CN109428398A - A kind of industrial user's electricity consumption behavior acquisition device and method - Google Patents
A kind of industrial user's electricity consumption behavior acquisition device and method Download PDFInfo
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Abstract
The present invention relates to a kind of industrial user's electricity consumption behavior acquisition device and method, device includes processor module, data memory module, power module, electric power of equipment parameter collection module, relay control module, communication module；Modules are all connect with microprocessor module, by processor module co-ordination.Method includes: the voltage and current information that electric power of equipment parameter collection module acquires monitored equipment in real time；Processor module is by the information classification storage received into data memory module；Processor module calls data to carry out operation and obtains equipment each section parameters of electric power information and store to data memory module, while being sent to host computer by communication module.The abnormal parameters when present invention can capture equipment fault are simultaneously alarmed or cut-off equipment power supply in time.Power information is acquired function by the present invention, data analysis function, automatic control function, and network communicating function is integrated into an equipment, has many advantages, such as versatile, feature-rich, easy to use.
Description
Technical field
The present invention relates to a kind of industrial user's electricity consumption behavior acquisition device and methods, belong to industrial electricity apparatus intelligent monitoring
Technical field.
Background technique
100 for many years, and electric power has penetrated into the every aspect of our production and living from scratch.With modern society
The development of meeting, electric energy has been most widely used, the most important energy in modern economy.Electric energy due to it is easy to use,
The advantages that transmission is simple, clean and safe, shared specific gravity also increasingly increases in national product and domestic energy, China's half with
On the energy be to be conveyed and distributed by power grid with electrical energy form to use.Industrial user selects electric power as main energy sources
Supply production, to the reliability of electric system, safety, economy and stability, more stringent requirements are proposed.For industrial
For the electric system at family, load monitoring is of great significance, and formulates Energy Saving Strategy to effective analysis of the data such as load energy consumption
Unnecessary energy consumption can be reduced, reaches energy-saving purpose, while being capable of the safe thing of discovering device fault-avoidance in time
Therefore mitigation.Helping Utilities Electric Co. improves the precision of prediction of electric load, provides for electric system simulation analysis, systems organization
More accurate data.By understand industrial user's load composition, reinforce load side management, by guidance user's reasonable consumption,
Reasonable arrangement load effectively adjusts peak-valley difference and reduction network loss using the time.Traditional industry load monitoring is generally required each
Monitored load inlet installs the equipment such as electrical power sensor additional, and since industrial equipment integrated level is higher, a machinery equipment is often
It is made of multiple power units, conventional monitoring methods require a great deal of time in terms of installation and maintenance and money, also difficult
Careful polynary acquisition is carried out with multiple power units to equipment.For this reason, it may be necessary to a kind of industrial load that is suitable for monitors system,
It only needs that monitoring device is installed at power portal, can be analyzed by monitoring the signals such as voltage, electric current at this and be born
The type and operating condition of single load in lotus cluster.
Summary of the invention
In order to solve the above-mentioned technical problem, the present invention designs a kind of industrial user's electricity consumption behavior acquisition device and its realization side
Method can be realized and carry out careful polynary adopt to each current consuming apparatus power consumption parameter such as voltage, electric current, frequency of industrial user etc.
Collection；Device utilizes its high-performance hardware resource, is accurately analyzed by the built-in parser software of device with host computer procedure
The electricity consumption behavior of industrial user's totality out helps user to formulate energy-saving scheme；Data are analyzed it can be concluded that equipment working state, if
Have abnormal data can analyze out which specific electricity consumption section failure of equipment, reminds user to handle in time and avoid loss etc.
Utility function.
Present invention technical solution used for the above purpose is: a kind of industrial user's electricity consumption behavior acquisition device,
Include:
Relay module is separately connected processor module, general supply breaker；For being controlled under the control of processor module
The on-off of general supply breaker processed, thus switch of the control in multiple electrical equipments of net；
Electric power of equipment parameter collection module is separately connected electrical equipment, processor module；For acquiring current power equipment
Dry run data and be converted to digital operation data and export to processor module；
Processor module, for the operating parameter of current power equipment to be calculated according to digital operation data；It is also used to
According to the comparison of the operating parameter of current power equipment and the operating parameter of the electrical equipment in net, judge that current power equipment is
No is online equipment or newly-increased oil (gas) filling device；
Data memory module connects processor module；For storing digital operation data, the operation ginseng of electrical equipment
Number, nominal parameter；
Data communication module is separately connected processor module, host computer；For leading between processor module and host computer
Letter；
Clock module connects processor module, for providing reference clock for whole device；
Power module connects above-mentioned module, for providing electric energy for above-mentioned module.
The electric power of equipment parameter collection module includes voltage transformer module, current transformer module, A/D converter
Module；The voltage transformer module, current transformer module are all connected with electrical equipment, acquire the simulation electricity of current power equipment
A/D converter module is given in pressure, current signal and scaled processing output；The A/D converter module will be used currently
Analog voltage, the current signal of electric equipment are converted into digital voltage, current signal and export；The simulation of the current power equipment
Operation data includes analog voltage, current signal；The digital operation data of the current power equipment includes digital voltage, electric current
Signal.
The data memory module includes: volatile data buffer area and nonvolatile devices parameter memory block；It is described
The digital operation data of volatile data buffer area storage electrical equipment；Nonvolatile devices parameter memory block stores electricity consumption
The operating parameter of equipment, nominal parameter；The operating parameter includes real-time voltage, real-time current, frequency, active power, idle
Power, harmonic power, equipment start-up course current curve；The electrical equipment nominal parameter is input to non-volatile by host computer
Property device parameter memory block.
The processor module include DSP microprocessor unit, active crystal oscillator unit, RC reset circuit unit,
Power supply unit.
It further include the system reset and data memory module being connect with processor module, for being provided to processor module
Reset and abnormality processing stable timing required when resetting, and the data guarantor when system exception power down or program error
Shield.
A kind of industrial user's electricity consumption behavior acquisition method, comprising the following steps:
Step 1: processor module control electric power of equipment parameter collection module acquires the simulation fortune of current power equipment in real time
Row data are simultaneously converted into digital operation data and are stored in data memory module；Processor module is according to the number of current power equipment
Word operation data calculates operating parameter and is stored in data memory module；It is set by being manually entered current power in host computer
Standby nominal parameter is simultaneously stored in data memory module；
Step 2: whether the operating parameter of processor module real-time judge current power equipment is abnormal；
Step 2.1: starting alarm mode if abnormal, processor module issues instruction and alarms or control relay to host computer
Device module disconnects the power supply of current abnormal electrical equipment and alarm；
Step 2.2: if not abnormal then start monitoring pattern, processor module handles operating parameter and is judged current
Whether electrical equipment is the newly-increased electricity consumption part of newly-increased oil (gas) filling device or online equipment, and updates storage in data memory module
The operating parameter of electrical equipment belonging to it sends the result to host computer and shows or be further processed.
Operating parameter in the step 1 includes real-time voltage, real-time current, frequency, active power, reactive power, humorous
Wave power, equipment start-up course current curve.
Processor module judges whether the operating parameter of current power equipment is to judge whether extremely in the step 2
Stream, low pressure, frequency anomaly.
Processor module is the variation to operating parameter according to voltage in a period of time and current signal in the step 2.2
Judge whether current power equipment is starting state or stable state；Small echo then is used to operating parameter if starting state
Analytical calculation；Then operating parameter is calculated with power analysis if stable state；And current power is judged according to calculated result
Whether equipment is the newly-increased electricity consumption part for increasing oil (gas) filling device or online equipment newly.
The invention has the following beneficial effects and advantage:
1. having data acquisition function.The present invention integrates high precision electro energy parameter sensors, be mounted on the three-phase of equipment into
Line side, information, the frequency acquisition such as three-phase voltage, electric current, frequency, power can reach when can acquire industrial equipment operation in real time
10KHz accomplishes that finely talking about acquisition provides data resource for the data processing of next step.
2. having the function of that data storage is analyzed with data.High-capacity FLASH memory can store number built in the present invention
The energy data and electrical equipment data bank in week can carry out number to energy information by the high performance float-point type DSP of TI company
Operation is handled, power unit each in equipment can be finely divided, each equipment running status of accurate Characterization and power consumption parameter.
3. having safety protection function.The present invention integrates relay controller, the acquisition of cooperation data and data processing operation list
Member is, it can be achieved that the frequency anomaly of equipment under test, electric voltage exception, overcurrent, three-phase power imbalance and unloaded electrocution-proof protection.Significantly
The safety for improving industrial equipment and using.
4. having network communicating function.The present invention carry ethernet communication module, can by ethernet module with it is upper
Machine communication, has unique MAC Address, it is only necessary to which a computer can read the electricity to the electrical equipment having in network segment
Information, convenient for the further energy saving optimizing of cooperation upper computer software and overlayer monitors.
5. having the function of autonomous learning.The device parameter list that the present invention needs to compare in energy data treatment process.
When having new equipment or new power unit to be added, the present apparatus finds new power consumption parameter by data processing, automatically updates device parameter
List, and constantly reinforce study in later calculating, constantly improve parameter.
Detailed description of the invention
Fig. 1 is functions of modules and installation wiring diagram of the invention；
Fig. 2 is inside theory structure block diagram of the invention；
Fig. 3 is data analysis schematic diagram of the invention；
Fig. 4 is present procedure flow chart.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and embodiments.
A kind of industrial user's electricity consumption behavior acquisition device, as shown in Figure 1, the design functionally divides by electric power data acquisition
Module, relay control module, microprocessor module, data memory module, network communication module, power module composition, also
Including real-time clock module, reset and data memory module.
1) electric power of equipment parameter collection module, including the simulation of the external voltage transformer in front end, current transformer and rear end/
Digital quantizer can acquire the voltage value and current value when equipment operation in real time.
2) relay driving control module may be implemented dividing/closing a floodgate for control equipment main breaker, and then realize equipment hair
The emergency power off protection of raw catastrophe failure.
3) DSP microprocessor module is responsible for the data of analytical calculation electric power acquisition module acquisition, according to real-time voltage,
Current data carries out classification subdivision to multiple equipment or multiple power units by calculating the information such as frequency, electrical power,
It is accurately obtained the parameter of each power unit.DSP microprocessor is also used as key control unit to play each function of coordination simultaneously
The effect of module work；The processor module includes TMS320F28335DSP microprocessor unit, the vibration of 30MHz active crystal
Swing device unit, RC reset circuit unit, TPS767D301 core power supply unit.
4) data memory module connects processor module；For storing digital operation data, the operation ginseng of electrical equipment
Number, nominal parameter.
5) communication module is communicated for industrial user's electricity consumption behavior acquisition device with computer, can be by the data of acquisition
It is sent to host computer, is further analyzed, or multiple industrial user's electricity consumption behavior acquisition devices are connected by computer, by one
Platform computer shows the information such as each equipment energy consumption state, visualized management as host computer.
6) power module provides highly reliable power supply for system, guarantees the reliability and stability of system.
7) real-time clock module provides accurate reference clock source for whole system, guarantees the height of real-time data acquisition
Synchronousness.
8) system reset and data memory module, reseting module provide the system power-on reset and exception of DSP microprocessor
The required stable timing resetted is handled, memory module provides system exception state (power down exception or program error house dog
Reset) urgent data protection function, improves the reliability of system.
As shown in Fig. 2, giving the particular hardware composition of modules in the embodiment of the present invention:
The design microprocessor uses the TMS320F28335DSP microprocessor of texas,U.S semiconductor company, needs one
The crystal oscillator and reset circuit of 30MHz can form its minimum system, and TMS320F28335DSP microprocessor is
A TMS320C28X series Floating-point DSP controller of TI company.Compared with previous fixed DSP, the precision of the device is high, at
This low, small power consumption, performance is high, and peripheral hardware integrated level is high, and data and program amount of storage are big, has abundant interior resource and periphery
What interface can be convenient connects with other modules.
Voltage and current metering uses ADS8558IPM A/D conversion chip, and the electricity in 6 channels may be implemented in single-chip
The real-time acquisition of pressure/electric current.Just correspond to the voltage and electric current of three-phase electricity used in equipment.
The data communication module is W5500 and its peripheral circuit forms.The design is using Ethernet interface.
W5500 is internally integrated devices at full hardware ICP/IP protocol stack+MAC+PHY.Devices at full hardware agreement stack technology is real using hardware logic gate circuit
Existing complicated ICP/IP protocol cluster；It is internally integrated MAC and PHY technique, so that the simple and direct and efficient access ether of embedded system
Network.
Relay control section uses the G5LA-14-5VDC type relay of OMRON, 5V power supply power supply, microcontroller I/O
Port is expanded stream with ULN2003D Darlington transistor by light-coupled isolation and is directly controlled.
The power module, using two-stage power supply chip.Since this system is required to generate 5V, 3.3V voltage, supply
Modules use in system.5V power supply mainly supplies relay module, and other modules and chip need 3.3V power supply.5V
Power unit uses LNK613AC/DC chip.LNK613 utilizes Switching Power Supply principle, 95V~230V AC energy can be turned
It is changed to 5V direct current, it is primary to complete decompression and rectification, pressure stabilizing work, the design output power of circuit >=3.5W, 5V power supply precision
Reach ± 5% and meets system requirements.3.3V circuit uses LDO power supply chip PAM3101-3.3.For guarantee power supply stability with it is low
Power consumption demand, using two groups of circuits, one group dedicated for analog-to-digital conversion module, another group of supply other modules.Do so benefit
It is that other modules generate interference to modulus Acquisition Circuit.
As shown in figure 3, " data of acquisition " are the voltage and current signal of simulation, system according to the voltage of a period of time with
The changing value analysis of current signal show that this period of time equipment under test is in what working condition (start-up course or steady operation
State), if start-up course, then collected information is the transient information of equipment under test, then analysis is calculated according to voltage and current value
Its higher hamonic wave is obtained, the method for recycling wavelet analysis obtains the characteristic information of equipment start-up course；If steady operation shape
Then collected information is the steady state information of equipment under test to state, then its fundamental wave value is calculated according to voltage and current value and is calculated
Performance number curve, using performance number curve as equipment judging characteristic.
As shown in figure 4, being the workflow of device.Device operation after, first by the external voltage transformer of device with
Big signal is converted to small signal and is acquired by A/D converter by current transformer；Then preliminary data processing is carried out, mainly
It is that collected data are filtered, are calculated, obtains virtual value, active power value, the reactive power value, frequency of voltage and current
Etc. information；Above- mentioned information are judged, the standard judged is general electric equipment operation standard (overcurrent, low pressure, frequency anomaly
Deng)；Enter alarm mode if abnormal parameters, it is without exception to enter monitoring pattern.Nominal parameter includes the intrinsic of equipment operation
Frequency.
In alarm mode, starting warning reminding operator unit exception first is handled in time；If starting automatic protection plan
It omits, then braking relay cut-off equipment power supply；Last recording exceptional report.
In monitoring pattern, first according to the data that are calculated judge whether be equipment starting process, if it is opening
Dynamic process then calculates the characteristic value of equipment starting according to its transient state parameter application wavelet analysis, then judges whether it is to have set
Equipment present in received shipment row parameter list, if there is no then more new equipment operating parameter table.If it is equipment stable operation
State then calculates characteristic value when equipment operation according to its Steady-state Parameters application power analysis, then judges whether it is to have set
Equipment present in received shipment row parameter list, if there is no then updating more new equipment operating parameter table；When equipment is operation ginseng
Equipment present in number table records its working condition then according to collected real-time parameter.
Claims (9)
1. a kind of industrial user's electricity consumption behavior acquisition device characterized by comprising
Relay module is separately connected processor module, general supply breaker；It is total for being controlled under the control of processor module
The on-off of power circuit breaker, thus switch of the control in multiple electrical equipments of net；
Electric power of equipment parameter collection module is separately connected electrical equipment, processor module；For acquiring the mould of current power equipment
Intend operation data and be converted to digital operation data to export to processor module；
Processor module, for the operating parameter of current power equipment to be calculated according to digital operation data；It is also used to basis
The operating parameter of current power equipment with net electrical equipment operating parameter comparison, judge current power equipment whether be
Online equipment or newly-increased oil (gas) filling device；
Data memory module connects processor module；For storing digital operation data, the operating parameter, volume of electrical equipment
Determine parameter；
Data communication module is separately connected processor module, host computer；For being communicated between processor module and host computer；
Clock module connects processor module, for providing reference clock for whole device；
Power module connects above-mentioned module, for providing electric energy for above-mentioned module.
2. a kind of industrial user's electricity consumption behavior acquisition device described in accordance with the claim 1, which is characterized in that the electric power of equipment
Parameter collection module includes voltage transformer module, current transformer module, A/D converter module；The voltage transformer
Module, current transformer module are all connected with electrical equipment, acquire the analog voltage of current power equipment, current signal and in proportion
It reduces processing output and gives A/D converter module；The A/D converter module is by the analog voltage of current power equipment, electricity
Stream signal is converted into digital voltage, current signal and exports；The dry run data of the current power equipment include simulation electricity
Pressure, current signal；The digital operation data of the current power equipment includes digital voltage, current signal.
3. a kind of industrial user's electricity consumption behavior acquisition device described in accordance with the claim 1, which is characterized in that the data storage
Device module includes: volatile data buffer area and nonvolatile devices parameter memory block；The volatile data buffer area storage
The digital operation data of electrical equipment；Nonvolatile devices parameter memory block stores the operating parameter, specified of electrical equipment
Parameter；The operating parameter includes that real-time voltage, real-time current, frequency, active power, reactive power, harmonic power, equipment open
Dynamic process current curve；The electrical equipment nominal parameter is input to nonvolatile devices parameter memory block by host computer.
4. a kind of industrial user's electricity consumption behavior acquisition device described in accordance with the claim 1, which is characterized in that the processor die
Block includes DSP microprocessor unit, active crystal oscillator unit, RC reset circuit unit, power supply unit.
5. according to a kind of industrial user electricity consumption behavior acquisition device described in claim 1-4, which is characterized in that further include and locate
The system reset and data memory module for managing the connection of device module, it is multiple with abnormality processing for providing electrification reset to processor module
Required stable timing when position, and the data protection when system exception power down or program error.
6. a kind of industrial user's electricity consumption behavior acquisition method, which comprises the following steps:
Step 1: processor module control electric power of equipment parameter collection module acquires the dry run number of current power equipment in real time
According to and be converted into digital operation data and be stored in data memory module；Processor module is transported according to the number of current power equipment
Row data calculate operating parameter and are stored in data memory module；By being manually entered current power equipment in host computer
Nominal parameter is simultaneously stored in data memory module；
Step 2: whether the operating parameter of processor module real-time judge current power equipment is abnormal；
Step 2.1: starting alarm mode if abnormal, processor module issues instruction and alarms or control relay mould to host computer
Block disconnects the power supply of current abnormal electrical equipment and alarm；
Step 2.2: if not abnormal then start monitoring pattern, processor module handles operating parameter and judges current power
Whether equipment is the newly-increased electricity consumption part of newly-increased oil (gas) filling device or online equipment, and its institute is updated storage in data memory module
The operating parameter of the electrical equipment of category sends the result to host computer and shows or be further processed.
7. a kind of industrial user's electricity consumption behavior acquisition method according to claim 6, which is characterized in that in the step 1
Operating parameter include real-time voltage, real-time current, frequency, active power, reactive power, harmonic power, equipment start-up course
Current curve.
8. a kind of industrial user's electricity consumption behavior acquisition method according to claim 7, which is characterized in that in the step 2
Processor module judges whether the operating parameter of current power equipment is to judge whether overcurrent, low pressure, frequency anomaly extremely.
9. a kind of industrial user's electricity consumption behavior acquisition method according to claim 8, which is characterized in that the step 2.2
Middle processor module is to judge current power equipment according to the variation of voltage in a period of time and current signal to operating parameter
It whether is starting state or stable state；Then operating parameter is calculated with wavelet analysis if starting state；If stabilization
State then calculates operating parameter with power analysis；And judge whether current power equipment is newly-increased add according to calculated result
Standby or online equipment newly-increased electricity consumption part.
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