CN106645904A - Lightning peak voltage waveform recording instrument - Google Patents
Lightning peak voltage waveform recording instrument Download PDFInfo
- Publication number
- CN106645904A CN106645904A CN201610953607.0A CN201610953607A CN106645904A CN 106645904 A CN106645904 A CN 106645904A CN 201610953607 A CN201610953607 A CN 201610953607A CN 106645904 A CN106645904 A CN 106645904A
- Authority
- CN
- China
- Prior art keywords
- circuit
- converter
- output end
- lightning
- thunder
- 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
Links
Classifications
-
- 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)
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
Abstract
The invention relates to a lightning peak voltage waveform recording instrument which comprises a sampling circuit (1), an amplifying circuit (2), a signal processing circuit (3), a CPU processing system (4), an LCD display circuit (5), a menu input circuit (6), a 485 communication cable (7), and a direct current power supply circuit (8). The sampling circuit (1), the amplifying circuit (2), the signal processing circuit (3), and the CPU processing system (4) are electrically connected in sequence. The LCD display circuit (5), the menu input circuit (6), the 485 communication cable (7), and the direct current power supply circuit (8) are all connected with the CPU processing system (4). Simple in structure and low-cost to make, the recording instrument can be conveniently used.
Description
Technical field
The present invention relates to a kind of thunder and lightning crest voltage wave tracer.
Background technology
Lightning Disaster has become one of meteorological disaster that destructiveness is on the rise, and China is every year because thunderbolt causes casualties
Up to thousands of people, property loss is even more and reaches surprising over ten billion Yuan RMB, and thunder and lightning Jing often breaks railway, aviation, finance, electricity
The service systems such as power, telecommunications, TV, network and facility, are the frequency more and more highers that power system is struck by lightning by it, and Jing often makes
Into transformer substation switch tripping operation, the situation of most serious is power transformer of breaking, therefore the accurate measurement to thunder and lightning crest voltage shows
Obtain more and more important.
The patent of invention of a kind of power network overvoltage signal detection method and system is announced in 2015.08.05 days, publication No.
For CN 102721854B, the patent of invention has two overcurrent recording channels, by the no-load voltage ratio of current sensor, produces defeated
Go out voltage, the output voltage produces an output voltage linear with line voltage after integrator.
The invention has certain power network overvoltage signal detection writing function, but also has the following disadvantages.
1. whole system is made up of signal process box, harvester, computer, protection device, and system is big, and circuit is complicated,
Own power consumes big, and high cost is not suitable with large-area applications.
2. the not direct monitoring record on bus of the overvoltage value that the patent of invention recorded is arrived, and is existed larger
Registration accuracy error.
3. can not be directly mounted in distributing box.
4 can not directly search at the scene record data.
The content of the invention
Technical problem solved by the invention is to provide a kind of thunder and lightning crest voltage wave tracer, to solve the above-mentioned back of the body
Scape technical disadvantages.
Technical problem solved by the invention employs the following technical solutions to realize:Its master includes:Sample circuit (1), put
Big circuit (2), signal processing circuit (3), CPU processing systems (4), LCD display circuit (5), menu input circuit (6), 485 lead to
Letter (7), D/C power circuit (8), it is characterised in that, the sample circuit (1), amplifying circuit (2), synthetic circuit (3), at CPU
Reason system (4) is sequentially connected electrically, the LCD display circuit (5), menu input circuit (6), 485 communications (7), D/C power circuit
(8) it is connected with CPU processing systems (4).
Signal processing circuit (3) tie point includes being connected to the input circuit (21) of amplifying circuit (2) output end, connects
In the A/D converter (22) of input circuit (21) output end, the storage circuit (23) of A/D converter (22) output end is connected to, is connect
In the D/A converter (24) of storage circuit (23) output end, output station and the CPU processing systems (4) of the D/A converter (24)
It is connected, the branch road of the triggers circuit (3) second includes being connected to the input circuit (25) of amplifying circuit (2) output end, is connected to input
The control system (26) of circuit (25) output end, is connected to the D/A converter (27) of control system (26) output end, and the D/A turns
The output end of parallel operation is connected with CPU processing systems (4).
A kind of described thunder and lightning crest voltage wave tracer, it is characterised in that, the model that the amplifying circuit (2) adopts
It is AD711, the model that the A/D converter (22) adopts is AD674, the model that the storage circuit (23) adopts is
IDT7204, the model that the D/A converter (24), D/A converter (27) are adopted is TLV5618, the CPU processing systems (4)
Using model be ALC269Q, it is described 485 communication (7) adopt models be ADM2483.
A kind of described thunder and lightning crest voltage wave tracer, it is characterised in that, the sample circuit (1) is by serial resistance
R1, R2 constitute its intermediate ends for sampled signal.
A kind of described thunder and lightning crest voltage wave tracer, it is characterised in that, the sample circuit (1) can also be by
Serial resistance C1, C2 constitute its intermediate ends for sampled signal.
Beneficial effect is that the present invention can overcome the deficiencies in the prior art, directly on bus monitoring record thunder and lightning peak value
Voltage waveform, monitoring function is integrated in one, meanwhile, present configuration is simple, with low cost, practical and convenient.
Description of the drawings
Fig. 1 is the theory diagram of the present invention.
Fig. 2 is the resistance sampling circuit theory diagrams of the present invention.
Fig. 3 is the capacitor sampling circuit theory diagrams of the present invention.
Specific embodiment
To make the technological means of present invention realization, creation characteristic, being easy to understand with function with reaching mesh, with reference to
It is specifically illustrating, the present invention is expanded on further.
Referring to Fig. 1, a kind of thunder and lightning crest voltage wave tracer, its master includes:Sample circuit (1), amplifying circuit (2),
Signal processing circuit (3), CPU processing systems (4), LCD display circuit (5), menu input circuit (6), 485 communications (7), DC are electric
Source circuit (8), it is characterised in that, the sample circuit (1), amplifying circuit (2), synthetic circuit (3), CPU processing systems (4) according to
Secondary electrical connection, the LCD display circuit (5), menu input circuit (6), 485 communication (7), D/C power circuit (8) with CPU at
Reason system (4) is connected.
Signal processing circuit (3) tie point includes being connected to the input circuit (21) of amplifying circuit (2) output end, connects
In the A/D converter (22) of input circuit (21) output end, the storage circuit (23) of A/D converter (22) output end is connected to, is connect
In the D/A converter (24) of storage circuit (23) output end, output station and the CPU processing systems (4) of the D/A converter (24)
It is connected, the branch road of the triggers circuit (3) second includes being connected to the input circuit (25) of amplifying circuit (2) output end, is connected to input
The control system (26) of circuit (25) output end, is connected to the D/A converter (27) of control system (26) output end, and the D/A turns
The output end of parallel operation is connected with CPU processing systems (4).
A kind of described thunder and lightning crest voltage wave tracer, it is characterised in that, the model that the amplifying circuit (2) adopts
It is AD711, the model that the A/D converter (22) adopts is AD674, the model that the storage circuit (23) adopts is
IDT7204, the model that the D/A converter (24), D/A converter (27) are adopted is TLV5618, the CPU processing systems (4)
Using model be ALC269Q, it is described 485 communication (7) adopt models be ADM2483.
Referring to Fig. 2, a kind of described thunder and lightning crest voltage wave tracer, it is characterised in that, the sample circuit (1) by
Serial resistance R1, R2 constitute its intermediate ends for sampled signal, when overvoltage signal is entered, overvoltage Jing resistance R1, R2 partial pressure
It is supplied to amplifying circuit (2) to be amplified process.
Referring to Fig. 3, a kind of described thunder and lightning crest voltage wave tracer, it is characterised in that, the sample circuit (1) is also
Can be made up of series capacitance C1, C2, its intermediate ends is sampled signal, when overvoltage signal is entered, overvoltage Jing electric capacity
C1, C2 partial pressure is supplied to amplifying circuit (2) to be amplified process,.
The general principle and principal character and advantages of the present invention of the present invention, the technology of the industry has been shown and described above
Personnel it should be appreciated that the present invention is not restricted to the described embodiments, the simply explanation described in above-described embodiment and specification this
The principle of invention, without departing from the spirit and scope of the invention, the present invention also has various changes and modifications, and these change and change
Enter and both fall within the range of claimed invention, the claimed scope of the invention is by appending claims and its equivalent circle.
It is fixed.
Claims (5)
1. a kind of thunder and lightning crest voltage wave tracer, its master includes:Sample circuit (1), amplifying circuit (2), signal transacting electricity
Road (3), CPU processing systems (4), LCD display circuit (5), menu input circuit (6), 485 communications (7), D/C power circuit (8),
It is characterized in that, the sample circuit (1), amplifying circuit (2), synthetic circuit (3), CPU processing systems (4) are sequentially connected electrically,
The LCD display circuit (5), menu input circuit (6), 485 communication (7), D/C power circuit (8) with CPU processing systems (4)
It is connected.
2. a kind of thunder and lightning crest voltage wave tracer according to claim 1, it is characterised in that, the signal transacting electricity
Road (3) tie point includes being connected to the input circuit (21) of amplifying circuit (2) output end, is connected to input circuit (21) output end
A/D converter (22), is connected to the storage circuit (23) of A/D converter (22) output end, is connected to storage circuit (23) output end
D/A converter (24), the output station of the D/A converter (24) is connected with CPU processing systems (4), the triggers circuit (3)
Two branch roads include being connected to the input circuit (25) of amplifying circuit (2) output end, are connected to the control system of input circuit (25) output end
System (26), is connected to the D/A converter (27) of control system (26) output end, output end and the CPU processing systems of the D/A converter
System (4) is connected.
3. a kind of thunder and lightning crest voltage wave tracer according to claim 1, it is characterised in that, the amplifying circuit
(2) model for adopting is AD711, and the model that the A/D converter (22) adopts is AD674, and the storage circuit (23) adopts
Model be IDT7204, the D/A converter (24), D/A converter (27) adopt model be TLV5618, at the CPU
The model that reason system (4) is adopted is ALC269Q, and the model that the communication (7) adopts is ADM2483.
4. a kind of thunder and lightning crest voltage wave tracer according to claim 1, it is characterised in that, the sample circuit
(1) its intermediate ends is constituted for sampled signal by serial resistance R1, R2.
5. a kind of thunder and lightning crest voltage wave tracer according to claim 1, it is characterised in that, the sample circuit
(1) can also be and its intermediate ends is constituted for sampled signal by serial resistance C1, C2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610953607.0A CN106645904A (en) | 2016-11-03 | 2016-11-03 | Lightning peak voltage waveform recording instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610953607.0A CN106645904A (en) | 2016-11-03 | 2016-11-03 | Lightning peak voltage waveform recording instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106645904A true CN106645904A (en) | 2017-05-10 |
Family
ID=58821024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610953607.0A Pending CN106645904A (en) | 2016-11-03 | 2016-11-03 | Lightning peak voltage waveform recording instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106645904A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110954740A (en) * | 2020-02-24 | 2020-04-03 | 长沙润迅通信设备有限公司 | Recording method of lightning wave shape |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202275108U (en) * | 2011-08-30 | 2012-06-13 | 湖南亿信安科技有限公司 | Thunder peak voltage on-line recorder |
| CN102721854A (en) * | 2012-05-31 | 2012-10-10 | 重庆市电力公司綦南供电局 | Method and system for detecting overvoltage signal of power grid |
| US20120286770A1 (en) * | 2011-05-11 | 2012-11-15 | Schreder | Lighting systems |
| CN103197134A (en) * | 2013-03-29 | 2013-07-10 | 自贡华能电器有限公司 | Online data collection device for lightning arrester |
| CN204065226U (en) * | 2014-08-12 | 2014-12-31 | 杨雪飞 | A kind of instantaneous peak voltage measuring instrument |
| CN105301339A (en) * | 2014-06-04 | 2016-02-03 | 长沙群瑞电子科技有限公司 | Thunder residual voltage monitor |
-
2016
- 2016-11-03 CN CN201610953607.0A patent/CN106645904A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120286770A1 (en) * | 2011-05-11 | 2012-11-15 | Schreder | Lighting systems |
| CN202275108U (en) * | 2011-08-30 | 2012-06-13 | 湖南亿信安科技有限公司 | Thunder peak voltage on-line recorder |
| CN102721854A (en) * | 2012-05-31 | 2012-10-10 | 重庆市电力公司綦南供电局 | Method and system for detecting overvoltage signal of power grid |
| CN103197134A (en) * | 2013-03-29 | 2013-07-10 | 自贡华能电器有限公司 | Online data collection device for lightning arrester |
| CN105301339A (en) * | 2014-06-04 | 2016-02-03 | 长沙群瑞电子科技有限公司 | Thunder residual voltage monitor |
| CN204065226U (en) * | 2014-08-12 | 2014-12-31 | 杨雪飞 | A kind of instantaneous peak voltage measuring instrument |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110954740A (en) * | 2020-02-24 | 2020-04-03 | 长沙润迅通信设备有限公司 | Recording method of lightning wave shape |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6547217B2 (en) | Capacitor-type instrument transformer for transient overvoltage monitoring system | |
| CN201522541U (en) | Transformer substation electrical equipment on-line monitoring system | |
| CN204269746U (en) | A kind of MOA lightning arrester on-Line Monitor Device | |
| CN102128972A (en) | Sensor device for monitoring transient voltage of broadband integral type power grid | |
| CN204495898U (en) | A kind of transformer superpotential on-line monitoring system | |
| CN107907806A (en) | A kind of bus voltage measurement device based on GIS disc insulator distribution capacity | |
| CN201302591Y (en) | Over-voltage online monitoring device | |
| CN204649859U (en) | A kind of transmission line of electricity over-voltage measurement analogue test platform | |
| CN103592497A (en) | Broadband voltage collector | |
| CN104215819A (en) | Monitoring device for gas insulated switchgear (GIS) thunder-and-lightening invasion overvoltage | |
| CN106645904A (en) | Lightning peak voltage waveform recording instrument | |
| CN201311836Y (en) | Electronic voltage transformer | |
| CN212159921U (en) | Transient overvoltage and overcurrent monitoring device | |
| CN203249969U (en) | A lightning arrester having a ground resistance testing function | |
| CN203149066U (en) | Distributed on-line insulation monitoring device for electrical network operation equipment | |
| CN113206544A (en) | Power grid GIC monitoring device based on transformer high-voltage incoming and outgoing lines | |
| CN207516494U (en) | A kind of bus voltage measurement device based on GIS disc insulator distribution capacity | |
| CN206223859U (en) | A kind of high-voltage fence on-line overvoltage monitor | |
| CN204330875U (en) | A kind of over-voltage monitoring instrument | |
| CN105021878A (en) | Lightning arrester lightning monitoring recorder | |
| CN204720959U (en) | EN dividing potential drop sampling type earth leakage protective device | |
| CN207440167U (en) | A kind of transformer transient overvoltage and casing dielectric loss signal synchronous collection device | |
| CN203101499U (en) | Voltage acquisition circuit | |
| CN106324334A (en) | Recorder for lighting peak current waveform of arrester | |
| CN205157063U (en) | Wireless temperature measurement device |
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 | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170510 |
|
| WD01 | Invention patent application deemed withdrawn after publication |