CN106970259A - A kind of low-voltage alternating-current electric current wireless monitoring device - Google Patents
A kind of low-voltage alternating-current electric current wireless monitoring device Download PDFInfo
- Publication number
- CN106970259A CN106970259A CN201710291655.2A CN201710291655A CN106970259A CN 106970259 A CN106970259 A CN 106970259A CN 201710291655 A CN201710291655 A CN 201710291655A CN 106970259 A CN106970259 A CN 106970259A
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- data transmission
- wireless data
- module
- transmission module
- monitoring
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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
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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
- Y04S40/00—Systems 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
- Y04S40/12—Systems 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
- Y04S40/126—Systems 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Current Or Voltage (AREA)
Abstract
The invention discloses a kind of low-voltage alternating-current electric current wireless monitoring device, including monitoring sampling module and processing display module, the monitoring sampling module is connected by wireless data transmission module with processing display module communication, and the wireless data transmission module includes the main wireless data transmission module being correspondingly arranged from wireless data transmission module and with processing display module being correspondingly arranged with monitoring sampling module;Described detection sampling module includes high precision current transformer, I/V converters and A/D converter.Present invention can be implemented in need the low-voltage alternating-current electric current signal gathered to measure experiment in complicated field test environment, and wirelessly real-time Transmission, the data of test monitoring point can be reflected to by test director with the very first time, special monitoring personnel amount is reduced simultaneously, monitoring personnel and high voltage alive equipment close contact chance are reduced, the safety coefficient in process of the test is improved.
Description
Technical field
The present invention relates to the experimental rig technical field measured to low-voltage alternating-current electric current signal, more particularly to one kind are low
Press alternating current wireless monitoring device.
Background technology
At present, it is necessary to reality when when for example power transformer is long for large electric experiment, inducting-voltage proof and shelf depreciation are tested
When collection monitoring power supply, the input and the curent change situation of output end of frequency conversion tank or testing transformer because whole examination
Test that process is complicated and changeable, timely Adjustment Tests thinking can be accomplished by monitoring the curent change of these positions, it is to avoid in process of the test
Occur because excessively stream causes the event for testing main equipment damage to occur.Professional is arranged when traditional mode is experiment incessantly
Monitoring card is sung and readed aloud to test director in the clamp on amperemeter of monitoring point, is done by test director according to the count off of monitoring personnel
Go out to judge.It is temporal delayed to there is count off in which, it is impossible to the test director very first time is made a response, and monitoring people
Member needs close-ups clamp on amperemeter data, and from high-tension testing apparatus hypotelorism, there is also certain risk.
The content of the invention
It is an object of the invention to provide a kind of low-voltage alternating-current electric current wireless monitoring device, complicated scene examination can be may be implemented in
Testing in environment needs the low-voltage alternating-current electric current signal gathered to measure experiment, and wirelessly real-time Transmission, can be with
The data of test monitoring point are reflected to test director by the very first time, while reducing special monitoring personnel amount, reduce monitoring
Personnel and high voltage alive equipment close contact chance, improve the safety coefficient in process of the test.
The technical solution adopted by the present invention is:
A kind of low-voltage alternating-current electric current wireless monitoring device, including monitoring sampling module and processing display module, the monitoring sampling
Module is connected by wireless data transmission module with processing display module communication, and the wireless data transmission module includes and monitoring sampling module
The main wireless data transmission module being correspondingly arranged from wireless data transmission module and with processing display module being correspondingly arranged;Described detection is adopted
Egf block includes high precision current transformer, I/V converters and A/D converter, and described high precision current transformer, which is fixed, to be set
Put need to the alternating current wires at the place of sampling go out, and the output end of high precision current transformer secondary side connects the inputs of I/V converters
End, the output end of I/V converters connects the input of A/D converter, and the output end of A/D converter is connected from wireless data transmission module
Input;Described processing display module includes button controller, battery/charge controller, display unit and centre
Device is managed, the output end of described main wireless data transmission module connects the input of central processing unit, and the output end of central processing unit connects
The output end of display unit is connect, button controller, battery/charge controller are connected with central processing unit respectively.
Described monitoring sampling module is multiple, then is correspondingly arranged on each monitoring sampling module from wireless data transmission module
Number is also multiple, and the two quantity is equal;All is logical using the time-division with main wireless data transmission module from wireless data transmission module
News mode is correspondingly arranged, and each has an independent ID address from wireless data transmission module, using the data with address code
Frame sends data or order.
Described display unit uses LCD display.
Present invention can be implemented in the low-voltage alternating-current electric current signal progress for needing to gather to experiment in complicated field test environment
The data of test monitoring point can be reflected to test director, together by measurement, and wirelessly real-time Transmission with the very first time
When reduce special monitoring personnel amount, reduce monitoring personnel and high voltage alive equipment close contact chance, improve and tested
Safety coefficient in journey.The system uses wireless transmission method, is combined with low-voltage alternating-current current measurement, realizes large electric
Test the real-time monitoring of mesolow ac current signal.The system uses wireless transmission method, with low-voltage alternating-current current measurement phase
With reference to, realize large electric test mesolow ac current signal real-time monitoring.
Brief description of the drawings
Fig. 1 is schematic block circuit diagram of the present invention.
Embodiment
As shown in figure 1, the present invention includes monitoring sampling module and processing display module is constituted, the monitoring sampling module leads to
Cross wireless data transmission module be connected with processing display module communication, the wireless data transmission module includes and monitors that sampling module is corresponding sets
The main wireless data transmission module being correspondingly arranged from wireless data transmission module and with processing display module put;Described detection sampling module
Including high precision current transformer, I/V converters and A/D converter, described high precision current transformer, which is fixedly installed on, to be needed
Alternating current wires at sampling go out, and the input of the output end connection I/V converters of high precision current transformer secondary side, I/V
The output end of converter connects the input of A/D converter, and the output end of A/D converter connects the input from wireless data transmission module
End;Described processing display module includes button controller, battery/charge controller, display unit and central processing unit, institute
The output end for the main wireless data transmission module stated connects the input of central processing unit, and the output end connection display of central processing unit is single
The output end of member, button controller, battery/charge controller are connected with central processing unit respectively.
Described monitoring sampling module is multiple, then is correspondingly arranged on each monitoring sampling module from wireless data transmission module
Number is also multiple, and the two quantity is equal;The problem of in order to avoid co-channel interference, system uses time division technique by the main nothing of system
Line number transmission module is separated with any communication between wireless data transmission module by the way of the time-division, each from wireless data transmission module
There is an independent ID address, data or order are sent using the data frame with address code.
The present invention sends the reply data of current sampling device to main wireless data transmission module in specific works.It is described
I/V converters the secondary current of input is converted into low-voltage, facilitate A/D converter to carry out analog-to-digital conversion to it.The present invention
May be implemented in complicated field test environment needs the low-voltage alternating-current electric current signal gathered to measure experiment, and by wireless
The data of test monitoring point can be reflected to test director by mode real-time Transmission with the very first time, while reducing special monitoring
Personnel amount, reduces monitoring personnel and high voltage alive equipment close contact chance, improves the safety coefficient in process of the test.
The system uses wireless transmission method, is combined with low-voltage alternating-current current measurement, realizes large electric experiment mesolow exchange
The real-time monitoring of current signal.The system uses wireless transmission method, is combined with low-voltage alternating-current current measurement, realizes large-scale
The real-time monitoring of electrical test mesolow ac current signal.
Claims (3)
1. a kind of low-voltage alternating-current electric current wireless monitoring device, it is characterised in that:Including monitoring sampling module and processing display module,
It is described monitoring sampling module by wireless data transmission module with processing display module communication be connected, the wireless data transmission module including with
The main wireless data transmission module being correspondingly arranged from wireless data transmission module and with processing display module that monitoring sampling module is correspondingly arranged;
Described detection sampling module includes high precision current transformer, I/V converters and A/D converter, described high-precision current
Transformer be fixedly installed on need to the alternating current wires at the place of sampling go out, and the output end connection I/V of high precision current transformer secondary side
The input of converter, the output end of I/V converters connects the input of A/D converter, the output end connection of A/D converter from
The input of wireless data transmission module;Described processing display module includes button controller, battery/charge controller, display
Unit and central processing unit, the output end of described main wireless data transmission module connect the input of central processing unit, center processing
The output end of device connects the output end of display unit, and button controller, battery/charge controller are connected with central processing unit respectively
Connect.
2. a kind of low-voltage alternating-current electric current wireless monitoring device according to claim 1, it is characterised in that:Described monitoring is adopted
Egf block is multiple, then it is also multiple to be correspondingly arranged on each monitoring sampling module from wireless data transmission module number, and the two
Quantity is equal;All is correspondingly arranged from wireless data transmission module with main wireless data transmission module using time-division communication modes, and often
One has an independent ID address from wireless data transmission module, and data or order are sent using the data frame with address code.
3. low-voltage alternating-current electric current wireless monitoring device according to claim 1, it is characterised in that:Described display unit is adopted
Use LCD display.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710291655.2A CN106970259B (en) | 2017-04-28 | 2017-04-28 | Low-voltage alternating current wireless monitoring device |
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CN201710291655.2A CN106970259B (en) | 2017-04-28 | 2017-04-28 | Low-voltage alternating current wireless monitoring device |
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CN106970259A true CN106970259A (en) | 2017-07-21 |
CN106970259B CN106970259B (en) | 2023-04-21 |
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CN201710291655.2A Active CN106970259B (en) | 2017-04-28 | 2017-04-28 | Low-voltage alternating current wireless monitoring device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112684381A (en) * | 2020-12-03 | 2021-04-20 | 广东电网有限责任公司中山供电局 | CT polarity tester of hand-held type wireless transmission sampling |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014020861A (en) * | 2012-07-17 | 2014-02-03 | Kawashima Co Ltd | Solar cell module monitoring system |
CN104698278A (en) * | 2015-02-25 | 2015-06-10 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Alternating current line alternating current lightning arrester live detection system and method |
-
2017
- 2017-04-28 CN CN201710291655.2A patent/CN106970259B/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014020861A (en) * | 2012-07-17 | 2014-02-03 | Kawashima Co Ltd | Solar cell module monitoring system |
CN104698278A (en) * | 2015-02-25 | 2015-06-10 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Alternating current line alternating current lightning arrester live detection system and method |
Non-Patent Citations (1)
Title |
---|
毛东升;王淼;: "基于无线传输的便携式高压电流互感器变比测试仪设计" * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112684381A (en) * | 2020-12-03 | 2021-04-20 | 广东电网有限责任公司中山供电局 | CT polarity tester of hand-held type wireless transmission sampling |
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CN106970259B (en) | 2023-04-21 |
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