CN205539247U - Novel zinc oxide arrester live test system - Google Patents
Novel zinc oxide arrester live test system Download PDFInfo
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- CN205539247U CN205539247U CN201620105065.7U CN201620105065U CN205539247U CN 205539247 U CN205539247 U CN 205539247U CN 201620105065 U CN201620105065 U CN 201620105065U CN 205539247 U CN205539247 U CN 205539247U
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- arrester
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Abstract
The utility model relates to a novel zinc oxide arrester live test system. Its purpose postpones low, the high zinc oxide arrester test system of the degree of accuracy in order to provide a data acquisition. The utility model discloses a during arrester detection device and voltage acquisition device, arrester detection device's first input end insert the three -phase circuit of zinc oxide arrester one end, can be used to gather zinc oxide arrester's current signal. The three -phase circuit of the zinc oxide arrester other end is connected with voltage transformer's once side, and voltage acquisition device's second input and voltage transformer's secondary side are connected for gather zinc oxide arrester's voltage signal. Between arrester detection device and the voltage acquisition device through wireless communication module as the transmission of commands instrument, when the fixed value was counted to to the GPS module was sent on the stream oriented device PPS number of pulse synchrometer, signal acquisition's synchronism had been guaranteed in electric current and the voltage signal that can begin the to gather zinc oxide arrester in step column count of going forward side by side.
Description
Technical field
This utility model relates to a kind of technical field of electric power, particularly relates to a kind of New Zinc Oxide Lightning Arrester live testing system.
Background technology
Zinc-Oxide Arrester is supply line and power supply unit important protection equipment, if the spark gap in power system is aging, damage
Going bad or lost efficacy, may cause large-scale power accident, cause power equipment to damage, supply line has a power failure.Therefore, in circuit
Zinc-Oxide Arrester carry out periodic detection and can effectively get rid of accident potential, it is ensured that safe operation of power system.
The quality of spark gap shows that the size of its current in resistance property, traditional measuring method are to use wired and wireless two ways to enter
Row is measured.When using wired mode to measure, folding and unfolding p-wire takies human and material resources, but also expends the time；Work as mutual induction of voltage
When device terminal box distance is more than 50 meters, more severe to voltage signal attenuation ratio.When using wireless mode to measure, as
Condition monitoring system for zinc oxide lightning arrester disclosed in CN202041575U, uses wireless communication module to carry out the transmission of signal, by
There is transmission delay error in wireless module, and be the most modifiable, therefore, measurement result precision will necessarily be caused low, no
Can normally reflect that the situation of the current in resistance property of Zinc-Oxide Arrester and the truthful data of power attenuation occurs.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of simple in construction, data acquisition postpones high novel of low, accuracy
Zinc oxide lightning arrester live-line test system.
This utility model New Zinc Oxide Lightning Arrester live testing system, wherein, fills including arrester detecting device and voltage acquisition
Putting, the first input end of arrester detecting device accesses in the three-phase circuit of Zinc-Oxide Arrester one end, Zinc-Oxide Arrester another
The three-phase circuit of end is connected with the primary side of voltage transformer, and the secondary side of voltage transformer inputs with the second of voltage collecting device
End connects,
Described arrester detecting device includes again the first protection module, the first programmable amplifier, the first GPS module, first wireless
Communication module and the first microcontroller, the input of the first protection module is connected with first input end, the output of the first protection module
End is connected with the signal input part of the first programmable amplifier, the signal output part of the first programmable amplifier and the letter of the first microcontroller
Number receiving terminal connects, the signal end of the first microcontroller respectively with the first GPS module and the signal port of the first wireless communication module
Being bi-directionally connected, the data signal output of the first microcontroller is connected with the signal receiving end of display；
Described voltage collecting device includes the second protection module, the second programmable amplifier, the second GPS module, the second radio communication
Module and the second microcontroller, input and second input of the second protection module connect, the outfan of the second protection module and
The signal input part of the second programmable amplifier connects, and the signal output part of the second programmable amplifier and the signal of the second microcontroller connect
Receiving end connects, and the signal end of the second microcontroller is two-way with the signal port of the second GPS module and the second wireless communication module respectively
Connect.
This utility model New Zinc Oxide Lightning Arrester live testing system, wherein said arrester detecting device also includes the first housing,
First input end and display are arranged on the sidewall of the first housing, and the first housing tip is additionally provided with the first gps antenna and first
Radio antenna, the signal output port of the first GPS module and the first gps antenna connect, the first wireless communication module
Signal output port and the first radio antenna connect.
This utility model New Zinc Oxide Lightning Arrester live testing system, the sidewall of wherein said first housing is provided with control by
Key, the control end controlling button and the first microcontroller connects.
This utility model New Zinc Oxide Lightning Arrester live testing system, the data signal output of wherein said first microcontroller
Signal receiving end with first memory and printer is connected the most respectively.
This utility model New Zinc Oxide Lightning Arrester live testing system, wherein said voltage collecting device also includes the second housing,
Second input is arranged on the sidewall of the second housing, and the second housing tip is additionally provided with the second gps antenna and the second radio communication
Antenna, the signal output port of the second GPS module and the second gps antenna connect, the signal output of the second wireless communication module
Port and the second radio antenna connect.
This utility model New Zinc Oxide Lightning Arrester live testing system, the data signal output of wherein said second microcontroller
It is connected with the signal receiving end of second memory.
This utility model New Zinc Oxide Lightning Arrester live testing system difference from prior art is: this utility model is taken shelter from the thunder
By wireless communication module as order delivery means between device detection device and voltage collecting device, when GPS module on stream oriented device
When the PPS umber of pulse synchronous counting sent is to fixed value, synchronize start to gather the electric current of MOA and voltage signal and count
Calculate, it is ensured that the synchronicity of signals collecting, thus avoid the appearance of signal delay situation, substantially increase Zinc-Oxide Arrester
The accuracy of live testing.The first protection module and the second protection it is respectively arranged with in arrester detecting device and voltage collecting device
Module, it is possible to carry out overvoltage protection and overcurrent protection when gathering signal, it is to avoid overvoltage or overcurrent are to the first microcontroller
Damage is caused with the second microcontroller.Be respectively arranged with in arrester detecting device and voltage collecting device the first programmable amplifier and
Second programmable amplifier, is amplified processing to the voltage signal gathered and current signal, further ensures the standard of detection signal
Really property.
Below in conjunction with the accompanying drawings this utility model New Zinc Oxide Lightning Arrester live testing system is described further.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model New Zinc Oxide Lightning Arrester live testing system；
Fig. 2 is the structured flowchart of arrester detecting device in this utility model New Zinc Oxide Lightning Arrester live testing system；
Fig. 3 is the structured flowchart of voltage collecting device in this utility model New Zinc Oxide Lightning Arrester live testing system.
Detailed description of the invention
As it is shown in figure 1, be the structural representation of this utility model New Zinc Oxide Lightning Arrester live testing system, including spark gap
Detection device 1 and voltage collecting device 2.Zinc-Oxide Arrester MOA, Zinc-Oxide Arrester MOA are installed in three-phase circuit
The three-phase circuit of one end is connected with the first input end of arrester detecting device 1, the three-phase of the Zinc-Oxide Arrester MOA other end
Circuit is connected with the primary side of voltage transformer pt, and the secondary side of voltage transformer pt inputs with the second of voltage collecting device 2
End connects.
As in figure 2 it is shown, be the structural frames of arrester detecting device in this utility model New Zinc Oxide Lightning Arrester live testing system
Figure, arrester detecting device 1 include the first housing, the first protection module, the first programmable amplifier, the first GPS module, the
One wireless communication module and the first microcontroller.It is provided with first input end on the sidewall of the first housing, controls button and display,
First housing tip is provided with the first gps antenna and the first radio antenna, first input end and the input of the first protection module
End connects, and the first protection module carries out overcurrent and overvoltage protection to the signal of input, the outfan of the first protection module with
The signal input part of the first programmable amplifier connects, and the signal output part of the first programmable amplifier and the signal of the first microcontroller connect
Receiving end connects, and the signal end of the first microcontroller is two-way with the signal port of the first GPS module and the first wireless communication module respectively
Connecting, the signal output port of the first GPS module and the first gps antenna connect, the signal output of the first wireless communication module
Port and the first radio antenna connect.The data signal output of the first microcontroller respectively with first memory, display
Connecting with the signal receiving end of printer, the data message received can be stored by the first microcontroller by first memory,
Also by display and printer, the data message received externally is shown.The control end of the first microcontroller and control are by being bonded
Connect, by controlling button, the first microcontroller is controlled.
As it is shown on figure 3, be the structured flowchart of voltage collecting device in this utility model New Zinc Oxide Lightning Arrester live testing system,
Voltage collecting device 2 includes the second housing, the second protection module, the second programmable amplifier, the second GPS module, second wireless
Communication module and the second microcontroller.Being provided with the second input on the sidewall of the second housing, the second housing tip is provided with second
Gps antenna and the second radio antenna, the input of the second input and the second protection module connects, the second protection module pair
It is defeated that the signal of input carries out overcurrent and overvoltage protection, the outfan of the second protection module and the signal of the second programmable amplifier
Entering end to connect, the signal output part of the second programmable amplifier and the signal receiving end of the second microcontroller connect, the second microcontroller
Signal end signal port with the second GPS module and the second wireless communication module respectively be bi-directionally connected, the second GPS module
Signal output port and the second gps antenna connect, the signal output port of the second wireless communication module and the second radio antenna
Connect.The data signal output of the second microcontroller is connected with the signal receiving end of second memory, and the second microcontroller can lead to
Cross second memory to be stored by the data message received.
Operation principle of the present utility model is: before testing Zinc-Oxide Arrester, a GPS of arrester detecting device 1
Module produces a PPS pulse signal in time per unit, and arrester detecting device 1 is triggered channel radio by the first GPS module
Letter, and send measurement instruction by the first wireless communication module to voltage collecting device 2, voltage collecting device 2 is by the second nothing
Measurement instruction and PPS pulse signal are received by line communication module and the second GPS module respectively.Producing first PPS
During pulse signal, arrester detecting device 1 begins to counting, and voltage collecting device 2 is receiving first PPS pulse signal
Time start counting up, when arrester detecting device 1 and voltage collecting device 2 synchronous counting are to fixed number, synchronize zinc oxide is kept away
The detection signal of thunder device MOA is acquired.The arrester detecting device 1 three-phase circuit to Zinc-Oxide Arrester MOA one end
In voltage signal and current signal be acquired, and pass sequentially through the first protection module and the first programming amplifying module transfer to the
One microcontroller, the signal collected can be stored in the first memory by the first microcontroller.Voltage collecting device 2 and voltage
The secondary side of transformer PT connects, it is achieved voltage signal and phase signal to Zinc-Oxide Arrester MOA are acquired, and depend on
Secondary the second protection module and the second programming amplifying module transfer of passing through is to the second microcontroller, and the second microcontroller can will collect
Signal is stored in second memory, and the second microcontroller also can be by wireless by second to the voltage signal collected and phase signal
Communication module is transmitted as the first microcontroller, and the first microcontroller obtains voltage signal and the electricity at Zinc-Oxide Arrester MOA two ends
Stream signal, so that it may calculate voltage fundamental component and the phase contrast of current first harmonics component by Fourier algorithm, thus obtain oxygen
Change current in resistance property and the power attenuation of zinc spark gap MOA, complete the test to Zinc-Oxide Arrester MOA.First microcontroller
The various signals collected and result of calculation also can externally be exported by device by display and printer.
This utility model New Zinc Oxide Lightning Arrester live testing system, between arrester detecting device 1 and voltage collecting device 2
Arrived as order delivery means, the PPS umber of pulse synchronous counting sent when GPS module on stream oriented device by wireless communication module
During fixed value, synchronize start to gather the electric current of MOA and voltage signal and calculate, it is ensured that the synchronicity of signals collecting,
Thus avoid the appearance of signal delay situation, substantially increase the accuracy of Zinc-Oxide Arrester MOA live testing.Lightning-arrest
The first protection module and the second protection module it is respectively arranged with, it is possible to gathering letter in device detection device 1 and voltage collecting device 2
Number time carry out overvoltage protection and overcurrent protection, it is to avoid the first microcontroller and the second microcontroller are caused by overvoltage or overcurrent
Damage.The first programmable amplifier and the second programmable amplifier it is respectively arranged with in arrester detecting device 1 and voltage collecting device 2,
It is amplified processing to the voltage signal gathered and current signal, further ensures the accuracy of detection signal.This utility model
Simple in construction, data acquisition postpone low, accuracy is high, compared with prior art has clear advantage.
The first microcontroller and the second microcontroller employed in an embodiment of the present utility model are all single chip microcontroller.
Embodiment described above is only to be described preferred implementation of the present utility model, not to of the present utility model
Scope is defined, and on the premise of without departing from this utility model design spirit, those of ordinary skill in the art are to this utility model
The various deformation made of technical scheme and improvement, all should fall in the protection domain that this utility model claims determine.
Claims (6)
1. a New Zinc Oxide Lightning Arrester live testing system, it is characterised in that: include arrester detecting device (1) and voltage
Harvester (2), the first input end of arrester detecting device (1) accesses in the three-phase circuit of Zinc-Oxide Arrester (MOA) one end,
The three-phase circuit of Zinc-Oxide Arrester (MOA) other end is connected with the primary side of voltage transformer (PT), voltage transformer (PT)
Secondary side is connected with the second input of voltage collecting device (2),
Described arrester detecting device (1) includes again the first protection module, the first programmable amplifier, the first GPS module, the first nothing
Line communication module and the first microcontroller, the input of the first protection module is connected with first input end, and first protects the defeated of module
Go out end to be connected with the signal input part of the first programmable amplifier, the signal output part of the first programmable amplifier and the first microcontroller
Signal receiving end connect, the signal end of the first microcontroller respectively with the first GPS module and the signal end of the first wireless communication module
Mouth is bi-directionally connected, and the data signal output of the first microcontroller is connected with the signal receiving end of display；
Described voltage collecting device (2) includes the second protection module, the second programmable amplifier, the second GPS module, the second channel radio
Letter module and the second microcontroller, the input of the second protection module and the connection of the second input, the outfan of the second protection module
It is connected with the signal input part of the second programmable amplifier, the signal output part of the second programmable amplifier and the signal of the second microcontroller
Receiving terminal connects, and the signal end of the second microcontroller is double with the signal port of the second GPS module and the second wireless communication module respectively
To connection.
New Zinc Oxide Lightning Arrester live testing system the most according to claim 1, it is characterised in that: described spark gap is examined
Surveying device (1) and also include that the first housing, first input end and display are arranged on the sidewall of the first housing, the first housing tip is also
It is provided with the first gps antenna and the first radio antenna, the signal output port of the first GPS module and the first gps antenna
Connecting, the signal output port of the first wireless communication module and the first radio antenna connect.
New Zinc Oxide Lightning Arrester live testing system the most according to claim 2, it is characterised in that: described first housing
Sidewall on be provided with control button, control the control end connection of button and the first microcontroller.
New Zinc Oxide Lightning Arrester live testing system the most according to claim 1, it is characterised in that: described first micro-control
The data signal output of device processed signal receiving end with first memory and printer the most respectively is connected.
New Zinc Oxide Lightning Arrester live testing system the most according to claim 1, it is characterised in that: described voltage acquisition
Device (2) also includes that the second housing, the second input are arranged on the sidewall of the second housing, and the second housing tip is additionally provided with second
Gps antenna and the second radio antenna, the signal output port of the second GPS module and the second gps antenna connect, and second
The signal output port of wireless communication module and the second radio antenna connect.
New Zinc Oxide Lightning Arrester live testing system the most according to claim 1, it is characterised in that: described second micro-control
The data signal output of device processed is connected with the signal receiving end of second memory.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620105065.7U CN205539247U (en) | 2016-02-02 | 2016-02-02 | Novel zinc oxide arrester live test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620105065.7U CN205539247U (en) | 2016-02-02 | 2016-02-02 | Novel zinc oxide arrester live test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205539247U true CN205539247U (en) | 2016-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620105065.7U Active CN205539247U (en) | 2016-02-02 | 2016-02-02 | Novel zinc oxide arrester live test system |
Country Status (1)
| Country | Link |
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| CN (1) | CN205539247U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112540248A (en) * | 2020-11-06 | 2021-03-23 | 广西电网有限责任公司南宁供电局 | Voltage and current signal double-wireless transmission lightning arrester live-line test system and method |
-
2016
- 2016-02-02 CN CN201620105065.7U patent/CN205539247U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112540248A (en) * | 2020-11-06 | 2021-03-23 | 广西电网有限责任公司南宁供电局 | Voltage and current signal double-wireless transmission lightning arrester live-line test system and method |
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| GR01 | Patent grant |