CN204347123U - For reducing the thunderbolt sense terminals that the transmission line of electricity of tripping rate with lightning strike is transformed - Google Patents
For reducing the thunderbolt sense terminals that the transmission line of electricity of tripping rate with lightning strike is transformed Download PDFInfo
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- CN204347123U CN204347123U CN201520009598.0U CN201520009598U CN204347123U CN 204347123 U CN204347123 U CN 204347123U CN 201520009598 U CN201520009598 U CN 201520009598U CN 204347123 U CN204347123 U CN 204347123U
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Abstract
The utility model discloses the thunderbolt sense terminals that a kind of transmission line of electricity for reducing tripping rate with lightning strike is transformed, comprise sun power electroplax, aerogenerator, accumulator, for control wind/light complementation controller that aerogenerator and sun power electroplax charge a battery, inverter, for indirect lightning strike and export the thunder-strike current sensor of thunder-strike current signal, AD converter, for the control module according to thunder-strike current signal statistics number of lightning strokes, communication module that the data of number of lightning strokes are sent; Aerogenerator, sun power electroplax are all connected with wind/light complementation controller, wind/light complementation controller, accumulator, inverter, control module connect successively, thunder-strike current sensor is connected to AD converter, and AD converter and communication module are connected to control module respectively.The utility model makes full use of wind energy, sun power accumulators carries out electric energy and supplements, and effectively ensure that the powered operation of the thunderbolt sense terminals that the transmission line of electricity for reducing tripping rate with lightning strike is transformed.
Description
Technical field
The utility model relates to power network monitoring field, more particularly, relates to the thunderbolt sense terminals that a kind of transmission line of electricity for reducing tripping rate with lightning strike is transformed.
Background technology
Time transmission line lightning stroke trip-out rate is high, power department needs the technological transformation carrying out transmission line of electricity to reduce tripping rate with lightning strike, because former technology can only trip condition in transformer station by the whole circuit of the technological means records such as failure wave-recording, which do not know to cause lightning stroke trip to be at shaft tower, bring very large blindness to retrofit work, also have no idea to assess the concrete effect reducing and bring after lightning stroke trip technological transformation completes.For this reason, need to transform targetedly electrical network, plan the work before the transformation of reduction lightning stroke trip by detecting the concrete shaft tower that thunderbolt occurs, namely which shaft tower is easily struck by lightning, and transforms targetedly.
The big current that thunderbolt should produce by qualified ground connection introduces the earth, after electrical network is put into operation, the thunder-strike current cannot introducing the earth in time when the multiple thunderbolt sense terminals be arranged on multiple shaft tower can be utilized to produce ground connection is defective detects, and then reach the object carrying out recording statistics to number of lightning strokes, according to the number of lightning strokes be recorded to, can judge that whether ground connection is qualified, and then determine to transform the need of to transmission line of electricity, and how to carry out electric network reconstruction to reduce tripping rate with lightning strike.
Because the probability that thunder and lightning occurs is natively little, so the time of statistics generally reaches 1 year or more, therefore sense terminals needs to run for a long time.Existing thunderbolt sense terminals is all pass through storage battery power supply, accumulator is finished to be needed to change or charging, because a lot, the widely distributed and many places of shaft tower quantity are in severe regional environment, The distance is far and the mountain is high, therefore the power supply of later stage to each thunderbolt sense terminals task of safeguarding is heavy and loaded down with trivial details, is not easy to the regular enforcement later stage to power the operations such as maintenance, renewal.Therefore the replacing attended operation of accumulator bothers very much, and accumulator is finished and often can not charges in time or change.
Utility model content
The technical problems to be solved in the utility model is, above-mentioned accumulator later maintenance task for prior art is heavy and loaded down with trivial details, accumulator is finished the defect often can not charged in time or change, and provides a kind of field wind energy and sun power of making full use of to carry out the thunderbolt sense terminals that the transmission line of electricity for reducing tripping rate with lightning strike that electric energy supplements transforms.
The utility model solves the technical scheme that its technical matters adopts: construct the thunderbolt sense terminals that a kind of transmission line of electricity for reducing tripping rate with lightning strike is transformed, be arranged on the shaft tower of transmission line of electricity, comprise sun power electroplax, aerogenerator, accumulator, for controlling described aerogenerator and sun power electroplax to the wind/light complementation controller of described charge in batteries, the direct current that accumulator exports is converted to the inverter of alternating current, the thunder-strike current sensor of thunder-strike current signal is exported for indirect lightning strike, for described thunder-strike current signal being carried out the AD converter of digital-to-analog conversion, for the control module according to described thunder-strike current signal statistics number of lightning strokes, for under the control of described control module by communication module that the data of number of lightning strokes wirelessly send,
Aerogenerator, sun power electroplax are all connected with wind/light complementation controller, wind/light complementation controller, accumulator, inverter, control module connect successively, described thunder-strike current sensor is connected to AD converter, and AD converter and communication module are connected to described control module respectively.
The thunderbolt sense terminals that transmission line of electricity for reducing tripping rate with lightning strike described in the utility model is transformed, wherein, described wind/light complementation controller comprises: three current-voltage sampling circuits be connected with aerogenerator, sun power electroplax and accumulator respectively; Connect two DC/DC transducers of aerogenerator and accumulator, sun power electroplax and accumulator respectively; And the single-chip microcomputer be connected with three current-voltage sampling circuits and two DC/DC transducers respectively.
The thunderbolt sense terminals that transmission line of electricity for reducing tripping rate with lightning strike described in the utility model is transformed, wherein, the model of described single-chip microcomputer is PIC16F877A.
The thunderbolt sense terminals that transmission line of electricity for reducing tripping rate with lightning strike described in the utility model is transformed, wherein, described inverter comprises dsp controller, DC/DC circuit, inverter circuit, AC power;
DC/DC circuit comprises energy storage inductor, has 1 device for power switching, fly-wheel diode, filter capacitor of anti-paralleled diode; Inverter circuit comprises 4 device for power switching, the filter inductances with anti-paralleled diode;
The control end of all device for power switching is connected to the corresponding pin of dsp controller respectively to receive pwm signal, the positive pole of accumulator is connected to the negative pole of described energy storage inductor one end and fly-wheel diode by a described device for power switching, between the other end that filter capacitor is connected to described energy storage inductor and the positive pole of fly-wheel diode, the positive pole of fly-wheel diode is connected to the negative pole through accumulator, 4 device for power switching form two upper arm and two underarms of bridge circuit respectively, described upper arm and described underarm are a brachium pontis, two brachium pontis are all in parallel with filter capacitor, AC power is connected after described filter inductance and is connected between two upper arm and two connected nodes of underarm.
The thunderbolt sense terminals that transmission line of electricity for reducing tripping rate with lightning strike described in the utility model is transformed, wherein, described communication module comprises LTE communication device, WIMAX communicator, TD-SCDMA communicator, WCDMA communicator, GPRS communicator, cdma communication device, EDGE communicator, CDMA-2000 communicator, gsm communication device, WIFI communicator, infrared communications set or Bluetooth communication device.
Implement the thunderbolt sense terminals that the transmission line of electricity for reducing tripping rate with lightning strike of the present utility model is transformed, there is following beneficial effect: the utility model makes full use of the natural environmental condition in field, utilize wind energy, sun power accumulators carries out electric energy and supplement, effectively ensure that the powered operation of the thunderbolt sense terminals that the transmission line of electricity for reducing tripping rate with lightning strike is transformed.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
The structural representation of Fig. 1 thunderbolt sense terminals that to be the utility model transform for reducing the transmission line of electricity of tripping rate with lightning strike;
Fig. 2 is the structural representation of wind/light complementation controller in Fig. 1;
Fig. 3 is the circuit diagram of inverter in Fig. 1.
Embodiment
In order to there be understanding clearly to technical characteristic of the present utility model, object and effect, now contrast accompanying drawing and describe embodiment of the present utility model in detail.
As shown in Figure 1, the thunderbolt sense terminals that transmission line of electricity for reducing tripping rate with lightning strike of the present utility model is transformed, be arranged on the shaft tower of transmission line of electricity, comprise sun power electroplax 11, aerogenerator 12, accumulator 14, for controlling the wind/light complementation controller 13 that described aerogenerator 12 and sun power electroplax 11 charge to described accumulator 14, the direct current that accumulator 14 exports is converted to the inverter 20 of alternating current, the thunder-strike current sensor 33 of thunder-strike current signal is exported for indirect lightning strike, for described thunder-strike current signal being carried out the AD converter 32 of digital-to-analog conversion, for the control module 31 according to described thunder-strike current signal statistics number of lightning strokes, for the communication module 34 under the control of described control module 31, the data of number of lightning strokes wirelessly sent,
Aerogenerator 12, sun power electroplax 11 are all connected with wind/light complementation controller 13, wind/light complementation controller 13, accumulator 14, inverter 20, control module 31 connect successively, described thunder-strike current sensor 33 is connected to AD converter 32, and AD converter 32 and communication module 34 are connected to described control module 31 respectively.
Wherein, control module 31 can adopt MCU or single-chip microcomputer etc.Mutual inductance CT chosen by thunder-strike current sensor 33, and it can the thunder-strike current signal that produces of indirect lightning strike, and is sent to AD converter 32 and carries out analog to digital conversion, and AD converter 32 is AD conversion chip, and this is prior art, repeats no more herein.Control module 31 judges that thunder-strike current signal exceedes threshold value, and the counter namely controlling its inside carries out counting thunder.
The realization of described communication module 34 does not limit, and can comprise LTE communication device, WIMAX communicator, TD-SCDMA communicator, WCDMA communicator, GPRS communicator, cdma communication device, EDGE communicator, CDMA-2000 communicator, gsm communication device, WIFI communicator, infrared communications set or Bluetooth communication device.Timely, the accuracy of data processing is ensure that by radio communication.
When thunder and lightning produces, if the ground connection of electrical network is defective, then big current when being struck by lightning can be detected by thunder-strike current sensor 33, and control module 31 records and adds up number of lightning strokes.Control module 31 can also control number of lightning strokes to send to data processing server to be used for analyzing by communication module 34.Data processing server can be mobile or fixing server, but because the data interaction of thunderbolt sense terminals and data processing server is disposable, so consider from reduction resource, preferred data processing server is the server of movement.Such as, after putting into operation 1 year, think that timing statistics is enough, staff can the mode of line walking, utilizes onboard system, carry notebook obtains the number of lightning strokes of each thunderbolt sense terminals along the line data as data processing server, if the number of lightning strokes be recorded to exceedes certain value, then can think that ground connection is herein defective, electric network reconstruction can be carried out according to number of lightning strokes, certainly for the electrical network after transformation, this sense terminals can be utilized equally to carry out the assessment of correctional effect.
That introduces that wind light mutual complementing of the present utility model powers below in detail realizes principle:
With reference to figure 2, described wind/light complementation controller 13 comprises: three current-voltage sampling circuits be connected with aerogenerator 12, sun power electroplax 11 and accumulator 14 respectively; Connect two DC/DC transducers of aerogenerator 12 and accumulator 14, sun power electroplax 11 and accumulator 14 respectively; And the single-chip microcomputer be connected with three current-voltage sampling circuits and two DC/DC transducers respectively.
Current-voltage sampling circuit can utilize sampling resistor to realize, and DC/DC transducer can adopt DC/DC chip to realize, such as mc34063, and in the present embodiment, the model of single-chip microcomputer is PIC16F877A.Power interface can be USB interface or power supply general-purpose interface etc., does not limit herein.
Voltage, the voltage of accumulator 14 and the charging current etc. of accumulator 14 that the voltage that single-chip microcomputer exports according to current-voltage sampling circuit acquisition sun power electroplax 11, aerogenerator 12 rectification export, two DC/DC transducers are controlled, and then realizes controlling the charging of accumulator 14.Wind, sunshine abundance condition under, the electric energy that both scene produce can be combined, be stored in accumulator 14, the complementation of both realizations, and can keep stable by the DC voltage of accumulator 14 regulation output.
With reference to figure 3, the direct current that accumulator 14 exports is converted to alternating current through inverter 20, and inverter 20 comprises DC in dsp controller, DC/DC circuit 201, inverter circuit 202, AC power AC, figure and represents the direct supply that accumulator 14 exports.
DC/DC circuit 201 comprises energy storage inductor L10, has 1 device for power switching Q10, sustained diode 60, the filter capacitor C of anti-paralleled diode; Inverter circuit 202 comprises 4 device for power switching Q20, Q30, Q40, the Q50 and filter inductance L20 with anti-paralleled diode, and device for power switching can be triode or metal-oxide-semiconductor, is the triode of NPN type in the present embodiment.
The base stage of all device for power switching is connected to the corresponding pin of dsp controller respectively to receive pwm signal, the positive pole of accumulator 14 is connected to the negative pole of described energy storage inductor L10 one end and sustained diode 60 by a described device for power switching, between the other end that filter capacitor C is connected to described energy storage inductor L10 and the positive pole of sustained diode 60, the positive pole of sustained diode 60 is connected to the negative pole through accumulator 14, 4 device for power switching form two upper arm and two underarms of bridge circuit respectively, described upper arm and described underarm are a brachium pontis, two brachium pontis are all in parallel with filter capacitor C, AC power is connected after described filter inductance L20 and is connected between two upper arm and two connected nodes of underarm.
By the dutycycle of control PWM1-PWM5, the switches switching frequency of device for power switching can be controlled.When Q10 conducting, direct supply DC passes through Q10, energy storage inductor L10 powers to follow-up inverter circuit 202, due to the self-induction of energy storage inductor L10, after Q10 connects, electric current increases slowly, namely export and can not reach supply voltage value at once, after certain hour, switch disconnects, due to the self-induction of energy storage inductor L10, in holding circuit, electric current is constant, electric current returns the positive pole flowing to sustained diode 60 from ground wire, return energy storage inductor L10 through sustained diode 60 and form loop, realize voltage stabilizing object, according to the dutycycle detecting the Control of Voltage PWM1 exported, can regulation output voltage magnitude, realize step-down or boosting.
Same, by control PWM2-PWM5, direct current can be realized to become alternating current.When Q20, Q50 conducting, when Q30, Q40 disconnect, AC is just, when Q20, Q50 disconnect, during Q30, Q40 conducting, AC is negative, changes two groups of switches switching frequency, can change output AC electricity frequency.
Implement the thunderbolt sense terminals that the transmission line of electricity for reducing tripping rate with lightning strike of the present utility model is transformed, the natural environmental condition in field can be made full use of, utilize wind energy, sun power accumulators carries out electric energy and supplement, effectively ensure that the powered operation of the thunderbolt sense terminals that the transmission line of electricity for reducing tripping rate with lightning strike is transformed.
By reference to the accompanying drawings embodiment of the present utility model is described above; but the utility model is not limited to above-mentioned embodiment; above-mentioned embodiment is only schematic; instead of it is restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; do not departing under the ambit that the utility model aim and claim protect, also can make a lot of form, these all belong within protection of the present utility model.
Claims (5)
1. the thunderbolt sense terminals transformed of the transmission line of electricity for reducing tripping rate with lightning strike, be arranged on the shaft tower of transmission line of electricity, it is characterized in that, comprise sun power electroplax (11), aerogenerator (12), accumulator (14), for controlling the wind/light complementation controller (13) that described aerogenerator (12) and sun power electroplax (11) charge to described accumulator (14), the direct current that accumulator (14) exports is converted to the inverter (20) of alternating current, the thunder-strike current sensor (33) of thunder-strike current signal is exported for indirect lightning strike, for described thunder-strike current signal being carried out the AD converter (32) of digital-to-analog conversion, for the control module (31) according to described thunder-strike current signal statistics number of lightning strokes, for the communication module (34) under the control of described control module (31), the data of number of lightning strokes wirelessly sent,
Aerogenerator (12), sun power electroplax (11) are all connected with wind/light complementation controller (13), wind/light complementation controller (13), accumulator (14), inverter (20), control module (31) connect successively, described thunder-strike current sensor (33) is connected to AD converter (32), and AD converter (32) and communication module (34) are connected to described control module (31) respectively.
2. the thunderbolt sense terminals transformed of the transmission line of electricity for reducing tripping rate with lightning strike according to claim 1, it is characterized in that, described wind/light complementation controller (13) comprising: three current-voltage sampling circuits be connected with aerogenerator (12), sun power electroplax (11) and accumulator (14) respectively; Connect two DC/DC transducers of aerogenerator (12) and accumulator (14), sun power electroplax (11) and accumulator (14) respectively; And the single-chip microcomputer be connected with three current-voltage sampling circuits and two DC/DC transducers respectively.
3. the thunderbolt sense terminals transformed of the transmission line of electricity for reducing tripping rate with lightning strike according to claim 2, it is characterized in that, the model of described single-chip microcomputer is PIC16F877A.
4. the thunderbolt sense terminals transformed of the transmission line of electricity for reducing tripping rate with lightning strike according to claim 1, it is characterized in that, described inverter (20) comprises dsp controller, DC/DC circuit (201), inverter circuit (202), AC power;
DC/DC circuit (201) comprises energy storage inductor (L10), has 1 device for power switching of anti-paralleled diode, fly-wheel diode (D60), filter capacitor (C); Inverter circuit (202) comprises 4 device for power switching, the filter inductance (L20) with anti-paralleled diode;
The control end of all device for power switching is connected to the corresponding pin of dsp controller respectively to receive pwm signal, the positive pole of accumulator (14) is connected to the negative pole of described energy storage inductor (L10) one end and fly-wheel diode (D60) by a described device for power switching, filter capacitor (C) is connected between the other end of described energy storage inductor (L10) and the positive pole of fly-wheel diode (D60), the positive pole of fly-wheel diode (D60) is connected to the negative pole through accumulator (14), 4 device for power switching form two upper arm and two underarms of bridge circuit respectively, described upper arm and described underarm are a brachium pontis, two brachium pontis are all in parallel with filter capacitor (C), AC power is connected after described filter inductance (L20) and is connected between two upper arm and two connected nodes of underarm.
5. the thunderbolt sense terminals transformed of the transmission line of electricity for reducing tripping rate with lightning strike according to claim 1, it is characterized in that, described communication module (34) comprises LTE communication device, WIMAX communicator, TD-SCDMA communicator, WCDMA communicator, GPRS communicator, cdma communication device, EDGE communicator, CDMA-2000 communicator, gsm communication device, WIFI communicator, infrared communications set or Bluetooth communication device.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107370966A (en) * | 2017-08-24 | 2017-11-21 | 珠海安联锐视科技股份有限公司 | A kind of intelligent infrared control circuit and its control method |
| CN110554286A (en) * | 2019-09-16 | 2019-12-10 | 桂林理工大学 | Voltage-adjustable insulation detection device |
-
2015
- 2015-01-07 CN CN201520009598.0U patent/CN204347123U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107370966A (en) * | 2017-08-24 | 2017-11-21 | 珠海安联锐视科技股份有限公司 | A kind of intelligent infrared control circuit and its control method |
| CN107370966B (en) * | 2017-08-24 | 2018-05-04 | 珠海安联锐视科技股份有限公司 | A kind of intelligent infrared control circuit and its control method |
| CN110554286A (en) * | 2019-09-16 | 2019-12-10 | 桂林理工大学 | Voltage-adjustable insulation detection device |
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