CN103682689A - Fluid conducting medium grounding device and method - Google Patents
Fluid conducting medium grounding device and method Download PDFInfo
- Publication number
- CN103682689A CN103682689A CN201310674592.0A CN201310674592A CN103682689A CN 103682689 A CN103682689 A CN 103682689A CN 201310674592 A CN201310674592 A CN 201310674592A CN 103682689 A CN103682689 A CN 103682689A
- Authority
- CN
- China
- Prior art keywords
- conducting medium
- signal
- ground connection
- sprinkler
- liquid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Elimination Of Static Electricity (AREA)
Abstract
The invention discloses a fluid conducting medium grounding device and method and relates to a grounding technology. The fluid conducting medium grounding device is characterized by comprising a control signal output unit and a conducting medium spraying unit. The control signal output unit is used for controlling the conducting medium spraying unit to start or stop spraying fluid conducting media to a space between an object grounding portion and the ground so as to enable the fluid conducting media to from an electric charge discharge passage between the object grounding portion and the ground.
Description
Technical field
The present invention relates to a kind of grounding technology, especially a kind of device and method that utilizes fluid conducting medium to be grounded.
Background technology
This class mobile object of picture vehicle, is often exposed in atmosphere, is easily struck by lightning.On the other hand, in motion process, the friction back and forth due to car body, is easy to accumulate static.No matter be the protection to thunder and lightning, or protection to static, ground connection is all the key link very.The effect of ground connection is, for protector set up one with to the earth carry out charge discharging resisting passage, charge discharging resisting can be entered to the earth.
The earthing mode that vehicle is conventional is iron chains or conductive rubber in tow at the bottom of car, relies on contacting of iron chains or conductive rubber and the earth, solution problem with grounding.But loss is very fast after the friction of iron chains or conductive rubber and the earth, when being short to while not being connected with the earth, forfeiture grounding function.In addition, iron chains or conductive rubber are not tight with being connected of the earth, in the time of in motion process, will upspring, and have caused imperfect earth.Electric charge is difficult to effectively release, and usually causes vehicle damage.There being the occasion of flammable and explosive substance, also can cause fire, blast, serious threat people personal safety and property safety.
Traditional earth electrode is all solid, need to be fixed in the earth, apparent, is difficult to application aprowl.Can think, as this class mobile object of vehicle, also effectively not solve problem with grounding.Build the ground connection of MOVING STRUCTURE, earth electrode must possess conductivity on the one hand, can set up electric charge passage, and earth electrode must not fixed on the other hand, can not have hard connection with the earth, can follow mobile object motion.These 2 have been caused the ground connection of mobile object is a generally acknowledged difficult problem.
Summary of the invention
Technical problem to be solved by this invention is: for the problem of above-mentioned existence, provide a kind of fluid conducting medium earthing device and method.
A kind of fluid conducting medium earthing device disclosed by the invention, comprises control signal output unit and conducting medium spray unit;
Described control signal output unit starts or stops spray fluid conducting medium to the space between object ground connection position and the earth for controlling conducting medium spray unit, so that described conducting medium forms charge discharging resisting passage between object ground connection position and the earth.
Preferably, described control signal output unit is timing control unit or manual control unit.
Preferably, described control signal output unit is detecting signal unit;
Described detecting signal unit is for detection of the ground connection triggering signal in object and object place environment, when the backward conducting medium spray unit of ground connection triggering signal that is more than or equal to secure threshold being detected, exports effective ground connection control signal;
Described conducting medium spray unit is used for storing fluid conducting medium, and for spray the fluid conducting medium of its internal reservoir after receiving effective ground connection control signal;
Described detecting signal unit is also for exporting invalid ground connection control signal to described conducting medium spray unit can't detect when the ground connection triggering signal of object and object place environment or ground connection triggering signal are less than secure threshold;
Described conducting medium spray unit also for stopping spraying described conducting medium when receiving invalid ground connection control signal.
Preferably, described detecting signal unit comprises that probe, signal processing circuit and ground connection control signal produce circuit; Described probe is for detection of the signal of telecommunication of ground connection triggering signal size described in the ground connection triggering signal in object and object place environment output-response, 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 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 produce and export effective ground connection control signal when pretreated ground connection triggering signal is more than or equal to secure threshold, produces and export invalid ground connection control signal when pretreated ground connection triggering signal is less than secure threshold.
Preferably, described detecting signal unit comprises probe, integrating circuit, linear amplifier circuit, filter circuit and comparison circuit;
Described probe is for detection of the magnitude of voltage of the ground connection triggering signal in object and object place environment output-response ground connection triggering signal size;
Output and the integrating circuit input of probe 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 detecting signal unit comprises probe, pre-amplification circuit, linear amplifier circuit, filter circuit and comparison circuit;
Described probe is for detection of the magnitude of voltage of the ground connection triggering signal in object and object place environment output-response ground connection triggering signal size;
Output and the pre-amplification circuit input of probe 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 detecting signal unit comprises probe, waveform steepness circuit, bleeder circuit and comparison circuit;
The first output of probe couples by the first input end of waveform steepness circuit and bleeder circuit, and the second input of bleeder circuit and the second output of probe 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 waveform steepness circuit is gas discharge tube.
Preferably, described detecting signal unit comprises probe, filter circuit and the signal conversion that order couples
circuit; Signaling conversion circuit is for being converted to the useful signal of probe output effective grounding control signal the output of electric form or non-electric form, also for the invalid signals of probe output being converted to invalid ground connection control signal the output of electric form or non-electric form.
Preferably, described detecting signal unit comprises probe, A/D convertor circuit, microprocessor and the signaling conversion circuit 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.
Preferably, described ground connection triggering signal is thunder and lightning signal or electrostatic signal;
Wherein, described thunder and lightning signal comprises current signal, voltage signal, electric field intensity signal and the magnetic field intensity signal under thunder and lightning environment;
Current signal under thunder and lightning environment comprises lightning discharge current signal and corona current signal;
Voltage signal under thunder and lightning environment comprises inductor ends voltage signal, capacitor terminal voltage signal, resistor terminal voltage signal and the surge protector terminal voltage signal in protective equipment;
Described electrostatic signal comprises electrostatic induced current signal, electrostatic potential signal and static electric field strength signal.
Preferably, conducting medium spray unit 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 at control signal output unit or closing;
Described supervisory instrument is for monitoring pressure the demonstration of the gaseous state conducting medium of container.
Preferably, described conducting medium spray unit comprises 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 the air compressor on vehicle; Gas path control valve is for opening under the control of the effective or invalid ground connection control command at control signal output unit or turn-offing;
Described sprinkler is communicated with described conducting medium reservoir vessel;
Described supervisory instrument is for monitoring liquid conducting medium capacity and the pressure in container of container and showing.
Preferably, described conducting medium spray unit comprises conducting medium reservoir vessel, sprinkler control valve and sprinkler;
Conducting medium reservoir vessel is for storage of liquids conducting medium, sprinkler control valve is opened or is turn-offed under the control of the effective or invalid ground connection control command of control signal output unit, and the liquid conduction medium in conducting medium reservoir vessel sprays away by sprinkler under the effect of chemical force; Described liquid conduction medium is water and CO
2the mixture of gas, and water and CO
2the volume ratio of gas is less than 1:1.
Preferably, described conducting medium spray unit comprises liquid supercharging device, controller and sprinkler;
Described liquid supercharging device has liquid inlet, and liquid conduction medium enters by liquid inlet, and sprinkler is communicated with the liquid outlet of liquid supercharging device;
Controller is for further controlling starting working and quitting work of liquid supercharging device according to the effective or invalid ground connection control command of control signal output unit;
During work, liquid supercharging device will be sprayed away by sprinkler after the liquid conduction medium supercharging of input; While quitting work, liquid supercharging device turn-offs the path of liquid inlet and liquid outlet.
Preferably, described 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;
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 at control signal output unit or turn-offing.
Preferably, described conducting medium is with column or the ejection of vaporific form.
Preferably, fluid conducting medium is gaseous state, liquid state or suspension-turbid liquid state, after the conducting medium of liquid state or suspension-turbid liquid state sprays out, with aerosol state, is present in environment.
The present invention also provides a kind of guard system, comprises protector, solid earthing device and aforesaid fluid conducting medium earthing device; Described protector is realized multipoint earthing by solid earthing device and fluid conducting medium earthing device.
The present invention also provides another kind of guard system, comprises protector, solid earthing device and aforesaid fluid conducting medium earthing device; Described protector is by fluid conducting medium earthing device, solid earthing device are realized single-point grounding successively.
The invention provides a kind of lightning protection system, comprise thunderstorm electricity protective device and aforesaid fluid conducting medium earthing device; The probe of the downlead of described thunderstorm electricity protective device and fluid conducting medium earthing device couples; Described thunderstorm electricity protective device is grounded by fluid conducting medium earthing device.
A kind of systems for providing electrostatic discharge protection in the present invention, comprises electrostatic protection apparatus and aforesaid fluid conducting medium earthing device; Described electrostatic protection apparatus is grounded by fluid conducting medium earthing device.
A kind of vehicle thunder and lightning grounding system in the present invention, comprises the thunderstorm electricity protective device being positioned on vehicle, the conducting medium earthing device of fluid as previously described that is arranged on vehicle rear and the earth terminal of vehicle tail; Thunderstorm electricity protective device has holding wire with earth terminal and is connected; Probe and the holding wire of described fluid conducting medium earthing device couple; The sprinkler of fluid conducting medium earthing device is opening down and be positioned on same vertical straight line with earth terminal; When fluid conducting medium earthing device is more than or equal to secure threshold for the ground connection triggering signal on holding wire, to earth terminal spray fluid conducting medium, described fluid conducting medium flows through earth terminal until the earth.
A vehicle static grounding system, comprises aforesaid fluid conducting medium earthing device; The detecting signal unit of fluid conducting medium earthing device is positioned on vehicle, and the sprinkler of fluid conducting medium earthing device is positioned at the below of vehicle tail, and the opening level of sprinkler is towards vehicle front.
A kind of fluid conducting medium earthing method in the present invention, comprises the following steps:
Ground connection triggering signal in inspected object and object place environment;
When ground connection triggering signal and ground connection triggering signal being detected and being more than or equal to secure threshold, to spray fluid conducting medium between object ground connection position and the earth, so that described conducting medium forms charge discharging resisting passage between object ground connection position and the earth;
When described ground connection triggering signal disappears or when ground connection triggering signal is less than secure threshold, stops spraying conducting medium; Or spray after conducting medium certain hour, stop spraying conducting medium.
Preferably, conducting medium is the conducting medium of liquid conducting medium, gaseous state conducting medium or suspension-turbid liquid state.
Preferably, described ground connection triggering signal is thunder and lightning signal or electrostatic signal;
Wherein, described thunder and lightning signal comprises current signal, voltage signal, electric field intensity signal and the magnetic field intensity signal under thunder and lightning environment;
Current signal under thunder and lightning environment comprises lightning discharge current signal and corona current signal;
Voltage signal under thunder and lightning environment comprises inductor ends voltage signal, capacitor terminal voltage signal, resistor terminal voltage signal and the surge protector terminal voltage signal in protective equipment;
Described electrostatic signal comprises electrostatic induced current signal, electrostatic potential signal and static electric field strength signal.
Preferably, described in thunder and lightning environment, conducting medium sprays out with the form of column.
Preferably, described in static environment, with vaporific form, spray out.
Preferably, conducting medium sprays out with aerocolloidal form.
In sum, owing to having adopted technique scheme, the invention has the beneficial effects as follows:
1, fluid conducting medium earthing device disclosed by the invention and method are passed through fluid conducting medium at object, as the protector of vehicle, vehicle, and between the earth, set up charge discharging resisting passage, solve dramatically the problem that the object always existing is difficult to ground connection at the volley;
2, the present invention proposes a kind of and existing different technology of technology that downlead adds that solid earth electrode is feature of take, the guard technology system of further perfect grounding technology system and thunder and lightning, static;
3, due to the present invention, to build the medium parameter of passage consistent, largely, guarantee the consistency of channel impedance, can reduce the reflection in junction that causes because of impedance mismatch, this leakage path, had the effect of downlead and earth electrode concurrently, purposes has more diversity;
4, owing to having adopted fluid conducting medium, can increase soil moisture, reduce soil resistivity;
5, owing to being that fluid media (medium) and the earth build passage, reduced destruction of surface degree, the speed simultaneously forming is more quick;
6, when having a plurality of device same position ground connection, can suitably increase impedance ground, weaken impact device being caused because of earth potential counterattack, also weaken between the device causing because of ground connection and influence each other;
7, due to input type, conducting medium parameter is adjustable, the present invention both can be applicable to lightning protection system, can be applicable to again systems for providing electrostatic discharge protection, application is more extensive;
8, the channel impedance building due to the present invention can be adjusted according to pressure and conducting medium, can realize channel impedance and change fast, also can be grounded with earth-free action and switch simultaneously, and the controllability of ground connection increases greatly;
9, the present invention comprises multiple control modes, selects manually to control, and can greatly reduce the complexity of device, cost-saving; Select timing controlled, can alleviate people's work; Selection pilot signal is controlled, and intellectuality that can implement device, reduces the loss of medium;
10, conducting medium spray unit of the present invention comprises various ways, is conducive to be adapted to the needs of different application environment;
11, adopt mixing arrangement, can realize the scene preparation of medium, be more conducive to supplementing in time of conducting medium;
12, adopted the container with pressure store function, realized medium when there is no ambient pressure and spray.
Accompanying drawing explanation
Examples of the present invention will be described by way of reference to the accompanying drawings, wherein:
Fig. 1 is the basic structure block diagram of earthing device of the present invention;
Fig. 2 is earthing device the first embodiment schematic block circuit diagram of the present invention;
Fig. 3 is earthing device the second embodiment schematic block circuit diagram of the present invention;
Fig. 4 is earthing device of the present invention the 3rd embodiment schematic block circuit diagram;
Fig. 5 is detecting signal unit schematic block circuit diagram in earthing device of the present invention the 3rd embodiment;
Fig. 6 is detecting signal unit the first embodiment schematic block circuit diagram of the present invention;
Fig. 7 is detecting signal unit the second embodiment schematic block circuit diagram of the present invention;
Fig. 8 is detecting signal unit of the present invention the 3rd embodiment schematic block circuit diagram;
Fig. 9 is detecting signal unit of the present invention the 4th embodiment schematic block circuit diagram;
Figure 10 is detecting signal unit of the present invention the 5th embodiment schematic block circuit diagram;
Figure 11 is detecting signal unit of the present invention the 6th embodiment schematic block circuit diagram;
Figure 12 is conducting medium spray unit the first embodiment block diagram in earthing device of the present invention;
Figure 13 is conducting medium spray unit the second embodiment block diagram in earthing device of the present invention;
Figure 14 is conducting medium spray unit the 3rd embodiment block diagram in earthing device of the present invention;
Figure 15 is conducting medium spray unit the 4th embodiment block diagram in earthing device of the present invention;
Figure 16 is conducting medium spray unit the 5th embodiment block diagram in earthing device of the present invention;
Figure 17 is conducting medium storage container example structure figure of the present invention;
Figure 18 is the schematic block circuit diagram that the present invention and solid earthing device use simultaneously;
Figure 19 is the another kind of situation that the present invention and solid earthing device are used in conjunction with;
Figure 20 is the application schematic diagram of the present invention in lightning conductor system;
Figure 21 is the application schematic diagram of the present invention in electrostatic protection system;
Figure 22 is the schematic diagram of the present invention's typical case's application in lightning conductor system;
Figure 23 is the schematic diagram of the present invention's typical case's application in electrostatic protection system.
Mark in figure: probe 1, preamplifier 2, differential amplifier 3, passive filter circuit 4, voltage comparator circuit 5, the control circuit 6 of sprinkler, sprinkler 7, fluid conducting medium 8, grounding device 9, lightning rod 10.
Embodiment
Disclosed all features in this specification, or the 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.That is,, unless narration especially, each feature is an example in a series of equivalences or similar characteristics.
A kind of fluid conducting medium earthing method in the present invention, comprises the following steps:
Ground connection triggering signal in inspected object and object place environment;
When ground connection triggering signal and ground connection triggering signal being detected and being more than or equal to secure threshold, to spray fluid conducting medium between object ground connection position and the earth, so that described conducting medium forms charge discharging resisting passage between object and the earth;
When described ground connection triggering signal disappears or when ground connection triggering signal is less than secure threshold, stops spraying conducting medium; Or spray after conducting medium certain hour, stop spraying conducting medium.
Described ground connection triggering signal is thunder and lightning signal or electrostatic signal;
Wherein, described thunder and lightning signal comprises current signal, voltage signal, electric field intensity signal and the magnetic field intensity signal under thunder and lightning environment;
Current signal under thunder and lightning environment comprises lightning discharge current signal and corona current signal;
Voltage signal under thunder and lightning environment comprises inductor ends voltage signal, capacitor terminal voltage signal, resistor terminal voltage signal and the surge protector terminal voltage signal in protective equipment;
Described electrostatic signal comprises electrostatic induced current signal, electrostatic potential signal and static electric field strength signal.
In order to reach good earthing effect, described in thunder and lightning environment, conducting medium sprays out with the form of column.
Described, in static environment, conducting medium sprays out with vaporific form, the conducting medium spraying out with aerocolloidal form exist with environment in.
As Fig. 1, the fluid conducting medium earthing device in the present invention comprises control signal output unit and conducting medium spray unit.
Described control signal output unit is for exporting ground connection control signal to conducting medium spray unit; Control conducting medium spray unit and start or stop spray fluid conducting medium.
Described conducting medium spray unit is for storing fluid conducting medium, and for complete the sprinkling action consistent with ground connection control signal according to ground connection control signal, when ground connection control signal is effective, the fluid conducting medium that conducting medium spray unit is sprayed its internal reservoir arrives the space of the earth to object ground connection position, so that described conducting medium forms charge discharging resisting passage between object ground connection position and the earth.Described conducting medium spray unit also, for when ground connection control signal is invalid, stops spraying described conducting medium.
As Fig. 2, in the first embodiment circuit theory of earthing device of the present invention, control signal output unit is timing control unit.Described timing control unit can be set and sprays interval time and spray the duration, timing control unit carries out timing, timing reaches while spraying interval time, export effective ground connection control signal, conducting medium spray unit starts spray fluid conducting medium, and timing control unit continues timing, when timing reaches sprinkling during the duration, timing control unit is exported invalid ground connection control signal, and described conducting medium spray unit stops spray fluid conducting medium.
As Fig. 3, in the second embodiment circuit theory of earthing device of the present invention, control signal output unit is manual control unit.Described manual control unit is realized the manually effective ground connection control signal of output, and described conducting medium spray unit is sprayed.Described manual control unit also can manually be exported invalid ground connection control signal, and described conducting medium spray unit stops spraying.
As Fig. 4, in the first embodiment circuit theory of earthing device of the present invention, control signal output unit is detecting signal unit.
Described detecting signal unit is for detection of the ground connection triggering signal in the environment of on object and object place, when the backward conducting medium spray unit of ground connection triggering signal that is more than or equal to secure threshold being detected, exports effective ground connection control signal.
Described detecting signal unit is also for exporting invalid ground connection control signal to described conducting medium spray unit can't detect when the ground connection triggering signal of object and object place environment or ground connection triggering signal are less than secure threshold.
Described conducting medium spray unit for spraying the fluid conducting medium of its internal reservoir when receiving effective ground connection control signal, and described conducting medium spray unit also, for when receiving invalid ground connection control signal, stops spraying described conducting medium.
As Fig. 5, in the 3rd embodiment of earthing device of the present invention, in detecting signal unit circuit theory diagrams, described detecting signal unit comprises that at least probe, signal processing circuit and ground connection control signal produce circuit; Described probe is for detection of the ground connection triggering signal in object and object place environment, and the magnitude of voltage of output-response ground connection triggering signal size, 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 ground connection triggering signal, if the processing such as filtering, amplification and level conversion are so that 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 produce and export effective ground connection control signal when pretreated ground connection triggering signal is more than or equal to secure threshold.
Described ground connection triggering signal can be as current signal, voltage signal, electric field intensity signal or magnetic field intensity signal.Wherein the current signal under thunder and lightning environment comprises lightning discharge current signal and corona current signal.Voltage signal under thunder and lightning environment comprises inductor ends voltage signal, capacitor terminal voltage signal, resistor terminal voltage signal and the surge protector terminal voltage signal in protector.Electrostatic signal comprises the voltage signal of the electrostatic charging body under static environment.Select different probes, can detect different ground connection triggering signals.
Concrete, Fig. 6 is the detecting signal unit circuit embodiments that detects lightning discharge current signal.The probe of detecting signal unit circuit is Luo-coil, passes thunder discharge line conductor in the middle of described Luo-coil.The principle of the mutual inductance between described Luo-coil dependence and thunder discharge line conductor is carried 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.
Fig. 7 is the detecting signal unit circuit embodiments that detects corona current signal.The probe of detecting signal unit circuit is resistor, and described resistor string is associated in the middle of thunder discharge circuit, and when 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.When the output signal of filter circuit is more than or equal to secure threshold voltage source, comparator output ground connection control command is effectively, otherwise invalid.
Fig. 8 is the detecting signal unit circuit embodiments that detects the capacitor terminal voltage signal in protector.The waveform steepness circuit of detecting signal unit circuit is connected between the capacitor of protector and the bleeder circuit of detecting signal unit circuit, and described waveform steepness circuit is for the voltage signal on the capacitor of steepness protector.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 the capacitor one end in protector 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.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.Device in waveform steepness circuit can be also air gap, multilayer gap, varistor and Transient Suppression Diode.
Fig. 9 is the detecting signal unit embodiment that detects the voltage signal of the electrostatic charging body under static environment, and it comprises probe 1, preamplifier 2, differential amplifier 3, passive filter circuit 4, voltage comparator circuit 5.Above-mentioned five parts couple in turn.
Probe comprises two capacitors and a resistance, described the first capacitor is connected with the second capacitor, one end of resistance is connected with the points of common connection of two capacitors, the other end of the other end of resistance and the second capacitor is as the output of probe, and the other end of the first capacitor is the input of probe.When there is electrostatic potential, the capacitor terminal voltage in probe 1 rises.Capacitor electrode capacitance and withstand voltage are selected according to electrostatic charge to be measured and electrostatic potential secure threshold herein, and capacitor type is plate condenser, and capacitor uses high insulating material as medium, guarantees that capacitor Leakage Current is much smaller than mobile electrostatic induced current.Capacitor form in probe 1 can be static capacitive, orbiting vane or capacitance-type vibration formula, preferably capacitance < 1nF.
Probe 1 voltage signal to preamplifier 2 output-response electrostatic potential sizes.Preamplifier 2 consists of operational amplifier A 1 integrated package.Because the voltage signal of probe 1 output is very faint, the operational amplifier A 1 in preamplifier 2 is selected the electrometer type operational amplifier of extremely low input bias current and superelevation input impedance.As selected input bias current < 1nA here, the electrometer type operational amplifier of input impedance > 100M Ω.
Differential amplifier 3 adopts classical differential amplifier circuit, effectively suppresses common-mode signal, improves signal to noise ratio.Operational amplifier A 2 is consistent with A3 parameter, and multiplication factor is controlled at 50 ~ 100 times.A4 forms second level amplifying circuit.
Passive filter circuit 4 is π type filter circuit, the radio-frequency component of filtered signal.
Voltage comparator circuit 5 is delivered to the voltage signal of filter circuit 4 outputs by a voltage follower A5 inverting input of comparator A6, and the effect of voltage follower A5 is to improve input impedance.Secure threshold voltage source connects direct voltage source Vcc by potentiometer one end, and other end ground connection is realized.Regulator potentiometer, just can obtain the secure threshold voltage needing, and this secure threshold voltage is given the normal phase input end of comparator A6.
According to Fig. 9, those skilled in the art are not difficult to learn, the operation principle of the present embodiment is that, when the voltage amplitude of the reaction electrostatic potential size after processing is more than or equal to secure threshold voltage, the control signal of comparator A6 output is low level.Light-emitting diode D1 in the control circuit 6 of sprinkler and the equal conducting of optical coupling isolator Q1, then triode Q2 conducting, relay K M must conduct, and then sprinkler is opened.When the voltage amplitude of the reaction electrostatic potential size after processing is less than secure threshold voltage, the control signal of comparator A6 output is high level.Light-emitting diode D1 and optical coupling isolator Q1 in the control circuit 6 of sprinkler all turn-off, and then triode Q2 also turn-offs, and relay K M closes, and then sprinkler does not spray action.
Figure 10 is the detecting signal unit circuit embodiments that detects electric field strength.The probe of detecting signal unit circuit adopts outsourcing electric field instrument, electric field instrument detects in environment and exists and surpass after the thunder and lightning electric field or static 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 there is no signal, signaling conversion circuit is exported invalid ground connection control signal.
Figure 11 is the detecting signal unit circuit embodiments that detects magnetic field intensity.The probe of detecting signal unit circuit adopts outsourcing magnetic field instrument, and the signal of magnetic field instrument is exported to rear one-level processing of circuit.While there is the thunder and lightning magnetic field that surpasses secure threshold in environment, 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.
As Figure 12, conducting medium spray unit 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 at signal output unit or closing; Described supervisory instrument is for monitoring pressure the demonstration of the gaseous state conducting medium of container.Described monitor can comprise Pressure monitoring parts, and the pressure size in monitoring memory, then shows force value.
As Figure 13, another embodiment of the conducting medium spray unit in the present invention 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 output unit; When 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 monitoring liquid conducting medium capacity and the pressure in container of container and showing.
As Figure 14, conducting medium spray unit 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 output unit.When 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 15, conducting medium spray unit 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 output unit.During 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 16, 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 at control signal output unit or turn-offing.When 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 that liquid forms.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 17, conducting medium reservoir vessel can be used 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, when 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 conducting medium be take column ejection or vaporific (as sprinkler as shower nozzle form time) ejection.
Can select suitable container pressure and sprinkler through many experiments, in lightning protection system, multiply columnar shape is more conducive to realize fully contacting of object and the earth; In systems for providing electrostatic discharge protection, make the conducting medium liquid that sprays out form the droplet that diameter is less than 100 microns, thereby form aerosol, be more conducive to realize fully contacting of object and the earth.
Several use situations of earthing device in the present invention have been shown respectively in Figure 18 ~ 23.
Figure 18 is the situation that earthing device of the present invention and original solid earthing device are used in conjunction with.Earthing device of the present invention and solid earthing device parallel combination are formed to grounding system, and described grounding system is connected with protector, forms guard system.
Figure 19 is the another kind of situation that earthing device of the present invention and original solid earthing device are used in conjunction with.By earthing device of the present invention and solid earthing device system in series, earthing device of the present invention has played the downlead effect in guard system.
Figure 20, is that fluid conducting medium earthing device is connected with thunderstorm electricity protective device through downlead, forms lightning protection system.When thunder and lightning signal being detected, described fluid conducting medium earthing device sprays conducting medium to the earth, for described thunderstorm electricity protective device provides the passage of the thunder and lightning electric charge of releasing, completes thunder and lightning and releases.Earthing device of the present invention has played the earth electrode effect in guard system.
Figure 21, is that fluid conducting medium earthing device is connected with electrostatic protection apparatus, forms systems for providing electrostatic discharge protection.When electrostatic signal being detected, described fluid conducting medium earthing device sprays conducting medium to the earth, for described electrostatic protection apparatus provides the passage of static electricity discharge electric charge, completes electrostatic leakage.
Figure 22, is more typical use scenes of earthing device of the present invention, the use of earthing device in lightning protection.Described earthing device is arranged on vehicle rear, probe 1 detects thunderstorm electricity protective device 10, as lightning rod, with the thunder and lightning signal on the connecting line of the earth terminal 9 of vehicle, when signal reaches a certain amount of, by conducting medium 8, the form with column sprays out fluid conducting medium earthing device 7, and conducting medium forms the passage of the charge discharging resisting between earth terminal 9 and the earth, completes releasing of thunder and lightning electric charge.
As shown in figure 23, be another more typical use scenes of earthing device of the present invention.The use of earthing device in electrostatic defending.Described earthing device is arranged on lower vehicle, the probe 1 of earthing device detects the electrostatic signal of car body, when electrostatic signal reaches a certain amount of, and earthing device action, fluid media (medium) forms the passage of the charge discharging resisting between vehicle and the earth, completes releasing of vehicle electric charge.
In the embodiment of Figure 23, the quantity of detecting signal unit can be a plurality of, and described each detecting signal unit all has control signal with described conducting medium spray unit and is connected; Described conducting medium spray unit is used for when detecting signal unit is exported effective ground connection control command described in any one the conducting medium of its internal reservoir to be sprayed onto vehicle.
Described conducting medium spray unit also for stopping spraying described conducting medium when receiving the invalid ground connection control command of whole detecting signal units output.
Those skilled in the art can suspect, if detecting signal unit output logic 0 is effective ground connection control signal, when logical one is invalid ground connection control signal, uses input more than one and can realize above-mentioned control logic.As, the control signal of each detecting signal unit connects respectively each input of many inputs and door, is connected the switch of sprinkler with the output of door, and as relay, for requiring to open sprinkler occasion faster, switch can be controllable silicon or field effect transistor.
The present invention is not limited to aforesaid embodiment.The present invention 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 (20)
1. a fluid conducting medium earthing device, is characterized in that, comprises control signal output unit and conducting medium spray unit;
Described control signal output unit starts or stops spray fluid conducting medium to the space between object ground connection position and the earth for controlling conducting medium spray unit, so that described conducting medium forms charge discharging resisting passage between object ground connection position and the earth.
2. a kind of fluid conducting medium earthing device according to claim 1, is characterized in that, described control signal output unit is timing control unit or manual control unit.
3. a kind of fluid conducting medium earthing device according to claim 1, is characterized in that, described control signal output unit is detecting signal unit;
Described detecting signal unit is for detection of the ground connection triggering signal in object and object place environment, when the backward conducting medium spray unit of ground connection triggering signal that is more than or equal to secure threshold being detected, exports effective ground connection control signal;
Described conducting medium spray unit is used for storing fluid conducting medium, and for spray the fluid conducting medium of its internal reservoir after receiving effective ground connection control signal;
Described detecting signal unit is also for exporting invalid ground connection control signal to described conducting medium spray unit can't detect when the ground connection triggering signal of object and object place environment or ground connection triggering signal are less than secure threshold;
Described conducting medium spray unit also for stopping spraying described conducting medium when receiving invalid ground connection control signal.
4. a kind of fluid conducting medium earthing device according to claim 3, is characterized in that, described detecting signal unit comprises that probe, signal processing circuit and ground connection control signal produce circuit; Described probe is for detection of the signal of telecommunication of ground connection triggering signal size described in the ground connection triggering signal in object and object place environment output-response, 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 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 produce and export effective ground connection control signal when pretreated ground connection triggering signal is more than or equal to secure threshold, produces and export invalid ground connection control signal when pretreated ground connection triggering signal is less than secure threshold.
5. a kind of fluid conducting medium earthing device according to claim 3, is characterized in that, described detecting signal unit comprises probe, integrating circuit, linear amplifier circuit, filter circuit and comparison circuit;
Described probe is for detection of the magnitude of voltage of the ground connection triggering signal in object and object place environment output-response ground connection triggering signal size;
Output and the integrating circuit input of probe 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.
6. a kind of fluid conducting medium earthing device according to claim 3, is characterized in that, described detecting signal unit comprises probe, pre-amplification circuit, linear amplifier circuit, filter circuit and comparison circuit;
Described probe is for detection of the magnitude of voltage of the ground connection triggering signal in object and object place environment output-response ground connection triggering signal size;
Output and the pre-amplification circuit input of probe 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.
7. a kind of fluid conducting medium earthing device according to claim 3, is characterized in that, described ground connection triggering signal is thunder and lightning signal or electrostatic signal;
Wherein, described thunder and lightning signal comprises current signal, voltage signal, electric field intensity signal and the magnetic field intensity signal under thunder and lightning environment;
Current signal under thunder and lightning environment comprises lightning discharge current signal and corona current signal;
Voltage signal under thunder and lightning environment comprises inductor ends voltage signal, capacitor terminal voltage signal resistor terminal voltage signal and the surge protector terminal voltage signal in protective equipment;
Described electrostatic signal comprises electrostatic induced current signal, electrostatic potential signal and static electric field strength signal.
8. a kind of fluid conducting medium earthing device according to claim 1, is characterized in that, conducting medium spray unit 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 at control signal output unit or closing;
Described supervisory instrument is for monitoring pressure the demonstration of the gaseous state conducting medium of container.
9. a kind of fluid conducting medium earthing device according to claim 1, is characterized in that, described conducting medium spray unit comprises 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 the air compressor on vehicle; Gas path control valve is for opening under the control of the effective or invalid ground connection control command at control signal output unit or turn-offing;
Described sprinkler is communicated with described conducting medium reservoir vessel;
Described supervisory instrument is for monitoring liquid conducting medium capacity and the pressure in container of container and showing.
10. a kind of fluid conducting medium earthing device according to claim 1, is characterized in that, described conducting medium spray unit comprises conducting medium reservoir vessel, sprinkler control valve and sprinkler;
Conducting medium reservoir vessel is for storage of liquids conducting medium, sprinkler is communicated with conducting medium storage element by sprinkler control valve, sprinkler control valve is opened or is turn-offed under the control of the effective or invalid ground connection control command of control signal output unit, and the liquid conduction medium in conducting medium reservoir vessel sprays away by sprinkler under the effect of chemical force; Described liquid conduction medium is water and CO
2the mixture of gas, and water and CO
2the volume ratio of gas is less than 1:1.
11. a kind of fluid conducting medium earthing device according to claim 1, is characterized in that, described conducting medium spray unit comprises liquid supercharging device, controller and sprinkler;
Described liquid supercharging device has liquid inlet, and liquid conduction medium enters by liquid inlet, and sprinkler is communicated with the liquid outlet of liquid supercharging device;
Controller is for further controlling starting working and quitting work of liquid supercharging device according to the effective or invalid ground connection control command of control signal output unit;
During work, liquid supercharging device will be sprayed away by sprinkler after the liquid conduction medium supercharging of input; While quitting work, liquid supercharging device turn-offs the path of liquid inlet and liquid outlet.
12. a kind of fluid conducting medium earthing device according to claim 1, it is characterized in that, described 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;
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 at control signal output unit or turn-offing.
13. a kind of fluid conducting medium earthing device according to claim 1, is characterized in that, described conducting medium is with column or the ejection of vaporific form.
14. a kind of fluid conducting medium earthing device according to claim 13, is characterized in that, fluid conducting medium is gaseous state, liquid state or suspension-turbid liquid state, after the conducting medium of liquid state or suspension-turbid liquid state sprays out, with aerosol state, is present in environment.
15. 1 kinds of fluid conducting medium earthing methods, is characterized in that, comprise the following steps:
Ground connection triggering signal in inspected object and object place environment;
When ground connection triggering signal and ground connection triggering signal being detected and being more than or equal to secure threshold, to spray fluid conducting medium between object ground connection position and the earth, so that described conducting medium forms charge discharging resisting passage between object ground connection position and the earth;
When described ground connection triggering signal disappears or when ground connection triggering signal is less than secure threshold, stops spraying conducting medium; Or spray after conducting medium certain hour, stop spraying conducting medium.
16. a kind of fluid conducting medium earthing methods according to claim 15, is characterized in that, conducting medium is the conducting medium of liquid conducting medium, gaseous state conducting medium or suspension-turbid liquid state.
17. a kind of fluid conducting medium earthing methods according to claim 15, is characterized in that, described ground connection triggering signal is thunder and lightning signal or electrostatic signal;
Wherein, described thunder and lightning signal comprises current signal, voltage signal, electric field intensity signal and the magnetic field intensity signal under thunder and lightning environment;
Current signal under thunder and lightning environment comprises lightning discharge current signal and corona current signal;
Voltage signal under thunder and lightning environment comprises inductor ends voltage signal, capacitor terminal voltage signal resistor terminal voltage signal and the surge protector terminal voltage signal in protective equipment;
Described electrostatic signal comprises electrostatic induced current signal, electrostatic potential signal and static electric field strength signal.
18. a kind of fluid conducting medium earthing methods according to claim 15, is characterized in that, described in thunder and lightning environment, conducting medium sprays out with the form of column.
19. a kind of fluid conducting medium earthing methods according to claim 15, is characterized in that, described in static environment, with vaporific form, spray out.
20. according to a kind of fluid conducting medium earthing method described in claim 18 or 19, it is characterized in that, conducting medium sprays out with aerocolloidal form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310674592.0A CN103682689B (en) | 2013-12-11 | 2013-12-11 | A kind of fluid conductive medium earthing device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310674592.0A CN103682689B (en) | 2013-12-11 | 2013-12-11 | A kind of fluid conductive medium earthing device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103682689A true CN103682689A (en) | 2014-03-26 |
| CN103682689B CN103682689B (en) | 2016-03-09 |
Family
ID=50319450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310674592.0A Active CN103682689B (en) | 2013-12-11 | 2013-12-11 | A kind of fluid conductive medium earthing device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103682689B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104538751A (en) * | 2014-12-31 | 2015-04-22 | 四川中光防雷科技股份有限公司 | Flexible grounding device and method and system thereof |
| CN105401043A (en) * | 2015-11-13 | 2016-03-16 | 太仓荣中机电科技有限公司 | Current on/off high-performance metal material |
| CN105873343A (en) * | 2016-01-29 | 2016-08-17 | 钟志强 | Frictional wear-free release electrostatic elimination method of mobile object to ground |
| CN104134987B (en) * | 2014-08-18 | 2017-01-04 | 赖真华 | A kind of can the low voltage electrical equipment of lightning protection |
| WO2017128897A1 (en) * | 2016-01-29 | 2017-08-03 | 钟志强 | Electrostatic discharge and elimination method for a moving object free from friction and abrasion caused by ground |
| CN107199972A (en) * | 2017-05-16 | 2017-09-26 | 安徽江淮汽车集团股份有限公司 | A kind of vehicle body static elimination method and system |
| CN108284808A (en) * | 2017-12-26 | 2018-07-17 | 成都鼎信致远科技有限公司 | High-risk vehicle electrostatic protection apparatus |
| CN108834011A (en) * | 2018-05-30 | 2018-11-16 | 出门问问信息科技有限公司 | A kind of pair of microphone carries out the method and device of electrostatic protection |
| CN109066242A (en) * | 2018-07-23 | 2018-12-21 | 蔚来汽车有限公司 | Charging gun, charging unit and charging method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1231534A (en) * | 1998-04-06 | 1999-10-13 | 傅辅成 | Water-spraying type arrester |
| CN1805218A (en) * | 2005-01-13 | 2006-07-19 | 李新利 | Quick-mounted earthing pole containing resistance-reducing agent |
| CN1951159A (en) * | 2004-05-26 | 2007-04-18 | 修谷鲁电子机器股份有限公司 | Neutralization apparatus |
| CN201364972Y (en) * | 2008-12-26 | 2009-12-16 | 王文刚 | Highly-conductive non-metallic ion grounding device |
| CN102044412A (en) * | 2009-10-16 | 2011-05-04 | 东京毅力科创株式会社 | Substrate liquid processing apparatus and substrate liquid processing method |
| CN203660075U (en) * | 2013-12-11 | 2014-06-18 | 四川中光防雷科技股份有限公司 | Fluid conductive medium grounding device and application system thereof |
-
2013
- 2013-12-11 CN CN201310674592.0A patent/CN103682689B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1231534A (en) * | 1998-04-06 | 1999-10-13 | 傅辅成 | Water-spraying type arrester |
| CN1951159A (en) * | 2004-05-26 | 2007-04-18 | 修谷鲁电子机器股份有限公司 | Neutralization apparatus |
| CN1805218A (en) * | 2005-01-13 | 2006-07-19 | 李新利 | Quick-mounted earthing pole containing resistance-reducing agent |
| CN201364972Y (en) * | 2008-12-26 | 2009-12-16 | 王文刚 | Highly-conductive non-metallic ion grounding device |
| CN102044412A (en) * | 2009-10-16 | 2011-05-04 | 东京毅力科创株式会社 | Substrate liquid processing apparatus and substrate liquid processing method |
| CN203660075U (en) * | 2013-12-11 | 2014-06-18 | 四川中光防雷科技股份有限公司 | Fluid conductive medium grounding device and application system thereof |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104134987B (en) * | 2014-08-18 | 2017-01-04 | 赖真华 | A kind of can the low voltage electrical equipment of lightning protection |
| CN104538751A (en) * | 2014-12-31 | 2015-04-22 | 四川中光防雷科技股份有限公司 | Flexible grounding device and method and system thereof |
| CN105401043A (en) * | 2015-11-13 | 2016-03-16 | 太仓荣中机电科技有限公司 | Current on/off high-performance metal material |
| CN105873343A (en) * | 2016-01-29 | 2016-08-17 | 钟志强 | Frictional wear-free release electrostatic elimination method of mobile object to ground |
| WO2017128897A1 (en) * | 2016-01-29 | 2017-08-03 | 钟志强 | Electrostatic discharge and elimination method for a moving object free from friction and abrasion caused by ground |
| CN105873343B (en) * | 2016-01-29 | 2019-01-11 | 福建省依新汽车用品有限公司 | Mobile object is discharged without fretting wear over the ground eliminates electrostatic method |
| CN107199972A (en) * | 2017-05-16 | 2017-09-26 | 安徽江淮汽车集团股份有限公司 | A kind of vehicle body static elimination method and system |
| CN108284808A (en) * | 2017-12-26 | 2018-07-17 | 成都鼎信致远科技有限公司 | High-risk vehicle electrostatic protection apparatus |
| CN108834011A (en) * | 2018-05-30 | 2018-11-16 | 出门问问信息科技有限公司 | A kind of pair of microphone carries out the method and device of electrostatic protection |
| CN108834011B (en) * | 2018-05-30 | 2020-08-11 | 出门问问信息科技有限公司 | Method and device for performing electrostatic protection on microphone |
| CN109066242A (en) * | 2018-07-23 | 2018-12-21 | 蔚来汽车有限公司 | Charging gun, charging unit and charging method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103682689B (en) | 2016-03-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103682689B (en) | A kind of fluid conductive medium earthing device and method | |
| CN203660075U (en) | Fluid conductive medium grounding device and application system thereof | |
| CN103716974B (en) | A kind of electrostatic protection apparatus | |
| CN103715680B (en) | A kind of vehicle thunderstorm electricity protective device | |
| CN205182419U (en) | Building site presses down dirt system with little fog | |
| CN203661396U (en) | Electrostatic protection device | |
| CN203737456U (en) | Profile modeling electrode electrostatic sprinkler head | |
| CN203534933U (en) | Water spraying device of hydrophobicity detector for composite insulator | |
| CN204093623U (en) | A kind of two-tube foam sprays and high pressure water washing double-purpose rifle | |
| CN203660527U (en) | Lightning protection device for vehicles | |
| CN204319571U (en) | Tubular type ultrafine dry powder extinguishing installation | |
| CN203389263U (en) | Anti-dripping water mist nozzle | |
| CN101337209B (en) | Electrostatic spraying device | |
| CN205977264U (en) | Mining geomantic omen coordinated type atomizer | |
| CN206183838U (en) | Protection against electric shock fire control unit and protection against electric shock fire hose | |
| CN208800280U (en) | A kind of spraying system in fireworks and firecrackers production | |
| CN208999527U (en) | A kind of low voltage series fault electric arc experimental detection device | |
| CN206282710U (en) | One kind fire extinguishing transformer | |
| CN207271476U (en) | A kind of insulation cleaning spray gun | |
| CN201607478U (en) | Flow electrification testing device of oil filter | |
| CN206009049U (en) | Two fluid spray bar of blockage resisting | |
| CN110912105A (en) | High-low voltage protection circuit for power supply voltage range detection | |
| CN205695204U (en) | A kind of electrostatic atomizer based on induction charging | |
| CN214257736U (en) | Universal safety electrostatic spray air gun | |
| CN206447019U (en) | A kind of double-component water paint solidifies inhalator jar with double end |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |