CN206725680U - A kind of monitoring system of arrester - Google Patents
A kind of monitoring system of arrester Download PDFInfo
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- CN206725680U CN206725680U CN201720580341.XU CN201720580341U CN206725680U CN 206725680 U CN206725680 U CN 206725680U CN 201720580341 U CN201720580341 U CN 201720580341U CN 206725680 U CN206725680 U CN 206725680U
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- arrester
- thermistor
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- monitoring system
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Abstract
The utility model proposes a kind of monitoring system of arrester, including：First thermistor, the second thermistor, the first thermistor monitoring modular, the second thermistor monitoring modular, arrester status indicator lamp, Ports Serial Communication Ports and CPU；Wherein, first thermistor is arranged on the vessel surface of arrester, and second thermistor is arranged on the transition Diode facets of arrester；The both ends of first thermistor are connected to the first thermistor monitoring modular, the both ends of second thermistor are connected to the second thermistor monitoring modular, and the first thermistor monitoring modular, the second thermistor monitoring modular, the arrester status indicator lamp, the Ports Serial Communication Ports connect the CPU respectively；The CPU can connect local computer by the Ports Serial Communication Ports.Originally it is new that staff can be reminded to change arrester in time, avoid causing device damage below.
Description
Technical field
It the utility model is related to intelligent power grid technology field, and in particular to a kind of monitoring system of arrester.
Background technology
Current signal arrester general principle is shown in Fig. 1, and main devices include first order discharge device discharge tube G, decoupling
Device R, second level electric discharge TVS pipe T, after external signal line is struck by lightning, thunder and lightning is released to by G and T, behind equipment protected
Shield.Signal arrester by use for many years or by larger thunderbolt after, performance starts to decay, and the main result of decay includes two
Aspect：(1) it is that G and T discharge capability declines, for example the discharge capability of signal arrester is 5KA, and 1KA may be dropped to after decay
Hereinafter, now, when once larger thunder and lightning occurs, G and T can not be released to ground completely, and most of thunder and lightning has arrived equipment, caused to set
Standby damage.(2) protection voltage greatly improves, and protection voltage is thunder and lightning by the voltage clamped down on after arrester, as Enif
More than several kilovolts, the scope that can be born to equipment after arrester (general tens volts), after arrester performance degradation, protection electricity
Pressure may reach kilovolt, and the voltage that bears for having exceeded equipment causes device damage.
To ensure not producing interference, do not powered inside existing arrester, be not provided with active monitoring, after its performance degradation,
No alarm indicates, it is impossible to reminds staff to change arrester in time, causes device damage below.
Utility model content
Based on this, the purpose of the utility model embodiment is to provide a kind of monitoring system of arrester, can carry in time
The staff that wakes up changes arrester, avoids causing device damage below.
To reach above-mentioned purpose, the utility model embodiment uses following technical scheme：
A kind of monitoring system of arrester, including：First thermistor, the second thermistor, the monitoring of the first thermistor
Module, the second thermistor monitoring modular, arrester status indicator lamp, Ports Serial Communication Ports and CPU；
Wherein, first thermistor is arranged on the vessel surface of arrester, and second thermistor is arranged on
The transition Diode facets of arrester；The both ends of first thermistor are connected to the first thermistor monitoring modular,
The both ends of second thermistor are connected to the second thermistor monitoring modular, and first thermistor monitors mould
Block, the second thermistor monitoring modular, the arrester status indicator lamp, the Ports Serial Communication Ports connect described respectively
CPU；The CPU can connect local computer by the Ports Serial Communication Ports.
In the utility model, discharge tube G, transition diode T surfaces in arrester respectively set a thermistor R1 and
R2, flow through discharge tube G, when transition diode T electric current increases to their respective maximums, discharge tube G, transition diode T
Surface temperature steeply rise, R1 and R2 voltage and temperature is obtained by respective thermistor monitoring modular, and is inputted
CPU；CPU is according to R1 and R2 voltage and temperature, the coefficient of relationship of thermistor (R1, R2) and measured temperature T, and flows through and put
The lightning current of fulgurite/transition diode and measured temperature T coefficient of relationship can anti-plug-flow overdischarge pipe/transition diode thunder
Electric current.When discharge tube/transition diode lightning current that CPU is calculated exceedes the nominal maximum electric discharge of discharge tube/transition diode
(parameter is clearly labeled in device handbook) confirms as device aging or failure, CPU control arrester state instructions during electric current
Lamp is bright, and relevant information is uploaded into local computer by Ports Serial Communication Ports, and staff can be reminded to change in time and kept away
Thunder device, avoid causing device damage below.
Brief description of the drawings
Accompanying drawing is to be further understood for providing to of the present utility model, and a part for constitution instruction, and following
Embodiment is used to explain the utility model together, but should not form to limitation of the present utility model.In the accompanying drawings,
Fig. 1 is the structural representation of signal arrester of the prior art；
Fig. 2 be the utility model proposes a kind of arrester monitoring system application schematic diagram.
Embodiment
For the purpose of this utility model, technical scheme and advantage is more clearly understood, below in conjunction with drawings and Examples,
The utility model is described in further detail.It should be appreciated that embodiment described herein is only solving
The utility model is released, does not limit the scope of protection of the utility model.
Fig. 2 shows a kind of application schematic diagram of the monitoring system of arrester, including：
First thermistor R1, the second thermistor R2, the first thermistor monitoring modular, the second thermistor monitoring mould
Block, arrester status indicator lamp, Ports Serial Communication Ports and CPU；
Wherein, the first thermistor R1 is arranged on the discharge tube G surfaces of arrester, and the second thermistor R2 is set
Put on the transition diode T surfaces of arrester；The both ends of the first thermistor R1 are connected to the first thermistor prison
Module is surveyed, the both ends of the second thermistor R2 are connected to the second thermistor monitoring modular, the first temperature-sensitive electricity
Hinder monitoring modular, the second thermistor monitoring modular, the arrester status indicator lamp, Ports Serial Communication Ports difference
Connect the CPU；The CPU can connect local computer by the Ports Serial Communication Ports.
In the utility model, discharge tube G, transition diode T surfaces in arrester respectively set a thermistor R1 and
R2, flow through discharge tube G, when transition diode T electric current increases to their respective maximums, discharge tube G, transition diode T
Surface temperature steeply rise, R1 and R2 voltage and temperature is obtained by respective thermistor monitoring modular, and is inputted
CPU；CPU is according to R1 and R2 voltage and temperature, the coefficient of relationship of thermistor (R1, R2) and measured temperature T, and flows through and put
The lightning current of fulgurite/transition diode and measured temperature T coefficient of relationship can anti-plug-flow overdischarge pipe/transition diode thunder
Electric current.When discharge tube/transition diode lightning current that CPU is calculated exceedes the nominal maximum electric discharge of discharge tube/transition diode
(parameter is clearly labeled in device handbook) confirms as device aging or failure, CPU control arrester state instructions during electric current
Lamp is bright, and relevant information is uploaded into local computer by Ports Serial Communication Ports, and staff can be reminded to change in time and kept away
Thunder device, avoid causing device damage below.
For ease of understanding, the process of the lightning current of the anti-plug-flow overdischarge pipe/transition diodes of CPU is illustrated below.
First illustrated with the anti-process for pushing away discharge tube：If：I1 is to flow through the constant current test electric current on thermistor R1, is set as
10mA, U1 are the voltage on R1, are read out by CPU, then U1=R1*0.01, i.e. R1=U1/0.01；
If：Resistance R1 and temperature T coefficient of relationship is s, then R1=T*s, and different discharge tube coefficient of relationship s are different, differ
Surely it is constant, it may be possible to a relational expression, device handbook acquisition can be looked into, or experiment obtains；
If：I01 is to flow through the thunder and lightning on discharge tube, and the coefficient of relationship of the lightning current and temperature T that flow through discharge tube is k, then
IO1=T*k, different discharge tube coefficient of relationship k are different, are not necessarily constant, it may be possible to a relational expression, can look into device handbook and obtain
Take, or experiment obtains；
Thus, can calculate：The lightning current size for flowing through discharge tube is I01=[k/ (0.01*s)] * U1, and CPU reads electricity
The electric current for flowing through discharge tube can be conversed after pressure, when electric current is more than the nominal maximum discharge current of discharge tube, discharge tube is opened
Beginning aging even damages.
The method that the discharge current of transition diode is same calculates.
In the above-described embodiments, the monitoring system of arrester can be acquired to thunder and lightning number, when accumulated discharge number
During more than early warning number, surge arrester failure alarm；Specifically, the monitoring system of arrester includes：Induction coil, thunderbolt pulsimeter
Digital-to-analogue block；Wherein, the induction coil is socketed in the common part of path of the discharge tube of arrester and the ground wire of transition diode
On, the induction coil is connected to the thunderbolt pulse counter module, and the thunderbolt pulse counter module connects the CPU.
The voltage of sensing is connected to thunderbolt pulse counter module by a and b lines, a voltage pulse is then exported, whenever keeping away
The electric discharge of thunder device once just exports a voltage pulse.The output pulse access CPU of thunderbolt pulse counter module, accumulated pulse
Number.Confirm as keeping away when accumulative number exceedes nominal discharge number (the determining the data in arrester qualification test) of arrester
The aging of thunder device or failure, CPU control arrester status indicator lamp bright while control voice guard to send alarm sound and represent to keep away
Thunder device failure, surge arrester failure and relevant information are shown in remote server and local computer.
In the above-described embodiments, the monitoring system of arrester can carry out the operating voltage of arrester and part-loading goods are carried out
Detection alarm, specifically, the monitoring system of arrester also includes：Operating voltage acquisition module, part-loading goods acquisition module；Its
In, the operating voltage acquisition module is used for the working volts alternating current for gathering arrester 220V, the part-loading goods acquisition module
The voltage between zero line and ground wire for gathering arrester 220V alternating currents.
Preferably, when working volts alternating current deviation exceedes setting value (voltage alarm during general 10%), when zero line and ground wire
Between voltage more than 3V alarms.Sometimes equipment (including power arrester) is not necessarily thunderbolt and directly damaged, but thunder
Hit and cause voltage pulsation to burn out equipment, there is voltage real-time monitoring, can accurate judgement device damage reason.
In the above-described embodiments, the monitoring system of arrester can carry out temperature and humidity monitoring, alarming, tool to arrester
Body, the monitoring system of arrester also includes：Temperature collection module, collecting ambient humidity module；Wherein, the environment temperature
Degree acquisition module, the collecting ambient humidity module connect the CPU respectively.
When the temperature and humidity of environment is beyond setting threshold value alarm.The operation of any electronic equipment is required certain
It is long-term to deviate acceleration equipment aging under temperature and humidity.Real-time temperature and humidity is monitored, equipment operating environment contrast system can be done
Meter.
In the above-described embodiments, the monitoring system of arrester also includes：Network Interface Module；Wherein, the CPU passes through institute
Remote server can be connected by stating Network Interface Module.
In said one or multiple embodiments, the monitoring system of arrester also includes：Voice guard；Wherein, it is described
CPU is connected with the voice guard.
In the utility model, the ID of arrester, alarm condition data, accumulated discharge number, operating voltage, zero ground electricity
The data such as pressure, temperature, humidity form the output in every 5 minutes of a packet once, are sent to remote server by Ethernet, lead to
Cross serial ports and be connected to local computer.
The thought created without departing from the utility model, any group is carried out to various different embodiments of the present utility model
Close, should be considered as the utility model disclosure；In range of the technology design of the present utility model, technical scheme is carried out
Any combination for the thought created without prejudice to the utility model that a variety of simple modifications and different embodiments are carried out, all should be at this
Within the protection domain of utility model.
Claims (6)
- A kind of 1. monitoring system of arrester, it is characterised in that including：First thermistor, the second thermistor, the first temperature-sensitive Electrical resistance monitoring module, the second thermistor monitoring modular, arrester status indicator lamp, Ports Serial Communication Ports and CPU；Wherein, first thermistor is arranged on the vessel surface of arrester, and second thermistor is arranged on lightning-arrest The transition Diode facets of device；The both ends of first thermistor are connected to the first thermistor monitoring modular, described The both ends of second thermistor are connected to the second thermistor monitoring modular, the first thermistor monitoring modular, institute State the second thermistor monitoring modular, the arrester status indicator lamp, the Ports Serial Communication Ports and connect the CPU respectively； The CPU can connect local computer by the Ports Serial Communication Ports.
- 2. the monitoring system of arrester as claimed in claim 1, it is characterised in that also include：Induction coil, thunderbolt pulsimeter Digital-to-analogue block；Wherein, the induction coil is socketed in the common part of path of the discharge tube of arrester and the ground wire of transition diode On, the induction coil is connected to the thunderbolt pulse counter module, and the thunderbolt pulse counter module connects the CPU.
- 3. the monitoring system of arrester as claimed in claim 2, it is characterised in that also include：Operating voltage acquisition module, zero Ground voltage acquisition module；Wherein, the operating voltage acquisition module is used for the working volts alternating current for gathering the 220V of arrester, institute Part-loading goods acquisition module is stated for the voltage between the zero line and ground wire of the 220V alternating currents for gathering arrester.
- 4. the monitoring system of the arrester as described in any one of claims 1 to 3, it is characterised in that also include：Environment temperature is adopted Collect module, collecting ambient humidity module；Wherein, the temperature collection module, the collecting ambient humidity module connect respectively Meet the CPU.
- 5. the monitoring system of arrester as claimed in claim 4, it is characterised in that also include：Network Interface Module；Wherein, The CPU can connect remote server by the Network Interface Module.
- 6. the monitoring system of arrester as claimed in claim 5, it is characterised in that also include：Voice guard；Wherein, institute CPU is stated to be connected with the voice guard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720580341.XU CN206725680U (en) | 2017-05-22 | 2017-05-22 | A kind of monitoring system of arrester |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720580341.XU CN206725680U (en) | 2017-05-22 | 2017-05-22 | A kind of monitoring system of arrester |
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| CN206725680U true CN206725680U (en) | 2017-12-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108233183A (en) * | 2018-01-09 | 2018-06-29 | 江苏金合益复合新材料有限公司 | A kind of safety-type lightning rod earthing or grounding means |
-
2017
- 2017-05-22 CN CN201720580341.XU patent/CN206725680U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108233183A (en) * | 2018-01-09 | 2018-06-29 | 江苏金合益复合新材料有限公司 | A kind of safety-type lightning rod earthing or grounding means |
| CN108233183B (en) * | 2018-01-09 | 2020-01-03 | 江苏金合益复合新材料有限公司 | Safety lightning rod grounding device |
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Address after: Room 1001, room 23, No. 23, Tianan headquarters, No. 555, Panyu Avenue, east ring street, Panyu District, Panyu District, Guangdong Patentee after: Guangzhou fengfenglei Technology Co., Ltd. Address before: 511450 Guangdong city of Guangzhou province Panyu District Shi Ji Zhen Jin Shan Cun CRE Animation Industrial Park No. C27 fourth Patentee before: Guangzhou science and Technology Co., Ltd.. |
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