CN211744063U - Self-adaptive power supply adapter based on PD (proportion integration) protocol - Google Patents
Self-adaptive power supply adapter based on PD (proportion integration) protocol Download PDFInfo
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- CN211744063U CN211744063U CN201922240562.4U CN201922240562U CN211744063U CN 211744063 U CN211744063 U CN 211744063U CN 201922240562 U CN201922240562 U CN 201922240562U CN 211744063 U CN211744063 U CN 211744063U
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Abstract
The utility model relates to the technical field of charging equipment, in particular to a self-adaptive power supply adapter based on a PD protocol, which comprises a first level and a second level; the TYPE1 IN is connected with a power supply adapter, and is connected with a control center MCU through a PD1_ awake; the device is inserted into TYPE2OUT, and the PD2_ awake is connected with a control center MCU to judge whether the USB1 has the device access; further sending the corresponding power meter; when the device is plugged into the USB1, after the MCU detects that the device is plugged through the monitor (I) ADC4, whether the device is plugged into the TYPE2OUT is judged; further sending the corresponding power meter; detecting whether the adapter has a PD protocol through the MCU, and simultaneously detecting whether the sum of the current power exceeds the limit; after charging is completed, the device on the USB1 is removed, and the MCU updates the power meter and can send the power meter to the device on TYPE2OUT through PD2_ awake; the charging device can simultaneously and efficiently charge a plurality of devices with different voltage requirements, and reduces the number of charging heads, thereby saving energy and reducing emission.
Description
Technical Field
The utility model relates to a battery charging outfit technical field, concretely relates to self-adaptation power supply adapter based on PD agreement.
Background
The existing charging line supports less PD protocols and mostly has a one-to-one mode, namely, one charging head corresponds to one device to be charged. Among the prior art, the charging wire, one drags many, but input power supply is fixed, and is the same to different delivery outlets, leads to the output that needs the high voltage to low-voltage charges, and charging efficiency is low, and calorific capacity is big, and the energy consumption is high.
Some of the devices are connected with a charging connector and a plurality of output connectors on the market, but the devices to be charged are supplied with power through a fixed voltage output, so that the power supply efficiency is low, and the charging requirements of the devices with different voltages are difficult to meet.
The technical scheme solves the problem that a plurality of devices with different voltage requirements can be charged efficiently at the same time, so that the quantity of charging heads is reduced, energy is saved, and emission is reduced.
Disclosure of Invention
Not enough to prior art, the utility model discloses a self-adaptation power supply adapter based on PD agreement for solve above-mentioned technical problem.
The utility model discloses a following technical scheme realizes:
in a first aspect, the present invention provides an adaptive power adapter based on the PD protocol, which is characterized in that,
the power adapter comprises a first tier and a second tier;
the first level detects different voltage requirements of output port equipment and the condition of input end voltage by arranging a dynamic voltage distributor, and dynamically distributes the voltage requirements to the charging equipment of each output end;
the second level realizes the distribution of dynamic voltage through a dynamic voltage distributor, and is provided with a controller, a voltage reduction module and a current detection module.
Furthermore, the power supply adapter is connected with the controller MCU through the PD1_ awake.
Furthermore, when the TYPE2OUT is inserted into the device, the power adapter judges whether the device is accessed to the USB1 through the PD2_ awake connection controller MCU; and then the corresponding power meter is sent.
Furthermore, when the device is plugged into the USB1, the MCU determines whether the device is plugged into the TYPE2OUT after detecting that the device is plugged into the USB 8932 through the monitor (i) _ ADC 4; and then the corresponding power meter is sent.
Furthermore, the MCU of the controller judges that no equipment is connected to the USB1, and the MCU detects whether the voltage and current output by the TYPE1 IN is normal by judging that the power is transmitted to the equipment on the TYPE2OUT and the monitor (I) ADC;
the MCU determines that there is a device on the USB1, and the power meter sent to the device on TYPE2OUT reduces the power required by the device on USB1 for selection by the device on TYPE2 OUT.
Furthermore, the MCU of the controller determines that the USB1 has no device access, and when there is no abnormality, the MCU is notified through PD2_ awake after the device on TYPE2OUT is selected, and at the same time, the MCU notifies TYPE1 IN through PD1_ awake to output the power selected by the device on TYPE2OUT, and the MCU opens the switch through switch1 to start to transmit power to the device on TYPE2 OUT; if there is an abnormality, the power output is cut off by the switch 1.
Furthermore, if there is no device on TYPE2OUT, the MCU informs the adapter through PD1_ awake to output voltage and current for the device on USB 1;
if a device is in TYPE2OUT, the MCU resends a new power meter to the device in TYPE2OUT, and the new power meter reduces the power required by the device in USB 1.
Further, when the power required by the device on TYPE2OUT and the device on USB1 is greater than the total output power of the adapter on TYPE1 IN, the device output on TYPE2OUT is stopped;
when the power requirements of the adapter on TYPE1 IN and the device on USB1 cannot be met, all outputs are stopped.
Further, when the MCU detects through PD1_ awake that the adapter connected to TYPE1 IN has no PD protocol, no output is made.
In a second aspect, the present invention provides a controller, the controller is configured to control the first aspect, where the power supply control unit includes a processing mechanism and a power supply control unit stored with an execution instruction, and when the processing mechanism executes the execution instruction stored in the power supply control unit, the processing mechanism executes the instruction of the power supply adapter.
The utility model has the advantages that:
the utility model provides a can charge for a plurality of different voltage demand equipment high efficiency simultaneously to reduce the quantity energy saving and emission reduction of the head that charges, had very strong market perspective.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a functional block diagram of an adaptive power supply method based on the PD protocol;
FIG. 2 is a circuit schematic of an adaptive power adapter based on the PD protocol;
fig. 3 is a logic block diagram of an adaptive power adapter based on the PD protocol.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example 1
The embodiment discloses an adaptive power supply method based on a PD protocol as shown in fig. 1, which includes the following steps:
s1, connecting TYPE1 IN with a power supply adapter, and connecting the TYPE1 IN with a control center MCU through PD1_ awake;
s2, inserting equipment into TYPE2OUT, and judging whether equipment is accessed to the USB1 or not by connecting the PD2_ awake with a control center MCU; further sending the corresponding power meter;
s3, when the equipment is plugged into the USB1, after the MCU detects that the equipment is plugged into the USB through monitor (I) ADC4, judging whether the equipment is on TYPE2 OUT; further sending the corresponding power meter;
s4, detecting whether the adapter has a PD protocol through the MCU, and simultaneously detecting whether the sum of the current power exceeds the limit;
s5, completing charging, removing the equipment on the USB1, updating the power meter by the MCU and sending the power meter to the equipment on TYPE2OUT through the PD2_ awake.
The MCU judges that no equipment is connected to the USB1, and detects whether the voltage and the current output by the TYPE1 IN are normal or not by judging the power transmission of the MCU to the equipment on the TYPE2OUT and the monitor (I) ADC;
the MCU determines that there is a device on the USB1, and the power meter sent to the device on TYPE2OUT reduces the power required by the device on USB1 for selection by the device on TYPE2 OUT.
The MCU judges that the USB1 has no equipment access, when no abnormity exists, the MCU is informed through PD2_ awake after the equipment on TYPE2OUT is selected, meanwhile, the MCU informs TYPE1 IN through PD1_ awake to output the power selected by the equipment on TYPE2OUT, and the MCU opens a switch through switch1 to start to transmit power to the equipment on TYPE2 OUT;
if abnormal, the power output is cut off by the switch1, and the step S2 is repeated.
If no equipment is arranged on TYPE2OUT, the MCU informs the adapter to output voltage and current for equipment on the USB1 through PD1_ awake;
if a device is in TYPE2OUT, the MCU resends a new power meter to the device in TYPE2OUT, and the new power meter reduces the power required by the device in USB 1.
When the power required by the device on TYPE2OUT and the device on USB1 is larger than the total output power of the adapter on TYPE1 IN, the output of the device on TYPE2OUT is stopped first, and the power supply of the device on USB1 is ensured.
When the power requirements of the adapter on TYPE1 IN and the device on USB1 cannot be met, all outputs are stopped.
When the MCU detects through PD1_ awake that the adapter connected on TYPE1 IN has no PD protocol, it does nothing.
Example 2
The embodiment discloses an adaptive power adapter based on a PD protocol as shown in FIGS. 2 and 3, which comprises a first hierarchy and a second hierarchy;
the first level is provided with a dynamic voltage distributor, detects different voltage requirements of output port equipment and the condition of input end voltage, and dynamically distributes the voltage requirements to the charging equipment of each output end;
the second level realizes the distribution of dynamic voltage through a dynamic voltage distributor, and is provided with a controller, a voltage reduction module and a current detection module.
Through the PD protocol, a power supply is connected from a PD protocol output interface through an adapter.
The TYPE1 IN is connected with the power supply adapter, and is connected with the control center MCU through the PD1_ awake, and the MCU obtains the power meter and the total output capacity of the power supply adapter, records and stores the power meter and the total output capacity.
When a device is inserted into TYPE2OUT, the device is connected with a control center MCU through PD2_ awake, the MCU firstly judges whether the device is on USB1, if not, the MCU sends a recorded power meter to the device on TYPE2OUT, the device on TYPE2OUT selects power suitable for the device, after the device on TYPE2OUT is selected, the MCU is informed through PD2_ awake, meanwhile, the MCU informs ke TYPE1 IN through PD1_ awake to output the power selected by the device on TYPE2OUT, the MCU opens a switch through switch1 and starts to transmit power to the device on TYPE2 OUT. Meanwhile, the MCU detects whether the voltage and current output by TYPE1 IN is normal or not through the monitor (I) -ADC, and if the voltage and current output by TYPE1 IN is abnormal, the power output is cut off through the switch 1.
If the MCU determines that there is a device on the USB1, the power meter sent to the device on TYPE2OUT is to reduce the power (18W) required by the device on USB1 for selection by the device on TYPE2 OUT.
When a device is plugged into the USB1, the MCU detects that the device is plugged into the USB through the monitor (I) _ ADC4, firstly, whether the device is on TYPE2OUT is judged, if not, the MCU informs the adapter to output voltage 12V and current 3A for the device on the USB1 through the PD1_ awake. If there is a device on TYPE2OUT, the MCU resends a new power meter to the device on TYPE2OUT, which subtracts the power (18W) required by the device on USB 1.
When the power required by the device on TYPE2OUT and the device on USB1 is greater than the total output power of the adapter on TYPE1 IN, the device output on TYPE2OUT is stopped to ensure that the device on USB1 is powered.
When the power requirements of the adapter on TYPE1 IN and the device on USB1 cannot be met, all outputs are stopped.
When the MCU detects through PD1_ awake that the adapter connected on TYPE1 IN has no PD protocol, it does nothing.
When a device on USB1 is removed, the MCU updates the power table and can send it to the device on TYPE2OUT through PD2_ awake.
Example 3
The present embodiment discloses an adaptive power supply control unit based on the PD protocol, which when executed by the processing mechanism of a power supply adapter, performs the method of embodiment 1.
Example 4
The embodiment discloses an adaptive power supply controller based on a PD protocol, which comprises a processing mechanism and a power supply control unit stored with an execution instruction, wherein when the processing mechanism executes the execution instruction stored by the power supply control unit, the processing mechanism executes the method of the embodiment 1.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (3)
1. An adaptive power supply adapter based on PD protocol is characterized in that,
the power adapter comprises a first tier and a second tier;
the first level detects different voltage requirements of output port equipment and the condition of input end voltage by arranging a dynamic voltage distributor, and dynamically distributes the voltage requirements to the charging equipment of each output end;
the second level realizes the distribution of dynamic voltage through a dynamic voltage distributor, and is provided with a controller, a voltage reduction module and a current detection module.
2. The adaptive power supply adapter based on the PD protocol as claimed in claim 1, characterized in that the power supply adapter is connected with a controller MCU through a PD1_ awake.
3. The PD protocol-based adaptive power supply adapter according to claim 1, wherein the controller includes a processing mechanism and a power supply control unit that stores execution instructions, the processing mechanism executing the instructions of the power supply adapter when the processing mechanism executes the execution instructions stored by the power supply control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922240562.4U CN211744063U (en) | 2019-12-14 | 2019-12-14 | Self-adaptive power supply adapter based on PD (proportion integration) protocol |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922240562.4U CN211744063U (en) | 2019-12-14 | 2019-12-14 | Self-adaptive power supply adapter based on PD (proportion integration) protocol |
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| Publication Number | Publication Date |
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| CN211744063U true CN211744063U (en) | 2020-10-23 |
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|---|---|---|---|
| CN201922240562.4U Expired - Fee Related CN211744063U (en) | 2019-12-14 | 2019-12-14 | Self-adaptive power supply adapter based on PD (proportion integration) protocol |
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| Country | Link |
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| CN (1) | CN211744063U (en) |
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- 2019-12-14 CN CN201922240562.4U patent/CN211744063U/en not_active Expired - Fee Related
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Granted publication date: 20201023 |