CN107276231A - A kind of electric energy efficiency monitoring terminal of modularized design - Google Patents

A kind of electric energy efficiency monitoring terminal of modularized design Download PDF

Info

Publication number
CN107276231A
CN107276231A CN201710597000.8A CN201710597000A CN107276231A CN 107276231 A CN107276231 A CN 107276231A CN 201710597000 A CN201710597000 A CN 201710597000A CN 107276231 A CN107276231 A CN 107276231A
Authority
CN
China
Prior art keywords
power
circuit
module
signal input
output end
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710597000.8A
Other languages
Chinese (zh)
Inventor
钱昱
童思普
张胜丘
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing Xinlian Electronics Co ltd
Nanjing Xinlian Electric Energy Cloud Service Co ltd
Liupanshui Power Supply Bureau of Guizhou Power Grid Co Ltd
Original Assignee
Nanjing Xinlian Electronics Co ltd
Nanjing Xinlian Electric Energy Cloud Service Co ltd
Liupanshui Power Supply Bureau of Guizhou Power Grid Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nanjing Xinlian Electronics Co ltd, Nanjing Xinlian Electric Energy Cloud Service Co ltd, Liupanshui Power Supply Bureau of Guizhou Power Grid Co Ltd filed Critical Nanjing Xinlian Electronics Co ltd
Priority to CN201710597000.8A priority Critical patent/CN107276231A/en
Publication of CN107276231A publication Critical patent/CN107276231A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/0006Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network for single frequency AC networks
    • H02J13/0013Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network for single frequency AC networks characterised by transmission structure between the control or monitoring unit and the controlled or monitored unit
    • H02J13/0017Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network for single frequency AC networks characterised by transmission structure between the control or monitoring unit and the controlled or monitored unit with direct transmission between the control or monitoring unit and the controlled or monitored unit
    • H02J13/0075Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network for single frequency AC networks characterised by transmission structure between the control or monitoring unit and the controlled or monitored unit with direct transmission between the control or monitoring unit and the controlled or monitored unit using radio means
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/7853
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/12Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
    • Y04S40/126Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission

Abstract

The present invention is a kind of electric energy efficiency monitoring terminal of modularized design, and its structure includes power module A, communication module B, collection module C;Wherein, power input of the power module A power output end respectively with communication module B, collection module C is connected;Power module A signal input output end is connected with communication module B the first signal input output end, and collection module C signal input output end is connected with communication module B secondary signal input/output terminal.Advantage:1)The measuring apparatus of electromechanical integration is realized, the wiring complexity at scene is greatly reduced;2)Realize the metering of the data such as voltage, electric current, power, power factor, electricity, requirement, harmonic wave, temperature;3)It is easy to the abnormal conditions of user's discovery electric line in time, it is to avoid secondary harm occur.

Description

A kind of electric energy efficiency monitoring terminal of modularized design
Technical field
The present invention is a kind of electric energy efficiency monitoring terminal of modularized design, belongs to energy efficiency monitoring technical field.
Background technology
In order to realize the become more meticulous management of power use and Demand Side Response, ordered electric is reached and energy-saving purpose, electricity consumption Unit needs to expand in addition to always being monitored with electrical circuit, also and each branch is monitored with electrical circuit;Prior art is general Using the equipment such as current transformer, collector, communication module are installed additional in each duplexure, the electricity consumption to each use electrical circuit is realized The monitoring of information and the quality of power supply.
Current transformer in conventional electric power system is by a transformer and secondary transformer(Commonly referred to as instrument mutual inductance Device, in collector)Composition, volume is big, cost is high, and installation difficulty is limited by in-site installation space, or even some are branched back to Road, which needs to transform, to install;It is many with the duplexure of electric unit, access current transformer, collector, communication are both needed to per loop The equipment such as module, equipment cost is high;In addition collector needs to access voltage signal from live each branch road, to be stopped during installation It is electrically operated, impacted to production, the operation of electric unit;Because access cable is more, the wiring of specialty, peace are carried out during construction Dress difficulty and workload is big, operating expenses is high, long construction period.
The content of the invention
Proposed by the present invention is a kind of electric energy efficiency monitoring terminal of modularized design, and its purpose aims at electric energy measurement Equipment does not have a power failure to install to be connected, without debugging, the efficient monitoring terminal of MANET there is provided a kind of without order wire.
The technical solution of the present invention:The electric energy efficiency monitoring terminal of modularized design, its structure includes power module A, communication module B, collection module C;Wherein, power module A power output end respectively with communication module B, collection module C electricity Source input is connected;Power module A signal input output end is connected with communication module B the first signal input output end, hands over Module C signal input output end is adopted with communication module B secondary signal input/output terminal to be connected.
Advantages of the present invention:Using electromagnetic induction and Hall effect the principle design Intelligent transformator of a wide-range, Maximum measurement electric current can reach 1000A;By to puncturing power taking, open type current transformer, electric measurement, temperature survey, nothing Line transmission technology it is highly integrated, No. one or two transformers, collector and communication module are merged, the survey of electromechanical integration is realized Equipment is measured, the wiring complexity at scene is greatly reduced;Pass through shared power supply and the side of radio communication between terminal inner module Formula further reduces small product size, and voltage, electric current, power, power factor, electricity are realized in the dimensional space of traditional transformer The metering of the data such as amount, requirement, harmonic wave, temperature;Modular design method causes products configuration versatile and flexible, when same monitoring When duplexure under node is more, it can be achieved by extending collection module;Terminal is equipped with back-up source, and use can be monitored in real time Family is with the disconnected phase of electric line, short-term and stops the anomalous events such as upper electricity and is reported, therefore is easy to user's discovery electric wire in time The abnormal conditions on road, it is to avoid secondary harm occur.
Brief description of the drawings
Accompanying drawing 1 is Modularized power energy efficiency monitoring terminal system block diagram.
Accompanying drawing 2 is the subtending port between monitoring terminal internal module.
Accompanying drawing 3 is monitoring terminal power module A block diagrams.
Accompanying drawing 4 is monitoring terminal communication module B block diagrams.
Accompanying drawing 5 is monitoring terminal collection module C block diagrams.
Accompanying drawing 6 is switching power circuit schematic diagram.
Accompanying drawing 7 is power backup circuit schematic diagram.
Accompanying drawing 8-1 is that metering circuit computation chip partial schematic diagram is adopted in friendship.
Accompanying drawing 8-2 is that metering circuit stimulus part schematic diagram is adopted in friendship.
Accompanying drawing 9-1 is core processing circuit single chip part schematic diagram.
Accompanying drawing 9-2 is core processing circuit SCM peripheral circuit part schematic diagram.
Accompanying drawing 10 is RS485 telecommunication circuit schematic diagrams.
Accompanying drawing 11 is micro power radio communication circuit theory diagrams.
Embodiment
The electric energy efficiency monitoring terminal of modularized design, its structure includes power module A, communication module B, collection module C; Wherein, power input of the power module A power output end respectively with communication module B, collection module C is connected;Power module A Signal input output end be connected with communication module B the first signal input output end, collection module C signal input output end It is connected with communication module B secondary signal input/output terminal.
Pass through between the signal input output end of the power module A and communication module B the first signal input output end Standard RJ11 interface level on lines cable is connected, and collection module C signal input output end and communication module B secondary signal input are defeated Go out between end also by the connection of standard RJ11 interface level on lines cable;Power module A, communication module B, tri- modules of collection module C Between pass through standard RJ11 interface level on lines cable and carry out signal connection and data transfer.
The power module A includes core processing circuit, hands over and adopt metering circuit, RS485 telecommunication circuits, back-up source electricity Road, switching power circuit;Wherein, the first signal input output end of core processing circuit adopts the signal input of metering circuit with handing over Output end is connected, the secondary signal input/output terminal of core processing circuit and the signal input output end phase of RS485 telecommunication circuits Even, the first signal input part of core processing circuit is connected with the signal output part of power backup circuit, core processing circuit Secondary signal input is connected with the signal output part of switching power circuit;Metering circuit, RS485 are adopted in core processing circuit, friendship On circuit boards, circuit board is arranged in module housing for telecommunication circuit, power backup circuit, switching power circuit design.
Core processing circuit in the power module A, hand over adopt metering circuit, RS485 telecommunication circuits, power backup circuit, Switching power circuit is attached by PCB trace each other;220V power supplys are passed through zero line input hole and thorn by module housing Pin is converted into 5V DC voltages through switching power circuit after being introduced into power module and powers and cascaded by RJ11 for power module Cable is output as communication module B and collection module C powers;Friendship adopts metering circuit and passes through the collection input of electric resistance partial pressure sample mode Voltage swing simultaneously gathers the current value in tested cable by chip induction mode;Core processing circuit reads friendship and adopts metering in real time In circuit voltage x current collection information and calculate input cable in power, power factor, electricity, requirement, harmonic wave, etc. number According to.
The communication module B includes core processing circuit, hands over and adopt metering circuit, RS485 telecommunication circuits, back-up source electricity Road, micro power radio communication circuit;Wherein, the first signal input output end of core processing circuit adopts the letter of metering circuit with handing over Number input/output terminal is connected, and the secondary signal input/output terminal of core processing circuit inputs defeated with the signal of RS485 telecommunication circuits Go out end to be connected, the first signal input part of core processing circuit is connected with the signal output part of power backup circuit, core processing The secondary signal input of circuit is connected with the signal output part of micro power radio communication circuit;Meter is adopted in core processing circuit, friendship Measure circuit, RS485 telecommunication circuits, power backup circuit, micro power radio communication circuit design on circuit boards, circuit board is installed In module housing.
The communication module B is the primary module of electric energy efficiency monitoring terminal, and communication module B passes through external RJ11 level on lines RS485 buses in cable are gathered power module A and collection module C data and led to using micropower wireless channel with up in real time Believe every energy data of node-node transmission monitoring terminal collection.
The collection module C includes core processing circuit, hands over and adopt metering circuit, RS485 telecommunication circuits, back-up source electricity Road;Wherein, the first signal input output end of core processing circuit is connected with the signal input output end that metering circuit is adopted in friendship, core The secondary signal input/output terminal of heart process circuit is connected with the signal input output end of RS485 telecommunication circuits, core processing electricity First signal input part on road is connected with the signal output part of power backup circuit;Core processing circuit, friendship adopt metering circuit, On circuit boards, circuit board is arranged in module housing for RS485 telecommunication circuits, power backup circuit design.
The communication module B and collection module C are to the voltage in each input cable, electric current, power, power factor, electricity Amount, requirement, harmonic wave, etc. data acquisition mode and power module A similarly.
The separate power module A, communication module B, collection module C have consistent module housing, core Metering circuit, RS485 telecommunication circuits, power backup circuit are adopted in process circuit, friendship.
The power module A, communication module B, collection module C are also each included outside an identical module housing, module There is shell a zero-power line input hole, a penetration electric current to sunken cord hole and two standard RJ11 female seats;Module housing is used Open type is designed, and module housing can be installed on cable in the case where tested cable is not powered off and is tested by pricker puncture Cable power taking is inputted as modules supply input and/or voltage measurement.
The power module A, communication module B, power backup circuit is provided with inside collection module C, when power module When input voltage is normal, switching power circuit output 5V DC voltages charge for the back-up source of each module, after charging 10 minutes The back-up source of each module can maintain system to work on to be not less than 10 seconds, and now the core processing circuit of each module can be examined The power down mode of tested cable is measured, outage information is reported communication by power module A and collection module C by RS485 buses After module B, communication module B aggregation process then can by micropower wireless mode report of user main website monitor circuit power-off, The event such as broken string, phase shortage, overvoltage, under-voltage.
When in electromagnetic induction theorem, electric power cable by electric current, magnetic field proportional therewith is around produced;In electric power Toroidal core is inserted on cable and Hall chip is put into magnetic core, according to Hall effect, Hall chip output voltage is measured, i.e., The size of current passed through in cable can be calculated.
The present invention will puncture power taking, open type current transformer, electric measurement, temperature survey, Radio Transmission Technology height It is integrated, realize power measuring devices do not have a power failure installation, without debugging, MANET, radio communication;Terminal can collection voltages, electricity Stream, power, power factor, electricity, requirement, harmonic wave, temperature data, support the flat sharp time-sharing measurement of peak valley and statistics of extremes, support Disconnected phase, short-term monitor and stopped upper electric reporting events.
The support that the present invention is designed do not have a power failure installation, connect without order wire, the efficient monitoring terminal of MANET is that enterprise is real Now become more meticulous the management of power use and Demand Side Response, reaches the preferred equipment of energy-saving purpose.
During work, power module A output voltages are that communication module B and collection module C powers, and communication module B is gathered in real time Power module A and collection module C voltage x current data simultaneously carry out after aggregation process uploading to use by micropower wireless mode Householder stands;Three modules use completely the same module housing, and each module is both the part of monitoring terminal, but also as The product of standalone feature is used, the similar single-phase electric energy meter of function of each module, and the electric power energy after three block combiners Imitate the function that three-phase electric energy meter then can be achieved in monitoring terminal;Power module A output 5V voltages are communication module B and collection module C Power supply, communication module B is the primary module of monitoring terminal, and communication module B gathers power supply mould in real time by RS485 bus communications mode Block A and collection module C data and realization and every energy data of upstream node communications test line;In monitoring terminal Cascade being carried out by 4 core cables between portion's module and realizing power supply and data interaction mutually, subtending port is standard RJ11 interfaces, letter Number line includes power bus and 485 communication bus, and signal definition is shown in Table 1.
The monitoring terminal subtending port of table 1 defines table
Sequence number Signal definition Explanation
1 VCC5V Modular power source, scope 5V ± 0.2V
2 RS485-A 485 buses
3 RS485-B 485 buses
4 GND Power supply
Embodiment 1
Accompanying drawing 1, the electric energy efficiency monitoring terminal of modularized design are compareed, its structure includes power module A, communication module B, hands over and adopt Module C;Three modules are each independent, carry out signal connection and data transfer, letter by standard RJ11 interface cables each other Number line includes power bus and RS485 buses, and RJ11 interface diagrams are shown in accompanying drawing 2, and interface signal definition is shown in Table 1.
Accompanying drawing 3 is compareed, the power module A of monitoring terminal is by module housing, switching power circuit, core processing circuit, friendship Adopt metering circuit, power backup circuit and RS485 telecommunication circuits composition;Core processing circuit, friendship adopt metering circuit, RS485 lead to Believe circuit, power backup circuit, switching power circuit design on circuit boards, be attached each other by PCB trace, electricity Road plate is arranged in module housing.
Compare accompanying drawing 4, the communication module B of monitoring terminal by module housing, core processing circuit, friendship adopt metering circuit, after Stand-by power source circuit, RS485 telecommunication circuits and micro power radio communication circuit composition;Wherein, metering electricity is adopted in core processing circuit, friendship Road, power backup circuit, RS485 telecommunication circuits, micro power radio communication circuit design on circuit boards, pass through each other PCB trace is attached, and circuit board is arranged in module housing.
Compare accompanying drawing 5, the collection module C of monitoring terminal by module housing, core processing circuit, friendship adopt metering circuit, after Stand-by power source circuit and RS485 telecommunication circuits;Wherein, metering circuit, power backup circuit and RS485 are adopted in core processing circuit, friendship Telecommunication circuit is designed on circuit boards, is attached each other by PCB trace, and circuit board is arranged in module housing.
Monitoring terminal power module A, communication module B and collection module C core processing circuit, hand over adopt metering circuit, after Stand-by power source circuit and RS485 telecommunication circuits use completely the same design, and the shell of three modules is completely the same.
Accompanying drawing 6 is compareed, power module A switching power circuit includes surge protection part, rectifying and wave-filtering part, decompression turn Change part;The surge protection part includes piezo-resistance R36, fuse F3, current-limiting resistance R34;Module housing hands over 220V Flow voltage signal and introduce [I-1] place, current rectifying and wave filtering circuit is converted to the 220V AC-input voltages of input 310V or so height Press DC voltage, switch chip D10(Model VIPER06HS)High direct voltage is converted directly into 5V DC voltages as power supply mould Block A working power, 5V dc sources simultaneously and are output to interactive interface [I-2], and RJ11 cascade cables are defeated by power supply herein Go out to lead to communication module B and collection module C powers.
Accompanying drawing 7 is compareed, power module A, communication module B, the respective power backup circuits of collection module C include charge and discharge TURP Change circuit, super capacitor, equalizer circuit;When VCC5V inputs are normal, 5V voltages are super by current-limiting resistance R45, R47, R49 Level electric capacity C75, C76 charging, V13, V14 are 2.5V voltage-stabiliser tubes, play and ensure that the voltage at two super capacitor two ends is no more than 2.5V, it is to avoid because capacitance characteristic difference and long-term use volume change cause Voltage unbalance to cause super capacitor service life reduction.
Accompanying drawing 8 is compareed, metering circuit is adopted in the respective friendship of power module A, communication module B, collection module C includes voltage sample Circuit, current sampling circuit and computation chip;Voltage signal is incorporated into H interactive interfaces [III-1], R14~R20 by module housing It is about 220mV, computation chip D3 that 220V alternating voltages are carried out VAP after partial pressure by resistance(Model ATT7022E)This signal is carried out Thus sampling simultaneously calculates input voltage size;D4, D5 are Hall chip(Model HG-302C), same computation chip D3 is to suddenly Check the mark the output voltage Vh+ and Vh- of your chip are sampled and calculated the size of current passed through in module;Computation chip passes through The voltage x current data collected calculate the data such as test line power, power factor, electricity, requirement, harmonic wave and interacted by I Interface [III-2] carries out data interaction with core processing circuit.
Accompanying drawing 9 is compareed, power module A, communication module B, the respective core processing circuits of collection module C include single-chip microcomputer D6 (Model STM32F401RET6), power supply monitoring chip D7(Model TPS3823-33DBVT), storage chip D8(Model MX25L1606E), linear voltage stabilization device D9(Model SPX1117M3-L-3.3), LED light, temperature collection circuit;Single-chip microcomputer D6 is read by interactive interface [IV-1] hands over the measurement data for adopting metering circuit;Single-chip microcomputer band 12bit ADC input interfaces, NTC thermistor is welded between TP1 and TN1 and is fixed in module housing, single-chip microcomputer can pass through line in acquisition module The surface temperature of cable.
Accompanying drawing 10 is compareed, RS485 telecommunication circuits include RS485 chips(Model SN65HVD82DR)And peripheral circuit, core Carried out data transmission between process circuit and RS485 telecommunication circuits by interactive interface [V-2];Interactive interface [V-1] is connected to Two RJ11 female seats in module housing, can be achieved power module A to communication module B and collection module C power supply and communication mould Block B is to power module A and collection module C data reading system.
Accompanying drawing 11 is compareed, micro power radio communication circuit includes radio frequency chip D2(Model SX1278), switching switch D1(Type Number PE4259), RF transmit-receive circuit;Communication module B core processing circuit by interactive interface [VI-1] control micropower without The gathered data of monitoring terminal is uploaded to main website and checked for user by line telecommunication circuit.

Claims (9)

1. the electric energy efficiency monitoring terminal of modularized design, it is characterized in that including power module A, communication module B, collection module C; Wherein, power input of the power module A power output end respectively with communication module B, collection module C is connected;Power module A Signal input output end be connected with communication module B the first signal input output end, collection module C signal input output end It is connected with communication module B secondary signal input/output terminal.
2. the electric energy efficiency monitoring terminal of modularized design according to claim 1, it is characterized in that the power module A Connected between signal input output end and communication module B the first signal input output end by standard RJ11 interface level on lines cable Connect, also by standard RJ11 between collection module C signal input output end and communication module B secondary signal input/output terminal Interface level on line cable is connected.
3. the electric energy efficiency monitoring terminal of modularized design according to claim 1, it is characterized in that the power module A bags Core processing circuit is included, hands over and adopts metering circuit, RS485 telecommunication circuits, power backup circuit, switching power circuit;Wherein, core The signal input output end that first signal input output end of process circuit adopts metering circuit with handing over is connected, core processing circuit Secondary signal input/output terminal is connected with the signal input output end of RS485 telecommunication circuits, the first signal of core processing circuit Input is connected with the signal output part of power backup circuit, the secondary signal input and switch power supply of core processing circuit The signal output part on road is connected;Metering circuit, RS485 telecommunication circuits, power backup circuit, switch are adopted in core processing circuit, friendship At power circuit on circuit boards, circuit board is arranged in module housing.
4. the electric energy efficiency monitoring terminal of modularized design according to claim 3, it is characterized in that in the power module A Core processing circuit, friendship are adopted metering circuit, RS485 telecommunication circuits, power backup circuit, switching power circuit and passed through each other PCB trace is attached;Module housing 220V power supplys are introduced into power module by zero line input hole and pricker after through switch Power circuit is converted into 5V DC voltages and is powered for power module and be output as communication module B and Jiao Cai by RJ11 cascade cables Module C powers;Hand over and adopt metering circuit by the voltage swing of electric resistance partial pressure sample mode collection input and by chip sensing side Current value in the tested cable of formula collection;Core processing circuit reads the voltage x current collection information handed over and adopted in metering circuit in real time And calculate input cable in power, power factor, electricity, requirement, harmonic wave, etc. data.
5. the electric energy efficiency monitoring terminal of modularized design according to claim 1, it is characterized in that the communication module B bags Core processing circuit is included, hands over and adopts metering circuit, RS485 telecommunication circuits, power backup circuit, micro power radio communication circuit;Its In, the signal input output end that the first signal input output end of core processing circuit adopts metering circuit with handing over is connected, at core The secondary signal input/output terminal of reason circuit is connected with the signal input output end of RS485 telecommunication circuits, core processing circuit First signal input part is connected with the signal output part of power backup circuit, the secondary signal input of core processing circuit with it is micro- The signal output part of power wireless communications circuit is connected;Metering circuit, RS485 telecommunication circuits, standby are adopted in core processing circuit, friendship On circuit boards, circuit board is arranged in module housing for power circuit, micro power radio communication circuit design.
6. the electric energy efficiency monitoring terminal of modularized design according to claim 5, it is characterized in that the communication module B is The primary module of electric energy efficiency monitoring terminal, communication module B cascades the RS485 buses in cable by external RJ11 and gathered in real time Power module A and collection module C data are simultaneously gathered using micropower wireless channel with uplink communication node-node transmission monitoring terminal Every energy data.
7. the electric energy efficiency monitoring terminal of modularized design according to claim 1, it is characterized in that the collection module C bags Core processing circuit is included, hands over and adopts metering circuit, RS485 telecommunication circuits, power backup circuit;Wherein, the of core processing circuit The signal input output end that one signal input output end adopts metering circuit with handing over is connected, the secondary signal input of core processing circuit Output end is connected with the signal input output end of RS485 telecommunication circuits, the first signal input part of core processing circuit and standby The signal output part of power circuit is connected;Metering circuit, RS485 telecommunication circuits, power backup circuit are adopted in core processing circuit, friendship On circuit boards, circuit board is arranged in module housing for design.
8. the electric energy efficiency monitoring terminal of modularized design according to claim 1, it is characterized in that the power module A, Communication module B, collection module C also each include an identical module housing, and module housing has a zero-power line input Hole, a penetration electric current are sunken cord hole and two standard RJ11 female seats;Module housing is designed using open type, can be in tested cable Module housing is installed on cable in the case of not powering off and tested cable power taking is pierced through by pricker and is supplied as modules Electricity input and/or voltage measurement input.
9. the electric energy efficiency monitoring terminal of modularized design according to claim 1, it is characterized in that the power module A, Power backup circuit is provided with inside communication module B, collection module C, when the input voltage of power module is normal, Switching Power Supply Circuit output 5V DC voltages are charged for the back-up source of each module, and the back-up source of each module can be maintained after charging 10 minutes System, which works on, is not less than 10 seconds, and now the core processing circuit of each module detects the power down mode of tested cable, power supply Modules A and collection module C are reported outage information after communication module B, communication module B aggregation process then by RS485 buses The event such as the power-off of micropower wireless mode report of user main website monitoring circuit, broken string, phase shortage, overvoltage, under-voltage can be passed through.
CN201710597000.8A 2017-07-20 2017-07-20 A kind of electric energy efficiency monitoring terminal of modularized design Pending CN107276231A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710597000.8A CN107276231A (en) 2017-07-20 2017-07-20 A kind of electric energy efficiency monitoring terminal of modularized design

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710597000.8A CN107276231A (en) 2017-07-20 2017-07-20 A kind of electric energy efficiency monitoring terminal of modularized design

Publications (1)

Publication Number Publication Date
CN107276231A true CN107276231A (en) 2017-10-20

Family

ID=60078337

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710597000.8A Pending CN107276231A (en) 2017-07-20 2017-07-20 A kind of electric energy efficiency monitoring terminal of modularized design

Country Status (1)

Country Link
CN (1) CN107276231A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111830868A (en) * 2020-07-01 2020-10-27 孙安萍 Functional module, communication method and calorimeter applying functional module

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111830868A (en) * 2020-07-01 2020-10-27 孙安萍 Functional module, communication method and calorimeter applying functional module

Similar Documents

Publication Publication Date Title
CN203377624U (en) Communication lithium iron phosphate battery remote communication alarm device
CN205070069U (en) Intelligent socket
CN203337722U (en) Voltage and current collecting device of grid overhead transmission line
CN103453998A (en) Self-energy-taking wireless temperature sensor and achieving method thereof
CN206022257U (en) Intelligent leakage circuit breaker
CN202602134U (en) Portable DC system load transfer auxiliary tank
CN203024872U (en) Self power supply type wireless temperature measurement system
CN201758277U (en) High-low pressure tank relay-protection integrated automation device
CN106229228A (en) Intelligent leakage circuit breaker
CN107276231A (en) A kind of electric energy efficiency monitoring terminal of modularized design
CN110190672A (en) A kind of intelligent power detection device based on LoRa communication
CN207200380U (en) A kind of electric energy efficiency monitoring terminal of modularized design
CN206471821U (en) Low-voltage network neutral line break detects protection device
CN205880062U (en) Portable DC power supply return circuit capacitance to ground tester
CN212965347U (en) Intelligent distribution line on-line state monitoring terminal
CN201726122U (en) Self-powered microcomputer protector capable of fetching electricity on basis of high-voltage current transformer
CN203606421U (en) Improved current transformer
CN203349964U (en) Self-energy-obtaining wireless temperature sensing chip
CN110632373A (en) Integrated intelligent low-voltage line monitoring device
CN207817064U (en) A kind of single-phase electrical appliance research and application device
CN202737589U (en) Low-voltage intelligent comprehensive distribution box
CN202770874U (en) High-voltage dry-type composite transformation ratio automatic conversion metering box
CN204631193U (en) A kind of separate type low voltage failure cable identification device
CN206177466U (en) Novel line temperature becomes to be sent device
CN205786881U (en) A kind of electric instrument

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
CB02 Change of applicant information
CB02 Change of applicant information

Address after: No. 45 Zhongshan Road, Zhongshan Mountain, Liupanshui, Guizhou Province, 553000

Applicant after: LIUPANSHUI POWER SUPPLY BUREAU, GUIZHOU POWER GRID CO., LTD.

Applicant after: NANJING XINLIAN ENERGY CLOUD SERVICES CO., LTD.

Applicant after: Nanjing Xinlian Electronic Co., Ltd.

Address before: No. 39, No. 39, SIEMENS Road, Jiangning economic and Technological Development Zone, Nanjing, Jiangsu

Applicant before: NANJING XINLIAN ENERGY CLOUD SERVICES CO., LTD.

Applicant before: Nanjing Xinlian Electronic Co., Ltd.

Applicant before: LIUPANSHUI POWER SUPPLY BUREAU, GUIZHOU POWER GRID CO., LTD.