CN103716976A - Static electricity eliminating device for outputting positive and negative direct current high voltage alternatively through single needle - Google Patents
Static electricity eliminating device for outputting positive and negative direct current high voltage alternatively through single needle Download PDFInfo
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Abstract
The invention relates to a static electricity eliminating device for outputting positive and negative direct current high voltages alternatively through a single needle and belongs to the field of static electricity. The discharging electrode of the static electricity eliminating device is a single discharging electrode. A positive high-voltage alternating frequency coding device, a negative high-voltage alternating frequency coding device, a positive high-voltage duty ratio coding device, a negative high-voltage duty ratio coding device and a high-voltage output dial-up device are arranged; the output ends of the positive high-voltage alternating frequency coding device, the negative high-voltage alternating frequency coding device, the positive high-voltage duty ratio coding device and the negative high-voltage duty ratio coding device are connected with a single chip microcomputer control circuit. The input end of the high-voltage output dial-up device is connected with the output end of a high-voltage drive circuit. Optoelectronic switches are arranged between the output end of the high-voltage output dial-up device and the input end of a positive voltage boosting module and between the output end of the high-voltage output dial-up device and the input end of a negative voltage boosting module. The control ends of the optoelectronic switches are connected with an I/O port of the single chip microcomputer control circuit. The first output ends of the optoelectronic switches are connected with the input end of the positive voltage boosting module and the second output ends of the optoelectronic switches are connected with the input end of the negative voltage boosting module. A positive voltage anti-back-striking overvoltage module and a negative voltage anti-back-striking overvoltage module are arranged at the output end of the positive voltage boosting module and the output end of the negative voltage boosting module. The positive voltage anti-back-striking overvoltage module and the negative voltage anti-back-striking overvoltage module are connected with the single discharging electrode.
Description
Technical field
The invention belongs to electrostatic art, relate in particular to a kind of active static eraser of eliminating for static.
Background technology
Active static technology for eliminating is obtaining increasingly extensive application in industries such as semiconductor, encapsulation, photoelectricity, communication, spraying, printing, weaving, medical equipment, building materials and injection mouldings.
Existing active static eraser, the circuit of its electrostatic ionic generation and control section, the control circuit structure that conventionally adopts main control processor, positive high voltage generator, negative high-voltage generator, compressed air source or fan, balanced voltage induction net, feedback loop processing module to form.The high-pressure ion that compressed air source wherein or fan produce high pressure generator blows; Balanced voltage induction net imports the high-pressure ion sensing after the processing of feedback loop processing module into, and signal is passed to main control processor, and main control processor is according to the signal of receiving, the amount of ions that corresponding high pressure generator is produced regulates.
For example, Granted publication day is on June 19th, 2013, in the Chinese utility model patent that Granted publication number is CN203015259U, disclose a kind of " with the intelligent ion blower of digital display module ", it comprises high-voltage generating unit, sparking electrode, axial flow blower, control unit, voltage-regulation unit, mould-number conversion unit and induced voltage checkout gear; The output of its positive and negative high-voltage generating unit is connection corresponding to positive and negative sparking electrode respectively, be arranged on the induced voltage checkout gear of axial flow blower air outlet, through mould-number conversion unit, be connected with control unit, control unit is connected with the control end of high-voltage generating unit through voltage-regulation unit.
Technique scheme needs two kinds of sparking electrodes to export respectively positive and negative ion, " the cation spray point " being commonly called as in the industry and " anion spray point ", positive and negative ion spray point described in it, be connected with the output of positive and negative ion generating unit (or claiming positive and negative high pressure generator) respectively, externally export respectively static and eliminate required positive and negative ion.
Because technique scheme needs at least two spray points, export positive and negative ion, certainly will have a negative impact to ion balance index, the indexs such as " electricity disappears " (being commonly called as of static elimination) distance, discharge electrode residual voltage are all had to impact; In addition, adopt after above-mentioned " crosspointer " structure, it is very little (because the distance between two positive and negative spray points has certain restriction that the volume of static eraser can not be accomplished, can not be too near, otherwise meeting direct combination between the positive and negative ion that positive and negative electrode is exported, affect static eradicating efficacy), when field apparatus installing space has in limited time, installation and the application of static eraser are subject to certain restrictions.
In addition, the output high-voltage performance of the Xelminator under existing known technology can not regulate, their output high pressure size is fixed, the frequency of output voltage is fixed, the duty ratio of output voltage is also fixed, and this has just caused its static adaptive capacity to environment to various different places poor.
Therefore, urgently develop the adjustable Xelminator of a kind of output high pressure characteristics and solve the problems referred to above.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of static eraser that single needle is alternately exported positive and negative high direct voltage of realizing, it adopts the tactic pattern of single discharge electrode alternately to export static and eliminates required positive and negative ion, contribute to dwindle the volume of static eraser ion output unit, can adapt to better on-the-spot installation environment, having widened it can use occasion, can shorten its " electricity disappears " distance, guarantee ion balance index, improve static eradicating efficacy; And it adopts PWN control technology to improve its output high pressure characteristics, good to the static adaptive capacity to environment of various different places, with tackle that different production operation environments bring in various degree with the electrostatic hazard of feature.
Technical scheme of the present invention is: a kind of static eraser that single needle is alternately exported positive and negative high direct voltage of realizing is provided, comprise high drive unit, single chip machine controlling circuit, positive voltage boost module, negative voltage boost module and discharge electrode, it is characterized in that: the very single discharge electrode of the electric discharge described in it; Positive and negative high pressure alternating frequency code device, positive or negative high voltage duty ratio code device and High voltage output shifting device are set respectively; Described in it, the output of positive and negative high pressure alternating frequency code device and positive or negative high voltage duty ratio code device, is connected with described single chip machine controlling circuit; The input of described High voltage output shifting device, is connected with the output of described high drive unit; Between the output and positive voltage boost module and the input of negative voltage boost module of described High voltage output shifting device, an optoelectronic switch is set; The corresponding connection of output of the input of described optoelectronic switch and described High voltage output shifting device; The control end of described optoelectronic switch, is connected with the I/O port of described single chip machine controlling circuit; The first output of described optoelectronic switch is connected with the input of described positive voltage boost module; The second output of described optoelectronic switch is connected with the input of described negative voltage boost module; At the output of described positive voltage boost module, the anti-counterattack overvoltage of malleation module is set; At the output of described negative voltage boost module, the anti-counterattack overvoltage of negative pressure module is set; The output of the anti-counterattack overvoltage of described positive and negative pressure module, is connected with described single discharge electrode jointly.
Concrete, described positive and negative high pressure alternating frequency code device, positive or negative high voltage duty ratio code device are digital encoding circuit; Described High voltage output shifting device is that analog quantity dial-up is selected circuit.
Optoelectronic switch described in it is a single-ended input with control end, both-end output circuit, at its control end, is provided with photoelectric isolating circuit.
Photoelectric isolating circuit described in it is optic coupling element; Described single-ended input, both-end output circuit are relay or power switch pipe; The coil circuit of described relay or the base stage of power switch pipe, form the control end of described optoelectronic switch.
Further, the anti-counterattack overvoltage of described malleation module is the forward voltage stabilizing didoe group that the voltage stabilizing didoe of one group of series connection forms, the negative pole end of the first voltage stabilizing didoe of described forward voltage stabilizing didoe group is connected with the output of described positive voltage boost module, and the positive terminal of described last voltage stabilizing didoe of forward voltage stabilizing didoe group is connected with described single discharge electrode.
The anti-counterattack overvoltage of negative pressure module described in it is the reverse voltage stabilizing didoe group that the voltage stabilizing didoe of one group of series connection forms, the positive terminal of the first voltage stabilizing didoe of described reverse voltage stabilizing didoe group is connected with the output of described negative voltage boost module, and the negative pole end of described reverse last voltage stabilizing didoe of voltage stabilizing didoe group is connected with described single discharge electrode.
Positive and negative boost in voltage module described in it comprises respectively a multivibrator circuit, step-up transformer and a voltage doubling rectifing circuit.
Positive voltage boost module described in it, the anti-counterattack overvoltage of malleation module, negative voltage boost module, high potential assembly of the anti-counterattack overvoltage of negative pressure module composition, described high potential assembly is insulated material embedding and is integrated.
Further, described static eraser, by High voltage output shifting device, the low voltage signal of high drive unit output is modulated, low voltage signal after modulation is input to each input of described positive and negative boost in voltage module, and by low-voltage, controlling high-tension mode, to realize the positive and negative high pressure height of output adjustable.
Described static eraser, by positive and negative high pressure alternating frequency code device, the code signal of having selected is transferred to single chip circuit, via single chip circuit, code signal is carried out after analyzing and processing, immediately described optoelectronic switch is sent to corresponding action command, align, each input of negative voltage boost module closes, disconnected action, realizes the different positive and negative high pressure alternating frequency of output.
Described static eraser, by positive and negative high pressure duty ratio code device, the code signal of having selected is transferred to single chip circuit, via single chip circuit, code signal is carried out after analyzing and processing, immediately described optoelectronic switch is sent to corresponding action command, the corresponding time accounting of each input effect to described positive and negative boost in voltage module, realizes the different positive and negative high pressure duty ratio of output.
Further, described static eraser adopts single needle discharge electrode alternately to export static and eliminates required positive and negative ion, avoid the direct combination between positive and negative ion, improve the electric operating efficiency that disappears of static eradicating efficacy and device, shorten its " electricity disappears " distance, guarantee ion balance index, improve static eradicating efficacy, dwindle the volume of static eraser ion output unit, adapt to better various on-the-spot installation environments.
Compared with the prior art, advantage of the present invention is:
1. by High voltage output shifting device, positive and negative high pressure alternating frequency code device and positive and negative high pressure duty ratio code device are set, by PWM technology, the control that the positive and negative ion that static eraser is exported is expected, reaches better output effect;
2. adopt single needle discharge electrode alternately to export static and eliminate required positive and negative ion, contribute to dwindle the volume of static eraser ion output unit, can adapt to better on-the-spot installation environment, having widened it can use occasion, can shorten its " electricity disappears " distance, guarantee ion balance index, improve static eradicating efficacy;
3. by the anti-counterattack overvoltage of positive and negative pressure module is set, the positive and negative high pressure of align, negative voltage boost module being exported carries out step-down processing, finally exports a certain required high-voltage value, prevents because of the positive and negative boost in voltage module of voltage counterattack damage;
4. adopt single needle to replace and positive and negative ion, can avoid the direct combination between positive and negative ion, improve the electric operating efficiency that disappears of static eradicating efficacy and device.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of circuit modular structure of the present invention;
Fig. 2 is the conspectus of high potential assembly of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the present invention will be further described.
In Fig. 1, technical scheme of the present invention provides a kind of static eraser that single needle is alternately exported positive and negative high direct voltage of realizing, comprise high drive unit, single chip machine controlling circuit, positive voltage boost module, negative voltage boost module and discharge electrode, its inventive point is the described very single discharge electrode of electric discharge; Positive and negative high pressure alternating frequency code device, positive or negative high voltage duty ratio code device and High voltage output shifting device are set respectively; Described in it, the output of positive and negative high pressure alternating frequency code device and positive or negative high voltage duty ratio code device, is connected with described single chip machine controlling circuit; The input of described High voltage output shifting device, is connected with the output of described high drive unit; Between the output and positive voltage boost module and the input of negative voltage boost module of described High voltage output shifting device, an optoelectronic switch is set; The corresponding connection of output of the input of described optoelectronic switch and described High voltage output shifting device; The control end of described optoelectronic switch, is connected with the I/O port of described single chip machine controlling circuit; The first output of described optoelectronic switch is connected with the input of described positive voltage boost module; The second output of described optoelectronic switch is connected with the input of described negative voltage boost module; At the output of described positive voltage boost module, the anti-counterattack overvoltage of malleation module is set; At the output of described negative voltage boost module, the anti-counterattack overvoltage of negative pressure module is set; The output of the anti-counterattack overvoltage of described positive and negative pressure module, is connected with described single discharge electrode jointly.
Concrete, described positive and negative high pressure alternating frequency code device, positive or negative high voltage duty ratio code device are digital encoding circuit; Described High voltage output shifting device is that analog quantity dial-up is selected circuit.
Optoelectronic switch described in it is a single-ended input with control end, both-end output circuit, at its control end, is provided with photoelectric isolating circuit.
Photoelectric isolating circuit described in it is optic coupling element; Described single-ended input, both-end output circuit are relay or power switch pipe; The coil circuit of described relay or the base stage of power switch pipe, form the control end of described optoelectronic switch.
In the technical program, because photoelectric isolating circuit, optic coupling element, relay or power switch pipe are prior art, its concrete annexation and the course of work are no longer narrated at this, those skilled in the art, can be with reference to product description or the sample of the corresponding product production firm that is correlated with, obtain relevant preferred circuit or concrete using method, realize technical scheme and technical functionality corresponding in the technical program.
By being set, optoelectronic switch controls its follow-up positive and negative boost in voltage module that outputs signal to of High voltage output shifting device, be actually and on static eraser, used for reference PWM(Pulse Width Modulation, pulse width modulation) technology, reaches control and output effect to positive and negative ion expection.
During real work, when stirring High voltage output shifting device, its d. c. voltage signal to the output of high drive unit carries out corresponding modulation, make it be reduced to a certain required DC voltage value, again the voltage signal after this modulation is input to each input of the positive and negative boost in voltage module in high potential assembly, the positive and negative high-voltage value that positive and negative boost in voltage module matches output and High voltage output shifting device, this high-voltage value is processed through the step-down of the anti-counterattack overvoltage of positive and negative pressure module again, obtains finally acting on the positive and negative high pressure in electrode needle.
When stirring positive and negative high pressure alternating frequency code device, it exports corresponding signal to single chip circuit, single chip circuit carries out analyzing and processing to this frequency coded signal, optoelectronic switch is sent to corresponding action command, make its each input to the positive and negative boost in voltage module in high potential assembly close, break and move, its operating frequency is corresponding with the output signal of positive and negative high pressure alternating frequency code device, realizes thus the adjusting of high potential assembly being exported to positive and negative alternating voltage frequency.
When stirring positive and negative high pressure duty ratio code device, it exports corresponding signal to single chip circuit, single chip circuit carries out analyzing and processing to this duty ratio code signal, optoelectronic switch is sent to corresponding action command, make its corresponding time accounting of each input effect to the positive and negative boost in voltage module in high potential assembly, its duty cycle rates is corresponding with the output signal of positive and negative high pressure duty ratio code device, realizes thus the adjusting of high potential assembly being exported to positive and negative voltage duty cycle.
When shown in high potential assembly while breaking down, high pressure feedback unit feeds back to single chip circuit by fault-signal, single chip circuit is processed by analysis, sends alarm signal, outputs to display unit.
The positive and negative high pressure height of output of described static eraser, exports positive and negative high pressure alternating frequency, and exporting positive and negative high pressure duty ratio can regulate simultaneously, also can regulate separately.
Because above-mentioned digital encoding circuit, analog quantity dial-up selection circuit all have commercially available prod, therefore its concrete formation and operation principle are no longer narrated at this, can obtain relevant technical information and standard implementation circuit with reference to product technology handbook or the product description of Related product production firm.
The static eraser of the technical program, by High voltage output shifting device, the low voltage signal of high drive unit output is modulated, low voltage signal after modulation is input to each input of described positive and negative boost in voltage module, and by low-voltage, controlling high-tension mode, to realize the positive and negative high pressure height of output adjustable.
Described static eraser, by positive and negative high pressure alternating frequency code device, the code signal of having selected is transferred to single chip circuit, via single chip circuit, code signal is carried out after analyzing and processing, immediately described optoelectronic switch is sent to corresponding action command, align, each input of negative voltage boost module closes, disconnected action, realizes the different positive and negative high pressure alternating frequency of output.
Described static eraser, by positive and negative high pressure duty ratio code device, the code signal of having selected is transferred to single chip circuit, via single chip circuit, code signal is carried out after analyzing and processing, immediately described optoelectronic switch is sent to corresponding action command, the corresponding time accounting of each input effect to described positive and negative boost in voltage module, realizes the different positive and negative high pressure duty ratio of output.
Further, described static eraser adopts single needle discharge electrode alternately to export static and eliminates required positive and negative ion, avoid the direct combination between positive and negative ion, improve the electric operating efficiency that disappears of static eradicating efficacy and device, shorten its " electricity disappears " distance, guarantee ion balance index, improve static eradicating efficacy, dwindle the volume of static eraser ion output unit, adapt to better various on-the-spot installation environments.
In Fig. 2, the anti-counterattack overvoltage of described malleation module is the forward voltage stabilizing didoe group that the voltage stabilizing didoe PZ1～PZ21 of one group of series connection forms, the negative pole end of the first voltage stabilizing didoe PZ1 of described forward voltage stabilizing didoe group is connected with the output of described positive voltage boost module, and the positive terminal of described last voltage stabilizing didoe PZ21 of forward voltage stabilizing didoe group is connected with described single discharge electrode P-N-HV.
The anti-counterattack overvoltage of negative pressure module described in it is the reverse voltage stabilizing didoe group that the voltage stabilizing didoe NZ1～NZ21 of one group of series connection forms, the positive terminal of the first voltage stabilizing didoe NZ1 of described reverse voltage stabilizing didoe group is connected with the output of described negative voltage boost module, and the negative pole end of described reverse last voltage stabilizing didoe NZ21 of voltage stabilizing didoe group is connected with described single discharge electrode P-N-HV.
The anti-counterattack overvoltage of its malleation module, is that the positive high voltage that positive voltage boost module is exported carries out step-down processing, finally exports a certain required high-voltage value; This module, under negative high voltage operating state, also can be cut down negative high voltage, makes negative high voltage cannot act on positive voltage boost module, prevents because of voltage counterattack damage positive voltage boost module.
The anti-counterattack overvoltage of its negative pressure module, is that the negative high voltage that negative voltage boost module is exported carries out step-down processing, finally exports a certain required high-voltage value; This module, under positive high voltage operating state, also can be cut down positive high voltage, makes positive high voltage cannot act on negative voltage boost module, prevents because of voltage counterattack damage negative voltage boost module.
Positive voltage boost module described in it comprises a LC multivibrator circuit (it consists of the first inductance PL1, the first input resistance PR1, the second input resistance PR2, the first triode PQ1, the second triode PQ2 and the first capacitor P C2), positive step-up transformer PT1 and a voltage doubling rectifing circuit (consisting of rectifier diode group PD1～PD10 and positive boost capacitor group PC3～PC12).
Negative voltage boost module described in it comprises a LC multivibrator circuit (it consists of the second inductance NL1, the 3rd input resistance NR1, the 4th input resistance NR2, the 3rd triode NQ1, the 4th triode NQ2 and the second electric capacity NC2), step-up transformer NT1 and a voltage doubling rectifing circuit (consisting of rectifier diode group ND1～ND10 and negative boost capacitor group NC3～NC12).
Because LC multivibrator circuit, step-up transformer and voltage doubling rectifing circuit are prior art, its element is formed in Fig. 2 and provides, therefore concrete annexation is no longer narrated at this.
In the technical program, the input POS-PWM of positive voltage boost module, and the input NEG-PWM of negative voltage boost module, respectively with the corresponding connection of the second output of the first output and the optoelectronic switch of aforementioned optoelectronic switch.
During real work, by optoelectronic switch, transmitted the low-voltage direct output signal of the high drive unit coming, through LC multivibrator, export an ac high-voltage, this ac high-voltage carries out voltage multiplying rectifier through PC, PD or NC, many high-voltage capacitances of ND and high-voltage diode respectively again and exports positive and negative high direct voltage; This is the circuit function of positive and negative boost in voltage module.
Through the positive and negative high direct voltage of positive and negative boost in voltage module output, pass through respectively more voltage stabilizing didoes of PZ or NZ (referring to the anti-counterattack overvoltage of aforesaid positive and negative pressure module) and carry out step-down processing, the positive and negative high direct voltage that obtains exporting on discharge electrode.
Adopt the positive and negative high direct voltage of exporting on the discharge electrode of this circuit, total voltage stabilizing value that its magnitude of voltage is not connected higher than PZ, many voltage stabilizing didoes of NZ respectively, be the positive and negative high direct voltage of positive and negative boost in voltage module output, respectively not higher than 2 times of total voltage stabilizing value of PZ, many voltage stabilizing didoes series connection of NZ.
For the needs in manufacturing process and assurance security needs, described high potential assembly integral body can be integrated with insulating material embedding.
Because adopting the tactic pattern of single discharge electrode alternately to export static, the present invention eliminates required positive and negative ion, contribute to dwindle the volume of static eraser ion output unit, can adapt to better on-the-spot installation environment, having widened it can use occasion, can shorten its " electricity disappears " distance, guarantee ion balance index, improve static eradicating efficacy; And it adopts PWN control technology to improve its output high pressure characteristics, good to the static adaptive capacity to environment of various different places, with tackle that different production operation environments bring in various degree with the electrostatic hazard of feature.
The present invention can be widely used in the Design and manufacture field of active static eraser.
Claims (10)
1. can realize the static eraser that single needle is alternately exported positive and negative high direct voltage, comprise high drive unit, single chip machine controlling circuit, positive voltage boost module, negative voltage boost module and discharge electrode, it is characterized in that:
The very single discharge electrode of electric discharge described in it;
Positive and negative high pressure alternating frequency code device, positive or negative high voltage duty ratio code device and High voltage output shifting device are set respectively;
Described in it, the output of positive and negative high pressure alternating frequency code device and positive or negative high voltage duty ratio code device, is connected with described single chip machine controlling circuit;
The input of described High voltage output shifting device, is connected with the output of described high drive unit;
Between the output and positive voltage boost module and the input of negative voltage boost module of described High voltage output shifting device, an optoelectronic switch is set;
The corresponding connection of output of the input of described optoelectronic switch and described High voltage output shifting device;
The control end of described optoelectronic switch, is connected with the I/O port of described single chip machine controlling circuit;
The first output of described optoelectronic switch is connected with the input of described positive voltage boost module;
The second output of described optoelectronic switch is connected with the input of described negative voltage boost module;
At the output of described positive voltage boost module, the anti-counterattack overvoltage of malleation module is set;
At the output of described negative voltage boost module, the anti-counterattack overvoltage of negative pressure module is set;
The output of the anti-counterattack overvoltage of described positive and negative pressure module, is connected with described single discharge electrode jointly.
2. according to claimed in claim 1, realize the static eraser that single needle is alternately exported positive and negative high direct voltage, it is characterized in that described positive and negative high pressure alternating frequency code device, positive or negative high voltage duty ratio code device are digital encoding circuit; Described High voltage output shifting device is that analog quantity dial-up is selected circuit.
3. according to claimed in claim 1, realize the static eraser that single needle is alternately exported positive and negative high direct voltage, it is characterized in that described optoelectronic switch is a single-ended input with control end, both-end output circuit, at its control end, be provided with photoelectric isolating circuit.
4. according to claimed in claim 1, realize the static eraser that single needle is alternately exported positive and negative high direct voltage, it is characterized in that described photoelectric isolating circuit is optic coupling element; Described single-ended input, both-end output circuit are relay or power switch pipe; The coil circuit of described relay or the base stage of power switch pipe, form the control end of described optoelectronic switch.
5. according to claimed in claim 1, realize the static eraser that single needle is alternately exported positive and negative high direct voltage, it is characterized in that the described anti-counterattack overvoltage of malleation module is the forward voltage stabilizing didoe group of the voltage stabilizing didoe formation of one group of series connection, the negative pole end of the first voltage stabilizing didoe of described forward voltage stabilizing didoe group is connected with the output of described positive voltage boost module, and the positive terminal of described last voltage stabilizing didoe of forward voltage stabilizing didoe group is connected with described single discharge electrode.
6. according to claimed in claim 1, realize the static eraser that single needle is alternately exported positive and negative high direct voltage, it is characterized in that the described anti-counterattack overvoltage of negative pressure module is the reverse voltage stabilizing didoe group of the voltage stabilizing didoe formation of one group of series connection, the positive terminal of the first voltage stabilizing didoe of described reverse voltage stabilizing didoe group is connected with the output of described negative voltage boost module, and the negative pole end of described reverse last voltage stabilizing didoe of voltage stabilizing didoe group is connected with described single discharge electrode.
7. according to claimed in claim 1, realize the static eraser that single needle is alternately exported positive and negative high direct voltage, it is characterized in that described positive and negative boost in voltage module comprises respectively a multivibrator circuit, step-up transformer and a voltage doubling rectifing circuit.
8. according to claimed in claim 1, realize the static eraser that single needle is alternately exported positive and negative high direct voltage, it is characterized in that the described anti-counterattack overvoltage of positive voltage boost module, malleation module, negative voltage boost module, high potential assembly of the anti-counterattack overvoltage of negative pressure module composition, described high potential assembly is insulated material embedding and is integrated.
9. according to claimed in claim 1, realize the static eraser that single needle is alternately exported positive and negative high direct voltage, it is characterized in that described static eraser, by High voltage output shifting device, the low voltage signal of high drive unit output is modulated, low voltage signal after modulation is input to each input of described positive and negative boost in voltage module, and by low-voltage, controlling high-tension mode, to realize the positive and negative high pressure height of output adjustable;
Described static eraser, by positive and negative high pressure alternating frequency code device, the code signal of having selected is transferred to single chip circuit, via single chip circuit, code signal is carried out after analyzing and processing, immediately described optoelectronic switch is sent to corresponding action command, align, each input of negative voltage boost module closes, disconnected action, realizes the different positive and negative high pressure alternating frequency of output;
Described static eraser, by positive and negative high pressure duty ratio code device, the code signal of having selected is transferred to single chip circuit, via single chip circuit, code signal is carried out after analyzing and processing, immediately described optoelectronic switch is sent to corresponding action command, the corresponding time accounting of each input effect to described positive and negative boost in voltage module, realizes the different positive and negative high pressure duty ratio of output.
10. according to claimed in claim 1, realize the static eraser that single needle is alternately exported positive and negative high direct voltage, it is characterized in that described static eraser adopts single needle discharge electrode alternately to export static and eliminates required positive and negative ion, avoid the direct combination between positive and negative ion, improve the electric operating efficiency that disappears of static eradicating efficacy and device, shorten its " electricity disappears " distance, guarantee ion balance index, improve static eradicating efficacy, dwindle the volume of static eraser ion output unit, adapt to better various on-the-spot installation environments.
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| CN109104115A (en) * | 2018-08-13 | 2018-12-28 | 东莞市驰玛工控科技有限公司 | Generating positive and negative voltage value, frequency and the output adjustable high pressure generator of time scale |
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| CN104130344A (en) * | 2014-07-04 | 2014-11-05 | 中国石油化工股份有限公司 | Electrostatic elimination device for polyethylene reactor |
| CN105223425B (en) * | 2015-10-27 | 2018-05-18 | 上海斐讯数据通信技术有限公司 | Automatically system is destaticed |
| CN105223425A (en) * | 2015-10-27 | 2016-01-06 | 上海斐讯数据通信技术有限公司 | Automatically system is destaticed |
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| CN105451424B (en) * | 2015-12-30 | 2018-02-09 | 上海安平静电科技有限公司 | A kind of ion blower or ion bar with electrostatic detection and feedback function |
| CN106211529A (en) * | 2016-08-31 | 2016-12-07 | 上海安平静电科技有限公司 | A kind of pulse direct current ion bar based on secure operating mode |
| CN106211529B (en) * | 2016-08-31 | 2018-07-13 | 上海安平静电科技有限公司 | A kind of pulse direct current ion bar based on secure operating mode |
| CN107769582A (en) * | 2017-11-30 | 2018-03-06 | 中国人民解放军国防科技大学 | Charging circuit for micro pulse plasma thruster |
| CN107769582B (en) * | 2017-11-30 | 2019-10-29 | 中国人民解放军国防科技大学 | Charging circuit for micro pulse plasma thruster |
| CN109104115A (en) * | 2018-08-13 | 2018-12-28 | 东莞市驰玛工控科技有限公司 | Generating positive and negative voltage value, frequency and the output adjustable high pressure generator of time scale |
| CN111987912A (en) * | 2020-06-22 | 2020-11-24 | 合肥海尔智能电子有限公司 | Power supply circuit for switching output positive and negative voltages |
| CN111987912B (en) * | 2020-06-22 | 2022-03-15 | 合肥海尔智能电子有限公司 | Power supply circuit for switching output positive and negative voltages |
| CN112888124A (en) * | 2020-11-30 | 2021-06-01 | 山东工业职业学院 | Computer machine case static eliminator |
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