CN106130330B - A kind of high-pressure modular guard method, device and the air purifier of air purifier - Google Patents

A kind of high-pressure modular guard method, device and the air purifier of air purifier Download PDF

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Publication number
CN106130330B
CN106130330B CN201610489483.5A CN201610489483A CN106130330B CN 106130330 B CN106130330 B CN 106130330B CN 201610489483 A CN201610489483 A CN 201610489483A CN 106130330 B CN106130330 B CN 106130330B
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China
Prior art keywords
pressure modular
voltage
humidity
pressure
voltage value
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CN106130330A (en
Inventor
杨英健
胡逢亮
倪林海
覃彬
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/32—Means for protecting converters other than automatic disconnection
    • 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
    • H02H7/10—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 converters; for rectifiers
    • H02H7/12—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 converters; for rectifiers for static converters or rectifiers
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/0003—Details of control, feedback or regulation circuits

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electrostatic Separation (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
  • Air Conditioning Control Device (AREA)
  • Drying Of Gases (AREA)

Abstract

The invention discloses high-pressure modular guard method, device and the air purifiers of a kind of air purifier, this method comprises: obtaining the feedback voltage of times die block of the high-pressure modular；When the feedback voltage is consistently less than preset a reference value in preset duration, determine that the high-pressure modular breaks down；Based on the failure, when the high-pressure modular is in voltage mode conversion process, if the output voltage of the high-pressure modular is greater than preset first high-voltage value, the output voltage of the high-pressure modular is reduced to first high-voltage value.The solution of the present invention can overcome in the prior art the defects of misuse rate is high, reliability is low and poor user experience, realize the beneficial effect that misuse rate is low, high reliablity and user experience are good.

Description

A kind of high-pressure modular guard method, device and the air purifier of air purifier
Technical field
The invention belongs to air purifier technical fields, and in particular to a kind of high-pressure modular protection side of air purifier A kind of judgement of the Protection of arcing of method, device and air purifier more particularly to high-pressure modular suitable for air purifier and place Manage method, apparatus and the air purifier with the device.
Background technique
Air purifier, can adsorb, decompose or convert various air pollutants (such as: it is PM2.5, dust, pollen, different Finishing pollution, bacterium, anaphylactogen of taste, formaldehyde etc etc.), effectively improve air cleanliness.Exist to solve air purifier The problem of puncturing between the environment mesohigh electrode (such as: high pressure positive electrode and high pressure negative electrode) of high humility and high humility Environment mesohigh electrode and neighbouring material between climb the problem of electricity, the mode for generalling use detection humidity adjusts high-pressure modular The mode of output voltage solve such technical problem.
However, high-pressure modular needs the regular hour to complete the process that low pressure increases pressure.If it is longer that voltage increases needs At this moment time then has already appeared spark phenomenon, high-pressure modular needs stop working at this time, so as to avoid an accident, to be easy to draw Play mistakenly stop machine.
In the prior art, the defects of that there are misuse rates is high, reliability is low and poor user experience.
Summary of the invention
It is an object of the present invention in view of the foregoing drawbacks, provide high-pressure modular guard method, the dress of a kind of air purifier It sets and air purifier is reached with solving the problems, such as the phenomenon that being easy to produce sparking in voltage mode conversion process in the prior art To the effect for reducing misuse rate.
The present invention provides a kind of high-pressure modular guard method of air purifier, comprising: obtains times of the high-pressure modular The feedback voltage of die block；When the feedback voltage is consistently less than preset a reference value in preset duration, the height is determined Die block breaks down；Based on the failure, when the high-pressure modular is in voltage mode conversion process, if the high pressing mold The output voltage of block is greater than preset first high-voltage value, then the output voltage of the high-pressure modular is reduced to first high pressure Value.
Optionally, after the output voltage of the high-pressure modular being reduced to first high-voltage value, further includes: described in determining After the output voltage of high-pressure modular is reduced to first high-voltage value, if still there is the failure in the high-pressure modular, First timer counter is carried out to the number of the failure still occurred, obtains the first cumulative number；When first timing Between when reaching described in the first cumulative number when being discontented with the first preset times, eliminate first cumulative number；When described first fixed When the time when reaching described in the first cumulative number when having expired first preset times, close the high-pressure modular.
Optionally, the output voltage of the high-pressure modular is reduced to first high-voltage value, comprising: when the air is net When the humidity for changing device local environment is damp state, directly make the high-pressure modular by preset damp state the first high-voltage value mode output electricity Pressure, i.e., be reduced to first high-voltage value for the output voltage of the high-pressure modular.
Optionally, the output voltage of the high-pressure modular is reduced to first high-voltage value, further includes: when the air When the humidity of clarifier local environment is high humidity, the high-pressure modular default is by preset high humidity the second high-voltage value mode output electricity Pressure；Under the second high-voltage value of high humidity mode, the second timer counter is carried out when the failure occurs in the high-pressure modular；When When the second cumulative number that second timer counter obtains reaches the second preset times, it is reduced to the high-pressure modular default High humidity the first high-voltage value mode output voltage, i.e., the output voltage of the high-pressure modular is reduced to first high-voltage value.
Optionally, the output voltage of the high-pressure modular is reduced to first high-voltage value, further includes: when the air When the humidity of clarifier local environment is non-high humidity, the high-pressure modular default is defeated by preset non-high humidity third high-voltage value mode Voltage out；Under the non-high humidity third high-voltage value mode, the second timer counter is carried out when the high-pressure modular breaks down； When the second cumulative number that second timer counter obtains reaches the second preset times, it is reduced to the high-pressure modular pre- If non-high humidity the second high-voltage value mode output voltage；Under non-the second high-voltage value of high humidity mode, when the high-pressure modular The second timer counter is carried out when failure；When the second cumulative number that second timer counter obtains reaches second default time When number, then the high-pressure modular is made to be reduced to preset the first high-voltage value of non-high humidity mode output voltage, i.e., by the high pressing mold The output voltage of block is reduced to first high-voltage value.
Optionally, further includes: the failure is based on, when the high-pressure modular is in voltage mode conversion process and described defeated Voltage is in start-up course, the high-pressure modular in normal operation no more than first high-voltage value, the high-pressure modular out When at least one of process, the high-pressure modular is closed.
Optionally, after closing the high-pressure modular, further includes: the high-pressure modular is restarted in delay.
Optionally, delay restart the high-pressure modular, comprising: when the high-pressure modular be in voltage mode handoff procedure or It is the output voltage of damp state and the high-pressure modular by the humidity of the air purifier local environment when normal course of operation For the initial launch mode of the first high-voltage value, delay is carried out to the high-pressure modular and is restarted；Later, according to the wet of the environment Degree, in the voltage mode conversion process, by the output voltage of the high-pressure modular, by the damp state the of the initial launch mode One high-voltage value, delay switching are the correspondence high-voltage value of the humidity.
Optionally, the failure, comprising: at least one of sparking, short circuit；And/or first timing is greater than institute State the second timing；And/or first preset times are greater than second preset times；And/or eliminate described first Cumulative number, comprising: close the air purifier, eliminate the cumulative number；And/or the high-pressure modular is closed, it wraps It includes: closing the PWM output of the high-pressure modular, close the high-pressure modular.
Matching with the above method, another aspect of the present invention provides a kind of high-pressure modular protective device of air purifier, It include: acquiring unit, the feedback voltage of times die block for obtaining the high-pressure modular；Determination unit, for when described anti- When feedthrough voltage is consistently less than preset a reference value in preset duration, determine that the high-pressure modular breaks down；Pressure unit is used In being based on the failure, when the high-pressure modular is in voltage mode conversion process, if the output voltage of the high-pressure modular Greater than preset first high-voltage value, then the output voltage of the high-pressure modular is reduced to first high-voltage value.
Optionally, further includes: fault processing unit, for determining that it is described that the output voltage of the high-pressure modular is reduced to After first high-voltage value, if the failure still occurs in the high-pressure modular, the number of the failure still occurred is carried out First timer counter obtains the first cumulative number；The fault processing unit is also used to when first timing reaches When first cumulative number is discontented with the first preset times, first cumulative number is eliminated；The fault processing unit, is also used When the first cumulative number described in when first timing reaches has expired first preset times, the high pressure is closed Module.
Optionally, pressure unit, comprising: damp state voltage reduction module, for working as the humidity of the air purifier local environment When for damp state, directly make the high-pressure modular by preset damp state the first high-voltage value mode output voltage, i.e., by the high pressing mold The output voltage of block is reduced to first high-voltage value.
Optionally, pressure unit, further includes: high humidity voltage reduction module, for working as the wet of the air purifier local environment When degree is high humidity, the high-pressure modular default presses preset the second high-voltage value of high humidity mode output voltage；In the high humidity second Under high-voltage value mode, the second timer counter is carried out when the failure occurs in the high-pressure modular；The high humidity voltage reduction module, also When the second cumulative number for obtaining when second timer counter reaches the second preset times, reduce the high-pressure modular To preset the first high-voltage value of high humidity mode output voltage, i.e., the output voltage of the high-pressure modular is reduced to described first high Pressure value.
Optionally, pressure unit, further includes: non-high humidity voltage reduction module, for when the air purifier local environment When humidity is non-high humidity, the high-pressure modular default presses preset non-high humidity third high-voltage value mode output voltage；Described non- Under high humidity third high-voltage value mode, the second timer counter is carried out when the high-pressure modular breaks down；The non-high humidity decompression Module is also used to make the high pressure when the second cumulative number that second timer counter obtains reaches the second preset times Module is reduced to preset the second high-voltage value of non-high humidity mode output voltage；Under non-the second high-voltage value of high humidity mode, when The high-pressure modular carries out the second timer counter when breaking down；The non-high humidity voltage reduction module is also used to when described second is fixed When the second cumulative number for counting to get when reaching the second preset times, then the high-pressure modular is made to be reduced to preset non-high humidity First high-voltage value mode output voltage, i.e., be reduced to first high-voltage value for the output voltage of the high-pressure modular.
Optionally, further includes: closing unit, for being based on the failure, when the high-pressure modular turns in voltage mode It changes process and the output voltage is not more than first high-voltage value, the high-pressure modular is in start-up course, the high pressing mold When block is at least one of normal course of operation, the high-pressure modular is closed.
Optionally, further includes: unit is restarted in delay, restarts the high-pressure modular for being delayed.
Optionally, unit is restarted in delay, comprising: setup module, for being in voltage mode switching when the high-pressure modular It is the defeated of damp state and the high-pressure modular by the humidity of the air purifier local environment when process or normal course of operation Voltage is the initial launch mode of the first high-voltage value out, carries out delay to the high-pressure modular and restarts；Later, boost module is used In the humidity according to the environment, in the voltage mode conversion process, by the output voltage of the high-pressure modular, by described first The first high-voltage value of damp state of the beginning method of operation, delay switching are the correspondence high-voltage value of the humidity.
Optionally, the failure, comprising: at least one of sparking, short circuit；And/or first timing is greater than institute State the second timing；And/or first preset times are greater than second preset times；And/or eliminate described first Cumulative number, comprising: close the air purifier, eliminate the cumulative number；And/or the high-pressure modular is closed, it wraps It includes: closing the PWM output of the high-pressure modular, close the high-pressure modular.
Match with above-mentioned apparatus, further aspect of the present invention provides a kind of air purifier, comprising: above-described air The high-pressure modular protective device of clarifier.
The solution of the present invention can be directed to by carrying out decompression processing when high pressure mode voltage output is judged as sparking The phenomenon that being easy to produce sparking in the voltage mode conversion process of air purifier high-pressure modular effectively locates Protection of arcing Reason.
Further, the solution of the present invention, after carrying out decompression processing when high pressure mode voltage output is judged as sparking, Sparking number is counted, if counting discontented preset times when interval time is more than preset time, eliminates cumulative number, High-pressure modular can be made to stop working to avoid being mistaken for striking sparks.
Further, the solution of the present invention by the sparking or short-circuit protection when high-pressure modular starts and operates normally When Protection of arcing, can be further improved air purifier operation when reliability and safety.
The solution of the present invention as a result, is solved by carrying out decompression processing when high pressure mode voltage output is judged as sparking The problem of the phenomenon that being easy to produce sparking in voltage mode conversion process in the prior art, thus, overcome and accidentally grasps in the prior art Make that rate is high, reliability is low and the defect of poor user experience, realizes the beneficial effect that misuse rate is low, high reliablity and user experience are good Fruit.
Other features and advantages of the present invention will be illustrated in the following description, also, partly becomes from specification It obtains it is clear that understand through the implementation of the invention.
Below by drawings and examples, technical scheme of the present invention will be described in further detail.
Detailed description of the invention
Fig. 1 is the flow chart of an embodiment of the high-pressure modular guard method of air purifier of the invention；
Fig. 2 is the flow chart of an embodiment of troubleshooting in method of the invention；
Fig. 3 is the flow chart of an embodiment of high humidity decompression processing in method of the invention；
Fig. 4 is the flow chart of an embodiment of non-high humidity decompression processing in method of the invention；
Fig. 5 is the flow chart of an embodiment of delay reboot process in method of the invention；
Fig. 6 is the structural schematic diagram of an embodiment of the high-pressure modular protective device of air purifier of the invention.
In conjunction with attached drawing, appended drawing reference is as follows in the embodiment of the present invention:
102- acquiring unit；104- determination unit；106- pressure unit；1062- tide state voltage reduction module；1064- high humidity drop Die block；The non-high humidity voltage reduction module of 1066-；108- fault processing unit；110- closing unit；Unit is restarted in 112- delay； 1122- setup module；1124- boost module.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with the specific embodiment of the invention and Technical solution of the present invention is clearly and completely described in corresponding attached drawing.Obviously, described embodiment is only the present invention one Section Example, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not doing Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.
According to an embodiment of the invention, providing a kind of high-pressure modular guard method of air purifier, as shown in Figure 1 originally The flow chart of one embodiment of the method for invention.The high-pressure modular guard method of the air purifier may include:
At step S110, the feedback voltage of times die block of the high-pressure modular is obtained.
In one example, high-pressure modular may include high voltage control sections, boosting part and laminate section again.Times die block Times laminate section i.e. in high-pressure modular.
Such as: in voltage mode conversion process, high-pressure modular needs the regular hour to complete the mistake that low pressure increases pressure Journey.
Such as: the multiplication of voltage module feedback voltage of low-voltage needs the regular hour, can just be switched to times of high pressure mode Die block feedback voltage.
Such as: the feedback voltage of the high-pressure modular can be obtained by voltage sensor.
As a result, by obtaining the feedback voltage of times die block, the voltage of the high-pressure modular is obtained with can be convenient Information, acquisition modes are easy, and it is high to obtain result reliability.
At step S120, when the feedback voltage is consistently less than preset a reference value in preset duration, institute is determined State high-pressure modular failure.
Optionally, the failure may include: at least one of sparking, short circuit.Pass through the specific failure such as sparking, short circuit Processing, the high-pressure modular reliability of operation and safety can be improved.
Such as: in the voltage mode conversion process of air purifier high-pressure modular, the phenomenon that being easy to produce sparking.
As a result, by determining that the high-pressure modular breaks down when the feedback voltage is lower than a reference value, judgement Mode is reliable, and judging result accuracy is good.
At step S130, it is based on the failure, when the high-pressure modular is in voltage mode conversion process, if described The output voltage of high-pressure modular is greater than preset first high-voltage value, then the output voltage of the high-pressure modular is reduced to described the One high-voltage value.
Such as: in voltage mode conversion process, if the long period (such as: 30ms) lower than a times feedback for die block setting The a reference value U0 of voltage carries out reducing output voltage processing then it is believed that having already appeared spark phenomenon.
Such as: in high tension voltage output (being greater than 6KV) judgement sparking, carry out reducing voltage output processing first.
As a result, by High voltage output voltage break down when carry out reduce output voltage processing, processing mode safety, can It leans on, and will not influence the normal use of the air purifier, hommization is good.
In an optional example, in step s 130, the output voltage of the high-pressure modular is reduced to described first High-voltage value may include: reduction processing when carrying out damp state to the output voltage of the high-pressure modular.
In one example, what the reduction when output voltage to the high-pressure modular of step S130 carries out damp state was handled Detailed process, may include: when the humidity of the air purifier local environment is damp state, directly make the high-pressure modular by Preset tide state the first high-voltage value mode output voltage, i.e., be reduced to first high pressure for the output voltage of the high-pressure modular Value.
Such as: 6KV voltage output is directly entered into after damp morphotype formula referring to example shown in table 1.If there is again The continuous 30ms of die block feedback voltage is lower than the situation of a reference value U0, and normal operation Protection of arcing is shown in specific processing.In turn, in height Under wet 6KV mode, there is the situation that the continuous 30ms of multiplication of voltage module feedback voltage is lower than a reference value U0, normal operation is shown in specific processing Protection of arcing.
Such as: when turning low-voltage by high pressure mode, U0 a reference value directly switches.
Such as: when by high humidity 15KV mode change of tide state 6KV mode, a reference value of U0 is directly switched to 0.287V by 1.11V.
Reduction when carrying out damp state by output voltage to the high-pressure modular as a result, is handled, can it is more efficient, more may be used The safety of high-pressure modular when safeguarding damp state by ground.
In an optional example, in step s 130, the output voltage of the high-pressure modular is reduced to described first High-voltage value may include: reduction processing when carrying out high humidity to the output voltage of the high-pressure modular.
Below with reference to the flow chart of an embodiment of high humidity decompression processing in method of the invention shown in Fig. 3, furtherly The detailed process that reduction when the output voltage to the high-pressure modular of bright step S130 carries out high humidity is handled.
Step S310, when the humidity of the air purifier local environment is high humidity, the high-pressure modular default is by pre- If high humidity the second high-voltage value mode output voltage；Under the second high-voltage value of high humidity mode, when the high-pressure modular occurs The second timer counter is carried out when the failure.
Step S320 makes institute when the second cumulative number that second timer counter obtains reaches the second preset times It states high-pressure modular and is reduced to preset the first high-voltage value of high humidity mode output voltage, i.e., by the output voltage drop of the high-pressure modular Down to first high-voltage value.
Such as: referring to example shown in table 1, into after high humidity mode, default presses high humidity 15KV mode output voltage.In height Under wet 15KV mode, if continuous 30ms detects that multiplication of voltage module feedback voltage lower than U0, adds up primary fault, has reached After number of stoppages N0, into high humidity 6KV mode.
Reduction when carrying out high humidity by the output voltage to the high-pressure modular as a result, is handled, and can more precisely, more be pacified The step pressure reducing of high-pressure modular output voltage when high humidity is realized entirely, and reliability is available to be ensured well.
In an optional example, in step s 130, the output voltage of the high-pressure modular is reduced to described first High-voltage value may include: reduction processing when carrying out non-high humidity to the output voltage of the high-pressure modular.
Below with reference to the flow chart of an embodiment of high humidity non-in method of the invention shown in Fig. 4 decompression processing, further Illustrate the detailed process of the reduction processing when output voltage to the high-pressure modular of step S130 carries out non-high humidity.
Step S410, when the humidity of the air purifier local environment is non-high humidity, the high-pressure modular default is pressed Preset non-high humidity third high-voltage value mode output voltage；Under the non-high humidity third high-voltage value mode, when the high pressing mold Block carries out the second timer counter when breaking down.
In one example, from low to high from humidity, can successively be divided into: non-high humidity < 70%, high humidity 70%~85%, This 3 stages of damp state > 80%.
Such as: referring to example shown in table 1, into after non-high humidity mode, default presses non-high humidity 18KV mode output voltage. Under non-high humidity 18KV mode, if continuous 30ms detects that multiplication of voltage module feedback voltage lower than a reference value U0, adds up primary Failure.
Step S420 makes institute when the second cumulative number that second timer counter obtains reaches the second preset times It states high-pressure modular and is reduced to preset the second high-voltage value of non-high humidity mode output voltage；In non-the second high-voltage value of high humidity mode Under, the second timer counter is carried out when the high-pressure modular breaks down.
Such as: referring to example shown in table 1, after having reached number of stoppages N0, into non-high humidity 16KV mode.In non-height Under wet 16KV mode, if continuous 30ms detects multiplication of voltage module feedback voltage lower than U0.
Step S430 when the second cumulative number that second timer counter obtains reaches the second preset times, then makes The high-pressure modular is reduced to preset the first high-voltage value of non-high humidity mode output voltage, i.e., by the output electricity of the high-pressure modular Pressure drop is down to first high-voltage value.
Such as: referring to example shown in table 1, after having reached number of stoppages N0, into non-high humidity 15KV mode.In non-height Under wet 15KV mode, if continuous 30ms detects that multiplication of voltage module feedback voltage lower than a reference value U0, has reached the number of stoppages After N0, into non-high humidity 6KV mode.
Table 1: different mode voltage U0 and number of stoppages N0 value (such as: N0 can with value be 1~3).
Reduction processing when non-high humidity is carried out by the output voltage to the high-pressure modular as a result, it can more precisely, more It is reliably achieved the step pressure reducing of high-pressure modular output voltage when non-high humidity, the available very big promotion of safety, user The experience used is also more preferably.
It can also include: by the output electricity of the high-pressure modular after step s 130 in an optional embodiment Pressure drop is down to the fault treating procedure after first high-voltage value.
Below with reference to the flow chart of an embodiment of troubleshooting in method of the invention shown in Fig. 2, step is further illustrated The detailed process of troubleshooting after rapid S130.
Step S210, after determining that the output voltage of the high-pressure modular is reduced to first high-voltage value, if the height Still there is the failure in die block, then carries out the first timer counter to the number of the failure still occurred, obtain first Cumulative number.
In one example, spark phenomenon counting can be for the counting in the case of present operating voltage, and counting reaches Voltage then drops.Such as: currently in 18kV mode, detects that fire-striking counting is reduced to 16kV mode after, detect fire-striking counting again, It is down to 15kV mode again after.Only judge whether that the condition of sparking is different under each mode.
Optionally, first timing is greater than second timing.
Such as: first timing is 3min, and second timing is 30ms.
Optionally, first preset times are greater than second preset times.
Such as: first preset times are 6 times, and second preset times are 1-3 times.
Step S220, when first timing reaches described in the first cumulative number be discontented with the first preset times when, Eliminate first cumulative number.
Such as: after being reduced to 6KV, sparking number is counted, if interval time is more than 6 times discontented in 3min, Cumulative number is then eliminated, to avoid complaint caused by causing high-pressure modular to stop working because of erroneous judgement sparking.
Optionally, first cumulative number is eliminated, may include: to close the air purifier, is made described accumulative time Number is eliminated.Corresponding count value is eliminated by way of shutdown, processing mode is convenient, reliable.
Step S230, when first timing reaches described in the first cumulative number expired first preset times When, close the high-pressure modular.
Such as: damp state, high humidity, non-high humidity at least one mode under, carry out reduce output voltage handles to 6KV, if Continuous 30ms detects a reference value U2 of the multiplication of voltage module feedback voltage lower than the feedback voltage of setting, then it is assumed that two electrode loads hair Raw sparking or short circuit, high-pressure modular are closed.
Optionally, the high-pressure modular is closed, may include: the PWM output for closing the high-pressure modular, make the high pressure Module is closed.High-pressure modular is closed by way of closing PWM output, processing mode is succinct, safe.
Such as: high-pressure modular closes PWM output, judges parameter referring to example shown in table 3.
As a result, by being depressured when spark phenomenon occurs in voltage mode conversion process mesohigh output voltage and Occur carrying out troubleshooting when spark phenomenon after pressure reduction, Protection of arcing can be effectively treated, while can also be to avoid It is mistaken for striking sparks and high-pressure modular being made to stop working, and then promotes high-pressure modular reliability of operation and safety, be also beneficial to Promote the usage experience of user.
It can also include: in addition to step S130 in conjunction with step S110 and step S120 in an optional embodiment Except other situations under failure handled.
In one example, it can be based on the failure, when the high-pressure modular is in voltage mode conversion process and institute It states output voltage and is in start-up course, the high-pressure modular in normal no more than first high-voltage value, the high-pressure modular When at least one of operational process, the high-pressure modular is closed.
In a specific example, when the high-pressure modular is in voltage mode conversion process and the output voltage not When greater than first high-voltage value, if the feedback voltage of times die block of the high-pressure modular is lasting low in the first preset duration In preset first reference value, it is determined that spark phenomenon occurs in the high-pressure modular, closes the high-pressure modular.
Such as: it is judged to strike sparks, high-pressure modular stops working.
Such as: referring to example shown in table 1, under non-high humidity 6KV mode, there is the continuous 30ms of multiplication of voltage module feedback voltage Lower than the situation of a reference value U0, normal operation Protection of arcing is shown in specific processing.
In a specific example, when the high-pressure modular is in start-up course, if in the starting of the high-pressure modular The feedback voltage of times die block of the high-pressure modular is consistently less than preset second benchmark in the second preset duration in time Value, it is determined that the high-pressure modular occurs striking sparks or short circuit phenomenon, closes the high-pressure modular.
Such as: high-pressure modular starts in 600ms, and continuous T (ms) detects that multiplication of voltage module feedback voltage is anti-lower than setting The a reference value U1 of feedthrough voltage, then it is assumed that sparking or short circuit occur for two electrode loads, and high-pressure modular is closed, and judge parameter referring to table 2 Shown in example.
Table 2: the value and breakdown judge mode (such as: failure cumulative number value be 5~10) of voltage U1 and time T
In a specific example, when the high-pressure modular is in normal course of operation, if in third preset duration The multiplication of voltage module feedback voltage of the high-pressure modular is consistently less than preset third a reference value, it is determined that the high-pressure modular occurs Sparking or short circuit phenomenon, close the high-pressure modular.
Such as: high-pressure modular is normally in 6KV operational process, if continuous 30ms detects that multiplication of voltage module feedback voltage is low In a reference value U2 of the feedback voltage of setting, then it is assumed that sparking or short circuit occur for two electrode loads, and high-pressure modular is closed.
Wherein, second preset duration is greater than first preset duration and the third preset duration.
Such as: the second preset duration is 400ms, and the first preset duration is 30ms, and third preset duration is 30ms.
As a result, by handling the failure in other situations in addition to High voltage output voltage, may be implemented to institute It states high-pressure modular more comprehensively, more reliably to protect, and then promotes air purifier reliability of operation and safety.
In an optional embodiment, in conjunction with step S210 to the troubleshooting of step S230, and/or to described other In the case of troubleshooting, corresponding failure processing in close the high-pressure modular after, can also include: that the height is restarted in delay Die block.
Such as: after start-up course mesohigh module is closed, restart after 2s, fault recovery mode is shown in Table 2.
Such as: after high-pressure modular is closed, fault recovery mode is referring to example shown in table 3.
Table 3: voltage U2 and time T value and fault recovery mode (such as: failure cumulative number can with value be 5 ~10)
As a result, by the delay reboot process after the closing high-pressure modular, air purifier control oneself can be promoted The convenience that dynamicization degree and user use.
Optionally, the high-pressure modular is restarted in delay, may include: the initial launch mode restarted after setting is delayed, root After restarting according to initial launch mode, boosted according to actual humidity situation.
Below with reference to the flow chart of an embodiment of the reboot process that is delayed in method of the invention shown in Fig. 5, furtherly Bright be delayed restarts the detailed process of the high-pressure modular.
Step S510, when the high-pressure modular is in voltage mode handoff procedure or normal course of operation, by the sky The humidity of gas purifier local environment is that the output voltage of damp state and the high-pressure modular is the initial launch side of the first high-voltage value Formula carries out delay to the high-pressure modular and restarts.
Such as: referring to example shown in table 3.Reboot time: 2s；Restart rear initial output voltage: damp state 6KV.
Step S520, according to the humidity of the environment, in the voltage mode conversion process, by the defeated of the high-pressure modular Voltage out, by the first high-voltage value of damp state of the initial launch mode, delay switching is the correspondence high-voltage value of the humidity.
Such as: referring to example shown in table 3, restart rear initial output voltage, can be boosted later according to humidity condition.
Such as: 6KV pattern switching to 15KV mode, be delayed 6s.
Such as: when turning high humidity 15KV by non-high humidity 6KV, voltage transition period, a reference value of U0 is maintained non-high humidity 6KV mould The 0.287V of formula is switched to the U0 a reference value of high humidity 15KV mode, i.e. 1.11V after 6s.
Such as: 15KV pattern switching to 18KV mode, be delayed 6s.
As a result, by the setting to the method for operation after restarting mode and restarting, it can guarantee the high-pressure modular Guarantee its normal operation under the premise of safety, and then more preferably promotes air purifier reliability of operation and user uses Convenience.
Through a large amount of verification experimental verification, using the technical solution of the present embodiment, by being judged as in high pressure mode voltage output Decompression processing is carried out when sparking, can be directed in the voltage mode conversion process of air purifier high-pressure modular and is easy to produce sparking The phenomenon that, Protection of arcing is effectively treated.
According to an embodiment of the invention, additionally providing a kind of sky of the high-pressure modular guard method corresponding to air purifier The high-pressure modular protective device of gas purifier.The structural schematic diagram of one embodiment of the device of the invention shown in Figure 6.The sky The high-pressure modular protective device of gas purifier may include: acquiring unit 102, determination unit 104 and pressure unit 106.
In one embodiment, acquiring unit 102 can be used for obtaining the feedback of times die block of the high-pressure modular Voltage.The concrete function of the acquiring unit 102 and processing are referring to step S110.
In one example, high-pressure modular may include high voltage control sections, boosting part and laminate section again.Times die block Times laminate section i.e. in high-pressure modular.
Such as: in voltage mode conversion process, high-pressure modular needs the regular hour to complete the mistake that low pressure increases pressure Journey.
Such as: the multiplication of voltage module feedback voltage of low-voltage needs the regular hour, can just be switched to times of high pressure mode Die block feedback voltage.
Such as: the feedback voltage of the high-pressure modular can be obtained by voltage sensor.
As a result, by obtaining the feedback voltage of times die block, the voltage of the high-pressure modular is obtained with can be convenient Information, acquisition modes are easy, and it is high to obtain result reliability.
In one embodiment, determination unit 104 can be used for continuing in preset duration when the feedback voltage low When preset a reference value, determine that the high-pressure modular breaks down.The concrete function of the determination unit 104 and processing are referring to step Rapid S120.
Optionally, the failure may include: at least one of sparking, short circuit.Pass through the specific failure such as sparking, short circuit Processing, the high-pressure modular reliability of operation and safety can be improved.
Such as: in the voltage mode conversion process of air purifier high-pressure modular, the phenomenon that being easy to produce sparking.
As a result, by determining that the high-pressure modular breaks down when the feedback voltage is lower than a reference value, judgement Mode is reliable, and judging result accuracy is good.
In one embodiment, pressure unit 106 can be used for based on the failure, when the high-pressure modular is in When voltage mode conversion process, if the output voltage of the high-pressure modular is greater than preset first high-voltage value, by the high pressure The output voltage of module is reduced to first high-voltage value.The concrete function of the pressure unit 106 and processing are referring to step S130.
Such as: in voltage mode conversion process, if the long period (such as: 30ms) lower than a times feedback for die block setting The a reference value U0 of voltage carries out reducing output voltage processing then it is believed that having already appeared spark phenomenon.
Such as: in high tension voltage output (being greater than 6KV) judgement sparking, carry out reducing voltage output processing first.
As a result, by High voltage output voltage break down when carry out reduce output voltage processing, processing mode safety, can It leans on, and will not influence the normal use of the air purifier, hommization is good.
In an optional example, pressure unit 106 may include: damp state voltage reduction module 1062.The tide state voltage reduction module 1062, reduction when can carry out damp state to the output voltage of the high-pressure modular is handled.
In one example, damp state voltage reduction module 1062 can be used for the humidity when the air purifier local environment When for damp state, directly make the high-pressure modular by preset damp state the first high-voltage value mode output voltage, i.e., by the high pressing mold The output voltage of block is reduced to first high-voltage value.
Such as: 6KV voltage output is directly entered into after damp morphotype formula referring to example shown in table 1.If there is again The continuous 30ms of die block feedback voltage is lower than the situation of a reference value U0, and normal operation Protection of arcing is shown in specific processing.In turn, in height Under wet 6KV mode, there is the situation that the continuous 30ms of multiplication of voltage module feedback voltage is lower than a reference value U0, normal operation is shown in specific processing Protection of arcing.
Such as: when turning low-voltage by high pressure mode, U0 a reference value directly switches.
Such as: when by high humidity 15KV mode change of tide state 6KV mode, a reference value of U0 is directly switched to 0.287V by 1.11V.
Reduction when carrying out damp state by output voltage to the high-pressure modular as a result, is handled, can it is more efficient, more may be used The safety of high-pressure modular when safeguarding damp state by ground.
In an optional example, pressure unit 106 can also include: high humidity voltage reduction module 1064.The high humidity is depressured mould Block 1064, reduction when can carry out high humidity to the output voltage of the high-pressure modular are handled.
In one example, high humidity voltage reduction module 1064 can be used for the humidity when the air purifier local environment When for high humidity, the high-pressure modular default presses preset the second high-voltage value of high humidity mode output voltage；It is high in the high humidity second Under pressure value mode, the second timer counter is carried out when the failure occurs in the high-pressure modular.The high humidity voltage reduction module 1064 Concrete function and processing are referring to step S310.
In one example, the high humidity voltage reduction module 1064 can be also used for working as what second timer counter obtained When second cumulative number reaches the second preset times, the high-pressure modular is made to be reduced to preset the first high-voltage value of high humidity mode defeated The output voltage of the high-pressure modular is reduced to first high-voltage value by voltage out.The tool of the high humidity voltage reduction module 1064 Body function and processing see also step S320.
Such as: referring to example shown in table 1, into after high humidity mode, default presses high humidity 15KV mode output voltage.In height Under wet 15KV mode, if continuous 30ms detects that multiplication of voltage module feedback voltage lower than U0, adds up primary fault, has reached After number of stoppages N0, into high humidity 6KV mode.
Reduction when carrying out high humidity by the output voltage to the high-pressure modular as a result, is handled, and can more precisely, more be pacified The step pressure reducing of high-pressure modular output voltage when high humidity is realized entirely, and reliability is available to be ensured well.
In an optional example, pressure unit 106 can also include: non-high humidity voltage reduction module 1066.
In one example, non-high humidity voltage reduction module 1066 can be used for working as the wet of the air purifier local environment When degree is non-high humidity, the high-pressure modular default presses preset non-high humidity third high-voltage value mode output voltage；In the non-height Under wet third high-voltage value mode, the second timer counter is carried out when the high-pressure modular breaks down.The non-high humidity voltage reduction module 1066 concrete function and processing are referring to step S410.
In one example, from low to high from humidity, can successively be divided into: non-high humidity < 70%, high humidity 70%~85%, This 3 stages of damp state > 80%.
Such as: referring to example shown in table 1, into after non-high humidity mode, default presses non-high humidity 18KV mode output voltage. Under non-high humidity 18KV mode, if continuous 30ms detects that multiplication of voltage module feedback voltage lower than a reference value U0, adds up primary Failure.
In one example, the non-high humidity voltage reduction module 1066 can be also used for obtaining when second timer counter The second cumulative number when reaching the second preset times, so that the high-pressure modular is reduced to preset the second high-voltage value of non-high humidity mould Formula output voltage；Under non-the second high-voltage value of high humidity mode, the second timing is carried out when the high-pressure modular breaks down It counts.The concrete function of the non-high humidity voltage reduction module 1066 and processing see also step S420.
Such as: referring to example shown in table 1, after having reached number of stoppages N0, into non-high humidity 16KV mode.In non-height Under wet 16KV mode, if continuous 30ms detects multiplication of voltage module feedback voltage lower than U0.
In one example, the non-high humidity voltage reduction module 1066 can be also used for obtaining when second timer counter The second cumulative number when reaching the second preset times, then the high-pressure modular is made to be reduced to preset the first high-voltage value of non-high humidity The output voltage of the high-pressure modular is reduced to first high-voltage value by mode output voltage.The non-high humidity voltage reduction module 1066 concrete function and processing see also step S430.
Such as: referring to example shown in table 1, after having reached number of stoppages N0, into non-high humidity 15KV mode.In non-height Under wet 15KV mode, if continuous 30ms detects that multiplication of voltage module feedback voltage lower than a reference value U0, has reached the number of stoppages After N0, into non-high humidity 6KV mode.
Table 1: different mode voltage U0 and number of stoppages N0 value (such as: N0 can with value be 1~3).
Reduction processing when non-high humidity is carried out by the output voltage to the high-pressure modular as a result, it can more precisely, more It is reliably achieved the step pressure reducing of high-pressure modular output voltage when non-high humidity, the available very big promotion of safety, user The experience used is also more preferably.
It can also include: fault processing unit 108 in conjunction with pressure unit 106 in an optional embodiment.The event Hinder processing unit 108, at the failure after the output voltage of the high-pressure modular can be reduced to first high-voltage value Reason.
In one example, fault processing unit 108, the output voltage for being determined for the high-pressure modular are lowered Time after to first high-voltage value, if the failure still occurs in the high-pressure modular, to the failure still occurred Number carries out the first timer counter, obtains the first cumulative number.The concrete function of the fault processing unit 108 and processing are referring to step S210。
In one example, spark phenomenon counting can be for the counting in the case of present operating voltage, and counting reaches Voltage then drops.Such as: currently in 18kV mode, detects that fire-striking counting is reduced to 16kV mode after, detect fire-striking counting again, It is down to 15kV mode again after.Only judge whether that the condition of sparking is different under each mode.
Optionally, first timing is greater than second timing.
Such as: first timing is 3min, and second timing is 30ms.
Optionally, first preset times are greater than second preset times.
Such as: first preset times are 6 times, and second preset times are 1-3 times.
In one example, the fault processing unit 108, be also used to when first timing reaches described in When one cumulative number is discontented with the first preset times, first cumulative number is eliminated.The concrete function of the fault processing unit 108 And processing sees also step S220.
Such as: after being reduced to 6KV, sparking number is counted, if interval time is more than 6 times discontented in 3min, Cumulative number is then eliminated, to avoid complaint caused by causing high-pressure modular to stop working because of erroneous judgement sparking.
Optionally, first cumulative number is eliminated, may include: to close the air purifier, is made described accumulative time Number is eliminated.Corresponding count value is eliminated by way of shutdown, processing mode is convenient, reliable.
In one example, the fault processing unit, be also used to when first timing reaches described in first When cumulative number has expired first preset times, the high-pressure modular is closed.The concrete function of the fault processing unit 108 and Processing sees also step S230.
Such as: damp state, high humidity, non-high humidity at least one mode under, carry out reduce output voltage handles to 6KV, if Continuous 30ms detects a reference value U2 of the multiplication of voltage module feedback voltage lower than the feedback voltage of setting, then it is assumed that two electrode loads hair Raw sparking or short circuit, high-pressure modular are closed.
Optionally, the high-pressure modular is closed, may include: the PWM output for closing the high-pressure modular, make the high pressure Module is closed.High-pressure modular is closed by way of closing PWM output, processing mode is succinct, safe.
Such as: high-pressure modular closes PWM output, judges parameter referring to example shown in table 3.
As a result, by being depressured when spark phenomenon occurs in voltage mode conversion process mesohigh output voltage and Occur carrying out troubleshooting when spark phenomenon after pressure reduction, Protection of arcing can be effectively treated, while can also be to avoid It is mistaken for striking sparks and high-pressure modular being made to stop working, and then promotes high-pressure modular reliability of operation and safety, be also beneficial to Promote the usage experience of user.
It can also include: closing unit in conjunction with acquiring unit 102 and determination unit 104 in an optional embodiment 110.The closing unit 110, can be to the failure in other situations other than the situation handled by the pressure unit 106 at Reason.
In one example, closing unit 110 can be used for based on the failure, when the high-pressure modular is in voltage Mode transition procedure and the output voltage are not more than first high-voltage value, the high-pressure modular is in start-up course, described When high-pressure modular is at least one of normal course of operation, the high-pressure modular is closed.
In a specific example, when the high-pressure modular is in voltage mode conversion process and the output voltage not When greater than first high-voltage value, if the feedback voltage of times die block of the high-pressure modular is lasting low in the first preset duration In preset first reference value, it is determined that spark phenomenon occurs in the high-pressure modular, closes the high-pressure modular.
Such as: it is judged to strike sparks, high-pressure modular stops working.
Such as: referring to example shown in table 1, under non-high humidity 6KV mode, there is the continuous 30ms of multiplication of voltage module feedback voltage Lower than the situation of a reference value U0, normal operation Protection of arcing is shown in specific processing.
In a specific example, when the high-pressure modular is in start-up course, if in the starting of the high-pressure modular The feedback voltage of times die block of the high-pressure modular is consistently less than preset second benchmark in the second preset duration in time Value, it is determined that the high-pressure modular occurs striking sparks or short circuit phenomenon, closes the high-pressure modular.
Such as: high-pressure modular starts in 600ms, and continuous T (ms) detects that multiplication of voltage module feedback voltage is anti-lower than setting The a reference value U1 of feedthrough voltage, then it is assumed that sparking or short circuit occur for two electrode loads, and high-pressure modular is closed, and judge parameter referring to table 2 Shown in example.
Table 2: the value and breakdown judge mode (such as: failure cumulative number value be 5~10) of voltage U1 and time T
In a specific example, when the high-pressure modular is in normal course of operation, if in third preset duration The multiplication of voltage module feedback voltage of the high-pressure modular is consistently less than preset third a reference value, it is determined that the high-pressure modular occurs Sparking or short circuit phenomenon, close the high-pressure modular.
Such as: high-pressure modular is normally in 6KV operational process, if continuous 30ms detects that multiplication of voltage module feedback voltage is low In a reference value U2 of the feedback voltage of setting, then it is assumed that sparking or short circuit occur for two electrode loads, and high-pressure modular is closed.
Wherein, second preset duration is greater than first preset duration and the third preset duration.
Such as: the second preset duration is 400ms, and the first preset duration is 30ms, and third preset duration is 30ms.
As a result, by handling the failure in other situations in addition to High voltage output voltage, may be implemented to institute It states high-pressure modular more comprehensively, more reliably to protect, and then promotes air purifier reliability of operation and safety.
In an optional embodiment, the troubleshooting of combination failure processing unit 108, and/or closing unit 110 are right Troubleshooting in other situations can also include: delay weight after closing the high-pressure modular in corresponding failure processing Open unit 112.
In one example, unit 112 is restarted in delay, be can be used for being delayed and is restarted the high-pressure modular.
Such as: after start-up course mesohigh module is closed, restart after 2s, fault recovery mode is shown in Table 2.
Such as: after high-pressure modular is closed, fault recovery mode is referring to example shown in table 3.
Table 3: voltage U2 and time T value and fault recovery mode (such as: failure cumulative number can with value be 5 ~10)
As a result, by the delay reboot process after the closing high-pressure modular, air purifier control oneself can be promoted The convenience that dynamicization degree and user use.
Optionally, unit 112 is restarted in delay, may include: setup module 1122 and boost module 1124.The setup module 1122 and boost module 1124, the initial launch mode restarted after delay, after restarting according to initial launch mode, root can be set Factually border humidity condition boosts.
In a specific example, setup module 1122 can be used for being in voltage mode switching when the high-pressure modular It is the defeated of damp state and the high-pressure modular by the humidity of the air purifier local environment when process or normal course of operation Voltage is the initial launch mode of the first high-voltage value out, carries out delay to the high-pressure modular and restarts.The setup module 1122 Concrete function and processing are referring to step S510.
Such as: referring to example shown in table 3.Reboot time: 2s；Restart rear initial output voltage: damp state 6KV.
In a specific example, boost module 1124 can be used for the humidity according to the environment, in the voltage-mode Formula conversion process, by the output voltage of the high-pressure modular, by the first high-voltage value of damp state of the initial launch mode, delay is cut It is changed to the correspondence high-voltage value of the humidity.The concrete function of the boost module 1124 and processing are referring to step S520.
Such as: referring to example shown in table 3, restart rear initial output voltage, can be boosted later according to humidity condition.
Such as: 6KV pattern switching to 15KV mode, be delayed 6s.
Such as: when turning high humidity 15KV by non-high humidity 6KV, voltage transition period, a reference value of U0 is maintained non-high humidity 6KV mould The 0.287V of formula is switched to the U0 a reference value of high humidity 15KV mode, i.e. 1.11V after 6s.
Such as: 15KV pattern switching to 18KV mode, be delayed 6s.
As a result, by the setting to the method for operation after restarting mode and restarting, it can guarantee the high-pressure modular Guarantee its normal operation under the premise of safety, and then more preferably promotes air purifier reliability of operation and user uses Convenience.
The processing and function realized by the device of the present embodiment essentially correspond to earlier figures 1 to method shown in fig. 5 Embodiment, principle and example, therefore not detailed place in the description of the present embodiment may refer to mutually speaking on somebody's behalf in previous embodiment Bright, this will not be repeated here.
It is beaten using technical solution of the present invention by being judged as in high pressure mode voltage output through a large amount of verification experimental verification After carrying out decompression processing when fiery, sparking number is counted, if counted when interval time is more than preset time discontented default Number then eliminates cumulative number, high-pressure modular can be made to stop working to avoid being mistaken for striking sparks.
According to an embodiment of the invention, additionally providing a kind of sky of the high-pressure modular protective device corresponding to air purifier Gas purifier.The air purifier may include: the high-pressure modular protective device of above-described air purifier.
In one embodiment, the Protection of arcing deterministic process of the high-pressure modular of the air purifier, may include with Under several aspects.
(i) the voltage mode conversion of high-pressure modular
In one embodiment, due to high-pressure modular need the regular hour complete low pressure increase pressure process；Together When low-voltage multiplication of voltage module feedback voltage be also required to the regular hour just and can be switched to the multiplication of voltage module feedback of high pressure mode Voltage.So if the long period (such as: 30ms) lower than a times a reference value U0 for the feedback voltage of die block setting, it is believed that Spark phenomenon is had already appeared, carries out reducing output voltage processing.
In one example, which can rise to 18KV for the boosted circuit of 12V voltage and voltage-multiplying circuit.Example Such as: low pressure can be 12V, and high pressure can be 18kV.
Such as: high-pressure modular, for generating hyperbaric environment, under hyperbaric environment generate negative ions and high pressure it is quiet Electricity can reach the purpose of dust suction and sterilization.
In one example, times die block can be the important module in high-pressure modular, can export step-up transformer 2kV voltage increase is exported to the purifying part of clarifier to 18kV.Times die block may include voltage feedback circuit, for The high pressure of the control unit monitoring output of high-pressure modular.
Specifically: 6KV pattern switching to 15KV mode, be delayed 6s.Such as: when turning high humidity 15KV by non-high humidity 6KV, voltage Transition period, a reference value of U0 is maintained the 0.287V of non-high humidity 6KV mode, after 6s, is switched to high humidity 15KV mode U0 a reference value, i.e. 1.11V.
15KV pattern switching is to 18KV mode, and be delayed 6s.
And when turning low-voltage by high pressure mode, U0 a reference value directly switches.Such as: by high humidity 15KV mode change of tide state When 6KV mode, a reference value of U0 is directly switched to 0.287V by 1.11V.
(1) damp morphotype formula: after entering damp morphotype formula, 6KV voltage output is directly entered.If there is multiplication of voltage module feedback electricity Continuous 30ms is pressed to be lower than the situation of a reference value U0, normal operation Protection of arcing is shown in specific processing.
(2) high humidity mode: after entering high humidity mode, default presses high humidity 15KV mode output voltage.In high humidity 15KV mode Under, if continuous 30ms detects that multiplication of voltage module feedback voltage lower than U0, adds up primary fault, has reached number of stoppages N0 Afterwards, into high humidity 6KV mode.Under high humidity 6KV mode, there is the continuous 30ms of multiplication of voltage module feedback voltage lower than a reference value U0's Normal operation Protection of arcing is shown in situation, specific processing.
(3) non-high humidity mode: after entering non-high humidity mode, default presses non-high humidity 18KV mode output voltage.In non-high humidity Under 18KV mode, if continuous 30ms detects that multiplication of voltage module feedback voltage lower than a reference value U0, adds up primary fault, adds up After reaching number of stoppages N0, into non-high humidity 16KV mode.Under non-high humidity 16KV mode, if continuous 30ms detects multiplication of voltage Module feedback voltage is lower than U0, after having reached number of stoppages N0, into non-high humidity 15KV mode.In non-high humidity 15KV mode Under, if continuous 30ms detects multiplication of voltage module feedback voltage lower than a reference value U0, after having reached number of stoppages N0, entrance is non- High humidity 6KV mode.Under non-high humidity 6KV mode, there is the situation that the continuous 30ms of multiplication of voltage module feedback voltage is lower than a reference value U0, Normal operation Protection of arcing is shown in specific processing.
Table 1: different mode voltage U0 and number of stoppages N0 value (such as: N0 can with value be 1~3).
(ii) sparking or short-circuit protection when high-pressure modular starts:
High-pressure modular starts in 600ms, and continuous T (ms) detects feedback voltage of the multiplication of voltage module feedback voltage lower than setting A reference value U1, then it is assumed that sparking or short circuit occur for two electrode loads, and high-pressure modular closes PWM output, restarts after 2s, judge to join It is several to be shown in Table 2 with fault recovery mode.
Table 2: the value and breakdown judge mode (such as: failure cumulative number value be 5~10) of voltage U1 and time T
(iii) Protection of arcing is operated normally:
Under damp morphotype formula, high humidity mode, non-high humidity mode, carrying out, which reduces output voltage, is handled to 6KV or high-pressure modular just Often in 6KV operational process, if continuous 30ms detects benchmark of the multiplication of voltage module feedback voltage lower than the feedback voltage of setting Value U2, then it is assumed that sparking or short circuit occur for two electrode loads, and high-pressure modular closes PWM output, judges parameter and fault recovery side Formula is shown in Table 3.
Table 3: voltage U2 and time T value and fault recovery mode (such as: failure cumulative number can with value be 5 ~10)
The processing and function realized by the air purifier of the present embodiment essentially correspond to aforementioned device shown in fig. 6 Embodiment, principle and example, therefore not detailed place in the description of the present embodiment may refer to mutually speaking on somebody's behalf in previous embodiment Bright, this will not be repeated here.
Through a large amount of verification experimental verification, using technical solution of the present invention, by sparking when high-pressure modular starts or short Protection of arcing when road protection and normal operation can be further improved reliability and safety when air purifier operation Property.
To sum up, it will be readily appreciated by those skilled in the art that under the premise of not conflicting, above-mentioned each advantageous manner can be certainly It combined, be superimposed by ground.
The above description is only an embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification, Equivalent replacement, improvement etc., should be included within scope of the presently claimed invention.

Claims (39)

1. a kind of high-pressure modular guard method of air purifier characterized by comprising
Obtain the feedback voltage of times die block of the high-pressure modular；
When the feedback voltage is consistently less than preset a reference value in preset duration, determine that event occurs in the high-pressure modular Barrier；
Based on the failure, when the high-pressure modular is in voltage mode conversion process, if the output electricity of the high-pressure modular Pressure is greater than preset first high-voltage value, then the output voltage of the high-pressure modular is reduced to first high-voltage value；It will be described The output voltage of high-pressure modular is reduced to first high-voltage value, comprising:
When the humidity of the air purifier local environment is high humidity, the high-pressure modular default is high by preset high humidity second Pressure value mode output voltage；Under the second high-voltage value of high humidity mode, carried out when the failure occurs in the high-pressure modular Second timer counter；
When the second cumulative number that second timer counter obtains reaches the second preset times, reduce the high-pressure modular To preset the first high-voltage value of high humidity mode output voltage, i.e., the output voltage of the high-pressure modular is reduced to described first high Pressure value.
2. the method according to claim 1, wherein the output voltage of the high-pressure modular is reduced to described After one high-voltage value, further includes:
After determining that the output voltage of the high-pressure modular is reduced to first high-voltage value, if the high-pressure modular still occurs The failure then carries out the first timer counter to the number of the failure still occurred, obtains the first cumulative number；
When first cumulative number described in when the first timing reaches is discontented with the first preset times, eliminate described first accumulative time Number；
When first cumulative number described in when first timing reaches has expired first preset times, the height is closed Die block.
3. method according to claim 1 or 2, which is characterized in that the output voltage of the high-pressure modular is reduced to institute State the first high-voltage value, further includes:
When the humidity of the air purifier local environment is damp state, directly make the high-pressure modular by preset damp state first The output voltage of the high-pressure modular is reduced to first high-voltage value by high-voltage value mode output voltage.
4. method according to claim 1 or 2, which is characterized in that the output voltage of the high-pressure modular is reduced to institute State the first high-voltage value, further includes:
When the humidity of the air purifier local environment is non-high humidity, high-pressure modular default is by preset non-high humidity the Three high-voltage value mode output voltages；Under the non-high humidity third high-voltage value mode, when the high-pressure modular break down when into The second timer counter of row；
When the second cumulative number that second timer counter obtains reaches the second preset times, reduce the high-pressure modular To preset non-the second high-voltage value of high humidity mode output voltage；Under non-the second high-voltage value of high humidity mode, when the high pressure Module carries out the second timer counter when breaking down；
When the second cumulative number that second timer counter obtains reaches the second preset times, then drop the high-pressure modular Down to preset non-the first high-voltage value of high humidity mode output voltage, i.e., the output voltage of the high-pressure modular is reduced to described One high-voltage value.
5. according to the method described in claim 3, it is characterized in that, the output voltage of the high-pressure modular is reduced to described One high-voltage value, further includes:
When the humidity of the air purifier local environment is non-high humidity, high-pressure modular default is by preset non-high humidity the Three high-voltage value mode output voltages；Under the non-high humidity third high-voltage value mode, when the high-pressure modular break down when into The second timer counter of row；
When the second cumulative number that second timer counter obtains reaches the second preset times, reduce the high-pressure modular To preset non-the second high-voltage value of high humidity mode output voltage；Under non-the second high-voltage value of high humidity mode, when the high pressure Module carries out the second timer counter when breaking down；
When the second cumulative number that second timer counter obtains reaches the second preset times, then drop the high-pressure modular Down to preset non-the first high-voltage value of high humidity mode output voltage, i.e., the output voltage of the high-pressure modular is reduced to described One high-voltage value.
6. according to claim 1, method described in one of 2,5, which is characterized in that further include:
Based on the failure, when the high-pressure modular is in voltage mode conversion process and the output voltage is no more than described the When one high-voltage value, the high-pressure modular are in start-up course, the high-pressure modular is at least one of normal course of operation, close Close the high-pressure modular.
7. according to the method described in claim 3, it is characterized by further comprising:
Based on the failure, when the high-pressure modular is in voltage mode conversion process and the output voltage is no more than described the When one high-voltage value, the high-pressure modular are in start-up course, the high-pressure modular is at least one of normal course of operation, close Close the high-pressure modular.
8. according to the method described in claim 4, it is characterized by further comprising:
Based on the failure, when the high-pressure modular is in voltage mode conversion process and the output voltage is no more than described the When one high-voltage value, the high-pressure modular are in start-up course, the high-pressure modular is at least one of normal course of operation, close Close the high-pressure modular.
9. the method according to one of claim 2,5,7,8, which is characterized in that after closing the high-pressure modular, further includes:
The high-pressure modular is restarted in delay.
10. according to the method described in claim 3, it is characterized in that, after closing the high-pressure modular, further includes:
The high-pressure modular is restarted in delay.
11. according to the method described in claim 4, it is characterized in that, after closing the high-pressure modular, further includes:
The high-pressure modular is restarted in delay.
12. according to the method described in claim 6, it is characterized in that, after closing the high-pressure modular, further includes:
The high-pressure modular is restarted in delay.
13. according to the method described in claim 9, it is characterized in that, the high-pressure modular is restarted in delay, comprising:
When the high-pressure modular is in voltage mode handoff procedure or normal course of operation, by ring locating for the air purifier The humidity in border is that the output voltage of damp state and the high-pressure modular is the initial launch mode of the first high-voltage value, to the high pressure Module carries out delay and restarts；Later,
According to the humidity of the environment, in the voltage mode conversion process, by the output voltage of the high-pressure modular, by described The first high-voltage value of damp state of initial launch mode, delay switching are the correspondence high-voltage value of the humidity.
14. method described in one of 0-12 according to claim 1, which is characterized in that the high-pressure modular is restarted in delay, comprising:
When the high-pressure modular is in voltage mode handoff procedure or normal course of operation, by ring locating for the air purifier The humidity in border is that the output voltage of damp state and the high-pressure modular is the initial launch mode of the first high-voltage value, to the high pressure Module carries out delay and restarts；Later,
According to the humidity of the environment, in the voltage mode conversion process, by the output voltage of the high-pressure modular, by described The first high-voltage value of damp state of initial launch mode, delay switching are the correspondence high-voltage value of the humidity.
15. according to claim 1,5,7,8, method described in one of 10-13, which is characterized in that
The failure, comprising: at least one of sparking, short circuit；And/or
First preset times are greater than second preset times；And/or
Eliminate first cumulative number, comprising: close the air purifier, eliminate the cumulative number；And/or
Close the high-pressure modular, comprising: the PWM output for closing the high-pressure modular closes the high-pressure modular.
16. according to the method described in claim 4, it is characterized in that,
The failure, comprising: at least one of sparking, short circuit；And/or
First preset times are greater than second preset times；And/or
Eliminate first cumulative number, comprising: close the air purifier, eliminate the cumulative number；And/or
Close the high-pressure modular, comprising: the PWM output for closing the high-pressure modular closes the high-pressure modular.
17. according to the method described in claim 6, it is characterized in that,
The failure, comprising: at least one of sparking, short circuit；And/or
First preset times are greater than second preset times；And/or
Eliminate first cumulative number, comprising: close the air purifier, eliminate the cumulative number；And/or
Close the high-pressure modular, comprising: the PWM output for closing the high-pressure modular closes the high-pressure modular.
18. according to the method described in claim 9, it is characterized in that,
The failure, comprising: at least one of sparking, short circuit；And/or
First preset times are greater than second preset times；And/or
Eliminate first cumulative number, comprising: close the air purifier, eliminate the cumulative number；And/or
Close the high-pressure modular, comprising: the PWM output for closing the high-pressure modular closes the high-pressure modular.
19. according to the method for claim 14, which is characterized in that
The failure, comprising: at least one of sparking, short circuit；And/or
First preset times are greater than second preset times；And/or
Eliminate first cumulative number, comprising: close the air purifier, eliminate the cumulative number；And/or
Close the high-pressure modular, comprising: the PWM output for closing the high-pressure modular closes the high-pressure modular.
20. a kind of high-pressure modular protective device of air purifier characterized by comprising
Acquiring unit, the feedback voltage of times die block for obtaining the high-pressure modular；
Determination unit, for determining the height when the feedback voltage is consistently less than preset a reference value in preset duration Die block breaks down；
Pressure unit, for being based on the failure, when the high-pressure modular is in voltage mode conversion process, if the high pressure The output voltage of module is greater than preset first high-voltage value, then is reduced to the output voltage of the high-pressure modular described first high Pressure value；Pressure unit, comprising:
High humidity voltage reduction module, for when the humidity of the air purifier local environment is high humidity, the high-pressure modular to be defaulted By preset the second high-voltage value of high humidity mode output voltage；Under the second high-voltage value of high humidity mode, when the high-pressure modular Occur carrying out the second timer counter when the failure；
The high humidity voltage reduction module is also used to reach second default time when the second cumulative number that second timer counter obtains When number, the high-pressure modular is set to be reduced to preset the first high-voltage value of high humidity mode output voltage, i.e., by the high-pressure modular Output voltage is reduced to first high-voltage value.
21. device according to claim 20, which is characterized in that further include:
Fault processing unit, after determining that the output voltage of the high-pressure modular is reduced to first high-voltage value, if institute It states high-pressure modular and the failure still occurs, then the first timer counter is carried out to the number of the failure still occurred, obtained First cumulative number；
The fault processing unit, be also used to when the first timing reaches described in the first cumulative number discontented first default time When number, first cumulative number is eliminated；
The fault processing unit, be also used to when first timing reaches described in the first cumulative number expired described When one preset times, the high-pressure modular is closed.
22. the device according to claim 20 or 21, which is characterized in that pressure unit, further includes:
Damp state voltage reduction module, for directly making the high pressing mold when the humidity of the air purifier local environment is damp state The output voltage of the high-pressure modular is reduced to described first by preset damp state the first high-voltage value mode output voltage by block High-voltage value.
23. the device according to claim 20 or 21, which is characterized in that pressure unit, further includes:
Non- high humidity voltage reduction module, for when the humidity of the air purifier local environment be non-high humidity when, the high-pressure modular Default presses preset non-high humidity third high-voltage value mode output voltage；Under the non-high humidity third high-voltage value mode, when described High-pressure modular carries out the second timer counter when breaking down；
The non-high humidity voltage reduction module is also used to preset when the second cumulative number that second timer counter obtains reaches second When number, the high-pressure modular is made to be reduced to preset the second high-voltage value of non-high humidity mode output voltage；In the non-high humidity Under two high-voltage value modes, the second timer counter is carried out when the high-pressure modular breaks down；
The non-high humidity voltage reduction module is also used to preset when the second cumulative number that second timer counter obtains reaches second When number, then the high-pressure modular is made to be reduced to preset the first high-voltage value of non-high humidity mode output voltage, i.e., by the high pressure The output voltage of module is reduced to first high-voltage value.
24. device according to claim 22, which is characterized in that pressure unit, further includes:
Non- high humidity voltage reduction module, for when the humidity of the air purifier local environment be non-high humidity when, the high-pressure modular Default presses preset non-high humidity third high-voltage value mode output voltage；Under the non-high humidity third high-voltage value mode, when described High-pressure modular carries out the second timer counter when breaking down；
The non-high humidity voltage reduction module is also used to preset when the second cumulative number that second timer counter obtains reaches second When number, the high-pressure modular is made to be reduced to preset the second high-voltage value of non-high humidity mode output voltage；In the non-high humidity Under two high-voltage value modes, the second timer counter is carried out when the high-pressure modular breaks down；
The non-high humidity voltage reduction module is also used to preset when the second cumulative number that second timer counter obtains reaches second When number, then the high-pressure modular is made to be reduced to preset the first high-voltage value of non-high humidity mode output voltage, i.e., by the high pressure The output voltage of module is reduced to first high-voltage value.
25. the device according to one of claim 20,21,24, which is characterized in that further include:
Closing unit, for being based on the failure, when the high-pressure modular is in voltage mode conversion process and output electricity It presses no more than first high-voltage value, the high-pressure modular is in start-up course, the high-pressure modular is in normal course of operation At least one of when, close the high-pressure modular.
26. device according to claim 22, which is characterized in that further include:
Closing unit, for being based on the failure, when the high-pressure modular is in voltage mode conversion process and output electricity It presses no more than first high-voltage value, the high-pressure modular is in start-up course, the high-pressure modular is in normal course of operation At least one of when, close the high-pressure modular.
27. device according to claim 23, which is characterized in that further include:
Closing unit, for being based on the failure, when the high-pressure modular is in voltage mode conversion process and output electricity It presses no more than first high-voltage value, the high-pressure modular is in start-up course, the high-pressure modular is in normal course of operation At least one of when, close the high-pressure modular.
28. the device according to one of claim 21,24,26,27, which is characterized in that further include:
Unit is restarted in delay, restarts the high-pressure modular for being delayed.
29. device according to claim 22, which is characterized in that further include:
Unit is restarted in delay, restarts the high-pressure modular for being delayed.
30. device according to claim 23, which is characterized in that further include:
Unit is restarted in delay, restarts the high-pressure modular for being delayed.
31. device according to claim 25, which is characterized in that further include:
Unit is restarted in delay, restarts the high-pressure modular for being delayed.
32. device according to claim 28, which is characterized in that unit is restarted in delay, comprising:
Setup module is used for when the high-pressure modular is in voltage mode handoff procedure or normal course of operation, by the sky The humidity of gas purifier local environment is that the output voltage of damp state and the high-pressure modular is the initial launch side of the first high-voltage value Formula carries out delay to the high-pressure modular and restarts；Later,
Boost module, for the humidity according to the environment, in the voltage mode conversion process, by the defeated of the high-pressure modular Voltage out, by the first high-voltage value of damp state of the initial launch mode, delay switching is the correspondence high-voltage value of the humidity.
33. the device according to one of claim 29-31, which is characterized in that unit is restarted in delay, comprising:
Setup module is used for when the high-pressure modular is in voltage mode handoff procedure or normal course of operation, by the sky The humidity of gas purifier local environment is that the output voltage of damp state and the high-pressure modular is the initial launch side of the first high-voltage value Formula carries out delay to the high-pressure modular and restarts；Later,
Boost module, for the humidity according to the environment, in the voltage mode conversion process, by the defeated of the high-pressure modular Voltage out, by the first high-voltage value of damp state of the initial launch mode, delay switching is the correspondence high-voltage value of the humidity.
34. the device according to one of claim 20,24,26,27,29-32, which is characterized in that
The failure, comprising: at least one of sparking, short circuit；And/or
First preset times are greater than second preset times；And/or
Eliminate first cumulative number, comprising: close the air purifier, eliminate the cumulative number；And/or
Close the high-pressure modular, comprising: the PWM output for closing the high-pressure modular closes the high-pressure modular.
35. device according to claim 23, which is characterized in that
The failure, comprising: at least one of sparking, short circuit；And/or
First preset times are greater than second preset times；And/or
Eliminate first cumulative number, comprising: close the air purifier, eliminate the cumulative number；And/or
Close the high-pressure modular, comprising: the PWM output for closing the high-pressure modular closes the high-pressure modular.
36. device according to claim 25, which is characterized in that
The failure, comprising: at least one of sparking, short circuit；And/or
First preset times are greater than second preset times；And/or
Eliminate first cumulative number, comprising: close the air purifier, eliminate the cumulative number；And/or
Close the high-pressure modular, comprising: the PWM output for closing the high-pressure modular closes the high-pressure modular.
37. device according to claim 28, which is characterized in that
The failure, comprising: at least one of sparking, short circuit；And/or
First preset times are greater than second preset times；And/or
Eliminate first cumulative number, comprising: close the air purifier, eliminate the cumulative number；And/or
Close the high-pressure modular, comprising: the PWM output for closing the high-pressure modular closes the high-pressure modular.
38. device according to claim 33, which is characterized in that
The failure, comprising: at least one of sparking, short circuit；And/or
First preset times are greater than second preset times；And/or
Eliminate first cumulative number, comprising: close the air purifier, eliminate the cumulative number；And/or
Close the high-pressure modular, comprising: the PWM output for closing the high-pressure modular closes the high-pressure modular.
39. a kind of air purifier characterized by comprising the height of the air purifier as described in claim 20-38 is any Die block protective device.
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CN111981629B (en) * 2020-08-10 2021-06-15 珠海格力电器股份有限公司 Cleaning reminding method and device for electric purification type air purifier and air purifier

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