CN203660527U - Lightning protection device for vehicles - Google Patents
Lightning protection device for vehicles Download PDFInfo
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- CN203660527U CN203660527U CN201320816405.3U CN201320816405U CN203660527U CN 203660527 U CN203660527 U CN 203660527U CN 201320816405 U CN201320816405 U CN 201320816405U CN 203660527 U CN203660527 U CN 203660527U
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Abstract
The utility model discloses a lightning protection device for vehicles, which is characterized by comprising an arrester and a fluid conductive medium grounding unit. The grounding metallic conductor of the arrester is electrically connected with the sprinkler of the fluid conductive medium grounding unit, or the grounding metallic conductor of the arrester is electrically connected with a grounding connection conductor in the conductive medium sprinkling coverage space of the fluid conductive medium grounding unit. The fluid conductive medium grounding unit comprises a lightning signal detection module and a conductive medium sprinkling module. The lightning signal detection module is used for controlling the conductive medium sprinkling module to sprinkle a conductive medium so as to form a charge discharging channel between the grounding metallic conductor and the ground by means of the conductive medium upon the detection of a lightning signal larger than a safety threshold.
Description
Technical field
The utility model relates to a kind of thunderstorm electricity protective device, especially a kind of thunderstorm electricity protective device that is applied to vehicle.
Background technology
The same with building lightning protection device, vehicle lightning protection device is made up of arrester, downlead and earth electrode three parts, and its principle is to reduce direct stroke probability or lightning current is introduced to the earth, to guarantee the person and vehicle safety.Wherein ground connection is the most key link, the method generally adopting is at present: by vehicle parking, mode by not additionaling power or additionaling power (manpower or pneumatic hammer, electric hammer) is near the other ground of vehicle, imbed in ground by many metal earth electrodes or with nonmetal grounding modules, form earth mat.When vehicle shifts, then earth electrode is extracted.This vehicle lightning protection device has solved the lightning protection problem of vehicle under stop state, but its drawback is: first vehicle must be stopped, and secondly need to imbed dead earth body.Obviously, this device cannot solve the lightning protection problem of vehicle in motion process.
Utility model content
Technical problem to be solved in the utility model is: for the problem of above-mentioned existence, provide a kind of vehicle thunderstorm electricity protective device.
Vehicle thunderstorm electricity protective device in the utility model comprises arrester and fluid conducting medium ground unit; The grounded metal electric conductor of described arrester is connected with described fluid conducting medium ground unit sprinkler conduction or the grounded metal electric conductor of arrester is connected with the grounding connection conductor conduction that the conducting medium that is positioned at described fluid conducting medium ground unit sprays covering space;
Described fluid conducting medium ground unit comprises thunder and lightning signal detection module and conducting medium sprinkling module; Described thunder and lightning signal detection module is for being greater than the thunder and lightning signal time control of secure threshold conducting medium sprinkling module sprinkling conducting medium processed so that described conducting medium forms charge discharging resisting passage between the grounded metal electric conductor of arrester and the earth detecting.
Preferably, described arrester is Frank crop type lightning rod, Optimization-type lightning rod, ambipolar lightning rod, sudden strain of a muscle shield type lightning rod, ESE discharging in advance type lightning rod or bipolar Optimization-type lightning rod.
Preferably, described fluid conducting medium ground unit sprinkler or its spray mouthful be single port column, many oral pillars shape, single port horn-like or many mouthfuls horn-like.
Preferably, the grounding connection conductor dbus that the grounded metal electric conductor of described arrester and described fluid conducting medium ground unit sprinkler or the conducting medium that is positioned at described fluid conducting medium ground unit spray covering space is crossed lower lead-in wire and is connected.
Preferably, also comprise solid earth electrode; Described dead earth body is embedded in underground, and the conducting medium that the earth connection of solid earth electrode is exposed to fluid conducting medium ground unit sprays on the ground covering.
Preferably, described thunder and lightning signal detection module comprises that probe, signal processing circuit and ground connection control signal produce circuit; Described probe is for detection of the signal of telecommunication of thunder and lightning signal magnitude described in thunder and lightning signal output-response; The output of described probe and the input of signal processing circuit couple, the input that the output of described signal processing circuit and ground connection control signal produce circuit couples, described ground connection control signal produces circuit for producing and export effective ground connection control signal to conducting medium sprinkling module in the time that the signal of signal processing circuit output being greater than secure threshold, in the time that the signal of signal processing circuit output is no more than secure threshold, produces and exports invalid ground connection control signal to conducting medium sprinkling module.
Preferably, described thunder and lightning signal detection module comprises probe, integrating circuit, linear amplifier circuit, filter circuit and comparison circuit; Described probe is Luo-coil;
Wire between described arrester and sprinkler or grounding connection conductor is through Luo-coil;
The signal output part of Luo-coil and the input of integrating circuit couple;
The output of integrating circuit and the input of linear amplifier circuit couple;
The output of linear amplifier circuit and the input of filter circuit couple;
The output of filter circuit and the first input end of comparator couple;
The second input of comparator couples secure threshold voltage source, and comparator is for exporting described ground connection control command according to the magnitude relationship of first input end voltage and the second input terminal voltage.
Preferably, described thunder and lightning signal detection module comprises probe, pre-amplification circuit, linear amplifier circuit, filter circuit and comparison circuit;
Described probe is the resistor in the wire being series between described arrester and sprinkler or grounding connection conductor;
The two ends of resistor and pre-amplification circuit input couple;
The output of pre-amplification circuit and the input of linear amplifier circuit couple;
The output of linear amplifier circuit and the input of filter circuit couple;
The output of filter circuit and the first input end of comparator couple;
The second input of comparator couples secure threshold voltage source, and comparator is for exporting described ground connection control command according to the magnitude relationship of first input end voltage and the second input terminal voltage.
Preferably, described electrical signal detection module of heap of stone comprises probe, waveform steepness circuit, bleeder circuit territory comparison circuit; Described probe is capacitor;
Capacitor is connected with the grounded metal electric conductor of arrester;
The first output of capacitor and the first input end of waveform steepness circuit and bleeder circuit couple, and the second input of bleeder circuit and the second output of capacitor couple; The output of bleeder circuit and the first input end of comparator couple;
The second input of comparator couples secure threshold voltage source, and comparator is for exporting described ground connection control command according to the magnitude relationship of first input end voltage and the second input terminal voltage.
Preferably, described thunder and lightning signal detection module comprises probe, A/D convertor circuit, microprocessor and the signal conversion unit that order couples;
Microprocessor is for exporting the effective or invalid ground connection control signal of electric form or non-electric form according to probe output control signal change-over circuit; Described probe is that electric field instrument or magnetic field instrument are for detection of the thunder and lightning electric field signal in environment or thunder and lightning field signal.
The utility model is also carried and has been encircleed another kind of vehicle thunderstorm electricity protective device, comprises arrester and fluid conducting medium ground unit; The grounded metal electric conductor of described arrester is connected with described fluid conducting medium ground unit sprinkler conduction or the grounded metal electric conductor of arrester is connected with the grounding connection conductor conduction that the conducting medium that is positioned at described fluid conducting medium ground unit sprays covering space;
Described fluid conducting medium ground unit comprises Lightning Warning signal receiving module and conducting medium sprinkling module; Described Lightning Warning signal receiving module is for receiving thunder and lightning the Lightning Warning signal that provides of early warning mechanism is provided and to conducting medium sprinkling module output ground connection control signal;
Conducting medium sprinkling module for spray conducting medium in the time receiving effective ground connection control signal so that described conducting medium forms charge discharging resisting passage between the grounded metal electric conductor of arrester and the earth.
In sum, owing to having adopted technique scheme, the beneficial effects of the utility model are:
1, the disclosed vehicle thunderstorm electricity protective device of the utility model provides the guiding channel of charge discharging resisting for thunder and lightning; prevent that thunder and lightning from damaging vehicle find passage in car body time; simultaneously in the thunder and lightning of releasing; voltage at the bottom of having clamped down on car and between the earth; more effectively protect vehicle; therefore better protecting effect, particularly further solves the lightning protection problem of vehicle in motion process
2, vehicle thunderstorm electricity protective device of the present utility model, can configure by difference, realizes different functions, and application is wider;
3, use while having the scheme of Franklin lightning rod, Optimization-type lightning rod and discharging in advance type lightning rod, can suitably increase impedance, amplitude and the steepness of restriction lightning current, reduce the Lightning Electromagnetic Pulse giving off, and slackens earth potential counterattack;
4, use while having the scheme of dodging shield type lightning rod and bipolar sexual type lightning rod, the electric charge that is transported to lightning rod is more lasting and balanced, guarantees the stability of electric charge on lightning rod, strengthens the function of this lightning rod;
5,, when the utility model and earth band are used in combination, can greatly improve vehicle use earth band time, the situation of imperfect earth, reduces the requirement to earth band;
6, the utility model energy control channel builds, and has solved further the temporary grounding problem in vehicle stop situation temporarily;
7, owing to having introduced meteorological data, be more conducive to the preparation that properly protects in advance, reach better protection effect.
Accompanying drawing explanation
The utility model will illustrate by example and with reference to the mode of accompanying drawing, wherein:
Fig. 1 is the basic structure block diagram of the utility model vehicle thunderstorm electricity protective device;
Fig. 2 is the utility model vehicle thunderstorm electricity protective device the first embodiment circuit structure diagram;
Fig. 3 is the utility model vehicle thunderstorm electricity protective device the second embodiment circuit structure diagram;
Fig. 4 is the third embodiment circuit theory diagrams of the utility model vehicle thunderstorm electricity protective device;
Fig. 5 is the third embodiment the first circuit structure diagram of the utility model vehicle thunderstorm electricity protective device;
Fig. 6 is the third embodiment the second circuit structure diagram of the utility model vehicle thunderstorm electricity protective device;
Fig. 7 is the third circuit structure diagram of the third embodiment of the utility model vehicle thunderstorm electricity protective device;
Fig. 8 is the 4th kind of embodiment circuit theory diagrams of the utility model vehicle thunderstorm electricity protective device;
Fig. 9 is a kind of circuit structure diagram of the 4th kind of embodiment of the utility model vehicle thunderstorm electricity protective device;
Figure 10 is the schematic diagram of the utility model typical case's application in lightning conductor system;
Figure 11 is the schematic diagram of the utility model another typical case's application in lightning conductor system;
Figure 12 is the utility model thunder and lightning signal detection module the first embodiment;
Figure 13 is the utility model thunder and lightning signal detection module the second embodiment;
Figure 14 is the utility model thunder and lightning signal detection module the 3rd embodiment;
Figure 15 is the utility model thunder and lightning signal detection module the 4th embodiment;
Figure 16 is the utility model thunder and lightning signal detection module the 5th embodiment;
Figure 17 is the utility model thunder and lightning signal detection module the 6th embodiment;
Figure 18 is conducting medium spray unit the first embodiment block diagram in the utility model earthing device;
Figure 19 is conducting medium spray unit the second embodiment block diagram in the utility model earthing device;
Figure 20 is conducting medium spray unit the 3rd embodiment block diagram in the utility model earthing device;
Figure 21 is conducting medium spray unit the 4th embodiment block diagram in the utility model earthing device;
Figure 22 is conducting medium spray unit the 5th embodiment block diagram in the utility model earthing device;
Figure 23 is the utility model conducting medium storage container example structure figure.
Mark in figure: arrester 1, fluid conducting medium ground unit 2, the sprinkler 3 of fluid conducting medium ground unit, the probe 4 of fluid conducting medium ground unit, downlead 5, grounding connection conductor 6, fluid conducting medium 7, the air storage tank 8 of vehicle, the storage tank 9 of vehicle, air compressor 10, solid earth electrode 11, melt pit 12.
Embodiment
Disclosed all features in this specification, or step in disclosed all methods or process, except mutually exclusive feature and/or step, all can combine by any way.
Disclosed arbitrary feature in this specification, unless narration especially all can be replaced by other equivalences or the alternative features with similar object.,, unless narration especially, each feature is an example in a series of equivalences or similar characteristics.
As Fig. 1, the vehicle thunderstorm electricity protective device in the utility model comprises arrester and fluid conducting medium ground unit.The metallic conductor of described arrester ground connection is connected to fluid conducting medium ground unit sprinkler or it sprays mouthful position in spraying on the grounding connection conductor of covering space, and the effect of described arrester is to accept direct lightning strike electric discharge.Described fluid conducting medium ground unit comprises control signal output module and conducting medium sprinkling module, described control signal output module is to conducting medium sprinkling module output ground connection control signal, described conducting medium sprinkling module is for storing fluid conducting medium, and for receiving that ground connection control signal completes the sprinkling action consistent with ground connection control signal, when ground connection control signal is effective, conducting medium sprinkling module sprays the fluid conducting medium of its internal reservoir to the space between described grounding connection conductor and the earth, so that described conducting medium forms charge discharging resisting passage between grounding connection conductor and the earth, thereby lightning current is through arrester, sprinkler or its sprinkling mouthful position are in spraying the grounding connection conductor of covering space, the fluid conducting medium the earth of releasing.
Fig. 2, is the utility model vehicle thunderstorm electricity protective device the first embodiment, comprises arrester 1, fluid conducting medium ground unit 2.The metallic conductor of described arrester 1 ground connection is connected on the capacitor probe of fluid conducting medium ground unit 2 inside; described arrester 1 is Frank crop type lightning rod; the effect of described arrester is in the time that electric field strength arrives greatly the degree of thunder discharge; accept direct lightning strike electric discharge; utilization itself is placed in the position higher than protected object; more being struck by lightning of high probability, thus protection protected object exempts from thunderbolt.
Fig. 3, the utility model vehicle thunderstorm electricity protective device the second embodiment, described arrester 1 is Optimization-type lightning rod, when it acts on electric field strength and arrives greatly the degree of thunder discharge, accept direct lightning strike electric discharge, because lightning rod itself has impedance current limliting unit, automatic control unit, can in advance amplitude of lightning current, steepness be reduced, thereby can effectively suppress and slacken the harm that earth potential is strikeed back and lightning induction causes.The probe 4 of described fluid conducting medium ground unit is arranged on arrester 1 inside, and described probe type is testing current probe, and its effect is to gather corona current signal.
As Fig. 4, be the third embodiment circuit theory of the utility model vehicle thunderstorm electricity protective device, comprise arrester, downlead and fluid conducting medium ground unit.The metallic conductor of described arrester ground connection is connected to one end of downlead, and arrester effect is to accept direct lightning strike electric discharge.The other end of described downlead is connected to fluid conducting medium ground unit sprinkler or its and sprays mouthful position in spraying on the grounding connection conductor of covering space, the effect of described downlead be lightning current is conducted to fluid conducting medium ground unit or fluid conducting medium ground unit sprinkler from arrester sprinkling mouth position in spraying the grounding connection conductor of covering space.Described fluid conducting medium ground unit comprises thunder and lightning signal detection module and conducting medium sprinkling module, described thunder and lightning signal detection module is to conducting medium sprinkling module output ground connection control signal, described conducting medium sprinkling module is for storing fluid conducting medium, and for receiving that ground connection control signal completes the sprinkling action consistent with ground connection control signal, when ground connection control signal is effective, conducting medium sprinkling module sprays the fluid conducting medium of its internal reservoir to the space between described grounding connection conductor and the earth, so that described conducting medium forms charge discharging resisting passage between grounding connection conductor and the earth, thereby lightning current is through arrester, lead-in wire line, sprinkler or its sprinkling mouthful position are in spraying the grounding connection conductor of covering space, the fluid conducting medium the earth of releasing.
As Fig. 5, it is the third embodiment the first circuit structure of the utility model vehicle thunderstorm electricity protective device, the metallic conductor of described arrester 1 ground connection is connected to one end of downlead 5, described arrester 1 is to dodge shield type lightning rod, it is a kind of modified model of bipolar pin, its effect is by bipolar space charge discharging, dispersion technology, change the lightning rod distribution of electric charge around, reach reduction thunder and lightning arriving hour hands top electric field strength, improve the object that connects lightning pressure, in the time that electric field strength arrives greatly the degree of thunder discharge, accept direct lightning strike electric discharge.In the middle of described downlead 5 other ends, after the probe 4 of serial fluid conducting medium ground unit, be connected to sprinkler or grounding connection conductor 6, the effect of described downlead is that lightning current is conducted to grounding connection conductor from arrester.
As Fig. 6, it is the third embodiment the second circuit structure of the utility model vehicle thunderstorm electricity protective device, the metallic conductor of described arrester 1 ground connection is connected to one end of downlead 5, described arrester 1 is ESE discharging in advance type lightning rod, its effect is by the combination of a pulse transformer and oscillator, initiatively trigger high-voltage pulse signal, discharge in advance a large amount of electron ion, the upward leader forming walk in advance away from the tens of rice of lightning rod even up to a hundred meters of with first connect sudden strain of a muscle from thundercloud descending, connecing the sudden strain of a muscle time than Franklin lightning rod shifts to an earlier date greatly, reduce protected object and suffer the danger of lightning damage.In the time that electric field strength arrives greatly the degree of thunder discharge, accept direct lightning strike electric discharge.The other end of described downlead 5 is connected to sprinkler 3 or grounding connection conductor 6, and the effect of described downlead is that lightning current is conducted to grounding connection conductor from arrester.
As Fig. 7, it is the third circuit structure of the third embodiment of the utility model vehicle thunderstorm electricity protective device, the metallic conductor of described arrester 1 ground connection is connected to one end of downlead 5, described arrester 1 is bipolar space charge discharging dispersion type lightning conductor, its effect is the corona discharge stage before thunderbolt occurs, the bipolar lightning rod corona current more much bigger than Franklin lightning rod under thundercloud electric field action, improve voltage required while there are electric discharge phenomena, make it reduce to a certain extent lightning strike probability, avoid the generation of thunderbolt, in the time that electric field strength arrives greatly the degree of thunder discharge, accept direct lightning strike electric discharge.The other end of described downlead 5 is connected on fluid conducting medium ground unit 2, and the effect of described downlead is that lightning current is conducted to fluid conducting medium ground unit 2 from arrester.Shell and the sprinkler 3 of described fluid conducting medium ground unit 2 are electric conducting material, and electric current can flow to sprinkler 3 from the shell of fluid conducting medium ground unit 2.
As Fig. 8, be the 4th kind of embodiment circuit theory of the utility model vehicle thunderstorm electricity protective device, comprise arrester, downlead, fluid conducting medium ground unit and solid earth electrode.The metallic conductor of described arrester ground connection is connected to one end of downlead, and arrester effect is to accept direct lightning strike electric discharge.The other end of described downlead is connected to fluid conducting medium ground unit sprinkler or its and sprays mouthful position in spraying on the grounding connection conductor of covering space, the effect of described downlead be lightning current is conducted to fluid conducting medium ground unit or fluid conducting medium ground unit sprinkler from arrester sprinkling mouth position in spraying the grounding connection conductor of covering space.The sprinkling mouth that solid earth electrode is imbedded described fluid conducting medium ground unit sprinkler can spray the geographical position of covering, and reserves on the ground earth connection, and described solid earth electrode is used for conducting lightning current and is scattered into the earth.Described fluid conducting medium ground unit comprises thunder and lightning signal detection module and conducting medium sprinkling module, described thunder and lightning signal detection module is to conducting medium sprinkling module output ground connection control signal, described conducting medium sprinkling module is for storing fluid conducting medium, and for receiving that ground connection control signal completes the sprinkling action consistent with ground connection control signal, when ground connection control signal is effective, conducting medium sprinkling module sprays the fluid conducting medium of its internal reservoir to the space between described grounding connection conductor and solid earth electrode, so that described conducting medium forms charge discharging resisting passage at grounding connection conductor and solid earth electrode.Thereby lightning current sprays mouthful position in spraying grounding connection conductor, the solid earth electrode of the covering space the earth of releasing through arrester, downlead, sprinkler or its.
As Fig. 9, it is a kind of circuit structure of the 4th kind of embodiment of the utility model vehicle thunderstorm electricity protective device, the metallic conductor of described arrester 1 ground connection is connected to one end of downlead 5, described arrester 1 is bipolar optimization row lightning rod, and its effect is that have bipolar pin concurrently low connects the thunder and lightning that improves that dodges probability nature and optimized lightning rod and connect and flash journey, reduce lightning induction, reduce the characteristic of earth potential counterattack.Make protected object avoid the damage of direct lightning strike connecing to dodge under the prerequisite of probability lower than Franklin lightning rod, in the time that electric field strength arrive greatly the degree of thunder discharge, accept direct lightning strike and discharge.Described downlead 5 other ends are connected to grounding connection conductor 6, and the effect of described downlead is that lightning current is conducted to grounding connection conductor from arrester.
Except above-described embodiment, the utility model also provides a kind of thunderstorm electricity protective device based on existing Meteorology Forecast System, in this embodiment, utilizes Lightning Warning signal receiving module to replace the thunder and lightning signal detection module in above-described embodiment.
Described Lightning Warning signal receiving module is for receiving thunder and lightning the Lightning Warning signal that provides of early warning mechanism is provided and to conducting medium sprinkling module output ground connection control signal.
Conducting medium sprinkling module for spray conducting medium in the time receiving effective ground connection control signal so that described conducting medium forms charge discharging resisting passage between the grounded metal electric conductor of arrester and the earth.
Thunder and lightning the detects early warning mechanism branch that is meteorological system, is mainly responsible for detecting thunder and lightning and also carries out early warning, can produce people, while living hurtful thunder and lightning signal, can send Lightning Warning signal by the mode of radio signal when detecting.
Lightning Warning signal receiving module in the present embodiment can be made up of reception of wireless signals module and microprocessor, reception of wireless signals module is used for receiving Lightning Warning signal and is transferred to microprocessor, and microprocessor sends effective ground connection control signal receiving after Lightning Warning signal.
Figure 10 is the schematic diagram of the utility model typical case's application in lightning conductor system; The arrester 1 of above-mentioned each embodiment is installed on roof, fluid conducting medium ground unit is installed on the tailstock, sprinkler is opening down, conduct electricity with arrester grounded metal conductor the grounding connection conductor 6 being connected and be also installed on the tailstock and be positioned on same vertical straight line with sprinkler opening, the probe 4 of fluid conducting medium ground unit and be connected in arrester grounded metal conductor and grounding connection conductor between wire couple.
Figure 11 is the schematic diagram of the utility model another typical case's application in lightning conductor system.The arrester 1 of above-mentioned each embodiment is installed on roof, the sprinkler 3 of fluid conducting medium ground unit is installed on the tailstock, sprinkler is opening down, conducts electricity the grounding connection conductor 6 being connected be also installed on the tailstock and be positioned on same vertical straight line with sprinkler opening with arrester grounded metal conductor.Other parts of fluid conducting medium ground unit are installed on roof.
The thunder and lightning signal detection module of mentioning in above-mentioned each embodiment can have following several form.
As Figure 12, comprise that at the first embodiment of thunder and lightning signal detection module of the present utility model probe, signal processing circuit and ground connection control signal produce circuit; Described probe is for detection of thunder and lightning signal, and the magnitude of voltage of output-response thunder and lightning signal magnitude, and the output of described probe and the input of signal processing circuit couple; Described signal processing circuit is for carrying out preliminary treatment to thunder and lightning signal, if the processing such as filtering, amplification and level conversion are to make subsequent conditioning circuit can better utilize this ground connection triggering signal.The input that the output of described signal processing circuit and ground connection control signal produce circuit couples; Described ground connection control signal produces circuit for producing in the time that pretreated thunder and lightning signal is greater than secure threshold and exporting ground connection control signal to conducting medium sprinkling module.
Described thunder and lightning signal comprises inductor ends voltage signal, capacitor terminal voltage signal, resistor terminal voltage signal and the surge protector terminal voltage signal etc. in lightning discharge current signal, corona current signal, protector.
Concrete, Figure 13 is the thunder and lightning detecting signal unit circuit embodiments that detects lightning discharge current signal.Probe is Luo-coil, passes thunder discharge line conductor, as the wire between arrester and sprinkler or grounding connection conductor in the middle of described Luo-coil.Described Luo-coil relies on the principle of the mutual inductance between thunder discharge line conductor to carry out the collection of signal.Collection signal is exported to rear one-level processing of circuit.Rear one-level circuit comprises integrating circuit, linear amplifier circuit, filter circuit and comparison circuit.Integrating amplification circuit receives the signal of telecommunication of Luo-coil output, carry out after integration, integral result is exported to linear amplifier circuit, the output of linear amplifier circuit and the input of filter circuit couple, the output of filter circuit and the first input end of comparison circuit couple, the second input termination secure threshold voltage source of comparison circuit, comparator is according to the described effective or invalid ground connection control command of magnitude relationship output of first input end and the second input.
Figure 14 is the thunder and lightning signal detection module embodiment that detects corona current signal.Probe is wherein resistor, and described resistor string is associated in the middle of thunder discharge circuit, as the wire between arrester and sprinkler or grounding connection conductor.In the time that thunder discharge circuit has corona current to flow through, the terminal voltage of resistor can change.The terminal voltage of resistor is exported to rear one-level processing of circuit.After in the present embodiment, one-level circuit comprises pre-amplification circuit, linear amplifier circuit, filter circuit and comparison circuit.
Resistor and pre-amplification circuit input couple; Pre-amplification circuit is for carrying out elementary amplification to described resistor terminal voltage, in general the voltage signal of probe output comparatively a little less than, be generally a millivolt rank, pre-amplification circuit need to have larger input impedance, can lower the impact on signal, reduce the distortion of signal.
The output of pre-amplification circuit and the input of linear amplifier circuit couple; Linear amplifier circuit is further amplified to described magnitude of voltage the scope that comparison circuit can be processed.
The output of linear amplifier circuit and the input of filter circuit couple; Filter circuit is for the noise of filtering voltage signal.
The output of filter circuit and the first input end of comparator couple; The second input of comparator couples secure threshold voltage source, and comparator is for exporting described ground connection control command according to the magnitude relationship of first input end voltage and the second input terminal voltage.In the time that the output signal of filter circuit is greater than secure threshold voltage source, comparator output ground connection control command is effectively, otherwise invalid.
Probe in Figure 15 is capacitor, and this capacitor is connected with the metallic conductor of arrester.The waveform steepness circuit of detecting signal unit circuit is connected in parallel on the two ends of the capacitor of protector, and described waveform steepness circuit is for the voltage signal on steepness capacitor.After described waveform steepness circuit, connect bleeder circuit, the signal of described bleeder circuit is exported to rear one-level processing of circuit, as the comparison circuit in previous embodiment.
Wherein waveform steepness circuit is specially gas discharge tube, and capacitor one end is connected with one end of bleeder circuit by gas discharge tube, and the other end of the capacitor in protector is connected with the bleeder circuit other end.Bleeder circuit can have two or more resistance to be composed in series, and two resistance points of common connection are bleeder circuit output.When the capacitor terminal voltage in protector hour, gas discharge tube opens circuit, bleeder circuit two ends no-voltage, bleeder circuit output voltage is 0, when capacitor terminal voltage is elevated to after certain value, gas discharge tube conducting, capacitor terminal voltage is applied on bleeder circuit, the magnitude of voltage after bleeder circuit output dividing potential drop.
Figure 16 is the thunder and lightning signal detection module embodiment that detects electric field strength.Wherein probe adopts outsourcing electric field instrument, electric field instrument detects in environment and exists and exceed after the thunder and lightning electric field signal of secure threshold, export a useful signal, this useful signal is transferred to signaling conversion circuit after circuit after filtering, and signaling conversion circuit is converted to this useful signal the effective grounding control signal of electric form or non-electric form.When electric field instrument is output as invalid signals, as be considered as invalid signals in logic while thering is no signal, signaling conversion circuit is exported invalid ground connection control signal.
Figure 17 is the thunder and lightning signal detection module embodiment that detects magnetic field intensity.Probe wherein adopts outsourcing magnetic field instrument, and the signal of magnetic field instrument is exported to rear one-level processing of circuit.In the time that existence in environment exceedes the thunder and lightning magnetic field of secure threshold, magnetic field instrument output useful signal, otherwise output invalid signals.Rear one-level circuit comprises A/D convertor circuit, microprocessor and the signaling conversion circuit that order couples.Microprocessor is exported the effective or invalid ground connection control signal of electric form or non-electric form according to magnetic field instrument output signal control signal change-over circuit.
The conducting medium sprinkling module that previous embodiment is mentioned can have following several form.
As Figure 18, conducting medium sprinkling module comprises conducting medium reservoir vessel, gas path control valve, sprinkler control valve, sprinkler and supervisory instrument.
Described conducting medium reservoir vessel is used for storing gaseous state conducting medium; Described conducting medium reservoir vessel is communicated with gas path control valve; Described gas path control valve is connected with the source of the gas of gaseous state conducting medium; Described sprinkler is communicated with described conducting medium reservoir vessel by sprinkler control valve, and described sprinkler control valve is for opening under the control of the effective or invalid ground connection control command in control signal unit or closing; Described supervisory instrument is for detection of pressure the demonstration of the gaseous state conducting medium in container.Described monitor can comprise air pressure detection part, and the pressure size in detection of stored device, then shows force value.
As Figure 19, another embodiment of the conducting medium sprinkling module in the utility model is such: comprise conducting medium reservoir vessel, liquid road control valve, gas path control valve, sprinkler and supervisory instrument.Described conducting medium reservoir vessel Yu Ye road control valve is communicated with, and liquid conducting medium flows into and is stored in conducting medium reservoir vessel by described liquid road control valve; Described conducting medium reservoir vessel is also communicated with gas path control valve; Described gas path control valve is connected with air pump, as the air compressor on vehicle; Described sprinkler is communicated with described conducting medium reservoir vessel; Control gas path control valve opens or turn-offs under the control of the effective or invalid ground connection control command of control signal unit; In the time that gas path control valve is opened, gas enters conducting medium reservoir vessel, and reservoir vessel internal pressure raises, and liquid conducting medium sprays away by sprinkler.Described supervisory instrument is for detection of the pressure in liquid conducting medium capacity and container in container demonstration.
As Figure 20, conducting medium sprinkling module can also be such: comprise conducting medium reservoir vessel, sprinkler control valve and sprinkler.Can storage of water and carbon dioxide in conducting medium reservoir vessel, for example, in 1 individual ponding, dissolve the carbon dioxide that is greater than equivalent volumes.Sprinkler control valve is opened or is turn-offed under the control of the effective or invalid ground connection control command of control signal unit.In the time that sprinkler control valve is opened, the aqueous solution that is dissolved with carbon dioxide sprays away by sprinkler under the effect of chemical force.
As Figure 21, conducting medium sprinkling module can also be such: comprise liquid supercharging device, controller and sprinkler.Described liquid supercharging device has liquid inlet, and liquid conduction medium enters by liquid inlet, and controller is used for controlling the work of liquid supercharging device, and sprinkler is communicated with the liquid outlet of liquid supercharging device.Controller is further controlled starting working and quitting work of liquid supercharging device according to the effective or invalid ground connection control command of control signal unit.When work, liquid supercharging device will be sprayed away by sprinkler after the liquid conduction medium supercharging of input, and while quitting work, liquid supercharging device turn-offs the path of liquid inlet and liquid outlet.Described liquid supercharging device can be pump.
As Figure 22, conducting medium spray unit comprises reservoir vessel, flow valve, pressure regulating valve, gas path control valve, conductive solids powder container, mixing arrangement, sprinkler control valve and sprinkler.Described reservoir vessel is communicated with described flow valve, and liquid enters reservoir vessel by flow valve.Reservoir vessel is communicated with pressure regulating valve by gas path control valve, and gas enters in reservoir vessel by pressure regulating valve, gas path control valve.Reservoir vessel is communicated with mixing arrangement, and the liquid in reservoir vessel enters mixing arrangement under the pressurization of gas, and conductive solids powder unit is communicated with mixing arrangement, and conductive solids powder wherein can enter mixing arrangement.Mixing arrangement, for allocating pressed powder and liquid according to a certain percentage, makes it form suspension-turbid liquid.Mixing arrangement is also communicated with sprinkler by sprinkler control valve.Sprinkler control valve is for opening under the control of the effective or invalid ground connection control command in control signal unit or turn-offing.In the time that sprinkler control valve is opened, the suspension-turbid liquid that is mixed with conductive solids powder sprays away by sprinkler.The present embodiment is for the occasion of conducting medium situ configuration.
The fluid conducting medium of mentioning in above-described embodiment can be gaseous state, liquid state or the suspension-turbid liquid that mixed by conductive solids powder and liquid, can be specifically following a few class:
A, running water, mineral water, rainwater.
B, antistatic agent
Cationic antistatic agent: the active part of molecule is cation, mainly comprises amine salt solution, quaternary ammonium salt alkyl amino acid salting liquid etc., is mainly quarternary ammonium salt compound solution, as: alkyl tertiary amine chloride solution; Alkyl tertiary amine nitrate solution; Alkyl tertiary amine sulfuric acid solution; Alkyl tertiary amine phosphate solution.
Anionic antistatic agent: the active part of molecule is anion, comprising alkyl sulfonic acid salting liquid, sulfate liquor, phosphoric acid derivatives solution, higher fatty acids salting liquid, carboxylic acid salt solution.Cationic moiety mostly is ion, ammonium, organic amine, amino alcohol of alkali metal or alkaline-earth metal etc.
Non-ionic antistatic agent: mainly contain the compound solutions such as macrogol ester or ethers solution, polyol fatty acid ester solution, fatty acid alkanol amides solution, fatty amine ethyoxyl ether.
C, conduction liquid can be also the powder of conductor material and the suspension-turbid liquid of liquid composition.As: metal is conductive agent: as silver powder, copper powder, nickel powder etc.
Burning system conductive agent: as nanometer antimony-doped stannic oxide (ATO), iron oxide, zinc oxide, titanium dioxide etc.
Carbon series conductive agent material: as carbon black, graphite etc.
Combined conductive agent: as composite powder and composite fibre.
As Figure 23, conducting medium storage element can use the container of band storage compression functions.As capsule formula pressure storage and diaphragm type pressure storage.On the one hand, gas and conducting medium different spaces, conducting medium is purer, guarantees parameter stability.On the other hand, in the time that the external world does not have air pressure, because there is storage to press, therefore can interim voltage supply.
Described sprinkler can have been bought on the market, also can require self manufacture according to spraying form.Select or make different sprinklers by oneself, selecting suitable sprinkler, and then can control the state of the conducting medium spraying out.As sprinkler or its spray mouthful can be single port column, many oral pillars shape, single port horn-like or many mouthfuls horn-like, conducting medium is with column ejection or horn-like ejection.
Can select suitable container pressure and sprinkler through many experiments, the conducting medium liquid that makes to spray out forms multiply columnar shape and is more conducive to realize fully contacting by protection object and the earth.
The embodiment of above-mentioned various arrester, conducting medium sprinkling module, thunder and lightning signal detection module can combination in any, and arrester can be other arresters that it will also be appreciated that except above-mentioned several those skilled in the art.
The utility model is not limited to aforesaid embodiment.The utility model expands to any new feature or any new combination disclosing in this manual, and the arbitrary new method disclosing or step or any new combination of process.
Claims (10)
1. a vehicle thunderstorm electricity protective device, is characterized in that, comprises arrester and fluid conducting medium ground unit; The grounded metal electric conductor of described arrester is connected with described fluid conducting medium ground unit sprinkler conduction or the grounded metal electric conductor of arrester is connected with the grounding connection conductor conduction that the conducting medium that is positioned at described fluid conducting medium ground unit sprays covering space;
Described fluid conducting medium ground unit comprises thunder and lightning signal detection module and conducting medium sprinkling module; Described thunder and lightning signal detection module is for being greater than the thunder and lightning signal time control of secure threshold conducting medium sprinkling module sprinkling conducting medium processed so that described conducting medium forms charge discharging resisting passage between the grounded metal electric conductor of arrester and the earth detecting.
2. a kind of vehicle thunderstorm electricity protective device according to claim 1, it is characterized in that, described arrester is Frank crop type lightning rod, Optimization-type lightning rod, ambipolar lightning rod, sudden strain of a muscle shield type lightning rod, ESE discharging in advance type lightning rod or bipolar Optimization-type lightning rod.
3. a kind of vehicle thunderstorm electricity protective device according to claim 1, is characterized in that, described fluid conducting medium ground unit sprinkler or its spray mouthful be single port column, many oral pillars shape, single port horn-like or many mouthfuls horn-like.
4. a kind of vehicle thunderstorm electricity protective device according to claim 1, it is characterized in that, the grounding connection conductor dbus that the grounded metal electric conductor of described arrester and described fluid conducting medium ground unit sprinkler or the conducting medium that is positioned at described fluid conducting medium ground unit spray covering space is crossed downlead and is connected.
5. a kind of vehicle thunderstorm electricity protective device according to claim 4, is characterized in that, also comprises solid earth electrode; Described dead earth body is embedded in underground, and the conducting medium that the earth connection of solid earth electrode is exposed to fluid conducting medium ground unit sprays on the ground covering.
6. a kind of vehicle thunderstorm electricity protective device according to claim 1, is characterized in that, described thunder and lightning signal detection module comprises that probe, signal processing circuit and ground connection control signal produce circuit; Described probe is for detection of the signal of telecommunication of thunder and lightning signal magnitude described in thunder and lightning signal output-response; The output of described probe and the input of signal processing circuit couple, the input that the output of described signal processing circuit and ground connection control signal produce circuit couples, described ground connection control signal produces circuit for producing and export effective ground connection control signal to conducting medium sprinkling module in the time that the signal of signal processing circuit output being greater than secure threshold, in the time that the signal of signal processing circuit output is no more than secure threshold, produces and exports invalid ground connection control signal to conducting medium sprinkling module.
7. a kind of vehicle thunderstorm electricity protective device according to claim 4, is characterized in that, described thunder and lightning signal detection module comprises probe, integrating circuit, linear amplifier circuit, filter circuit and comparison circuit; Described probe is Luo-coil;
Wire between described arrester and sprinkler or grounding connection conductor is through Luo-coil;
The signal output part of Luo-coil and the input of integrating circuit couple;
The output of integrating circuit and the input of linear amplifier circuit couple;
The output of linear amplifier circuit and the input of filter circuit couple;
The output of filter circuit and the first input end of comparator couple;
The second input of comparator couples secure threshold voltage source, and comparator is for exporting described ground connection control command according to the magnitude relationship of first input end voltage and the second input terminal voltage.
8. a kind of vehicle thunderstorm electricity protective device according to claim 4, is characterized in that, described thunder and lightning signal detection module comprises probe, pre-amplification circuit, linear amplifier circuit, filter circuit and comparison circuit;
Described probe is the resistor in the wire being series between described arrester and sprinkler or grounding connection conductor;
The two ends of resistor and pre-amplification circuit input couple;
The output of pre-amplification circuit and the input of linear amplifier circuit couple;
The output of linear amplifier circuit and the input of filter circuit couple;
The output of filter circuit and the first input end of comparator couple;
The second input of comparator couples secure threshold voltage source, and comparator is for exporting described ground connection control command according to the magnitude relationship of first input end voltage and the second input terminal voltage.
9. a kind of vehicle thunderstorm electricity protective device according to claim 4, is characterized in that, described thunder and lightning signal detection module comprises probe, waveform steepness circuit, bleeder circuit comparison circuit; Described probe is capacitor;
Capacitor is connected with the grounded metal electric conductor of arrester;
The first output of capacitor and the first input end of waveform steepness circuit and bleeder circuit couple, and the second input of bleeder circuit and the second output of capacitor couple; The output of bleeder circuit and the first input end of comparator couple;
The second input of comparator couples secure threshold voltage source, and comparator is for exporting described ground connection control command according to the magnitude relationship of first input end voltage and the second input terminal voltage.
10. a vehicle thunderstorm electricity protective device, is characterized in that, comprises arrester and fluid conducting medium ground unit; The grounded metal electric conductor of described arrester is connected with described fluid conducting medium ground unit sprinkler conduction or the grounded metal electric conductor of arrester is connected with the grounding connection conductor conduction that the conducting medium that is positioned at described fluid conducting medium ground unit sprays covering space;
Described fluid conducting medium ground unit comprises Lightning Warning signal receiving module and conducting medium sprinkling module; Described Lightning Warning signal receiving module is for receiving thunder and lightning the Lightning Warning signal that provides of early warning mechanism is provided and to conducting medium sprinkling module output ground connection control signal;
Conducting medium sprinkling module for spray conducting medium in the time receiving effective ground connection control signal so that described conducting medium forms charge discharging resisting passage between the grounded metal electric conductor of arrester and the earth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320816405.3U CN203660527U (en) | 2013-12-11 | 2013-12-11 | Lightning protection device for vehicles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320816405.3U CN203660527U (en) | 2013-12-11 | 2013-12-11 | Lightning protection device for vehicles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203660527U true CN203660527U (en) | 2014-06-18 |
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ID=50926881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320816405.3U Withdrawn - After Issue CN203660527U (en) | 2013-12-11 | 2013-12-11 | Lightning protection device for vehicles |
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| Country | Link |
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| CN (1) | CN203660527U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103715680A (en) * | 2013-12-11 | 2014-04-09 | 四川中光防雷科技股份有限公司 | Vehicle lightning protection device |
| CN104134987B (en) * | 2014-08-18 | 2017-01-04 | 赖真华 | A kind of can the low voltage electrical equipment of lightning protection |
| CN112744212A (en) * | 2019-10-30 | 2021-05-04 | 比亚迪股份有限公司 | Vehicle control method and device and vehicle |
-
2013
- 2013-12-11 CN CN201320816405.3U patent/CN203660527U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103715680A (en) * | 2013-12-11 | 2014-04-09 | 四川中光防雷科技股份有限公司 | Vehicle lightning protection device |
| CN104134987B (en) * | 2014-08-18 | 2017-01-04 | 赖真华 | A kind of can the low voltage electrical equipment of lightning protection |
| CN112744212A (en) * | 2019-10-30 | 2021-05-04 | 比亚迪股份有限公司 | Vehicle control method and device and vehicle |
| CN112744212B (en) * | 2019-10-30 | 2022-09-09 | 比亚迪股份有限公司 | Vehicle control method and device and vehicle |
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