CN207882377U - A kind of line-failure indicator - Google Patents
A kind of line-failure indicator Download PDFInfo
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- CN207882377U CN207882377U CN201820102406.4U CN201820102406U CN207882377U CN 207882377 U CN207882377 U CN 207882377U CN 201820102406 U CN201820102406 U CN 201820102406U CN 207882377 U CN207882377 U CN 207882377U
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Abstract
The utility model provides a kind of line-failure indicator, including shell, route survey portion, central processing unit, and alarm is provided on shell；Route survey portion is connect with power circuit, central processing unit respectively, the parameters of electric power for acquiring power circuit；Fault detector further includes：Electric arc detecting device, for detecting the arc fault on power circuit；Authentication module, for being verified to arc fault；Power module, memory module.The utility model is by being arranged electric arc detecting device; arc fault on power circuit is detected; it realizes and early warning is measured in real time to the arc fault that may be generated at any time on power circuit; and when arc fault occurs for judgement; fault detector carries out fault alarm or corresponding route protection in time so that power department can in time be handled arc fault；In addition, by the way that authentication module is arranged, arc fault is verified, accuracy of the fault detector to arc fault detection is improved.
Description
Technical field
The utility model is related to line fault detection device technical field, more particularly to a kind of line-failure indicator.
Background technology
Fault detector is that one kind being used for overhead transmission line, power circuit, for detecting and identifying whether power circuit is former
The equipment of barrier.When the failures such as short circuit, ground connection occur for power circuit, electric power line fault indicator passes through detection and failure judgement
State, determines fault section, branch and fault point, and in order to line walking, staff performs overhauling and maintenance.However power circuit
Situations such as being often disposed in open air, being susceptible to damaged circuit or circuit attachment dirt in use, leads to electric power
Electric arc is generated on circuit；After arc fault generation, immediately or after a while power circuit may be caused to damage
It is bad, be unfavorable for ensuring that power circuit normally operation and uses, and it is serious when can lead to the generation of fire, give the life of people
And property safety threatens.
About electric fault indicator in the prior art, with application No. is the patent applications of CN201710284492.5
For, it discloses a kind of intelligent trouble indicators, including：The fault detector ontology of shell and enclosure interior；Failure refers to
Show that device ontology includes master controller, power module, data collector, alarm, wireless communication module and locating module；Main control
Device is communicated for module by radio communication with monitoring host computer, and the parameters of electric power that data collector acquires is sent to monitoring
Host, and parameters of electric power is judged whether within the scope of pre-set normality threshold, send alarm letter to monitoring host computer
Breath and current location information.And this application not can relate to that the arc fault generated on power circuit is detected and is reported
It warns, effectively early warning cannot be carried out to arc fault, be unfavorable for electric arc of the power department to possibility generation at any time in power circuit
Failure carries out timely processing.
Utility model content
In view of this, the utility model is directed to a kind of line-failure indicator, to solve circuit event in the prior art
The problem of barrier indicator effectively cannot be detected early warning to the arc fault generated on power circuit, it is ensured that power department pair
The arc fault that may occur at any time in power circuit being capable of timely processing.
In order to achieve the above objectives, the technical solution of the utility model is realized in：
A kind of line-failure indicator, including shell, route survey portion, central processing unit, the shell have cavity knot
Structure provides accommodation space for route survey portion, central processing unit, alarm is provided on the shell, the alarm is in
Central processor connects, for alarming line fault；The route survey portion connects with power circuit, central processing unit respectively
It connects, the parameters of electric power for acquiring power circuit, and the parameters of electric power is transmitted to central processing unit；Wherein, the electric power
Parameter includes the current value of power circuit and the voltage-to-ground of power circuit；The fault detector further includes：
Electric arc detecting device is connect with central processing unit, for detecting the arc fault on power circuit；
Authentication module is connect with power circuit, central processing unit respectively, for obtaining current or voltage signal, to electric arc
Failure is verified；
Power module, is independent for electric installation, and electric power support is provided for the associated components to fault detector；
Memory module is connect with central processing unit, for storage and transmission data.
Further, the electric arc detecting device includes：
ISM band reader is ISM meshed wireless electric installations, has the semiotic function in detection ISM communication bands；
RSSI value processor is connect with ISM band reader, central processing unit respectively, for handling in ISM communication bands
The RSSI value of signal, and RSSI value is transmitted to central processing unit.
Further, the authentication module includes：
Current sensor is connect with power circuit, for detecting voltage or current signal in power circuit；
Signal amplifier is connect with current sensor, for voltage or current signal to be carried out transformation amplification；
Filter is connect with signal amplifier, central processing unit respectively.
Further, the route survey portion includes：
Short-circuit sensor is connect with power circuit, central processing unit respectively, for acquiring the load in the power circuit
Current value, and the load current value is sent to central processing unit；
Grounding sensor is connect with power circuit, central processing unit respectively, for acquiring the zero sequence in the power circuit
Current value, and the zero-sequence current value is sent to central processing unit；
Voltage detector is connect with power circuit, central processing unit respectively, for detecting in the power circuit over the ground
Voltage value, and the voltage-to-ground value is sent to central processing unit.
Further, the alarm includes buzzer and malfunction indicator lamp；The buzzer and malfunction indicator lamp quilt
Setting is connect on shell, and with central processing unit.
Further, the power module is dual power supply module, including accumulator and solar panel.
Further, the fault detector further includes communication module, is connect with central processing unit；The communication module with
The management terminal of power department is connected by communication network, is used for the transmission of data information.
Further, the communication module and the network connection by radio communication of the management terminal of power department, the nothing
Line communication network include 3G network, 4G networks, Wi-Fi (802.11) network, Wi-Max (802.16) network, Bluetooth communication,
Any of ZigBee-network, frequency hopping spread spectrum (FHSS) radio net.
Further, the memory module includes the storage medium of at least one of following storage media types type：
Flash-type, hard disk type, solid magnetic disc (SSD) type, silicon disk driver (SDD) type, multimedia card be miniature, card-type memory (SD
Or XD type of memory), random access memory (RAM) type, static RAM (SRAM) type, read-only memory
(ROM) type, electrically erasable programmable read-only memory (EEPROM) type, programmable read only memory (PROM) type, magnetic memory
Type, magnetic disc type and optical disc type.
Compared with the existing technology, a kind of line-failure indicator described in the utility model is filled by the way that arc-detection is arranged
Set, the arc fault on power circuit be detected, realize arc fault to that may be generated at any time on power circuit into
Row detection early warning in real time, and when arc fault occurs for judgement, fault detector carries out fault alarm or corresponding circuit in time
Protection so that power department can in time be handled arc fault；In addition, by the way that authentication module is arranged, to arc fault
It is verified, improves accuracy of the fault detector to arc fault detection.
Description of the drawings
The attached drawing for constituting the part of the utility model is used to provide a further understanding of the present invention, this practicality is new
The illustrative embodiments and their description of type are not constituted improper limits to the present invention for explaining the utility model.
In attached drawing：
Fig. 1 is a kind of structural schematic diagram of line-failure indicator described in the utility model embodiment；
Fig. 2 is a kind of another structural schematic diagram of line-failure indicator described in the utility model embodiment.
Specific implementation mode
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
It is the purpose only merely for description specific embodiment in the term that the utility model uses, is not intended to be limiting this reality
With novel.In the "an" of the utility model and singulative used in the attached claims, " described " and "the"
It is intended to include most forms, unless context clearly shows that other meanings.It is also understood that term used herein " and/
Or " refer to and include one or more associated list items purposes any or all may combine.
It will be appreciated that though various information may be described using term first, second, third, etc. in the utility model,
But these information should not necessarily be limited by these terms.These terms are only used for same type of information being distinguished from each other out.For example, not
In the case of being detached from the scope of the utility model, the first information can also be referred to as the second information, and similarly, the second information can also
It is referred to as the first information.Depending on context, word as used in this " if " can be construed to " ... when " or
" when ... " or " in response to determination ".
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
Embodiment 1
As shown in Fig. 1, a kind of line-failure indicator, including shell, route survey portion, central processing unit, the shell
Body has cavity structure, provides accommodation space for route survey portion, central processing unit, alarm, institute are provided on the shell
It states alarm to connect with central processing unit, for alarming to line fault；The route survey portion respectively with power circuit,
Central processing unit connects, the parameters of electric power for acquiring power circuit, and the parameters of electric power is transmitted to central processing unit；Its
In, the parameters of electric power includes the current value of power circuit and the voltage-to-ground of power circuit；
The fault detector further includes：
Electric arc detecting device is connect with central processing unit, for detecting the arc fault on power circuit；
Authentication module is connect with power circuit, central processing unit respectively, for obtaining current or voltage signal, to electric arc
Failure is verified；
Power module, is independent for electric installation, and electric power support is provided for the associated components to fault detector；
Memory module is connect with central processing unit, for storage and transmission data.
In the present embodiment, fault detector by the current value of route survey portion power circuit, power circuit over the ground
The parameters of electric power such as voltage are acquired；After central processing unit carries out analyzing processing to parameters of electric power, judges and identify power circuit
Whether the failures such as short circuit or ground connection are occurred, and when judgement is broken down, control alarm carries out fault alarm.
Further, since power circuit is susceptible to situations such as damaged circuit or circuit attachment dirt in use,
Cause to generate arc fault on power circuit, therefore in the present embodiment, be filled by the way that arc-detection is arranged in fault detector
Set, the arc fault on power circuit be detected, realize arc fault to that may be generated at any time on power circuit into
Row detection early warning in real time, and when arc fault occurs for judgement, fault detector carries out fault alarm or corresponding circuit in time
Protection so that power department can in time be handled arc fault.
Meanwhile in order to ensure fault detector can more precisely judge whether that arc fault, fault detector occurs
In also set up authentication module, when electric arc detecting device detect on power circuit generate arc fault after, fault detector passes through
Authentication module obtains the current or voltage signal on power circuit, and by current or voltage signal analysis and processing, to electric arc
Failure is verified whether generation；If it is determined that arc fault be necessary being, then fault detector carry out immediately fault alarm or
Corresponding route protection.
Correspondingly, in the present embodiment, fault detector is first detected arc fault by electric arc detecting device,
When detecting arc fault, fault detector can directly carry out fault alarm or corresponding route protection；Or by testing
After card module verifies arc fault, after determining arc fault necessary being, fault alarm or corresponding line are being carried out
It protects on road.
Embodiment 2
As shown in attached drawing 1-2, in order to be further described fault detect of the fault detector on power circuit, in reality
On the basis of applying example 1, the present embodiment is described further the associated components in fault detector.
The route survey portion includes：
Short-circuit sensor is connect with power circuit, central processing unit respectively, for acquiring the load in the power circuit
Current value, and the load current value is sent to central processing unit；Grounding sensor, respectively with power circuit, central processing
Device connects, and central processing unit is sent to for acquiring the zero-sequence current value in the power circuit, and by the zero-sequence current value；
Voltage detector is connect with power circuit, central processing unit respectively, for detecting the voltage-to-ground value in the power circuit,
And the voltage-to-ground value is sent to central processing unit.Central processing unit passes through the load current that is obtained to route survey portion
Value, zero-sequence current value, voltage-to-ground value carry out analyzing processing, such as judge whether load current value is mutated, and its numerical value
Whether size exceeds nominal threshold value, if load current value meets above-mentioned condition, central processing unit controls alarm and carries out failure
Alarm.
Electric arc detecting device includes：
ISM band reader is ISM meshed wireless electric installations, has the semiotic function in detection ISM communication bands；
RSSI value processor is connect with ISM band reader, central processing unit respectively, for handling signal in ISM communication bands
RSSI value, and RSSI value is transmitted to central processing unit.
The electric arc generated when in general, arc fault occurs in circuit can not only generate spectral signal, but also in ISM frequency spectrums
In, corresponding electric wave signal especially can be also generated at the frequency range of ISM 900Mhz, therefore when detecting arc fault, Ke Yitong
Cross ISM band reader receive corresponding position near electric wave signal, then RSSI value processor can be to electric wave signal at
Reason generates the RSSI value at ISM 900Mhz frequency ranges.
The present embodiment is detected the arc phenomenon that may occur in circuit by electric arc detecting device, and will detect
RSSI value be sent to central processing unit, RSSI value and RSSI preset values are compared by central processing unit, if RSSI value is more than
RSSI preset values illustrate occur arc phenomenon in circuit, and fault detector controls alarm and carries out fault alarm.
Specifically, the preferred embodiment as the utility model, the alarm includes buzzer and malfunction indicator lamp；It is described
Buzzer and malfunction indicator lamp are arranged on shell, and are connect with central processing unit；Pass through centre in fault detector
Manage device control alarm carry out fault alarm when, alarm can be simultaneously emitted by auditory tone cues and flashing light prompt, facilitate daytime and
It searches the fault point at night.
Embodiment 3
In order to improve accuracy of the fault detector to arc fault detection, as shown in attached drawing 1-2, in embodiment 1, implement
On the basis of example 2, authentication module is additionally provided in fault detector, the authentication module includes：
Current sensor is connect with power circuit, for detecting voltage or current signal in power circuit；
Signal amplifier is connect with current sensor, for voltage or current signal to be carried out transformation amplification；
Filter is connect with signal amplifier, central processing unit respectively, is carried out to the waveform of voltage or current signal
Filter.
Since in the power circuit for transporting alternating current, when arc fault occurs, electric arc can be in an ac period
Interior generation extinguishes twice-process of arcing again, this to contain a large amount of high frequency noise in current waveform, and simultaneously so that electricity
Corrugating levels off to rectangle.Therefore, voltage or current signal are detected by current sensor, signal amplifier is by voltage or electric current
After signal amplification, after filtered device is filtered waveform, if detecting, there are still a large amount of high frequency noises in current signal, and
Voltage waveform approximation and rectangle, it can be said that the generation of bright arc fault.
On the basis of embodiment 2, when central processing unit is by the way that RSSI value to be compared with RSSI preset values, and judge
As a result it is after RSSI value is more than RSSI preset values, central processing unit obtains corresponding current/voltage signal by authentication module, sentences
Whether power-off stream/voltage signal meets predetermined current/voltage conditions, if satisfied, then illustrating the generation of arc fault, central processing
Device controls alarm and carries out fault alarm；If not satisfied, then illustrating that arc fault does not occur, electric arc detecting device continues phase
The arc-detection process answered.
In addition, it is contemplated that power circuit is widely distributed, configuration is complicated, in order to keep fault detector steady for a long time
Fixed operation, the power module in fault detector are dual power supply module, including accumulator and solar panel, while
Electricity optimization management module can also be set in power module, central processing unit is enable to control accumulator and solar panel
Between carry out intelligent switching, reduce the charge and discharge number of accumulator, avoid working at high operating temperatures, to extend making for accumulator
Use the service life.
Meanwhile in order to ensure the fault alarm that power department can obtain fault detector in time, and in time to circuit event
Barrier is handled, and the working strength of track walker is reduced, and the fault detector further includes communication module, is connected with central processing unit
It connects；The communication module and the management terminal of power department are connected by communication network, are used for the transmission of data information；
The management terminal at least has communication function, and corresponding management terminal, communication module are arranged in power department
It is connect by communication network between management terminal, when fault detector detects line fault, can not only be sent out in failure
It is alarmed by alarm at raw, and central processing unit can be sent by communication network to the management terminal of power department
The location information of corresponding warning message and the fault detector, to enable power department to know line fault in time
Generation and failure spot, be conducive to the maintenance or the emergency repair time that shorten power department, reduce corresponding loss.
Wherein, preferably, the communication module and the network connection by radio communication of the management terminal of power department, institute
It includes that 3G network, 4G networks, Wi-Fi (802.11) network, Wi-Max (802.16) network, bluetooth are logical to state cordless communication network
Any of letter, ZigBee-network, frequency hopping spread spectrum (FHSS) radio net.
In the present invention, the memory module of fault detector is at least stored with the nominal threshold value of load current value, zero
The nominal threshold value of sequence current value, the nominal threshold value of voltage-to-ground value, RSSI preset values, predetermined current/information of voltage, position letter
The relevant information of the fault detectors such as breath, warning message.
The memory module includes the storage medium of at least one of following storage media types type：It is flash-type, hard
Dish-type, solid magnetic disc (SSD) type, silicon disk driver (SDD) type, multimedia card be miniature, card-type memory (SD or XD memories
Type), random access memory (RAM) type, static RAM (SRAM) type, read-only memory (ROM) type, electricity can
Erasable programmable read-only memory (EPROM) (EEPROM) type, programmable read only memory (PROM) type, magnetic storage type, magnetic disc type and
Optical disc type.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection domain within.
Claims (9)
1. a kind of line-failure indicator, including shell, route survey portion, central processing unit, the shell has cavity structure,
Accommodation space is provided for route survey portion, central processing unit, alarm, the alarm and centre are provided on the shell
Device connection is managed, for alarming line fault；The route survey portion is connect with power circuit, central processing unit respectively,
Parameters of electric power for acquiring power circuit, and the parameters of electric power is transmitted to central processing unit；Wherein, the parameters of electric power
The voltage-to-ground of current value and power circuit including power circuit；It is characterized in that, the fault detector further includes：
Electric arc detecting device is connect with central processing unit, for detecting the arc fault on power circuit；
Authentication module is connect with power circuit, central processing unit respectively, for obtaining current or voltage signal, to arc fault
It is verified；
Power module, is independent for electric installation, and electric power support is provided for the associated components to fault detector；
Memory module is connect with central processing unit.
2. a kind of line-failure indicator as described in claim 1, which is characterized in that the electric arc detecting device includes：
ISM band reader is ISM meshed wireless electric installations, has the semiotic function in detection ISM communication bands；
RSSI value processor is connect with ISM band reader, central processing unit respectively, for handling signal in ISM communication bands
RSSI value, and RSSI value is transmitted to central processing unit.
3. a kind of line-failure indicator as described in claim 1, which is characterized in that the authentication module includes：
Current sensor is connect with power circuit, for detecting voltage or current signal in power circuit；
Signal amplifier is connect with current sensor, for voltage or current signal to be carried out transformation amplification；
Filter is connect with signal amplifier, central processing unit respectively.
4. a kind of line-failure indicator as described in claim 1, which is characterized in that the route survey portion includes：
Short-circuit sensor is connect with power circuit, central processing unit respectively, for acquiring the load current in the power circuit
Value, and the load current value is sent to central processing unit；
Grounding sensor is connect with power circuit, central processing unit respectively, for acquiring the zero-sequence current in the power circuit
Value, and the zero-sequence current value is sent to central processing unit；
Voltage detector is connect with power circuit, central processing unit respectively, for detecting the voltage-to-ground in the power circuit
Value, and the voltage-to-ground value is sent to central processing unit.
5. a kind of line-failure indicator as described in claim 1, which is characterized in that the alarm includes buzzer and event
Hinder indicator light；The buzzer and malfunction indicator lamp are arranged on shell, and are connect with central processing unit.
6. a kind of line-failure indicator as described in claim 1, which is characterized in that the power module is dual power supply
Module, including accumulator and solar panel.
7. a kind of line-failure indicator as described in claim 1, which is characterized in that the fault detector further includes communication
Module is connect with central processing unit；The communication module and the management terminal of power department are connected by communication network, for counting
It is believed that the transmission of breath.
8. a kind of line-failure indicator as claimed in claim 7, which is characterized in that the communication module and power department
Management terminal network connection by radio communication, the cordless communication network include 3G network, 4G networks, Wi-Fi network, Wi-
Any of Max networks, Bluetooth communication, ZigBee-network, frequency hopping spread spectrum (FHSS) radio net.
9. a kind of line-failure indicator as described in claim 1, which is characterized in that the memory module includes following storage
The storage medium of at least one of media type type：Flash-type, hard disk type, solid magnetic disc (SSD) type, silicon disk driver
(SDD) type, multimedia card be miniature, card-type memory, random access memory (RAM) type, static RAM
(SRAM) type, read-only memory (ROM) type, electrically erasable programmable read-only memory (EEPROM) type, programmable read-only storage
Device (PROM) type, magnetic storage type, magnetic disc type and optical disc type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820102406.4U CN207882377U (en) | 2018-01-22 | 2018-01-22 | A kind of line-failure indicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820102406.4U CN207882377U (en) | 2018-01-22 | 2018-01-22 | A kind of line-failure indicator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207882377U true CN207882377U (en) | 2018-09-18 |
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ID=63507812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820102406.4U Active CN207882377U (en) | 2018-01-22 | 2018-01-22 | A kind of line-failure indicator |
Country Status (1)
| Country | Link |
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| CN (1) | CN207882377U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109917704A (en) * | 2019-02-25 | 2019-06-21 | 湖南长高思瑞自动化有限公司 | Fault detector acquisition unit and control method based on STM32L433 low power consumption control device |
| CN111953297A (en) * | 2019-05-17 | 2020-11-17 | 汉能移动能源控股集团有限公司 | Arc fault detection positioning device and system |
-
2018
- 2018-01-22 CN CN201820102406.4U patent/CN207882377U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109917704A (en) * | 2019-02-25 | 2019-06-21 | 湖南长高思瑞自动化有限公司 | Fault detector acquisition unit and control method based on STM32L433 low power consumption control device |
| CN111953297A (en) * | 2019-05-17 | 2020-11-17 | 汉能移动能源控股集团有限公司 | Arc fault detection positioning device and system |
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