CN106970274A - The break down protecting method of electrostatic equipment, lampblack absorber and electrostatic equipment - Google Patents
The break down protecting method of electrostatic equipment, lampblack absorber and electrostatic equipment Download PDFInfo
- Publication number
- CN106970274A CN106970274A CN201710210915.9A CN201710210915A CN106970274A CN 106970274 A CN106970274 A CN 106970274A CN 201710210915 A CN201710210915 A CN 201710210915A CN 106970274 A CN106970274 A CN 106970274A
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- circuit
- function part
- voltage
- module
- electrostatic
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/12—Measuring electrostatic fields or voltage-potential
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/14—Circuits therefor, e.g. for generating test voltages, sensing circuits
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
- G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/20—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for electronic equipment
Abstract
The present invention relates to appliance field; disclose the break down protecting method of a kind of electrostatic equipment, lampblack absorber and electrostatic equipment; the electrostatic equipment includes electrostatic module, detection module and control module; the electrostatic module includes function part (10); the detection module is used to detect the electrical parameter in the circuit (20) of the electrostatic module and sends signal to the control module; the control module is used for the work that the circuit (20) is controlled according to the signal of the detection module, wherein：When running parameter of the function part (10) under the corresponding working condition of the electrical parameter reaches the breakdown threshold of the function part (10), the control module controls the circuit (20) to disconnect or reduction voltage.The electrical parameter that the present invention can be detected by detection module effectively monitors the generation punctured, and then circuit is taken appropriate measures to return to not breakdown conditions by control module, it is to avoid what is punctured recurs and thus caused infringement.
Description
Technical field
The present invention relates to appliance field, more particularly to the break down protecting method of electrostatic equipment, lampblack absorber and electrostatic equipment.
Background technology
In electrostatic equipment (being used to discharge or for producing the purposes such as electrostatic field) in use, because its use environment may be made
Into puncturing, cause the damage of electric elements (such as battery lead plate).Particularly with the oil smoke that oil removing is carried out using Electrostatic Absorption mode
Machine, due to being exposed to for its electrostatic equipment in this adverse circumstances of oil smoke, causes the change of its use environment violent, it is easier to send out
Life punctures and produces electric arc, and then causes injury to personnel or cause fire.
Therefore, existing electrostatic equipment lacks effective breakdown protection measure.
The content of the invention
Filled the invention aims to the breakdown problem for the electrostatic equipment for overcoming prior art presence there is provided a kind of electrostatic
Put, so that effectively protection can be obtained when puncturing.
To achieve these goals, the present invention provides a kind of electrostatic equipment, wherein, the electrostatic equipment includes electrostatic mould
Block, detection module and control module, the electrostatic module include function part, and the detection module is used to detect the electrostatic module
Circuit in electrical parameter and send signal to the control module, the control module is used for the letter according to the detection module
The work of number control circuit, wherein：When running parameter of the function part under the corresponding working condition of the electrical parameter
When reaching the breakdown threshold of the function part, the control module controls the circuit to disconnect or reduction voltage.
Preferably, the voltage of the running parameter including the function part two ends, flow through the function part electric current, first
The voltage difference at the function part two ends in unit interval, flow through in the second unit interval in the difference between current of the function part at least
One.
Preferably, the circuit includes function part loop, and the function part loop includes being parallel to the branch of the function part
First resistor and high-tension resistive are in series with road, the branch road, the detection module is used to detect the first resistor two ends
Voltage or the electric current for flowing through the branch road.
Preferably, the electrostatic equipment includes being used for power supply and the power supply and the institute that voltage is provided to the function part
The second resistance of function part circuit in series is stated, the detection module is used to detect the voltage at the second resistance two ends or flows through institute
State the electric current of second resistance.
Preferably, the detection module include be used for detect the first resistor both end voltage first voltage probe and/
Or for detecting that the second voltage of the second resistance both end voltage is popped one's head in；And/or, power supply is configured to regulation output
Voltage.
Preferably, the electrostatic module includes discharge module, and the function part includes tip member and battery lead plate, the circuit
Including discharge module circuit；And/or, the electrostatic module includes collection module, and the function part includes positive plate and negative
Pole plate, the circuit includes collection module circuit, wherein：The detection module be used for detect the discharge module circuit and/or
Electrical parameter in collection module circuit, the control module is used to control the discharge module according to the signal of the detection module
The work of circuit and/or collection module circuit.
Preferably, the control module is set to control the circuit to disconnect the very first time when reaching the breakdown threshold
Turn on the circuit again afterwards, and be again off when the running parameter still reaches the breakdown threshold circuit,
The circuit wherein is no longer turned on after n times turns on again, n is 1-5；Or, the control module, which is set to work as, reaches institute
The circuit reduction voltage is controlled when stating breakdown threshold, and continuation is dropped when the running parameter still reaches the breakdown threshold
Low-voltage, and after the running parameter persistently reaches second time of breakdown threshold, the control module control is described
Circuit disconnects.
The present invention also provides a kind of lampblack absorber, wherein, the lampblack absorber includes the electrostatic equipment.
The present invention also provides a kind of break down protecting method of electrostatic equipment, and the electrostatic equipment includes function part, wherein, institute
Stating method includes detecting the electrical parameter in the circuit of the electrostatic module, and when the function part is corresponding in the electrical parameter
When running parameter under working condition reaches the breakdown threshold of the function part, the circuit is set to disconnect or reduction voltage；Work as institute
State electrical parameter again be less than the breakdown threshold when, the circuit is resumed work.
Preferably, the voltage of the running parameter including the function part two ends, flow through the function part electric current, first
The voltage difference at the function part two ends in unit interval, flow through in the second unit interval in the difference between current of the function part at least
One.
Preferably, the circuit includes function part loop, and the function part loop includes being parallel to the branch of the function part
First resistor and high-tension resistive are in series with road, the branch road, methods described includes detecting the voltage at the first resistor two ends
Or flow through the electric current of the branch road.
Preferably, the electrostatic equipment includes being used for power supply and the power supply and the institute that voltage is provided to the function part
State the second resistance of function part circuit in series, methods described includes detecting the voltage at the second resistance two ends or flows through described the
The electric current of two resistance.
Preferably, methods described includes adjusting the output voltage of the power supply.
Preferably, methods described includes：The circuit is set to disconnect after the very first time again when reaching the breakdown threshold
The circuit is turned on, and the circuit is again off when the running parameter still reaches the breakdown threshold, wherein passing through
Cross n times again turn on after be no longer turned on the circuit, n is 1-5；Or, drop the circuit when reaching the breakdown threshold
Low-voltage, and continuation reduces voltage when the running parameter still reaches the breakdown threshold, and when the running parameter
Persistently reach after the time of breakdown threshold second, disconnect the circuit.
By above-mentioned technical proposal, the electrical parameter that can be detected by detection module effectively monitors the generation punctured, and
Then circuit is taken appropriate measures by control module, it is to avoid what is punctured recurs and thus caused infringement.
Brief description of the drawings
Fig. 1 is a kind of circuit theory diagrams for the embodiment for illustrating the electrostatic equipment of the present invention；
Fig. 2 is the stereogram that the electrostatic module of the present invention is the embodiment of discharge module；
Fig. 3 is the stereogram that the electrostatic module of the present invention is the embodiment of collection module；
Fig. 4 is a kind of stereogram of embodiment of the lampblack absorber of the present invention, and which show the partial interior of lampblack absorber
Structure.
Description of reference numerals
10- function parts, 20- circuits, 21- function parts loop, 22- main circuits, 30- first resistors, 40- power supplys, 50- second
Resistance, 60- discharge modules, 61- tip members, 62- battery lead plates, 70- collection modules, 71- positive plates, 72- negative plates, 80- frames,
90- Inlet Networks, 100- spiral cases, V1- first voltages probe, V2- second voltages probe, R- high-tension resistives.
Embodiment
In the present invention, in the case where not making opposite explanation, the noun of locality used is typically pin such as " upper and lower, top, bottom "
For direction shown in the drawings either for each part mutual alignment relation on vertical, vertical or gravity direction
Word is described.
Below with reference to the accompanying drawings and combine embodiment and describe the present invention in detail.
According to an aspect of the present invention there is provided a kind of electrostatic equipment, wherein, the electrostatic equipment include electrostatic module,
Detection module and control module, the electrostatic module include function part 10, and the detection module is used to detect the electrostatic module
Circuit 20 in electrical parameter and send signal to the control module, the control module is used for according to the detection module
Signal controls the work of the circuit 20, wherein, when the function part 10 is in the work of the corresponding working condition of the electrical parameter
When parameter is issued to the breakdown threshold of the function part 10, the control module controls the circuit 20 to disconnect or reduce voltage.
Using the electrostatic equipment of the present invention, the electrical parameter that can be detected by detection module effectively monitors the production punctured
It is raw, and then circuit is taken appropriate measures to return to not breakdown conditions by control module, it is to avoid the continuous hair punctured
Raw and thus caused infringement, for example, protect the tax-free electric arc of pole plate to injure and ensure the durability of associated components (such as power supply).
Specifically, detection module sends the signal of the electrical parameter of detection to control module, and control module is according to the signal
Judge whether electrical parameter running parameter of function part 10 under the corresponding working condition of the electrical parameter has reached breakdown threshold, when up to
During to breakdown threshold, control module control circuit 20 disconnects or reduced voltage, with defencive function portion 10, it is to avoid continue normal work
Sustained breakdown caused by voltage.Cause when puncturing only momentary surroundings factor, after circuit 20 disconnects or reduces voltage, electrical parameter
Normal (i.e. running parameter of the function part 10 under corresponding working state is less than breakdown threshold) will be recovered, then control module can be controlled
Circuit 20 processed recovers normal work.And when puncturing as sustained breakdown, reduction voltage can not also make electrical parameter recover normal, because
And, whether the type that can judge to puncture by continuing to detect electrical parameter (normally judges to be by the recovery of electrical parameter
Instantaneous breakdown or sustained breakdown).For reply sustained breakdown, present invention provides further preferred scheme, specifically see
Hereafter.
In addition, in the present invention, electrical parameter can select various appropriate types (such as voltage, electric current), and can be
Detected that the running parameter of function part 10 includes the voltage at the two ends of function part 10, stream in any appropriate location of circuit 20
Electric current through the function part 10, the voltage difference at the two ends of function part 10, stream in the second unit interval in the first unit interval
At least one of difference between current through the function part 10.Wherein, breakdown threshold is corresponding parameter, such as two ends of function part 10
Predeterminated voltage, flow through the predetermined current of the function part 10, in the first unit interval the two ends of function part 10 default electricity
Pressure difference, the predetermined current for flowing through the function part 10 in the second unit interval are poor.Predeterminated voltage and predetermined current can be function
The voltage or electric current at two ends when portion 10 punctures, it is preferable that when can be set to slightly below puncture by predeterminated voltage and predetermined current
The voltage or current value at the two ends of function part 10, to avoid puncturing true generation.Predeterminated voltage difference and predetermined current difference can bases
Need to set, puncture as long as can characterize.
Wherein, the voltage at the two ends of function part 10 and flow through function part 10 electric current can be directly obtained by detecting element or
Person is obtained by calculating, and is obtained especially by directly detecting the electrical parameter and passing through to calculate.
It is to be appreciated that because the voltage at the two ends of function part 10 is larger, thus it is not easy to directly detection.Therefore, in this hair
In a kind of bright embodiment, as shown in figure 1, the circuit 20 includes function part loop 21, the function part loop 21 includes
It is parallel on the branch road of the function part 10, the branch road and is in series with first resistor 30 and high-tension resistive R, the detection module is used
In detecting the voltage at the two ends of first resistor 30 or flow through the electric current of the branch road.For example, by detecting 30 liang of first resistor
The voltage at end, can calculate the voltage at high-tension resistive R two ends by the resistance ratio of first resistor 30 and high-tension resistive R,
It is hereby achieved that the voltage at the two ends of function part 10, so that the predeterminated voltage with the two ends of function part 10 is compared.Flowed through by detection
The electric current of branch road, can equally calculate the voltage for obtaining the two ends of function part 10.Wherein, by setting branch road, can easily it examine
Survey the voltage at divider resistance two ends, it is to avoid directly detect the larger voltage at the two ends of function part 10.
Preferably, as shown in figure 1, the electrostatic equipment include be used for the function part 10 provide voltage power supply 40,
The second resistance 50 connected with the power supply 40 and the function part loop 21, the detection module is used to detect second electricity
Hinder the voltage at 50 two ends or flow through the electric current of the second resistance 50.Specifically, power supply 40, function part loop 21 and second resistance
50 may be constructed main circuit 22, and circuit 20 includes function part loop 21 and main circuit 22.By detecting the two ends of second resistance 50
Voltage or electric current, can calculate the electric current for obtaining and flowing through function part 10, specific as follows.
Wherein, the detection module described in the voltage at detection first resistor 30 and/or the two ends of second resistance 50 can include using
In detection the both end voltage of first resistor 30 first voltage probe V1 and/or for detecting the both end voltage of second resistance 50 second
Voltage probe V2, to directly obtain associated voltage and obtain other electrical parameters by calculating.With reference to circuit shown in Fig. 1, say
The detection and calculating of bright each electrical parameter.Wherein, (resistance is defined as R to first resistor 301) where branch road be also in series with high-tension electricity
R (resistance is defined as R) is hindered, the electric current that definition flows through function part 10 is I0, the electric current for flowing through first resistor 30 and high-tension resistive R is
I1, the electric current for flowing through main circuit 22 is IAlways.First electricity can directly be detected by first voltage probe V1 and second voltage probe V2
Hinder 30 both end voltage U1With (resistance the is defined as R2) both end voltage of second resistance 50 U2, then IAlways=U2/R2, I1=U1/R1, and root
It can be calculated according to the proportionate relationship of first resistor 30 and high-tension resistive R resistance and obtain high-tension resistive R both end voltages UR, then function
The both end voltage U of portion 100=U1+UR, I0=IAlways-I1.The both end voltage U of function part 10 is obtained thus, it is possible to calculate0With electric current I0.On
Program can be written as and be run by control module by stating calculating.
In addition, the first unit interval and the second unit interval can be arranged as required to.In the present invention, by comparing first
The voltage difference at the two ends of function part 10 is flowed through with predeterminated voltage difference or by comparing in the second unit interval in unit interval
The difference between current of the function part 10 judges whether to puncture with predetermined current.Wherein, the function in the first unit interval
The voltage difference at the two ends of portion 10 represents the voltage difference at the two ends of function part 10 in any first unit interval；Similarly, the second unit
The difference between current that the function part 10 is flowed through in time represents to flow through the difference between current of the function part 10 in any second unit interval.
Thus, the present invention optionally can detect the electrical parameter on function part loop 21 and main circuit 22 to be punctured
Protection.For example, can be with as described above, the voltage at V1 detection first resistors 30 two ends of being popped one's head in by first voltage, control module be led to
Cross and compare the parameter of function part 10 and corresponding breakdown threshold (such as comparison work at present shape under the corresponding working condition of the voltage
Under state the both end voltage of function part 10 and when puncturing the two ends of function part 10 magnitude of voltage) judge whether to puncture and accordingly control
Work (such as break function portion loop 21 and/or the main circuit 22, or reduction function part loop 21 and/or main electricity of circuit 20
The voltage on road 22)；Selectively, the V2 that can be popped one's head in by second voltage detects the voltage at the two ends of second resistance 50, control module
Judge whether to puncture simultaneously by comparing the parameter and corresponding breakdown threshold of function part 10 under the corresponding working condition of the voltage
Control circuit 20 work (such as break function portion loop 21 and/or main circuit 22, or reduction function part loop 21 and/or
The voltage of main circuit 22)；For another example, first resistor can be detected by first voltage probe V1 and second voltage probe V2 respectively
30 and the voltage at the two ends of second resistance 50, control module passes through the work for comparing function part 10 under the corresponding working condition of voltage at two
Make parameter and corresponding breakdown threshold to judge whether to puncture and control the work of circuit 20 (when the corresponding work of any one voltage
Make function part 10 under state and reach corresponding breakdown threshold, control module can take protection to operate, for example：Break function portion is returned
Road 21 and/or main circuit 22, or reduce the voltage of function part loop 21 and/or main circuit 22).It should be understood that on state
Bright is the situation for comparing voltage, is readily applicable to compare other electrical parameters.
As described above, control module can when reaching breakdown threshold optionally disconnecting circuit 20 or reduction circuit 20
Voltage.For realize can be provided with the operation of disconnecting circuit 20, circuit 20 breaker that can be controlled by control module come
Realize opening operation.To realize the operation of reduction voltage, the power supply 40 is configured to adjust output voltage.So as to need
When carrying out reduced pressure operation, the output voltage of power supply 40 is reduced by control module, and power supply 40 is improved when recovering normal use
Output voltage.In addition, when being protected using disconnection mode, it can be to work as to reach the breakdown threshold that the control module, which is set,
When control the circuit 20 to turn on the circuit 20 again after disconnecting the very first time, and when the running parameter still reaches institute
The circuit 20 is again off when stating breakdown threshold, wherein being no longer turned on the circuit 20 after n times turns on again, n is 1-5
(n is natural number).By turning circuit 20 again and compare the running parameter of function part 10 under the corresponding working condition of electrical parameter
With corresponding breakdown threshold, the type punctured can be reasonably judged.Specifically, behind turning circuit 20 again for the first time, such as
Fruit electrical parameter recovers running parameter that is normal and making function part 10 and is less than breakdown threshold, then explanation punctures as instantaneous breakdown, again
Normal work can be recovered after turning circuit 20；Turned on again when by n times, if electrical parameter does not recover normal and makes function part
10 running parameter still reaches breakdown threshold, it is sufficient to illustrate to puncture for Continuous Breakdown, and control module answers thorough disconnecting circuit 20,
With defencive function portion 10 and it can check, safeguard whole device.Wherein, the very first time and n values can be arranged as required to, herein
Do not limit.
When being protected using decompression mode, the control module could be arranged to control institute when reaching the breakdown threshold
The reduction voltage of circuit 20 is stated, and continuation reduces voltage when the running parameter still reaches the breakdown threshold, and work as institute
State running parameter persistently to reach after the time of breakdown threshold second, the control module controls the circuit 20 to disconnect.Pass through
Repeatedly reduction voltage, can also rationally judge the type punctured.Specifically, after being depressured first time, if electrical parameter drops therewith
It is low to causing the running parameter of function part 10 to fall back to below breakdown threshold, then explanation punctures as instantaneous breakdown, predetermined in decompression
Voltage can be recovered after time (can be arranged as required to), so that circuit 20 is resumed work；When continuous decompression and electrical parameter not
Recover normal, persistently cause the running parameter of function part 10 to reach the time of breakdown threshold second, then explanation punctures to be continuous
Puncture, control module answers disconnecting circuit 20, with defencive function portion 10 and can check, safeguard whole device.Wherein, the second time
It can be arranged as required to, be not limited thereto.
In the present invention, control module can be compared according to the function part 10 for calculating acquisition about whether the judgement punctured
Running parameter and breakdown threshold, can also the running parameter of the directly electrical parameter of Determination and function part 10 reach breakdown threshold
When the corresponding electrical parameter value.
According to another aspect of the present invention there is provided a kind of lampblack absorber, wherein, the lampblack absorber includes the electrostatic dress of the present invention
Put, to carry out removal operation.Wherein, electrostatic module can be various appropriate types, for providing different functions.Example
Such as, electrostatic module can be used for the electric field that discharges or formed.
Specifically, the electrostatic module includes discharge module 60, and the function part 10 includes tip member 61 (such as stylus)
With battery lead plate 62, the circuit 20 includes discharge module circuit；And/or, the electrostatic module includes collection module 70, institute
Stating function part 10 includes positive plate 71 and negative plate 72, and the circuit 20 includes collection module circuit, wherein：The detection module
For detecting the electrical parameter in the discharge module circuit and/or collection module circuit, the control module is used for according to described
The signal of detection module controls the work of the discharge module circuit and/or collection module circuit.
More specifically, the electrostatic equipment of the present invention can be only used for discharging or producing electric field, electric discharge can also be included simultaneously
Module 60 and collection module 70.
When electrostatic equipment is only used for electric discharge, as shown in Fig. 2 electrostatic module is discharge module 60, function part 10 passes through
Tip member 61 and battery lead plate 62 discharge.Wherein it is possible to which tip member 61 and battery lead plate 62 to be connected to two with electrical potential difference respectively
Extremely come to implement point discharge by tip member 61.Alternatively, it is also possible to be provided for producing anion in electrostatic module
High voltage package simultaneously makes the high voltage package discharge electronics by tip member 61.The detection module is used to detect in the discharge module circuit
Electrical parameter, the control module is used for the work that the discharge module circuit is controlled according to the signal of the detection module.
During for lampblack absorber of the invention, discharge module 60 can make it that soot particles are powered by electric discharge, so as to later collection.
When electrostatic equipment is only used for producing electric field, as shown in figure 3, electrostatic module is collection module 70, function part 10
Electric field is produced by positive plate and negative plate.Wherein, positive plate and negative plate are connected respectively to the two poles of the earth with electrical potential difference to produce
Raw electric field.The detection module is used to detect the electrical parameter in the collection module circuit, and the control module is used for according to institute
The signal for stating detection module controls the work of described or collection module circuit.In the lampblack absorber for the present invention, collection module
70 can be collected into powered soot particles on corresponding pole plate by the electric field of generation, so as to remove the greasy dirt in flue gas.
(such as side of being preferable to carry out for the present invention when electrostatic equipment includes discharge module 60 and collection module 70 simultaneously
During the lampblack absorber of formula), the detection module is used to detect the electrical parameter in the discharge module circuit and collection module circuit, institute
State the work that control module is used to control the discharge module circuit and collection module circuit according to the signal of the detection module.
Wherein, discharge module 60 and collection module 70 can use each independent power supply, can also share a power supply and (for example discharge
Modular circuit and collection module circuit connected in series or parallel connection).Any one in discharge module 60 and collection module 70 is hit
When wearing, simultaneously the two can be controlled to be protected accordingly by control module.It is of course also possible to right respectively by control module
The two is protected.In the lampblack absorber for the preferred embodiment of the present invention, flow direction of the discharge module 60 along flue gas
The upstream of collection module 70 is arranged on, makes soot particles powered to first pass through the electric discharge of discharge module 60 when flue gas passes through,
And adsorbed when then by collection module 70 under electric field action on the pole plate of collection module 70, so as to be removed from flue gas
Greasy dirt.
In addition, as shown in figure 4, the lampblack absorber of the present invention also includes frame 80, Inlet Network 90 and blower fan, the Inlet Network
90th, blower fan and electrostatic equipment are respectively arranged in the frame 80, and the electrostatic equipment is arranged on the Inlet Network 90 and the wind
Between the spiral case 100 of machine, to maintain easily electrostatic equipment.
According to another aspect of the present invention there is provided a kind of break down protecting method of electrostatic equipment, the electrostatic equipment includes
Function part 10, wherein, methods described includes detecting the electrical parameter in the circuit 20 of the electrostatic module, and when the function part
10, when the running parameter of the corresponding working condition of the electrical parameter is issued to the breakdown threshold of the function part 10, make the electricity
Road 20 disconnects or reduced voltage.
In the method for the present invention, by detecting electrical parameter, the generation punctured can be effectively monitored, and then by electricity
Road takes appropriate measures to return to not breakdown conditions, it is to avoid what is punctured recurs and thus caused infringement, for example, protect
The tax-free electric arc of shield pole plate injures and ensures the durability of associated components (such as power supply).
Specifically, when reaching breakdown threshold, circuit 20 is made to disconnect or reduce voltage, with defencive function portion 10, it is to avoid after
Sustained breakdown caused by continuous normal working voltage.Cause when puncturing only momentary surroundings factor, electricity is disconnected or reduce in circuit 20
After pressure, electrical parameter will recover normal (i.e. running parameter of the function part 10 under corresponding working state is less than breakdown threshold), then may be used
So that circuit 20 recovers normal work.And when puncturing as sustained breakdown, reduction voltage can not also make electrical parameter recover normal, because
And, whether the type that can judge to puncture by continuing to detect electrical parameter (normally judges to be by the recovery of electrical parameter
Instantaneous breakdown or sustained breakdown).For reply sustained breakdown, present invention provides further preferred scheme, specifically see
Hereafter.
In the method for the present invention, electrical parameter can select various appropriate types (such as voltage, electric current), and can be
Detected that the running parameter of function part 10 includes the voltage at the two ends of function part 10, stream in any appropriate location of circuit 20
Electric current through the function part 10, the voltage difference at the two ends of function part 10, stream in the second unit interval in the first unit interval
At least one of difference between current through the function part 10.Wherein, breakdown threshold is corresponding parameter, such as two ends of function part 10
Predeterminated voltage, flow through the predetermined current of the function part 10, in the first unit interval the two ends of function part 10 default electricity
Pressure difference, the predetermined current for flowing through the function part 10 in the second unit interval are poor.Predeterminated voltage and predetermined current can be function
The voltage or electric current at two ends when portion 10 punctures, it is preferable that when can be set to slightly below puncture by predeterminated voltage and predetermined current
The voltage or current value at the two ends of function part 10, to avoid puncturing true generation.Predeterminated voltage difference and predetermined current difference can bases
Need to set, puncture as long as can characterize.
Wherein, the voltage at the two ends of function part 10 and flow through function part 10 electric current can be directly obtained by detecting element or
Person is obtained by calculating, and is obtained especially by directly detecting the electrical parameter and passing through to calculate.
It is to be appreciated that because the voltage at the two ends of function part 10 is larger, thus it is not easy to directly detection.Therefore, in this hair
In a kind of bright embodiment, the circuit 20 includes function part loop 21, and the function part loop 21 is described including being parallel to
First resistor 30 and high-tension resistive R are in series with the branch road of function part 10, the branch road, methods described includes detection described first
The voltage at the two ends of resistance 30 or the electric current for flowing through the branch road.By detecting the voltage at the two ends of first resistor 30, can be passed through
One resistance 30 and high-tension resistive R resistance ratio calculate the voltage at high-tension resistive R two ends, it is hereby achieved that function part 10
The voltage at two ends, so that the predeterminated voltage with the two ends of function part 10 is compared.The electric current of branch road is flowed through by detection, can equally be counted
Calculate the voltage for obtaining the two ends of function part 10.Wherein, by setting branch road, the voltage at divider resistance two ends can be easily detected,
Avoid the larger voltage at directly detection function part 10 two ends.
Preferably, the electrostatic equipment includes being used for the power supply 40 and the power supply that voltage is provided to the function part 10
40 and the second resistance 50 of the function part loop 21 series connection, methods described includes detecting the voltage at the two ends of second resistance 50
Or flow through the electric current of the second resistance 50.Specifically, power supply 40, function part loop 21 and second resistance 50 may be constructed main electricity
Road 22, circuit 20 includes function part loop 21 and main circuit 22., can be with by detecting the voltage or electric current at the two ends of second resistance 50
Calculate the electric current for obtaining and flowing through function part 10.It is specific as follows.
Wherein, the detection module described in the voltage at detection first resistor 30 and/or the two ends of second resistance 50 can include using
In detection the both end voltage of first resistor 30 first voltage probe V1 and/or for detecting the both end voltage of second resistance 50 second
Voltage probe V2, to directly obtain associated voltage and obtain other electrical parameters by calculating.With reference to circuit shown in Fig. 1, say
The detection and calculating of bright each electrical parameter.Wherein, (resistance is defined as R to first resistor 301) where branch road be also in series with high-tension electricity
R (resistance is defined as R) is hindered, the electric current that definition flows through function part 10 is I0, the electric current for flowing through first resistor 30 and high-tension resistive R is
I1, the electric current for flowing through main circuit 22 is IAlways.First electricity can directly be detected by first voltage probe V1 and second voltage probe V2
Hinder 30 both end voltage U1With (resistance the is defined as R2) both end voltage of second resistance 50 U2, then IAlways=U2/R2, I1=U1/R1, and root
It can be calculated according to the proportionate relationship of first resistor 30 and high-tension resistive R resistance and obtain high-tension resistive R both end voltages UR, then function
The both end voltage U of portion 100=U1+UR, I0=IAlways-I1.The both end voltage U of function part 10 is obtained thus, it is possible to calculate0With electric current I0。
In addition, the first unit interval and the second unit interval can be arranged as required to.In the present invention, by comparing first
The voltage difference at the two ends of function part 10 is flowed through with predeterminated voltage difference or by comparing in the second unit interval in unit interval
The difference between current of the function part 10 judges whether to puncture with predetermined current.Wherein, the function in the first unit interval
The voltage difference at the two ends of portion 10 represents the voltage difference at the two ends of function part 10 in any first unit interval；Similarly, the second unit
The difference between current that the function part 10 is flowed through in time represents to flow through the difference between current of the function part 10 in any second unit interval.
Thus, the present invention optionally can detect the electrical parameter on function part loop 21 and main circuit 22 to be punctured
Protection.For example, can be with as described above, the voltage at V1 detection first resistors 30 two ends of being popped one's head in by first voltage, be somebody's turn to do by comparing
The parameter of function part 10 and corresponding breakdown threshold (for example compare function under current operating state under the corresponding working condition of voltage
The both end voltage of portion 10 and when puncturing the two ends of function part 10 magnitude of voltage) judge whether to puncture and control the work of circuit 20
(such as break function portion loop 21 and/or main circuit 22, or reduce the voltage of function part loop 21 and/or main circuit 22)；
Selectively, the V2 that can be popped one's head in by second voltage detects the voltage at the two ends of second resistance 50, corresponding by comparing the voltage
The parameter of function part 10 and corresponding breakdown threshold judge whether to puncture and control the work of circuit 20 (for example under working condition
Break function portion loop 21 and/or main circuit 22, or reduce the voltage of function part loop 21 and/or main circuit 22)；Compare again
Such as, first resistor 30 and the two ends of second resistance 50 can be detected by first voltage V1 and the second voltage V2 that pops one's head in that pops one's head in respectively
Voltage, is judged by the running parameter of function part 10 under the corresponding working condition of voltage at comparison two with corresponding breakdown threshold
Whether puncture and control the work of circuit 20 (when function part 10 reaches and hit accordingly under the corresponding working condition of any one voltage
Wear threshold value, you can take protection to operate, for example：Break function portion loop 21 and/or main circuit 22, or reduction function part loop
21 and/or the voltage of main circuit 22).It should be understood that described above is the situation for comparing voltage, ratio is readily applicable to
To other electrical parameters.
As set forth above, it is possible to when reaching breakdown threshold optionally disconnecting circuit 20 or reduce circuit 20 voltage.For
The breaker that can control can be provided with to realize opening operation by realizing on the operation of disconnecting circuit 20, circuit 20.To realize
The operation of voltage is reduced, methods described includes adjusting the output voltage of the power supply 40, so that when needing to carry out reduced pressure operation,
The output voltage of power supply 40 is reduced, and improves when recovering normal use the output voltage of power supply 40.
In addition, when being protected using disconnection mode, methods described includes：Make the circuit when reaching the breakdown threshold
The circuit 20 is turned on again after the 20 disconnection very first times, and when the running parameter still reaches the breakdown threshold again
Secondary to disconnect the circuit 20, wherein being no longer turned on the circuit 20 after n times turns on again, n is 1-5 (n is natural number).It is logical
Cross turning circuit 20 again and compare under the corresponding working condition of electrical parameter the running parameter of function part 10 and puncture threshold accordingly
Value, can reasonably judge the type punctured.Specifically, behind turning circuit 20 again for the first time, if electrical parameter recovers just
Often, and the running parameter of function part 10 is made to be less than breakdown threshold, then explanation punctures as instantaneous breakdown, again can after turning circuit 20
To recover normal work；Turned on again when by n times, if electrical parameter does not recover running parameter that is normal and making function part 10 also
It is to reach breakdown threshold, it is sufficient to illustrate to puncture for Continuous Breakdown, answer thorough disconnecting circuit 20, with defencive function portion 10 and can examines
Look into, safeguard whole device.Wherein, the very first time and n values can be arranged as required to, and not limited herein.
When being protected using decompression mode, methods described includes：Drop the circuit 20 when reaching the breakdown threshold
Low-voltage, and continuation reduces voltage when the running parameter still reaches the breakdown threshold, and when the running parameter
Persistently reach after the time of breakdown threshold second, disconnect the circuit 20.By repeatedly reducing voltage, can also rationally it sentence
The disconnected type punctured.Specifically, after being depressured first time, if electrical parameter decreases the running parameter for causing function part 10
Fall back to below breakdown threshold, then explanation punctures as instantaneous breakdown, can after the decompression scheduled time (can be arranged as required to)
To recover voltage, so that circuit 20 is resumed work；When continuous decompression, electrical parameter does not recover normal, persistently causes function part 10
Running parameter reaches the time of breakdown threshold second, then explanation punctures as Continuous Breakdown, disconnecting circuit 20 is answered, with defencive function
Portion 10 simultaneously can check, safeguard whole device.Wherein, the second time can be arranged as required to, and be not limited thereto.
In the present invention, about whether the judgement punctured, the running parameter of the function part 10 obtained according to calculating can be compared
And breakdown threshold, can also the directly electrical parameter of Determination and function part 10 running parameter reach it is corresponding during breakdown threshold
The value of the electrical parameter.
The preferred embodiment of the present invention is described in detail above in association with accompanying drawing, still, the present invention is not limited thereto.At this
In the range of the technology design of invention, a variety of simple variants can be carried out to technical scheme, the present invention includes each tool
Body technique feature is combined in any suitable manner.In order to avoid unnecessary repetition, the present invention is to various possible groups
Conjunction mode no longer separately illustrates.But these simple variants and combination should equally be considered as content disclosed in this invention, belong to
Protection scope of the present invention.
Claims (14)
1. a kind of electrostatic equipment, it is characterised in that the electrostatic equipment includes electrostatic module, detection module and control module, institute
Stating electrostatic module includes function part (10), and the detection module is used to detect the electrical parameter in the circuit (20) of the electrostatic module
And signal is sent to the control module, the control module is used to control the circuit according to the signal of the detection module
(20) work, wherein：When running parameter of the function part (10) under the corresponding working condition of the electrical parameter reaches institute
When stating the breakdown threshold of function part (10), the control module controls the circuit (20) to disconnect or reduction voltage.
2. electrostatic equipment according to claim 1, it is characterised in that the running parameter includes the function part (10) two
The voltage at end, the electric current for flowing through the function part (10), the voltage difference at function part (10) two ends, in the first unit interval
At least one of difference between current of the function part (10) is flowed through in two unit interval.
3. electrostatic equipment according to claim 2, it is characterised in that the circuit (20) includes function part loop (21),
The function part loop (21), which includes being parallel on the branch road of the function part (10), the branch road, is in series with first resistor (30)
With high-tension resistive (R), the detection module is used to detect the voltage at the first resistor (30) two ends or flows through the branch road
Electric current.
4. electrostatic equipment according to claim 3, it is characterised in that the electrostatic equipment includes being used for the function part
(10) second resistance (50) for provide the power supply (40) of voltage, connecting with the power supply (40) and the function part loop (21),
The detection module is used to detect the voltage at the second resistance (50) two ends or flows through the electric current of the second resistance (50).
5. electrostatic equipment according to claim 4, it is characterised in that the detection module includes being used to detect described first
The first voltage probe (V1) of resistance (30) both end voltage and/or second for detecting the second resistance (50) both end voltage
Voltage probe (V2)；And/or, the power supply (40) is configured to adjust output voltage.
6. electrostatic equipment according to claim 1, it is characterised in that the electrostatic module includes discharge module (60), institute
Stating function part (10) includes tip member (61) and battery lead plate (62), and the circuit (20) includes discharge module circuit；And/or
Person, the electrostatic module includes collection module (70), and the function part (10) includes positive plate (71) and negative plate (72), described
Circuit (20) includes collection module circuit, wherein：The detection module is used to detect the discharge module circuit and/or collects mould
Electrical parameter in block circuit, the control module is used to control the discharge module circuit according to the signal of the detection module
And/or the work of collection module circuit.
7. the electrostatic equipment according to any one in claim 1-6, it is characterised in that the control module is set to work as
Control the circuit (20) to turn on the circuit (20) again after disconnecting the very first time when reaching the breakdown threshold, and work as institute
State and the circuit (20) is again off when running parameter still reaches the breakdown threshold, wherein after n times turns on again not
The circuit (20) is turned on again, and n is 1-5；Or, it is described that the control module is set to the control when reaching the breakdown threshold
Circuit (20) reduces voltage, and continuation reduces voltage when the running parameter still reaches the breakdown threshold, and works as institute
State running parameter persistently to reach after the time of breakdown threshold second, the control module controls the circuit (20) to disconnect.
8. a kind of lampblack absorber, it is characterised in that the lampblack absorber includes the electrostatic dress described in any one in claim 1-7
Put.
9. a kind of break down protecting method of electrostatic equipment, the electrostatic equipment includes function part (10), it is characterised in that the side
Method includes detecting the electrical parameter in the circuit (20) of the electrostatic module, and when the function part (10) is in the electrical parameter pair
When running parameter under the working condition answered reaches the breakdown threshold of the function part (10), the circuit (20) is set to disconnect or drop
Low-voltage；When the electrical parameter is less than the breakdown threshold again, the circuit (20) is set to resume work.
10. the break down protecting method of electrostatic equipment according to claim 9, it is characterised in that the running parameter includes
Voltage, the electric current for flowing through the function part (10), the function part in the first unit interval at function part (10) two ends
(10) voltage difference at two ends, at least one of difference between current of the function part (10) is flowed through in the second unit interval.
11. the break down protecting method of electrostatic equipment according to claim 10, it is characterised in that the circuit (20) includes
Function part loop (21), the function part loop (21), which includes being parallel on the branch road of the function part (10), the branch road, to be gone here and there
First resistor (30) and high-tension resistive (R) are associated with, methods described includes detecting the voltage or stream at first resistor (30) two ends
Electric current through the branch road.
12. the break down protecting method of electrostatic equipment according to claim 11, it is characterised in that the electrostatic equipment includes
For providing the power supply (40) of voltage to the function part (10), being connected with the power supply (40) and the function part loop (21)
Second resistance (50), methods described includes detecting the voltage at second resistance (50) two ends or flows through the second resistance
(50) electric current.
13. the break down protecting method of electrostatic equipment according to claim 12, it is characterised in that methods described includes regulation
The output voltage of the power supply (40).
14. the break down protecting method of the electrostatic equipment according to any one in claim 9-13, it is characterised in that described
Method includes：The circuit (20) is set to turn on the circuit again after disconnecting the very first time when reaching the breakdown threshold
(20) circuit (20), and when the running parameter still reaches the breakdown threshold is again off, wherein by n times
The circuit (20) is no longer turned on after turning on again, n is 1-5；Or, the circuit (20) is made when reaching the breakdown threshold
Voltage is reduced, and continuation reduces voltage when the running parameter still reaches the breakdown threshold, and when work ginseng
Number was persistently reached after the time of breakdown threshold second, disconnected the circuit (20).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710210915.9A CN106970274B (en) | 2017-03-31 | 2017-03-31 | The break down protecting method of electrostatic equipment, kitchen ventilator and electrostatic equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710210915.9A CN106970274B (en) | 2017-03-31 | 2017-03-31 | The break down protecting method of electrostatic equipment, kitchen ventilator and electrostatic equipment |
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| Publication Number | Publication Date |
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| CN106970274A true CN106970274A (en) | 2017-07-21 |
| CN106970274B CN106970274B (en) | 2019-09-06 |
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| Application Number | Title | Priority Date | Filing Date |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI693365B (en) * | 2018-11-23 | 2020-05-11 | 倍源電機股份有限公司 | Live detection device applied to the shell of kitchen ventilator |
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| CN105750087A (en) * | 2016-04-06 | 2016-07-13 | 珠海格力电器股份有限公司 | Air purifier, and dust deposition prevention device and method thereof |
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| CN2738139Y (en) * | 2004-10-20 | 2005-11-02 | 刘利 | High frequency kitchen fumes purifier |
| CN105032614A (en) * | 2015-08-27 | 2015-11-11 | 宁波方太厨具有限公司 | High-voltage static cooking fume removing device |
| CN105423391A (en) * | 2015-12-21 | 2016-03-23 | 宁波方太厨具有限公司 | Static oil fume purifying device and range hood applying same |
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| TWI693365B (en) * | 2018-11-23 | 2020-05-11 | 倍源電機股份有限公司 | Live detection device applied to the shell of kitchen ventilator |
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| Publication number | Publication date |
|---|---|
| CN106970274B (en) | 2019-09-06 |
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Effective date of registration: 20221222 Address after: 241000 west side of 3 / F, No.5 office building, new energy and new materials gathering area, Fuzhou Road, Jiangbei District, Wuhu City, Anhui Province Patentee after: Wuhu Midea intelligent kitchen electricity Manufacturing Co.,Ltd. Address before: 528311 Yongan Road, Beijiao Town, Shunde District, Foshan, Guangdong 6 Patentee before: GUANGDONG MIDEA KITCHEN APPLIANCES MANUFACTURING Co.,Ltd. Patentee before: MIDEA GROUP Co.,Ltd. |
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