CN104902663A - Interlocking type high-voltage generating circuit and electrostatic elimination system with same - Google Patents
Interlocking type high-voltage generating circuit and electrostatic elimination system with same Download PDFInfo
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- CN104902663A CN104902663A CN201510276221.6A CN201510276221A CN104902663A CN 104902663 A CN104902663 A CN 104902663A CN 201510276221 A CN201510276221 A CN 201510276221A CN 104902663 A CN104902663 A CN 104902663A
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Abstract
The invention discloses an interlocking type high-voltage generating circuit and an electrostatic elimination system with the same. The system comprises a high-voltage power source, an electrostatic discharging unit and the high-voltage generating circuit enabling the electrostatic discharging unit to perform symmetric discharge. The high-voltage generating circuit at least comprises a first high-voltage generating unit and a second high-voltage generating unit, wherein the first high-voltage generating unit comprises a first switching circuit which is connected with the high-voltage power source and a master control unit, and the second high-voltage generating unit comprises a second switching circuit which is connected with the high-voltage power source and the master control unit. The electrostatic elimination system is ingenious in design and reasonable in structure, an existing alternating-current boosting transformer technology is abandoned, the frequency is adjustable, the applicability of different acting distances is guaranteed, symmetric electrodes are selectively generated, symmetric discharge is achieved, and meanwhile, positive loads and negative loads are generated. Compared with an alternating-current boosting transformer technology, the transmission speed of the positive load ions and negative load ions can be accelerated, the electrostatic elimination efficiency is improved, and meanwhile, drastic fluctuation of balanced voltage cannot be caused.
Description
Technical field
The present invention relates to a kind of high voltage generating circuit and adopt the electrostatic elimination system of this circuit, especially a kind ofly can realize the interlocking-type high voltage generating circuit of symmetrical discharge and adopt the electrostatic elimination system of described interlocking-type high voltage generating circuit.
Background technology
Current, no matter be electron trade, liquid crystal industry or precision manufactureing industry, all more and more higher requirement is proposed to electrostatic defending, this just means, antistatic aids, as various Xelminator will continue the performance improving oneself, have wider management and control scope, lower participation voltage and static elimination time faster.
The booster circuit that straight flow Xelminator of the prior art adopts is the positive and negative voltage of checker often, positive charge ion or negatively charged ions is generated to make sparking electrode, and symmetrical discharge cannot be realized, generate positive and negative charge ion simultaneously, therefore static elimination efficiency is relatively low, easily occurs that balanced voltage fluctuates.
Meanwhile, the diversified Xelminators such as existing single-point type blower fan, wind rod and wind snake, as
The Xelminator disclosed in the utility model patent that application number is 201220321850.8 and the patent of invention that application number is 201110453355.2; electrostatic management and control for regional area around workshop or mounting points can be up to standard; but because its single-point is installed; only can cover the characteristic of local; always in antistatic protection district, leave electrostatic defending dead angle; thus cause some electrostatic damage problems, there is hidden danger.
On the other hand, the blower fan of current application, wind rod have stronger wind-force blowout, if the patent No. is the interchange ion blower as described in CN201220501244, under being applied in clean room environment, may causes the air turbulence of dust free room, affect the cleanliness factor of dust free room; And without the Xelminator that wind-force blows out, its ion flight distance comparatively has the Xelminator flying distance of blower fan shorter, also just be more difficult to cover whole indoor, no matter being therefore have blower fan static elimination or Blower-free Xelminator, all there is certain defect in them.
Therefore be badly in need of a kind of structure of research simple, and comprehensively can solve the high high voltage generating circuit of above-mentioned multiple technologies problem and corresponding electrostatic elimination system.
Summary of the invention
Object of the present invention is exactly to solve the above-mentioned problems in the prior art, provides and a kind ofly can realize the interlocking-type high voltage generating circuit of symmetrical discharge and adopt the electrostatic elimination system of described interlocking-type high voltage generating circuit.
Object of the present invention is achieved through the following technical solutions:
A kind of interlocking-type high voltage generating circuit, comprise high voltage source, static discharge unit and be communicated with described high voltage source and static discharge unit and make the high voltage generating circuit of described static discharge unit symmetrical discharge, described high voltage generating circuit at least comprises
First High voltage generating unit, for generating a pair positive and negative polarity high pressure simultaneously; Described first High voltage generating unit comprises the first switching circuit, for controlling the on/off of described first High voltage generating unit;
Second High voltage generating unit, for generating simultaneously, another aligns, negative polarity high pressure; Described second High voltage generating unit comprises second switch circuit, for controlling the on/off of described second High voltage generating unit;
Main control unit, for sending on/off and the adjustment duty ratio of the first switching circuit or second switch circuit described in interlocking-type signal controlling; And
Static state monitor, is connected with described main control unit;
Described first switching circuit and described high voltage source and main control unit are electrically connected;
Described second switch circuit and described high voltage source and main control unit are electrically connected.
Preferably, described interlocking-type high voltage generating circuit, wherein:
Described high voltage source comprises positive high voltage supply power and negative high voltage supply power, power conditioning unit is connected between described positive high voltage supply power and negative high voltage supply power, described power conditioning unit is for adjusting duty ratio, and it is electrically connected to described control unit and works at the control;
Described first switching circuit comprises the first positive high voltage loop drive circuit and the second negative high voltage loop drive circuit, described first positive high voltage loop drive circuit connects described positive high voltage supply power by the first switch, described second negative high voltage loop drive circuit connects described negative high voltage supply power by second switch, and described first switch and second switch connect described main control unit respectively and control closed according to it or open;
Described second switch circuit comprises the second positive high voltage loop drive circuit and the first negative high voltage loop drive circuit; described second positive high voltage loop drive circuit connects described positive high voltage supply power by the 3rd switch; described first negative high voltage loop drive circuit connects described negative high voltage supply power by the 4th switch, and described 3rd switch and the 4th switch connect described main control unit respectively and control closed according to it or open;
Described first positive high voltage loop drive circuit is connected or connects respectively at least one static discharge unit all jointly with the first negative high voltage loop drive circuit;
Described second positive high voltage loop drive circuit is connected or connects respectively at least one static discharge unit all jointly with the second negative high voltage loop drive circuit.
Preferably, described interlocking-type high voltage generating circuit, wherein: described positive high voltage supply power is connected with the first high voltage package, described negative high voltage supply power is connected with the second high voltage package, and described first high voltage package and the second high voltage package have built-in burn-out-proof resistance respectively.
Preferably, described interlocking-type high voltage generating circuit, wherein: also comprise HV+ range-adjusting circuit and HV-range-adjusting circuit, described HV+ range-adjusting circuit is electrically connected to described main control unit and described first high voltage package, and described HV-range-adjusting circuit is electrically connected to described main control unit and described second high voltage package.
A kind of indoor electrostatic elimination system, comprises interlocking-type high voltage generating circuit, the static state monitor that described interlocking-type high voltage generating circuit comprises high voltage source, static discharge unit, high pressure generation loop, main control unit and is connected with described main control unit;
Described high voltage source comprises positive high voltage supply power and negative high voltage supply power, power conditioning unit is connected between described positive high voltage supply power and negative high voltage supply power, described power conditioning unit is for adjusting duty ratio, and it is electrically connected to described control unit and works at the control;
Even number static discharge unit is connected to described high voltage source by described high voltage generating circuit;
Described high voltage generating circuit comprises the first High voltage generating unit for generating a pair positive and negative polarity high pressure simultaneously, described first High voltage generating unit comprises the first switching circuit, described first switching circuit comprises the first positive high voltage loop drive circuit and the second negative high voltage loop drive circuit, described first positive high voltage loop drive circuit connects described positive high voltage supply power by the first switch, described second negative high voltage loop drive circuit connects described negative high voltage supply power by second switch, and described first switch and second switch connect described main control unit respectively;
Described high voltage generating circuit also comprises for generating simultaneously that another aligns, the second High voltage generating unit of negative polarity high pressure, described second High voltage generating unit comprises second switch circuit, described second switch circuit comprises the second positive high voltage loop drive circuit and the first negative high voltage loop drive circuit, described second positive high voltage loop drive circuit connects described positive high voltage supply power by the 3rd switch, described first negative high voltage loop drive circuit connects described negative high voltage supply power by the 4th switch, and described 3rd switch and the 4th switch connect described main control unit respectively;
Described main control unit, for controlling the on/off of described first switching circuit and second switch circuit, and when a time period conducting first switching circuit or second switch circuit, selectively form symmetry electrode.
Preferably, described indoor electrostatic elimination system, wherein: the FFU air outlet and the static state monitor that also comprise some roofs disposed in the interior, the below of each described FFU air outlet is provided with described even number static discharge unit, described static state monitor is arranged on station place and is electrically connected to described main control unit by communicating circuit, and the data that described main control unit obtains according to described static state monitor monitors carry out policy control.
Preferably, described indoor electrostatic elimination system, wherein: the quantity of described static discharge unit is two, and their gaps are arranged, static discharge unit described in one of them is electrically connected to described first positive high voltage loop drive circuit and the first negative high voltage loop drive circuit, and static discharge unit described in another is electrically connected to described second positive high voltage loop drive circuit and the second negative high voltage loop drive circuit.
Preferably, described indoor electrostatic elimination system, wherein: the below of each described FFU air outlet is provided with four described static discharge unit, described four static discharge unit are in square or distributed rectangular, and their gaps are arranged and clearance distance between them is adjustable.
Preferably, described indoor electrostatic elimination system, wherein: each described static discharge unit is connected on a high tension loop drive circuit or two static discharge unit of arbitrary neighborhood are all electrically connected to described first positive high voltage loop drive circuit and the first negative high voltage loop drive circuit, and static discharge unit described in two other is all electrically connected to described second positive high voltage loop drive circuit and the second negative high voltage loop drive circuit.
The advantage of technical solution of the present invention is mainly reflected in:
Deft design of the present invention, rational in infrastructure, interlocking-type high voltage generating circuit of the present invention, has abandoned the technology of existing ac step-up transformer, has made frequency-adjustable, this ensure that the applicability in different operating distance; And, the positive or negative high voltage alternating signal interlocked can be generated in program control type ground, selectable generation symmetry electrode, form symmetrical discharge, generate positive and negative charge ion, simultaneously on the basis that ensure that precision, compare the technology of ac step-up transformer, the transmission speed of positive and negative charge ion can be accelerated, improve static elimination efficiency, the fluctuation of balanced voltage can not be caused simultaneously.
By arranging burn-out-proof resistance in the high voltage package coordinated, can effectively improve its durability, and ensure that the safety of operating personnel.
Adopt the electrostatic elimination system of interlocking-type high voltage generating circuit, wind-force by FFU can expand the conveying scope of ion, each FFU air outlet arranges static discharge unit and effectively covers whole plant area or dust free room, for whole plant area sets up a uniform electrostatic management and control environment; And do not need the blowing devices such as extra hair-dryer, fan due to this system, therefore also there will not be the air turbulence of dust free room, affect the problem of dust free room cleanliness factor, be conducive to the comfort level improving whole on-site simultaneously; Further by quantity and the arrangement form of the static discharge unit under the indoor each FFU air port of rational deployment, positive and negative charge ion growing amount can be improved to greatest extent, accelerate the covering of static elimination and plant area, be conducive to improving electrostatic removal efficiency.
By the static discharge unit of space module formula, by the layout of adjustment static discharge unit and density, can farthest improve the efficiency of electrostatic defending.
By arranging electrostatic monitoring unit, being conducive to the reaction speed improving static discharge unit, and ensureing its precision.
Accompanying drawing explanation
Fig. 1 is that in the present invention, interlocking-type high pressure produces main circuit view;
Fig. 2 is electrical block diagram in the present invention;
Fig. 3 is electrostatic elimination system schematic diagram in embodiment 1 in the present invention.
Embodiment
Object of the present invention, advantage and disadvantage, by for illustration and explanation for the non-limitative illustration passing through preferred embodiment below.These embodiments are only the prominent examples of application technical solution of the present invention, allly take equivalent replacement or equivalent transformation and the technical scheme that formed, all drop within the scope of protection of present invention.
Embodiment 1
Present invention is disclosed a kind of indoor electrostatic elimination system, as shown in Figure 3, it comprises the FFU air outlet 9 on some roofs disposed in the interior and some static state monitors 10, also comprise at least one interlocking-type high voltage generating circuit, described interlocking-type high voltage generating circuit is mainly used in selectively generating a pair symmetry electrode, realize symmetrical discharge, namely in sometime, enable the discharge equipment in circuit generate positive charge ion and negatively charged ions simultaneously.
As shown in accompanying drawing 1, accompanying drawing 2, described interlocking-type high voltage generating circuit comprises high voltage source 1, static discharge unit 2, high pressure generation loop 3 and main control unit 8;
Described high voltage source 1 comprises positive high voltage supply power 11 and negative high voltage supply power 12, power conditioning unit 13 is connected between described positive high voltage supply power 11 and negative high voltage supply power 12, described power conditioning unit 13 is for adjusting duty ratio, and it is electrically connected to described control unit 8 and works at the control; Described positive high voltage supply power 11 is connected with the first high voltage package, and described negative high voltage supply power 12 is connected with the second high voltage package, and described first high voltage package and the second high voltage package have built-in burn-out-proof resistance respectively.
Described high voltage generating circuit 3 for being communicated with described high voltage source 1 and static discharge unit 2, and makes described static discharge unit 2 symmetrical discharge under the control of described main control unit 8, concrete, described high voltage generating circuit 3 comprises and aligning for generating one simultaneously, first High voltage generating unit 4 of negative polarity high pressure, described first High voltage generating unit 4 comprises the first switching circuit 6, described first switching circuit 6 is for controlling the on/off of described first High voltage generating unit 4, it comprises the first positive high voltage loop drive circuit 61 and the second negative high voltage loop drive circuit 62, described first positive high voltage loop drive circuit 61 connects described positive high voltage supply power 11 by the first switch 63, described second negative high voltage loop drive circuit 62 connects described negative high voltage supply power 12 by second switch 64, described first switch 63 and second switch 64 connect described main control unit 8 respectively.
Described high voltage generating circuit 3 also comprises and aligning for generating another simultaneously, second High voltage generating unit 5 of negative polarity high pressure, described second High voltage generating unit 5 comprises second switch circuit 7, described second switch circuit 7 comprises the second positive high voltage loop drive circuit 71 and the first negative high voltage loop drive circuit 72, described second positive high voltage loop drive circuit 71 connects described positive high voltage supply power 11 by the 3rd switch 73, described first negative high voltage loop drive circuit 72 connects described negative high voltage supply power 12 by the 4th switch 74, described 3rd switch 73 and the 4th switch 74 connect described main control unit 8 respectively,
Further, described high voltage generating circuit 3 also comprises HV+ range-adjusting circuit and HV-range-adjusting circuit, described HV+ range-adjusting circuit is electrically connected to described main control unit 8 and described first high voltage package, and described HV-range-adjusting circuit is electrically connected to described main control unit 8 and described second high voltage package.
Described main control unit 8, for controlling the on/off of described first switching circuit 6 and second switch circuit 7, and when a time period conducting switching circuit, selectively form symmetry electrode, realize symmetrical discharge.
In this embodiment, each described FFU air outlet 9 parallel beneath arranges two described static discharge unit 2, static discharge unit 2 described in one of them is electrically connected to described first positive high voltage loop drive circuit 61 and the first negative high voltage loop drive circuit 72, and static discharge unit 2 described in another is electrically connected to described second positive high voltage loop drive circuit 71 and the second negative high voltage loop drive circuit 62; Described in several, static state monitor 10 is separately positioned on the zones of different of station, and the main control unit 8 be electrically connected to by communicating circuit on described Xelminator, described main control unit 8 is also for monitoring the data obtained according to described static state monitor 10, carry out policy control, described policy control at least comprises:
(1) by adjustment duty ratio, extend the operating time of positive high voltage drive circuit and shorten time of negative high voltage drive circuit, thus increasing the growing amount of positive charge ion, reducing the growing amount of negatively charged ions;
(2) by adjustment duty ratio, shorten the operating time of positive high voltage drive circuit and extend time of negative high voltage drive circuit, thus reducing the growing amount of positive charge ion, increasing the growing amount of negatively charged ions.
During the work of this electrostatic elimination system, its concrete process is as follows:
Simultaneously after positive high voltage supply power 11 described in conducting and negative high voltage supply power 12, at point sometime, described main control unit 8 controls described first switch 63 and second switch 64 closes, and the 3rd switch 73 and the 4th switch 74 are disconnected, thus be communicated with described first switching circuit 6, now, first positive high voltage drive circuit 61 and the second negative high voltage drive circuit 62 conducting, therefore the static discharge unit 2 be connected on described first positive high voltage loop drive circuit 61 and the first negative high voltage loop drive circuit 72 accepts positive voltage, and ionized air produces positive charge ion; And the static discharge unit 2 being connected to described second positive high voltage loop drive circuit 71 and the second negative high voltage loop drive circuit 62 accepts negative voltage, and ionized air produces negatively charged ions, realizes symmetrical discharge.
After first switching circuit 6 conducting certain hour, described main control unit 8 controls described first switch 63 and second switch 64 disconnects, and the 3rd switch 73 and the 4th switch 74 are closed, thus disconnect described first switching circuit 6, and second switch circuit 7 described in conducting, now, described second positive high voltage loop drive circuit 71 and the first negative high voltage loop drive circuit 72 conducting, therefore, the static discharge unit 2 be connected on described first positive high voltage loop drive circuit 61 and the first negative high voltage loop drive circuit 72 accepts negative voltage, and ionized air produces negatively charged ions; And the static discharge unit 2 being connected to described second positive high voltage loop drive circuit 71 and the second negative high voltage loop drive circuit 62 accepts positive voltage, and ionized air produces positive charge ion, by alternately controlling the opening and closing of described first switching circuit 6 and second switch circuit 7, thus constantly produce the high pressure of a pair opposite polarity, selectable generation symmetry electrode, realizes symmetrical discharge.
According to electric charge two like magnetic poles repel each other, the principle that there is a natural attraction between the sexes, the positive and negative charge ion simultaneously generated attracts each other, thus accelerate the transmission speed of positive and negative charge ion, again by the wind-force that described FFU produces, be diffused into more rapidly under wind speed effect in whole dust free room, and the electrostatic neutralization of will indoor object, human body carry, substantially increase static elimination efficiency.And owing to generating positive and negative charge ion simultaneously, even if when after the static elimination in dust free room, unnecessary positive and negative charge ion can neutralize, also can not occur unnecessary because of certain ion thus occur the situation that balanced voltage fluctuates, effectively balanced voltage can be controlled in lower scope, herein preferably no more than ± 35V, be more preferably no more than ± 30V, further preferably no more than ± 10V.
Simultaneously, described static state monitor 10 is monitored indoor electrostatic situation in real time, understand the situation of change of indoor balanced voltage, and Monitoring Data is transferred to described main control unit 8, when monitoring show that indoor positive charge level uprises, then the signal improving negatively charged ions growing amount is sent to described power conditioning unit 13 by described main control unit 8, described power conditioning unit 13 reduces the duty ratio of the first high voltage package that described positive high voltage service voltage 11 connects and improves the duty ratio of the second high voltage package that described negative high voltage supply power 12 connects, thus increase the time that static discharge unit 2 generates negatively charged ions, improve the growing amount of negatively charged ions, on the contrary, when monitoring show that indoor negative electrical charge level uprises, then described main control unit 8 by improve positive charge ion growing amount signal send to described power conditioning unit 13, described power conditioning unit 13 improves the duty ratio of the first high voltage package that described positive high voltage service voltage 11 connects and reduces the duty ratio of the second high voltage package that described negative high voltage supply power 12 connects, thus increase the time that static discharge unit 2 generates positive charge ion, increase the growing amount of positive charge ion.
The adjustment process of duty ratio is along with the data implementing monitoring progressively adjust, instead of a step realizes, and is thus conducive to the reaction speed improving static discharge unit 2, ensures the accuracy adjusted simultaneously.Embodiment 2
The present embodiment is close with embodiment 1 overall structure, its distinctive points is: the quantity of the described static discharge unit 2 arranged below each described FFU air outlet 9 is four, described four static discharge unit 2 are in square or distributed rectangular, their gaps arrange and clearance distance is adjustable, every bar high tension loop drive circuit connects a described static discharge unit 2, and two parallel static discharge unit 2 are connected in the first high voltage generating circuit 3, another two are connected in the second high voltage generating circuit 4;
Now, its course of work and embodiment 1 roughly close, distinctive points is: when the first high voltage generating circuit 3 conducting, when second high voltage generating circuit 4 disconnects, be connected to two electrostatic discharge electrode 2 symmetrical discharge on described first high voltage generating circuit 3, namely one generates positive charge ion, and one generates negatively charged ions; Meanwhile, two the static discharge unit 2 being connected to described second high voltage generating circuit 4 do not discharge.
After a period of time, described main control unit 8 disconnects the first high voltage generating circuit 3, and conducting second high voltage generating circuit 4, now, two electrostatic discharge electrodes 2 be connected on described first high voltage generating circuit 3 do not discharge; Meanwhile, be connected to two static discharge unit 2 symmetrical discharge of described second high voltage generating circuit 4, namely one generates positive charge ion, and one generates negatively charged ions.
In another case, in described four static discharge unit 2, two static discharge unit 2 of arbitrary neighborhood are all electrically connected to described first positive high voltage loop drive circuit 61 and the second negative high voltage loop drive circuit 62, and static discharge unit 2 described in two other is all electrically connected to described second positive high voltage loop drive circuit 71 and the first negative high voltage loop drive circuit 72; The process of its course of work and embodiment 1 is close, does not repeat them here.
The present invention still has numerous embodiments, all employing equivalents or equivalent transformation and formed
All technical schemes, all drop within protection scope of the present invention.
Claims (9)
1. an interlocking-type high voltage generating circuit, it is characterized in that: comprise high voltage source (1), even number static discharge unit (2) and be communicated with described high voltage source (1) and static discharge unit (2) and make the high voltage generating circuit (3) of described static discharge unit (2) symmetrical discharge, described high voltage generating circuit (3) at least comprises
First High voltage generating unit (4), for generating a pair positive and negative polarity high pressure simultaneously; Described first High voltage generating unit (4) comprises the first switching circuit (6), for controlling the on/off of described first High voltage generating unit (4);
Second High voltage generating unit (5), for generating simultaneously, another aligns, negative polarity high pressure; Described second High voltage generating unit (5) comprises second switch circuit (7), for controlling the on/off of described second High voltage generating unit (5);
Main control unit (8), for sending on/off and the adjustment duty ratio of the first switching circuit (6) or second switch circuit (7) described in interlocking-type signal controlling; And
Static state monitor (10), is connected with described main control unit (8);
Described first switching circuit (6) is electrically connected with described high voltage source (1) and main control unit (8);
Described second switch circuit (7) is electrically connected with described high voltage source (1) and main control unit (8).
2. interlocking-type high voltage generating circuit according to claim 1, is characterized in that:
Described high voltage source (1) comprises positive high voltage supply power (11) and negative high voltage supply power (12), power conditioning unit (13) is connected between described positive high voltage supply power (11) and negative high voltage supply power (12), described power conditioning unit (13) is for adjusting duty ratio, and it is electrically connected to described control unit (8) and works at the control;
Described first switching circuit (6) comprises the first positive high voltage loop drive circuit (61) and the second negative high voltage loop drive circuit (62), described first positive high voltage loop drive circuit (61) connects described positive high voltage supply power (11) by the first switch (63), described second negative high voltage loop drive circuit (62) connects described negative high voltage supply power (12) by second switch (64), and described first switch (63) and second switch (64) connect described main control unit (8) respectively and control closed according to it or open;
Described second switch circuit (7) comprises the second positive high voltage loop drive circuit (71) and the first negative high voltage loop drive circuit (72), described second positive high voltage loop drive circuit (71) connects described positive high voltage supply power (11) by the 3rd switch (73), described first negative high voltage loop drive circuit (72) connects described negative high voltage supply power (12) by the 4th switch (74), and described 3rd switch (73) and the 4th switch (74) connect described main control unit (8) respectively and control closed according to it or open;
Described first positive high voltage loop drive circuit (61) is connected or connects respectively at least one static discharge unit (2) jointly with the first negative high voltage loop drive circuit (72); Described second positive high voltage loop drive circuit (71) is connected or connects respectively at least one static discharge unit (2) jointly with the second negative high voltage loop drive circuit (62).
3. interlocking-type high voltage generating circuit according to claim 2, it is characterized in that: described positive high voltage supply power (11) is connected with the first high voltage package, described negative high voltage supply power (12) is connected with the second high voltage package, and described first high voltage package and the second high voltage package have built-in burn-out-proof resistance respectively.
4. interlocking-type high voltage generating circuit according to claim 3, it is characterized in that: also comprise HV+ range-adjusting circuit and HV-range-adjusting circuit, described HV+ range-adjusting circuit is electrically connected to described main control unit (8) and described first high voltage package, and described HV-range-adjusting circuit is electrically connected to described main control unit (8) and described second high voltage package.
5. an indoor electrostatic elimination system, comprise interlocking-type high voltage generating circuit, it is characterized in that: the static state monitor (10) that described interlocking-type high voltage generating circuit comprises high voltage source (1), even number static discharge unit (2), high pressure generation loop (3), main control unit (8) and is connected with described main control unit (8);
Described high voltage source (1) comprises positive high voltage supply power (11) and negative high voltage supply power (12), power conditioning unit (13) is connected between described positive high voltage supply power (11) and negative high voltage supply power (12), described power conditioning unit (13) is for adjusting duty ratio, and it is electrically connected to described control unit (8) and works at the control;
Even number static discharge unit (2) is connected to described high voltage source (1) by described high voltage generating circuit (3);
Described high voltage generating circuit (3) comprises and aligning for generating one simultaneously, first High voltage generating unit (4) of negative polarity high pressure, described first High voltage generating unit (4) comprises the first switching circuit (6), described first switching circuit (6) comprises the first positive high voltage loop drive circuit (61) and the second negative high voltage loop drive circuit (62), described first positive high voltage loop drive circuit (61) connects described positive high voltage supply power (11) by the first switch (63), described second negative high voltage loop drive circuit (62) connects described negative high voltage supply power (12) by second switch (64), described first switch (63) and second switch (64) connect described main control unit (8) respectively,
Described high voltage generating circuit (3) also comprises and aligning for generating another simultaneously, second High voltage generating unit (5) of negative polarity high pressure, described second High voltage generating unit (5) comprises second switch circuit (7), described second switch circuit (7) comprises the second positive high voltage loop drive circuit (71) and the first negative high voltage loop drive circuit (72), described second positive high voltage loop drive circuit (71) connects described positive high voltage supply power (11) by the 3rd switch (73), described first negative high voltage loop drive circuit (72) connects described negative high voltage supply power (12) by the 4th switch (74), described 3rd switch (73) and the 4th switch (74) connect described main control unit (8) respectively,
Described main control unit (8), for controlling the on/off of described first switching circuit (6) and second switch circuit (7), and when a time period conducting first switching circuit (6) or second switch circuit (7), selectively form symmetry electrode, produce symmetrical discharge.
6. indoor electrostatic elimination system according to claim 5, it is characterized in that: the FFU air outlet 9 also comprising some roofs disposed in the interior, the below of each described FFU air outlet (9) is provided with described even number static discharge unit (2), described static state monitor (10) is arranged on station place and is electrically connected to described main control unit (8) by communicating circuit, and the data that described main control unit (8) obtains according to described static state monitor (10) monitoring carry out policy control.
7. indoor electrostatic elimination system according to claim 6, it is characterized in that: the quantity of described static discharge unit (2) is two, and their gaps are arranged, static discharge unit (2) described in one of them is electrically connected to described first positive high voltage loop drive circuit (61) and the first negative high voltage loop drive circuit (72), and static discharge unit (2) described in another is electrically connected to described second positive high voltage loop drive circuit (71) and the second negative high voltage loop drive circuit (62).
8. interlocking-type high voltage generating circuit according to claim 6, it is characterized in that: the below of each described FFU air outlet (9) is provided with four described static discharge unit (2), described four static discharge unit (2) are in square or distributed rectangular, and their gaps are arranged and clearance distance between them is adjustable.
9. indoor electrostatic elimination system according to claim 8, it is characterized in that: each described static discharge unit (2) is connected on a high tension loop drive circuit or two static discharge unit (2) of arbitrary neighborhood are all electrically connected to described first positive high voltage loop drive circuit (61) and the first negative high voltage loop drive circuit (72), and static discharge unit (2) described in two other is all electrically connected to described second positive high voltage loop drive circuit (71) and the second negative high voltage loop drive circuit (62).
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| CN201510276221.6A CN104902663B (en) | 2015-05-27 | 2015-05-27 | Interlocking-type high voltage generating circuit and the electrostatic elimination system using the interlocking-type high voltage generating circuit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109639174A (en) * | 2019-01-18 | 2019-04-16 | 上海安平静电科技有限公司 | Pulse ac discharge circuit and its control method, pulse ac electric discharge device |
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