CN217445063U - Fast charging power socket device for switching power supply through fast charging protocol and multiple power supplies - Google Patents
Fast charging power socket device for switching power supply through fast charging protocol and multiple power supplies Download PDFInfo
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- CN217445063U CN217445063U CN202221264334.6U CN202221264334U CN217445063U CN 217445063 U CN217445063 U CN 217445063U CN 202221264334 U CN202221264334 U CN 202221264334U CN 217445063 U CN217445063 U CN 217445063U
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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
Abstract
The utility model relates to a fill supply socket device soon through protocol and multichannel power supply switching power supply soon, including the device including rectification filter circuit, multichannel power supply switches and fills protocol switching feedback control circuit soon, a plurality of power control route and a plurality of interface of filling soon, multichannel power supply switches and fills the protocol switching feedback control circuit's output and N power control route's input homogeneous phase soon and is connected, multichannel power supply switches and fills protocol switching feedback control circuit soon and still fills the interface homogeneous phase with a plurality of soon and be connected, a plurality of interfaces of filling soon are connected with arbitrary power control route's output, multichannel power supply switches and fills the protocol switching feedback control circuit soon and still links to each other with arbitrary link of filling between interface and the arbitrary power control route soon. Adopted the utility model discloses a through fill the agreement soon and the power supply is switched to multichannel power supply fill supply socket device soon, through agreement and the dynamic realization charging power maximize of multichannel power supply switching, and owing to reduce the back level DC-DC circuit, can further improvement power efficiency.
Description
Technical Field
The utility model relates to a USB technical field that charges especially relates to and installs the technical field that charges at box or similar end box in 86 types, specifically indicates a fill supply socket device soon through filling agreement and multichannel power switching power supply soon.
Background
The existing 86-type bottom box USB charging power sockets are all single-path AC-DC switching power supplies, and when a plurality of charging ports are available and quick charging is needed, a plurality of paths of DC-DC power supplies (each path of DC-DC power supply corresponds to one quick charging interface) are often required to be added at the rear stage. By adopting the scheme, the power supply efficiency is reduced and the heat generation is increased due to the introduction of the post-stage DC-DC circuit.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the shortcoming of above-mentioned prior art, providing a satisfy simple structure, efficient, application scope comparatively extensive through fill agreement and multichannel power supply switch power supply fill supply socket device soon.
In order to achieve the above object, the utility model discloses a fill supply socket device soon through agreement and the switching of multichannel power supply soon and supply power as follows:
the quick-charging power socket device is mainly characterized by comprising a rectifying filter circuit, a multi-path power switching and quick-charging protocol switching feedback control circuit, N power control paths and a plurality of quick-charging interfaces, wherein the rectifying filter circuit receives AC input voltage, the input ends of the N power control paths are connected with the output end of the rectifying filter circuit, the output ends of the multi-path power switching and quick-charging protocol switching feedback control circuit are connected with the input ends of the N power control paths, the multi-path power switching and quick-charging protocol switching feedback control circuit is further connected with the plurality of quick-charging interfaces, the plurality of quick-charging interfaces are connected with the output end of any power control path, and the multi-path power switching and quick-charging protocol switching feedback control circuit is further connected with a link between any quick-charging interface and any power control path Connecting; the power supply control circuit comprises switch power supply circuits and high-frequency rectification filter circuits, wherein the input end of each switch power supply circuit is connected with the output end of the rectification filter circuit, and the output ends of the switch power supply circuits are connected with the input ends of the high-frequency rectification filter circuits through transformers.
Preferably, the power control circuit further comprises an optical coupler, the optical coupler is connected between the multi-path power switching and fast charging protocol switching feedback control circuit and each switching power supply circuit, an input end of the optical coupler is connected with the multi-path power switching and fast charging protocol switching feedback control circuit, and an output end of the optical coupler is connected with the corresponding switching power supply circuit.
Preferably, the high-frequency rectification filter circuit comprises a synchronous rectification control circuit and a rectification MOS transistor, a gate of the rectification MOS transistor is connected with the synchronous rectification control circuit, a source of the rectification MOS transistor is connected with an input end of a corresponding fast charging interface, and an output end of a transformer corresponding to the high-frequency rectification filter circuit is respectively connected with an input end of the synchronous rectification control circuit and a drain of the rectification MOS transistor.
Preferably, the high-frequency rectification filter circuit further comprises a first capacitor, one end of the first capacitor is connected with the output end of the synchronous rectification control circuit, and the other end of the first capacitor is connected with the source electrode of the rectification MOS transistor.
Preferably, the device further comprises a plurality of connecting MOS transistors, the gate of each connecting MOS transistor is connected to the multi-power switching and fast charging protocol switching feedback control circuit, the source of each connecting MOS transistor is connected to any fast charging interface, and the drain of each connecting MOS transistor is connected to the output of any synchronous rectification control circuit.
Preferably, the device further comprises an initial capacitor, and two ends of the initial capacitor are connected with the output end of the rectifying and filtering circuit.
Adopted the utility model discloses a through fill the agreement soon and the power supply is switched to multichannel power supply fill supply socket device soon, when charging supply socket is satisfying many mouthfuls of filling soon simultaneously, accessible agreement and the dynamic realization of multichannel power supply switching power maximize that charges, and owing to reduce back level DC-DC circuit, can further improvement power efficiency.
Drawings
Fig. 1 is the circuit structure diagram of the fast charging power socket device of the utility model, which supplies power by fast charging protocol and multi-path power switching.
Fig. 2 is a schematic circuit diagram of an embodiment of the fast charging power socket device of the present invention, which supplies power by fast charging protocol and multi-path power switching.
Fig. 3 is the front appearance structure diagram of the fast charging power socket device of the utility model, which supplies power by fast charging protocol and multi-path power switching.
Fig. 4 is the back appearance structure diagram of the fast charging power socket device of the utility model, which supplies power by fast charging protocol and multi-path power switching.
Detailed Description
In order to more clearly describe the technical content of the present invention, the following further description is made in conjunction with specific embodiments.
The utility model relates to a fast charging power socket device which supplies power by fast charging protocol and multi-path power supply switching, which comprises a rectifying filter circuit, a multi-channel power supply switching and fast charging protocol switching feedback control circuit, N power supply control channels and a plurality of fast charging interfaces, the rectification filter circuit receives AC input voltage, the input ends of the N power supply control channels are all connected with the output end of the rectification filter circuit, the output end of the multi-channel power supply switching and quick charging protocol switching feedback control circuit is connected with the input ends of the N power supply control channels, the multi-path power supply switching and quick charging protocol switching feedback control circuit is also connected with the plurality of quick charging interfaces, the multi-path power supply switching and fast charging protocol switching feedback control circuit is also connected with a link between any fast charging interface and any power supply control channel; the power supply control circuit comprises switch power supply circuits and high-frequency rectification filter circuits, wherein the input end of each switch power supply circuit is connected with the output end of the rectification filter circuit, and the output ends of the switch power supply circuits are connected with the input ends of the high-frequency rectification filter circuits through transformers.
As the utility model discloses a preferred embodiment, the power control route still include the opto-coupler, the opto-coupler connect and switch and fill the agreement soon and switch between feedback control circuit and every switching power supply circuit in multichannel power, the input of opto-coupler with multichannel power switch and fill the agreement soon and switch that feedback control circuit links to each other, the switching power supply circuit of output and correspondence of opto-coupler link to each other.
As the utility model discloses a preferred embodiment, high frequency rectification filter circuit include synchronous rectification control circuit and rectification MOS pipe, the rectification MOS pipe the grid with synchronous rectification control circuit link to each other, the source electrode of rectification MOS pipe links to each other with the input of the interface that fills soon that corresponds, the output of the transformer that high frequency rectification filter circuit corresponds respectively with synchronous rectification control circuit's input and rectification MOS pipe's drain electrode link to each other.
As the preferred embodiment of the present invention, the high frequency rectification filter circuit further includes a first capacitor, one end of the first capacitor is connected to the output end of the synchronous rectification control circuit, and the other end of the first capacitor is connected to the source electrode of the rectification MOS transistor.
As the utility model discloses a preferred embodiment, the device still include a plurality of connection MOS pipes, the connection MOS pipe the grid with multichannel power switch and fill agreement soon and switch feedback control circuit and link to each other, the source electrode of connection MOS pipe with arbitrary fill the interface soon and link to each other, the drain electrode of connection MOS pipe link to each other with arbitrary synchronous rectification control circuit's output.
As a preferred embodiment of the present invention, the device further comprises an initial capacitor, and both ends of the initial capacitor are connected to the output end of the rectifying and filtering circuit.
The utility model discloses an among the concrete implementation mode, through agreement and multichannel power switching, realization multichannel USBTYPE-C interface or USBTYPE-A interface of maximize power fills fast simultaneously, can improve power efficiency, reduces and generates heat.
The multi-channel AC-DC switching power supply is adopted (each channel of AC-DC switching power supply corresponds to one quick charging interface), and a post-level protocol detection and multi-channel power supply switching circuit are added, so that the power supply efficiency can be improved, and the circuit principle and the product structure can be simplified. When the quick-charging interfaces are all connected with the equipment, each corresponding AC-DC switching power supply supplies power to the corresponding quick-charging interface, and when one or more quick-charging interfaces are detected not to be connected with the equipment, the AC-DC switching power supplies corresponding to the unused quick-charging interface(s) can be connected to other quick-charging interfaces in use through protocol and power supply switching, so that the quick-charging interfaces in use can be charged with higher power. The charging power socket can realize the maximization of charging power through a protocol and the dynamic switching of multiple power supplies while meeting the requirement of simultaneous quick charging of multiple ports, and can further improve the power supply efficiency due to the reduction of a rear-stage DC-DC circuit.
As shown in fig. 1, the input voltage is rectified and filtered to obtain a dc voltage. The direct current voltage is connected to each switch power circuit, and is converted into output direct current voltage through the switch power control circuit and the high-frequency rectification filter circuit, the voltage is controlled by the quick-charging protocol feedback control circuit, and when the equipment end and the quick-charging interface end are successfully in protocol butt joint, each switch power can output the output voltage and current required by each equipment end.
The multi-path power supply switching and quick charging protocol switching feedback control circuit monitors the state of each path of quick charging interface, and controls each switching power supply circuit to supply power to the corresponding quick charging interface when each quick charging interface is connected with equipment; when it is detected that one or more of the fast charging interfaces are not connected to the device, the switching tubes Q1, Q2 and Q3 … QN are controlled to be turned on or off by switching protocols and power supplies, and the AC-DC switching power supplies corresponding to the unused fast charging interface(s) are connected to other fast charging interfaces in use, so that the fast charging interfaces in use can be charged with higher power.
Switching multiple power supplies: the multi-port quick charging device supplies power to each quick charging interface through the multi-path AC-DC switching power supply, and can realize simultaneous quick charging of a plurality of ports. When one or more of the quick charging interfaces are not connected with the equipment, the unused AC-DC power supply can be connected with other quick charging interfaces in use through multi-path power supply switching and protocol feedback control, and the maximum utilization of the power of the charging power supply socket can be realized. Because the post-stage DC-DC conversion circuit is removed, the overall efficiency of the power supply can be improved, and overall heat generation can be reduced.
The novel box USB multi-port that fills charging source soon at the end of 86 TYPEs or similar end of this experiment is based on, has a plurality of USBTYPE-C interface and a plurality of USBTYPE-A to fill the interface soon, can satisfy all fill the interface fast simultaneously and charge fast through multichannel AC-DC power supply power alone, thereby and detectable each fills the interface state soon and carries out the switching in real time of multiple switch power supply and the agreement that fills soon, effectively guarantees the charging power maximum utilization of socket that charges.
The embodiment of the utility model discloses an adopt three routes AC-DC switching power supply as main power supply framework, three routes AC-DC switching power supply corresponds power and is 65W, 18W respectively. The total power 100W is output as shown in fig. 2.
Interface 1: the USB TYPE-C quick charging interface is based on PD, QC and other quick charging protocols, defaults to output maximum 65W (20V, 3.25A) quick charging, and can realize maximum power 100W (20V, 5A) quick charging through multi-channel power supply and protocol switching. The power supply and the quick charging can be supplied to products such as a notebook computer, a tablet personal computer and a mobile phone.
And (3) interface 2: the USB TYPE-C quick charging interface is based on PD, QC and other quick charging protocols, defaults to output maximum 18W (12V, 1.5A) quick charging, and can realize maximum power 100W (20V, 5A) quick charging through multi-path power supply and protocol switching. The power supply and the quick charging can be supplied to products such as a notebook computer, a tablet personal computer and a mobile phone.
And interface 3: the USB TYPE-A quick charging interface is used for outputting maximum 18W (12V, 1.5A) quick charging by default based on a QC quick charging protocol, and can realize maximum power 100W (20V, 5A) quick charging through multi-path power supply and protocol switching. The power supply and quick charging device can be used for supplying power and quickly charging products such as a notebook computer, a tablet personal computer, a mobile phone and the like.
After the AC input is rectified and filtered, a dc voltage is obtained across the initial capacitor CE2, taking a 65W switching power supply circuit as an example, the dc voltage at the high-voltage side is converted by a 65W switching power supply control circuit and a transformer to supply power to the secondary side, and in order to improve efficiency, the secondary side in this embodiment adopts a synchronous rectification mode (composed of a second MOS transistor Q2 and a synchronous rectification control circuit 1) to achieve high efficiency and low temperature rise. After passing through the synchronous rectification circuit 1, an output direct-current voltage is obtained at the end of the first capacitor CE1, and the voltage is controlled by a multi-path power supply switching and quick-charging protocol switching feedback control circuit and depends on the state of the accessed quick-charging equipment and the quick-charging protocol. The multi-path power supply switching and quick charging protocol switching feedback control circuit feeds the voltage at two ends of the CE1 back to the switching power supply control circuit in real time through the optocoupler U1, and cyclic control is achieved. The control principle of the other two 18W switching power supplies is consistent with that of a 65W switching power supply circuit.
The utility model discloses a multichannel power switches and fills agreement soon and switches feedback control circuit and fill interface state soon to three routes and monitor. When different states are detected, the three-way AC-DC switching power supply and the quick charging protocol are correspondingly switched. The method comprises the following specific steps:
when detecting that the three quick charging interfaces are all connected to the equipment. The three paths of AC-DC power supplies respectively supply power to the corresponding quick charging interfaces, at the moment, Q1, Q5 and Q8 are conducted, and Q3, Q4 and Q7 are closed. The maximum power corresponding to the quick charging interface 1 is 65W, the maximum power corresponding to the quick charging interface 2 is 18W, and the maximum power corresponding to the quick charging interface 3 is 18W.
And secondly, when the quick charging interface 1 and the quick charging interface 2 are detected to be connected with the equipment and the quick charging interface 3 is not connected with the equipment. The 65W switching power supply circuit supplies power to the quick charging interface 1, the 18W switching power supply circuit 2 is connected to the quick charging interface 2, and supplies power to the quick charging interface 2 simultaneously with the 18W switching power supply circuit 1, at the moment, Q1, Q5 and Q7 are switched on, and Q3, Q4 and Q8 are switched off. The maximum power corresponding to the quick charging interface 1 is 65W, the maximum power corresponding to the quick charging interface 2 is 30W, and the quick charging interface 3 does not output.
And thirdly, when the access of the quick charging interface 1 and the quick charging interface 3 to the equipment is detected, and the quick charging interface 2 is not accessed to the equipment. The 65W switching power supply circuit supplies power to the quick charging interface 1, the 18W switching power supply circuit 1 is connected to the quick charging interface 3 and supplies power to the quick charging interface 3 simultaneously with the 18W switching power supply circuit 2, at the moment, Q1, Q7 and Q8 are conducted, and Q3, Q4 and Q5 are closed. The maximum power corresponding to the quick charging interface 1 is 65W, the quick charging interface 2 has no output, and the maximum power corresponding to the quick charging interface 3 is 30W.
And fourthly, when only the quick charging interface 1 is connected into the equipment, the two 18W switching power supplies are connected into the quick charging interface 1 and supply power to the quick charging interface 1 together with the 65W switching power supply, at the moment, Q1, Q3 and Q4 are switched on, and Q5, Q7 and Q8 are switched off. The maximum power corresponding to the quick charging interface 1 is 100W, and the quick charging interface 2 and the quick charging interface 3 have no output.
When only the fast charging interface 2 is connected to the equipment, the 65W switching power supply and the 18W switching power supply 2 are connected to the fast charging interface 2 and supply power to the fast charging interface 2 simultaneously with the 18W switching power supply 1, at the moment, Q3, Q5 and Q7 are conducted, and Q1, Q4 and Q8 are closed. The maximum power corresponding to the quick charging interface 2 is 100W, and the quick charging interface 1 and the quick charging interface 3 have no output.
When only the quick-charging interface 3 is connected with the equipment, the 65W switching power supply and the 18W switching power supply 1 are connected with the quick-charging interface 3 and supply power to the quick-charging interface 3 simultaneously with the 18W switching power supply 2, at the moment, Q4, Q7 and Q8 are conducted, and Q1, Q3 and Q5 are closed. The maximum power corresponding to the quick charging interface 3 is 100W, and the quick charging interface 1 and the quick charging interface 2 have no output.
Fig. 3 and 4 are external views of the present invention. By the method for dynamically detecting the states of the quick charging interfaces, the multi-path switching power supply and the quick charging protocol are switched in real time, the maximum utilization of the charging power of the charging socket can be effectively ensured, a rear-stage DC-DC circuit is eliminated, and the efficiency and the heating of the power supply are optimized.
For a specific implementation of this embodiment, reference may be made to the relevant description in the above embodiments, which is not described herein again.
It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments.
It should be noted that, in the description of the present invention, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In addition, in the description of the present invention, "a plurality" means at least two unless otherwise specified.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and the scope of the preferred embodiments of the present invention includes other implementations in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the embodiments of the present invention.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Adopted the utility model discloses a through fill the agreement soon and the power supply is switched to multichannel power supply fill supply socket device soon, when charging supply socket is satisfying many mouthfuls of filling soon simultaneously, accessible agreement and the dynamic realization of multichannel power supply switching power maximize that charges, and owing to reduce back level DC-DC circuit, can further improvement power efficiency.
In this specification, the invention has been described with reference to specific embodiments thereof. It will, however, be evident that various modifications and changes may be made thereto without departing from the broader spirit and scope of the invention. The specification and drawings are, accordingly, to be regarded in an illustrative rather than a restrictive sense.
Claims (6)
1. The utility model provides a fill supply socket device soon through protocol and multichannel power switching power supply soon, its characterized in that, the device include rectifier filter circuit, multichannel power switching and fill protocol switching feedback control circuit soon, N power control route and a plurality of interface that fills soon, rectifier filter circuit receive AC input voltage, N power control route's input all with rectifier filter circuit's output be connected, multichannel power switching and fill protocol switching feedback control circuit's output with N power control route's input homogeneous phase be connected, multichannel power switching and fill protocol switching feedback control circuit still with a plurality of fill interface homogeneous phases connect soon, a plurality of fill interface with the output of arbitrary power control route be connected soon, multichannel power switching and fill protocol switching feedback control circuit still with arbitrary fill interface and arbitrary power control route between the interface The links are connected; the power supply control circuit comprises switch power supply circuits and high-frequency rectification filter circuits, wherein the input end of each switch power supply circuit is connected with the output end of the rectification filter circuit, and the output ends of the switch power supply circuits are connected with the input ends of the high-frequency rectification filter circuits through transformers.
2. A fast charging power socket device with power supply switched by a fast charging protocol and multiple power supplies according to claim 1, wherein the power supply control path further comprises an optical coupler, the optical coupler is connected between the multiple power supply switching and fast charging protocol switching feedback control circuit and each switching power supply circuit, the input end of the optical coupler is connected with the multiple power supply switching and fast charging protocol switching feedback control circuit, and the output end of the optical coupler is connected with the corresponding switching power supply circuit.
3. A fast charging power socket device with power supply switched by a fast charging protocol and multiple power supplies according to claim 1, wherein the high-frequency rectifying and filtering circuit comprises a synchronous rectifying control circuit and a rectifying MOS transistor, the grid of the rectifying MOS transistor is connected with the synchronous rectifying control circuit, the source of the rectifying MOS transistor is connected with the input end of the corresponding fast charging interface, and the output end of the transformer corresponding to the high-frequency rectifying and filtering circuit is respectively connected with the input end of the synchronous rectifying control circuit and the drain of the rectifying MOS transistor.
4. A fast charging power socket device with power supply switched by a fast charging protocol and multiple power supplies according to claim 3, wherein the high frequency rectifying and filtering circuit further comprises a first capacitor, one end of the first capacitor is connected with the output end of the synchronous rectifying and controlling circuit, and the other end of the first capacitor is connected with the source electrode of the rectifying MOS transistor.
5. A fast charging power socket device through fast charging protocol and multi-channel power switching power supply according to claim 3, further comprising a plurality of connecting MOS transistors, wherein the gate of the connecting MOS transistor is connected to the multi-channel power switching and fast charging protocol switching feedback control circuit, the source of the connecting MOS transistor is connected to any fast charging interface, and the drain of the connecting MOS transistor is connected to the output of any synchronous rectification control circuit.
6. A fast charging power socket device supplying power by fast charging protocol and multi-channel power supply switching according to claim 1, further comprising an initial capacitor, wherein two ends of the initial capacitor are connected with the output end of the rectifying and filtering circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221264334.6U CN217445063U (en) | 2022-05-25 | 2022-05-25 | Fast charging power socket device for switching power supply through fast charging protocol and multiple power supplies |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221264334.6U CN217445063U (en) | 2022-05-25 | 2022-05-25 | Fast charging power socket device for switching power supply through fast charging protocol and multiple power supplies |
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| Publication Number | Publication Date |
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| CN217445063U true CN217445063U (en) | 2022-09-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221264334.6U Active CN217445063U (en) | 2022-05-25 | 2022-05-25 | Fast charging power socket device for switching power supply through fast charging protocol and multiple power supplies |
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| Country | Link |
|---|---|
| CN (1) | CN217445063U (en) |
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- 2022-05-25 CN CN202221264334.6U patent/CN217445063U/en active Active
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