CN205646820U - Take independent harmonic metering modules's comprehensive monitoring and protection ware - Google Patents
Take independent harmonic metering modules's comprehensive monitoring and protection ware Download PDFInfo
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- CN205646820U CN205646820U CN201620120398.7U CN201620120398U CN205646820U CN 205646820 U CN205646820 U CN 205646820U CN 201620120398 U CN201620120398 U CN 201620120398U CN 205646820 U CN205646820 U CN 205646820U
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/40—Arrangements for reducing harmonics
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/70—Smart grids as climate change mitigation technology in the energy generation sector
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- Y—GENERAL 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS 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
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
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- Y—GENERAL 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS 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
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
- Y04S20/242—Home appliances
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Abstract
The utility model discloses a take independent harmonic metering modules's comprehensive monitoring and protection ware, including protector body, display, the protector body by harmonic metering modules, CPU, power module, electric parameter collecting circuit, communication circuit module, relay leave control circuit, open the circuit, the data storage chip forms, harmonic metering modules include PT1, CT1, measurement signal conditioning circuit, harmonic electric energy chip, PT1 link to each other with measurement signal conditioning circuit, CT1 link to each other with measurement signal conditioning circuit, generally, the utility model has the advantages of reasonable in design can monitor and failure determination the power supply line electric parameter, to carrying out the real -time guard with electrical apparatus, fixes a position harmonic source and harmonic attribute simultaneously to can show on the spot to reach the surveillance center on with, it provides effective foundation to administer the harmonic, for energy saving and consumption reduction establishes solid foundation, has high practical value.
Description
Technical field
This utility model relates to a kind of integrated monitoring protector, the integrated monitoring protector of a kind of band independence harmonic wave metering module.
Background technology
At present.In electric power system, the content of harmonic wave is gradually increased; harmonic pollution is increasingly severe; the harm caused is the most increasing; each switch of electric power system is fitted with integrated monitoring protector on equipment now; although harmonic wave can being avoided to a certain extent to cause huge harm, but harmonic wave yet suffering from, still increasing entreprise cost; affect a key factor of harmonic wave control be harmonic source and harmonic wave attribute be difficult to position, it is impossible in real time harmonic wave be monitored and measure.
Summary of the invention
The purpose of this utility model is to provide the integrated monitoring protector of a kind of band independence harmonic wave metering module; reasonable in design; supply line's electric parameter can be monitored and fault verification; electrical appliance is carried out real-time guard; location harmonic source and harmonic wave attribute simultaneously, and can show on the spot and be uploaded to Surveillance center, provide effective foundation to harmonic wave control; establish solid foundation for energy-saving and cost-reducing, there is high practical value.
nullThe purpose of this utility model is achieved in that the integrated monitoring protector of a kind of band independence harmonic wave metering module，Including protector body、Display，Described protector body is by harmonic wave metering module、CPU、Power module、Electric parameter Acquisition Circuit、Communication circuit module、Control circuit outputed by relay、Open into circuit、Pin-saving chip forms，Described harmonic wave metering module includes PT1、CT1、Metering signal modulate circuit、Harmonic electric energy computation chip，Described PT1 is connected with metering signal modulate circuit，Described CT1 is connected with metering signal modulate circuit，Described metering signal modulate circuit is connected with harmonic electric energy computation chip，Described harmonic electric energy computation chip is connected with CPU，Described electric parameter Acquisition Circuit、Communication circuit module、Control circuit outputed by relay、Open into circuit、Pin-saving chip is all connected with CPU，Described power module is respectively above-mentioned module for power supply.
Described electric parameter Acquisition Circuit includes PT2, CT2, signal conditioning circuit, A/D convertor circuit, described PT2 is connected with signal conditioning circuit, described CT2 is connected with signal conditioning circuit, described signal conditioning circuit is connected with A/D convertor circuit, described A/D convertor circuit is connected with CPU, voltage and current signal are converted into small signal and small-signal current by described PT2 and CT2 respectively, after signal conditioning circuit filtering and amplification, deliver to A/D convertor circuit conversion, finally deliver to CPU process.
Described pin-saving chip is connected with CPU, described pin-saving chip receives the data of CPU transmission and stores, described pin-saving chip is EEPROM, described opening is connected with CPU into circuit, described relay is outputed control circuit and is included that photoelectric isolating circuit and relay, described photoelectric isolating circuit are sent to the relay being attached thereto after receiving the instruction conversion that CPU sends.
Described communication circuit module includes photoelectric isolating circuit, CAN interface circuit, RS485 interface circuit, CAN, RS485 bus, described photoelectric isolating circuit is connected with CPU, CAN interface circuit, RS485 interface circuit respectively, described CAN interface circuit is connected with CAN, described RS485 interface circuit is connected with RS485 bus, and described RS485 interface circuit is connected with display.
Described display includes showing CPU, LCD display module, LED light, communicating circuit, described communicating circuit is connected with display CPU, described display CPU is connected with LCD display module, LED light respectively, and described communicating circuit is connected with communication circuit module.
This utility model produces and provides the benefit that: monitor and while the real-time guard of electrical equipment realizing the electric parameter to electric power system, can also complete phase voltage every in electric power system, various harmonic datas in electric current are measured and record storage, relay protection information can be shown by display function the most on the spot that have, by communication line module, data can also be uploaded in time Surveillance center, and accept the instruction that Surveillance center sends, harmonic wave attribute and harmonic source are determined, for providing effective foundation to the improvement of harmonic source, lay the foundation for energy-saving and cost-reducing.
Accompanying drawing explanation
Fig. 1 is frame structure schematic diagram of the present utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawings to embodiment further instruction of the present utility model.
Embodiment 1
nullAs shown in Figure 1，A kind of integrated monitoring protector of band independence harmonic wave metering module，Including protector body、Display，Described protector body is by harmonic wave metering module、CPU、Power module、Electric parameter Acquisition Circuit、Communication circuit module、Control circuit outputed by relay、Open into circuit、Pin-saving chip forms，Described harmonic wave metering module includes PT1、CT1、Metering signal modulate circuit、Harmonic electric energy computation chip，Described PT1 is connected with metering signal modulate circuit，Described CT1 is connected with metering signal modulate circuit，Described metering signal modulate circuit is connected with harmonic electric energy computation chip，Described harmonic electric energy computation chip is connected with CPU，Described electric parameter Acquisition Circuit、Communication circuit module、Control circuit outputed by relay、Open into circuit、Pin-saving chip is all connected with CPU，Described power module is respectively above-mentioned module for power supply.
Described electric parameter Acquisition Circuit includes PT2, CT2, signal conditioning circuit, A/D convertor circuit, described PT2 is connected with signal conditioning circuit, described CT2 is connected with signal conditioning circuit, described signal conditioning circuit is connected with A/D convertor circuit, described A/D convertor circuit is connected with CPU, voltage and current signal are converted into small signal and small-signal current by described PT2 and CT2 respectively, after signal conditioning circuit filtering and amplification, deliver to A/D convertor circuit conversion, finally deliver to CPU process.
Described pin-saving chip is connected with CPU, described pin-saving chip receives the data of CPU transmission and stores, described pin-saving chip is EEPROM, described opening is connected with CPU into circuit, described relay is outputed control circuit and is included that photoelectric isolating circuit and relay, described photoelectric isolating circuit are sent to the relay being attached thereto after receiving the instruction conversion that CPU sends.
Described communication circuit module includes photoelectric isolating circuit, CAN interface circuit, RS485 interface circuit, CAN, RS485 bus, described photoelectric isolating circuit is connected with CPU, CAN interface circuit, RS485 interface circuit respectively, described CAN interface circuit is connected with CAN, described RS485 interface circuit is connected with RS485 bus, and described RS485 interface circuit is connected with display.
Described display includes showing CPU, LCD display module, LED light, communicating circuit, described communicating circuit is connected with display CPU, described display CPU is connected with LCD display module, LED light respectively, and described communicating circuit is connected with communication circuit module.
This utility model is in use: the PT1 in harmonic wave metering module, CT1 is to the voltage at circuit breaker in middle, current signal is acquired and is converted into small signal, small-signal current, it is transferred to be sent to harmonic electric energy computation chip after harmonic wave therein conditioning is filtered by metering signal modulate circuit and harmonic wave is carried out electric energy metrical, then data communication is sent to and be sent to carry out data storage after CPU processes and ensure that power down is not lost the EEPROM pin-saving chip of data and stored, conveniently check when needs use data, determine harmonic source and harmonic wave attribute.Remaining comprising modules of electric power source pair of module protector is powered and is ensured that it is properly functioning, is monitored circuit and protects.Electric parameter at switch is converted to suitable small-signal through PT2, CT2 by electric parameter Acquisition Circuit; it is sent to signal conditioning circuit be filtered amplifying with signal; send A/D convertor circuit to and complete analog digital conversion; and the information after conversion is sent to CPU; the electric parameter data collected are calculated by CPU, and are monitored according to conditions such as value of calculation, pre-set value and intake signals and protect.If CPU does not judges fault-signal, then data are sent EEPROM and store by CPU, send without other action command signals；If CPU judges that fault-signal needs to disconnect switch, then CPU sends sub-gate signal and outputs control circuit to relay and carry out switching off operation, send fault message to display and data to Surveillance center by communication circuit module simultaneously, and send data to EEPROM and store, the communicating circuit reception information of display shows in LCD display module after sending display CPU process to and makes LED light carry out flicker reminds operator to note, in order to solve fault in time.The signal that CPU is spread out of by the photoelectric isolating circuit in communication circuit module carries out the RS485 bus that is attached thereto into Transistor-Transistor Logic level passing through after signal isolation change by RS485 interface circuit or CAN interface circuit conversion or CAN is sent to Surveillance center, and the instruction of simultaneous communications circuit module reception Surveillance center is sent to CPU and performs.
Generally; this utility model has reasonable in design; supply line's electric parameter can be monitored and fault verification; electrical appliance is carried out real-time guard; location harmonic source and harmonic wave attribute simultaneously, and can show on the spot and be uploaded to Surveillance center, provide effective foundation to harmonic wave control; solid foundation is established, the advantage with high practical value for energy-saving and cost-reducing.
Claims (5)
- null1. the integrated monitoring protector of a band independence harmonic wave metering module，Including protector body、Display，It is characterized in that: described protector body is by harmonic wave metering module、CPU、Power module、Electric parameter Acquisition Circuit、Communication circuit module、Control circuit outputed by relay、Open into circuit、Pin-saving chip forms，Described harmonic wave metering module includes PT1、CT1、Metering signal modulate circuit、Harmonic electric energy computation chip，Described PT1 is connected with metering signal modulate circuit，Described CT1 is connected with metering signal modulate circuit，Described metering signal modulate circuit is connected with harmonic electric energy computation chip，Described harmonic electric energy computation chip is connected with CPU，Described electric parameter Acquisition Circuit、Communication circuit module、Control circuit outputed by relay、Open into circuit、Pin-saving chip is all connected with CPU，Described power module is respectively above-mentioned module for power supply.
- The integrated monitoring protector of a kind of band independence harmonic wave metering module the most according to claim 1, it is characterized in that: described electric parameter Acquisition Circuit includes PT2, CT2, signal conditioning circuit, A/D convertor circuit, described PT2 is connected with signal conditioning circuit, described CT2 is connected with signal conditioning circuit, described signal conditioning circuit is connected with A/D convertor circuit, described A/D convertor circuit is connected with CPU, voltage and current signal are converted into small signal and small-signal current by described PT2 and CT2 respectively, A/D convertor circuit conversion is delivered to after signal conditioning circuit filtering and amplification, finally deliver to CPU process.
- The integrated monitoring protector of a kind of band independence harmonic wave metering module the most according to claim 1; it is characterized in that: described pin-saving chip is connected with CPU; described pin-saving chip receives the data of CPU transmission and stores; described pin-saving chip is EEPROM; described opening is connected with CPU into circuit; described relay is outputed control circuit and is included that photoelectric isolating circuit and relay, described photoelectric isolating circuit are sent to the relay being attached thereto after receiving the instruction conversion that CPU sends.
- The integrated monitoring protector of a kind of band independence harmonic wave metering module the most according to claim 1; it is characterized in that: described communication circuit module includes photoelectric isolating circuit, CAN interface circuit, RS485 interface circuit, CAN, RS485 bus; described photoelectric isolating circuit is connected with CPU, CAN interface circuit, RS485 interface circuit respectively; described CAN interface circuit is connected with CAN; described RS485 interface circuit is connected with RS485 bus, and described RS485 interface circuit is connected with display.
- The integrated monitoring protector of a kind of band independence harmonic wave metering module the most according to claim 1; it is characterized in that: described display includes showing CPU, LCD display module, LED light, communicating circuit; described communicating circuit is connected with display CPU; described display CPU is connected with LCD display module, LED light respectively, and described communicating circuit is connected with communication circuit module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620120398.7U CN205646820U (en) | 2016-02-15 | 2016-02-15 | Take independent harmonic metering modules's comprehensive monitoring and protection ware |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620120398.7U CN205646820U (en) | 2016-02-15 | 2016-02-15 | Take independent harmonic metering modules's comprehensive monitoring and protection ware |
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| Publication Number | Publication Date |
|---|---|
| CN205646820U true CN205646820U (en) | 2016-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620120398.7U Active CN205646820U (en) | 2016-02-15 | 2016-02-15 | Take independent harmonic metering modules's comprehensive monitoring and protection ware |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109975603A (en) * | 2019-03-19 | 2019-07-05 | 积成电子股份有限公司 | The circuit of protection, measurement and function of measuring integrated design |
| 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 |
| CN113466554A (en) * | 2021-06-18 | 2021-10-01 | 国网宁夏电力有限公司电力科学研究院 | Photovoltaic harmonic monitoring system based on electric energy metering chip |
-
2016
- 2016-02-15 CN CN201620120398.7U patent/CN205646820U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109975603A (en) * | 2019-03-19 | 2019-07-05 | 积成电子股份有限公司 | The circuit of protection, measurement and function of measuring integrated design |
| 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 |
| CN113466554A (en) * | 2021-06-18 | 2021-10-01 | 国网宁夏电力有限公司电力科学研究院 | Photovoltaic harmonic monitoring system based on electric energy metering chip |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |