CN106533149A - High-voltage power supply, high-voltage power supply turn-on method, high-voltage power supply turn-on device and household electrical appliance - Google Patents
High-voltage power supply, high-voltage power supply turn-on method, high-voltage power supply turn-on device and household electrical appliance Download PDFInfo
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- CN106533149A CN106533149A CN201611254878.3A CN201611254878A CN106533149A CN 106533149 A CN106533149 A CN 106533149A CN 201611254878 A CN201611254878 A CN 201611254878A CN 106533149 A CN106533149 A CN 106533149A
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- Prior art keywords
- high voltage
- power supply
- voltage power
- module
- dutycycle
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Classifications
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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
- H02M1/36—Means for starting or stopping converters
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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
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/21—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/217—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
Abstract
The invention discloses a high-voltage power supply, a high-voltage power supply turn-on method, a high-voltage power supply turn-on device and a household electrical appliance. The high-voltage power supply comprises a rectifier module, a pulse high-voltage output module and a voltage-doubling rectifier module, which are connected in sequence. The method comprises the following steps of: when a high-voltage power supply turn-on signal is received, obtaining the target duty ratio of a control signal of the pulse high-voltage output module; and, turning up the duty ratio of the control signal of the pulse high-voltage output module at the beginning of zero, furthermore, controlling the pulse high-voltage output module according to the adjusted duty ratio till the duty ratio is up to the target duty ratio, and obtaining pre-set high-voltage direct current at the output end of the voltage-doubling rectifier module. By means of the method disclosed by the invention, in a high-voltage power supply turn-on process, power components in a circuit can be prevented from being impacted; and thus, the reliability and the service life of the high-voltage power supply are increased.
Description
Technical field
The present invention relates to household electrical appliance technical field, more particularly to a kind of open method of high voltage power supply, a kind of high-tension electricity
The opening device in source, a kind of high voltage power supply and a kind of household electrical appliance.
Background technology
High voltage power supply also known as high pressure generator, generally refer to power supply of the output voltage more than five kilovolts, and its application is more
Extensively, for example, medical domain (such as X-ray machine, spectrum analysis, nondestructive inspection etc.), manufacture field be can be applicable to (such as grain in semiconductor
Sub injection, nano-photoetching etc.), sphere of life (such as adopting the no material consumption air purifier of plasma cleaning technology) etc..
The technology development of high voltage power supply mainly has both direction：One is to improve power, i.e. high voltage, high current；Two
It is to reduce power volume, i.e. high voltage, high switching frequency.But either which direction, its internal component will all bear very high
Voltage or electric current, especially in power-up procedure, it is easy to so that components and parts be subject to greater impact, cause components and parts to make
Even it is damaged with service life reduction.
The content of the invention
It is contemplated that at least solving one of technical problem in correlation technique to a certain extent.
For this purpose, first purpose of the present invention is to propose a kind of open method of high voltage power supply, can be in high voltage power supply
During unlatching, it is ensured that the power component in circuit from impact, so as to improving the reliability of high voltage power supply and using the longevity
Life.
Second object of the present invention is to propose a kind of opening device of high voltage power supply.
Third object of the present invention is to propose a kind of high voltage power supply.
Fourth object of the present invention is to propose a kind of household electrical appliance.
For achieving the above object, the open method of a kind of high voltage power supply that one aspect of the present invention embodiment is proposed, the height
Voltage source includes rectification module, pulsation high voltage output module and the voltage doubling rectifier module being sequentially connected, and methods described includes following
Step：When the open signal of high voltage power supply is received, the target for obtaining the control signal of the pulsation high voltage output module is accounted for
Empty ratio；The dutycycle of the control signal of the pulsation high voltage output module is started from scratch and carries out tuning up control, and according to regulation
Dutycycle afterwards is controlled to the pulsation high voltage output module, until dutycycle reaches the target duty ratio, described times
The output end of repoussage flow module obtains default high voltage direct current.
The open method of high voltage power supply according to embodiments of the present invention, when the open signal of high voltage power supply is received, obtains
The target duty ratio of the control signal of pulsation high voltage output module is taken, the dutycycle to the control signal of high voltage output module of pulsing
Starting from scratch carries out tuning up control, and high voltage output module of pulsing is controlled according to the dutycycle after regulation, until duty
Than reaching target duty ratio, the output end of voltage doubling rectifier module obtains default high voltage direct current.The method can be in high-tension electricity
Source open during, it is ensured that the power component in circuit from impact, so as to improve reliability and the use of high voltage power supply
Life-span.
According to one embodiment of present invention, it is described to it is described pulsation high voltage output module control signal dutycycle from
Zero proceeds by and tunes up control, including：The default dutycycle is tuned up into the first preset value every the first Preset Time.
According to one embodiment of present invention, first Preset Time is fixed or adjustable Preset Time, described the
One preset value is fixed or adjustable preset value.
According to one embodiment of present invention, the pulsation high voltage output module includes：Transformer and switching tube, the change
After the primary coil of depressor is connected with the switching tube, it is connected in parallel between the output end of the rectification module, the transformer
Secondary coil is corresponding with the input of the voltage doubling rectifier module to be connected.
For achieving the above object, another aspect of the present invention embodiment proposes a kind of opening device of high voltage power supply, described
High voltage power supply includes rectification module, pulsation high voltage output module and the voltage doubling rectifier module being sequentially connected, and described device includes：Obtain
Unit is taken, for when the open signal of high voltage power supply is received, obtaining the control signal of the pulsation high voltage output module
Target duty ratio；Adjustment unit, the adjustment unit are connected with the acquiring unit, and the adjustment unit is for the pulsation
The dutycycle of the control signal of high voltage output module is started from scratch to be carried out tuning up control；Control unit, described control unit and institute
State adjustment unit be connected, described control unit for according to the dutycycle after regulation to it is described pulsation high voltage output module control
System, until dutycycle reaches the target duty ratio, the output end of the voltage doubling rectifier module obtains default high voltage direct current.
The opening device of high voltage power supply according to embodiments of the present invention, when the open signal of high voltage power supply is received, leads to
Cross the target duty ratio that acquiring unit obtains the control signal of pulsation high voltage output module.Adjustment unit is to High voltage output mould of pulsing
The dutycycle of the control signal of block is started from scratch to be carried out tuning up control.Control unit is according to the dutycycle after regulation to high pressure of pulsing
Output module is controlled, until dutycycle reaches target duty ratio, the output end of voltage doubling rectifier module obtains default high pressure
Direct current.During opening in high voltage power supply, it is ensured that the power component in circuit from impact, so as to improve
The reliability and service life of high voltage power supply.
According to one embodiment of present invention, the control signal of the adjustment unit to the pulsation high voltage output module
Dutycycle is started from scratch when carrying out tuning up control, wherein, the adjustment unit is every the first Preset Time by the default duty
Than tuning up the first preset value.
According to one embodiment of present invention, first Preset Time is fixed or adjustable Preset Time, described the
One preset value is fixed or adjustable preset value.
According to one embodiment of present invention, the pulsation high voltage output module includes：Transformer and switching tube, the change
After the primary coil of depressor is connected with the switching tube, it is connected in parallel between the output end of the rectification module, the transformer
Secondary coil is corresponding with the input of the voltage doubling rectifier module to be connected.
For achieving the above object, another aspect of the invention embodiment proposes a kind of high voltage power supply, and which includes above-mentioned height
The opening device of voltage source.
High voltage power supply according to embodiments of the present invention, by the opening device of above-mentioned high voltage power supply, can be in high-tension electricity
In the opening process of source, it is ensured that the power component in circuit from impact, so as to improving the reliability of high voltage power supply and using the longevity
Life.
Additionally, embodiments of the invention also proposed a kind of household electrical appliance, which includes above-mentioned high voltage power supply.
The household electrical appliance of the embodiment of the present invention, by above-mentioned high voltage power supply, can high voltage power supply open during,
Power component in guarantee circuit and then ensures house from impact so as to improve the reliability and service life of high voltage power supply
The power supply reliability of electrical appliance.
Description of the drawings
Fig. 1 is the flow chart of the open method of high voltage power supply according to embodiments of the present invention；
Fig. 2 is the structural representation of high voltage power supply according to an embodiment of the invention；
Fig. 3 is the structural representation of high voltage power supply in accordance with another embodiment of the present invention；
Fig. 4 is the schematic diagram of the open method of high voltage power supply according to an embodiment of the invention；
Fig. 5 is the block diagram of the opening device of the high voltage power supply of the embodiment of the present invention；
Fig. 6 is the block diagram of ion purifier according to an embodiment of the invention.
Specific embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from start to finish
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and be not considered as limiting the invention.
With reference to the accompanying drawings describing the unlatching dress of the open method of the high voltage power supply of the embodiment of the present invention, high voltage power supply
Put, high voltage power supply and household electrical appliance.
Fig. 1 is the flow chart of the open method of high voltage power supply according to embodiments of the present invention.
In an embodiment of the present invention, high voltage power supply may include rectification module, the pulsation high voltage output module being sequentially connected
And voltage doubling rectifier module.Wherein, when high voltage power supply works, the control signal by the default dutycycle of output is defeated to high pressure of pulsing
Go out module, corresponding high voltage direct current is obtained with the output end in voltage doubling rectifier module.
Specifically, as shown in Fig. 2 the input of rectification module is connected with electric main, the output end of rectification module with
The input of pulsation high voltage output module is connected, the input phase of the output end and voltage doubling rectifier module of pulsation high voltage output module
Even, the output end of voltage doubling rectifier module is connected with load.
When high voltage power supply works on power, the rectified module of electric main is converted into low-voltage DC, High voltage output of pulsing
Module enters line translation to the low-voltage DC, with the high-tension electricity of output ripple to voltage doubling rectifier module, then by voltage multiplying rectifier mould
Block exports high voltage direct current.Wherein, the output voltage main with rectification module of the size of high voltage direct current, pulsation High voltage output mould
The parameter (such as high-low pressure no-load voltage ratio, the dutycycle of the control signal for producing pulsation) of block, the relating to parameters of voltage doubling rectifier module.And work as
After hardware circuit determines, for example, rectification module adopt Switching Power Supply or can not control rectifying circuit, voltage doubling rectifier module is using half
When ripple rectification and many voltage-multiplying circuits, the size of high voltage direct current is only had with the dutycycle of the control signal of pulsation high voltage output module
Close, dutycycle is higher, and the voltage of high voltage direct current is higher.
According to one embodiment of present invention, as shown in figure 3, pulsation high voltage output module may include：Transformer and switch
Pipe, after the primary coil of transformer is connected with switching tube, is connected in parallel between the output end of rectification module, the secondary coil of transformer
It is corresponding with the input of voltage doubling rectifier module to be connected.Wherein, switching tube can be triode, IGBT, metal-oxide-semiconductor etc., and transformer can
Think step-up transformer.
Specifically, as shown in figure 3, when high voltage power supply works on power, the fixed low-voltage DC of rectification module output is extremely
The primary coil of transformer, meanwhile, control chip (such as MCU) output control signal (such as pwm signal) is to switching tube, driving switch
Pipe carries out turn-on and turn-off, and so as to alternating voltage is produced on the primary coil of transformer, now the secondary coil of transformer will
The high-tension electricity of pulsation is induced, then Jing voltage doubling rectifier modules are changed, with the high voltage direct current needed for exporting.Wherein, it is high
Press output voltage of the galvanic size mainly with rectification module, the no-load voltage ratio of transformer, the dutycycle of switch controlled signal, times
The relating to parameters of repoussage flow module.And after hardware circuit determines, the control signal of the size of high voltage direct current only with switching tube
Dutycycle it is relevant, dutycycle is higher, and high voltage direct current is bigger.
When opening due to high voltage power supply, greater impact may be produced to the power component in circuit, therefore, in high pressure
Certain measure need to be taken during electric power starting, it is ensured that components and parts will not be damaged.
As shown in figure 1, the open method of the high voltage power supply may include following steps：
S1, when the open signal of high voltage power supply is received, obtains the target of the control signal of pulsation high voltage output module
Dutycycle.
S2, starts from scratch and carries out tuning up control to the dutycycle of the control signal of high voltage output module of pulsing, and according to tune
Dutycycle after section is controlled to high voltage output module of pulsing, until dutycycle reaches target duty ratio, voltage doubling rectifier module
Output end obtain default high voltage direct current.
Wherein, the target duty ratio high voltage direct current to be exported with voltage doubling rectifier module is corresponding.
According to one embodiment of present invention, to pulse high voltage output module control signal dutycycle start from scratch into
Row tunes up control, including：Default dutycycle is tuned up into the first preset value every the first Preset Time.
Specifically, generally when high voltage power supply open signal is received, default target duty ratio can directly be exported
Control signal is quickly opened to switching tube, high voltage power supply, but this can produce great impact to the components and parts in circuit.Therefore, exist
After receiving open signal, the dutycycle of control signal is started from scratch and gradually increase, for example, can be every the first Preset Time
Default dutycycle is tuned up into the first preset value, and turning on and off according to the Duty ratio control switching tube after regulation, Zhi Daozhan
Empty ratio reaches target duty ratio, and the output end of voltage doubling rectifier module obtains default high voltage direct current, powering load.
In an embodiment of the present invention, the first Preset Time can be fixed or adjustable Preset Time, the first preset value
Can be fixed or adjustable preset value.
Specifically, with the first Preset Time as fixed Preset Time, as a example by the first preset value is for fixed preset value.As schemed
Shown in 4, it is assumed that target duty ratio is D0, and the first Preset Time is Δ T, and the first preset value is Δ D, then will account for every Δ T time
It is empty to tune up Δ D than starting from scratch, i.e. D1=0+ Δs D, D2=D1+ Δ D ..., circulate operation, until dutycycle D=D0, it is right to stop
Dutycycle carries out tuning up control, now, is worked according to dutycycle D0 driving switch pipe, and voltage doubling rectifier module exports default high pressure
Direct current, high voltage power supply are opened.So as to come to high voltage power supply by way of the dutycycle to control signal is heightened step by step
Opened, it is ensured that the power component in circuit will not be impacted, improve the reliability and service life of components and parts.
Alternatively, it is also possible to be adjusted to dutycycle according to fixed Preset Time, adjustable preset value, or according to adjustable pre-
If time, fixed preset value are adjusted to dutycycle, or dutycycle are carried out according to adjustable Preset Time, adjustable preset value
Adjust, specifically I will not elaborate.
In sum, the open method of high voltage power supply according to embodiments of the present invention, is receiving the unlatching of high voltage power supply
During signal, the target duty ratio of the control signal of pulsation high voltage output module is obtained, the control letter to high voltage output module of pulsing
Number dutycycle start from scratch and carry out tuning up control, and high voltage output module of pulsing is controlled according to the dutycycle after regulation
System, until dutycycle reaches target duty ratio, the output end of voltage doubling rectifier module obtains default high voltage direct current.The method energy
It is enough during high voltage power supply is opened, it is ensured that the power component in circuit can from impact, so as to improve high voltage power supply
By property and service life.
Fig. 5 is the block diagram of the opening device of high voltage power supply according to embodiments of the present invention.
In an embodiment of the present invention, as shown in Fig. 2 high voltage power supply may include rectification module 10, the pulsation being sequentially connected
High voltage output module 20 and voltage doubling rectifier module 30.Wherein, when high voltage power supply works, by the control of the default dutycycle of output
Signal obtains corresponding high voltage direct current with the output end in voltage doubling rectifier module 30 to high voltage output module 20 of pulsing.
Specifically, as shown in Fig. 2 the input of rectification module 10 is connected with electric main, the output of rectification module 10
Hold and be connected with the input of pulsation high voltage output module 20, output end and the voltage doubling rectifier module 30 of high voltage output module 20 of pulsing
Input be connected, the output end of voltage doubling rectifier module 30 is connected with load.
When high voltage power supply works on power, the rectified module of electric main 10 is converted into low-voltage DC VDC, high pressure of pulsing
20 couples of low-voltage DC VDC of output module enter line translation, with the high-tension electricity of output ripple to voltage doubling rectifier module 30, Ran Houyou
Voltage doubling rectifier module 30 exports high voltage direct current.Wherein, the output voltage main with rectification module 10 of the size of high voltage direct current,
The parameter (such as high-low pressure no-load voltage ratio, the dutycycle of the control signal for producing pulsation) of pulsation high voltage output module 20, voltage multiplying rectifier mould
The relating to parameters of block 30.And after working as hardware circuit determination, for example, rectification module 10 adopts Switching Power Supply or uncontrollable rectified current
Road, voltage doubling rectifier module 30 adopt halfwave rectifier and during many voltage-multiplying circuits, the size of high voltage direct current only with pulsation High voltage output
The dutycycle of the control signal of module 30 is relevant, and dutycycle is higher, and the voltage of high voltage direct current is higher.
According to one embodiment of present invention, as shown in figure 3, pulsation high voltage output module may include：Transformer 21 and open
Pipe 22 is closed, after the primary coil of transformer 21 is connected with switching tube 22, is connected in parallel between the output end of rectification module 10, transformer
21 secondary coil is corresponding with the input of voltage doubling rectifier module 30 to be connected.Wherein, switching tube 22 can for triode, IGBT,
Metal-oxide-semiconductor etc., transformer 21 can be step-up transformer.
Specifically, as shown in figure 3, when high voltage power supply works on power, rectification module 10 exports the low-voltage direct of fixation
Electricity to transformer 21 primary coil, meanwhile, control chip (such as MCU) output control signal (such as pwm signal) to switching tube 22,
Driving switch pipe 22 carries out turn-on and turn-off, so as to alternating voltage is produced on the primary coil of transformer 21, now transformer
21 secondary coil will induce the high-tension electricity of pulsation, and then Jing voltage doubling rectifier modules 30 are changed, with the height needed for exporting
Pressure direct current.Wherein, the output voltage main with rectification module 10 of the size of high voltage direct current, the no-load voltage ratio of transformer 21, switch
The dutycycle of 22 control signal of pipe, the relating to parameters of voltage doubling rectifier module 30.And after hardware circuit determines, high voltage direct current
Size is only relevant with the dutycycle of the control signal of switching tube, and dutycycle is higher, and high voltage direct current is bigger.
When opening due to high voltage power supply, greater impact may be produced to the power component in circuit, therefore, in high pressure
Certain measure need to be taken during electric power starting, it is ensured that components and parts will not be damaged.
As shown in figure 5, the opening device of the high voltage power supply may include acquiring unit 100, adjustment unit 200 and control unit
300。
Wherein, acquiring unit 100 obtains pulsation high voltage output module for when the open signal of high voltage power supply is received
The target duty ratio of 20 control signal.Adjustment unit 200 is connected with acquiring unit 100, and adjustment unit 200 is for high to pulsation
The dutycycle of the control signal of pressure output module 20 is started from scratch and carries out tuning up control.Control unit 300 and 200 phase of adjustment unit
Even, control unit 300 is reached up to dutycycle for being controlled to high voltage output module 20 of pulsing according to the dutycycle after regulation
To target duty ratio, the default high voltage direct current of output end acquisition of voltage doubling rectifier module 30.
According to one embodiment of present invention, the control signal of the pulsation of adjustment unit 200 pairs high voltage output modules 20 is accounted for
It is empty when carrying out tuning up control than starting from scratch, wherein, default dutycycle is tuned up the every the first Preset Time by adjustment unit 200
One preset value.
Specifically, generally when high voltage power supply open signal is received, default target duty ratio can directly be exported
Control signal to switching tube 22, quickly open by high voltage power supply, but this can produce great impact to the components and parts in circuit.Therefore,
After open signal is received, the dutycycle of control signal is started from scratch and gradually increase by adjustment unit 200, for example, can be with every
Default dutycycle is tuned up into the first preset value every the first Preset Time, control unit 300 is opened according to the Duty ratio control after regulation
Turning on and off for pipe 22 is closed, until dutycycle reaches target duty ratio, the output end of voltage doubling rectifier module 30 obtains default
High voltage direct current, powering load.
In an embodiment of the present invention, the first Preset Time can be fixed or adjustable Preset Time, the first preset value
Can be fixed or adjustable preset value.
Specifically, with the first Preset Time as fixed Preset Time, as a example by the first preset value is for fixed preset value.As schemed
Shown in 4, it is assumed that target duty ratio is D0, and the first Preset Time is Δ T, and the first preset value is Δ D, then every Δ T time, adjust
Dutycycle is started from scratch and tunes up Δ D by section unit 200, i.e. D1=0+ Δs D, D2=D1+ Δ D ..., circulate operation, until duty
Than D=D0, stopping carries out tuning up control to dutycycle, and now, control unit 300 is according to 22 work of dutycycle D0 driving switch pipe
Make, voltage doubling rectifier module 30 exports default high voltage direct current, high voltage power supply is opened.So as to by the duty to control signal
High voltage power supply is opened than the mode heightened step by step, it is ensured that the power component in circuit will not be impacted,
Improve the reliability and service life of components and parts.
Alternatively, it is also possible to be adjusted to dutycycle according to fixed Preset Time, adjustable preset value, or according to adjustable pre-
If time, fixed preset value are adjusted to dutycycle, or dutycycle are carried out according to adjustable Preset Time, adjustable preset value
Adjust, specifically I will not elaborate.
The opening device of high voltage power supply according to embodiments of the present invention, when the open signal of high voltage power supply is received, leads to
Cross the target duty ratio that acquiring unit obtains the control signal of pulsation high voltage output module.Adjustment unit is to High voltage output mould of pulsing
The dutycycle of the control signal of block is started from scratch to be carried out tuning up control.Control unit is according to the dutycycle after regulation to high pressure of pulsing
Output module is controlled, until dutycycle reaches target duty ratio, the output end of voltage doubling rectifier module obtains default high pressure
Direct current.During opening in high voltage power supply, it is ensured that the power component in circuit from impact, so as to improve
The reliability and service life of high voltage power supply.
In addition, embodiments of the invention also proposed a kind of high voltage power supply, which includes above-mentioned opening device.
The high voltage power supply of the embodiment of the present invention, by above-mentioned opening device, can protect in high voltage power supply opening process
The power component in circuit is demonstrate,proved from impact, so as to improve the reliability and service life of high voltage power supply.
Additionally, the embodiment of the present invention also proposed a kind of household electrical appliance, which includes above-mentioned high voltage power supply.
Specifically, household electrical appliance can be the no material consumption air purifier using plasma cleaning technology, and abbreviation ion is net
Change device 1000, its operation principle is：Superelevation DC voltage is loaded to ion generator 1002 by high voltage power supply 1001 so that stream
The air ionization crossed in ion generator 1002, the impurity in air are powered, then the collecting plate adsorbing contaminant by opposite voltage,
So as to clean air.
When user opens ion purifier 1000 by remote control, can by gradually heighten the dutycycle of control signal come
Control high voltage power supply 1001 is opened, and to avoid in 1001 opening process of high voltage power supply, the power component in circuit is impacted,
So as to improve the reliability and service life of components and parts, and then ensure the reliability and service life of high voltage power supply, it is ensured that from
The reliability that sub- clarifier is powered.
Household electrical appliance according to embodiments of the present invention, by above-mentioned high voltage power supply, can be in high voltage power supply opening process
In, it is ensured that the power component in circuit, so as to improve the reliability and service life of high voltage power supply and then ensures from impact
The power supply reliability of household electrical appliance.
In describing the invention, it is to be understood that term " " center ", " longitudinal direction ", " horizontal ", " length ", " width ",
" thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outward ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " be based on orientation shown in the drawings or
Position relationship, is for only for ease of the description present invention and simplifies description, rather than indicates or imply that the device or element of indication must
With specific orientation, with specific azimuth configuration and operation, therefore must be not considered as limiting the invention.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include at least one this feature.In describing the invention, " multiple " are meant that at least two, such as two, three
It is individual etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or it is integral；Can be that machinery connects
Connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can be in two elements
The connection in portion or the interaction relationship of two elements, unless otherwise clearly restriction.For one of ordinary skill in the art
For, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be with
It is the first and second feature directly contacts, or the first and second features is by intermediary mediate contact.And, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature are directly over second feature or oblique upper, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
Example ", or the description of " some examples " etc. mean specific features with reference to the embodiment or example description, structure, material or spy
Point is contained at least one embodiment or example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.And, the specific features of description, structure, material or feature can be with office
Combined in one or more embodiments or example in an appropriate manner.Additionally, in the case of not conflicting, the skill of this area
The feature of the different embodiments or example described in this specification and different embodiments or example can be tied by art personnel
Close and combine.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (10)
1. a kind of open method of high voltage power supply, it is characterised in that the high voltage power supply includes rectification module, the arteries and veins being sequentially connected
Dynamic high voltage output module and voltage doubling rectifier module, the method comprising the steps of：
When the open signal of high voltage power supply is received, the target duty of the control signal of the pulsation high voltage output module is obtained
Than；
The dutycycle of the control signal of the pulsation high voltage output module is started from scratch carries out tuning up control, and according to regulation after
Dutycycle the pulsation high voltage output module is controlled, until dutycycle reaches the target duty ratio, the multiplication of voltage
The output end of rectification module obtains default high voltage direct current.
2. the open method of high voltage power supply as claimed in claim 1, it is characterised in that described to the pulsation High voltage output mould
The dutycycle of the control signal of block is started from scratch to be carried out tuning up control, including：
The default dutycycle is tuned up into the first preset value every the first Preset Time.
3. the open method of high voltage power supply as claimed in claim 2, it is characterised in that first Preset Time for fixed or
Person is adjustable Preset Time, first preset value are fixed or adjustable preset value.
4. the open method of the high voltage power supply as any one of claim 1-3, it is characterised in that the pulsation high pressure is defeated
Going out module includes：Transformer and switching tube, after the primary coil of the transformer is connected with the switching tube, are connected in parallel on described whole
Between the output end of flow module, the secondary coil of the transformer is corresponding with the input of the voltage doubling rectifier module to be connected.
5. a kind of opening device of high voltage power supply, it is characterised in that the high voltage power supply includes rectification module, the arteries and veins being sequentially connected
Dynamic high voltage output module and voltage doubling rectifier module, described device include：
Acquiring unit, for when the open signal of high voltage power supply is received, obtaining the control of the pulsation high voltage output module
The target duty ratio of signal；
Adjustment unit, the adjustment unit are connected with the acquiring unit, and the adjustment unit is for defeated to the pulsation high pressure
The dutycycle for going out the control signal of module is started from scratch and carries out tuning up control；
Control unit, described control unit are connected with the adjustment unit, and described control unit is for according to the duty after regulation
Compare the pulsation high voltage output module to be controlled, until dutycycle reaches the target duty ratio, the voltage multiplying rectifier mould
The output end of block obtains default high voltage direct current.
6. the opening device of high voltage power supply as claimed in claim 5, it is characterised in that the adjustment unit is high to the pulsation
The dutycycle of the control signal of pressure output module is started from scratch when carrying out tuning up control, wherein,
The default dutycycle is tuned up the first preset value every the first Preset Time by the adjustment unit.
7. the opening device of high voltage power supply as claimed in claim 6, it is characterised in that first Preset Time for fixed or
Person is adjustable Preset Time, first preset value are fixed or adjustable preset value.
8. the opening device of the high voltage power supply as any one of claim 5-7, it is characterised in that the pulsation high pressure is defeated
Going out module includes：Transformer and switching tube, after the primary coil of the transformer is connected with the switching tube, are connected in parallel on described whole
Between the output end of flow module, the secondary coil of the transformer is corresponding with the input of the voltage doubling rectifier module to be connected.
9. a kind of high voltage power supply, it is characterised in that include the unlatching dress of the high voltage power supply as any one of claim 5-8
Put.
10. a kind of household electrical appliance, it is characterised in that including high voltage power supply as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611254878.3A CN106533149A (en) | 2016-12-30 | 2016-12-30 | High-voltage power supply, high-voltage power supply turn-on method, high-voltage power supply turn-on device and household electrical appliance |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611254878.3A CN106533149A (en) | 2016-12-30 | 2016-12-30 | High-voltage power supply, high-voltage power supply turn-on method, high-voltage power supply turn-on device and household electrical appliance |
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| CN106533149A true CN106533149A (en) | 2017-03-22 |
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| CN201611254878.3A Pending CN106533149A (en) | 2016-12-30 | 2016-12-30 | High-voltage power supply, high-voltage power supply turn-on method, high-voltage power supply turn-on device and household electrical appliance |
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