 is a functional block diagram of a charger according to the present invention;
FIG. 2 is a schematic circuit diagram of a data transmission controller according to the present invention;
FIG. 3 is a schematic circuit diagram of the TYPE C1PD charging + data transmission interface according to the present invention;
fig. 4 is a schematic circuit structure diagram of the first PD fast charging controller according to the present invention;
FIG. 5 is a schematic circuit diagram of a second PD fast charge controller according to the present invention
FIG. 6 is a schematic circuit structure diagram of a Type-C2 PD quick charging interface according to the present invention;
FIG. 7 is a schematic circuit diagram of the USB-A and HUB interfaces according to the present invention;
FIG. 8 is a schematic circuit diagram of a data conversion controller according to the present invention;
FIG. 9 is a schematic circuit diagram of a video/projection controller according to the present invention;
fig. 10 is a first schematic circuit diagram of the HDMI interface according to the present invention;
fig. 11 is a circuit configuration diagram of the HDMI interface according to the present invention;
FIG. 12 is a schematic diagram of a circuit configuration of a microcontroller according to the present invention;
(1, AD-to-DC control circuit; 2, first voltage reduction circuit; 3, second voltage reduction circuit; 4, voltage reduction circuit; 5, third voltage reduction circuit; 6, first PD fast-charging controller; 7, data transmission controller; 8, Type-C1PD fast-charging and data transmission interface; 9, microcontroller; 10, second PD fast-charging controller; 11, Type-C2 PD fast-charging interface; 12, HUB controller; 13, USB-A and HUB interface; 14, data conversion controller; 15, video/projection controller; 16, HDMI interface).
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
The invention provides a charger with data transmission, as shown in fig. 1 to 12, the charger with data transmission comprises an AD-to-DC control circuit 1, a Type-C1 quick charging and data transmission module, a Type-C2 quick charging module, a USB-A and HUB module and a video transmission module; the AD-to-DC conversion control circuit is respectively connected with the Type-C1 quick charging and data transmission module and the Type-C2 quick charging module; the Type-C1 quick charging and data transmission module is electrically connected with the Type-C2 quick charging module, the USB-A and HUB module and the video transmission module; and the USB-A and HUB modules are electrically connected with the video transmission module.
The Type-C1 quick charging and data transmission module comprises a first voltage reduction circuit 2, a first PD quick charging controller 6, a data transmission controller 7 and a Type-C1PD quick charging and data transmission interface 8; the voltage signal output end of the AD-to-DC control circuit 1 is connected with the voltage signal input end of the first voltage reduction circuit 2; the voltage signal output end of the first voltage reduction circuit 2 is connected with the voltage signal input end of the first PD quick charge controller 6; the first PD quick charging controller 6 is electrically connected with the data transmission controller 7; and the data transmission controller 7 is electrically connected with the Type-C1PD quick charging and data transmission interface 8.
The Type-C2 quick charging module comprises a second voltage reduction circuit 3, a second PD quick charging controller 10, a Type-C2 PD quick charging interface 11 and a microcontroller 9; the voltage signal output end of the AD-to-DC control circuit 1 is connected with the voltage signal input end of the second voltage reduction circuit 3; the second voltage reduction circuit 3 is electrically connected with the second PD fast charging controller 10; the second PD quick-charging controller 10 is electrically connected with the Type-C2 PD quick-charging interface 11; the second PD quick-charging controller 10 is electrically connected with the data transmission controller 7 in the Type-C1 quick-charging and data transmission module through a microcontroller 9.
The USB-A and HUB module comprises a buck-boost circuit 4, a HUB controller 12 and a USB-A and HUB interface 13; the voltage signal input end of the voltage boosting and reducing circuit 4 is electrically connected with the Type-C1PD quick charging and data transmission interface 8 of the Type-C1 quick charging and data transmission module; the buck-boost circuit 4 is electrically connected with the HUB controller 12; the HUB controller 12 is electrically connected with the USB-a and the HUB interface 13; HUB controller 12 still respectively with data transmission controller 7 and Type-C1PD in the Type-C1 fast charge and data transmission module fill and data transmission interface 8 electric connection soon.
The video transmission module comprises a third voltage reduction circuit 5, a data conversion controller 14, a video/projection controller 15 and an HDMI (high-definition multimedia interface) 16; the voltage signal input end of the third voltage reduction circuit 5 is connected with the voltage signal output end of the voltage reduction circuit 4 of the USB-A and HUB module; the third voltage reduction circuit 5 is electrically connected with the data conversion controller 14 and the video/projection controller 15 respectively; the video/projection controller 15 is electrically connected with the HDMI interface 16; the data conversion controller 14 is electrically connected with the video/projection controller 15, the HUB controller 12 in the USB-a and HUB modules, the data transmission controller 7 in the Type-C1 fast charging and data transmission module, and the Type-C1PD fast charging and data transmission interface 8 respectively.
The working principle of the technical scheme is as follows: the AC-to-DC control circuit provides independent power supply requirements for each output interface controller through the voltage reduction circuit, the microcontroller distributes charging power of the Type-C1PD quick charging and data transmission interface 8 and the Type-C2 PD quick charging interface 11, meanwhile, the data transmission controller and the data conversion controller are communicated with each other to realize the multifunctional charger which can charge the equipment and can read data and transmit video at the same time, then, when the AC-DC converter controller is powered off, the Type-C1PD quick charging and data transmission interface 8 access device is powered by the boost-buck circuit to the HUB controller, meanwhile, the voltage rising and dropping circuit supplies power to the low-current voltage dropping circuit, and the low-current voltage dropping circuit supplies power to the data switching controller and the video/projection controller, so that data transmission video transmission can be normally used after AC power failure.
The effect of the above technical scheme is as follows: the multifunctional digital video projector has the characteristics of multi-port output, namely charging of equipment and simultaneous data transmission and video projection; simultaneously, accomplish intelligent power distribution through TYPE C1 and TYPE C2 interface collocation microcontroller, can realize charging power and adjust according to battery charging outfit's the condition difference in the multi-device charging process, realize high efficiency quick charge. On the other hand, when video projection is carried out, if an AC power supply is suddenly cut off, the charger disclosed by the invention can still be normally used after data switching processing is carried out through the USB-A and HUB module and the data conversion controller, so that the power supply capacity of the charger and the operation stability of video data transmission are improved.
In an embodiment of the present invention, the charging and data transmission process of the Type-C1 quick charging and data transmission module includes:
s101, outputting a voltage signal through the AD-to-DC control circuit 1, performing voltage reduction regulation through the first voltage reduction circuit 2, and outputting a voltage signal after voltage reduction regulation through the first voltage reduction circuit 2;
s102, inputting the voltage signal after voltage reduction and adjustment to the first PD fast charging controller 6, and performing Type-C1PD fast charging and fast charging output of the data transmission interface 8 through the first PD fast charging controller 6 and the data transmission controller 7;
s103, when the external equipment is connected to the Type-C1PD quick charging and data transmission interface 8, data communication is carried out between the external equipment and the external equipment through the data transmission controller 7;
s104, the data transmission controller 7 controls the signal transmission switching of the HUB controller 12 in the USB-A and HUB modules, and the data conversion controller 14 and the video/projection controller 15 in the HUB module and the video transmission module, respectively.
The operation process of Type-C2 quick charging module includes:
s201, outputting a voltage signal through the AD-to-DC control circuit 1, performing voltage reduction regulation through the second voltage reduction circuit 3, and outputting a voltage signal after voltage reduction regulation through the second voltage reduction circuit 3;
s202, inputting the voltage signal after voltage reduction and adjustment to a second PD quick-charging controller 10, and performing quick-charging output of a Type-C2 PD quick-charging interface 11 through the second PD quick-charging controller 10;
s203, when the Type-C2 PD quick charging interface 11 and the Type-C1PD quick charging and data transmission interface 8 in the Type-C1 quick charging and data transmission module simultaneously perform charging actions, the microcontroller 9 adjusts the second PD quick charging controller 10 and the first PD quick charging controller 6 in the ype-C1 quick charging and data transmission module according to the power demand of the device connected with the Type-C2 PD quick charging interface 11 and the Type-C1PD quick charging and data transmission interface 8, and controls the second PD quick charging controller 10 and the first PD quick charging controller 6 to perform charging power distribution according to the power demand of the external charging device.
The operation process of the USB-A and HUB module comprises the following steps:
s301, when the AC-to-DC control circuit is powered off, accessing equipment through the Type-C1PD quick charging and data transmission interface 8, and supplying power to the HUB controller 12 by using the buck-boost circuit 4;
s302, the HUB controller 12 performs signal transmission switching between data transmission and multi-port forwarding through the control of the data transmission controller 7;
HUB module and video transmission module's operation process includes:
s401, when the AC-DC conversion control circuit is powered off, the third voltage reduction circuit 5 is powered through the voltage reduction circuit 4, and a voltage signal after voltage reduction adjustment is output through the third voltage reduction circuit 5;
s402, supplying power to the data conversion controller 14 and the video/projection controller 15 by the voltage signal which is output by the third voltage reduction circuit 5 and subjected to voltage reduction adjustment;
s403, controlling the data conversion controller 14 to switch transmission signals by using the data transmission controller 7, and performing video transmission control on the video/projection controller 15 by using the data conversion controller 14.
The effect of the above technical scheme is as follows: accomplish intelligent power distribution through TYPE C1 and TYPE C2 interface collocation microcontroller, can be different according to battery charging outfit's the condition in the multi-equipment charging process, realize charging power and adjust, realize that high efficiency charges fast. Meanwhile, the multifunctional operation of charging and data transmission is realized in a mode of switching transmission signals by the data transmission controller. On the other hand, when video projection is carried out, if an AC power supply is suddenly cut off, the charger disclosed by the invention can still be normally used after data switching processing is carried out through the USB-A and HUB module and the data conversion controller, so that the power supply capacity of the charger and the operation stability of video data transmission are improved.
In an embodiment of the present invention, when the Type-C1 fast charging and data transmission module and the Type-C2 fast charging module of the charger with data transmission are connected to the charging device at the same time, the adjusting process of the charging rate of the Type-C1 fast charging and data transmission module and the Type-C2 fast charging module includes:
detecting the power demand of the charging equipment accessed by the Type-C1 quick charging and data transmission module and the Type-C2 quick charging module, and comparing the power demand of the charging equipment accessed by the Type-C1 quick charging and data transmission module and the Type-C2 quick charging module;
when the difference value that the electric quantity required by the charging equipment accessed by the Type-C1 quick charging and data transmission module is greater than the electric quantity difference threshold value is greater than the electric quantity required by the charging equipment accessed by the Type-C2 quick charging module, the charging multiplying power of the Type-C1 quick charging and data transmission module and the Type-C2 quick charging module is adjusted through the following formula:
Figure BDA0002823386130000131
wherein S is11When the difference value of the electric quantity required by the charging equipment with the Type-C1 quick charging function and the data transmission module connected to the charging equipment with the electric quantity required by the charging equipment with the Type-C2 quick charging function is larger than the electric quantity difference threshold value, the Type-C1 quick charging function and the data transmission module connected to the charging equipment with the Type-C1 quick charging functionCharging multiplying factor, S, required by the device during the charging phase21When the difference value of the electric quantity demand of the charging equipment accessed by the Type-C1 quick charging and data transmission module and the electric quantity demand of the charging equipment accessed by the Type-C2 quick charging module is larger than the electric quantity difference threshold value, the charging equipment accessed by the Type-C2 quick charging module is charged with the rate of charge in the flow charging stage, namely Ca1The nominal rated capacity of the battery of the charging equipment which is connected with the Type-C1 quick charging and data transmission module is represented; cb1The nominal rated capacity of the battery of the charging equipment connected with the Type-C2 quick charging module is represented; t is t1And t2The charging duration of the charging equipment accessed by the Type-C1 quick charging and data transmission module and the charging equipment accessed by the Type-C2 quick charging module in the charging process are respectively represented; the delta C represents a difference value that the electric quantity required by the charging equipment accessed by the Type-C1 quick charging and data transmission module is greater than the electric quantity required by the charging equipment accessed by the Type-C2 quick charging module; caThe required electric quantity of the charging equipment which is connected with the Type-C1 quick charging and data transmission module is represented; cbThe power demand of the charging equipment accessed by the Type-C2 quick charging module is represented; alpha is alpha1When the difference value of the electric quantity demand of the charging equipment with the Type-C1 quick charge and the data transmission module access larger than the electric quantity demand threshold value of the charging equipment with the Type-C2 quick charge module access is larger than the electric quantity difference threshold value, the charging multiplying power adjusting coefficient of the charging equipment with the Type-C1 quick charge and the data transmission module access is represented, wherein alpha1The value range is 1.08-1.15; beta is a1When the difference value of the required electric quantity of the charging equipment with the Type-C1 quick charging and data transmission module access larger than the required electric quantity of the charging equipment with the Type-C2 quick charging module access is larger than the electric quantity difference threshold value, the charging multiplying power adjusting coefficient of the charging equipment with the Type-C2 quick charging module access is shown, wherein the beta value is beta1The value range is 0.88-0.92;
when the difference value that the electric quantity required by the charging equipment accessed by the Type-C1 quick-charging and data transmission module is greater than the electric quantity required by the charging equipment accessed by the Type-C2 quick-charging module is less than the electric quantity difference threshold value, the charging multiplying power of the Type-C1 quick-charging and data transmission module and the Type-C2 quick-charging module is determined through the following formula:
Figure BDA0002823386130000141
wherein S is12When the difference value that the electric quantity required by the charging equipment accessed by the Type-C1 quick charging and data transmission module is larger than the electric quantity required by the charging equipment accessed by the Type-C2 quick charging module is smaller than the electric quantity difference threshold value, the charging multiplying power required by the charging equipment accessed by the Type-C1 quick charging and data transmission module in the charging stage is S22When the difference value that the electric quantity required by the charging equipment accessed by the Type-C1 quick charging and data transmission module is greater than the electric quantity required by the charging equipment accessed by the Type-C2 quick charging module is smaller than the electric quantity difference threshold value, the charging equipment accessed by the Type-C2 quick charging module is charged at the charging rate of the flow charging stage, and the charging rate is Ca1The nominal rated capacity of the battery of the charging equipment which is connected with the Type-C1 quick charging and data transmission module is represented; cb1The nominal rated capacity of the battery of the charging equipment connected with the Type-C2 quick charging module is represented; t is t1And t2Respectively representing the charging time lengths of the charging equipment accessed by the Type-C1 quick charging and data transmission module and the charging equipment accessed by the Type-C2 quick charging module in the charging process; Δ C represents a difference value that the electric quantity required by the charging equipment accessed by the Type-C1 quick charging and data transmission module is greater than the electric quantity required by the charging equipment accessed by the Type-C2 quick charging module; caThe demand quantity of the charging equipment which is connected with the Type-C1 quick charging and data transmission module is represented; cbThe power demand of the charging equipment accessed by the Type-C2 quick charging module is represented; alpha is alpha2When the difference value of the electric quantity demand of the charging equipment with the Type-C1 quick charge and the data transmission module access larger than the electric quantity demand of the charging equipment with the Type-C2 quick charge module access is smaller than the electric quantity difference threshold value, the charging multiplying power adjustment coefficient of the charging equipment with the Type-C1 quick charge and the data transmission module access is represented, wherein alpha2The value range is 1.02-1.07; beta is a2When the difference value of the electric quantity demand of the charging equipment with the Type-C1 quick charging and data transmission module connected in and the electric quantity demand of the charging equipment with the Type-C2 quick charging module connected in is smaller than the electric quantity difference threshold value, the charging multiplying power of the charging equipment with the Type-C2 quick charging module connected in is representedAdjusting coefficient of which beta2The value range is 0.93-0.97;
when the difference value that the electric quantity required by the charging equipment accessed by the Type-C1 quick-charging and data transmission module is less than the electric quantity required by the charging equipment accessed by the Type-C2 quick-charging module is greater than the electric quantity difference threshold value, the charging multiplying power of the Type-C1 quick-charging and data transmission module and the Type-C2 quick-charging module is determined through the following formula:
Figure BDA0002823386130000151
wherein S is13When the difference value that the electric quantity required by the charging equipment accessed by the Type-C1 quick charging and data transmission module is smaller than the electric quantity required by the charging equipment accessed by the Type-C2 quick charging module is larger than the electric quantity difference threshold value, the charging multiplying power required by the charging equipment accessed by the Type-C1 quick charging and data transmission module in the charging stage is S23When the difference value that the electric quantity required by the charging equipment accessed by the Type-C1 quick charging and data transmission module is smaller than the electric quantity required by the charging equipment accessed by the Type-C2 quick charging module is larger than the electric quantity difference threshold value, the charging rate of the charging equipment accessed by the Type-C2 quick charging module in the flow charging stage, namely the charging rate of the charging equipment accessed by the Type-C2 quick charging module in the flow charging stage, is larger than the electric quantity difference threshold valuea1The nominal rated capacity of the battery of the charging equipment which is connected with the Type-C1 quick charging and data transmission module is represented; cb1The nominal rated capacity of the battery of the charging equipment connected with the Type-C2 quick charging module is represented; t is t1And t2The charging duration of the charging equipment accessed by the Type-C1 quick charging and data transmission module and the charging equipment accessed by the Type-C2 quick charging module in the charging process are respectively represented; the delta C represents a difference value that the electric quantity required by the charging equipment accessed by the Type-C1 quick charging and data transmission module is greater than the electric quantity required by the charging equipment accessed by the Type-C2 quick charging module; caThe required electric quantity of the charging equipment which is connected with the Type-C1 quick charging and data transmission module is represented; cbThe power demand of the charging equipment accessed by the Type-C2 quick charging module is represented; alpha is alpha1Show that the demand capacity of the charging equipment that the Type-C1 quick charging and data transmission module access is less than the demand capacity of the charging equipment that the Type-C2 quick charging module accessWhen the difference value is greater than the electric quantity difference threshold value, the charging equipment charging multiplying power adjustment coefficient of the Type-C1 quick-charging and data transmission module access, wherein, alpha3The value range is 0.91-0.96; beta is a3When the difference value of the required electric quantity of the charging equipment accessed by the Type-C1 quick charging and data transmission module is smaller than the required electric quantity of the charging equipment accessed by the Type-C2 quick charging module is larger than the electric quantity difference threshold value, the charging multiplying factor of the charging equipment accessed by the Type-C2 quick charging module is adjusted, wherein the multiplying factor of the charging multiplying factor is beta3The value range is 1.09-1.14;
when the difference value that the electric quantity required by the charging equipment accessed by the Type-C1 quick-charging and data transmission module is less than the electric quantity difference threshold value is less than the electric quantity required by the charging equipment accessed by the Type-C2 quick-charging module, the charging multiplying power of the Type-C1 quick-charging and data transmission module and the Type-C2 quick-charging module is determined through the following formula:
Figure BDA0002823386130000161
wherein S is14When the difference value that the electric quantity required by the charging equipment accessed by the Type-C1 quick charging and data transmission module is smaller than the electric quantity required by the charging equipment accessed by the Type-C2 quick charging module is larger than the electric quantity difference threshold value, the charging multiplying power required by the charging equipment accessed by the Type-C1 quick charging and data transmission module in the charging stage is S24When the difference value that the electric quantity required by the charging equipment accessed by the Type-C1 quick charging and data transmission module is smaller than the electric quantity required by the charging equipment accessed by the Type-C2 quick charging module is larger than the electric quantity difference threshold value, the charging equipment accessed by the Type-C2 quick charging module has the charging multiplying power in the flow charging stage, namely the C multiplying powera1The nominal rated capacity of the battery of the charging equipment which is connected with the Type-C1 quick charging and data transmission module is represented; cb1The nominal rated capacity of the battery of the charging equipment connected with the Type-C2 quick charging module is represented; t is t1And t2The charging duration of the charging equipment accessed by the Type-C1 quick charging and data transmission module and the charging equipment accessed by the Type-C2 quick charging module in the charging process are respectively represented; delta C represents the Type-C1 quick charge and dataThe difference value of the electric quantity demand of the charging equipment accessed by the transmission module is larger than that of the charging equipment accessed by the Type-C2 quick charging module; caThe demand quantity of the charging equipment which is connected with the Type-C1 quick charging and data transmission module is represented; cbThe power demand of the charging equipment accessed by the Type-C2 quick charging module is represented; alpha is alpha1When the difference value of the electric quantity required by the charging equipment accessed by the Type-C1 quick charging and data transmission module is smaller than the electric quantity required by the charging equipment accessed by the Type-C2 quick charging module and is larger than the electric quantity difference threshold value, the charging multiplying factor adjusting coefficient of the charging equipment accessed by the Type-C1 quick charging and data transmission module is shown, wherein alpha4The value range is 0.93-0.98; beta is a4When the difference value that the electric quantity required by the charging equipment accessed by the Type-C1 quick charging and data transmission module is smaller than the electric quantity required by the charging equipment accessed by the Type-C2 quick charging module is larger than the electric quantity difference threshold value, the charging multiplying factor of the charging equipment accessed by the Type-C2 quick charging module is adjusted, wherein the beta value is beta4The value range is 1.05-1.12.
The working principle of the technical scheme is as follows: according to the big relation between the difference value between the power demand of the charging equipment accessed by the Type-C1 quick charging and data transmission module and the power demand of the charging equipment accessed by the Type-C2 quick charging module and the power difference threshold value, the nominal rated capacity of the battery of the charging equipment, the nominal rated capacity of the battery of the accessed charging equipment and the t1And t2And adjusting the charging multiplying power by factors such as charging time of the charging equipment which is respectively connected in the charging process and the like.
The effect of the above technical scheme is as follows: through the adjustment of the charging multiplying power, the charging efficiency of a plurality of charging devices in the charging process can be effectively improved, the balance of the charging speed among the charging devices is effectively improved, and the problem of unbalanced charging efficiency caused by the fact that the charging speed difference of the charging devices is too large is avoided. Meanwhile, according to different conditions of the power demand of the charging equipment, the charging multiplying power is adjusted by using the corresponding formulas, so that the charging multiplying power can be adjusted in real time according to the conditions of the power demand of the equipment, the specific charging time and the like in the charging process of the charging equipment, the adjusting efficiency of the charging multiplying power is improved, meanwhile, the matching performance of the charging multiplying power corresponding to each charging equipment and the actual specific charging condition is improved, each charging equipment is provided with more reasonable charging multiplying power, and the problem that the charging efficiency is reduced or the charging time is prolonged relatively due to the fact that the charging multiplying power is not matched with the charging equipment is solved.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (10)

1. A charger with data transmission is characterized by comprising an AD-to-DC control circuit (1), a Type-C1 quick charging and data transmission module, a Type-C2 quick charging module, a USB-A and HUB module and a video transmission module; the AD-to-DC conversion control circuit is respectively connected with the Type-C1 quick charging and data transmission module and the Type-C2 quick charging module; the Type-C1 quick charging and data transmission module is electrically connected with the Type-C2 quick charging module, the USB-A and HUB module and the video transmission module; and the USB-A and HUB modules are electrically connected with the video transmission module.
2. The charger with data transmission according to claim 1, wherein the Type-C1 fast charging and data transmission module comprises a first voltage reduction circuit (2), a first PD fast charging controller (6), a data transmission controller (7) and a Type-C1PD fast charging and data transmission interface (8); the voltage signal output end of the AD-to-DC control circuit (1) is connected with the voltage signal input end of the first voltage reduction circuit (2); the voltage signal output end of the first voltage reduction circuit (2) is connected with the voltage signal input end of the first PD quick charge controller (6); the first PD quick charging controller (6) is electrically connected with the data transmission controller (7); and the data transmission controller (7) is electrically connected with the Type-C1PD quick charging and data transmission interface (8).
3. The charger according to claim 1 or 2, wherein the charging and data transmission process of the Type-C1 quick charging and data transmission module comprises:
voltage signals output by the AD-to-DC control circuit (1) are subjected to voltage reduction regulation through the first voltage reduction circuit (2), and voltage signals subjected to voltage reduction regulation are output through the first voltage reduction circuit (2);
the voltage signal after voltage reduction and adjustment is input to a first PD quick-charging controller (6), and Type-C1PD quick-charging and quick-charging output of a data transmission interface (8) are carried out through the first PD quick-charging controller (6) and a data transmission controller (7);
when the external equipment is connected to the Type-C1PD quick charging and data transmission interface (8), data communication is carried out between the external equipment and the external equipment through the data transmission controller (7);
and the data transmission controller (7) respectively controls the signal transmission switching of the HUB controller (12) in the USB-A and HUB modules and the data conversion controller (14) and the video/projection controller (15) in the HUB module and the video transmission module.
4. The charger with data transmission according to claim 1, wherein the Type-C2 fast charging module comprises a second voltage reduction circuit (3), a second PD fast charging controller (10), a Type-C2 PD fast charging interface (11) and a microcontroller (9); the voltage signal output end of the AD-to-DC control circuit (1) is connected with the voltage signal input end of the second voltage reduction circuit (3); the second voltage reduction circuit (3) is electrically connected with the second PD quick charge controller (10); the second PD quick-charging controller (10) is electrically connected with the Type-C2 PD quick-charging interface (11); and the second PD quick-charging controller (10) is electrically connected with a data transmission controller (7) in the Type-C1 quick-charging and data transmission module through a microcontroller (9).
5. The charger according to claim 1 or 4, wherein the Type-C2 quick charging module comprises:
voltage signals output by the AD-to-DC control circuit (1) are subjected to voltage reduction regulation through the second voltage reduction circuit (3), and voltage signals subjected to voltage reduction regulation are output through the second voltage reduction circuit (3);
the voltage signal after voltage reduction and adjustment is input to a second PD quick-charging controller (10), and quick-charging output of a Type-C2 PD quick-charging interface (11) is carried out through the second PD quick-charging controller (10);
when the Type-C2 PD quick charging interface (11) and the Type-C1PD quick charging and data transmission interface (8) in the Type-C1 quick charging and data transmission module perform charging actions simultaneously, the microcontroller (9) adjusts the second PD quick charging controller (10) and the first PD quick charging controller (6) in the ype-C1 quick charging and data transmission module according to the power demand of the device connected with the Type-C2 PD quick charging interface (11) and the Type-C1PD quick charging and data transmission interface (8), and controls the second PD quick charging controller (10) and the first PD quick charging controller (6) to perform charging power distribution according to the power demand of an external charging device.
6. The charger with data transmission according to claim 1, wherein the USB-a and HUB module comprises a boost-buck circuit (4), a HUB controller (12), and a USB-a and HUB interface (13); the voltage signal input end of the voltage-boosting circuit (4) is electrically connected with the Type-C1PD quick charging and data transmission interface (8) of the Type-C1 quick charging and data transmission module; the boost-buck circuit (4) is electrically connected with the HUB controller (12); the HUB controller (12) is electrically connected with the USB-A and the HUB interface (13); HUB controller (12) still respectively with data transmission controller (7) and Type-C1PD in Type-C1 fills soon and the data transmission module fill soon and data transmission interface (8) are connected.
7. The charger according to claim 1 or 6, wherein the USB-A and HUB module operates by:
when the AC-DC conversion control circuit is powered off, the device is accessed through the Type-C1PD quick charging and data transmission interface (8), and the HUB controller (12) is powered by the boost circuit (4);
the HUB controller (12) performs data transmission and multi-port forwarding signal transmission switching through the control of the data transmission controller (7).
8. The charger with data transmission according to claim 1, wherein the video transmission module comprises a third voltage reduction circuit (5), a data conversion controller (14), a video/projection controller (15) and an HDMI interface (16); the voltage signal input end of the third voltage reduction circuit (5) is connected with the voltage signal output end of the voltage reduction circuit (4) of the USB-A and HUB module; the third voltage reduction circuit (5) is respectively and electrically connected with the data conversion controller (14) and the video/projection controller (15); the video/projection controller (15) is electrically connected with the HDMI (16); the data conversion controller (14) is respectively electrically connected with the video/projection controller (15), the HUB controller (12) in the USB-A and HUB modules, the data transmission controller (7) in the Type-C1 quick charging and data transmission module, and the Type-C1PD quick charging and data transmission interface (8).
9. The charger according to claim 1 or 8, wherein the HUB module and the video transmission module operate by:
when the AC-DC conversion control circuit is powered off, the third voltage reduction circuit (5) is powered through the voltage reduction circuit (4), and voltage signals after voltage reduction adjustment are output through the third voltage reduction circuit (5);
the voltage signal which is output by the third voltage reduction circuit (5) and subjected to voltage reduction adjustment is used for supplying power to the data conversion controller (14) and the video/projection controller (15);
and controlling the data conversion controller (14) to switch transmission signals by using the data transmission controller (7), and controlling the video transmission of the video/projection controller (15) by using the data conversion controller (14).
10. The charger of claim 1, wherein when the Type-C1 fast charging and data transmission module and the Type-C2 fast charging module are connected to a charging device at the same time, the process of adjusting the charging rate of the Type-C1 fast charging and data transmission module and the Type-C2 fast charging module comprises:
detecting the power demand of the charging equipment accessed by the Type-C1 quick charging and data transmission module and the Type-C2 quick charging module, and comparing the power demand of the charging equipment accessed by the Type-C1 quick charging and data transmission module and the Type-C2 quick charging module;
when the difference value that the electric quantity required by the charging equipment accessed by the Type-C1 quick charging and data transmission module is greater than the electric quantity difference threshold value is greater than the electric quantity required by the charging equipment accessed by the Type-C2 quick charging module, the charging multiplying power of the Type-C1 quick charging and data transmission module and the Type-C2 quick charging module is adjusted through the following formula:
Figure FDA0002823386120000041
wherein S is11When the difference value of the electric quantity required by the charging equipment with the Type-C1 quick charging function and the data transmission module connected in the charging equipment with the electric quantity required by the Type-C2 quick charging function and the electric quantity required by the charging equipment with the data transmission module connected in the charging stage is larger than the electric quantity difference threshold value, the charging multiplying power required by the charging equipment with the Type-C1 quick charging function and the data transmission module connected in the charging stage is S21When the difference value that the electric quantity required by the charging equipment accessed by the Type-C1 quick charging and data transmission module is greater than the electric quantity required by the charging equipment accessed by the Type-C2 quick charging module is greater than the electric quantity difference threshold value, the charging equipment accessed by the Type-C2 quick charging module has the charging multiplying power in the flow charging stage, and the C-charging multiplying powera1The nominal rated capacity of the battery of the charging equipment which is connected with the Type-C1 quick charging and data transmission module is represented; cb1The nominal rated capacity of the battery of the charging equipment connected with the Type-C2 quick charging module is represented; t is t1And t2The charging duration of the charging equipment accessed by the Type-C1 quick charging and data transmission module and the charging equipment accessed by the Type-C2 quick charging module in the charging process are respectively represented; the delta C represents a difference value that the electric quantity required by the charging equipment accessed by the Type-C1 quick charging and data transmission module is greater than the electric quantity required by the charging equipment accessed by the Type-C2 quick charging module; caCharging equipment for representing Type-C1 quick charging and data transmission module accessThe electricity demand; cbThe power demand of the charging equipment accessed by the Type-C2 quick charging module is represented; alpha is alpha1When the difference value of the electric quantity demand of the charging equipment with the Type-C1 quick charge and the data transmission module access larger than the electric quantity demand threshold value of the charging equipment with the Type-C2 quick charge module access is larger than the electric quantity difference threshold value, the charging multiplying factor of the charging equipment with the Type-C1 quick charge and the data transmission module access is adjusted, wherein alpha1The value range is 1.08-1.15; beta is a1When the difference value of the electric quantity demand of the charging equipment with the Type-C1 quick charging and data transmission module connected in and the electric quantity demand of the charging equipment with the Type-C2 quick charging module connected in is larger than the electric quantity difference threshold value, the charging multiplying factor of the charging equipment with the Type-C2 quick charging module connected in is shown, wherein the beta value is beta1The value range is 0.88-0.92;
when the difference value that the electric quantity required by the charging equipment accessed by the Type-C1 quick-charging and data transmission module is greater than the electric quantity required by the charging equipment accessed by the Type-C2 quick-charging module is less than the electric quantity difference threshold value, the charging multiplying power of the Type-C1 quick-charging and data transmission module and the Type-C2 quick-charging module is determined through the following formula:
Figure FDA0002823386120000051
wherein S is12When the difference value that the electric quantity required by the charging equipment with the Type-C1 quick-charging and data transmission module connected is larger than the electric quantity required by the charging equipment with the Type-C2 quick-charging module connected is smaller than the electric quantity difference threshold value, the charging multiplying power required by the charging equipment with the Type-C1 quick-charging and data transmission module connected in the charging stage is S22When the difference value that the electric quantity required by the charging equipment accessed by the Type-C1 quick charging and data transmission module is greater than the electric quantity required by the charging equipment accessed by the Type-C2 quick charging module is smaller than the electric quantity difference threshold value, the charging equipment accessed by the Type-C2 quick charging module is charged at the charging rate of the flow charging stage, and the charging rate is Ca1The nominal rated capacity of the battery of the charging equipment which is connected with the Type-C1 quick charging and data transmission module is represented; cb1Indicate the nominal of the battery of the charging equipment that the quick-charging module of Type-C2 insertsA rated capacity; t is t1And t2The charging duration of the charging equipment accessed by the Type-C1 quick charging and data transmission module and the charging equipment accessed by the Type-C2 quick charging module in the charging process are respectively represented; the delta C represents a difference value that the electric quantity required by the charging equipment accessed by the Type-C1 quick charging and data transmission module is greater than the electric quantity required by the charging equipment accessed by the Type-C2 quick charging module; caThe demand quantity of the charging equipment which is connected with the Type-C1 quick charging and data transmission module is represented; cbThe power demand of the charging equipment accessed by the Type-C2 quick charging module is represented; alpha is alpha2When the difference value of the electric quantity demand of the charging equipment with the Type-C1 quick charge and the data transmission module access larger than the electric quantity demand of the charging equipment with the Type-C2 quick charge module access is smaller than the electric quantity difference threshold value, the charging multiplying factor of the charging equipment with the Type-C1 quick charge and the data transmission module access is adjusted, wherein alpha2The value range is 1.02-1.07; beta is a2When the difference value of the electric quantity demand of the charging equipment with the Type-C1 quick charging and data transmission module connected in and the electric quantity demand of the charging equipment with the Type-C2 quick charging module connected in is smaller than the electric quantity difference threshold value, the charging multiplying factor of the charging equipment with the Type-C2 quick charging module connected in is shown, wherein the beta value is beta2The value range is 0.93-0.97;
when the difference value that the electric quantity required by the charging equipment accessed by the Type-C1 quick-charging and data transmission module is less than the electric quantity required by the charging equipment accessed by the Type-C2 quick-charging module is greater than the electric quantity difference threshold value, the charging multiplying power of the Type-C1 quick-charging and data transmission module and the Type-C2 quick-charging module is determined through the following formula:
Figure FDA0002823386120000061
wherein S is13When the difference value that the electric quantity required by the charging equipment accessed by the Type-C1 quick charging and data transmission module is smaller than the electric quantity required by the charging equipment accessed by the Type-C2 quick charging module is larger than the electric quantity difference threshold value, the charging multiplying power required by the charging equipment accessed by the Type-C1 quick charging and data transmission module in the charging stage is S23Indicating when Type-C1 is filled quicklyWhen the difference value that the electric quantity required by the charging equipment with the accessed data transmission module is smaller than the electric quantity required by the charging equipment with the accessed Type-C2 quick charging module is larger than the electric quantity difference threshold value, the charging equipment with the accessed Type-C2 quick charging module has the charging multiplying power in the current charging stage, namely C-2 charging multiplying powera1The nominal rated capacity of the battery of the charging equipment which is connected with the Type-C1 quick charging and data transmission module is represented; cb1The nominal rated capacity of the battery of the charging equipment connected with the Type-C2 quick charging module is represented; t is t1And t2The charging duration of the charging equipment accessed by the Type-C1 quick charging and data transmission module and the charging equipment accessed by the Type-C2 quick charging module in the charging process are respectively represented; the delta C represents a difference value that the electric quantity required by the charging equipment accessed by the Type-C1 quick charging and data transmission module is greater than the electric quantity required by the charging equipment accessed by the Type-C2 quick charging module; caThe demand quantity of the charging equipment which is connected with the Type-C1 quick charging and data transmission module is represented; cbThe power demand of the charging equipment accessed by the Type-C2 quick charging module is represented; alpha is alpha1When the difference value that the electric quantity required by the charging equipment accessed by the Type-C1 quick charging and data transmission module is smaller than the electric quantity required by the charging equipment accessed by the Type-C2 quick charging module is larger than the electric quantity difference threshold value, the charging multiplying factor of the charging equipment accessed by the Type-C1 quick charging and data transmission module is adjusted, wherein alpha3The value range is 0.91-0.96; beta is a3When the difference value that the electric quantity required by the charging equipment accessed by the Type-C1 quick charging and data transmission module is smaller than the electric quantity required by the charging equipment accessed by the Type-C2 quick charging module is larger than the electric quantity difference threshold value, the charging multiplying factor of the charging equipment accessed by the Type-C2 quick charging module is adjusted, wherein the beta value is beta3The value range is 1.09-1.14;
when the difference value that the electric quantity required by the charging equipment accessed by the Type-C1 quick-charging and data transmission module is less than the electric quantity difference threshold value is less than the electric quantity required by the charging equipment accessed by the Type-C2 quick-charging module, the charging multiplying power of the Type-C1 quick-charging and data transmission module and the Type-C2 quick-charging module is determined through the following formula:
Figure FDA0002823386120000071
wherein S is14When the difference value that the electric quantity required by the charging equipment accessed by the Type-C1 quick charging and data transmission module is smaller than the electric quantity required by the charging equipment accessed by the Type-C2 quick charging module is larger than the electric quantity difference threshold value, the charging multiplying power required by the charging equipment accessed by the Type-C1 quick charging and data transmission module in the charging stage is S24When the difference value that the electric quantity required by the charging equipment accessed by the Type-C1 quick charging and data transmission module is smaller than the electric quantity required by the charging equipment accessed by the Type-C2 quick charging module is larger than the electric quantity difference threshold value, the charging equipment accessed by the Type-C2 quick charging module has the charging multiplying power in the flow charging stage, namely the C multiplying powera1The nominal rated capacity of the battery of the charging equipment which is connected with the Type-C1 quick charging and data transmission module is represented; cb1The nominal rated capacity of the battery of the charging equipment connected with the Type-C2 quick charging module is represented; t is t1And t2The charging duration of the charging equipment accessed by the Type-C1 quick charging and data transmission module and the charging equipment accessed by the Type-C2 quick charging module in the charging process are respectively represented; the delta C represents a difference value that the electric quantity required by the charging equipment accessed by the Type-C1 quick charging and data transmission module is greater than the electric quantity required by the charging equipment accessed by the Type-C2 quick charging module; caThe demand quantity of the charging equipment which is connected with the Type-C1 quick charging and data transmission module is represented; cbThe power demand of the charging equipment accessed by the Type-C2 quick charging module is represented; alpha is alpha1When the difference value that the electric quantity required by the charging equipment accessed by the Type-C1 quick charging and data transmission module is smaller than the electric quantity required by the charging equipment accessed by the Type-C2 quick charging module is larger than the electric quantity difference threshold value, the charging multiplying factor of the charging equipment accessed by the Type-C1 quick charging and data transmission module is adjusted, wherein alpha4The value range is 0.93-0.98; beta is a4When the difference value that the electric quantity required by the charging equipment accessed by the Type-C1 quick charging and data transmission module is smaller than the electric quantity required by the charging equipment accessed by the Type-C2 quick charging module is larger than the electric quantity difference threshold value, the charging multiplying factor of the charging equipment accessed by the Type-C2 quick charging module is adjusted, wherein the beta value is beta4The value range is 1.05-1.12.
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