CN220586025U - Power distribution circuit and power supply equipment with same - Google Patents
Power distribution circuit and power supply equipment with same Download PDFInfo
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- CN220586025U CN220586025U CN202322035813.1U CN202322035813U CN220586025U CN 220586025 U CN220586025 U CN 220586025U CN 202322035813 U CN202322035813 U CN 202322035813U CN 220586025 U CN220586025 U CN 220586025U
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Abstract
The utility model provides a power distribution circuit and power supply equipment with the same, which are applied to the power supply equipment with a plurality of power supply interfaces, and comprise a voltage stabilizing module, a detection module for detecting the connection state of each power supply interface and a power supply processing module connected with a power supply ， Wherein the power supply processing module is connected with each power supply interface, the power supply processing module and the power supply interfaces form a first power supply circuit, and the detection module, the voltage stabilizing module, the power supply processing module and the power supply interfaces are sequentially connected to form a second power supply circuit, so that when the detection module detects that the connection state is changedWhen the power supply is changed, the power supply is performed based on the second power supply line, so that the power supply interfaces which are required to be powered before and after the connection state is changed are ensured to continuously perform power output. The scheme can switch the power supply scheme in real time while realizing multi-port power supply, ensures that the power supply interfaces before and after the change of the connection state continuously output power, avoids the interruption and the charging caused by the power redistribution, and improves the reliability of power supply equipment.
Description
Technical Field
The utility model belongs to the technical field of power distribution, and particularly relates to a power distribution circuit and power supply equipment with the same.
Background
With the continuous development of social economy and science and technology, people are gradually away from electronic devices such as mobile phones, ipad, notebook computers and the like in life, more and more devices need to be charged in the hands of people, and the devices for supplying power to the electronic devices need to have a plurality of power supply interfaces to adapt to the demands of current users, so that multi-port charging devices are generated.
However, when the connection state of a certain interface of the multi-port charger commonly used in the market changes, power distribution is generally required to be performed again, and power supply of other interfaces may be interrupted due to the power distribution, which may cause damage to the ongoing charging device or cause certain capacity loss of the battery of the device, and the use experience of the user is also easy to be poor.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides a power distribution circuit which is applied to power supply equipment with a plurality of power supply interfaces and comprises a voltage stabilizing module, a detection module for detecting the connection state of each power supply interface and a power supply processing module connected with a power supply ， The power supply processing module is connected with each power supply interface, and the power supply processing module and the power supply interfaces form a first power supply line;
the detection module, the voltage stabilizing module, the power supply processing module and the power supply interface are sequentially connected to form a second power supply circuit, so that when the detection module detects that the connection state changes, power is supplied based on the second power supply circuit, and the power supply interface which needs to be supplied with power before and after the connection state changes is ensured to continuously output power.
Specifically, the power supply processing module comprises a plurality of voltage conversion circuits electrically connected with the voltage stabilizing module, and the voltage conversion circuits are connected with the power supply interfaces in a one-to-one correspondence manner.
Preferably, the detection module comprises a plurality of protocol chips, and the protocol chips are respectively connected with the power supply interface and the voltage conversion circuit in a one-to-one correspondence manner.
Further, the detection module further comprises a microcontroller, and the microcontroller is respectively connected with the voltage stabilizing module and each protocol chip and is used for reading the connection state from each protocol chip.
Preferably, the voltage conversion circuit includes a DC-DC circuit for converting a voltage value of the direct current power.
Further, the power processing module further includes an AC-DC circuit for converting alternating current power to the direct current power, the AC-DC circuit electrically connecting the power source and each of the DC-DC circuits.
Preferably, the power distribution circuit provided in this embodiment further includes:
and the timing module is connected with the voltage stabilizing module and is used for disconnecting the voltage stabilizing module from supplying power to the power supply processing module after the time length of supplying power based on the second power supply circuit reaches the preset time.
Optionally, the voltage stabilizing module includes an LDO voltage stabilizing circuit, and the stabilizing voltage is 5V.
The utility model also provides power supply equipment which comprises a plurality of power supply interfaces and the power distribution circuit, wherein the power supply equipment comprises a patch board, a mobile power supply or a charger.
The utility model has at least the following beneficial effects:
the scheme provided by the utility model is suitable for power supply equipment with a plurality of power supply interfaces, can monitor the connection state change of each power supply interface in real time so as to make corresponding power supply adjustment, ensures that the interface needing continuous power supply can realize uninterrupted power output, has better stability and practicability, and can effectively promote the use experience of a user;
furthermore, the scheme can preset time through the timing module to cooperate with the circuit to redistribute power, so that the first power supply circuit replaces the second power supply circuit to supply power when the power distribution is completed, and uninterrupted power supply and connection of the power supply circuits are ensured.
Therefore, the power distribution circuit and the power supply equipment with the same are provided by the utility model, the scheme of the utility model can switch the power supply scheme in real time while realizing multi-port power supply, the uninterrupted power output of the power supply interfaces before and after the change of the connection state is ensured, the interruption caused by the power redistribution is avoided, and the reliability of the power supply equipment is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic block diagram of a power distribution circuit according to embodiment 1;
fig. 2 is a schematic diagram of a specific structure of a power distribution circuit provided in embodiment 1;
FIG. 3 is a schematic diagram of a circuit structure of a first portion BUCK circuit;
FIG. 4 is a schematic diagram of the circuit structure of the second portion BUCK circuit;
FIG. 5 is a schematic circuit diagram of a microcontroller;
FIG. 6 is a schematic diagram of a LDO voltage stabilizing circuit.
Reference numerals
1-a detection module; 2-a power supply processing module; 3-a voltage stabilizing module; 4-a power supply interface; 5-power supply; 6-a timing module.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Hereinafter, various embodiments of the present utility model will be described more fully. The utility model is capable of various embodiments and of modifications and variations therein. However, it should be understood that: there is no intention to limit the various embodiments of the utility model to the specific embodiments disclosed herein, but rather the utility model is to be understood to cover all modifications, equivalents, and/or alternatives falling within the spirit and scope of the various embodiments of the utility model.
Hereinafter, the terms "comprises" or "comprising" as may be used in various embodiments of the present utility model indicate the presence of the disclosed functions, operations or elements, and are not limiting of the addition of one or more functions, operations or elements. Furthermore, as used in various embodiments of the utility model, the terms "comprises," "comprising," and their cognate terms are intended to refer to a particular feature, number, step, operation, element, component, or combination of the foregoing, and should not be interpreted as first excluding the existence of or increasing likelihood of one or more other features, numbers, steps, operations, elements, components, or combinations of the foregoing.
In various embodiments of the utility model, the expression "or" at least one of a or/and B "includes any or all combinations of the words listed simultaneously. For example, the expression "a or B" or "at least one of a or/and B" may include a, may include B or may include both a and B.
Expressions (such as "first", "second", etc.) used in the various embodiments of the utility model may modify various constituent elements in the various embodiments, but the respective constituent elements may not be limited. For example, the above description does not limit the order and/or importance of the elements. The above description is only intended to distinguish one element from another element. For example, the first user device and the second user device indicate different user devices, although both are user devices. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, without departing from the scope of various embodiments of the present utility model.
It should be noted that: in the present utility model, unless explicitly specified and defined otherwise, terms such as "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium; may be a communication between the interiors of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, it should be understood by those of ordinary skill in the art that the terms indicating an orientation or a positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of description, not to indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model.
The terminology used in the various embodiments of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the various embodiments of the utility model. As used herein, the singular is intended to include the plural as well, unless the context clearly indicates otherwise. Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which various embodiments of the utility model belong. The terms (such as those defined in commonly used dictionaries) will be interpreted as having a meaning that is the same as the context of the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein in connection with the various embodiments of the utility model.
Example 1
Referring to fig. 1-6, the present embodiment provides a power distribution circuit for a power supply device having a plurality of power supply interfaces 4, the power distribution circuit including a voltage stabilizing module 3 、 Detection module 1 for detecting connection state of each power supply interface 4 and power supply processing module 2 for connecting power supply 5 ；
The power supply processing module 2 is connected with each power supply interface 4, and the power supply processing module 2 and the power supply interfaces 4 form a first power supply line;
the detection module 1, the voltage stabilizing module 3, the power supply processing module 2 and the power supply interface 4 are sequentially connected to form a second power supply circuit, so that when the detection module 1 detects that the connection state changes, power is supplied based on the second power supply circuit, and the power supply interface 4 which needs to be supplied with power before and after the connection state changes is ensured to continuously output power.
It should be noted that, the power supply 5 may include a power supply and an external power supply that are disposed inside the power supply device, and when the power supply 5 is an external power supply, the power supply device further includes a power receiving interface, and the power processing module 2 in the power supply device is connected to the external power supply through the power receiving interface.
For example, when the power supply device has at least one power supply interface 4 connected with the power receiving terminal, the power supply device supplies power to each power supply interface 4 connected with the power receiving terminal through the first power supply line, if other power supply interfaces 4 are connected with new power receiving terminals at the moment, power distribution needs to be performed again, and the first power supply line cannot supply power during the power distribution again;
meanwhile, as other power supply interfaces 4 are connected to a new power receiving terminal, the detection module 1 detects that the connection state changes, and the power distribution circuit provided in the embodiment supplies power to each power supply interface 4 connected to the power receiving terminal in advance based on the second power supply line until the power distribution is completed;
when the power distribution is completed, power is continuously supplied to each power supply interface 4 connected with the power receiving terminal through the first power supply line.
In another embodiment, when the power supply device has at least two power supply interfaces 4 connected to the power receiving terminal, the power supply device supplies power to each power supply interface 4 connected to the power receiving terminal through the first power supply line, and if at this time, the power supply interfaces 4 are disconnected from the power receiving terminal and the power receiving terminal connected to the power supply interfaces 4 is still provided, the power distribution needs to be performed again, and the first power supply line cannot supply power during the power distribution again;
meanwhile, as the power supply interfaces 4 are disconnected with the power receiving terminals, the detection module 1 detects that the connection state changes, and the power distribution circuit provided in the embodiment supplies power to the power supply interfaces 4 still connected with the power receiving terminals based on the second power supply line until the power distribution is completed;
when the power distribution is completed, power is continuously supplied to each power supply interface 4 connected with the power receiving terminal through the first power supply line.
It should be noted that, if all the power supply interfaces 4 connected with the power receiving terminals previously are disconnected from the power receiving terminals connected with the power receiving terminals, the second power supply circuit does not need to perform the power supply function, and the voltage stabilizing circuit does not work at this time.
Specifically, the power supply processing module 2 includes a plurality of voltage conversion circuits electrically connected to the voltage stabilizing module 3, and the voltage conversion circuits are connected to the power supply interfaces 4 in a one-to-one correspondence manner, so as to convert the voltage provided by the power supply or the voltage stabilizing circuit into a specification suitable for each power supply interface 4.
Specifically, the voltage conversion circuit includes a DC-DC circuit for converting a voltage value of direct-current electric power, and the power supply processing module 2 further includes an AC-DC circuit for converting alternating-current electric power into direct-current electric power, the AC-DC circuit electrically connecting the power supply 5 and each DC-DC circuit. In this embodiment, the voltage conversion circuit includes a BUCK circuit as shown in fig. 3 and 4, and J1 shown in fig. 3 and J2 shown in fig. 4 are the power supply interfaces 4.
Specifically, the detection module 1 includes a microcontroller and a plurality of protocol I C chips as shown in fig. 5, in this embodiment, the detection module 1 includes a protocol I C chip U3 and a protocol I C chip U6 shown in fig. 3 and fig. 4, and the protocol I C chip is respectively connected to the power supply interface 4 and the voltage conversion circuit in a one-to-one correspondence manner, and the microcontroller is respectively connected to the voltage stabilizing module 3 and each protocol I C chip, and is configured to read a connection state of each power supply interface 4 from each protocol I C chip.
Referring to fig. 6, the voltage stabilizing module 3 in this embodiment includes an LDO voltage stabilizing circuit, and the voltage stabilizing circuit provides a stabilizing voltage value of 5V.
Preferably, the power distribution circuit provided in this embodiment further includes a timing module 6, where the timing module 6 is connected to the voltage stabilizing module 3, and is configured to disconnect the power supply from the voltage stabilizing module 3 to the power supply processing module 2 after a duration of power supply based on the second power supply line reaches a preset time; alternatively, the timing module 6 may be provided separately or in the detection module 1.
It should be noted that, the preset time of the timing module 6 is adjustable, and the user can adjust the preset time of the timing module 6 according to the time required for the power supply device to redistribute power.
In a specific embodiment, the time required for the power supply device to redistribute the power is 50ms, the preset time of the timing module 6 is set to be 50ms correspondingly, and if the time for the power distribution circuit to supply the power to each power supply interface 4 of the existing power receiving terminal based on the second power supply line reaches 50ms, the power supply connection of the second power supply line to each power supply interface 4 of the power receiving terminal is disconnected.
Example 2
The present embodiment proposes a power supply apparatus including a plurality of power supply interfaces 4 and a power distribution circuit as proposed in embodiment 1, and the power supply apparatus proposed in the present embodiment may include, but is not limited to, a patch panel, a mobile power supply, or a charger.
In summary, the utility model provides a power distribution circuit and power supply equipment with the same, and the scheme of the utility model can switch the power supply scheme in real time while realizing multi-port power supply, ensure that the power supply interfaces before and after the change of the connection state continuously output power, avoid the interruption and charging caused by power redistribution, and improve the reliability of the power supply equipment.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.
Claims (10)
1. A power distribution circuit is characterized by being applied to power supply equipment with a plurality of power supply interfaces and comprising a voltage stabilizing module, a detection module for detecting the connection state of each power supply interface and a power supply processing module connected with a power supply ， The power supply processing module is connected with each power supply interface, and the power supply processing module and the power supply interfaces form a first power supply line;
the detection module, the voltage stabilizing module, the power supply processing module and the power supply interface are sequentially connected to form a second power supply circuit, so that when the detection module detects that the connection state changes, power is supplied based on the second power supply circuit, and the power supply interface which needs to be supplied with power before and after the connection state changes is ensured to continuously output power.
2. The power distribution circuit of claim 1 wherein the power processing module comprises a plurality of voltage conversion circuits electrically coupled to the voltage regulator module, the voltage conversion circuits being coupled to the power supply interfaces in a one-to-one correspondence.
3. The power distribution circuit according to claim 2, wherein the detection module comprises a plurality of protocol chips, and the protocol chips are respectively connected with the power supply interface and the voltage conversion circuit in a one-to-one correspondence manner.
4. The power distribution circuit of claim 3 wherein the detection module further comprises a microcontroller coupled to the voltage regulator module, each of the protocol chips, respectively, for reading the connection status from each of the protocol chips.
5. The power distribution circuit of claim 2 wherein the voltage conversion circuit comprises a DC-DC circuit for converting a voltage value of the direct current electrical energy.
6. The power distribution circuit of claim 5 wherein the power supply processing module further comprises an AC-DC circuit for converting alternating current electrical energy to the direct current electrical energy, the AC-DC circuit electrically connecting the power supply and each of the DC-DC circuits.
7. The power distribution circuit according to claim 1 or 2, further comprising:
and the timing module is connected with the voltage stabilizing module and is used for disconnecting the voltage stabilizing module from supplying power to the power supply processing module after the time length of supplying power based on the second power supply circuit reaches the preset time.
8. The power distribution circuit of claim 1, wherein the voltage regulation module comprises an LDO voltage regulation circuit that provides a regulated voltage of 5V.
9. A power supply device comprising a plurality of power supply interfaces and a power distribution circuit as claimed in any of claims 1-8.
10. The power supply apparatus of claim 9, wherein the power supply apparatus comprises a patch panel, a mobile power source, or a charger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322035813.1U CN220586025U (en) | 2023-07-31 | 2023-07-31 | Power distribution circuit and power supply equipment with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322035813.1U CN220586025U (en) | 2023-07-31 | 2023-07-31 | Power distribution circuit and power supply equipment with same |
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| Publication Number | Publication Date |
|---|---|
| CN220586025U true CN220586025U (en) | 2024-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202322035813.1U Active CN220586025U (en) | 2023-07-31 | 2023-07-31 | Power distribution circuit and power supply equipment with same |
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| CN (1) | CN220586025U (en) |
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- 2023-07-31 CN CN202322035813.1U patent/CN220586025U/en active Active
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