CN205581193U - Distribution lines voltage monitoring devices and monitoring system - Google Patents
Distribution lines voltage monitoring devices and monitoring system Download PDFInfo
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- CN205581193U CN205581193U CN201620368018.1U CN201620368018U CN205581193U CN 205581193 U CN205581193 U CN 205581193U CN 201620368018 U CN201620368018 U CN 201620368018U CN 205581193 U CN205581193 U CN 205581193U
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- voltage signal
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- distribution circuit
- voltage
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Abstract
The utility model provides a distribution lines voltage monitoring devices and monitoring system, the device is including divider, control box and energy supply device, the control box is connected with divider and energy supply device respectively, the control box includes secondary divider, capture card and industrial computer, the capture card is connected with secondary divider and industrial computer respectively. The device not only can install in the position that has more lightning protection measure, can install moreover in the distribution lines position that does not have lightning protection measure or few lightning protection measure to monitor the net twine of joining in marriage of complete wave form change and pass by voltage signal, improve and join in marriage the degree of accuracy that the monitoring results of voltage was passed by to the net twine.
Description
Technical field
This utility model relates to distribution line on-line monitoring field, particularly a kind of distribution circuit electric voltage monitoring dress
Put and monitoring system.
Background technology
6kV to 35kV distribution line region be directly facing user, the stable operation of circuit for whole electrical network very
Important.The various accident major parts occurred in distribution are all to be caused by the overvoltage of system.When system occurs
During Overvoltage, how Correct Analysis accident concrete reason take effective preventive measure, be always with
Perplex the difficult problem of people.Therefore, use overvoltage on-line monitoring system the most reliably that electrical network was carried out
The on-line monitoring of voltage seems the most necessary.
Most of distribution overvoltage faults occur in the line, and existing over-voltage monitoring system is generally installed
In transformer station, transformer station installs the lightning protection measures such as more discharging rod, therefore, can not supervise in transformer station
Measuring the distribution line lightning surge data of complete waveform change, monitoring result is not accurate enough.
Utility model content
For above-mentioned problems of the prior art, this utility model provides a kind of distribution circuit electric voltage monitoring
Device and monitoring system, this device can be arranged on each position of distribution line, it is possible to monitoring is complete in real time
The distribution line overvoltage data of waveform change, thus improve the accurate of the monitoring result of distribution line overvoltage
Degree.
Distribution circuit electric voltage monitoring device of the present utility model, including potentiometer, control chamber and power supply device,
Described control chamber is connected with potentiometer and power supply device respectively;Described control chamber includes second divided voltage device, adopts
Truck and industrial computer, described capture card is connected with second divided voltage device and industrial computer respectively;
Described potentiometer is connected with the phase line of distribution line to be monitored, by described distribution line phase line to be monitored
High voltage signal is converted to low voltage signal, and described control chamber gathers described low voltage signal, obtains gathering electricity
Pressure signal, and monitor described collection voltage signal, control chamber is powered by described power supply device;Wherein,
Described low voltage signal is converted to the nominal input voltage signal of capture card by described second divided voltage device, described in adopt
Truck gathers described nominal input voltage signal, and described industrial computer inputs described nominal input voltage signal,
To gathering voltage signal.
Distribution circuit electric voltage monitoring device of the present utility model, potentiometer is by the height of distribution line phase line to be monitored
Voltage signal is converted to low voltage signal, and described low voltage signal is converted to adopt by the second divided voltage device of control chamber
The nominal input voltage signal of truck, the capture card of control chamber gathers described nominal input voltage signal, obtains
Gathering voltage signal, industrial computer record also monitors described collection voltage signal.This device can not only be arranged on
Have in the position of more lightning protection measures, and can be arranged on and there is no lightning protection measures or few lightning protection measures
Distribution line position, it is possible to monitor the distribution line overvoltage signal of complete waveform change, thus improve
The accuracy of the monitoring result of distribution line overvoltage.
Distribution circuit electric voltage of the present utility model monitoring system, including monitoring device, communication module and service
Device, described communication module is connected with monitoring device and server respectively;
The voltage signal of described monitoring device monitoring distribution line, will trigger the voltage signal of predetermined level, logical
Crossing communication module to transmit to server, the described voltage signal received is monitored by described server.
Above-mentioned distribution circuit electric voltage monitoring system, monitoring device can not only be arranged on has more lightning protection measures
Position in, and can be arranged on and there is no lightning protection measures or the distribution line position of few lightning protection measures,
Can monitor the distribution line lightning surge data of complete waveform change, monitoring device monitors distribution line
In road, the overvoltage signal of complete waveform change, by triggering the voltage signal of predetermined level, passes through communication module
Transmission is to server, and the described voltage signal received is monitored by server.Therefore, this monitoring system
The accuracy of the remotely monitoring of distribution line overvoltage can be improved.
Accompanying drawing explanation
Fig. 1 is the structural representation of the distribution circuit electric voltage monitoring device of an embodiment;
Fig. 2 is the structural representation of the distribution circuit electric voltage monitoring device of another embodiment;
Fig. 3 is the installation design sketch of the distribution circuit electric voltage monitoring device of another embodiment;
Fig. 4 is the structural representation of the distribution circuit electric voltage monitoring system of another embodiment.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing pair
This utility model is described in further detail.
Refer to the structural representation of the distribution circuit electric voltage monitoring device of an embodiment in Fig. 1, including dividing
Depressor 100, control chamber 110 and power supply device 120, described control chamber 110 respectively with potentiometer 100 and
Power supply device 120 connects;Described control chamber 110 includes second divided voltage device 111, capture card 112 and industry control
Machine 113, described capture card 112 is connected with second divided voltage device 111 and industrial computer 113 respectively, described secondary
Potentiometer 111 is connected with potentiometer 100, and described industrial computer 113 is connected with power supply device 120.
Described potentiometer 100 is connected with the phase line of distribution line to be monitored, by described distribution line phase to be monitored
The high voltage signal of line is converted to low voltage signal;Described control chamber 110 gathers described low voltage signal,
To gathering voltage signal, and monitoring described collection voltage signal, described power supply device 120 is to control chamber 110
It is powered;Wherein, described low voltage signal is converted to the specified of capture card by described second divided voltage device 111
Input voltage signal, described capture card 112 gathers described nominal input voltage signal, described industrial computer 113
Input described nominal input voltage signal, obtain gathering voltage signal.
In the distribution circuit electric voltage monitoring device of the present embodiment, potentiometer 100 is by distribution line phase line to be monitored
High voltage signal be converted to low voltage signal, the second divided voltage device 111 in control chamber 110 is by described low-voltage
Signal is converted to the nominal input voltage signal of capture card, and capture card 112 gathers described nominal input voltage letter
Number, obtaining gathering voltage signal, industrial computer 113 monitors described collection voltage signal, and this device can not only
It is arranged in the position with more lightning protection measures, and can be arranged on and there is no lightning protection measures or seldom prevent
The distribution line position of thunder measure, it is possible to monitor the distribution line overvoltage signal of complete waveform change, from
And improve the accuracy of the monitoring result of distribution line overvoltage.
Wherein in an embodiment, as in figure 2 it is shown, described power supply device 120 include solar panels 122,
Controller for solar 121 and lead-acid accumulator 123;Described controller for solar 121 respectively with solar panels
122 and lead-acid accumulator 123 connect;Described controller for solar 121 also with the industry control in control chamber 110
Machine 113 connects.
In the present embodiment, solar panels 122 are the cores of power supply device 120, and its effect is by the sun
Emittance be converted to electric energy, by electric energy or be sent to lead-acid accumulator 123 and store, or directly to control
Case processed is powered;Controller for solar 121 effect is the duty controlling whole power supply device 120,
And lead-acid accumulator 123 is played the effect of additives for overcharge protection, over.In the place that the temperature difference is bigger,
Described controller for solar 121 is also equipped with the function of temperature-compensating, and other additional functions, opens as light-operated
Pass and time switch etc.;Lead-acid accumulator 123 also can use Ni-MH battery, nickel-cadmium cell or lithium battery to replace,
Its effect is the electrical power storage confessed by solar panels 122 when there being illumination, to the when of needs again
Discharge.This embodiment improves described distribution circuit electric voltage monitoring device and be arranged on each position of distribution line
The convenience put.
Wherein in an embodiment, described potentiometer 100 is RC divider.RC divider has good
Good High Voltage Impulse Waveform response, it is possible to exactly the high voltage signal of distribution line phase line to be monitored is changed
For low voltage signal;And RC divider system portable construction, complete machine aluminium alloy packing crates makees casing,
Use, carry very convenient, improve further described distribution circuit electric voltage monitoring device and be arranged on distribution line
The convenience of each position.
Wherein in an embodiment, described capture card is 4 channel acquisition cards, and every passage maximum sample rate is
20MS/s, input voltage range is negative 5V to positive 5V.By the capture card of 4 passages, every passage maximum is adopted
Sample rate is 20MS/s, improves the collecting efficiency of capture card;The input voltage range of negative 5V to positive 5V makes
Being more widely applied of capture card.
Wherein in an embodiment, described distribution circuit electric voltage monitoring device also includes parallel groove clamp and insulation
Lead-in wire, is connected the phase line of insulator pin with distribution line to be monitored by described parallel groove clamp.This embodiment
Utilize parallel groove clamp and insulator pin, the phase line of potentiometer with distribution line to be monitored is connected so that connect
More firm.
Wherein in an embodiment, described distribution circuit electric voltage monitoring device also includes cross arm insulator, logical
Cross described cross arm insulator described insulator pin is fixed, prevent windage yaw.
Below for distribution circuit electric voltage monitoring device of the present utility model preferably use scene, in conjunction with Fig. 3's
Shown in the installation design sketch of distribution circuit electric voltage monitoring device:
Including shaft tower 300, parallel groove clamp 301, insulator pin 302, cross arm insulator 303, resistive-capacitive voltage divider
Device 304, power supply device 305 and control chamber 306.Cross arm insulator 303, RC divider 304, confession
Energy device 305 and control chamber 306 are arranged on shaft tower 300.RC divider 304 passes through insulator pin
302 are connected with the phase line of distribution line to be measured, and wherein insulator pin 302 passes through parallel groove clamp 301 and waits to be measured
The phase line of electric line is connected, and control chamber 306 is connected with RC divider 304, power supply device 305 and control
Case 306 connects.Described power supply device 305 uses solar panels to convert solar energy into electrical energy.
By monitoring the overvoltage data of distribution line, can to distribution line overvoltage diagnosing malfunction and
Protection.Distribution circuit electric voltage monitoring device combines the feature of distribution line load and tower structure, uses the sun
Can take and can mode be powered by load equipment by plate.Utilize control chamber that the overvoltage of each position of distribution line is carried out
Monitoring in real time, it is possible to monitor the distribution line overvoltage signal of complete waveform change, thus improve distribution line
Pass by the accuracy of the monitoring result of voltage.
This utility model also provides for a kind of distribution circuit electric voltage monitoring system, as shown in Figure 4, including monitoring dress
Put 401, communication module 402 and server 403, described communication module 402 respectively with monitoring device 401
And server 403 connects;Described monitoring device 401 monitors the voltage signal of distribution line, will trigger pre-
If the voltage signal of level, being transmitted to server 403 by communication module 402, described server 403 docks
The described voltage signal received is monitored.
The distribution circuit electric voltage monitoring system of above-described embodiment, monitoring device 401 can not only be arranged on to be had
In the position of more lightning protection measures, and can be arranged on and there is no joining of lightning protection measures or few lightning protection measures
Electric line position, it is possible to monitor the distribution line lightning surge data of complete waveform change, monitoring device
401 monitor the overvoltage signal of complete waveform change in distribution line, will trigger the voltage letter of predetermined level
Number, transmitted to server 403, the server 403 described voltage signal to receiving by communication module 402
It is monitored.Therefore, this monitoring system can improve the accuracy remotely monitored of distribution line overvoltage.
Wherein in an embodiment, described communication module 403 is 3G module, and described monitoring device 401 is led to
Cross 3G module and can carry out signal whenever and wherever possible with server 403 alternately, improve the remote of distribution line overvoltage
The convenience of journey monitoring.
Wherein in an embodiment, the quantity of described monitoring device 401 is at least 2, arranges respective numbers
Communication module 402 is connected with described monitoring device 401, by multiple monitoring devices position multiple to distribution line
The overvoltage signal put is monitored, and improves the accuracy of the monitoring result of distribution line overvoltage further.
Wherein in an embodiment, described distribution circuit electric voltage monitoring system also includes with described server even
The alarm module connect, if described voltage signal exceedes threshold value, alarm module described in described server controls is carried out
Alarm.
Each technical characteristic of embodiment described above can combine arbitrarily, for making description succinct, the most right
The all possible combination of each technical characteristic in above-described embodiment is all described, but, if these skills
There is not contradiction in the combination of art feature, is all considered to be the scope that this specification is recorded.
Embodiment described above only have expressed several embodiments of the present utility model, its describe more concrete and
In detail, but therefore can not be interpreted as the restriction to this utility model the scope of the claims.It should be pointed out that,
For the person of ordinary skill of the art, without departing from the concept of the premise utility, it is also possible to
Making some deformation and improvement, these broadly fall into protection domain of the present utility model.Therefore, this utility model
The protection domain of patent should be as the criterion with claims.
Claims (10)
1. a distribution circuit electric voltage monitoring device, it is characterised in that include potentiometer, control chamber and energy supply
Device, described control chamber is connected with potentiometer and power supply device respectively;Described control chamber includes second divided voltage
Device, capture card and industrial computer, described capture card is connected with second divided voltage device and industrial computer respectively;
Described potentiometer is connected with the phase line of distribution line to be monitored, by described distribution line phase line to be monitored
High voltage signal is converted to low voltage signal, and described control chamber gathers described low voltage signal, obtains gathering electricity
Pressure signal, control chamber is powered by described power supply device;Wherein, described second divided voltage device is by described low electricity
Pressure signal is converted to the nominal input voltage signal of capture card, and described capture card gathers described nominal input voltage
Signal, described industrial computer inputs described nominal input voltage signal, obtains gathering voltage signal.
Distribution circuit electric voltage monitoring device the most according to claim 1, it is characterised in that described energy supply
Device includes solar panels, controller for solar and lead-acid accumulator;Described controller for solar respectively with
Solar panels and lead-acid accumulator connect.
Distribution circuit electric voltage monitoring device the most according to claim 1, it is characterised in that described dividing potential drop
Device is RC divider.
Distribution circuit electric voltage monitoring device the most according to claim 1, it is characterised in that described collection
Card is 4 channel acquisition cards, and every passage maximum sample rate is 20MS/s, and input voltage range is for bearing 5V to just
5V。
Distribution circuit electric voltage monitoring device the most according to claim 1, it is characterised in that also include also
Ditch wire clamp and insulator pin, connected the phase line of insulator pin with distribution line to be monitored by described parallel groove clamp
Connect.
Distribution circuit electric voltage monitoring device the most according to claim 5, it is characterised in that also include horizontal stroke
Load insulator, is fixed described insulator pin by described cross arm insulator.
7. a distribution circuit electric voltage monitoring system, it is characterised in that include the monitoring described in claim 1
Device, communication module and server, described communication module is connected with monitoring device and server respectively;
The voltage signal of described monitoring device monitoring distribution line, will trigger the voltage signal of predetermined level, logical
Crossing communication module to transmit to server, the described voltage signal received is monitored by described server.
Distribution circuit electric voltage the most according to claim 7 monitoring system, it is characterised in that described communication
Module is 3G module.
Distribution circuit electric voltage the most according to claim 7 monitoring system, it is characterised in that described monitoring
The quantity of device is at least 2, and the communication module arranging respective numbers is connected with described monitoring device.
10. monitor system, its feature according to the distribution circuit electric voltage described in claim 7 to 9 any one
It is, also includes the alarm module being connected with described server, if described voltage signal exceedes threshold value, described
Described in server controls, alarm module alerts.
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CN201620368018.1U CN205581193U (en) | 2016-04-26 | 2016-04-26 | Distribution lines voltage monitoring devices and monitoring system |
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CN201620368018.1U CN205581193U (en) | 2016-04-26 | 2016-04-26 | Distribution lines voltage monitoring devices and monitoring system |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110988444A (en) * | 2019-11-21 | 2020-04-10 | 深圳供电局有限公司 | Zinc oxide lightning arrester voltage divider, overvoltage detection lightning arrester and detection method |
-
2016
- 2016-04-26 CN CN201620368018.1U patent/CN205581193U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110988444A (en) * | 2019-11-21 | 2020-04-10 | 深圳供电局有限公司 | Zinc oxide lightning arrester voltage divider, overvoltage detection lightning arrester and detection method |
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