CN102611202A - Intelligent online waveform recording system of distributing line - Google Patents
Intelligent online waveform recording system of distributing line Download PDFInfo
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- CN102611202A CN102611202A CN2012100793589A CN201210079358A CN102611202A CN 102611202 A CN102611202 A CN 102611202A CN 2012100793589 A CN2012100793589 A CN 2012100793589A CN 201210079358 A CN201210079358 A CN 201210079358A CN 102611202 A CN102611202 A CN 102611202A
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Abstract
The invention discloses an intelligent online waveform recording system of a distributing line, which comprises three waveform collectors and a centralized processor. The three waveform collectors are respectively connected with three-phase current of the distributing line; the waveform collector comprises a current transformer, a signal processing circuit, a low-pass filter circuit, a first microprocessor and a first communication module; the first microprocessor is used for recording the present current change waveform according to current information when the first microprocessor judges that abrupt change of current of the distributing line happens according to the current information or timing is finished and sending current waveform information to the centralized processor through the first communication module; and the centralized processor performs centralized processing on the current waveform information of the three waveform collectors and obtains three-phase current information of the distributing line. By adopting the intelligent online waveform recording system, current waveform is accurately collected, abrupt change of current can be timely reported, and stable and reliable operation of the distributing line is guaranteed.
Description
Technical field
The present invention relates to technical field of power systems, relate in particular to a kind of distribution line intelligent online record wave system system.
Background technology
Distribution line record ripple detector is the important power equipment of the generation of automatic record electricity systematic failures, differentiation and normal operation situation.It is not merely accident analysis scientific evidence is provided, and is in time to find the power system device defective and the important tool that accumulates first-hand technical information data.
At present, the following shortcoming of wave recording device ubiquity of existing distribution line: can only detect record ripple distribution line bus current situation of change, can't detect concrete branch line current conditions; And, fail the electric current situation of change of distribution line is monitored in real time, when current break, fail in time to notify the user to carry out analyzing and processing.
Summary of the invention
In view of above-mentioned existing in prior technology problem, the invention provides a kind of distribution line intelligent online record wave system system, the current waveform collection is accurate, can in time report when current break takes place, and guarantees that the distribution line working stability is reliable.
In order to reach above-mentioned technique effect, the invention provides a kind of distribution line intelligent online record wave system system, comprising:
Comprise: three waveform acquisition devices with focus on device;
Said three waveform acquisition devices insert the three-phase current of distribution line respectively, and said waveform acquisition device comprises: current transformer, signal processing circuit, low-pass filter circuit, first microprocessor and first communication module;
Said current transformer is used to gather the current signal of distribution line, and said current signal is processed into little current signal;
Said signal processing circuit is used for said little current signal is processed into the AC signal of being with DC component;
Said low-pass filter circuit is used for detecting the current information of the AC signal of said band DC component, and said current information is sent to first microprocessor;
Said first microprocessor is used for when judging distribution line generation current break according to said current information, perhaps when regularly finishing, recording current electric current according to said current information and changing waveform, and current waveform information is sent to first communication module;
Said first communication module is used for said current waveform information is sent to and focuses on device;
The said device that focuses on comprises: the second communication module and second microprocessor;
Said second communication module; Be used to receive the current waveform information that said three waveform acquisition devices send; And when receiving the current waveform information of arbitrary waveform acquisition device transmission; Ask two other waveform acquisition device feedback current shape information, the current waveform information that receives is sent to second microprocessor;
Said second microprocessor is used for the current waveform information of said three waveform acquisition devices is focused on, and obtains the three-phase current information of distribution line.
The distribution line intelligent online record wave system system that the embodiment of the invention provides has following beneficial effect:
Current transformer, signal processing circuit, low-pass filter circuit, microprocessor through in the distribution line intelligent online record wave system system are gathered and are handled the three-phase current signal of distribution line; And the information that collects is analyzed through microprocessor; Can record the current current waveform information of distribution line, the current waveform collection is accurate.When current break takes place when, concentrate packing to handle to the current waveform information that collects, in time report distribution line Surveillance center to show with the wavy curve mode, reach the effect of Intelligent Measurement and analysis management, guarantee that the distribution line working stability is reliable.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, will do simple the introduction to the accompanying drawing of required use in embodiment or the description of the Prior Art below.Obviously, the accompanying drawing in describing below only is some embodiments of the present invention; For those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of first embodiment of distribution line intelligent online record wave system system provided by the invention;
Fig. 2 is the structural representation of an embodiment of waveform acquisition device provided by the invention;
Fig. 3 is the circuit diagram of an embodiment of signal processing circuit provided by the invention;
Fig. 4 is the circuit diagram of an embodiment of low-pass filter circuit provided by the invention;
Fig. 5 is the circuit diagram of an embodiment of first low-voltage testing circuit provided by the invention;
Fig. 6 is the circuit diagram of an embodiment of first clock circuit provided by the invention;
Fig. 7 is the structural representation that focuses on an embodiment of device provided by the invention;
Fig. 8 is the structural representation of second embodiment of distribution line intelligent online record wave system system provided by the invention;
Fig. 9 is the structural representation of an embodiment of Surveillance center provided by the invention.
Embodiment
To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention will be carried out clear, complete description.Obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, the every other embodiment that those of ordinary skills are obtained under the prerequisite of not making creative work belongs to the scope that the present invention protects.
are the structural representations of first embodiment of distribution line intelligent online record wave system system provided by the invention referring to Fig. 1.
Distribution line intelligent online that present embodiment provides record wave system turnkey is drawn together: three waveform acquisition devices 1 with focus on device 2.Three waveform acquisition devices are respectively: waveform acquisition device A, waveform acquisition device B, waveform acquisition device C, insert the three-phase current of distribution line respectively.
are the structural representations of an embodiment of waveform acquisition device provided by the invention referring to Fig. 2.
The waveform acquisition device that the embodiment of the invention provides comprises: current transformer 11, signal processing circuit 12, low-pass filter circuit 13, first microprocessor 14 and first communication module 15.Specific as follows:
Current transformer 11 is used to gather the current signal of distribution line, and current signal is processed into little current signal;
Signal processing circuit 12 is used for little current signal is processed into the AC signal of being with DC component;
Low-pass filter circuit 13 is used for detecting the current information of the AC signal of band DC component, and current information is sent to first microprocessor 14;
First microprocessor 14 is used for when judging distribution line generation current break according to current information, perhaps when regularly finishing, recording current electric current according to current information and changing waveform, and current waveform information is sent to first communication module 15;
First communication module 15 is used for current waveform information is sent to and focuses on device 2.
Wherein, current transformer 11, signal processing circuit 12, low-pass filter circuit 13, first microprocessor 14 and first communication module 15 are connected successively.
Optional, first microprocessor 14 adopts has 12 analog to digital converters (Analog-to-Digital Converter, ADC) microprocessor of sampling precision.Further, as shown in Figure 2, first microprocessor 14 specifically comprises:
Electric current judging unit 141 is used for judging whether the electric current of said current information changes, if change, then records current electric current according to said current information and changes waveform, and current waveform information is sent to first communication module 15;
Regularly judging unit 142 is used for the 3rd time clocking internal in timing setting in advance, when regularly finishing, records current electric current according to said current information and changes waveform, and current waveform information is sent to first communication module 15.Optional, the 3rd time was 1 hour, perhaps can freely set other values according to actual needs.
Further again, as shown in Figure 2, electric current judging unit 141 specifically comprises:
The first electric current judging unit 1411; Be used for judging whether the electric current of said current information reduces; When said electric current reduces and duration during for very first time of being provided with in advance; Judge said distribution line generation open fault, then record current electric current and change waveform, and current waveform information is sent to first communication module 15 according to said current information; Optional, the very first time is 2 seconds;
The second electric current judging unit 1412; Be used for increasing and duration during for second time of being provided with in advance when the electric current of said current information; Judge that whether said electric current is greater than the current value that is provided with in advance; When said electric current during, record current electric current according to said current information and change waveform, and current waveform information is sent to first communication module 15 greater than the current value that is provided with in advance.Optional, second time was 20 milliseconds, the current value that is provided with in advance is 5A.
Need to prove that the value of the very first time, second time and the 3rd time can freely be set according to actual needs.
In addition, as shown in Figure 2, the waveform acquisition device that the embodiment of the invention provides also comprises:
First power module 16 is used for to said waveform acquisition device 1 supply voltage being provided;
First low-voltage testing circuit 17 is used to detect the supply voltage of said waveform acquisition device 1, and testing result is sent to first microprocessor 14;
First clock circuit 18 is used for providing to first microprocessor 14 clock circuit of accurate clock signal.
Wherein, first low-voltage testing circuit 17 is connected with first power module 16, first microprocessor 14 respectively; First clock circuit 18 is connected with first microprocessor 14.
During practical implementation, current transformer 11 is used to gather the current signal of distribution line, and current signal is processed into little current signal, littler current signal is sent to signal processing circuit 12.Preferably; Current transformer 11 is made up of the current transformer with high magnetic property; Because the current ratio of the distribution line that collects is bigger, causes directly gathering big current signal, so must big current signal be processed into little current signal through current transformer 11; Make output amplitude and distribution line proportional in line current, output frequency equates with the online power frequency of distribution line.
are the circuit diagrams of an embodiment of signal processing circuit provided by the invention referring to Fig. 3.
Signal processing circuit 12 is used for little current signal is processed into the AC signal of band DC component, and is sent to low-pass filter circuit 13.Because the little current signal of current transformer 11 outputs is positive and negative AC signals that replace; First microprocessor 14 can't be gathered the negative current waveform signal, so need signal processing circuit 12 the positive and negative AC signal that replaces (being little current signal) to be processed into the AC signal of band DC component.
As shown in Figure 3, signal processing circuit 12 comprises binding post J1, Transient Suppression Diode D1, resistance R 1, resistance R 2, resistance R 3, resistance R 4, capacitor C 1, capacitor C 2, operational amplifier U1A and first power supply; Specific as follows:
The input of binding post J1 is connected with the output of current transformer; The output of binding post J1 is through Transient Suppression Diode D1 ground connection; The output of binding post J1 is through resistance R 4 ground connection, and the output of binding post J1 inserts the in-phase input end of operational amplifier U1A through capacitor C 2; One end of resistance R 1 is connected with the in-phase input end of operational amplifier U1A, and the other end of resistance R 1 is connected with first power supply, and the other end of resistance R 1 also passes through capacitor C 1 ground connection; The positive power source terminal of operational amplifier U1A is connected with first power supply; The negative power end ground connection of operational amplifier U1A; The in-phase input end of operational amplifier U1A is through resistance R 2 ground connection, and the inverting input of operational amplifier U1A is connected with the output of operational amplifier U1A through resistance R 3.
Optional, as shown in Figure 3, signal processing circuit 12 also comprises capacitor C 3, the output of binding post J1 is through capacitor C 3 ground connection.
In the middle of practical implementation, the little current signal of current transformer 11 outputs inserts from binding post J1, after capacitor C 2 couplings, inputs to operational amplifier U1A; Operational amplifier U1A had both improved input resistance on the complete basis of inhibit signal, reduce the load of current transformer 11; Reduced output resistance again; Increase the driving force of circuit, make input and output impedance phase coupling, improve the resolution capability of subsequent conditioning circuit signal; And transition inhibition diode D1 has played good protective action to the input of operational amplifier U1A, and the AC signal of band DC component after treatment is from output (the being 1 pin shown in Figure 3) output of operational amplifier U1A.
are the circuit diagrams of an embodiment of low-pass filter circuit provided by the invention referring to Fig. 4.
Low-pass filter circuit 13 is used for detecting the current information of the AC signal of being with DC component, and is sent to first microprocessor 14.As shown in Figure 4, low pass filter 13 comprises resistance R 5, resistance R 6, resistance R 7, resistance R 8, resistance R 9, resistance R 1, capacitor C 4, capacitor C 5, operational amplifier U2D, diode D2, diode D3 and second source; Specific as follows:
One end of resistance R 5 is connected with the output of operational amplifier U1A; The other end of resistance R 5 is connected with the output of operational amplifier U2D through capacitor C 5; The other end of resistance R 5 also is connected with an end of resistance R 6; The other end of resistance R 6 is connected with the in-phase input end of operational amplifier U2D, and the other end of resistance R 6 also passes through capacitor C 4 ground connection; The inverting input of operational amplifier U2D is through resistance R 7 ground connection; The inverting input of operational amplifier U2D is connected with the output of operational amplifier U2D through resistance R 8; The output of operational amplifier U2D is connected with an end of resistance R 9; The other end of resistance R 9 is through capacitor C 6 ground connection, and the other end of resistance R 9 also is connected with the anode of diode D2, the negative terminal of diode D3 and an end of resistance R 1 respectively, and the negative terminal of diode D2 connects second source; The positive ending grounding of diode D3, the other end of resistance R 1 is as the output of low-pass filter circuit.
Optional, as shown in Figure 4, low-pass filter circuit 13 also comprises capacitor C 6, the anode of diode D2 is through capacitor C 6 ground connection.
During practical implementation; The AC signal of band DC component inputs to the active second-order low-pass filter of being made up of amplifier from resistance R 5; Filter in the distribution line because the high fdrequency component that various load produced; Only the steady-state component of low frequency is handled, obtained the current information in the distribution line, be sent to then in the first microprocessor 14.
First microprocessor 14 comprises electric current judging unit 141 and timing judging unit 142.Optional, microprocessor 14 adopts has 12 analog to digital converters (Analog-to-Digital Converter, ADC) microprocessor of sampling precision.
are the circuit diagrams of an embodiment of first low-voltage testing circuit provided by the invention referring to Fig. 5.
First low-voltage testing circuit 17 comprises resistance R 11, resistance R 12, low pressure detection chip U3 and the 3rd power supply; Specific as follows:
One end of resistance R 11 is connected with the 3rd power supply, and the other end of resistance R 11 is connected with the input of low pressure detection chip U3, the common end grounding of low pressure detection chip U3, and the output of low pressure detection chip U3 is connected with an end of resistance R 12; The other end of resistance R 12 is connected with microprocessor as the output of low-voltage testing circuit.Present embodiment utilizes the level function of first microprocessor 14, utilizes low pressure detection chip U3 to detect low voltage level, and inputs to the level detection pin of first microprocessor 14, and first microprocessor 14 changes according to level judges whether low pressure of current power supply.
During practical implementation, above-mentioned first power supply, second source and the 3rd power supply can be provided by first power module 16.
are the circuit diagrams of an embodiment of first clock circuit provided by the invention referring to Fig. 6.
First clock circuit 18 is used for to first microprocessor 14 accurate clock signal being provided, and first clock circuit 118 comprises capacitor C 7, capacitor C 8 and crystal oscillator Y1; Specific as follows:
One end of capacitor C 7 is connected with the input of clock circuit, the other end ground connection of capacitor C 7; The end of crystal oscillator Y1 is connected with the input of clock circuit, and the other end of crystal oscillator Y1 is through capacitor C 8 ground connection, and the other end of crystal oscillator Y1 is also as the output of clock circuit.
Optional, first clock circuit 18 is the standard time clock circuit of being made up of a crystal oscillator, for first microprocessor 14 provides the 16M clock signal of a standard, has guaranteed the accuracy of data acquisition.
The waveform acquisition device that the embodiment of the invention provides; Current transformer, electric current judging unit, timing judging unit through in the distribution line intelligent online record wave system system are gathered and are handled the current signal of distribution line; And through first microprocessor the information that collects is analyzed, can record out distribution line current waveform information, and be sent to through first transport module and to focus on device and handle; Can in time notify the user to analyze; Reach the Intelligent Measurement effect, gather accurately, guarantee that the distribution line working stability is reliable.And, the advantages of small volume of this distribution line intelligent online record wave system system, easy for installation, be applicable to that all kinds of 10kv distribution lines gather the line current situation of change in real time.
are the structural representations that focuses on an embodiment of device provided by the invention referring to Fig. 7.
The device that focuses on that the embodiment of the invention provides comprises: the second communication module 21 and second microprocessor 22;
During practical implementation, when second communication module 21 receives the current waveform information that waveform acquisition device A sends, can ask waveform acquisition device B and waveform acquisition device C to feed back they self detected current current waveform information; When second communication module 21 receives the current waveform information that B sends, can ask waveform acquisition device A and waveform acquisition device C to feed back they self detected current current waveform information; When second communication module 21 receives the current waveform information that waveform acquisition device C sends, can ask waveform acquisition device A and waveform acquisition device B to feed back they self detected current current waveform information.
When arbitrary waveform acquisition device is judged distribution line generation current break, perhaps when regularly finishing, freeze the current current information that collects, record current electric current according to current information and change waveform, and be transferred to through the wireless communication module packing and focus on device 2.Focus on device 2 and order other two waveform acquisition devices that current current information is also freezed simultaneously simultaneously, packing is transferred to and focuses on device 2.Focus on the current data that 2 pairs of three waveform acquisition devices of device send and carry out preliminary treatment, comprise and calculate phase current effective value, phase place.Be specially: calculate the sudden change difference of phase currents and whether reach the sudden change requirement,, and require all the other two to freeze when identical if reach the current break requirement then freeze current electric current change information.Three-phase current information is carried out being reported to Surveillance center after the Synchronous Processing, just can carry out data analysis according to the three-phase current change information of passback and handle.
Further, as shown in Figure 7, the device that focuses on that the embodiment of the invention provides also comprises: second source module 23, second low-voltage testing circuit 24, pulse protection circuit 25 and second clock circuit 26.Specific as follows:
Second low-voltage testing circuit 24 is used for the supply voltage of detection set processor 2, and testing result is sent to second microprocessor 22; Concrete, second low-voltage testing circuit 24 can adopt the circuit structure of above-mentioned first low-voltage testing circuit 17, all detects current battery low pressure information with the low pressure detection chip, is used in time circulating a notice of the battery operating position.
are the structural representations of second embodiment of distribution line intelligent online record wave system system provided by the invention referring to Fig. 8.
Distribution line intelligent online that second embodiment provides record wave system system, except waveform acquisition device 1 with above-mentioned first embodiment with focus on the device 2, also comprise Surveillance center 3.
And as shown in Figure 7, focus on device 2 and also comprise: the first gsm communication module 27 is used for the three-phase current information translation of distribution line is become the note data bag, and is sent to Surveillance center 3.
Compare with first embodiment, the difference of second embodiment is: focus on after device 2 carries out Synchronous Processing with three-phase current information, packing is sent to Surveillance center 3.Surveillance center 3 can carry out data analysis and handle according to the three-phase current change information of passback.
are the structural representations of an embodiment of Surveillance center provided by the invention referring to Fig. 9.
The Surveillance center 3 that present embodiment provides comprises: communication switchboard 31 and application server 32; Specific as follows:
Wherein, the form that is provided with in advance of user is one or several combinations in messaging format, speech play form and the graphical format.
More concrete, as shown in Figure 9, communication switchboard 31 comprises:
The second gsm communication module 311 comprises main with gsm communication module 3111 and subsequent use gsm communication module 3112; Said master is used to receive said note data bag with gsm communication module 3111; Said subsequent use gsm communication module 3112 is used for main being in when busy with gsm communication module 3111 said, receives said note data bag;
The 3rd microprocessor 312 is used in real time switching main switch with gsm communication module 3111 and subsequent use gsm communication module 3112 according to current traffic size;
The 3rd clock circuit 313 is used for to the 3rd microprocessor 312 accurate clock signal being provided.
Wherein, the 3rd clock circuit 313 can adopt the circuit structure of above-mentioned first clock circuit 18.
As shown in Figure 9, application server 32 specifically comprises: unit 321 and statistic unit 322 are set.
In addition, the second gsm communication module 311 also is used for the said parameter that unit 321 settings are set is sent to the said device that focuses on;
The first gsm communication module 27 also is used to receive the parameter that the second gsm communication module 311 is sent, and the parameter of said waveform acquisition device is sent to said waveform acquisition device.
First communication module 15 also is used to receive the parameter of said waveform acquisition device;
Concrete; The form that the user is provided with in advance is one or several combinations in messaging format, speech play form and the graphical format; If need carry out short message prompt; System uses serial ports to connect communication switchboard, according to database data generate content comprise line name, waveform acquisition device infield, waveform acquisition device mutually number, three-phase current specifically changes the waveform note, then note sent to the related personnel through communication switchboard.If need carry out audio alert, then the opening voice playing function is broadcasted alarm voice by sound card.If need carry out graphical cues; The actual track current waveform that then on observation interface, shows distribution line changes; With the particular current wavy curve in the monitoring center software interface display; Interface display can arbitrarily show each phase current waveform information, and can change wave moulding thickness, color, display mode etc.
In sum; The distribution line intelligent online record wave system system that the embodiment of the invention provides; Through the current transformer in the waveform acquisition device, current detection module the current waveform signal of distribution line is gathered and handled; And through first microprocessor the information that collects is focused on, can obtain distribution line three-phase current Wave data, reach intelligence and catch detection effect.Simultaneously; Through focusing on the precalculated position coding of second microprocessor in the device, judge the more specific location information of circuit waveform data, and be sent to Surveillance center; Surveillance center carries out alarm prompt according to the form that the user is provided with in advance; For the timely analyzing and processing of user, data acquisition is accurate, guarantees that the distribution line working stability is reliable.
Above disclose be merely several kinds of preferred embodiments of the present invention, can not limit the present invention's interest field certainly with this.Therefore, the equivalent variations according to claim of the present invention is done still belongs to the scope that the present invention is contained.
Obviously, those skilled in the art can carry out various changes and modification and not break away from technical scope of the present invention and distribution line intelligent online record wave system system structure the present invention.Like this, if of the present invention these are revised and to be belonged to claim of the present invention and equivalent technologies scope thereof and distribution line intelligent online record wave system with modification and unite within the structure, then the present invention also is intended to comprise these changes and modification interior.
Claims (10)
1. distribution line intelligent online record wave system system is characterized in that, comprising: three waveform acquisition devices with focus on device;
Said three waveform acquisition devices insert the three-phase current of distribution line respectively, and said waveform acquisition device comprises: current transformer, signal processing circuit, low-pass filter circuit, first microprocessor and first communication module;
Said current transformer is used to gather the current signal of distribution line, and said current signal is processed into little current signal;
Said signal processing circuit is used for said little current signal is processed into the AC signal of being with DC component;
Said low-pass filter circuit is used for detecting the current information of the AC signal of said band DC component, and said current information is sent to first microprocessor;
Said first microprocessor is used for when judging distribution line generation current break according to said current information, perhaps when regularly finishing, recording current electric current according to said current information and changing waveform, and current waveform information is sent to first communication module;
Said first communication module is used for said current waveform information is sent to and focuses on device;
The said device that focuses on comprises: the second communication module and second microprocessor;
Said second communication module; Be used to receive the current waveform information that said three waveform acquisition devices send; And when receiving the current waveform information of arbitrary waveform acquisition device transmission; Ask two other waveform acquisition device feedback current shape information, the current waveform information that receives is sent to second microprocessor;
Said second microprocessor is used for the current waveform information of said three waveform acquisition devices is focused on, and obtains the three-phase current information of distribution line.
2. distribution line intelligent online record wave system system as claimed in claim 1 is characterized in that said first microprocessor comprises:
The electric current judging unit is used for judging whether the electric current of said current information changes, if change, then records current electric current according to said current information and changes waveform, and current waveform information is sent to first communication module;
Regularly judging unit is used for the 3rd time clocking internal in timing setting in advance, when regularly finishing, records current electric current according to said current information and changes waveform, and current waveform information is sent to first communication module.
3. distribution line intelligent online record wave system system as claimed in claim 2 is characterized in that said electric current judging unit comprises:
The first electric current judging unit; Be used for judging whether the electric current of said current information reduces; When said electric current reduces and duration during for very first time of being provided with in advance; Judge said distribution line generation open fault, then record current electric current and change waveform, and current waveform information is sent to first communication module according to said current information;
The second electric current judging unit; Be used for increasing and duration during for second time of being provided with in advance when the electric current of said current information; Judge that whether said electric current is greater than the current value that is provided with in advance; When said electric current during, record current electric current according to said current information and change waveform, and current waveform information is sent to first communication module greater than the current value that is provided with in advance.
4. distribution line intelligent online record wave system system as claimed in claim 3 is characterized in that said waveform acquisition device also comprises:
First power module is used for to said waveform acquisition device supply voltage being provided;
First low-voltage testing circuit is used to detect the supply voltage of said waveform acquisition device, and testing result is sent to said first microprocessor;
First clock circuit is used for providing to said first microprocessor the clock circuit of accurate clock signal.
5. distribution line intelligent online record wave system system as claimed in claim 1 is characterized in that the said device that focuses on also comprises:
The second source module is used for to the said device that focuses on supply voltage being provided;
Second low-voltage testing circuit is used to detect the said supply voltage that focuses on device, and testing result is sent to said second microprocessor;
Pulse protection circuit is connected with the said antenna end that focuses on device, is used to filter lightning strike signals and high-voltage signal;
The second clock circuit is used for providing to said second microprocessor clock circuit of accurate clock signal.
6. like each described distribution line intelligent online record wave system system of claim 1 ~ 5, it is characterized in that said system also comprises Surveillance center;
The said device that focuses on also comprises: the first gsm communication module is used for the three-phase current information translation of distribution line is become the note data bag, and is sent to Surveillance center;
Said Surveillance center is used to receive said note data bag, and carries out alarm prompt according to the form that the user is provided with in advance.
7. distribution line intelligent online record wave system system as claimed in claim 6 is characterized in that said Surveillance center comprises: communication switchboard and application server;
Said communication switchboard is used to resolve said note data bag, obtains the three-phase current information of distribution line, and said three-phase current information is sent to application server;
Said application server is connected with said communication switchboard through RS232 interface and/or USB interface, is used for according to said three-phase current information actual distribution line being carried out analysis management, and carries out alarm prompt according to the form that the user is provided with in advance.
8. distribution line intelligent online record wave system system as claimed in claim 7 is characterized in that said communication switchboard comprises:
The second gsm communication module comprises main with gsm communication module and subsequent use gsm communication module; Said master is used to receive said note data bag with the gsm communication module; Said subsequent use gsm communication module is used for main being in when busy with the gsm communication module said, receives said note data bag;
The 3rd microprocessor is used in real time switching the said switch of leading with gsm communication module and subsequent use gsm communication module according to current traffic size;
The 3rd clock circuit is used for to said the 3rd microprocessor accurate clock signal being provided.
9. distribution line intelligent online record wave system system as claimed in claim 7 is characterized in that said application server comprises: unit and statistic unit are set:
The said unit that is provided with is used to be provided with the said parameter of device and the parameter of said waveform acquisition device of focusing on;
The said second gsm communication module also is used for the said parameter that the unit setting is set is sent to the said device that focuses on;
The said first gsm communication module also is used to receive the parameter that the said second gsm communication module is sent, and the parameter of said waveform acquisition device is sent to said waveform acquisition device;
Said first communication module also is used to receive the parameter of said waveform acquisition device;
Said statistic unit is used to add up the historical electric current change curve of said distribution line, and shows with the form of form form and/or pictorial statement.
10. distribution line intelligent online record wave system system as claimed in claim 7 is characterized in that the form that said user is provided with in advance is one or several combinations in messaging format, speech play form and the graphical format.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107222280A (en) * | 2017-05-24 | 2017-09-29 | 云南电力试验研究院(集团)有限公司 | A kind of method that time synchronized is realized to different time scales fault recording system |
| CN112305458A (en) * | 2020-12-30 | 2021-02-02 | 南京斯泰恩智慧能源技术有限公司 | Wave recording type platform area residual current detection terminal and early warning system |
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| CN102611202B (en) | 2014-11-26 |
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