CN108803431A - A kind of more equipment power supply management devices, connection method and system - Google Patents
A kind of more equipment power supply management devices, connection method and system Download PDFInfo
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- CN108803431A CN108803431A CN201810746220.7A CN201810746220A CN108803431A CN 108803431 A CN108803431 A CN 108803431A CN 201810746220 A CN201810746220 A CN 201810746220A CN 108803431 A CN108803431 A CN 108803431A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25257—Microcontroller
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Abstract
The present invention relates to the present invention to provide a kind of more equipment power supply management devices, which includes equipment supply input interface, equipment power supply output interface, load supplying output interface, wired communication bus interface, radio antenna.The present invention also provides a kind of connection methods and power supply management system, realize next stage power supply management device and the power supply management of follow-up power load.Design through the invention can realize plant capacity, equipment starting current, the monitoring of equipment electricity consumption, record and the early warning of electrical equipment.
Description
Technical field
The present invention relates to Internet of Things, industrial control field, specially a kind of more equipment power supply management devices, connection method with
And system.
Background technology
In Internet of Things field and industrial control field, there is a large amount of equipment for needing to carry out supplied by AC/DC electricity, these set
It is standby that equipment power supply is carried out by the way of being directly articulated in exchange or direct current power supply loop, but this power supply mode is to every
The power consumption of a electrical equipment, starting current size, electricity consumption effectively can not be monitored and be recorded.
At present have part of the manufacturer in order to realize each electrical equipment electricity consumption record, using before each electrical equipment
The mode of one electric energy meter of end series connection carries out electric energy statistics, but which can only count the power consumption of electrical equipment, Wu Fajin
The remote transmission of the monitoring and information data of the starting current size of row electrical equipment transfinites in electricity consumption or starting current is super
Electrical equipment can not be cut off in limited time to protect current supply circuit, can not avoid the problem that electricity consumption is transfinited going out of causing current supply circuit to burn
It is existing.
There is part of the manufacturer by concatenating electric energy metering module in electrical equipment front end, and uses PLC programmable controller
Carry out the remote transmission of energy information data, but which wiring is complicated, the numerous more, volumes of equipment greatly, high failure rate, and
PLC programmable controller also has certain electric energy loss, the power supply management of improper small electrical equipment.
These defects mentioned above have become the technical issues of urgent need solves.
Invention content
The present invention devises a kind of more equipment power supply management devices, connection method and system.
Present invention employs following technical solutions：
A kind of more equipment power supply management devices, the power supply management device include equipment supply input interface, equipment power supply it is defeated
Outgoing interface, load supplying output interface, wired communication bus interface, radio antenna, it is characterised in that：Equipment supply input
Interface is separately connected bus loop for establishing by cable after equipment supply input for the input of equipment power supply by two power supply branches
It closes and load equipment power switch；Equipment power supply output interface, the input for connecting follow-up equipment power supply；Load supplying exports
Interface, for connecting power load equipment；Wired communication bus interface connects the wired of equipment power supply management core processing module
Bus communication chip realizes the pipe of power supply management device for completing the communication of the wired bus between multiple power supply management devices
Manage the interactive maintenance of data information；Radio antenna connects the wireless communication module in core processing module, completes multiple confessions
Wireless communication between electric managing device realizes the interactive maintenance of the management data information of power supply management device.
Further, the power supply management device further includes bus loop power switch, the bus loop power switch
Equipment supply input interface and equipment power supply output interface are connected, for controlling the follow-up concatenated all management dresses of managing device
Set the power supply with electrical equipment；The bus loop power switch includes bus loop control relay, bus loop control
Relay is controlled by the I/O pin of power supply management core processing module, is used for the power switch of controlling bus branch of a circuit；It is described
Bus loop power switch is using giving tacit consent to normally closed pattern so that managing device equipment supply input interface and is set in normal work
Standby output interface remains conducting state.
Further, the power supply management device further includes load equipment power switch, the load equipment power switch
Connect equipment supply input interface and load supplying output interface, the power supply management for controlling power load equipment；It is described negative
It includes load equipment control relay to carry equipment power switch, which controls relay by power supply management core processing mould
The I/O pin of block controls the power switch for controlling load equipment branch；Load equipment power switch is using the normally opened mould of acquiescence
Formula so that the power load equipment acquiescence being managed is in power supply off-state.
Further, the power supply management device further includes equipment power supply management power conversion module, equipment power supply management
Core processing module and electric energy metering module；Equipment power supply management power conversion module is used for managing device each section module
Power supply；Equipment power supply management core processing module connects bus loop power switch and load equipment power switch, for into
The power supply management of row managing device and power load；Electric energy metering module connects equipment power supply management core processing module, passes through
The power supply of electric energy computation chip pair two branches carry out electric energy statistical meterings, and record the electric current of power supply, voltage, power, power because
Element.
Further, the equipment supply input interface has tri- connecting terminals of L, N, E, connects the fire of supply input respectively
Line, zero curve, ground wire or higher level's power supply management device equipment power supply output interface L, N, E；The equipment connects for electricity output
Mouth has tri- connecting terminals of L, N, E, meets L, N, E of subordinate's power supply management device respectively；The load supplying output interface tool
There are tri- connecting terminals of L, N, E, connects power load equipment firewire, zero curve, ground wire respectively；The wired communication bus interface includes
RS485 communication interfaces are used for the RS485 chips of RS485 chips in power supply management core processing module and other managing devices
It is attached, completes the information exchange between power supply management device；The radio antenna includes SMA antenna pedestals, for will be for
The feeder line that wireless communication module in fulgurite reason core processing module is drawn is fixed on the circuit board of device, while external connection
Antenna, with ensure device wireless communication it is reliable；The equipment power supply management power conversion module includes the conversion of AC/DC power supplys
AC power is converted to DC power supply by module, to power supply management core processing module, electric energy computation chip, waveform sampling electricity
Press sample circuit, the first, second waveform sampling current sampling circuit, electrical energy measurement voltage branch circuit, bus loop control after
Electric appliance, load equipment control relay are powered；The equipment power supply management core processing module, the inside modules have
CPU processor, wireless communication module, wire communication chip, and complete wave using the ADC sampling units that CPU processor carries
Shape voltage sample, the sampling of bus loop branch current, the sampling of power load branch current, and carry out at the analysis of sample waveform
Reason to identify whether to occur harmonic signal or abnormal spike problem, while passing through UART ports and electrical energy measurement core
Piece is communicated, and the electrical energy measurement of two power supply branches is completed.
Further, the electric energy metering module includes electrical energy measurement bleeder circuit, the first electrical energy measurement current sampling electricity
Road, the second electrical energy measurement current sampling circuit, electric energy computation chip, electrical energy measurement correct terminal；Wherein, electrical energy measurement partial pressure electricity
Road carries out partial pressure for supply voltage signal and inputs to the acquisition that electric energy computation chip carries out voltage signal；First electrical energy measurement
Current sampling circuit for being sampled to the current signal to bus loop branch, and completes bus by electric energy computation chip
The metering of branch of a circuit electric energy；Second electrical energy measurement current sampling circuit is carried out for the current signal to power load branch
Sampling, and by the metering of electric energy computation chip completion power load branch electric energy；Electric energy computation chip returns bus for completing
Power, power factor (PF), the electricity consumption of the connect load of road branch and power load branch carry out statistics calculating, and pass through UART interface
The result that statistics calculates is transferred to power supply management core processing module；Electrical energy measurement corrects terminal, for inputting standard electric energy
Signal carries out measurement and calibration to electric energy computation chip, improves the precision of electrical energy measurement.
Further, more equipment power supply management devices further include waveform sampling module, the waveform sampling module packet
Include waveform sampling voltage sampling circuit, first waveform sample rate current sample circuit, the second waveform sampling current sampling circuit and
Reference power supply connects equipment power supply management core processing module, by high-speed ADC sampling to the voltage and current of two power supply branches
It is sampled, and voltage current waveform analysis is carried out by equipment power supply management core processing module, judge whether current supply circuit has
Abnormal harmonic signal or abnormal spike signal occur, and carry out abnormal harmonic wave alarm；Wherein, waveform sampling voltage sample
Circuit for carrying out bi-directional scaling to supply voltage, and adjusts voltage volt value and is fluctuated for 0-3V, then by the voltage after adjustment
It inputs power supply management core processing module and carries out ADC samplings and waveform analysis；First waveform sample rate current sample circuit, for pair
The electric current of bus loop branch carries out bi-directional scaling, and current signal is converted to voltage signal, then by transformed electricity
Signal input power supply management core processing module is pressed to carry out ADC samplings and waveform analysis；Second waveform sampling current sampling circuit,
Bi-directional scaling is carried out for the electric current to power load branch, and current signal is converted into voltage signal, it then will conversion
Voltage signal input power supply management core processing module afterwards carries out ADC samplings and waveform analysis；Reference power supply is adopted for waveform
During sample, stable reference power supply is provided for voltage and current sample circuit, improves the precision of waveform sampling analysis.
Further, the power supply management core processing module includes CPU processor, wireless communication module, wired bus
Communication chip, FLASH storage chips, RTC clock chip, ADC sampling protections circuit, DC/DC power conversion modules；Wherein CPU
Processor realizes that the core processing of power supply management device calculates using STM32F103RC chips；Wireless communication module uses
LX1278 chips carry out the transmitting-receiving of wireless messages；Wired bus communication chip carries out wired bus communication using MAX485 chips；
FLASH storage chips realize that the record of electricity consumption, record per minute simultaneously store a power load equipment using M25P32 chips
Voltage, electric current, power, power factor (PF), consumption electric energy；RTC clock chip realizes RTC clock meter using DS1302 chips
When, the record according to the RTC clock power information per minute for carrying out power load equipment；ADC sampling protection circuits, using 3V
TVS pipe protect ADC sample circuits to be input to the voltage of CPU processor ADC pins, when input voltage is excessively high, TVS pipe is released
Fall extra-high voltage；DC/DC power conversion modules are converted to the DC5V power supplys of the input of power supply management device using LM1117
DC3.3V power supplys are powered to the various pieces of core processing module, while being powered protection to core processing module.
A kind of connection method of more equipment power supply management devices is used for the connection of multiple power supply management devices, special
Sign is：The equipment supply input interface that supply input is accessed to power supply management device realizes total input of more equipment power supplies；For
The load supplying output interface of electric managing device connects power load equipment, realizes the power supply management of power load；By upper level
The equipment power supply output interface of power supply management device is connected with the equipment supply input interface of next stage power supply management device, real
Now level-one power supply management device and the power supply management of follow-up power load；Power supply management device is total by respective wire communication
Line is connected, and it is respective wireless to realize that information exchange and communication and/or power supply management device between power supply management device pass through
Communication antenna carries out wireless communication, and realizes the information exchange between power supply management device and communication.
A kind of power supply management system, it is characterised in that：The power supply management system include management server, it is at least one as above
State power supply management device；The power supply management device is connected with management server and power load respectively, at least one confession
Electric managing device is connected to each other by equipment power supply output interface；Previous stage power supply management device passes through two power supply branch difference
Manage the electricity consumption for the power load that it is connected and the power supply management device that is connected and its follow-up all power supply managements dresses
The sum of power load set；Previous stage power supply management device manages electric current, the electricity of power load by load supplying output interface
Pressure, power, power factor (PF), power consumption, power supply harmonic wave and power supply spike are finding that the appearance of power load equipment is abnormal, consumption
Electricity is excessively high or power consumption is too low, electricity consumption is more than setting threshold values, electrical equipment causes circuit harmonic wave or spike abnormal
When, management information is transferred to by management server by wired or wireless communication.
A kind of connection method of more equipment power supply management devices, for the company between power supply management device and electrical equipment
It connects, it is characterised in that：The wired communication bus of the wired communication bus interface of the power supply management device and electrical equipment is connect
Mouth is connected, and receives the essential information and operating status of electrical equipment, and controlled to electrical equipment based on the information received
Tubulation is managed.
A kind of connection method of more equipment power supply management devices, for the company between power supply management device and electrical equipment
It connects, it is characterised in that：The radio antenna of the power supply management device is connected with the radio antenna of electrical equipment,
The essential information and operating status of electrical equipment are received, and control management is carried out to electrical equipment based on the information received.
The beneficial effects of the invention are as follows：Design through the invention can realize that the plant capacity of electrical equipment, equipment open
Streaming current, the monitoring of equipment electricity consumption and record, and antenna or wired communication interface will record information hair by radio communication
Monitoring management server-centric is given, when discovering device power and electricity consumption have exceeded the threshold values of setting, automatically cuts off electricity consumption
Equipment is powered；And can multiple equipment simultaneously powered operation during find current supply circuit bus on have harmonic signal or
When abnormal spike occurs, analyzing and diagnosing is carried out, the electrical equipment to throw into question is disconnected by controlling switch, protects other use
The stable operation of electric equipment.
Description of the drawings
By reading the detailed description of hereafter preferred embodiment, various other advantages and benefit are common for this field
Technical staff will become clear.Attached drawing only for the purpose of illustrating preferred embodiments, and is not considered as to the present invention
Limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings：
Fig. 1 is the structure diagram of the power supply management device of the present invention；
Fig. 2 is the power supply connection diagram between two power supply management devices；
Fig. 3 is the power supply connection diagram between N number of power supply management device；
Fig. 4 is a kind of composed structure schematic diagram of power supply management device；
Fig. 5 is a kind of electrical block diagram of power supply management device；
Fig. 6 is another composed structure schematic diagram of power supply management device；
Fig. 7 is another electrical block diagram of power supply management device；
Fig. 8 is the structural schematic diagram of power supply management core processing module；
Fig. 9 is the structural schematic diagram of power supply management system；
Figure 10 is the connection diagram between power supply management device and electrical equipment；
The invention will be further described with reference to the accompanying drawings and embodiments.
Specific implementation mode
Present invention is further described in detail With reference to embodiment：
The structural schematic diagram of more equipment power supply management devices of the present invention is as shown in Figure 1.More equipment power supply management devices
Including：It is equipment supply input interface, equipment power supply output interface, load supplying output interface, wired communication bus interface, wireless
Communication antenna.It is of the invention by more equipment power supply management devices abbreviation " power supply management device " for convenience of explanation.
Power supply connection diagram between two power supply management devices is as shown in Fig. 2, specifically include：1) previous for fulgurite
The equipment power supply output interface of reason device connects the equipment supply input interface of the latter power supply management device；2) every grade for fulgurite
The load supplying output interface for managing device connects a user load equipment；3) the equipment power supply of first power supply management device is defeated
Incoming interface connects supply input circuit, completes to the power supply of all power supply management devices and power load equipment；4) each is supplied
Fulgurite manages the electricity consumption situation of one power load equipment of device management；5) the load supplying output interface of each power supply management device
The electricity consumption situation of the power load equipment of device connection is only managed, and equipment power supply output interface manages all power supplies of rear class
The sum of the electricity consumption of managing device and power load equipment.
Power supply connection diagram between N number of power supply management device is as shown in figure 3, specifically include：1) supply input is connect
The equipment supply input interface for entering managing device 1 realizes total input of more equipment power supplies；2) load supplying of managing device 1 is defeated
Outgoing interface connects power load device A, realizes the power supply management of power load A；3) equipment of managing device 1 is connect for electricity output
Mouthful be connected with the equipment supply input interface of managing device 2, realize managing device 2 and subsequently power load equipment for fulgurite
Reason；4) wired communication bus of managing device 1 is connected with the wired communication bus of managing device 2, between realization managing device
Information exchange and communication；5) radio antenna of managing device 1 and the radio antenna of managing device 2 carry out channel radio
Letter realizes the information exchange between managing device and communication；6) the load supplying output interface of managing device 2 connects power load
Equipment B realizes the power supply management of power load B；7) by the equipment of the equipment of managing device 2 power supply output interface managing device 3
Supply input interface is connected, and so on, realize the power supply management of managing device N and power load equipment N.
A kind of composed structure schematic diagram of power supply management device is as shown in figure 4, more equipment power supply management devices include：If
Available electricity input interface, equipment power supply output interface, load supplying output interface, wired communication bus interface, wireless communication day
Line, bus loop power switch, load equipment power switch, equipment power supply management power conversion module, equipment power supply management core
Heart processing module, waveform sampling module and electric energy metering module.
1) equipment supply input interface passes through two power supply branches for the input of equipment power supply after equipment supply input
It is separately connected bus loop power switch and load equipment power switch；
2) bus loop power switch connects equipment supply input interface and equipment power supply output interface, is used for control pipe
Manage the power supply of the follow-up concatenated all managing devices and electrical equipment of device；
3) load equipment power switch connects equipment supply input interface and load supplying output interface, is used for controlling
The power supply management of electric loading equipment；
4) equipment power supply output interface, the input for connecting follow-up equipment power supply；
5) load supplying output interface, for connecting power load equipment；
6) equipment power supply management power conversion module is used for the power supply of managing device each section module；
7) equipment power supply management core processing module connects bus loop power switch and load equipment power switch, uses
In the power supply management for being managed device and power load；
8) waveform sampling module connects equipment power supply management core processing module, is powered to two by high-speed ADC sampling
The voltage and current of branch is sampled, and carries out voltage current waveform analysis by equipment power supply management core processing module, is judged
Whether current supply circuit has abnormal harmonic signal or abnormal spike signal to occur, and carries out abnormal harmonic wave alarm；
9) electric energy metering module connects equipment power supply management core processing module, passes through two confessions of electric energy computation chip pair
Electric branch carries out electric energy statistical metering, and records the electric current of power supply, voltage, power, power factor (PF)；
10) wired communication bus interface connects the wire communication chip of equipment power supply management core processing module, has been used for
At the wired bus communication between multiple power supply management devices, the interaction pipe of the management data information of power supply management device is realized
Reason；
11) radio antenna connects the wireless communication chips in core processing module, completes multiple power supply management devices
Between wireless communication, realize power supply management device management data information interactive maintenance.
Bus loop power switch in the managing device of the present invention is using the normally closed pattern of acquiescence so that managing device is just
Often equipment supply input interface and equipment output interface remain conducting state when work, when bearing for follow-up management device management
Carry capacity surmounted core processing module setting maximum threshold or follow-up management device need carry out repair and replacement when, core
Heart processing module is switched by control signal wire controlling bus loop power supply, disconnects loop power supply.
Load equipment power switch in power supply management device is using acquiescence always-on so that the power load being managed
Equipment acquiescence receives wireless instructions, has after line or at core in power supply off-state, only core processing module
The timer instruction for managing inside modules, just opens the power supply to power load equipment.Meanwhile each managing device 1-n is to electricity consumption
The unlatching power supply of load equipment uses Time-sharing control, avoids together pair so power load equipment carries out unlatching power supply, causing to supply
Electrical circuit starting current is excessive and occurs the problem of burning supply line.When the power consumption of power load equipment is excessive, or consumption
Electric energy when being more than the threshold values set in core processing module, core processing module controls load equipment by control signal wire
Power switch disconnects the power supply to power load equipment.
Waveform sampling module uses high-speed ADC chip, with the electricity of 1000 sample rates pair, two power supply branches per second
Pressure, current waveform carry out high-speed sampling, and the harmonic wave of management will be powered in the data transmission to core processing module after sampling
Detection and analysis, when power supply process power load equipment leads to have abnormal harmonic signal or abnormal spike arteries and veins on current supply circuit
When rushing signal and occurring, which is disconnected by load equipment power switch, and carry out harmonic wave alarm, is used to avoid certain
The problem of electric loading equipment influences electrical stability and leads to other power load equipment damages occurs.
Electric energy metering module uses electric energy computation chip, to negative in the electric current of two power supply branches, voltage, power supply branch
Active power, reactive power, power factor (PF) and the electric energy of load equipment consumption for carrying equipment are measured and are counted, and will metering
In the data transmission to core processing module of statistics, when the electric energy of load equipment consumption is more than the threshold values of setting, pass through load
Equipment power switch disconnects electrical equipment, and carries out electricity consumption and transfinite alarm, can manage numerous use in real time by this method
Electric equipment.
By two power switch close to two output interfaces, when guarantee two is switched on and disconnected, waveform sampling mould
Block and electric energy metering module are online always, the system of the occurrence of capable of monitoring abnormal electrical power supply in real time and electricity consumption electric energy
Meter.
A kind of electrical block diagram of power supply management device is as shown in Figure 5.Power supply management device includes：
1) equipment supply input interface, the interface have tri- connecting terminals of L, N, E, connect respectively supply input firewire,
L, N, E of the equipment power supply output interface of zero curve, ground wire or higher level's power supply management device；
2) equipment power supply output interface, the interface have tri- connecting terminals of L, N, E, connect subordinate's power supply management device respectively
L, N, E；
3) load supplying output interface, the interface have tri- connecting terminals of L, N, E, connect power load equipment fire respectively
Line, zero curve, ground wire；
4) waveform sampling module, including waveform sampling voltage sampling circuit, first waveform sample rate current sample circuit, second
Waveform sampling current sampling circuit and reference power supply.
Wherein, waveform sampling voltage sampling circuit for carrying out bi-directional scaling to supply voltage, and adjusts voltage volt value
It is fluctuated for 0~3V, the control source power supply management core processing module after adjustment is then subjected to ADC samplings and waveform analysis.
First waveform sample rate current sample circuit carries out bi-directional scaling for the electric current to bus loop branch, and will
Current signal is converted to voltage signal, and transformed voltage signal input power supply management core processing module is then carried out ADC
Sampling and waveform analysis.
Second waveform sampling current sampling circuit carries out carry out bi-directional scaling for the electric current to power load branch,
And current signal is converted into voltage signal, then transformed voltage signal input power supply management core processing module is carried out
ADC is sampled and waveform analysis.
Reference power supply, for during waveform sampling, stable reference power supply to be provided for voltage and current sample circuit,
Improve the precision of waveform sampling analysis.
5) electric energy metering module, including electrical energy measurement bleeder circuit, the first electrical energy measurement current sampling circuit, the second electric energy
Metering current sample circuit, electric energy computation chip, electrical energy measurement correct terminal.
Wherein, electrical energy measurement bleeder circuit carries out partial pressure for supply voltage signal and inputs to electric energy computation chip progress
The acquisition of voltage signal.
First electrical energy measurement current sampling circuit, for being sampled to the current signal to bus loop branch, and by
Electric energy computation chip completes the metering of bus loop branch electric energy.
Second electrical energy measurement current sampling circuit, samples for the current signal to power load branch, and by electricity
Energy computation chip completes the metering of power load branch electric energy.
Electric energy computation chip, for completing power, power to the connect load of bus loop branch and power load branch
Factor, electricity consumption carry out statistics calculating, and the result that statistics calculates is transferred to power supply management core processing by UART interface
Module.
Electrical energy measurement corrects terminal, for inputting standard electric power signal, carries out measurement and calibration to electric energy computation chip, improves
The precision of electrical energy measurement.
6) bus loop power switch, including bus loop control relay, and bus loop control relay is powered
The I/O pin of higher management processing module controls, and is used for the power switch of controlling bus branch of a circuit.
7) load equipment power switch, including load equipment control relay, and load equipment control relay is powered
The I/O pin of higher management processing module controls the power switch for controlling load equipment branch.
8) radio antenna, including SMA antenna pedestals are used for the radio communication mold in power supply management core processing module
The feeder line that block is drawn is fixed on the circuit board of device, while external connection antenna, with ensure device wireless communication it is reliable.
9) wired communication bus interface, including RS485 communication interfaces are used for power supply management core processing module
RS485 chips and the RS485 chips of other managing devices are attached, and complete the information exchange between power supply management device, in addition,
Wired communication bus interface can also include the other kinds of bus communication interface of CAN bus, I2C buses, spi bus etc..
10) power supply management core processing module, inside have CPU processor, wireless communication module, wire communication chip,
And complete waveform voltage sampling, the sampling of bus loop branch current, electricity consumption using the ADC sampling units that CPU processor carries
The sampling of load branch electric current, and the analyzing processing of sample waveform is carried out, it is sharp to identify whether to occur harmonic signal or exception
Peak pulse problem, while being communicated by UART ports and electric energy computation chip, complete the electric energy meter of two power supply branches
Amount；
11) equipment power supply management power conversion module, including AC/DC power conversion modules turn exchange AC220V power supplys
DC5V DC power supplies are changed to, to power supply management core processing module, electric energy computation chip, waveform sampling voltage sampling circuit, the
One, the second waveform sampling current sampling circuit, electrical energy measurement voltage branch circuit, bus loop control relay, load equipment
Control relay is powered.
The electric energy computation chip of the present invention uses RN8209 single-phase electric energy computation chips, the chip that can measure Liang Ge branches
The electric energy in circuit carries out the calculating of two circuit electric energy by sampling voltage signal, two-way current signal all the way, can calculate two
Electric current, voltage, active power, reactive power, power factor (PF), the circuit power consumption of a duplexure, and electric energy can be passed through
Metering correction terminal calibrates measuring parameter, the RN8209 single-phase electric energies computation chip by a UART communication interface and
The CPU processor of core processing module is communicated, complete the electric energy statistics of two duplexures and the transmission of energy information and
Management.
Two power supply branches of the present invention couple carry out waveform sampling and electrical energy measurement respectively, and what is sampled and measured is two
The L firewires of branch feeding；For N zero curves, the E baselines of two power supply branch output interfaces, carried out using the method connected nearby
Wiring.
When two power supply branches of the present invention couple carry out waveform sampling and electrical energy measurement sampling, since bus loop branch is pair
The power supply management of all electrical equipments of rear class, and power load branch is the power supply management to load equipment, so for bus
Branch of a circuit only needs that 1% sampling precision is kept just to be sufficient for management needs, and then needs to keep to electrical equipment branch
0.1% sampling precision.CPU is in Liang Ge branches waveform sampling and electric energy statistic processes, bus loop divides in core processing module
Branch and power load branch are 1 to cpu resource this consumption ratio:10, cpu resource is preferentially ensured that the waveform of power load branch is adopted
Sample and electric energy statistics.
Total electrical equipment overload current capability that the present invention manages as needed can select 5A, 10A, 20A, 30A to touch
The control relay of point capacity is driven when total electrical equipment overload current capability is more than 30A or more by intermediate relay
A.C. contactor powers to power load equipment.
The power supply management device of the present invention is not limited solely to the management to exchanging power load equipment, can also be same
Method carries out power consumption management to DC suppling equipment.Harmonic signal is being caused to current supply circuit without the concern for power load equipment
Or when exception spike interference, it can simplify and remove waveform sampling modular circuit, be set for direct current supply it is possible thereby to obtain
The standby power supply management device for carrying out power consumption management.
It is as shown in Figure 6 for the composed structure schematic diagram of the power supply management device of direct current.The power supply management device includes：If
Available electricity input interface, equipment power supply output interface, load supplying output interface, equipment power supply management core processing module, electricity
It can metering module, bus loop power switch, load equipment power switch, equipment power supply management power conversion module, channel radio
Believe antenna, wired communication bus interface composition.
It is as shown in Figure 7 for the electrical block diagram of the power supply management device of direct current.Power supply management device includes：1)
Equipment supply input interface, 2) equipment power supply output interface, 3) load supplying output interface；
4) electric energy metering module, by voltage sampling circuit, the first current sampling circuit, the second current sampling circuit and base
Power supply of standing forms；
Wherein, voltage sampling circuit is used for the sampling of supply voltage, is divided by precision resister, then inputted
The adjustment that voltage volt value is carried out to operational amplifier carries out voltage by the ADC units of the CPU processor in core processing module
The sampling and calculating of volt value；
First current sampling circuit, the acquisition for carrying out electric current in bus loop are believed electric current by precision resister
Number voltage signal is converted to, the adjustment that operational amplifier carries out voltage volt value is then inputed to, by core processor module
CPU processor ADC units carry out electric current sampling；
Second current sampling circuit, the current acquisition for carrying out power load；
Base station power, the benchmark for voltage and current sample circuit sample source, improve the sampling precision of voltage and current signal；
5) power supply management core processing module, calculating and the system of acquisition and power for two power supply branch current voltage
Meter, sampling period are 500 times per second, when finding supply voltage and load current beyond setting threshold values, carry out off-limit alarm, and
Duplexure power supply is disconnected by controlling relay；
6) bus loop power switch, including bus loop control relay, for control device power supply output interface
Power supply, control instruction are sent by core processing module；
7) load equipment power switch, including load equipment control relay, for controlling load supplying output interface
Power supply, control instruction are sent by core processing module；
8) wired communication bus interface, including RS485 communication interfaces, for connecting between other power supply unit managing devices
RS485 is communicated, the data information interaction between realization device；
9) radio antenna, including SMA antenna pedestals, for fixed antenna feeder line and connect antenna；
10) equipment power supply management power conversion module, including DC/DC power conversion modules are used for the DC of supply input
DC power supply is converted to the DC power supply of a module for power supply.
The wired communication bus interface of the present invention uses RS485 bus interface in the present embodiment, realizes multiple for fulgurite
The wire communication between device is managed, according to different communication requirements, CAN interface, I2C bus interface, SPI can also be used
The bus interface of other wire communications such as bus interface realizes the wire communication between multiple power supply management devices.
The bus loop control relay acquiescence of the present invention uses normally closed pattern, and bus loop power supply is using control relay
Central contact and normally-closed contact carry out bus loop power supply control.
The apparatus of load control relay acquiescence of the present invention uses always-on, and load equipment power supply is using control relay
Central contact and normally opened contact carry out load equipment power supply control.
The structural schematic diagram of power supply management core processing module is as shown in Figure 8.The processing module includes：
1) CPU processor realizes that the core processing of power supply management device calculates using STM32F103RC chips；2) wireless
Communication module carries out the transmitting-receiving of wireless messages using LX1278 chips；3) wired bus communication chip, using MAX485 chips into
Row wired bus communicates；4) FLASH storage chips realize that the record of electricity consumption, record per minute are simultaneously deposited using M25P32 chips
Store up the voltage of a power load equipment, electric current, power, power factor (PF), consumption electric energy；5) RTC clock chip uses
DS1302 chips realize RTC clock timing, the note according to the RTC clock power information per minute for carrying out power load equipment
Record；6) ADC samplings protection circuit, protects ADC sample circuits to be input to the electricity of CPU processor ADC pins using the TVS pipe of 3V
Pressure, when input voltage is excessively high, TVS pipe is released extra-high voltage；7) DC/DC power conversion modules, will be for fulgurite using LM1117
The DC5V power supplys for managing the input of device are converted to DC3.3V power supplys, are powered to the various pieces of core processing module, simultaneously
It is powered protection to core processing module.
The structural schematic diagram of power supply management system is as shown in Figure 9.The power supply management system includes at least two power supply managements
Device and management server.Wherein, 1) managing device 1 by two power supply branch management power load device A electricity consumption and
Managing device 2 and its sum of the power load of follow-up all management；2) managing device 2 manages electricity consumption by two power supply analysis and bears
The electricity consumption and managing device 3 of load equipment B and its sum of the power load of follow-up all management；3) and so on, previous stage pipe
It is humorous by the electric current of load supplying output interface management power load, voltage, power, power factor (PF), power consumption, power supply to manage device
Wave and power supply spike are finding that it is abnormal that power load equipment occurs, and power consumption is excessively high or power consumption is too low, electricity consumption is super
It crosses setting threshold values, when electrical equipment leads to circuit harmonic wave or spike exception, is believed management by wired or wireless communication
Breath is transferred to management server；4) likewise, previous stage managing device manages rear stage management by equipment power supply output interface
The electrical equipment that device is connected with it passes through high-precision electric energy measuring management module；5) pass through high-precision electrical energy measurement
Metering and statistics of the module to more equipment electricity consumptions, can measure the electricity consumption of power load device A, B, C ... N in real time
Amount.
Figure 10 is the connection diagram between power supply management device and electrical equipment.By the wired of the power supply management device
Communication bus interface is connected with the wired communication bus interface of electrical equipment, receives the essential information and operation shape of electrical equipment
State, and control management is carried out to electrical equipment based on the information received.Or by the wireless communication of the power supply management device
Antenna is connected with the radio antenna of electrical equipment, receives the essential information and operating status of electrical equipment, and is based on connecing
The information received carries out control management to electrical equipment.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, the change or replacement that can be readily occurred in,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of the claim
Subject to enclosing.
Claims (12)
1. a kind of more equipment power supply management devices, which includes equipment supply input interface, equipment for electricity output
Interface, load supplying output interface, wired communication bus interface, radio antenna, it is characterised in that：
Equipment supply input interface is connected after equipment supply input by two power supply branches respectively for the input of equipment power supply
Connect bus loop power switch and load equipment power switch；
Equipment power supply output interface, the input for connecting follow-up equipment power supply；
Load supplying output interface, for connecting power load equipment；
Wired communication bus interface connects the wired bus communication chip of equipment power supply management core processing module, for completing
The interactive maintenance of the management data information of power supply management device is realized in wired bus communication between multiple power supply management devices；
Radio antenna connects the wireless communication module in core processing module, completes between multiple power supply management devices
Wireless communication realizes the interactive maintenance of the management data information of power supply management device.
2. more equipment power supply management devices according to claim 1, it is characterised in that：
The power supply management device further includes bus loop power switch, and the bus loop power switch connection equipment power supply is defeated
Incoming interface and equipment power supply output interface, for controlling the follow-up concatenated all managing devices and electrical equipment of managing device
Power supply；
The bus loop power switch includes bus loop control relay, which controls relay by power supply management
The I/O pin of core processing module controls, and is used for the power switch of controlling bus branch of a circuit；
The bus loop power switch is using the normally closed pattern of acquiescence so that managing device equipment supply input in normal work
Interface and equipment output interface remain conducting state.
3. more equipment power supply management devices according to claim 1, it is characterised in that：
The power supply management device further includes load equipment power switch, and the load equipment power switch connection equipment power supply is defeated
Incoming interface and load supplying output interface, the power supply management for controlling power load equipment；
The load equipment power switch includes load equipment control relay, which controls relay by power supply management
The I/O pin of core processing module controls the power switch for controlling load equipment branch；
Load equipment power switch is using acquiescence always-on so that the power load equipment acquiescence being managed is in for electrically disconnected
State.
4. more equipment power supply management devices according to claim 1, it is characterised in that：
The power supply management device further include equipment power supply management power conversion module, equipment power supply management core processing module with
And electric energy metering module；
Equipment power supply management power conversion module is used for the power supply of managing device each section module；
Equipment power supply management core processing module connects bus loop power switch and load equipment power switch, for carrying out
The power supply management of managing device and power load；
Electric energy metering module connects equipment power supply management core processing module, passes through two power supply branches of electric energy computation chip pair
Electric energy statistical metering is carried out, and records the electric current of power supply, voltage, power, power factor (PF).
5. more equipment power supply management devices according to claim 1, it is characterised in that：
The equipment supply input interface has tri- connecting terminals of L, N, E, connects the firewire, zero curve, ground wire of supply input respectively
Or L, N, E of the equipment power supply output interface of higher level's power supply management device；
The equipment power supply output interface has tri- connecting terminals of L, N, E, meets L, N, E of subordinate's power supply management device respectively；
The load supplying output interface have tri- connecting terminals of L, N, E, connect respectively power load equipment firewire, zero curve,
Line；
The wired communication bus interface includes RS485 communication interfaces, is used for RS485 cores in power supply management core processing module
Piece and the RS485 chips of other managing devices are attached, and complete the information exchange between power supply management device；
The radio antenna includes SMA antenna pedestals, is used for the wireless communication module in power supply management core processing module
The feeder line of extraction is fixed on the circuit board of device, while external connection antenna, with ensure device wireless communication it is reliable；
The equipment power supply management power conversion module includes AC/DC power conversion modules, and AC power is converted to direct current
Source, to power supply management core processing module, electric energy computation chip, waveform sampling voltage sampling circuit, the first, second waveform sampling
Current sampling circuit, electrical energy measurement voltage branch circuit, bus loop control relay, load equipment control relay are supplied
Electricity；
The equipment power supply management core processing module, the inside modules have CPU processor, wireless communication module, cable modem
Believe chip, and the ADC sampling units carried using CPU processor complete waveform voltage sampling, bus loop branch current is adopted
The sampling of sample, power load branch current, and carry out the analyzing processing of sample waveform, with identify whether to occur harmonic signal or
Abnormal spike problem, while being communicated by UART ports and electric energy computation chip, complete two branches of powering
Electrical energy measurement.
6. more equipment power supply management devices according to claim 1, it is characterised in that：
The electric energy metering module includes electrical energy measurement bleeder circuit, the first electrical energy measurement current sampling circuit, the second electric energy meter
It measures current sampling circuit, electric energy computation chip, electrical energy measurement and corrects terminal；
Wherein, electrical energy measurement bleeder circuit carries out partial pressure for supply voltage signal and inputs to electric energy computation chip progress voltage
The acquisition of signal；
First electrical energy measurement current sampling circuit, for being sampled to the current signal to bus loop branch, and by electric energy
Computation chip completes the metering of bus loop branch electric energy；
Second electrical energy measurement current sampling circuit, samples for the current signal to power load branch, and by electric energy meter
Measure the metering that chip completes power load branch electric energy；
Electric energy computation chip, for complete the power to the connect load of bus loop branch and power load branch, power factor (PF),
Electricity consumption carries out statistics calculating, and the result that statistics calculates is transferred to power supply management core processing module by UART interface；
Electrical energy measurement corrects terminal, for inputting standard electric power signal, carries out measurement and calibration to electric energy computation chip, improves electric energy
The precision of metering.
7. more equipment power supply management devices according to claim 1, it is characterised in that：More equipment power supply management devices
Further include waveform sampling module, the waveform sampling module includes waveform sampling voltage sampling circuit, first waveform sample rate current
Sample circuit, the second waveform sampling current sampling circuit and reference power supply connect equipment power supply management core processing module, lead to
Cross high-speed ADC sampling to two power supply branches voltage and current sample, and by equipment power supply management core processing module into
Row voltage current waveform is analyzed, and judges whether current supply circuit has abnormal harmonic signal or abnormal spike signal to occur, and
Carry out abnormal harmonic wave alarm；
Wherein, waveform sampling voltage sampling circuit, for carrying out bi-directional scaling to supply voltage, and it is 0- to adjust voltage volt value
3V is fluctuated, and the control source power supply management core processing module after adjustment is then carried out ADC samplings and waveform analysis；
First waveform sample rate current sample circuit, for carrying out bi-directional scaling to the electric current of bus loop branch, and by electric current
Signal is converted to voltage signal, and transformed voltage signal input power supply management core processing module is then carried out ADC samplings
And waveform analysis；
Second waveform sampling current sampling circuit, for carrying out bi-directional scaling to the electric current of power load branch, and by electric current
Signal is converted to voltage signal, and transformed voltage signal input power supply management core processing module is then carried out ADC samplings
And waveform analysis；
Reference power supply is improved for during waveform sampling, stable reference power supply to be provided for voltage and current sample circuit
The precision of waveform sampling analysis.
8. more equipment power supply management devices according to claim 1, it is characterised in that：
The power supply management core processing module includes CPU processor, wireless communication module, wired bus communication chip, FLASH
Storage chip, RTC clock chip, ADC sampling protections circuit, DC/DC power conversion modules；
Wherein CPU processor realizes that the core processing of power supply management device calculates using STM32F103RC chips；
Wireless communication module carries out the transmitting-receiving of wireless messages using LX1278 chips；
Wired bus communication chip carries out wired bus communication using MAX485 chips；
FLASH storage chips realize that the record of electricity consumption, record per minute simultaneously store a power load using M25P32 chips
The voltage of equipment, electric current, power, power factor (PF), consumption electric energy；
RTC clock chip realizes RTC clock timing, according to RTC clock carry out power load per minute using DS1302 chips
The record of the power information of equipment；
ADC sampling protection circuits, protect ADC sample circuits to be input to the electricity of CPU processor ADC pins using the TVS pipe of 3V
Pressure, when input voltage is excessively high, TVS pipe is released extra-high voltage；
The DC5V power supplys of the input of power supply management device are converted to DC3.3V electricity by DC/DC power conversion modules using LM1117
Source is powered to the various pieces of core processing module, while being powered protection to core processing module.
9. a kind of connection method of more equipment power supply management devices is used for the connection of multiple power supply management devices, feature
It is：
The equipment supply input interface that supply input is accessed to power supply management device realizes total input of more equipment power supplies；
The load supplying output interface of power supply management device connects power load equipment, realizes the power supply management of power load；
By the equipment supply input of equipment the power supply output interface and next stage power supply management device of upper level power supply management device
Interface is connected, and realizes next stage power supply management device and the power supply management of follow-up power load；
Power supply management device is connected by respective wired communication bus, realize power supply management device between information exchange and
Communication and/or power supply management device are carried out wireless communication by respective radio antenna, between realization power supply management device
Information exchange and communication.
10. a kind of power supply management system, it is characterised in that：The power supply management system includes management server, at least one such as power
Profit requires the power supply management device described in one of 1-8；
The power supply management device is connected with management server and power load respectively, and at least one power supply management device is logical
Equipment power supply output interface is crossed to be connected to each other；
Previous stage power supply management device by two power supply branches manage respectively the power load that it is connected electricity consumption and
The sum of the power load of the power supply management device and its follow-up all power supply management devices that are connected；
Previous stage power supply management device by load supplying output interface manage the electric current of power load, voltage, power, power because
Element, power consumption, harmonic wave of powering and power supply spike are finding that it is abnormal that power load equipment occurs, and power consumption is excessively high or consumes
When low battery, electricity consumption, which are more than setting threshold values, electrical equipment, leads to circuit harmonic wave or spike exception, by wired or
Management information is transferred to management server by wireless communication.
11. a kind of connection method of more equipment power supply management devices is filled for power supply management as described in one of claim 1-8
Set the connection between electrical equipment, it is characterised in that：
The wired communication bus interface of the power supply management device is connected with the wired communication bus interface of electrical equipment, is connect
The essential information and operating status of electrical equipment are received, and control management is carried out to electrical equipment based on the information received.
12. a kind of connection method of more equipment power supply management devices is filled for power supply management as described in one of claim 1-8
Set the connection between electrical equipment, it is characterised in that：
The radio antenna of the power supply management device is connected with the radio antenna of electrical equipment, electricity consumption is received and sets
Standby essential information and operating status, and control management is carried out to electrical equipment based on the information received.
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| CN201810746220.7A CN108803431A (en) | 2018-07-09 | 2018-07-09 | A kind of more equipment power supply management devices, connection method and system |
| CN201910399294.2A CN110058555B (en) | 2018-07-09 | 2019-05-14 | Equipment authentication method and device based on Internet of things |
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| CN201810746220.7A CN108803431A (en) | 2018-07-09 | 2018-07-09 | A kind of more equipment power supply management devices, connection method and system |
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| CN110346663A (en) * | 2019-07-04 | 2019-10-18 | 广东科瑞德电气科技有限公司 | A kind of method of electric locomotive by pyroelectric monitor terminal fault recording |
| CN110571874A (en) * | 2019-09-29 | 2019-12-13 | 北京特种机械研究所 | Cable network with multiple serial-number-position arrangement |
| CN111262339A (en) * | 2018-11-30 | 2020-06-09 | 华为技术有限公司 | Power supply method, power supply device and storage medium |
| CN114442723A (en) * | 2022-02-14 | 2022-05-06 | 昀迈(上海)物联网科技有限公司 | Cascade signal differential pressure correction, self-control standby power supply and protection circuit |
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| CN111726360A (en) * | 2020-06-19 | 2020-09-29 | 甘肃泰鑫科技发展有限公司 | Internet of things network information safety system |
| CN117978402A (en) * | 2024-01-18 | 2024-05-03 | 甘肃泰鑫科技发展有限公司 | Equipment authentication method and device based on Internet of things |
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| CN106790034B (en) * | 2016-12-15 | 2019-04-19 | 中国电子技术标准化研究院（（工业和信息化部电子工业标准化研究院）（工业和信息化部电子第四研究院）） | A kind of method of internet of things equipment certification and secure accessing |
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| CN109032001A (en) * | 2018-06-06 | 2018-12-18 | 武汉微智创大科技有限公司 | A kind of more equipment power supply management devices, connection method and system |
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| CN111262339A (en) * | 2018-11-30 | 2020-06-09 | 华为技术有限公司 | Power supply method, power supply device and storage medium |
| US11237583B2 (en) | 2018-11-30 | 2022-02-01 | Huawei Technologies Co., Ltd. | Method, device, and computer program product |
| CN111262339B (en) * | 2018-11-30 | 2022-05-17 | 华为技术有限公司 | Power supply method, power supply device and storage medium |
| CN110346663A (en) * | 2019-07-04 | 2019-10-18 | 广东科瑞德电气科技有限公司 | A kind of method of electric locomotive by pyroelectric monitor terminal fault recording |
| CN110571874A (en) * | 2019-09-29 | 2019-12-13 | 北京特种机械研究所 | Cable network with multiple serial-number-position arrangement |
| CN114442723A (en) * | 2022-02-14 | 2022-05-06 | 昀迈(上海)物联网科技有限公司 | Cascade signal differential pressure correction, self-control standby power supply and protection circuit |
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| CN110058555B (en) | 2021-08-31 |
| CN110058555A (en) | 2019-07-26 |
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Application publication date: 20181113 |