CN206804755U - Monitoring device for arrester - Google Patents
Monitoring device for arrester Download PDFInfo
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- CN206804755U CN206804755U CN201720393230.8U CN201720393230U CN206804755U CN 206804755 U CN206804755 U CN 206804755U CN 201720393230 U CN201720393230 U CN 201720393230U CN 206804755 U CN206804755 U CN 206804755U
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- arrester
- monitoring
- leakage current
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Abstract
The utility model discloses the monitoring device for arrester, put including：Shell；First observation circuit, including the counter of the ammeter of the leakage current for monitoring arrester and the action frequency for monitoring arrester；Second observation circuit, including the transformer of the leakage current for gathering arrester and for the first communication device with external communication；Power circuit, for being powered for the first observation circuit and the second observation circuit；The upper end of shell is provided with the connecting interface being connected with arrester, and the lower end of shell, which is provided with, picks out port；Shell also includes the glass window for being used for the action frequency for the leakage current data and counter records for showing the first monitoring circuit monitors.The monitoring device can be to arrester operation carry out in real time effectively monitoring, staff can obtain the real time execution parameter of the arrester monitored through monitoring device in real time by the mobile terminal device carried with, both the substantial amounts of timely processing maked an inspection tour work occupancy, be easy to arrester operation troubles again had been saved.
Description
Technical field
It the utility model is related to a kind of arrester monitoring device, and in particular to a kind of monitoring for monitoring arrester Leakage Current
Device.
Background technology
Electric lightning is Zinc-Oxide Arrester, because it bears the effect of system operation voltage for a long time, has leakage
Electric current flows through Zinc-Oxide Arrester, and zinc oxide valve plate is substantially a kind of piezo-resistance, when there is leakage current to flow through, zinc oxide
Valve block will generate heat, and due to the nonlinear characteristic of zinc oxide valve plate, long duration of action will make zinc oxide valve plate aging, or even occur
Thermal breakdown；Zinc-Oxide Arrester due to long-play out of doors, therefore the steam in environment can enter arrester inside and make
Valve block makes moist, and then flows through the leakage current increase of arrester, and long duration of action can make the decreasing insulating of valve block.Work as oxygen
When change zinc arrester is caused insulating properties to reduce by above-mentioned cause influence, power equipment in parallel will lose protection therewith, shadow
Ring safe operation of power system.It is therefore desirable to the running status of Zinc-Oxide Arrester is monitored.
The existing monitoring device for arrester, shaft tower equal-height position is installed along with arrester mostly, it is necessary to work
Personnel carry out tour meter reading, and the occupancy tour amount of labour is big, and efficiency is low, leakage mistake easily occur, and then accident potential be present.
Although many to the monitoring mode of arrester at present, many defects be present, some precision are inadequate, and some prices are held high
It is expensive, or digitlization and intellectuality can not be accomplished.
Utility model content
The defects of for prior art, the utility model provides one kind can carry out in real time effectively monitoring to arrester, and
It can reduce and make an inspection tour the monitoring device that work takes.
The utility model mainly adopts the following technical scheme that：
A kind of monitoring device for arrester, it is characterised in that including：Shell；First observation circuit, including for supervising
Survey the ammeter of leakage current and the counter of the action frequency for monitoring arrester of arrester；Second observation circuit, bag
Include the transformer of the leakage current for gathering arrester and for the first communication device with external communication；Power circuit, use
Powered in for the first observation circuit and the second observation circuit；The upper end of shell is provided with the connecting interface being connected with arrester, shell
Lower end be provided with pick out port；Shell also includes being used for the leakage current data and counter note for showing the first monitoring circuit monitors
The glass window of the action frequency of record.
Further, the first observation circuit includes：First resistor, one end of first resistor are connected to arrester, another termination
Ground；Electric capacity, it is connected in parallel with first resistor；First semiconductor power pipe, its one end are connected with first resistor, the other end and electric capacity
Connection；Second semiconductor power pipe, its one end and capacitance connection, other end ground connection；Counter and the second semiconductor power Guan Lian
Connect to record number of lightning strokes；First semiconductor power pipe is switched on the second semiconductor power pipe in thunderbolt, is driven by electric capacity
Dynamic rolling counters forward.
Further, the second observation circuit also includes：Signal processing circuit, it is connected with transformer, by letting out for transformer collection
The analog signal of leakage current is converted into data signal；Controller, it is connected with signal processing circuit, reception comes from signal processing circuit
Leakage current；Clock circuit, including crystal oscillator, are connected with controller, the clock log standard as controller；Fault detect electricity
Road, it is electrically connected with controller, detects monitoring device and/or the failure of arrester；Warning device, it is electrically connected with controller,
Alarm signal is sent in monitoring device and/or arrester.
Further, in addition to：Intelligent terminal, intelligent terminal include：Operation circuit, operated for user to be sent out to monitoring device
Send instruction；Display circuit, show the action frequency of arrester and the peak value and actuation time of leakage current and action current；The
Two communication devices, for being communicated with one another with the first communication device；MCU chip, filled with operation circuit, display circuit and the second communication
Put electric connection.
Further, in addition to：Battery, it is electrically connected with power circuit, for being powered for monitoring device.
Further, in addition to：Solar panels, it is arranged on the upside of shell；Solar panels are electrically connected with power circuit, electricity
The solar energy that solar panels absorb is converted to electric energy and thinks that monitoring device is powered by source circuit.
Further, in addition to：Magnetic field conversion equipment, side inside the housing is set；Magnetic field converter device is used to perceive
Magnetic field energy is simultaneously converted to electric field energy and powered using exporting electric energy as monitoring device by magnetic field around monitoring device, magnetic field conversion
Device is electrically connected with power circuit.
Further, in addition to：Energy-storage module, electric energy is stored when dash current flows through monitoring device to be used as stand-by power supply
Powered for monitoring device；Energy-storage module is electrically connected with power circuit.
Further, in addition to：Temperature difference electricity generation device, for perceiving the external environment condition of monitoring device and utilizing monitoring device
Inside and outside temperature difference, which generates electricity, thinks that monitoring device is powered.
Further, the communication modes between the first communication device and the second communication device are using wireless telecommunications, power carrier
Communication or one kind in GPRS communications or its combination.
Monitoring device of the present utility model, can be to arrester by the design of the double measure loops of low-power consumption and intelligent terminal
Operation carry out in real time effectively monitoring, staff can be obtained through monitoring device in real time by the mobile terminal device carried with
The real time execution parameter of the arrester of monitoring, both saved it is substantial amounts of make an inspection tour work and take, be easy to again arrester operation troubles and
When handle.The designs of the double measure loops of low-power consumption further such that the service data value for the arrester that monitoring device is monitored more
Accurately.
Brief description of the drawings
Fig. 1 is the structural representation of one embodiment of arrester monitoring device；
Fig. 2 is the structural representation of intelligent terminal 30 in Fig. 1；
Fig. 3 is the circuit connection diagram of arrester monitoring device in Fig. 1；
Fig. 4 is the partial circuit connection figure of detection means in Fig. 1；
Fig. 5 is the circuit diagram of the first observation circuit.
Embodiment
Referring to figs. 1 to the arrester monitoring device 100 shown in Fig. 3, including arrester 10, monitoring device 20 and intelligent terminal
30。
Arrester 10 is connected between power network wire and ground wire, for making in power system various electric equipments from thunder and lightning
The electrical equipment that overvoltage is impacted and damaged.Arrester includes housing 110, and it forms cylindrical cavity 111.Housing 110 is placed on
On support bar, housing upper end is provided with connector 130, and connector 130 is used to make arrester be connected to power network wire, connector 130
One end be electrically connected with metal oxide valve block 120.Housing lower end is provided with conductive plate 140, and conductive plate 140 is grounded.Metal oxygen
Compound valve block 120 is located at the intracavitary of cylindrical cavity, and a current sensor 150 is provided with the lower end of metal oxide valve block 120, uses
The leakage current of metal oxide valve block 120 is flowed through in detection.Specifically, metal oxide valve block 120 is zinc oxide valve plate.
Metal oxide valve block ensures electric current releasability of monitoring device when by heavy current impact, and and can ensures that arrester is normally transported
High-voltage isulation state during row.
Arrester 10 also includes a Wiring port 160 to stretch out along housing side, to facilitate connection monitoring device 20
Arrester is monitored.Specifically, one end of Wiring port and current sensor 150 and metal oxide valve block 120 are electrical
Connection, the other end are electrically connected with as output port and monitoring device 20.
Monitoring device 20 includes shell 201, the first observation circuit 210, the second observation circuit 220, battery 218 and the sun
Can plate 217.Wherein, the upper end of shell 201 is provided with a connectivity port 202, input of the connectivity port 202 as detection means,
It is electrically connected with Wiring port 160；The lower end side of shell 201 is provided with and picks out interface 203, picks out interface 203 and is used to connect light
Fine or cable, the signal that monitoring device 20 monitors can be through optical fiber or cable transmission or wireless transmissions to intelligent terminal
30.Shell 201 has glass window, for showing the leakage current data and action frequency of the detection of the first observation circuit.
Battery 218, the first observation circuit 210, the second observation circuit 220 are arranged on the inside of shell 201, battery
218 are electrically connected with the first observation circuit 210 and the second observation circuit 220 respectively, for being powered for them.
With reference to shown in 1 and Fig. 3, monitoring device 20 also includes：Magnetic field conversion equipment 219 and power circuit 223.Solar panels
217 are arranged on the upside of shell, and magnetic field converter device 219 is located in shell 201, and power circuit 223 and solar panels 217 are electrical
Connection, is converted into electric energy by the solar energy that solar panels 217 absorb and thinks that monitoring device 20 is powered.Electric quantity detecting circuit 226 is used
In the electricity of detection battery 218.When monitoring device 20 works, battery 218 is monitoring device as main power supply source
20 power supplies, electric quantity detecting circuit 226 detect the dump energy of battery 218, and controller 225 judges that the dump energy of detection is relatively low
When deficiency thinks that monitoring device 20 is powered, control signal is sent to power circuit 223, makes power circuit 223 by solar panels 217
The solar energy of reception is converted into electric energy and powered for monitoring device 20.Further, it may also include charging module in power circuit 223
And energy-storage module.Charging module converts the solar into electric energy and charged for battery.Energy-storage module is a storage capacitor, will be flowed through
The dash current storage of monitoring device 20 is powered as stand-by power supply, and the dash current can be high current more than kilovolt.So
Under the adverse circumstances such as rainy days during 20 accumulator electric-quantity deficiency of monitoring device, it can be used as by the electric energy that energy-storage module stores standby
Electric energy is discharged with power supply.Magnetic field conversion equipment 219 is used to perceive the magnetic field around monitoring device 20 and be converted into magnetic field energy
Electric field energy is to export electric energy power supply, and magnetic field conversion equipment 219 is electrically connected with power circuit 223, and magnetic field conversion equipment 219 is set
Put the side of close solar panels inside the housing.Specifically, magnetic field conversion equipment 219 includes inductance.
Monitoring device 20 also includes temperature-difference power generation module, can perceive the external environment condition of monitoring device 20 and utilize monitoring dress
The inside and outside temperature difference put generates electricity and powered using producing electric energy as monitoring device 20.So, when monitoring device 20 is under low temperature environment,
During such as ice and snow day, when other electric supply installations in monitoring device 20 can not power, temperature-difference power generation module can utilize monitoring dress
The internal-external temperature difference generating for putting 20 thinks that the power supply of monitoring device 20 makes the normal work of monitoring device 20.Specifically, temperature-difference power generation module
Including thermo-electric generation sheet.
First observation circuit 210 is used as machinery monitoring circuit, is electrically connected with metal oxide valve block 120 lightning-arrest to detect
The leakage current of device and action.
With reference to shown in figure 3 and Fig. 4, the first observation circuit 210 include signal acquisition circuit 211, overvoltage crowbar 212,
Current-limiting protection circuit 213, counter 214 and ammeter 216.Signal acquisition circuit 211 is electrically connected with metal oxide valve block,
For gathering the electric signal on metal oxide valve block.Specifically, signal acquisition circuit 211 includes first resistor and the second electricity
Resistance.Overvoltage crowbar 212 is electrically connected with signal acquisition circuit 211, and the first observation circuit is detected in signal acquisition circuit 211
210 protect the first observation circuit 210 and wherein each electronic component, current-limiting protection circuit 213 and overvoltage protection electricity when over-pressed
Road 212 is electrically connected with, for detect the first observation circuit 210 electric current whether excessively stream.Ammeter 216 and current-limiting protection circuit
213 are electrically connected with, for detecting the leakage current of arrester.Counter 214 is electrically connected with current-limiting protection circuit 213, is used for
Record number of lightning strokes.
As one kind of specific implementation, with reference to shown in figure 3, the first observation circuit 210 includes：First resistor R1,
Two resistance R2, electric capacity C, the first semiconductor power pipe U1, the second semiconductor power pipe U2 and counter 214.Wherein, first resistor
R1 one end is connected to arrester, and the other end is connected to second resistance R2, the other end ground connection of second resistance.First semiconductor work(
Rate pipe U1 one end is connected between first resistor R1 and second resistance R2, and the other end is connected to electric capacity C one end.The second half lead
Body power tube U2 both ends are respectively connecting to electric capacity C both ends, and are grounded by electric capacity C.First observation circuit 210 also includes：
Slide rheostat RX, it is connected to the first semiconductor power pipe U1 both ends, and the first semiconductor power pipe U1 is flowed through for adjusting.
So, in the state of normally without thunderbolt, leakage current of an arrester is released to the earth by first resistor R1, second resistance R2.
When there is thunderbolt, electric current increases in the first observation circuit 210 so that the first semiconductor power pipe U1 and the second semiconductor power pipe
U2 normallies work, so that electric capacity C releases energy records number of lightning strokes with actuation counter 214.
With reference to shown in figure 3, the second observation circuit 220 is used as digital monitoring circuit, including：Warning device 221, clock circuit
222nd, power circuit 223, electric quantity detecting circuit 226, signal processing circuit 224, controller 225, indicating circuit 227 and address choosing
Select device 228.
Signal processing circuit 224 is connected with current sensor 150, for the analog current for gathering current sensor 150
Signal is converted into digital current signal output, specifically, signal processing circuit 224 is A/D change-over circuits.
Controller 225 is used to receiving and handling the electric signal relevant with arrester.Specifically, controller 225 is a control
Chip.
Clock circuit 222 is used to provide accurate time standard for the work of monitoring device 20.Specifically, clock circuit 222
Including crystal oscillator and clock chip.When thunder and lightning triggers, clock circuit 222 gathers the current time in real time, is passed through the temporal information
Controller 225 is transported to, so as to reach the purpose in record thunderbolt triggered time.
Addressing circuit 228 is used for the address for selecting arrester.Specifically, addressing circuit 228 is opened including dial-up
Close, controller 225 reads the arranges value of toggle switch, a unique address parameter is set for different arresters, with convenient
Intelligent terminal 30 makes a distinction and selected to different arresters.
Power circuit 223 is used for the electric energy for providing the work of monitoring device 20.It can pass through built-in battery or above-mentioned
The input of solar panels, temperature-difference power generation module, energy-storage module and/or magnetic field conversion equipment as electric energy.Passing through built-in storage
During input source of the battery as electric energy, for convenience of being monitored to electricity, the first observation circuit 210 also includes electricity and examined
Slowdown monitoring circuit 226 and indicating circuit 227.Reminded and used by indicating circuit 227 when electric quantity detecting circuit 226 detects not enough power supply
Family.Specifically, indicating circuit 227 includes LED.
Second observation circuit 220 also includes failure detector circuit and warning device 221, and is detected in failure detector circuit
When two observation circuits 220 and/or the first observation circuit 210 break down, warning device 221 is alarmed to inform user.Specifically,
Warning device 221 includes buzzer.
First communication device 229 is electrically connected with controller 225, for being communicated with intelligent terminal 30.First communication device
229 and second between communication device 340 using wireless telecommunications, power carrier communication or GPRS communications.Specifically, the first communication dress
Put and use 315MHz, 433MHz or 470MHz low-frequency communication frequency range, protected while ensureing that communication distance is more than 300 meters
Demonstrate,prove the power consumption told somebody what one's real intentions are.
For convenience of the transmission and interaction of the signal relevant with arrester, arrester monitoring device 100 also includes memory
215, for storing the information relevant with arrester, such as arrester address parameter, the Leakage Current of arrester, number of lightning strokes, thunder
Hit the information such as time, the number of stoppages and time.Memory 215 may be provided in arrester and/or monitoring device 20.To facilitate use
Family directly invokes acquisition information by intelligent terminal 30.
, may be to current sensor especially in heavy current impact to be further ensured that the accuracy of leakage current detection
Caused by damage, the second observation circuit 220 also includes Zero flux transformer, accurate measurement, and can exist when there is leakage current
Lightning-stroke Protection Technology is carried out during heavy current impact and will not be caused to damage by heavy current impact, ensure that the accurate of leakage current detection
Degree.
Referring to figs. 2 and 3 shown, intelligent terminal 30 include terminal shell and MCU chip 320 in terminal shell,
Operation circuit 360, power supply circuit 310, GPS circuitry 350, the communication device 340 of display circuit 370 and second.Intelligent terminal 30 can
For handheld terminal.Staff can carry with the intelligent terminal 30 to obtain at any time through the monitoring of monitoring device 20 with keeping away
The related Monitoring Data of thunder device 10, without be limited to monitoring device 20 installation site and staff and arrester away from
From.
Operation circuit 360 is operated to carry out man-machine interaction so as to obtain relevant information for staff, for example, staff
Corresponding instruction is sent to monitoring device 20 by operating operation circuit 360, reads the related data of monitoring device 20.Specifically
, operation circuit 360 includes the button of multiple expression different operating functions, and intelligent terminal is controlled by the operation to button
30.For example, operation circuit 360 includes power button, sets button, storage button and inquiry button.
Power supply circuit 310 is used to power for intelligent terminal 30, specifically, the electric energy of lithium battery is converted to suitable for intelligence
The voltage of each device and circuit in terminal 30, each device and circuit is set to work.Further, intelligent terminal 30 also includes charging electricity
Road, it is lithium cell charging to access external power supply in electric quantity of lithium battery deficiency.
GPS circuitry 350 is used to receive satellite time, by compared with time for being recorded with clock circuit 222, so as to enter
One step ensures the accuracy of thunderbolt time record.
Display circuit 370 is used to show the related data that monitoring device 20 is monitored.Specifically, display circuit 370 includes
Display screen 371.Display circuit 370 can show state of charge, communication state and the gps clock of monitoring device by display screen 371
The information such as information.
MCU chip 320 respectively with operation circuit 360, power supply circuit 310, GPS circuitry 350, display circuit 370 and second
Communication device 340.Specifically, staff operates operation circuit 320, MCU chip 320 responds the letter that operation circuit 320 exports
Number send and instructed so that the second communication device 340 and the first communication device 229 are communicated so as to realize pair to the second communication device 340
The control and communication of monitoring device 20, such as obtain Monitoring Data related to arrester.
The structural representation of intelligent terminal 30 with reference to shown in figure 2, intelligent terminal 30 are provided with power button 361, set and press
Key 363, storage button 364, inquiry button 362 and other function buttons.Staff controls intelligence by operating different key
Energy terminal 30 achieves corresponding function.For example, when needing to open intelligent terminal, staff presses power button 361,
The triggering work of power supply circuit 310 thinks that intelligent terminal 30 is powered, electric on intelligent terminal；Pressed again when without using intelligent terminal
Voltage source button 361, then power off intelligent terminal 30.On intelligent terminal 30 after electricity, staff, which presses, sets button 363 to set
The relevant parameter of intelligent terminal 30 and/or monitoring device 20, such as ID addresses are inputted to specify the monitoring device for needing to monitor, set
Whether put needs to send time synchronized instruction, the instruction for the data for whether needing deletion monitoring device to monitor to monitoring device, is
It is no to need to change related data of the machine etc..Staff presses inquiry button 362 and can inquire about native data, read what is specified
The Monitoring Data of monitoring device, pressing storage button 364 can store the Monitoring Data of monitoring device and/or the time of gps clock
Information, gps satellite number information.
The monitoring device for arrester of the present invention, pass through the design of the double measure loops of low-power consumption and intelligent terminal, energy
Operation to arrester carries out in real time effectively monitoring, and staff can be by the mobile terminal device carried with whenever and wherever possible
Monitoring device is controlled, while the substantial amounts of tour work of saving takes, is easy to the timely processing of arrester operation troubles.
Further, staff can control monitoring device to select the first observation circuit and the second monitoring electricity by intelligent terminal
The switching on road, that is, the detection mode of different leakage currents is selected, to adapt to different duty requirements.Improving leakage current inspection
Survey precision while, can in real time, accurately, safely and reliably the operational factor of arrester is monitored on-line.Meet to keeping away
The digitlization of thunder device, Intellectualized monitoring；There is low cost, high-performance, the performance of long-life again.
General principle, principal character and advantage of the present utility model has been shown and described above.The technical staff of the industry
It should be appreciated that above-described embodiment does not limit the utility model in any form, it is all by the way of equivalent substitution or equivalent transformation
The technical scheme obtained, all falls within the scope of protection of the utility model.
Claims (10)
- A kind of 1. monitoring device for arrester, it is characterised in that including：Shell；First observation circuit, including the ammeter of the leakage current for monitoring the arrester and for monitoring the arrester Action frequency counter；Second observation circuit, including the transformer of the leakage current for gathering the arrester and for external communication One communication device；Power circuit, for being powered for first observation circuit and the second observation circuit；The upper end of the shell is provided with the connecting interface being connected with the arrester, and the lower end of the shell, which is provided with, picks out port； The shell is also including for showing the leakage current data of first monitoring circuit monitors and moving for the counter records Make the glass window of number.
- 2. monitoring device according to claim 1, it is characterised in thatFirst observation circuit includes：First resistor, one end of the first resistor are connected to the arrester, other end ground connection；Electric capacity, it is connected in parallel with the first resistor；First semiconductor power pipe, its one end are connected with the first resistor, the other end and the capacitance connection；Second semiconductor power pipe, its one end and the capacitance connection, other end ground connection；The counter is connected to record number of lightning strokes with the second semiconductor power pipe；The first semiconductor power pipe is switched on the second semiconductor power pipe in thunderbolt, is driven by the electric capacity The rolling counters forward.
- 3. monitoring device according to claim 1, it is characterised in thatSecond observation circuit also includes：Signal processing circuit, it is connected with the transformer, the analog signal for the leakage current that the transformer is gathered is converted into Data signal；Controller, it is connected with the signal processing circuit, receives the leakage current from the signal processing circuit；Clock circuit, including crystal oscillator, it is connected with the controller, the clock log standard as the controller；Failure detector circuit, it is electrically connected with the controller, detects the monitoring device and/or the failure of the arrester；Warning device, it is electrically connected with the controller, alarm signal is sent in the monitoring device and/or the arrester Number.
- 4. monitoring device according to claim 1, it is characterised in thatAlso include：Intelligent terminal, the intelligent terminal include：Operation circuit, operate for user and instructed with being sent to the monitoring device；Display circuit, show the action frequency of the arrester and the peak value and actuation time of leakage current and action current；Second communication device, for being communicated with one another with first communication device；MCU chip, it is electrically connected with the operation circuit, display circuit and the second communication device.
- 5. monitoring device according to claim 1, it is characterised in thatAlso include：Battery, it is electrically connected with the power circuit, for being powered for the monitoring device.
- 6. monitoring device according to claim 1, it is characterised in thatAlso include：Solar panels, it is arranged on the upside of the shell；The solar panels are electrically connected with the power circuit, the solar energy that the power circuit absorbs the solar panels Be converted to electric energy and think the monitoring device power supply.
- 7. monitoring device according to claim 1, it is characterised in thatAlso include：Magnetic field conversion equipment, it is arranged on the side of the enclosure；The magnetic field converter device is used to perceive the magnetic field around the monitoring device and the magnetic field energy is converted into electric field Energy is powered using exporting electric energy as the monitoring device, and the magnetic field conversion equipment is electrically connected with the power circuit.
- 8. monitoring device according to claim 1, it is characterised in thatAlso include：Energy-storage module, when dash current flows through the monitoring device store electric energy using as stand-by power supply as the monitoring device Power supply；The energy-storage module is electrically connected with the power circuit.
- 9. monitoring device according to claim 1, it is characterised in thatAlso include：Temperature difference electricity generation device, for perceiving the external environment condition of the monitoring device and utilizing the inside and outside temperature difference of the monitoring device The monitoring device power supply is thought in generating.
- 10. monitoring device according to claim 4, it is characterised in thatCommunication modes between first communication device and second communication device are using wireless telecommunications, power carrier communication Or one kind in GPRS communications or its combination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720393230.8U CN206804755U (en) | 2017-04-14 | 2017-04-14 | Monitoring device for arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720393230.8U CN206804755U (en) | 2017-04-14 | 2017-04-14 | Monitoring device for arrester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206804755U true CN206804755U (en) | 2017-12-26 |
Family
ID=60733050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720393230.8U Active CN206804755U (en) | 2017-04-14 | 2017-04-14 | Monitoring device for arrester |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108922134A (en) * | 2018-09-12 | 2018-11-30 | 常州瑞禧电力设备有限公司 | A kind of anti-thunder insulator monitoring alarm |
| WO2019192221A1 (en) * | 2018-04-04 | 2019-10-10 | 南京世都科技有限公司 | Lightning arrester device |
-
2017
- 2017-04-14 CN CN201720393230.8U patent/CN206804755U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019192221A1 (en) * | 2018-04-04 | 2019-10-10 | 南京世都科技有限公司 | Lightning arrester device |
| CN108922134A (en) * | 2018-09-12 | 2018-11-30 | 常州瑞禧电力设备有限公司 | A kind of anti-thunder insulator monitoring alarm |
| CN108922134B (en) * | 2018-09-12 | 2023-10-13 | 江苏瑞禧智能电力科技有限公司 | Lightning protection insulator monitoring alarm device |
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