CN104267307B - Remote grounding device and equipotential connection fault monitoring system - Google Patents
Remote grounding device and equipotential connection fault monitoring system Download PDFInfo
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- CN104267307B CN104267307B CN201410566201.8A CN201410566201A CN104267307B CN 104267307 B CN104267307 B CN 104267307B CN 201410566201 A CN201410566201 A CN 201410566201A CN 104267307 B CN104267307 B CN 104267307B
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Abstract
The invention discloses a remote grounding device and equipotential connection fault monitoring system. The monitoring system comprises at least one monitoring terminal used for monitoring the grounding device and grounding device equipotential connection fault, field warning devices and a remote monitoring device, the field warning devices and the remote monitoring device are connected with the monitoring terminals through communication, and the remote monitoring device is further connected with the field warning devices. Each monitoring terminal comprises a shell and further comprises a power module, a logic controller, a power generator, a switching circuit and a parameter collecting device, all of which are arranged in the shell, wherein the switching circuit is connected with at least one monitoring object through a protection circuit, the parameter collecting device is used for collecting the current value and the voltage value of the monitoring object and sending the collected current value and the collected voltage value to the logic controller, and the logic controller is used for receiving the current value and the voltage value sent by the parameter collecting device to obtain a resistance value, judging the fault state of the monitoring object according to the resistance value and transmitting a monitoring signal and a fault signal to the field warning devices and the remote monitoring device.
Description
Technical field
The present invention relates to a kind of monitoring system, particularly to a kind of grounding device and equipotential link fault remote monitoring system
System.
Background technology
Grounding device and equipotential link exactly can scatter overvoltage and overcurrent, be electronics and electrical equipment provides one
The device of standard zero potential.Grounding device and equipotential link, if there is fault, can cause lightning protection device inefficacy, electrical equipment
Personnel and device damage, the electrostatic accident of combustible and explosive area, power system and electricity that shell causes because insulation damages are powered
The neutral point failure of device of air and electronic digit device damage and maloperation etc..
The patent of current grounding device and equipotential link monitoring aspect is often conceived to the improvement of monitoring method, exhausts complete
Power improves stability and the accuracy of monitoring, and the failure problems occurring for grounding device and equipotential link itself are not fine
Monitoring means；The monitoring of grounding device and equipotential link often by manually completing, grounding device and equipotential link
Big multiposition is hidden, leads to manual monitoring to be often inconvenient, in addition the environment particularity of special building, artificial hot line job
It is easy to lead to the generation of dangerous situation due to the carelessness of people；Additionally since the monitoring work to grounding device and equipotential link
Make to be usually half a year or annually, periodically pass through the monitoring of earth resistance and transition resistance it is impossible to real-time reflection ground connection dress
Put and equipotential link situation, the monitoring interval probability that breaks down is very big.
Content of the invention
For above-mentioned the deficiencies in the prior art, the technical problem to be solved is：There is provided a kind of grounding device and
Equipotential link fault remote monitoring system, can be long-range, in real time the malfunction of earth resistance is monitored automatically,
And it is capable of the effect of dual fail-safe.
In order to solve above-mentioned technical problem, one aspect of the present invention is：A kind of grounding device is provided and waits
Current potential connecting fault long distance control system, including：For being monitored at least to grounding device and its equipotential link fault
One monitoring terminal, the onsite alarming device being connected with the communication of at least one monitoring terminal respectively and long-distance monitorng device, institute
State long-distance monitorng device to be also connected with described onsite alarming device, described monitoring terminal is used for multiple monitoring objects are supervised
Survey, the fault-signal monitoring is sent and is warned to onsite alarming device, be additionally operable to the monitoring signals monitoring and event
Barrier signal be sent to long-distance monitorng device, described long-distance monitorng device reported to the police according to the fault-signal receiving and according to
The monitoring signals receiving carry out monitor in real time and display.
Described monitoring terminal includes housing and in housing：Power module, logic controller, power source generator,
On-off circuit, parameter acquisition devices；Logic controller is connected with power module and power source generator；On-off circuit is occurred with power supply
Device is connected with parameter acquisition devices.Each module is as described below：
Power module, for providing DC source for monitoring terminal；
Power source generator, for receiving the Monitoring instruction that described logic controller sends, and produces according to this Monitoring instruction
The sine-wave current of different frequency；
On-off circuit, for receiving the sine-wave current that described power source generator produces, and leaves according to this sine-wave current
Breakdown closes；The parameter acquisition devices that described on-off circuit is connected to monitoring object also by protection circuit with least one are connected,
After sending Monitoring instruction when logic controller, on-off circuit enters to the current value and magnitude of voltage of different monitoring objects successively
Row monitoring；
Described protection circuit walks overcurrent and over-voltage non-linear element using can divide；
Parameter acquisition devices, for being acquired to the current value of monitoring object and magnitude of voltage, and by the electric current collecting
Value and magnitude of voltage send to described logic controller；
Described parameter acquisition devices include ammeter and voltmeter；
Logic controller, produces Monitoring instruction for every prescribed time period；
Described logic controller, is connected with described power source generator and described parameter acquisition devices, adopts for receiving parameter
Current value and magnitude of voltage that acquisition means send, and received current value and magnitude of voltage are processed, obtain monitoring object
Resistance value, and according to gained resistance value judge this monitoring object whether there is fault, should by the first signal transmitting apparatus
Monitor value and fault-signal are transmitted separately to onsite alarming device and long-distance monitorng device.
Further, described logic controller includes instruction sending module, parameter receiver module, A/D modular converter, computing
Processing module, judge module, coding module and the first signal transmitting apparatus；At A/D modular converter and parameter receiver module, computing
Reason module and coding module connect；Judge module is connected with calculation process module；First signal transmitting apparatus are with coding module even
Connect.Each module and device are as described below：
Instruction sending module, every prescribed time period sends a Monitoring instruction to described power source generator；
Parameter receiver module, for receiving current value and the magnitude of voltage that described parameter acquisition devices send；
A/D modular converter, for parameter receiver module is sent current value and magnitude of voltage carry out analog/digital conversion；
Calculation process module, carries out calculation process for the current data after A/D is changed and voltage data：By V/I
Obtain resistance value；
Judge module, the resistance value for obtaining to calculation process resume module judges, judges the prison of this monitoring
Whether abnormal survey object, to show whether monitoring object breaks down, detection object refers to monitored resistance herein；
Coding module, for the current value after the conversion of A/D modular converter, magnitude of voltage and monitoring object is identified
And coding, form the first monitoring signals；It is additionally operable to the resistance value obtaining and monitoring object to calculation process module to encode, shape
Become the second monitoring signals；It is additionally operable to after judge module judges to show that this monitoring object breaks down, to monitoring object and event
Barrier signal is encoded, and forms a fault-signal；
First signal transmitting apparatus, the fault-signal for producing coding module coding send to onsite alarming device and
Long-distance monitorng device；It is additionally operable to send the first monitoring signals and the second monitoring signals to long-distance monitorng device.
As optimization, the housing of described monitoring terminal is provided with manually opened detection work or stops detection operating switch
Button, to the detection work pause button being suspended, power supply is carried out with on-off control power switch button, in described housing
Any wall or multiple wall be uniformly provided with multiple fin.
As optimization, described monitoring terminal also includes the first display device being connected with described logic controller, wherein, institute
State the first display device to be connected with described coding module, for showing this fault-signal.
Described onsite alarming device include housing, located at the secondary signal transmitting device in housing, be embedded on housing
Second display device and the first acoustic-optic alarm；Each device is as described below：
Secondary signal transmitting device, for being connected with the first signal transmitting apparatus communication, to receive the first signal transmission dress
Put the fault-signal sending, and this fault-signal is sent to the second display device and the first acoustic-optic alarm；
Second display device, for showing fault-signal；
First acoustic-optic alarm, for carrying out sound warning and flash-caution according to this fault-signal.
Described long-distance monitorng device includes the 3rd signal transmitting apparatus, storage device, the 3rd display device, the second acousto-optic report
Alarm device, processing meanss；Each device is as described below：
3rd signal transmitting apparatus, are connected with the first signal transmitting apparatus and the communication of secondary signal transmitting device, are used for connecing
Receive fault-signal, the first monitoring signals and the second monitoring signals that the first signal transmitting apparatus send；
Storage device, be stored with map data base, is labeled with the tool at each monitoring object place in this map data base
Body position and mark；
3rd display device, for showing fault-signal；
Second acoustic-optic alarm, for alert according to the first time warning instruction sending module in processing meanss and second
Show that the signal that instruction sending module is sent carries out sound warning and flash-caution.
Processing meanss are for processing the signal that the 3rd signal transmitting apparatus receive and corresponding according to result execution
Action；
Described processing meanss include calling module, matching module, for the first time warning instruction sending module, time record mould
Block, judge module, second warning instruction sending module.Each module is as described below：
Calling module, for after the 3rd signal transmitting apparatus receive fault-signal, invocation map data base；
Described calling module is additionally operable to matching monitoring object, the corresponding monitoring terminal of this monitoring object and this monitoring
After onsite alarming device belonging to terminal, call monitoring object, the corresponding monitoring terminal of this monitoring object with this mark
And the onsite alarming device belonging to this monitoring terminal being shown by the 3rd display device；Described 3rd display device is also
For showing the first monitoring signals and the second monitoring signals；
Matching module, for carrying out matched and searched by the mark of this fault-signal with all marks in map data base；
Warning instruction sending module for the first time, for sending first after the 3rd signal transmitting apparatus receive fault-signal
Secondary warning instruction is to the second acoustic-optic alarm；
Time logging modle, the time sending for record warning instruction for the first time；
Judge module, for being mated with current time according to the time sending the first time warning instruction of record,
And judge the time sending warning instruction for the first time whether more than a preset value；
Second warning instruction sending module, for judging to obtain sending warning instruction for the first time in described judge module
After time exceedes described preset value, send second warning instruction to acoustic-optic alarm；
As optimization, described first display device, the second display device and/or the 3rd display device are to have touch input
Function LED or LCD liquid crystal display screen.
As optimization, described first signal transmitting apparatus, secondary signal transmitting device, the 3rd signal transmitting apparatus all wrap
Include：Sender unit and signal receiving device.
Above-mentioned grounding device and equipotential link fault remote monitoring system pass through monitoring terminal and onsite alarming device and
Long-distance monitorng device communication connects, and the signal real-time monitoring or parameter are sent to onsite alarming device and remote monitoring dress
Put, the effect of dual fail-safe can be played, and onsite alarming device and long-distance monitorng device can be made all can to know in real time
The malfunction of monitoring object, is easy to maintainer on-call maintenance.Right to monitoring by onsite alarming device, long-distance monitorng device
As carrying out double knock, play the effect of double insurance.While alarm device sends warning at the scene, long-distance monitorng device is also same
When send warning, even if the warning that onsite alarming device sends is not concerned about by maintainer, the pipe near long-distance monitorng device
After reason personnel or maintainer are heard, similarly can notify the maintainer near onsite alarming device.The present invention
By long-distance monitorng device, onsite alarming device can also be implemented to report to the police again, that is, after certain monitoring object reveals fault,
All do not keeped in repair in long time section, long-distance monitorng device just sends alarm command within a predetermined period of time to scene report
Alarm device, to realize the purpose repeatedly reported to the police.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Have technology description in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, acceptable
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is grounding device of the present invention and the structural representation of equipotential link fault remote monitoring system one embodiment.
Fig. 2 is the frame of monitoring terminal in grounding device of the present invention and equipotential link fault remote monitoring system one embodiment
Figure.
Fig. 3 is logic controller in grounding device of the present invention and equipotential link fault remote monitoring system one embodiment
Block diagram.
Fig. 4 is onsite alarming device in grounding device of the present invention and equipotential link fault remote monitoring system one embodiment
Block diagram.
Fig. 5 is grounding device of the present invention and equipotential link fault remote monitoring system one embodiment medium-long range supervising device
Block diagram.
Fig. 6 is grounding device of the present invention and equipotential link fault remote monitoring system one embodiment medium-long range supervising device
Processing meanss block diagram.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of not making creative work
Embodiment, broadly falls into the scope of protection of the invention.
First, it is necessary to explain to some herein presented terms before being described to embodiment.Example
As：
If herein occur describing various elements using the term such as " first ", " second ", but these elements should not
Limited by these terms.These terms are only used for distinguishing an element and another element.Therefore, " first " element can also
It is referred to as " second " element without departing from the teachings of the present invention.
In addition, it is to be understood that when referring to an element " connection " or " coupled " to another element, it can be direct
Ground connects or is directly coupled to another element or can also there is intermediary element.On the contrary, work as referring to an element " directly
When connection " or " directly coupling " are to another element, then there is not intermediary element.
The various terms herein occurring are used only for describing the purpose of specific embodiment and are not intended as to this
The restriction of invention.Unless context clearly dictates otherwise, then singulative is intended to also include plural form.
When in this manual using term " inclusion " and/or " including ", these terms specify described feature,
The presence of entirety, step, operation, element and/or part, but be also not excluded for more than one other feature, entirety, step,
The presence of operation, element, part and/or its group and/or additional.
With regard to embodiment：
Refer to Fig. 1, Fig. 1 is grounding device and the structural representation of equipotential link fault remote monitoring system one embodiment
Figure.The grounding device of the present embodiment and equipotential link fault remote monitoring system include：For to grounding device and its wait electricity
At least one monitoring terminal 1 that position connecting fault is monitored, the scene being connected with the communication of at least one monitoring terminal 1 respectively are reported
Alarm device 2 and long-distance monitorng device 3, described long-distance monitorng device 3 is also connected with described onsite alarming device 2, described monitoring
Terminal 1 is used for multiple monitoring objects 4 being monitored, for sending to enter the fault-signal monitoring to onsite alarming device 2
Row warning, is additionally operable to for the monitoring signals monitoring and fault-signal to be sent to long-distance monitorng device 3, described long-distance monitorng device
3 are reported to the police and are carried out monitor in real time and display according to the monitoring signals receiving according to the fault-signal receiving.
Refer to Fig. 2, Fig. 2 is to monitor eventually in this grounding device and equipotential link fault remote monitoring system one embodiment
The block diagram at end 1.Wherein, described monitoring terminal 1 includes housing 11 and in housing 11：
Power module 12, for providing DC source for monitoring terminal 1；Power module 12 in this example adopts DC source
Module 12.It is understood that in certain embodiments, according to the needs of different occasions, this power module 12 can also adopt
Alternating current power supply is converted into the power transfer module of DC source.
Logic controller 13, is connected with power module 12, produces a Monitoring instruction for every prescribed time period；
Power source generator 14, is connected with described logic controller 13, refers to for receiving the monitoring that logic controller 13 sends
Order, and sine-wave current is produced according to this Monitoring instruction；
On-off circuit 15, is connected with described power source generator 14, for receiving the sine that described power source generator 14 produces
Ripple electric current, and switch is opened according to this sine-wave current；Described on-off circuit 15 is also by protection circuit 16 and at least one prison
Survey object 4 to connect, after sending Monitoring instruction when logic controller 13, on-off circuit 15 is successively to different monitoring objects 4
Current value and magnitude of voltage be monitored；In this example, each on-off circuit 15 described is connected with multiple monitoring objects 4 switch,
The scheduled time can be artificial logic controller 13 is configured or presets when dispatching from the factory；Such as making a reservation for when setting
When time is five minutes, then logic controller 13 sends a Monitoring instruction in every five minutes, and on-off circuit 15 then basis
The Monitoring instruction going out is monitored to multiple monitoring objects 4 successively, so, you can will be with on-off circuit by a Monitoring instruction
The 15 multiple monitoring objects 4 being connected are monitored.In the present embodiment, using three electrode method or the two poles of the earth method, monitoring object 4 is entered
Row test.
Described protection circuit 16 walks overcurrent and over-voltage non-linear element using can divide；
Parameter acquisition devices 17, are connected with described on-off circuit 15, for entering to the current value of monitoring object 4 and magnitude of voltage
Row collection, and the current value collecting and magnitude of voltage are sent to described logic controller 13；In the present embodiment, described parameter is adopted
Acquisition means 17 are ammeter and voltmeter.
Described logic controller 13, is also connected with described parameter acquisition devices 17, for receiving parameter acquisition devices 17
The current value sending and magnitude of voltage, and processed according to current value and magnitude of voltage, obtain the resistance value of monitoring object 4, according to electricity
Resistance judges that monitoring object 4 whether there is fault, is transmitted this fault-signal to scene report by the first signal transmitting apparatus 18
Alarm device 2 is reported to the police, and monitoring signals is transmitted and carries out monitor in real time and display to long-distance monitorng device 3, thinks subsequently to prison
The research surveying the various performances of object 4 provides real-time data, for example, pass through the position that how many pairs of monitoring objects of resistance value are located
The research such as the environment put, space, humidity of soil, and for example passes through electric current, voltage, the size of resistance value, obtains monitoring object
Etch state etc..
It should be understood that in various embodiments, described monitor terminal is additionally provided with to be examined for the temperature detecting its temperature
Survey element, this detector unit is used for detecting the temperature of described monitor terminal, to prevent monitor terminal long because of run time
And lead to temperature too high, cause monitor terminal to damage or reduce its service life etc..In this embodiment, temperature inspection
Survey element to be connected with described logic controller, by the temperature detecting, in real time or the transmission that is spaced is to logic controller.Institute
State logic controller to also need to set up：Temperature judge module, for by the temperature receiving and maximum temperature value set in advance
Being compared, if judging to obtain this temperature value not less than default maximum temperature value, not carrying out any process；Temperature code mould
Block, for judging that the real time temperature obtaining detecting exceedes default maximum temperature value in temperature judge module, then to monitoring eventually
End is identified, and identification number and real time temperature are encoded, and forms temperature exceeding standard signal；The first transmission in this embodiment
Module is additionally operable to this temperature exceeding standard signal transmission to onsite alarming device 2 and long-distance monitorng device 3, in order to onsite alarming dress
Put 2 and long-distance monitorng device 3 processed.
Refer to Fig. 3, Fig. 3 is to patrol in grounding device of the present invention and equipotential link fault remote monitoring system one embodiment
Collect the block diagram of controller 13.Described logic controller 13 includes：
Instruction sending module 131, every prescribed time period sends a Monitoring instruction to power source generator 14；This pre- timing
Between voluntarily can be set with user, for example can arrange one minute, five minutes, ten minutes etc., this scheduled time is acceptable
Set when monitoring terminal 1 dispatches from the factory, just no longer excessive restriction is carried out to it herein.
Parameter receiver module 132, for receiving current value and the magnitude of voltage of parameter acquisition devices 17 transmission；
A/D modular converter 133, is connected with described parameter receiver module 132, for the current value receiving and magnitude of voltage
Carry out analog/digital conversion；
Calculation process module 134, is connected with described A/D modular converter 133, for the current data after conversion and voltage
Data carries out calculation process, wherein, obtains resistance value by V/I；
Judge module 135, the resistance value for obtaining to process judges, judges the monitoring object 4 of this monitoring
Whether resistance is abnormal, to obtain whether monitoring object 4 breaks down；For example：Assume that grounding device and its equipotential link do not go out
During existing fault, its resistance is 5 ohm, if certain once monitors and judge to obtain the resistance that this time monitor as 10 ohm, then
Then represent that this grounding device and its equipotential link occur in that fault.
Coding module 136, is connected 135 with A/D modular converter 133, calculation process module 134 and judge module, is used for
To the current value after A/D modular converter 133 conversion, magnitude of voltage and monitoring object 4 is identified and encodes, to form first
Monitoring signals；It is additionally operable to the resistance value obtaining and monitoring object 4 to calculation process module 134 to encode, to form the second prison
Survey signal；It is additionally operable to after judge module 135 judges to break down to this monitoring object 4, to monitoring object and fault letter
Number encoded, formed fault-signal in encoded；
Described first signal transmitting apparatus 18, for sending fault-signal to onsite alarming device 2 and remote monitoring dress
Put 3；It is additionally operable to send the first monitoring signals and the second monitoring signals to long-distance monitorng device 3.
In the present embodiment, described monitoring terminal 1 also includes the first display device 19, and described first display device 19 can be
It is embedded at the LED on housing 11 or LCD liquid crystal display screen, further, described LED or LCD liquid crystal display screen can have
Touch-input function.Described first display device 19 is connected with described coding module 136, for showing this fault-signal.
In the present embodiment, the housing 11 of described monitoring terminal 1 is also embedded with various physical button, such as with logic control
The shift knob of open detection that device 13 connects, to the detection pause button that suspended of work or stop button, to power supply
Module 12 carries out power switch button of on-off control etc.；Any wall on described housing 11 or multiple wall uniformly open up
There are multiple fin（Accompanying drawing does not indicate）, in order to effectively to be radiated to monitoring terminal 1.
Refer to Fig. 4, Fig. 4 is existing in grounding device of the present invention and equipotential link fault remote monitoring system one embodiment
The block diagram of field alarm device 2.Described onsite alarming device 2 also includes housing 21, the secondary signal transmission dress in housing 21
Put 22, the second display device 23 being embedded on housing 21 and the first acoustic-optic alarm 24.Described secondary signal transmission dress
Put 22 to be connected with the first signal transmitting apparatus 18 communication, to receive the fault-signal that the first signal transmitting apparatus 18 send, and
This fault-signal is sent to the second display device 23 and the first acoustic-optic alarm 24；Described second display device 23 is used for showing
Show this fault-signal；Described first acoustic-optic alarm 24 is used for carrying out sound warning and flash-caution according to this fault-signal.
Described secondary signal transmitting device 22 is also connected with long-distance monitorng device 3 communication.Likewise, any wall on housing 21 or
The multiple wall of person is uniformly provided with multiple fin（Accompanying drawing does not indicate）, in order to radiate to onsite alarming device 2.When existing
After field alarm device 2 receives the fault-signal that monitoring terminal 1 sends, pass the signal along to display device and the first acousto-optic report
Alarm device 24 is warned, and so that the personnel positioned at onsite alarming device 2 adnexa is listened/see after warning, can be instant to monitoring
Object 4 carries out maintenance process.Described second display device 23 is similarly LCD or LED LCDs, further, LCD or
Person's LED LCDs have touch-input function.
Refer to Fig. 5, Fig. 5 is remote in grounding device of the present invention and equipotential link fault remote monitoring system one embodiment
The block diagram of range monitoring device 3.Described long-distance monitorng device 3 is connected with multiple onsite alarming devices 2 and multiple monitoring terminal 1, institute
State long-distance monitorng device 3 and include the 3rd signal transmitting apparatus 31, processing meanss 32, storage device 33, the 3rd display device 34, defeated
Enter output device 36, the second acoustic-optic alarm 35；
Described 3rd signal transmitting apparatus 31 and the first signal transmitting apparatus 18 and secondary signal transmitting device 22 communication are even
Connect, for receiving fault-signal, the first monitoring signals and second monitoring signals of the first signal transmitting apparatus 18 transmission；Described
Storage device 33, be stored with map data base, is labeled with the particular location at each monitoring object 4 place in this map data base
And mark, also have in described map data base each particular location of onsite alarming device 2 corresponding to monitoring terminal 1 and
Mark, so, when certain monitoring object 4 breaks down, this monitoring object 4, this monitoring terminal 1 belonging to monitoring object 4 with
And this onsite alarming device 2 belonging to monitoring terminal 1 can be called and show on a display screen, when positioned at long-distance monitorng device
After management personnel near 3 see that certain monitoring object 4 breaks down, this monitoring object 4 is not keeped in repair in long time
When personnel are keeped in repair, management personnel can send relative alarm with control process device 32 and instruct to the 3rd signal transmitting apparatus 31
To onsite alarming device 2, onsite alarming device 2 is made to carry out multiple warning.
Likewise, described 3rd display device 34 is LCD or LED LCDs, further, LCD or LED liquid
Crystal display screen has touch-input function.
Refer to Fig. 6, described processing meanss 32 include：
Calling module 321, for after the 3rd signal transmitting apparatus 31 receive fault-signal, invocation map data base；
Matching module 322, for carrying out mating looking into the mark of this fault-signal with all marks in map data base
Look for；
Described calling module 321 be additionally operable to match monitoring object 4, this corresponding monitoring terminal 1 of monitoring object 4 and
After this onsite alarming device 2 belonging to monitoring terminal 1, call monitoring object 4, this monitoring object 4 correspondence with this mark
Monitoring terminal 1 and this monitoring terminal 1 belonging to onsite alarming device 2 and shown by the 3rd display device 34, institute
State the 3rd display device 34 to be additionally operable to show the first monitoring signals and the second monitoring signals；
Described processing meanss 32 also include：Warning instruction sending module 323 for the first time, in the 3rd signal transmitting apparatus
31 receive and send warning instruction for the first time after fault-signal to the second acoustic-optic alarm 35；
Time logging modle 324, the time sending for record warning instruction for the first time；
Judge module 326, for carrying out according to the time sending the warning instruction of first time of record and current time
Join, and judge whether the time sending warning instruction for the first time exceedes preset value；
Second warning instruction sending module 327, for judging to obtain sending warning for the first time in described judge module 326
After the time of instruction exceedes described preset value, send second warning instruction to the second acoustic-optic alarm 35；
Described second acoustic-optic alarm 35, for according to first time warning instruction sending module 323 and second warning
Instruction sending module 327 carries out acousto-optic warning.
In the present embodiment, described first signal transmitting apparatus 18, secondary signal transmitting device 22, the 3rd signal transmission dress
Put 31 and all include sender unit and signal receiving device.
Embodiment of the present invention, carries out double knock by onsite alarming device 2, long-distance monitorng device 3 to monitoring object 4,
Play the effect of double insurance.While alarm device 2 sends warning at the scene, long-distance monitorng device 3 is also simultaneously emitted by warning,
Even if the warning that onsite alarming device 2 sends is not concerned about by maintainer, the management personnel near long-distance monitorng device 3 or
After maintainer is heard, similarly can notify the maintainer near onsite alarming device 2.The present invention can also pass through
Long-distance monitorng device 3 is implemented to report to the police again to onsite alarming device 2, that is, after certain monitoring object 4 reveals fault, very long
All do not keeped in repair in time period, long-distance monitorng device 3 just sends alarm command within a predetermined period of time to onsite alarming device
2, to realize the purpose repeatedly reported to the police.
These are only embodiments of the present invention, not thereby limit the scope of the claims of the present invention, every utilization present invention
Equivalent structure or equivalent flow conversion that description and accompanying drawing content are made, or directly or indirectly it is used in other related technology
Field, is included within the scope of the present invention.
Claims (9)
1. a kind of grounding device and equipotential link fault remote monitoring system, including：
For grounding device and its equipotential link fault are monitored at least one monitoring terminal, respectively with least one
Onsite alarming device and long-distance monitorng device that monitoring terminal communication connects, described long-distance monitorng device is also reported with described scene
Alarm device connects, and described monitoring terminal is used for multiple monitoring objects are monitored, and the fault-signal monitoring is sent to now
Field alarm device is warned, and is additionally operable to for the monitoring signals monitoring and fault-signal to be sent to long-distance monitorng device, described
Long-distance monitorng device is reported to the police according to the fault-signal receiving and is carried out monitor in real time according to the monitoring signals receiving
And display；Wherein：Described monitoring terminal includes housing and in housing：
Power module, for providing DC source for monitoring terminal；
Logic controller, is connected with power module, produces Monitoring instruction for every prescribed time period；
Power source generator, is connected with described logic controller, for receiving the Monitoring instruction that logic controller sends, and according to this
Monitoring instruction produces the sine-wave current of different frequency；
On-off circuit, is connected with described power source generator, for receiving the sine-wave current that described power source generator produces, and root
Open switch according to this sine-wave current；Described on-off circuit is connected with least one monitoring object also by protection circuit, is used for
After logic controller sends Monitoring instruction, on-off circuit is supervised to the current value and magnitude of voltage of different monitoring objects successively
Survey；
Described protection circuit walks overcurrent and over-voltage non-linear element using can divide；
Parameter acquisition devices, are connected with described on-off circuit, for being acquired to the current value of monitoring object and magnitude of voltage, and
The current value collecting and magnitude of voltage are sent to described logic controller；
Described logic controller, is also connected with described parameter acquisition devices, for receiving the current value of parameter acquisition devices transmission
And magnitude of voltage, and processed according to current value and magnitude of voltage, obtain the resistance value of monitoring object, monitoring is judged according to resistance value
Object whether there is fault, is passed this current value, magnitude of voltage, resistance value and fault-signal respectively by the first signal transmitting apparatus
Transport to onsite alarming device and long-distance monitorng device.
2. grounding device as claimed in claim 1 and equipotential link fault remote monitoring system are it is characterised in that described patrol
Collect controller to include：
Instruction sending module, every prescribed time period sends a Monitoring instruction to power source generator；
Parameter receiver module, for receiving current value and the magnitude of voltage of parameter acquisition devices transmission；
A/D modular converter, is connected with described parameter receiver module, for carrying out analog to the current value receiving and magnitude of voltage
Conversion；
Calculation process module, is connected with described A/D modular converter, for transporting to the current data after conversion and voltage data
Calculation is processed, and wherein, obtains resistance value by V/I；
Whether judge module, for judging to processing the resistance value that obtains, judge the resistance of monitoring object of this monitoring
Abnormal, to obtain whether monitoring object breaks down；
Coding module, is connected with A/D modular converter, calculation process module and judge module, for changing to A/D modular converter
Rear current value, magnitude of voltage and monitoring object is identified and encodes, to form the first monitoring signals；It is additionally operable to computing
The resistance value that processing module obtains and monitoring object are encoded, to form the second monitoring signals；It is additionally operable to sentence when judge module
After breaking to break down to this monitoring object, monitoring object and fault-signal are encoded, form fault letter in encoded
Number；
Described first signal transmitting apparatus, are connected with described coding module, for sending fault-signal to onsite alarming device
And long-distance monitorng device；It is additionally operable to send the first monitoring signals and the second monitoring signals to long-distance monitorng device.
3. grounding device as claimed in claim 2 and equipotential link fault remote monitoring system it is characterised in that：Described prison
The housing surveying terminal is provided with manually opened detection work or stops detection operating switch button, detection work is suspended
Pause button, power supply is carried out with the power switch button of on-off control, equal in any wall of described housing or multiple wall
Even offer multiple fin.
4. grounding device as claimed in claim 3 and equipotential link fault remote monitoring system it is characterised in that：Described prison
Survey terminal and also include the first display device of being connected with described logic controller, wherein, described first display device and described volume
Code module is connected, for showing this fault-signal.
5. grounding device as claimed in claim 3 and equipotential link fault remote monitoring system it is characterised in that：Described existing
Alarm device include housing, located at the secondary signal transmitting device in housing, the second display device of being embedded on housing with
And first acoustic-optic alarm；Described secondary signal transmitting device is used for being connected with the first signal transmitting apparatus communication, to receive
The fault-signal that first signal transmitting apparatus send, and this fault-signal is sent to the second display device and the first acousto-optic report
Alarm device；Described second display device is used for showing this fault-signal；Described first acoustic-optic alarm is used for according to this fault
Signal carries out acousto-optic warning.
6. grounding device as claimed in claim 4 and equipotential link fault remote monitoring system it is characterised in that：Described remote
Range monitoring device include the 3rd signal transmitting apparatus, processing meanss, storage device, the 3rd display device, input/output unit,
Two acoustic-optic alarms；
Described 3rd signal transmitting apparatus are connected with the first signal transmitting apparatus and the communication of secondary signal transmitting device, for receiving
Fault-signal, the first monitoring signals and the second monitoring signals that first signal transmitting apparatus send；Described storage device, is stored with
Map data base, is labeled with particular location and the mark at each monitoring object place in this map data base；
Described processing meanss include：
Calling module, for after the 3rd signal transmitting apparatus receive fault-signal, invocation map data base；
Matching module, for carrying out matched and searched by the mark of this fault-signal with all marks in map data base；
Described calling module is additionally operable to matching monitoring object, the corresponding monitoring terminal of this monitoring object and this monitoring terminal
After affiliated onsite alarming device, call have the monitoring object of this mark, the corresponding monitoring terminal of this monitoring object and
Onsite alarming device belonging to this monitoring terminal simultaneously carries out map location by the 3rd display device and shows；
Described 3rd display device is additionally operable to show the first monitoring signals and the second monitoring signals；
Warning instruction sending module for the first time, alert for the first time for sending after the 3rd signal transmitting apparatus receive fault-signal
Show instruction to the second acoustic-optic alarm；
Time logging modle, the time sending for record warning instruction for the first time；
Judge module, for being mated with current time according to the time sending the first time warning instruction of record, and is sentenced
Whether the disconnected time sending warning instruction for the first time exceedes preset value；
Second warning instruction sending module, for judging the time obtaining sending warning instruction for the first time in described judge module
After exceeding described preset value, send second warning instruction to acoustic-optic alarm；
Described second acoustic-optic alarm, for sending mould according to first time warning instruction sending module and second warning instruction
Block carries out acousto-optic warning.
7. grounding device as claimed in claim 1 and equipotential link fault remote monitoring system it is characterised in that：Described ginseng
Number harvester includes ammeter and voltmeter.
8. grounding device as claimed in claim 6 and equipotential link fault remote monitoring system it is characterised in that：Described
One display device, the second display device and/or the 3rd display device are to have touch-input function LED or LCD liquid crystal display
Screen.
9. grounding device as claimed in claim 8 and equipotential link fault remote monitoring system it is characterised in that：Described
One signal transmitting apparatus, secondary signal transmitting device, the 3rd signal transmitting apparatus all include：Sender unit and signal receive
Device.
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| CN201410566201.8A CN104267307B (en) | 2014-10-22 | 2014-10-22 | Remote grounding device and equipotential connection fault monitoring system |
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| CN108051692A (en) * | 2017-12-03 | 2018-05-18 | 国网江西省电力有限公司南昌供电分公司 | Electrical appliance enclosure ground fault detection locating alarm device |
| CN110703658A (en) * | 2019-10-28 | 2020-01-17 | 深圳供电局有限公司 | Virtual power plant remote monitoring system |
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