CN220585989U - Super power distribution compensation circuit and power supply equipment with same - Google Patents
Super power distribution compensation circuit and power supply equipment with same Download PDFInfo
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- CN220585989U CN220585989U CN202321979526.XU CN202321979526U CN220585989U CN 220585989 U CN220585989 U CN 220585989U CN 202321979526 U CN202321979526 U CN 202321979526U CN 220585989 U CN220585989 U CN 220585989U
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Abstract
The utility model provides a super-power distribution compensation circuit and power supply equipment with the same, wherein the circuit is applied to the power supply equipment and comprises a metering module which is connected with the power supply equipment and used for acquiring current information and voltage information of the power supply equipment, a monitoring module which is electrically connected with the metering module and used for monitoring the output power of the power supply equipment based on the current information and the voltage information, and a voltage reduction module which is respectively connected with the power supply equipment and the monitoring module in a signal way and used for reducing the output power of the power supply equipment. The scheme provided by the utility model can monitor the output power used by the charging equipment of the power supply equipment in real time, and ensure that the charging equipment can operate with low power by reducing the output voltage, so that the total rated power of the patch board is reduced, and the problem of over-power distribution of the patch board is effectively solved while continuous charging of the equipment is ensured.
Description
Technical Field
The utility model belongs to the technical field of power circuits, and particularly relates to a super-power distribution compensation circuit and power supply equipment with the same.
Background
With the development of social economy and the progress of science and technology, the living standard of people is gradually improved, and more devices such as mobile phones, tablets and notebook computers need to be charged, and the requirements for charging and plugging are also increased. In the field of power supply equipment, such as power adapters, battery management systems, etc., stable power output is critical to the proper operation of the equipment.
However, the output power of the power supply device may exceed a preset value due to load fluctuation, environmental condition change, or device aging, etc., thereby causing overload, overheat, or damage of the device. To solve this problem, there are some power management circuits in the prior art for controlling the output power of a power supply device.
However, when the sum of the output powers of most power supply devices in the prior art reaches the critical power value set by the patch board, the whole power output of the patch board is turned off, so that the conditions such as tripping, charging interruption and the like occur, and due to the time delay of load sampling and power compensation, the power supply devices are difficult to realize real-time monitoring and power output adjustment, which also makes the experience of users in the use process unfriendly.
Disclosure of Invention
In order to overcome the above-mentioned drawbacks of the prior art, the present utility model proposes a super power distribution compensation circuit, applied to a power supply device, comprising:
the metering module is connected with the power supply equipment and used for acquiring current information and voltage information of the power supply equipment;
the monitoring module is electrically connected with the metering module and is used for monitoring the output power of the power supply equipment based on the current information and the voltage information;
the voltage reduction module is respectively connected with the power supply equipment and the monitoring module in a signal way and is used for reducing the output power when the monitoring module monitors that the output power is higher than a first preset power value, so that the reduced output power is not higher than a second preset power value.
Specifically, the step-down module includes a current limiting resistor, and the current limiting resistor is disposed on a zero line of the power supply device.
Specifically, the metering module comprises a metering chip, a first input analog pin of the metering chip is electrically connected with a first end of the current limiting resistor, and a second input analog pin of the metering chip is electrically connected with a second end of the current limiting resistor.
Specifically, a positive power supply voltage pin of the metering chip is connected with a phase line of the power supply equipment.
Specifically, the monitoring module comprises a microcontroller, wherein a serial data input pin of the metering chip is electrically connected with a transmitting end of the microcontroller, and a serial data output pin of the metering chip is electrically connected with a receiving end of the microcontroller.
Preferably, the power supply device is provided with a plurality of power supply output ports, and the metering module is used for acquiring current information and voltage information of the power supply device when the power supply output ports are connected to external equipment.
Preferably, the first preset power value is a maximum rated power limit of the power supply device.
Optionally, the first preset power value is the same as the second preset power value.
The utility model also proposes a power supply device provided with a super power distribution compensation circuit as described above.
Optionally, the power supply device comprises a patch panel, a mobile power supply or a charger.
The utility model has at least the following beneficial effects:
the circuit provided by the utility model can acquire the current information and the voltage information of the power supply equipment in real time, so as to monitor and adjust the output power of the power supply equipment, keep the output power within an acceptable range and prevent overload and damage of the equipment;
the circuit provided by the utility model has a better safety protection design, ensures the safe operation of power supply equipment, can be suitable for the power supply equipment with a plurality of power supply output ports, and has higher safety and practicability.
Therefore, the utility model provides the super-power distribution compensation circuit and the power supply equipment with the same, and the scheme provided by the utility model can monitor the output power used by the charging equipment of the power supply equipment in real time, and ensure that the charging equipment can operate with low power by reducing the output voltage, so that the total rated power of the patch board is reduced, and the problem of super-power distribution of the patch board is effectively solved while continuous charging of the equipment is ensured.
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 super power distribution compensation circuit according to embodiment 1;
FIG. 2 is a schematic circuit diagram of a metering module and a buck module;
FIG. 3 is a schematic circuit diagram of a monitoring module;
FIG. 4 is a schematic circuit diagram of a first optocoupler circuit;
fig. 5 is a schematic circuit diagram of a second optocoupler circuit;
fig. 6 is a schematic circuit diagram of a relay driving circuit;
FIG. 7 is a schematic diagram of a circuit configuration of a power supply circuit;
FIG. 8 is a schematic diagram of a circuit configuration of a touch circuit;
FIG. 9 is a schematic circuit diagram of an LED indicator circuit;
FIG. 10 is a schematic diagram of a circuit configuration of a power conversion circuit;
fig. 11 is a schematic diagram of a microcontroller burn port.
Reference numerals
1-a metering module; 2-a monitoring module; 3-a depressurization module; 4-a power supply outlet.
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
The present embodiment proposes a super power distribution compensation circuit applied to a power supply apparatus, including:
the metering module 1 is connected with power supply equipment and used for acquiring current information and voltage information of the power supply equipment;
the monitoring module 2 is electrically connected with the metering module 1 and is used for monitoring the output power of the power supply equipment based on the current information and the voltage information;
the step-down module 3, the step-down module 3 is connected with the power supply equipment and the monitoring module 2 in a signal manner, and is used for reducing the output power of the power supply equipment when the monitoring module 2 monitors that the output power is higher than the first preset power value, so that the reduced output power of the power supply equipment is not higher than the second preset power value.
Specifically, the metering module 1 is electrically connected with the power supply output port 4 of the power supply equipment to play a role in acquiring current information and voltage information of the power supply equipment; likewise, the voltage step-down module 3 is electrically connected to the power supply outlet 4 of the power supply device to reduce the output power of the power supply device.
Preferably, the power supply device is provided with a plurality of power supply output ports 4, and the metering module 1 is used for acquiring current information and voltage information of the power supply device when the power supply output ports 4 are connected to external equipment, so as to achieve the purposes of saving power consumption and detecting immediately.
It should be noted that, the monitoring module 2 monitors the output power of the power supply device based on the current information and the voltage information, that is, obtains the output power of the power supply device through a formula p=i×u, where P is the output power of the power supply device, I is the current information of the power supply device obtained by the metering module 1, and U is the voltage information of the power supply device obtained by the metering module 1.
It should be noted that the first preset power value is not smaller than the second preset power value, and in this embodiment, the first preset power value is the same as the second preset power value.
Preferably, the first preset power value is the maximum rated power limit value of the power supply device, and in a specific embodiment, the first preset power value and the second preset power value are both 2500W, and when the monitoring module 2 monitors that the output power is higher than 2500W, the output power is reduced, so that the reduced output power is not higher than 2500W.
Specifically, referring to fig. 2, the voltage step-down module 3 includes a current limiting resistor, which protects other elements in the circuit by limiting the flow of current, so as to ensure the stability of the circuit and the normal operation of the elements, and in this embodiment, the voltage step-down module 3 includes an RA current limiting resistor, which is disposed on a neutral line (N line) of the power supply device.
The metering module 1 includes a metering chip U10, and the number of optional types of the metering chip U10 is specific, and the metering chip U10 includes, but is not limited to, any chip of a known type, and in this embodiment, the metering chip U10 is of a type HLW8112;
the first input analog pin IAP of the metering chip U10 is electrically connected with the first end of the RA current-limiting resistor, the second input analog pin IAN of the metering chip U10 is electrically connected with the second end of the RA current-limiting resistor, the metering chip U10 detects voltage difference values at two ends of the RA current-limiting resistor on a zero line through the first input analog pin IAP and the second input analog pin IAN, and current information of power supply equipment is obtained based on the voltage difference values;
the positive power supply voltage pin VP of the metering chip U10 is connected with a phase line (L line) of power supply equipment to acquire voltage information on the phase line of the power supply equipment; the voltage information of the phase line of the power supply equipment is the voltage information of the power supply equipment.
Referring to fig. 3, the monitoring module 2 includes a microcontroller U1, a serial data input pin sdi_rx of the metering chip U10 is electrically connected to a transmitting end tx_12 of the microcontroller, and a serial data output pin sod_tx of the metering chip U10 is electrically connected to a receiving end rx_13 of the microcontroller, so as to transmit current information and voltage information of the power supply device acquired by the metering chip U10 to the microcontroller U1.
The microcontroller U1 monitors the output power of the power supply device, and when the output power of the power supply device is higher than a first preset power value, the voltage-reducing signal is transmitted to the metering chip U1 through the transmitting end TX_12 and the receiving end RX_13, so that the metering chip U1 reduces the output power of the power supply device based on the voltage-reducing signal.
Referring to fig. 4 and 5, the super power distribution compensation circuit provided in this embodiment further includes a first optical coupler circuit U9A and a second optical coupler circuit U9A2, where the optical coupler circuits are used for isolating and transmitting signals in the circuits, converting input signals into optical signals through optical devices, and converting the optical signals back to electrical signals for output;
the serial data input pin sdi_rx of the first optocoupler circuit U9A corresponds to the serial data input pin sdi_rx of the metering chip U10, and the serial data output pin sod_tx of the second optocoupler circuit U9A2 corresponds to the serial data output pin sod_tx of the metering chip U10;
the transmitting terminal tx_12 of the first optocoupler circuit U9A corresponds to the transmitting terminal tx_12 of the microcontroller U1, and the receiving terminal rx_13 of the second optocoupler circuit U9A2 corresponds to the receiving terminal rx_13 of the microcontroller U1.
Example 2
The present embodiment proposes a power supply apparatus provided with the super power compensation circuit as described in embodiment 1; the power supply device is provided with a plurality of power supply ports and is used for supplying power to external devices connected with the power supply ports, and the power supply device can comprise, but is not limited to, a patch board, a mobile power supply and a charger.
Referring to fig. 6 and 7, the power supply device further includes a relay driving circuit and a power supply circuit, where the relay driving circuit is connected to the monitoring module 2 and is used to control the switch state of the relay K1, so as to turn on or off the circuit, and thus achieve the overload protection effect on the power supply device; the power supply circuit is respectively connected with the relay driving circuit and the monitoring module 2 and is used for supplying power to the microcontroller U1 and the relay K1.
Preferably, the power supply device further comprises a touch circuit as shown in fig. 8, and the touch circuit is connected with the monitoring module 2, and is used for sensing the contact of a human body or the change of the approach of the human body to the power supply device and transmitting signals with the monitoring module 2, so that the interaction between a user and the power supply device is realized.
Preferably, referring to fig. 9, the power supply device further includes an LED indicating circuit, where the LED indicating circuit is connected to the monitoring module 2 and is configured to obtain information of the power supply device through the monitoring module 2, and indicate light load, heavy load and abnormal states of the power supply device through different indicator light states respectively. In a specific embodiment, the indicator light is in a light load state when the indicator light is normally on, the indicator light is in a heavy load state when the indicator light displays the breathing light effect, the indicator light is in an abnormal state when the indicator light flashes, the maximum rated power limit value of the power supply device is 2500W, the indicator light is normally on when the output power value of the power supply device is lower than 1000W, the indicator light displays the breathing light effect when the output power value of the power supply device is 1000W-2500W, and the indicator light flashes when the power supply device is in abnormal states such as overvoltage, undervoltage and overcurrent.
The power supply device further comprises a power supply conversion circuit, the power supply conversion circuit is used for improving compatibility of the power supply device so that the power supply device can meet working voltage requirements of various devices, the power supply conversion circuit in the embodiment comprises a 5V-to-3.3V power supply circuit as shown in fig. 10, energy consumption can be reduced by reducing the voltage from 5V to 3.3V, efficiency of the power supply is improved, and meanwhile the function of protecting electronic elements and ICs is achieved.
Referring to fig. 11, the power supply device further includes a microcontroller burning port for cooperating with the microcontroller U1, where the microcontroller burning port can load codes or programs into the microcontroller U1, so that the microcontroller U1 can execute corresponding functions.
In summary, the utility model provides the super power distribution compensation circuit and the power supply equipment with the same, and the scheme provided by the utility model can monitor the output power used by the charging equipment of the power supply equipment in real time, and ensure that the charging equipment can operate with low power by reducing the output voltage, so that the total rated power of the patch board is reduced, and the problem of super power distribution of the patch board is effectively solved while continuous charging of the equipment is ensured.
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 super power distribution compensation circuit for use with a power supply device, the circuit comprising:
the metering module is connected with the power supply equipment and used for acquiring current information and voltage information of the power supply equipment;
the monitoring module is electrically connected with the metering module and is used for monitoring the output power of the power supply equipment based on the current information and the voltage information;
the voltage reduction module is respectively connected with the power supply equipment and the monitoring module in a signal way and is used for reducing the output power when the monitoring module monitors that the output power is higher than a first preset power value, so that the reduced output power is not higher than a second preset power value.
2. The super power distribution compensation circuit of claim 1, wherein said step-down module comprises a current limiting resistor, said current limiting resistor being disposed on a neutral line of said power supply device.
3. The super power distribution compensation circuit of claim 2, wherein said metering module comprises a metering chip, a first input analog pin of said metering chip being electrically connected to a first end of said current limiting resistor, and a second input analog pin of said metering chip being electrically connected to a second end of said current limiting resistor.
4. The super power distribution compensation circuit of claim 3, wherein a positive supply voltage pin of said meter chip is connected to a phase line of said power supply device.
5. The super power distribution compensation circuit of claim 3 or 4, wherein said monitoring module comprises a microcontroller, a serial data input pin of said metering chip is electrically connected to a transmitting terminal of said microcontroller, and a serial data output pin of said metering chip is electrically connected to a receiving terminal of said microcontroller.
6. The super power distribution compensation circuit of claim 1, 3 or 4, wherein said power supply device has a plurality of power supply outlets, said metering module for obtaining current information and voltage information of said power supply device when said power supply outlets are connected to an external device.
7. The excess power distribution compensation circuit of claim 1 wherein the first preset power value is a maximum rated power limit of the power supply device.
8. The super power allocation compensation circuit according to claim 1 or 7, wherein the first preset power value is the same as the second preset power value.
9. A power supply device, characterized in that the power supply device is provided with a super power distribution compensation circuit as claimed in any one 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 |
|---|---|---|---|
| CN202321979526.XU CN220585989U (en) | 2023-07-26 | 2023-07-26 | Super power distribution compensation circuit and power supply equipment with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321979526.XU CN220585989U (en) | 2023-07-26 | 2023-07-26 | Super power distribution compensation circuit and power supply equipment with same |
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| Publication Number | Publication Date |
|---|---|
| CN220585989U true CN220585989U (en) | 2024-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202321979526.XU Active CN220585989U (en) | 2023-07-26 | 2023-07-26 | Super power distribution compensation circuit and power supply equipment with same |
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- 2023-07-26 CN CN202321979526.XU patent/CN220585989U/en active Active
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