CN112086954A - Intelligent direct-current power distribution device, power distribution method and electronic equipment - Google Patents

Intelligent direct-current power distribution device, power distribution method and electronic equipment Download PDF

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Publication number
CN112086954A
CN112086954A CN202011050435.9A CN202011050435A CN112086954A CN 112086954 A CN112086954 A CN 112086954A CN 202011050435 A CN202011050435 A CN 202011050435A CN 112086954 A CN112086954 A CN 112086954A
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CN
China
Prior art keywords
power supply
state information
direct current
load
power
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Pending
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CN202011050435.9A
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Chinese (zh)
Inventor
冯涛
郑诚儀
周仁创
王锐东
王艳红
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Dongguan Mentech Optical and Magnetic Co Ltd
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Dongguan Mentech Optical and Magnetic Co Ltd
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Priority to CN202011050435.9A priority Critical patent/CN112086954A/en
Publication of CN112086954A publication Critical patent/CN112086954A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J1/00Circuit arrangements for dc mains or dc distribution networks
    • H02J1/08Three-wire systems; Systems having more than three wires
    • H02J1/084Three-wire systems; Systems having more than three wires for selectively connecting the load or loads to one or several among a plurality of power lines or power sources
    • H02J1/086Three-wire systems; Systems having more than three wires for selectively connecting the load or loads to one or several among a plurality of power lines or power sources for providing alternative feeding paths between load or loads and source or sources when the main path fails
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/42Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to product of voltage and current
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00006Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
    • H02J13/00016Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using a wired telecommunication network or a data transmission bus

Abstract

The embodiment of the invention provides an intelligent direct-current power distribution device, a power distribution method and electronic equipment, wherein the intelligent direct-current power distribution device comprises the following steps: the system comprises an alternating current detection module, a direct current detection module, a micro control Module (MCU), a remote monitoring platform and a load control module; the alternating current detection module is connected to a mains supply in the power supply system, the direct current detection module and the load control module are connected to a direct current power supply in the power supply system for detection, the micro control module MCU is connected with the alternating current detection module based on a UART communication mode, the direct current detection module and the load control module are connected with the micro control module MCU, and the remote monitoring platform is connected with the micro control module MCU. By applying the scheme provided by the embodiment of the invention, the direct current electric energy consumed by the load can be limited under the condition of power supply of the direct current power supply, and the requirement of flexibly setting power supply and distribution is met.

Description

Intelligent direct-current power distribution device, power distribution method and electronic equipment
Technical Field
The invention relates to the technical field of electricity, in particular to an intelligent direct-current power distribution device, a power distribution method and electronic equipment.
Background
With the development of communication technology, the scale of communication networks has expanded rapidly, and the number of base stations has increased. The dc power distribution unit is a power supply device of the base station, and is an infrastructure of mobile communication.
The existing direct current power distribution unit only has the on-off control function of a power supply, and the function is single, so that diversified power distribution requirements cannot be met.
Disclosure of Invention
The embodiment of the invention provides an intelligent direct-current power distribution device, a power distribution method and electronic equipment, and aims to achieve the technical effect of flexibly carrying out power distribution setting.
In one aspect of the present invention, an intelligent dc power distribution apparatus is provided, including: the system comprises an alternating current detection module, a direct current detection module, a micro control Module (MCU), a remote monitoring platform and a load control module; the system comprises an alternating current detection module, a direct current detection module, a load control module, a micro control module MCU, a remote monitoring platform and a power supply system, wherein the alternating current detection module is connected to a mains supply in the power supply system, the direct current detection module and the load control module are connected to a direct current supply in the power supply system, the micro control module MCU is connected with the alternating current detection module based on a UART communication mode, the direct current detection module and the load control module are connected with the micro control module MCU, and the remote monitoring platform is connected;
under power supply system adopts the circumstances of mains supply power supply, exchange detection module collection mains supply's interchange state information, and according to exchange state information monitoring mains supply's power supply state information, it includes to exchange state information: the power supply state information comprises the following voltage values and current values: whether normal power supply, active power, reactive power, power factor, and power consumption are performed;
the direct current detection module monitors direct current state information of the direct current power supply, wherein the direct current state information comprises: a voltage value and a current value;
the load control module is used for controlling the on-off of a load loop in the power supply system according to the instruction of the micro control module MCU;
the micro control module MCU reads the alternating current state information, the power supply state information and the direct current state information, determines the power supply state of the mains supply according to the read information, accumulates the direct current electric energy consumed by a load in the power supply system by using the direct current state information when the mains supply is determined to be powered off, and sends a control instruction to the load control module when the accumulated direct current electric energy reaches the limited power consumption electric energy, and the load control module acts to cut off the load;
and the micro control module MCU sends the alternating current state information, the power supply state information and the direct current state information to the remote monitoring platform, so that the remote monitoring platform displays the alternating current state information, the power supply state information and the direct current state information.
Optionally, the MCU determines whether the voltage value in the dc status information reaches a preset voltage threshold value according to the read information, and if so, cuts off the load.
Optionally, the micro control unit MCU counts the power supply time of the dc power supply when the commercial power supply is powered off according to the read information, and cuts off the load when the power supply time reaches a limited standby time.
Optionally, the MCU judges whether the current time is in the duty-free on-off control time period, and cuts off the load when the current time is in the duty-free on-off control time period.
Optionally, the MCU counts the accumulated power consumption of the load according to the dc status information within a predetermined time period.
In another aspect of the present invention, there is also provided an intelligent dc power distribution method, including:
the method comprises the steps of collecting alternating current state information of a mains supply in a power supply system, and counting power supply state information of the mains supply according to the alternating current state information, wherein the alternating current state information comprises the following steps: the power supply state information comprises the following voltage values and current values: whether normal power supply, active power, reactive power, power factor, and power consumption are performed;
collecting direct current state information of a direct current power supply in the power supply system, wherein the direct current state information comprises: a voltage value and a current value;
and determining the power supply state of the mains supply according to the read information, accumulating the direct current electric energy consumed by the load in the power supply system by using the direct current state information when the mains supply is determined to be powered off, and cutting off the load under the condition that the accumulated direct current electric energy reaches the limited power consumption electric energy.
Optionally, the method further includes:
and under the condition that the commercial power supply is determined to have power failure according to the read information, judging whether the voltage value in the direct current state information reaches a preset voltage threshold value or not, and if so, cutting off the load.
Optionally, the method further includes:
and under the condition that the commercial power supply is determined to have power failure according to the read information, counting the power supply time of the direct-current power supply, and under the condition that the power supply time reaches the limited standby power time, cutting off the load.
Optionally, the method further includes:
judging whether the current time is in the duty-free on-off control time period or not, and cutting off the load under the condition that the current time is in the duty-free on-off control time period
In another aspect of the present invention, an electronic device is further provided, which includes a processor, a communication interface, a memory, and a communication bus, where the processor, the communication interface, and the memory complete communication with each other through the communication bus;
a memory for storing processor-executable instructions;
and the processor is used for realizing the intelligent direct current power distribution method when executing the instructions stored in the memory.
The embodiment of the invention provides an intelligent direct-current power distribution device, a power distribution method and electronic equipment, wherein the intelligent direct-current power distribution device comprises the following steps: the system comprises an alternating current detection module, a direct current detection module, a micro control Module (MCU), a remote monitoring platform and a load control module; the alternating current detection module is connected to a mains supply in the power supply system, the direct current detection module and the load control module are connected to a direct current power supply in the power supply system for detection, the micro control module MCU is connected with the alternating current detection module based on a UART communication mode, the direct current detection module and the load control module are connected with the micro control module MCU, and the remote monitoring platform is connected with the micro control module MCU. By applying the scheme provided by the embodiment of the invention, the direct current electric energy consumed by the load can be limited under the condition of power supply of the direct current power supply, and the requirement of flexibly setting power supply and distribution is met.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
fig. 1 is a schematic structural diagram of an intelligent dc power distribution apparatus according to an embodiment of the present invention;
fig. 2 is an electrical schematic diagram of a phase detection circuit in an ac detection module according to an embodiment of the present invention;
fig. 3 is a schematic flowchart of an intelligent dc power distribution method according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an electronic device according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the following embodiments and accompanying drawings. The exemplary embodiments and descriptions of the present invention are provided to explain the present invention, but not to limit the present invention.
Referring to fig. 1, a schematic structural diagram of a dc power distribution unit provided in an embodiment of the present invention is shown, where an intelligent dc power distribution apparatus includes: the system comprises an alternating current detection module 1, a direct current detection module 2, a micro control module MCU3 remote monitoring platform 4 and a load control module 5; the alternating current detection module 1 is connected to a mains supply in a power supply system, the direct current detection module 2 and the load control module 5 are connected to a direct current supply in the power supply system, the micro control module MCU3 is connected with the alternating current detection module 1 based on a UART communication mode, the direct current detection module 2 and the load control module 5 are connected with the micro control module MCU3, and the remote monitoring platform 4 is connected with the micro control module MCU 3.
In practice, in order to ensure the stability of power supply, a backup power source, such as a battery pack or an oil engine, is provided in the power supply system, and the backup power source is usually dc power supply and may also be referred to as a dc power source.
In implementation, the alternating current monitoring module 1 provides a path of three-phase alternating current voltage, current and frequency detection circuit and a path of single-phase alternating current voltage and current detection circuit; each phase detection circuit comprises a current and voltage sampling circuit and a metering IC;
the current sampling in the current-voltage sampling circuit can be realized based on the current transformer principle, and the voltage sampling can be realized based on the resistance voltage division principle. The power supply of the current and voltage sampling circuit can be independently supplied by a group of resistance-capacitance voltage reduction power supply circuits, and the resistance-capacitance voltage reduction power supply has the advantages of high reliability, low cost and small occupied space.
The metering IC can adopt an HLW8110 single-phase metering IC, the HLW8110 is a high-precision electric energy metering IC, and the high-precision electric energy metering IC adopts a CMOS (complementary metal oxide semiconductor) manufacturing process and is mainly used for single-phase application. It can measure line voltage and current and can calculate active power, apparent power and power factors.
A Micro Control Unit (MCU) is also called a single-chip microcomputer or a single-chip microcomputer. And a UART communication mode is adopted between the alternating current detection module 1 and the micro control module MCU3, and an optical coupler is used for isolation, so that electromagnetic interference is reduced.
Referring to fig. 2, an electrical schematic diagram of a phase detection circuit in an ac detection module according to an embodiment of the present invention is provided, specifically, a current sampling portion in a current-voltage sampling circuit includes: r16, R19, R22, C13, C19, pin 1 and pin 2 that input the sampled current into HLW 8110; the voltage sampling section includes: r23, R24, R25, R26, R27, C22, R29, pin 3 that inputs the sampled voltage into HLW 8110;
the HLW8110 is powered by a 3V power supply, signals are output through a pin 6 and a pin 7, and output signals of the pin 6 and the pin 7 are connected to the MCU through UART communication;
the UART communication comprises optical couplers U6 and U8; resistors R18, R20, R30, R28; capacitors C20, C24.
The remote monitoring platform 4 can adopt an upper computer, and under the condition, the micro control module MCU3 can communicate with the upper computer based on 485 communication.
In the specific implementation process, under the condition that the power supply system adopts the mains supply to supply power, the alternating current detection module 1 collects the alternating current state information of the mains supply, and counts the power supply state information of the mains supply according to the alternating current state information, wherein the alternating current state information comprises: voltage value and current value, power supply state information includes: whether normal power supply, active power, reactive power, power factor, and power consumption are performed;
the direct current detection module 2 monitors direct current state information of the direct current power supply, and the direct current state information comprises: a voltage value and a current value;
the load control module 5 is used for controlling the on-off of a load loop in the power supply system according to the instruction of the micro control module MCU 3;
the micro control module MCU3 reads the AC state information, the power supply state information and the DC state information, determines the power supply state of the mains supply according to the read information, when the mains supply is determined to be powered off, accumulates the DC electric energy consumed by the load in the power supply system by using the DC state information, and sends a control instruction to the load control module 5 under the condition that the accumulated DC electric energy reaches the limited power consumption electric energy, and the load control module 5 acts to cut off the load;
the MCU3 sends ac status information, power supply status information and dc status information to the remote monitoring platform 4, so that the remote monitoring platform 4 displays the ac status information, the power supply status information and the dc status information.
In practice, the electrical energy consumption is limited, i.e. the maximum electrical energy consumption allocated to the load in the case of a dc power supply. In an implementation, there may be a plurality of loads, and in the case that there are a plurality of loads, the limited power consumption electric energy may be set according to the actual power of each load, for example, if the power supply system uses a 500Ah/48V lithium iron battery pack, the total spare power amount may be 25600Wh, and if the power of the first load is 2000W and the power of the second load is 3000W, the limited power consumption electric energy of the first load may be 6000Wh and the limited power consumption electric energy of the second load may be 15000 Wh. Therefore, after the battery pack starts to discharge, the power consumption electric energy of the first load and the power consumption electric energy of the second load are respectively counted, and when the power consumption electric energy of the first load reaches 6000Wh, the power supply to the first load is stopped. The advantage of limiting the power utilization and electric energy for control is that the electric energy use condition of each load can be intuitively and clearly counted.
In implementation, the MCU3 determines whether the voltage value in the dc status information reaches a preset voltage threshold value when the power supply is powered off according to the read information, and cuts off the load if the voltage value in the dc status information reaches the preset voltage threshold value.
Under the condition that a mains supply is powered off, the electric energy stored in the battery pack is gradually consumed along with the increase of the power supply time of the direct-current power supply, and the voltage value is reduced accordingly.
In implementation, the micro control module MCU3 counts the power supply duration of the dc power supply when the commercial power supply is powered off according to the read information, and cuts off the load when the power supply duration reaches the limited standby power duration.
The standby time period is defined, i.e. the total time period for supplying power to the load in the case of a dc power supply. That is, in the case of supplying power from the dc power source, the power supply is stopped when the power supply period to the load reaches the defined standby power period.
In implementation, the MCU3 may further determine whether the current time is within the duty-free on-off control time period, and switch off the load when the current time is within the duty-free on-off control time period.
And the duty-free on-off control time period does not need to adopt a mains supply or a direct current power supply, and the load is cut off as long as the set time period is reached.
In an implementation, a plurality of defined on-off control time periods may also be provided, i.e. time periods in which no power is supplied to the load is limited. The requirement that the timing switch supplies power to the load can be met by setting a limited on-off control time period, for example, in the mountainous village, when no person is basically powered after 10 o' clock, the time period of 22:00-5:00 can be set to cut off the load. The purpose of limiting the on-off control time period is to switch the load on and off in a timing mode according to actual use requirements so as to achieve the aim of saving energy.
When the micro control module MCU3 determines that the current time is within the defined on-off control period, the load is switched off.
In implementation, the staff may set a plurality of limited on-off control time periods as required, for example, setting the limited on-off control time periods includes: 00:00-6:00,12:00-14:00,15:00-16:00,20:00-24:00.
In an implementation, the MCU3 may also count the accumulated power consumption of the load according to the dc status information during a predetermined period. For example, the accumulated power in the last 30 days, the last 12 months, the last 1 year and history can be counted, so that the staff can check the accumulated condition of the power consumption through the upper computer.
Referring to fig. 3, a schematic flow chart of an intelligent dc power distribution method according to an embodiment of the present invention is shown, where the method includes:
s300, collecting alternating current state information of a mains supply in a power supply system, and counting power supply state information of the mains supply according to the alternating current state information.
The communication state information includes: the power supply state information comprises the following voltage values and current values: whether normal power supply, active power, reactive power, power factor, and power consumption are performed;
and S310, acquiring direct current state information of the direct current power supply in the power supply system.
The direct current state information includes: a voltage value and a current value;
and S320, determining the power supply state of the mains supply according to the read information, accumulating the direct current electric energy consumed by the load in the power supply system by using the direct current state information when the mains supply is determined to be powered off, and cutting off the load under the condition that the accumulated direct current electric energy reaches the limited power consumption electric energy.
In implementations, the method further comprises:
and under the condition that the commercial power supply is determined to have power failure according to the read information, judging whether the voltage value in the direct current state information reaches a preset voltage threshold value or not, and if so, cutting off the load.
In implementations, the method further comprises:
and under the condition that the commercial power supply is determined to have power failure according to the read information, counting the power supply time of the direct-current power supply, and under the condition that the power supply time reaches the limited standby power time, cutting off the load.
In implementations, the method further comprises:
and judging whether the current moment is within the duty-free on-off control time period or not, and cutting off the load under the condition that the moment is within the duty-free on-off control time period.
An embodiment of the present invention further provides an electronic device, as shown in fig. 4, including a processor 001, a communication interface 002, a memory 003 and a communication bus 004, where the processor 001, the communication interface 002 and the memory 003 complete mutual communication through the communication bus 004,
a memory 003 for storing a computer program;
the processor 001 is configured to implement the intelligent dc power distribution method when executing the program stored in the memory 003, and the method includes:
the method comprises the steps of collecting alternating current state information of a mains supply in a power supply system, and counting power supply state information of the mains supply according to the alternating current state information, wherein the alternating current state information comprises the following steps: the power supply state information comprises the following voltage values and current values: whether normal power supply, active power, reactive power, power factor, and power consumption are performed;
collecting direct current state information of a direct current power supply in the power supply system, wherein the direct current state information comprises: a voltage value and a current value;
and determining the power supply state of the mains supply according to the read information, accumulating the direct current electric energy consumed by the load in the power supply system by using the direct current state information when the mains supply is determined to be powered off, and cutting off the load under the condition that the accumulated direct current electric energy reaches the limited power consumption electric energy.
The communication bus mentioned in the electronic device may be a Peripheral Component Interconnect (PCI) bus, an Extended Industry Standard Architecture (EISA) bus, or the like. The communication bus may be divided into an address bus, a data bus, a control bus, etc. For ease of illustration, only one thick line is shown, but this does not mean that there is only one bus or one type of bus.
The communication interface is used for communication between the electronic equipment and other equipment.
The Memory may include a Random Access Memory (RAM) or a Non-Volatile Memory (NVM), such as at least one disk Memory. Optionally, the memory may also be at least one memory device located remotely from the processor.
The Processor may be a general-purpose Processor, including a Central Processing Unit (CPU), a Network Processor (NP), and the like; but also Digital Signal Processors (DSPs), Application Specific Integrated Circuits (ASICs), Field Programmable Gate Arrays (FPGAs) or other Programmable logic devices, discrete Gate or transistor logic devices, discrete hardware components.
In the above embodiments, the implementation may be wholly or partially realized by software, hardware, firmware, or any combination thereof. When implemented in software, may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When loaded and executed on a computer, cause the processes or functions described in accordance with the embodiments of the invention to occur, in whole or in part. The computer may be a general purpose computer, a special purpose computer, a network of computers, or other programmable device. The computer instructions may be stored in a computer readable storage medium or transmitted from one computer readable storage medium to another, for example, from one website site, computer, server, or data center to another website site, computer, server, or data center via wired (e.g., coaxial cable, fiber optic, Digital Subscriber Line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.). The computer-readable storage medium can be any available medium that can be accessed by a computer or a data storage device, such as a server, a data center, etc., that incorporates one or more of the available media. The usable medium may be a magnetic medium (e.g., floppy Disk, hard Disk, magnetic tape), an optical medium (e.g., DVD), or a semiconductor medium (e.g., Solid State Disk (SSD)), among others.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
All the embodiments in the present specification are described in a related manner, and the same and similar parts among the embodiments may be referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, as for the method and electronic device embodiments, since they are substantially similar to the device embodiments, the description is relatively simple, and for the relevant points, reference may be made to the partial description of the method embodiments.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.

Claims (10)

1. An intelligent dc power distribution apparatus, comprising: the system comprises an alternating current detection module, a direct current detection module, a micro control Module (MCU), a remote monitoring platform and a load control module; the system comprises an alternating current detection module, a direct current detection module, a load control module, a micro control module MCU, a remote monitoring platform and a power supply system, wherein the alternating current detection module is connected to a mains supply in the power supply system, the direct current detection module and the load control module are connected to a direct current supply in the power supply system, the micro control module MCU is connected with the alternating current detection module based on a UART communication mode, the direct current detection module and the load control module are connected with the micro control module MCU, and the remote monitoring platform is connected;
under power supply system adopts the circumstances of mains supply power supply, exchange detection module collection mains supply's interchange state information, and according to exchange state information monitoring mains supply's power supply state information, it includes to exchange state information: the power supply state information comprises the following voltage values and current values: whether normal power supply, active power, reactive power, power factor, and power consumption are performed;
the direct current detection module monitors direct current state information of the direct current power supply, wherein the direct current state information comprises: a voltage value and a current value;
the load control module is used for controlling the on-off of a load loop in the power supply system according to the instruction of the micro control module MCU;
the micro control module MCU reads the alternating current state information, the power supply state information and the direct current state information, determines the power supply state of the mains supply according to the read information, accumulates the direct current electric energy consumed by a load in the power supply system by using the direct current state information when the mains supply is determined to be powered off, and sends a control instruction to the load control module when the accumulated direct current electric energy reaches the limited power consumption electric energy, and the load control module acts to cut off the load;
and the micro control module MCU sends the alternating current state information, the power supply state information and the direct current state information to the remote monitoring platform, so that the remote monitoring platform displays the alternating current state information, the power supply state information and the direct current state information.
2. The intelligent DC power distribution apparatus of claim 1,
and the MCU judges whether the voltage value in the direct current state information reaches a preset voltage threshold value or not under the condition that the commercial power supply is powered off according to the read information, and if so, the load is cut off.
3. The intelligent DC power distribution apparatus of claim 1,
and the micro control module MCU counts the power supply time of the direct current power supply under the condition that the commercial power supply is powered off according to the read information, and cuts off the load under the condition that the power supply time reaches the limited standby power time.
4. The intelligent DC power distribution apparatus of any one of claims 1-3,
and the micro control module MCU judges whether the current moment is in the duty-free on-off control time period or not, and cuts off the load under the condition that the current moment is in the duty-free on-off control time period.
5. The intelligent DC power distribution apparatus of claim 1,
and the MCU counts the accumulated power consumption of the load according to the DC state information in a preset time period.
6. An intelligent direct current power distribution method applied to the intelligent direct current power distribution device of claims 1-5, the method comprising:
the method comprises the steps of collecting alternating current state information of a mains supply in a power supply system, and counting power supply state information of the mains supply according to the alternating current state information, wherein the alternating current state information comprises the following steps: the power supply state information comprises the following voltage values and current values: whether normal power supply, active power, reactive power, power factor, and power consumption are performed;
collecting direct current state information of a direct current power supply in the power supply system, wherein the direct current state information comprises: a voltage value and a current value;
and determining the power supply state of the mains supply according to the read information, accumulating the direct current electric energy consumed by the load in the power supply system by using the direct current state information when the mains supply is determined to be powered off, and cutting off the load under the condition that the accumulated direct current electric energy reaches the limited power consumption electric energy.
7. The method of claim 6, further comprising:
and under the condition that the commercial power supply is determined to have power failure according to the read information, judging whether the voltage value in the direct current state information reaches a preset voltage threshold value or not, and if so, cutting off the load.
8. The method of claim 6, further comprising:
and under the condition that the commercial power supply is determined to have power failure according to the read information, counting the power supply time of the direct-current power supply, and under the condition that the power supply time reaches the limited standby power time, cutting off the load.
9. The method of any one of claims 6-8, further comprising:
and judging whether the current moment is within the duty-free on-off control time period or not, and cutting off the load under the condition that the moment is within the duty-free on-off control time period.
10. An electronic device is characterized by comprising a processor, a communication interface, a memory and a communication bus, wherein the processor and the communication interface are used for realizing mutual communication by the memory through the communication bus;
a memory for storing processor-executable instructions;
a processor adapted to perform the method steps of any of claims 6-9 when executing instructions stored in the memory.
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Application publication date: 20201215