CN207114664U - A kind of electric energy quality monitoring system - Google Patents
A kind of electric energy quality monitoring system Download PDFInfo
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- CN207114664U CN207114664U CN201721111673.XU CN201721111673U CN207114664U CN 207114664 U CN207114664 U CN 207114664U CN 201721111673 U CN201721111673 U CN 201721111673U CN 207114664 U CN207114664 U CN 207114664U
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Abstract
The utility model discloses a kind of electric energy quality monitoring system, including electric energy quality monitoring terminal and monitoring main website, electric energy quality monitoring terminal includes data acquisition module, core processing module, GPS-time reference module and communication module, and data acquisition module includes signal acquisition sensor, signal conditioning circuit, electric energy measurement module；The input of electric energy measurement module connects signal acquisition sensor by signal conditioning circuit；Electric energy measurement module is connected with core processing module, and core processing module is connected by communication module with monitoring main website；Monitoring main website includes the network switch and the interface server, application server, central server and the fire wall that are connected successively with the network switch, and database server and Web server are connected between central database and fire wall.The utility model realizes real-time collection, transmission, processing and the storage of energy data, is lost caused by when reducing power quality problem and failure.
Description
Technical field
It the utility model is related to electric energy quality monitoring field, and in particular to a kind of electric energy quality monitoring system.
Background technology
The quality of power supply refers to the quality that the alternating current electric energy of user is supplied by utility network.With the development of science and technology
It is widely used with a large amount of sophisticated equipments, requirement in production and living to the quality of power supply also more and more higher.Flickering, degree of unbalancedness,
Harmonic wave, voltage sag, it may all cause the decline of product quality and the destruction of electricity system.Existing electric energy quality monitoring uses more
Electric energy quality monitor device, it is only capable of measuring voltage and current, but can not real-time Transmission to electrical department, electrical
Department can not grasp quality of power supply situation in real time, it is impossible to timely and accurately take appropriate measures to adjust the quality of power supply.
Utility model content
In order to overcome the above-mentioned deficiencies of the prior art, the utility model provides a kind of electric energy quality monitoring system, realizes
Real-time collection, transmission, processing and the storage of energy data, lost caused by when reducing power quality problem and failure, electric power is public
Department can timely and accurately be taken appropriate measures to adjust electricity by client Real Time Observation and the quality of power supply of grasp transformer station
Can quality.
Technical scheme is used by the utility model：
A kind of electric energy quality monitoring system, including electric energy quality monitoring terminal and monitoring main website, the electric energy quality monitoring
Terminal includes data acquisition module, core processing module, GPS-time reference module and communication module, the data acquisition module
Including signal acquisition sensor, signal conditioning circuit, electric energy measurement module；The input of the electric energy measurement module passes through signal
Modulate circuit connects the signal acquisition sensor for gathering the quality of power supply；The output end of the electric energy measurement module is connect by SPI
Mouth is connected with core processing module, and the input of the core processing module is connected with GPS-time reference module；At the core
Reason module is connected by communication module with monitoring main website；The monitoring main website includes the network switch and handed over successively with the network
Change planes interface server, application server, central server and the fire wall of connection, between the central database and fire wall
Database server and Web server are connected with, the network switch is connected with communication module；The Web server and visitor
Family end connects, and realizes the Web Publishing of power quality data；The database server is also connected with a disk array, with data
Library format preserves power quality data.
Further, the electric energy measurement module uses ATT7022C electric energy measure chips.
Further, the output end of the core processing module is also associated with human-computer interaction module and output module, described
Human-computer interaction module is LCDs, button or keyboard, and the output module is control relay circuit, for control device
Output information, start the corresponding actuating of relay when device exception, clock step-out, quality of power supply event.
Further, the communication module includes local communications port, wired network interface and radio network interface, described
Local communication interface includes RS232 interface, RS485 interfaces, RS422 interfaces, USB interface, and wired network interface includes Ethernet
Cableport；Radio network interface includes GSM, CDMA, WCDMA public radio communication network interface.
Further, the signal acquisition sensor includes current transformer and voltage transformer.
Further, the signal conditioning circuit includes voltage signal isolation circuit, current signal isolation circuit and amplification
With filter circuit, the input of the voltage signal isolation circuit is connected by voltage probe with voltage transformer, the electric current
The input of signal isolation circuit is connected by current clamp with current transformer, the output end of the voltage signal isolation circuit,
The output end of current signal isolation circuit is connected with amplifying with filter circuit respectively.
Further, the current clamp includes current sensor, lead, removable gland, strong magnets, take-up device
And joint, current sensor and joint are separately mounted to the both ends of lead, removable gland is sleeved on lead, take-up device
It is packed in removable gland with strong magnets.
Further, the voltage probe is internally provided with voltage reduction module.
Further, the core processing module is that the one or more in single-chip microcomputer, DSP or ARM are combined.
Further, the core processing module is connected with memory module, and the memory module is using FM24C64 storage cores
Piece and eeprom memory.
Compared with prior art, the beneficial effects of the utility model are：
The utility model is connected using electric energy quality monitoring terminal with detected power network, is gathered by signal acquisition sensor
Three-phase voltage and electric current, successively after signal conditioning circuit, electric energy measurement module and core core processing module, by man-machine
Interactive module shows each electric energy quality monitoring parameter, and data are uploaded into monitoring main website by communication module, and monitoring main website leads to
Client Real Time Observation and the palm can be passed through by the Web Publishing of power quality data to client, Utilities Electric Co. by crossing Web server
The quality of power supply of transformer station is held, is timely and accurately taken appropriate measures to adjust the quality of power supply；The utility model realizes electric energy
Real-time collection, transmission, processing and the storage of data, lost caused by when reducing power quality problem and failure.
Brief description of the drawings
Fig. 1 is the electric energy quality monitoring system structured flowchart disclosed in the utility model embodiment；
Wherein, 1, electric energy quality monitoring terminal, 2, monitoring main website, 3, voltage probe, 4, current clamp, 5, voltage signal isolation
Circuit, 6, current signal isolation circuit, 7, amplification and filter circuit, 8, electric energy measurement module, 9, core processing module, 10, logical
Believe module, 11, GPS-time reference module, 12, human-computer interaction module, 13, output module, 14, current transformer, 15, voltage it is mutual
Sensor, 16, the network switch, 17, interface server, 18, application server, 19, central server, 20, database server,
21st, Web server, 22, fire wall, 23, disk array, 24, client.
Embodiment
The utility model is further illustrated below in conjunction with the accompanying drawings.
A kind of exemplary embodiment of the application, as shown in Figure 1, there is provided a kind of electric energy quality monitoring system, including electricity
Can quality monitoring terminal 1 and monitoring main website 2.
The electric energy quality monitoring terminal 1 includes data acquisition module, core processing module 9, GPS-time reference module 11
With communication module 10, the data acquisition module includes signal acquisition sensor, signal conditioning circuit, electric energy measurement module 8；Institute
The input for stating electric energy measurement module connects signal acquisition sensor for gathering the quality of power supply by signal conditioning circuit；It is described
The output end of electric energy measurement module 8 is connected by SPI interface with core processing module 9, the input of the core processing module 9
It is connected with GPS-time reference module 11；The core processing module 9 is connected by communication module 12 with monitoring main website 2.
The monitoring main website 2 includes the network switch 16 and the interface server being connected successively with the network switch
17th, application server 18, central server 19 and fire wall 22, number is connected between the central database 19 and fire wall 22
According to storehouse server 20 and Web server 21, the network switch 16 is connected with communication module 10；The Web server 21 with
Client 24 connects, and realizes the Web Publishing of power quality data；The database server 20 also connects with a disk array 23
Connect, preserve power quality data in a database format.
In the present embodiment, the electric energy measurement module 8 uses ATT7022C electric energy measure chips.ATT7022C is one
The multi-function electricity fraudulent using-proof principal wave harmonic wave three-phase electric energy the special metering IC that precision is high and function is strong, it is integrated with seven road second orders
Sigma-delta ADC, wherein three tunnels sample for three-phase voltage, three tunnels sample for three-phase current, are used for zero all the way in addition
The sampling of line current, exports sampled data and virtual value, the chip are applied to phase three-wire three and three-phase and four-line application.
In the present embodiment, the communication module 10 connects including local communications port, wired network interface and wireless network
Mouthful, the local communication interface includes RS232 interface, RS485 interfaces, RS422 interfaces, USB interface, and wired network interface includes
Ethernet cable port；Radio network interface includes GSM, CDMA, WCDMA public radio communication network interface.
In the present embodiment, the core processing module is that the one or more in single-chip microcomputer, DSP or ARM are combined.
The electric energy quality monitoring system that the present embodiment proposes, electric energy quality monitoring terminal are connected with detected power network, are received
Detection instruction, three-phase voltage and electric current are gathered by signal acquisition sensor, successively by signal conditioning circuit, electric energy measurement mould
After block and core core processing module, each electric energy quality monitoring parameter is shown by human-computer interaction module, and pass through communication module
Measurement data is uploaded to monitoring main website, measurement data is passed sequentially through interface server and application server for storage by monitoring main website
In central database, monitoring main website is by Web server by the Web Publishing of power quality data to client, Utilities Electric Co.
The power network quality of power supply can be ensured by constantly adjusting by client Real Time Observation and the power transmission quality of grasp transformer station.
The electric energy quality monitoring system that one embodiment of the invention is provided, the output end of its core processing module is also
It is connected with human-computer interaction module 12 and output module 13, the human-computer interaction module 12 is LCDs and button or keyboard,
The output module 13 is control relay circuit, for the information of outputing of control device, device exception, clock step-out, electric energy
Start the corresponding actuating of relay during quality events.
On the basis of above-described embodiment, in one embodiment of the invention, it is mutual that the signal acquisition sensor includes electric current
Sensor 14 and voltage transformer 15.
The signal conditioning circuit includes voltage signal isolation circuit 5, current signal isolation circuit 6 and amplification and filtered electrical
Road 7, the input of the voltage signal isolation circuit 5 are connected by voltage probe 3 with voltage transformer 14, the current signal
The input of isolation circuit 6 is connected by current clamp 4 with current transformer 15, the output end of the voltage signal isolation circuit 5,
The output end of current signal isolation circuit 6 is connected with amplifying with filter circuit 7 respectively, the amplification and the output of filter circuit 7
End is connected with electric energy measurement module 8.
In the present embodiment, the current clamp 4 includes current sensor, lead, removable gland, strong magnets, tension
Device and joint, current sensor and joint are separately mounted to the both ends of lead, and removable gland is sleeved on lead, tense
Device and strong magnets are packed in removable gland.Using the current clamp effectively avoid Current Transformer Secondary open circuit and
Damage, extends current transformer service life.
In the present embodiment, the voltage probe 3 is internally provided with voltage reduction module.
The electric energy quality monitoring system that the present embodiment proposes, using voltage transformer collection voltages signal, voltage transformer
The voltage signal of secondary side decays to original 1/100 by voltage probe, and signal isolation is carried out through overvoltage signal isolation circuit
Afterwards, by amplifying with being transmitted after filter circuit to electric energy measurement module；Current signal, Current Mutual Inductance are gathered using current transformer
The current signal of device secondary side is small voltage signal through current clamp mutual inductance, and signal isolation is carried out through overcurrent signal isolation circuit
Afterwards, by amplifying with being transmitted after filter circuit to electric energy measurement module.
The electric energy quality monitoring system that one embodiment of the invention is provided, its described core processing module are connected with
Memory module, the memory module use FM24C64 storage chips and eeprom memory.
As can be seen from the above description, the application the above embodiments realize following technique effect：
The utility model is connected using electric energy quality monitoring terminal with detected power network, is gathered by signal acquisition sensor
Three-phase voltage and electric current, successively after signal conditioning circuit, electric energy measurement module and core core processing module, by man-machine
Interactive module shows each electric energy quality monitoring parameter, and data are uploaded into monitoring main website by communication module, and monitoring main website leads to
Client Real Time Observation and the palm can be passed through by the Web Publishing of power quality data to client, Utilities Electric Co. by crossing Web server
The power transmission quality of transformer station is held, ensures the power network quality of power supply by constantly adjusting；The utility model realizes the reality of energy data
When collection, transmission, processing and storage, reduce power quality problem and loss caused by during failure.
It is not new to this practicality although above-mentioned specific embodiment of the present utility model is described with reference to accompanying drawing
The limitation of type protection domain, one of ordinary skill in the art should be understood that on the basis of the technical solution of the utility model, ability
Field technique personnel need not pay the various modifications that creative work can make or deformation still in protection model of the present utility model
Within enclosing.
Claims (10)
1. a kind of electric energy quality monitoring system, it is characterized in that, including electric energy quality monitoring terminal and monitoring main website, the electric energy matter
Amount monitoring terminal includes data acquisition module, core processing module, GPS-time reference module and communication module, and the data are adopted
Collection module includes signal acquisition sensor, signal conditioning circuit and electric energy measurement module；The input of the electric energy measurement module
Signal acquisition sensor for gathering the quality of power supply is connect by signal conditioning circuit；The output end of the electric energy measurement module is led to
Cross SPI interface to be connected with core processing module, the input of the core processing module is connected with GPS-time reference module；Institute
Core processing module is stated to be connected with monitoring main website by communication module；It is described monitoring main website include the network switch and successively with
Interface server, application server, central server and the fire wall of network switch connection, the central database is with preventing
Database server and Web server are connected between wall with flues, the network switch is connected with communication module；The Web clothes
Business device is connected with client, realizes the Web Publishing of power quality data；The database server also connects with a disk array
Connect, preserve power quality data in a database format.
2. electric energy quality monitoring system according to claim 1, it is characterized in that, the electric energy measurement module uses
ATT7022C electric energy measure chips.
3. electric energy quality monitoring system according to claim 1, it is characterized in that, the output end of the core processing module is also
It is connected with human-computer interaction module and output module, the human-computer interaction module is LCDs, button or keyboard, the output
Module is control relay circuit, for the information of outputing of control device, when device exception, clock step-out, quality of power supply event
Start the corresponding actuating of relay.
4. electric energy quality monitoring system according to claim 1, it is characterized in that, the communication module includes local communication end
Mouth, wired network interface and radio network interface, the local communication interface include RS232 interface, RS485 interfaces, RS422 and connect
Mouth and USB interface；The wired network interface includes Ethernet cable port；The radio network interface include GSM, CDMA,
WCDMA public radio communication network interface.
5. electric energy quality monitoring system according to claim 1, it is characterized in that, the signal acquisition sensor includes electric current
Transformer and voltage transformer.
6. electric energy quality monitoring system according to claim 5, it is characterized in that, the signal conditioning circuit is believed including voltage
Number isolation circuit, current signal isolation circuit and amplification and filter circuit, the input of the voltage signal isolation circuit pass through
Voltage probe is connected with voltage transformer, and the input of the current signal isolation circuit is connected by current clamp and current transformer
Connect, the output end of the voltage signal isolation circuit, the output end of current signal isolation circuit respectively with amplification and filter circuit
Connection.
7. electric energy quality monitoring system according to claim 6, it is characterized in that, the current clamp include current sensor,
Lead, removable gland, strong magnets, take-up device and joint, current sensor and joint are separately mounted to the two of lead
End, removable gland are sleeved on lead, and take-up device and strong magnets are packed in removable gland.
8. electric energy quality monitoring system according to claim 6, it is characterized in that, the voltage probe is internally provided with decompression
Module.
9. electric energy quality monitoring system according to claim 1, it is characterized in that, the core processing module be single-chip microcomputer,
One or more in DSP or ARM are combined.
10. electric energy quality monitoring system according to claim 1, it is characterized in that, the core processing module, which is connected with, deposits
Module is stored up, the memory module uses FM24C64 storage chips and eeprom memory.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721111673.XU CN207114664U (en) | 2017-08-31 | 2017-08-31 | A kind of electric energy quality monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721111673.XU CN207114664U (en) | 2017-08-31 | 2017-08-31 | A kind of electric energy quality monitoring system |
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| CN207114664U true CN207114664U (en) | 2018-03-16 |
Family
ID=61574256
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721111673.XU Active CN207114664U (en) | 2017-08-31 | 2017-08-31 | A kind of electric energy quality monitoring system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110224488A (en) * | 2019-06-19 | 2019-09-10 | 广州炫通电气科技有限公司 | Electric quantity metering and equipment for monitoring power quality and system |
| CN113311257A (en) * | 2021-04-28 | 2021-08-27 | 航粤智能电气股份有限公司 | Comprehensive monitoring device for electric equipment |
| CN113884759A (en) * | 2021-11-08 | 2022-01-04 | 榆林市榆神工业区锦阳光伏电力有限公司 | Electric energy quality monitoring device |
| CN114325540A (en) * | 2021-11-15 | 2022-04-12 | 国网辽宁省电力有限公司电力科学研究院 | Automatic detection system and method |
-
2017
- 2017-08-31 CN CN201721111673.XU patent/CN207114664U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110224488A (en) * | 2019-06-19 | 2019-09-10 | 广州炫通电气科技有限公司 | Electric quantity metering and equipment for monitoring power quality and system |
| CN113311257A (en) * | 2021-04-28 | 2021-08-27 | 航粤智能电气股份有限公司 | Comprehensive monitoring device for electric equipment |
| CN113884759A (en) * | 2021-11-08 | 2022-01-04 | 榆林市榆神工业区锦阳光伏电力有限公司 | Electric energy quality monitoring device |
| CN114325540A (en) * | 2021-11-15 | 2022-04-12 | 国网辽宁省电力有限公司电力科学研究院 | Automatic detection system and method |
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