CN106908646B - Portable arrester live detection instrument based on wireless synchronization technology - Google Patents
Portable arrester live detection instrument based on wireless synchronization technology Download PDFInfo
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- CN106908646B CN106908646B CN201510969910.5A CN201510969910A CN106908646B CN 106908646 B CN106908646 B CN 106908646B CN 201510969910 A CN201510969910 A CN 201510969910A CN 106908646 B CN106908646 B CN 106908646B
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- 238000001514 detection method Methods 0.000 title claims abstract description 20
- 238000005516 engineering process Methods 0.000 title claims abstract description 15
- 238000004891 communication Methods 0.000 claims abstract description 21
- 238000001914 filtration Methods 0.000 claims abstract description 18
- 238000005070 sampling Methods 0.000 claims abstract description 13
- 230000005611 electricity Effects 0.000 claims description 13
- 241000270722 Crocodylidae Species 0.000 claims description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 4
- LNNWVNGFPYWNQE-GMIGKAJZSA-N desomorphine Chemical compound C1C2=CC=C(O)C3=C2[C@]24CCN(C)[C@H]1[C@@H]2CCC[C@@H]4O3 LNNWVNGFPYWNQE-GMIGKAJZSA-N 0.000 claims description 4
- 229910052744 lithium Inorganic materials 0.000 claims description 4
- 238000005259 measurement Methods 0.000 abstract description 5
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000009413 insulation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
Classifications
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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
Abstract
Portable arrester live detection instrument based on wireless synchronization technology belongs to charged electric power apparatus detection technique field more particularly to a kind of Portable arrester live detection instrument based on wireless synchronization technology.The present invention provides a kind of measurement Portable arrester live detection instrument accurate, low in energy consumption based on wireless synchronization technology.The present invention includes current acquisition module and voltage acquisition module, and structural feature current acquisition module includes current detecting shell, current and power supply control panel, galvanic cell battery core, current sampling resistor, electric current folder, current cable, current plug, current filtering circuit, electric current debugging interface, alternator indicator, current amplifier, current processor, wireless communication current chip, electric current antenna；Current and power supply control panel, galvanic cell battery core, current sampling resistor, current filtering circuit, electric current debugging interface, alternator indicator, current amplifier, current processor, wireless communication current chip are arranged in current detecting shell.
Description
Technical field
The invention belongs to charged electric power apparatus detection technique fields more particularly to a kind of based on the portable of wireless synchronization technology
Formula arrester live detection instrument.
Background technology
Metal oxide arrester（MOA）It is the important guarantor for protecting the insulation of power transmission and transforming equipment from overvoltage injury
Protect electric appliance.There is important protective effect to the safe operation of electric system.
MOA will produce Leakage Current under operation, and Leakage Current is divided into capacitive, resistive Leakage Current, wherein capacitive
Electric current only has an impact the voltage's distribiuting of arrester, and resistive current component is directly related with the state of insulation of arrester.When keeping away
When thunder device normal operation, current in resistance property is usually smaller, but when lightning arrester insulation aging or make moist etc. abnormal conditions when, resistive electricity
Flow component will significantly increase.Since current in resistance property causes lightning arrester body to generate heat, so the increase of current in resistance property can further shadow
The operation of lightning arrester body is rung, or even ontology is damaged.So the detection of arrester resistance current is the safety of arrester
The emphasis of operation.
Currently, mainly there are on-line monitoring technique and portable equipment regular visit two ways to arrester live detection.?
Line monitoring can in real time be detected the state of arrester, and it is big to obtain data volume, is influenced by weather etc. small, has obtained one in recent years
Fixed development.But from the point of view of the gathered data for the arrester online equipment installed at present, whole measurement accuracy is not high enough.Just
Although the formula detection device of taking cannot detect in real time, its precision is higher, simultaneously because patrol officer is at the scene, to arrester work
The determination for making state is more advantageous, so the use of portable equipment being essential to the regular visit of arrester.
But traditional portable arrester checks equipment is all in such a way that cable transmits signals to detection device, by
In the actual distribution of live arrester, the factors such as the collection point distance of voltage signal cause field connection complex, longer
Cable brings different degrees of influence to the acquisition of signal and measurement accuracy.
Invention content
The present invention addresses the above problem, provide it is a kind of measure it is accurate, low in energy consumption based on wireless synchronization technology just
Take formula arrester live detection instrument.
To achieve the above object, the present invention adopts the following technical scheme that, the present invention includes that current acquisition module and voltage are adopted
Collect module, structural feature current acquisition module includes current detecting shell, current and power supply control panel, galvanic cell battery core, electricity
Flow sampling resistor, electric current folder, current cable, current plug, current filtering circuit, electric current debugging interface, alternator indicator, electric current
Amplifier, current processor, wireless communication current chip, electric current antenna；Current and power supply control panel, galvanic cell battery core, electric current
Sampling resistor, current filtering circuit, electric current debugging interface, alternator indicator, current amplifier, current processor, electric current is wireless
Communication chip is arranged in current detecting shell, and current plug and electric current antenna are arranged on current detecting shell, current plug
It is connected with electric current folder by current cable, current cable and electric current sandwiched are set outside current detecting shell, electric current folder, electric current electricity
Cable, current plug are combined as two groups, and two current plugs are connected with current sampling resistor both ends respectively, one of current plug
Pass sequentially through current filtering circuit, current amplifier is connected with the signal input part of current processor, the power supply of current processor
End is connected with the output end of current and power supply control panel, and the input terminal of current and power supply control panel is connected with galvanic cell battery core；Electric current
The signal output end of processor is connected by wireless communication current chip with electric current antenna, the control signal output of current processor
End is connected with alternator indicator, and the debugging end of current processor is connected with electric current debugging interface.
Voltage acquisition module includes voltage detecting shell, voltage source control panel, voltage battery battery core, voltage sample electricity
Resistance, voltage folder, voltage cables, voltage contact plug, voltage filtering circuit, voltage debugging interface, voltage indicator lamp, voltage amplifier,
Voltage processor, voltage wireless communication chips, voltage antenna；Voltage source control panel, voltage battery battery core, voltage sample electricity
Resistance, voltage filtering circuit, voltage debugging interface, voltage indicator lamp, voltage amplifier, voltage processor, voltage wirelessly communicate core
Piece is arranged in voltage detecting shell, and voltage contact plug and voltage antenna are arranged on voltage detecting shell, and voltage contact plug passes through electricity
Voltage cable is connected with voltage folder, and voltage cables and voltage sandwiched are set outside voltage detecting shell, voltage folder, voltage cables, voltage
Plug is combined as two groups, and two voltage contact plugs are connected with voltage sample resistance both ends respectively, and voltage sample resistance is connected by two
Resistance composition, the connecting pin of two concatenated resistance passes sequentially through voltage filtering circuit, voltage amplifier and voltage processor
Signal input part be connected, the power end of voltage processor is connected with the output end of voltage source control panel, voltage source control
The input terminal of plate is connected with voltage battery battery core；The signal output end of voltage processor passes through voltage wireless communication chips and voltage
Antenna is connected, and the control signal output of voltage processor is connected with voltage indicator lamp, the debugging end of voltage processor and voltage
Debugging interface is connected.
As a preferred embodiment, electric current folder and voltage folder of the present invention are all made of crocodile clip.
As another preferred embodiment, current plug of the present invention and voltage contact plug are all made of aviation plug.
As another preferred embodiment, galvanic cell battery core and voltage battery battery core of the present invention are all made of lithium battery
Core.
As another preferred embodiment, electric current debugging interface and voltage debugging interface of the present invention are all made of JTAG debugging
Interface.
Secondly, electric current antenna and voltage antenna of the present invention are all made of zigbee antennas.
In addition, current acquisition module of the present invention is three, voltage acquisition module is one.
Advantageous effect of the present invention.
The present invention solves complicated for operation, measurement process and precision existing for existing arrester checks equipment and is easy by wiring
Operation, which influences, equipment volume is excessive is awkward and is affected by temperature, humidity using mutual inductance type equipment computational accuracy
Problem.
Current signal collection module of the present invention is using resistance sampling, voltage signal acquisition module using electric resistance partial pressure sampling
Mode without phase difference between sampled signal and original signal, and is not affected by temperature, and is not necessarily to dynamic corrections；So measurement accuracy by
Temperature, humidity influence smaller.
The present invention using wireless synchronization acquire, execute-in-place be convenient for measuring result influenced by cable it is small.
Wireless communication chips of the present invention share a processor with other external chips, and Overall Power Consumption is low.
Amplifier of the present invention can calculate signal amplitude by processor, and then adjust amplifier gain.
Description of the drawings
The present invention will be further described with reference to the accompanying drawings and detailed description.The scope of the present invention not only limits to
In the statement of the following contents.
Fig. 1 is the connection block diagram of current acquisition module in the present invention.
Fig. 2 is the connection block diagram of the voltage acquisition module of the present invention.
In figure, 1 it is electric current folder, 2 is current cable, 3 is current plug, 4 is electric current antenna, 5 is current sampling resistor, 6
It is voltage cables for voltage folder, 7,8 be voltage contact plug, 9 be voltage antenna, 10 is voltage sample resistance.
Specific implementation mode
As shown, the present invention includes current acquisition module and voltage acquisition module, current acquisition module includes electric current inspection
Survey shell, current and power supply control panel, galvanic cell battery core, current sampling resistor, electric current folder, current cable, current plug, electric current
Filter circuit, electric current debugging interface, alternator indicator, current amplifier, current processor, wireless communication current chip, electric current
Antenna；Current and power supply control panel, galvanic cell battery core, current sampling resistor, current filtering circuit, electric current debugging interface, electric current
Indicator light, current amplifier, current processor, wireless communication current chip be arranged in current detecting shell, current plug and
Electric current antenna is arranged on current detecting shell, and current plug is connected by current cable with electric current folder, current cable and electric current
Sandwiched is set outside current detecting shell, and electric current folder, current cable, current plug are combined as two groups, two current plugs respectively with
Current sampling resistor both ends are connected, and one of current plug passes sequentially through at current filtering circuit, current amplifier and electric current
The signal input part for managing device is connected, and the power end of current processor is connected with the output end of current and power supply control panel, current and power supply
The input terminal of control panel is connected with galvanic cell battery core；The signal output end of current processor by wireless communication current chip with
Electric current antenna be connected, the control signal output of current processor is connected with alternator indicator, the debugging end of current processor and
Electric current debugging interface is connected.
Voltage acquisition module includes voltage detecting shell, voltage source control panel, voltage battery battery core, voltage sample electricity
Resistance, voltage folder, voltage cables, voltage contact plug, voltage filtering circuit, voltage debugging interface, voltage indicator lamp, voltage amplifier,
Voltage processor, voltage wireless communication chips, voltage antenna；Voltage source control panel, voltage battery battery core, voltage sample electricity
Resistance, voltage filtering circuit, voltage debugging interface, voltage indicator lamp, voltage amplifier, voltage processor, voltage wirelessly communicate core
Piece is arranged in voltage detecting shell, and voltage contact plug and voltage antenna are arranged on voltage detecting shell, and voltage contact plug passes through electricity
Voltage cable is connected with voltage folder, and voltage cables and voltage sandwiched are set outside voltage detecting shell, voltage folder, voltage cables, voltage
Plug is combined as two groups, and two voltage contact plugs are connected with voltage sample resistance both ends respectively, and voltage sample resistance is connected by two
Resistance composition, the connecting pin of two concatenated resistance passes sequentially through voltage filtering circuit, voltage amplifier and voltage processor
Signal input part be connected, the power end of voltage processor is connected with the output end of voltage source control panel, voltage source control
The input terminal of plate is connected with voltage battery battery core；The signal output end of voltage processor passes through voltage wireless communication chips and voltage
Antenna is connected, and the control signal output of voltage processor is connected with voltage indicator lamp, the debugging end of voltage processor and voltage
Debugging interface is connected.
Battery battery core by power control board be system power supply, power control board for lithium battery electric core provide charge control and
Protection.Leakage current of an arrester signal is converted to voltage signal, the transformed filtered electricity of voltage signal by current sampling resistor
Amplifier signal is reached behind road and enters end, and processor internal composition protocol stack is connected with wireless communication chips, wireless communication chips
It is connected with antenna, antenna is fixed on shell.Indicator light is used for display system state.JTAG debugging mouths are used for the journey of processor
Sequence is emulated and is downloaded.
PT voltage signal proportion dividers are reached amplifier letter by voltage sample resistance after voltage signal after partial pressure is filtered
Number enter end.
The electric current folder and voltage folder are all made of crocodile clip.
The current plug and voltage contact plug are all made of aviation plug.Aviation plug female is fixed on shell, and male connector can
Plug.The aviation plug interface of current acquisition module and voltage acquisition module both can also be used for filling as signal output channels
Electricity only needs to change the aviation plug cable of response.
The galvanic cell battery core and voltage battery battery core are all made of lithium battery electric core.
The electric current debugging interface and voltage debugging interface are all made of JTAG debugging interfaces.
The electric current antenna and voltage antenna are all made of zigbee antennas.
The current acquisition module is three, and voltage acquisition module is one.Each acquisition module can wirelessly by
Data transmission is to receiving terminal.Three current acquisition modules are respectively connected to the end of A phase, B phase, C phase arrester using crocodile clip
Between screen and ground, voltage acquisition module is connected to any one phase in A phase PT, B phase PT, C phases PT.
It is understood that above with respect to the specific descriptions of the present invention, it is merely to illustrate the present invention and is not limited to this
Technical solution described in inventive embodiments, it will be understood by those of ordinary skill in the art that, still the present invention can be carried out
Modification or equivalent replacement, to reach identical technique effect；As long as meet use needs, all protection scope of the present invention it
It is interior.
Claims (7)
1. the Portable arrester live detection instrument based on wireless synchronization technology, including current acquisition module and voltage acquisition mould
Block, it is characterised in that current acquisition module includes that current detecting shell, current and power supply control panel, galvanic cell battery core, electric current are adopted
Sample resistance, electric current folder, current cable, current plug, current filtering circuit, electric current debugging interface, alternator indicator, Current amplifier
Device, current processor, wireless communication current chip, electric current antenna；Current and power supply control panel, galvanic cell battery core, current sample
Resistance, current filtering circuit, electric current debugging interface, alternator indicator, current amplifier, current processor, wireless communication current
Chip is arranged in current detecting shell, and current plug and electric current antenna are arranged on current detecting shell, and current plug passes through
Current cable is connected with electric current folder, and current cable and electric current sandwiched are set outside current detecting shell, electric current folder, current cable, electricity
Stream plug is combined as two groups, and two current plugs are connected with current sampling resistor both ends respectively, and one of current plug is successively
Be connected with the signal input part of current processor by current filtering circuit, current amplifier, the power end of current processor with
The output end of current and power supply control panel is connected, and the input terminal of current and power supply control panel is connected with galvanic cell battery core；Current processing
The signal output end of device is connected by wireless communication current chip with electric current antenna, the control signal output of current processor with
Alternator indicator is connected, and the debugging end of current processor is connected with electric current debugging interface；
Voltage acquisition module includes voltage detecting shell, voltage source control panel, voltage battery battery core, voltage sample resistance, electricity
Press folder, voltage cables, voltage contact plug, voltage filtering circuit, voltage debugging interface, voltage indicator lamp, voltage amplifier, at voltage
Manage device, voltage wireless communication chips, voltage antenna；Voltage source control panel, voltage battery battery core, voltage sample resistance, voltage
Filter circuit, voltage debugging interface, voltage indicator lamp, voltage amplifier, voltage processor, the setting of voltage wireless communication chips exist
In voltage detecting shell, voltage contact plug and voltage antenna are arranged on voltage detecting shell, voltage contact plug by voltage cables with
Voltage folder is connected, and voltage cables and voltage sandwiched are set outside voltage detecting shell, voltage folder, voltage cables, the group of voltage contact plug
Two groups are combined into, two voltage contact plugs are connected with voltage sample resistance both ends respectively, and voltage sample resistance is by two concatenated resistance groups
The signal that voltage filtering circuit, voltage amplifier and voltage processor are passed sequentially through at the connecting pin of, two concatenated resistance is defeated
Enter end to be connected, the power end of voltage processor is connected with the output end of voltage source control panel, the input of voltage source control panel
End is connected with voltage battery battery core；The signal output end of voltage processor passes through voltage wireless communication chips and voltage antenna phase
Even, the control signal output of voltage processor is connected with voltage indicator lamp, and debugging end and the voltage debugging of voltage processor connect
Mouth is connected.
2. the Portable arrester live detection instrument based on wireless synchronization technology according to claim 1, it is characterised in that
The electric current folder and voltage folder are all made of crocodile clip.
3. the Portable arrester live detection instrument based on wireless synchronization technology according to claim 1, it is characterised in that
The current plug and voltage contact plug are all made of aviation plug.
4. the Portable arrester live detection instrument based on wireless synchronization technology according to claim 1, it is characterised in that
The galvanic cell battery core and voltage battery battery core are all made of lithium battery electric core.
5. the Portable arrester live detection instrument based on wireless synchronization technology according to claim 1, it is characterised in that
The electric current debugging interface and voltage debugging interface are all made of JTAG debugging interfaces.
6. the Portable arrester live detection instrument based on wireless synchronization technology according to claim 1, it is characterised in that
The electric current antenna and voltage antenna are all made of zigbee antennas.
7. the Portable arrester live detection instrument based on wireless synchronization technology according to claim 1, it is characterised in that
The current acquisition module is three, and voltage acquisition module is one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510969910.5A CN106908646B (en) | 2015-12-22 | 2015-12-22 | Portable arrester live detection instrument based on wireless synchronization technology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510969910.5A CN106908646B (en) | 2015-12-22 | 2015-12-22 | Portable arrester live detection instrument based on wireless synchronization technology |
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| CN106908646A CN106908646A (en) | 2017-06-30 |
| CN106908646B true CN106908646B (en) | 2018-11-02 |
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| CN201510969910.5A Active CN106908646B (en) | 2015-12-22 | 2015-12-22 | Portable arrester live detection instrument based on wireless synchronization technology |
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| CN109444477A (en) * | 2018-06-14 | 2019-03-08 | 国网浙江省电力有限公司丽水供电公司 | A kind of voltage tester box and its crocodile clip |
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| CN203631221U (en) * | 2013-12-30 | 2014-06-04 | 鹤山市电力设计有限公司 | Lightning arrester with real-time current leak monitoring and discharging counting function |
| CN104181428A (en) * | 2014-08-29 | 2014-12-03 | 国网安徽省电力公司淮南供电公司 | Insulation online state monitoring device of zinc oxide arrester |
| CN204479671U (en) * | 2015-02-25 | 2015-07-15 | 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 | A kind of DC converter station direct current arrester electrification detection system |
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| CN204556749U (en) * | 2015-03-27 | 2015-08-12 | 都匀供电局 | The mode of wireless transmission lightning arrester live-line test device utilizing pincer structure to sample |
| CN205246745U (en) * | 2015-12-22 | 2016-05-18 | 国网辽宁省电力有限公司沈阳供电公司 | Electrified detecting instrument of portable arrester based on wireless synchronization technique |
-
2015
- 2015-12-22 CN CN201510969910.5A patent/CN106908646B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013172140A (en) * | 2012-02-23 | 2013-09-02 | Toshiba Corp | Arrester and arrester monitoring system |
| CN203101482U (en) * | 2013-01-11 | 2013-07-31 | 四川电力科学研究院 | Metallic oxide arrester leakage current detection device and system |
| CN203631221U (en) * | 2013-12-30 | 2014-06-04 | 鹤山市电力设计有限公司 | Lightning arrester with real-time current leak monitoring and discharging counting function |
| CN104181428A (en) * | 2014-08-29 | 2014-12-03 | 国网安徽省电力公司淮南供电公司 | Insulation online state monitoring device of zinc oxide arrester |
| CN204479671U (en) * | 2015-02-25 | 2015-07-15 | 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 | A kind of DC converter station direct current arrester electrification detection system |
| CN204479654U (en) * | 2015-02-25 | 2015-07-15 | 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 | A kind of alternating current circuit alternating-current lightning arrestor electrification detection system |
| CN204556749U (en) * | 2015-03-27 | 2015-08-12 | 都匀供电局 | The mode of wireless transmission lightning arrester live-line test device utilizing pincer structure to sample |
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