CN106597074A - Novel voltage sag monitoring device - Google Patents
Novel voltage sag monitoring device Download PDFInfo
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- CN106597074A CN106597074A CN201611147098.9A CN201611147098A CN106597074A CN 106597074 A CN106597074 A CN 106597074A CN 201611147098 A CN201611147098 A CN 201611147098A CN 106597074 A CN106597074 A CN 106597074A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
- G01R19/2503—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques for measuring voltage only, e.g. digital volt meters (DVM's)
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- General Physics & Mathematics (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses a novel voltage sag monitoring device which comprises a body, a signal lamp, a liquid crystal screen, an operation button, a power interface, a signal input interface, an Ethernet interface, a WIFI interface, a modbus interface, a to-be-tested circuit interface, a data processing circuit board, a power supply system, a power supply module, a power input circuit, a power output circuit, a filter circuit, an optical isolation circuit, an AD circuit, a voltage acquisition module, a signal input unit, an action loop, a relay, an Ethernet module, a WIFI module, a modbus Module, a signal output unit, a network communication unit, a human-machine interaction unit, a data receiving system, a CPU, and a signal output interface. The novel voltage sag monitoring device provides a possibility of on-line monitoring of the voltage sag.
Description
Technical field
The present invention relates to a kind of voltage dip monitoring device, specially a kind of new voltage dip monitoring device, belong to
Voltage monitoring, detection technique application.
Background technology
Today's society, human being's production, life all too busy to get away electric energy, the quality of the quality of power supply is increasingly taken seriously,
Used as an important indicator of the quality of power supply, the quality of quality of voltage is related to the power quality of people to quality of voltage.At this stage,
Power supply department progressively begins to focus on the impact that voltage dip brings to power network safety operation, and on the other hand many enterprises use
Also gradually pay close attention to voltage dip and the impact for bringing is produced to it in family.If voltage dip data can not be analyzed in time, electricity
The harm for bringing temporarily drops in pressure cannot be controlled effectively in time, cause more economic losses.Voltage monitor (voltage
Surge detection instrument, voltage dip detection means, voltage dip monitoring device) can analyze common present in current power system
Voltage problem, meets current China and builds new electric power again, advances electrification innovation policy, is that China realizes intelligent grid, strong
Electrical network establishes solid foundation.
Existing voltage dip monitoring device still suffers from certain defect in terms of information transfer, is precisely catching line voltage
Transient event aspect still suffers from defect, and the problems such as seizure data are not accurate, and error is big often occurs.And temporarily drop monitoring networking
Selection mode it is more single, convenience and practicality not enough, so as to affect the result of data processing.Therefore, ask for above-mentioned
Topic proposes a kind of new voltage dip monitoring device.
The content of the invention
The purpose of the present invention is that and a kind of new voltage dip monitoring device is provided to solve the above problems.
The present invention is achieved through the following technical solutions above-mentioned purpose, including fuselage, and signal lamp is installed in the fuselage side,
And the signal lamp opposite side installs liquid crystal display, and several operation buttons are installed in the liquid crystal display side, and the fuselage is another
Side bottom arranges power interface, and the power interface side arranges Ethernet interface, and the Ethernet interface lower section is arranged
WIFI interface, the WIFI interface lower section arranges modbus interfaces, and the modbus interfaces side arranges CPU central authorities and processes single
Unit, the CPU CPU side arranges signal and opens incoming interface, and the signal is opened incoming interface lower section setting signal and outputed
Interface, the signal outputs interface side and arranges circuit under test interface, and the fuselage interior arranges data processing circuit plate, and institute
State data processing circuit plate and power module is connected by power supply output loop, the power module connects power input circuit, and
The power input circuit connects electric power system, and the data processing circuit intralamellar part arranges CPU CPU, and described
CPU CPU connects voltage acquisition module, signal and opens and output unit, net into unit, signal by data receiving system
Network communication unit, man-machine interaction unit, the signal outputs unit connecting moves loop and relay, the network communication unit
Connection ethernet module, WIFI module, modbus modules.
Preferably, in order that the voltage acquisition module 19, the signal inside device is opened into unit 20, the signal
Output the hardware of unit 26, the network communication unit 27, the man-machine interaction unit 28 and the CPU CPU 30
Loop stability is operated, and the electric power system is electrically connected with power interface, and the AC and DC voltage of the power interface be 220V or
DC voltage is 110V, the working power of the type such as described power module output 5V, 12V, 24V.
Preferably, in order to convert analog signals into data signal, the voltage acquisition module is opened into list with the signal
Unit is all connected with filter circuit, optically isolated loop, AD loops.
Preferably, in order to realize various communication interfaces mode, the ethernet module, WIFI module, modbus modules are divided
Lian Jie not Ethernet interface, WIFI interface, modbus interfaces.
Preferably, in order to realize the functions such as parameter setting, setting management, data are checked, data are downloaded, and the signal is used
The different colours information converting of lamp 2 is representing the current various running conditions of device and abnormal conditions, the man-machine interaction unit
Connect the liquid crystal display, the operation button, the signal lamp.
The invention has the beneficial effects as follows：Invention provides a kind of new voltage dip monitoring device, and network communication
Unit is made up of various communication modules such as ethernet module, modbus modules, WIFI modules, and is equipped with various communication interfaces,
Multiple choices mode is provided for net of temporarily coming down to a lower group, the convenience and practicality of networking is improve.The voltage dip that device monitoring goes out
Data acquisition is accurate, high precision.Can transmit to administrative center in many ways and be analyzed, there is provided be powerful, flexible logical
News scheme, for grid company voltage dip networking diversity is provided, and is provided for the voltage dip monitoring networking inside user
Multi-selection.Possibility is provided for the real-time of voltage dip Monitoring Data, high efficiency transmission.
Description of the drawings
Fig. 1 is the overall structure front view of the present invention.
Fig. 2 is the overall structure side view of the present invention.
Fig. 3 is data processing circuit intralamellar part construction module figure of the present invention.
In figure：1st, fuselage, 2, signal lamp, 3, liquid crystal display, 4, operation button, 5, power interface, 6, signal open incoming interface, 7,
Ethernet interface, 8, WIFI interface, 9, modbus interfaces, 10, circuit under test interface, 11, data processing circuit plate, 12, power supply
System, 13, power module, 14, power input circuit, 15, power supply output loop, 16, filter circuit, 17, optically isolated loop,
18th, AD loops, 19, voltage acquisition module, 20, signal open into unit, 21, action circuit, 22, relay, 23, Ethernet mould
Block, 24, WIFI module, 25, modbus modules, 26, signal output unit, 27, network communication unit, 28, man-machine interaction unit,
29th, data receiving system, 30, CPU CPU, 31, signal output interface.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Refer to shown in Fig. 1-3, a kind of new voltage dip monitoring device, including fuselage 1, letter is installed in the side of fuselage 1
Signal lamp 2, and the opposite side of signal lamp 2 installs liquid crystal display 3, and several operation buttons 4, the opposite side of fuselage 1 are installed in the side of liquid crystal display 3
Bottom arranges power interface 5, and the side of power interface 5 arranges Ethernet interface 7, and the lower section of Ethernet interface 7 arranges WIFI interface
8, the lower section of WIFI interface 8 arranges modbus interfaces 9, and the side of modbus interfaces 9 arranges CPU CPU 30, and CPU is central
The side of processing unit 30 arranges signal and opens incoming interface 6, and signal opens the lower section of incoming interface 6 setting signal and outputs interface 31, and signal is opened
The side of outgoing interface 31 arranges circuit under test interface 10, the internal setting data process circuit plate 11 of fuselage 1, and data processing circuit plate
11 connect power module 13, the connection power input circuit 14 of power module 13, and power input by power supply output loop 15 returns
Road 14 connects electric power system 12, and the inside of data processing circuit plate 11 arranges CPU CPU 30, and CPU central authorities process single
Unit 30 connects voltage acquisition module 19, signal and opens that to output unit 26, network into unit 20, signal logical by data receiving system 29
News unit 27, man-machine interaction unit 28, signal outputs the connecting moves loop 21 of unit 26 and relay 22, network communication unit 27
Connection ethernet module 23, WIFI module 24, modbus modules 25.
Used as a kind of technical optimization scheme of the present invention, electric power system 12 is electrically connected with power interface 5, and power interface 5
AC and DC voltage be 220V or DC voltage be 110V, the working power of the type such as power module 13 output 5V, 12V, 24V,
Open for the voltage acquisition module 19, signal inside device and output unit 26, network communication unit 27, man-machine into unit 20, signal
The hardware-in-the-loop of interactive unit 28 and CPU CPU 30 is powered.
Used as a kind of technical optimization scheme of the present invention, voltage acquisition module 19 is opened with signal and is all connected with filtering into unit 20
Loop 16, optically isolated loop 17, AD loops 18, voltage signal after filtering loop 16 by filtering isolation, by 16 AD by mould
Intend signal and be converted to data signal, there is provided to CPU CPU 30.
Used as a kind of technical optimization scheme of the present invention, ethernet module 23, WIFI module 24, modbus modules 25 are distinguished
Connection Ethernet interface 7, WIFI interface 8, modbus interfaces 9, when device needs to arrive the data of collection and event information teletransmission
When main website or other systems, according to the network environment of physical device installation scenario, corresponding communication module is selected as communication
Link, sets up the channel with main website communication.Line voltage transient event is precisely caught, various communication interfaces mode is realized, is temporary
Net of coming down to a lower group provides multiple choices mode, improves the convenience and practicality of networking.
As a kind of technical optimization scheme of the present invention, the connection liquid crystal display 3 of man-machine interaction unit 28, operation button 4, signal
Lamp 2, liquid crystal display 3 is used for the current Various types of data of display device and parameter, is realized to device just by the operation of operation button 4
Ground management, realizes the functions such as parameter setting, setting management, data are checked, data are downloaded, and is become with the different colours of signal lamp 2
Change information to represent the current various running conditions of device and abnormal conditions.
The present invention when in use, first, is connected device with circuit under test by circuit under test interface 10, is connect by power supply
Mouthful 5 engaging means, secondly, starter, device is with the high speed acquisition voltage and on-off model of 256 points of every cycle, Jing 16
The sampling of A/D chips, quantify, it is encoded translated for data signal, CPU CPU 30 is reached by bus.CPU central authorities are processed
Unit 30 calculates in real time the voltage sample data root-mean-square valve of a cycle, draws all-wave real effective.When all-wave it is very effective
Value starts transient event record ripple when the 10% to 90% of load voltage value is interval, keeps track of the duration of Voltage Drop,
When the time of Voltage Drop is within 10ms～1min, record ripple terminates, and CPU CPU 30 is packaged into recorder data
Comtrade forms are stored, the separately triggering record ripple record more than 1min.Meanwhile, CPU CPU 30 by this
Temporarily drop event message transmission is shown to the interface of liquid crystal display 3, while transient event signal lamp 2 is lighted, and closure signal is outputed
The outlet signal node of unit 26.Finally, after signal return, device recovers transient event signal lamp 2, and cut-off signal outputs list
The outlet signal node of unit 26.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of spirit or essential attributes without departing substantially from the present invention, the present invention can be in other specific forms realized.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit is required rather than described above is limited, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as and limit involved claim.
Moreover, it will be appreciated that although this specification is been described by according to embodiment, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity those skilled in the art should
Using specification as an entirety, the technical scheme in each embodiment can also Jing it is appropriately combined, form those skilled in the art
Understandable other embodiment.
Claims (5)
1. a kind of new voltage dip monitoring device, including fuselage (1), it is characterised in that：Fuselage (1) side is installed by letter
Signal lamp (2), and the signal lamp (2) opposite side installs liquid crystal display (3), and several operations are installed in the liquid crystal display (3) side
Button (4), fuselage (1) the opposite side bottom arranges power interface (5), and the power interface (5) side arranges Ethernet
Interface (7), Ethernet interface (7) lower section arranges WIFI interface (8), and WIFI interface (8) lower section arranges modbus and connects
Mouth (9), and the modbus interfaces (9) side arranges CPU CPU (30), the CPU CPU (30)
Side arranges signal and opens incoming interface (6), and the signal opens incoming interface (6) lower section setting signal and outputs interface (31), the letter
Number output interface (31) side and circuit under test interface (10) is set, the fuselage (1) internal setting data process circuit plate (11),
And the data processing circuit plate (11) connects power module (13), the power module (13) by power supply output loop (15)
Connection power input circuit (14), and the power input circuit (14) connection electric power system (12), the data processing circuit
CPU CPU (30) is set inside plate (11), and the CPU CPU (30) is by data receiving system
(29) connect voltage acquisition module (19), signal open into unit (20), signal output unit (26), network communication unit (27),
Man-machine interaction unit (28), the signal outputs unit (26) connecting moves loop (21) and relay (22), and the network leads to
News unit (27) connection ethernet module (23), WIFI module (24), modbus modules (25).
2. a kind of new voltage dip monitoring device according to claim 1, it is characterised in that：The electric power system
(12) power interface (5) is electrically connected with, and the AC and DC voltage of the power interface (5) is 220V or DC voltage is 110V,
The working power of the types such as described power module (13) output 5V, 12V, 24V.
3. a kind of new voltage dip monitoring device according to claim 1, it is characterised in that：The voltage acquisition mould
Block (19) is opened with the signal and is all connected with filter circuit (16), optically isolated loop (17), AD loops (18) into unit (20).
4. a kind of new voltage dip monitoring device according to claim 1, it is characterised in that：The ethernet module
(23), WIFI module (24), modbus modules (25) connect respectively Ethernet interface (7), WIFI interface (8), modbus interfaces
(9)。
5. a kind of new voltage dip monitoring device according to claim 1, it is characterised in that：The man-machine interaction list
First (28) connect the liquid crystal display (3), the operation button (4), the signal lamp (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611147098.9A CN106597074A (en) | 2016-12-13 | 2016-12-13 | Novel voltage sag monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611147098.9A CN106597074A (en) | 2016-12-13 | 2016-12-13 | Novel voltage sag monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106597074A true CN106597074A (en) | 2017-04-26 |
Family
ID=58801150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611147098.9A Pending CN106597074A (en) | 2016-12-13 | 2016-12-13 | Novel voltage sag monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106597074A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107515338A (en) * | 2017-08-14 | 2017-12-26 | 广州供电局有限公司 | Sensitive equipment voltage dip immunity test method and system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5886429A (en) * | 1997-12-11 | 1999-03-23 | Board Of Regents, The University Of Texas System | Voltage sag/swell testing station |
| CN201022023Y (en) * | 2006-12-14 | 2008-02-13 | 北京四方清能电气电子有限公司 | Remote monitoring and recording system for distributed power quality |
| CN201797449U (en) * | 2010-06-22 | 2011-04-13 | 武汉恒基圣益科技有限公司 | Direct current power supply |
| CN201819950U (en) * | 2010-08-17 | 2011-05-04 | 浙江师范大学 | Voltage sag detecting device based on synchronous digital phase shifting |
| CN102279327A (en) * | 2011-05-06 | 2011-12-14 | 重庆大学 | On-line monitoring and state evaluation system for photovoltaic grid-connected power generation |
| CN203164269U (en) * | 2013-03-29 | 2013-08-28 | 浙江永泰隆电子股份有限公司 | Portable voltage sag testing tool |
| CN105137164A (en) * | 2015-08-06 | 2015-12-09 | 江苏省电力公司苏州供电公司 | Voltage sag on-line monitoring device applied in power system |
-
2016
- 2016-12-13 CN CN201611147098.9A patent/CN106597074A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5886429A (en) * | 1997-12-11 | 1999-03-23 | Board Of Regents, The University Of Texas System | Voltage sag/swell testing station |
| CN201022023Y (en) * | 2006-12-14 | 2008-02-13 | 北京四方清能电气电子有限公司 | Remote monitoring and recording system for distributed power quality |
| CN201797449U (en) * | 2010-06-22 | 2011-04-13 | 武汉恒基圣益科技有限公司 | Direct current power supply |
| CN201819950U (en) * | 2010-08-17 | 2011-05-04 | 浙江师范大学 | Voltage sag detecting device based on synchronous digital phase shifting |
| CN102279327A (en) * | 2011-05-06 | 2011-12-14 | 重庆大学 | On-line monitoring and state evaluation system for photovoltaic grid-connected power generation |
| CN203164269U (en) * | 2013-03-29 | 2013-08-28 | 浙江永泰隆电子股份有限公司 | Portable voltage sag testing tool |
| CN105137164A (en) * | 2015-08-06 | 2015-12-09 | 江苏省电力公司苏州供电公司 | Voltage sag on-line monitoring device applied in power system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107515338A (en) * | 2017-08-14 | 2017-12-26 | 广州供电局有限公司 | Sensitive equipment voltage dip immunity test method and system |
| CN107515338B (en) * | 2017-08-14 | 2020-02-18 | 广州供电局有限公司 | Method and system for testing voltage sag immunity of sensitive equipment |
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Application publication date: 20170426 |