CN103508425B - Large ozone generation equipment for automatically adjusting working voltage of ozone discharging pipe - Google Patents
Large ozone generation equipment for automatically adjusting working voltage of ozone discharging pipe Download PDFInfo
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- CN103508425B CN103508425B CN201210218738.6A CN201210218738A CN103508425B CN 103508425 B CN103508425 B CN 103508425B CN 201210218738 A CN201210218738 A CN 201210218738A CN 103508425 B CN103508425 B CN 103508425B
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Abstract
The invention discloses large ozone generation equipment for automatically adjusting the working voltage of an ozone discharging pipe. The large ozone generation equipment comprises a power supply system, an ozone generator, a gas source system and a control system, wherein a secondary edge of a boosting transformer in the power supply system is provided with a high-voltage detecting device in parallel; the high-voltage detecting device consists of a high-voltage sampling terminal, a resistance potential-dividing network, a rectifying and filtering circuit, a voltage clamping circuit, a digital signal processor, a photoelectric isolating circuit, an RS485 interface circuit, a high-voltage detecting data interface and a power interface which are connected in sequence by a circuit; the high-voltage detecting device is used for detecting conversion of the working voltage of the ozone discharging pipe in a generator cavity body into electric-isolation digital signals and feed the digital signals into the control system by a digital bus; according to a comparison result between a working voltage value of the ozone discharging pipe and a preset value, the control system controls the output-pulse frequency and/or the output-pulse duty ratio of a variable-frequency power supply of the power supply system by adopting a digital signal mode so as to automatically stabilize the working voltage of the ozone discharging pipe to be about the preset value.
Description
Technical field
The present invention relates to ozone to equip, especially a kind of ozone of ozone discharge tube operating voltage that can automatically regulate is equipped.
Background technology
Due to the strong oxidizing property of ozone, it is widely applied in industries such as water treatment, sewage disposal, deodorization and discolorations.The domestic dielectric barrier discharge technology that mostly adopts is as the ozoniferous method of industrialization at present, and existing ozone equipment occurs and forms primarily of power supply system, air supply system, cooling water system, ozonizer and Controlling System.Power supply adjustment for ozonizer is all that output pulse frequency, pulse duty factor and the impulse density by changing variable-frequency power sources realizes substantially, and ozone discharge tube operational voltage value is determined by aforementioned two parameters.For improving the reliability of regulating and controlling, there is equipment and generally do not adopt the method for frequency-tracking to realize Resonant tube operation in large-scale ozone, but manually assign output pulse frequency, pulse duty factor instruction to the variable-frequency power sources in power supply system by Controlling System, and then artificial adjustment ozone discharge tube operational voltage value.The major defect that this manual regulation variable-frequency power sources output pulse frequency, pulse duty factor regulate the large-scale ozone of ozone discharge tube operating voltage that equipment occurs is embodied in following three aspects.
One is, in the equipment debug phase, needs, at step-up transformer secondary mounting high-voltage probe, to be connected on oscilloscope, to be adopted the mode of manual feedback by more than two commissioning staffs, repeatedly regulate and just can reach desirable ozone discharge tube operational voltage value.Usually large-scale ozonizer comprises a large amount of ozone discharge tubes, therefore generally, switched-mode power supply mode is all adopted to power to large-scale ozonizer, each power supply zone needs to debug equally, therefore, when large-scale ozone generator comprises a large amount of power supply branch and ozone discharge tube subregion, this debugging inconvenience is especially serious.
Two are, in the equipment operation phase, cannot know ozone discharge tube real work voltage in real time, are unfavorable for the running maintenance of equipping.
Three are, the change of grid conditions, gas source condition can make ozone discharge tube real work voltage deviation Design Theory value, and even arrive a dangerous high-voltage, manual adjustment mode can not avoid this harm in time.
Therefore, being badly in need of a kind of ozone discharge tube operating voltage that can automatically regulate makes the real work magnitude of voltage of ozonizer be stabilized in system near preset value to meet actual needs.
Summary of the invention
The object of the invention is to propose a kind of ozone of ozone discharge tube operating voltage that can automatically regulate to equip.
The technical scheme solving technical problem of the present invention is: a kind of ozone of automatic adjustment ozone discharge tube operating voltage is equipped, comprise power supply system, ozonizer, air supply system and Controlling System, the low-voltage distribution equipment that described power supply system is connected by sequential circuit, variable-frequency power sources, resonant inductance and step-up transformer composition, the high-voltage tap of step-up transformer secondary is electrically connected with the high pressure connection of ozonizer, the voltage tap of step-up transformer secondary is electrically connected with the low-pressure connector of ozonizer, it is characterized in that: described step-up transformer secondary has been installed in parallel a high pressure arrangement for detecting, described high pressure arrangement for detecting is also connected with Controlling System circuit, in order to the operational voltage value of ozone discharge tube in the ozonizer detected is fed back in Controlling System, Controlling System is connected with described variable-frequency power sources circuit and is used for the regulating command of variable-frequency power sources output voltage.
In order to better technique effect, technical characteristic of the present invention can be specially following technical characterstic:
The ozone discharge tube that ozone is occurred to for equipment carries out branch feeding, and the ozone discharge tube by described ozonizer is divided into several ozone discharge tube subregions, and each ozone discharge tube subregion comprises several ozone discharge tubes; Each ozone discharge tube subregion is by a power supply branch feeding, each power supply branch is made up of low-voltage distribution equipment, variable-frequency power sources, resonant inductance and the step-up transformer that circuit connects in turn, and the circuit connection of each power supply branch internal connects identical with the circuit of the power supply system inside described in aforementioned technical solution of the present invention; Each transformer secondary has been installed in parallel a high pressure arrangement for detecting; Each power supply branch is connected with described Controlling System; Each high pressure arrangement for detecting is also connected with described Controlling System; The circuit connecting relation of each power supply branch and ozone discharge tube subregion is identical with circuit of ozonator annexation with the power supply system described in aforementioned technical solution of the present invention; The circuit connecting relation of each power supply branch and high pressure arrangement for detecting is identical with the annexation of the power supply system described in aforementioned technical solution of the present invention and high pressure arrangement for detecting.
Described high pressure arrangement for detecting provides power supply by Controlling System.
Described Controlling System comprises the first digital bus interface and the second digital bus interface two independently digital bus interface, and wherein the first digital bus interface is connected with high pressure arrangement for detecting, for obtaining ozone discharge tube operational voltage value from high pressure arrangement for detecting; Second digital bus interface is connected with variable-frequency power sources, for the instruction of variable-frequency power sources Drazin inverse.
The high-pressure sampling terminal that described high pressure arrangement for detecting is connected by circuit in turn, resistance pressure-dividing network, current rectifying and wave filtering circuit, voltage clamping circuit, digital signal processor, photoelectric isolating circuit, RS485 interface circuit and high pressure detecting data interface and power interface form.
Described high pressure arrangement for detecting also comprises an insulating power supply module, described insulating power supply module input is connected on power interface, and the output terminal of power module provides insulating power supply to the voltage clamping circuit of the former limit of photoelectric isolating circuit and front end thereof, digital signal processor, photoelectric isolating circuit.
Described high-pressure sampling terminal is made up of the first high-pressure sampling terminal and the second high-pressure sampling terminal; Described first high-pressure sampling terminal is connected with transformer secondary high-voltage tap circuit; Described second high-pressure sampling terminal is connected with step-up transformer secondary voltage tap circuit.
Described resistance pressure-dividing network is made up of the withstand voltage mega-ohms high-tension resistive of some more than 2kV and some common kilo-ohm level resistance sequential series.
Described resistance pressure-dividing network is substituted by voltage transformer.
Described second high-pressure sampling terminal is bolt hole.
The invention has the beneficial effects as follows, simplify the debug process that ozone equips particularly large-scale ozone generation equipment, can ozone discharge tube real work magnitude of voltage be presented in Controlling System man-machine interface intuitively, running maintenance personnel are facilitated to check, and automatically regulate real work magnitude of voltage to be stabilized near preset value, lifting gear on-road efficiency and reliability greatly.
Accompanying drawing explanation
Fig. 1 is the electrical block diagram of an ozone generation equipment of the present invention embodiment;
Fig. 2 is the structural representation that an embodiment of the high pressure arrangement for detecting circuit that equipment uses occurs ozone of the present invention;
Fig. 3 is the electrical block diagram that ozone of the present invention occurs that equipment adopts the embodiment of switched-mode power supply.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.
Embodiment 1: as shown in Figure 1, a kind of ozone of automatic adjustment ozone discharge tube operating voltage is equipped, and comprises power supply system 1, ozonizer 2, air supply system 3 and Controlling System 4, also comprises a high pressure arrangement for detecting 6.Described power supply system is made up of low-voltage distribution equipment 11, variable-frequency power sources 12, resonant inductance 13 and the step-up transformer 14 that circuit connects in turn; The described high-voltage tap 141 of step-up transformer 14 secondary is electrically connected with the high pressure connection 21 of ozonizer, and the voltage tap 142 of step-up transformer 14 secondary is electrically connected with the low-pressure connector 22 of ozonizer.Described Controlling System 4 comprises the first digital bus interface 41 and the second digital bus interface 42 two independently digital bus interface and personal-machine interface 43, wherein, first digital bus interface 41 is connected with high pressure arrangement for detecting 6, for obtaining ozone discharge tube operational voltage value from high pressure arrangement for detecting, second digital bus interface 42 is connected with described variable-frequency power sources 12, for the regulating command of variable-frequency power sources output voltage.Described high pressure arrangement for detecting 6 is connected with the digital bus interface 41 of Controlling System 4, in order to the operational voltage value of ozone discharge tube in the ozonizer detected is fed back in Controlling System 4, the operational voltage value of ozone discharge tube is presented in Controlling System man-machine interface 43, facilitates running maintenance personnel to check.
High pressure arrangement for detecting 6 described in this enforcement 1 is powered by Controlling System 4, as shown in fig. 1, and representing with same wire for the connection of electrical connection with number bus therebetween of described Controlling System 4 pairs of high pressure arrangement for detecting 6.
There is the high pressure arrangement for detecting circuit 6 of equipment use as shown in Figure 2 in the ozone of above-described embodiment 1, in Fig. 2, the high-pressure sampling terminal 61 that described high pressure arrangement for detecting 6 is connected by circuit in turn, resistance pressure-dividing network 62, current rectifying and wave filtering circuit 63, voltage clamping circuit 64, digital signal processor 65, photoelectric isolating circuit 66, RS485 interface circuit 67 form, and described high pressure arrangement for detecting 6 also comprises high pressure detecting data interface 68 and power interface 69; Differential signal line RS485A and RS485B of described RS485 interface circuit 67 is connected on the data-interface 68 of high pressure arrangement for detecting, the power interface 69 of high pressure arrangement for detecting 6 is electrically connected with Controlling System 4, namely draw in order to power to high pressure arrangement for detecting 6 on power interface 69 that a road D.C. regulated power supply VCC1/GND1 is connected to high pressure arrangement for detecting 6 by described Controlling System 4, specifically provide power supply to the secondary of the photoelectric isolating circuit 66 of high pressure arrangement for detecting 6 and RS485 interface circuit 67.
Described high-pressure sampling terminal 61 comprises the first high-pressure sampling terminal 611 and the second high-pressure sampling terminal 612, and described first high-pressure sampling terminal 611 is electrically connected with transformer secondary high-voltage tap 141; Described second high-pressure sampling terminal 612 is electrically connected in order to sample the service voltage of ozonizer with step-up transformer secondary voltage tap 142.
As shown in Figure 2, described high pressure arrangement for detecting also comprises an insulating power supply module 70, the power input of described insulating power supply module 70 is connected the VCC1/GND1 Power supply making it be drawn by Controlling System 4 with power interface 69, the output terminal of insulating power supply module 70 with for providing insulating power supply to voltage clamping circuit 64, digital signal processor 65 and the former limit of photoelectric isolating circuit 66.VCC1/GND1 power supply obtains the D.C. regulated power supply VCC2/GND2 of one group of electrical isolation after insulating power supply module 70, so can the formation of effectively invariably wire loop stream, improves signal transmission quality; And after employing insulating power supply module 70, high-pressure sampling terminal 61 distribution of high pressure arrangement for detecting 6 can be avoided not at that time to the electrical hazard of Controlling System 4.
Described resistance pressure-dividing network 62 is made up of the withstand voltage mega-ohms high-tension resistive of eight more than 2kV and one common kilo-ohm level resistance sequential series.
During work, thousands of volt high voltage signals on high pressure detecting sampling terminal are converted into three ten-day period of hot season low voltage signal by resistance pressure-dividing network 62, low voltage signal after conversion is input in the analog to digital conversion interface of digital signal processor 65 after current rectifying and wave filtering circuit 63 and voltage clamping circuit 64 process, and then calculate ozone discharge tube operational voltage value in ozonizer 2, especially its voltage peak.Signal after wherethrough reason is uploaded in Controlling System 4 by the digital bus interface 41 of high pressure detecting data interface 68 and Controlling System through photoelectric isolating circuit 66 and RS485 interface circuit 67 by digital signal processor 65.
Its principle of work is, by high pressure arrangement for detecting, ozone discharge tube operational voltage value is fed back in Controlling System, the real work magnitude of voltage of the ozonizer received from high pressure detecting digital bus interface 68 and preset value compare by Controlling System 4, draw voltage-regulation instruction, with digital signal pattern, voltage-regulation instruction is outputted in the variable-frequency power sources 12 of power supply system from digital bus interface 42 again, control output pulse frequency and pulse duty factor, finally make the ozone generating pipe stable operating voltage of ozonizer near preset value.
For whole equipment, Controlling System 4 is to variable-frequency power sources 12 output voltage regulating command and obtain ozone discharge tube operational voltage value from high pressure arrangement for detecting 6.Wherein to the importance of variable-frequency power sources 12 output voltage regulating command with all obtain ozone discharge tube operational voltage value higher than from high pressure arrangement for detecting 6 to the requirement of its reliability, therefore, in the present embodiment in Controlling System 4 adopt two independently digital bus interface 41 and 42 complete above-mentioned two transformation tasks respectively.Meanwhile, two independently digital bus interface can improve transmission efficiency.
Embodiment 2: as shown in Figure 3, a kind of ozone of automatic adjustment ozone discharge tube operating voltage is equipped, and described ozonizer 2 is made up of several ozone discharge tube subregions 23, and each ozone discharge tube subregion 23 comprises several ozone discharge tubes; Each ozone discharge tube subregion 23 is by a power supply branch feeding, low-voltage distribution equipment 11 ', variable-frequency power sources 12 ', resonant inductance 13 ' and step-up transformer 14 ' that each power supply branch is connected by circuit in turn, the circuit of each power supply branch internal connects and connects identical with the circuit of the power supply system inside described in aforementioned technical solution of the present invention; The described high-voltage tap 141 ' of each step-up transformer 14 ' secondary is electrically connected with the high pressure connection 21 ' of ozonizer, and the voltage tap 142 ' of step-up transformer 14 ' secondary is electrically connected with the low-pressure connector 22 ' of ozonizer; Each transformer 14 ' secondary is installed in parallel the high pressure arrangement for detecting 6 described in an embodiment 1; Each power supply branch is connected with described Controlling System 4, and each high pressure arrangement for detecting 6 is connected with Controlling System 4; The circuit connecting relation of each power supply branch and ozone discharge tube subregion is identical with circuit of ozonator annexation with the power supply system described in embodiment 1; The annexation of each circuit connecting relation of power supply branch and high pressure arrangement for detecting and the power supply system described in embodiment 1 and high pressure arrangement for detecting is identical
During work, Controlling System 4 independently carries out following steps to each power supply branch: the ozone discharge tube subregion real work magnitude of voltage corresponding with it received from high pressure detecting digital bus interface 68 and preset value compare by 1, draw voltage-regulation instruction, 2. with digital signal pattern, voltage-regulation instruction is outputted to the variable-frequency power sources 12 ' corresponding with this ozone discharge tube subregion from digital bus interface 42 again, control output pulse frequency and pulse duty factor, finally make the ozone generating pipe stable operating voltage of this subregion near preset value.
High pressure arrangement for detecting of the present invention can also be powered separately; The voltage tap of described high-pressure sampling terminal is that bolt hole is to be locked on the voltage tap bolt of step-up transformer secondary easily; Described resistance pressure-dividing network also can be substituted by the voltage transformer being turned low pressure by high pressure.
The above is to the greatest extent preferred embodiment of the present invention, and all equalization changes done according to the present patent application the scope of the claims, all should belong to covering scope of the present invention.
Claims (9)
1. one kind regulates the ozone of ozone discharge tube operating voltage to equip automatically, comprise power supply system (1), ozonizer (2), air supply system (3) and Controlling System (4), the low-voltage distribution equipment (11) that described power supply system is connected by sequential circuit, variable-frequency power sources (12), resonant inductance (13) and step-up transformer (14) composition, the high-voltage tap (141) of step-up transformer (14) secondary is electrically connected with the high pressure connection (21) of ozonizer, the voltage tap (142) of step-up transformer (14) secondary is electrically connected with the low-pressure connector (22) of ozonizer, it is characterized in that: described step-up transformer (14) secondary has been installed in parallel a high pressure arrangement for detecting (6), described high pressure arrangement for detecting (6) is also connected with Controlling System (4) circuit, in order to the operational voltage value of ozone discharge tube in the ozonizer detected is fed back in Controlling System, Controlling System (4) is connected with described variable-frequency power sources circuit and is used for the regulating command of variable-frequency power sources output voltage, described high pressure arrangement for detecting (6) is by the high-pressure sampling terminal (61) of circuit connection in turn, resistance pressure-dividing network (62), current rectifying and wave filtering circuit (63), voltage clamping circuit (64), digital signal processor (65), photoelectric isolating circuit (66), RS485 interface circuit (67) and high pressure detecting data interface (68) and power interface (69) composition.
2. the ozone of automatic adjustment ozone discharge tube operating voltage according to claim 1 is equipped, it is characterized in that: the ozone discharge tube that ozone is occurred to for equipment carries out branch feeding, ozone discharge tube by described ozonizer is divided into several ozone discharge tube subregions (23), and each ozone discharge tube subregion (23) comprises several ozone discharge tubes; Each ozone discharge tube subregion (23) is by a power supply branch feeding, each power supply branch is made up of the low-voltage distribution equipment connected in turn, variable-frequency power sources, resonant inductance and step-up transformer, and the circuit of each power supply branch internal connects the circuit inner with power supply system according to claim 1 (1) and connects identical; Each step-up transformer secondary has been installed in parallel a high pressure arrangement for detecting (6); Each power supply branch is connected with described Controlling System (4); Each high pressure arrangement for detecting (6) is also connected with described Controlling System (4); Each power supply branch is identical with ozonizer (2) circuit connecting relation with power supply system according to claim 1 (1) with the circuit connecting relation of ozone discharge tube subregion (23); Each power supply branch is identical with the annexation of high pressure arrangement for detecting (6) with power supply system according to claim 1 (1) with the circuit connecting relation of high pressure arrangement for detecting (6).
3. the ozone of automatic adjustment ozone discharge tube operating voltage according to claim 1 and 2 is equipped, and it is characterized in that: described high pressure arrangement for detecting (6) provides power supply by Controlling System (4).
4. the ozone of automatic adjustment ozone discharge tube operating voltage according to claim 1 and 2 is equipped, and it is characterized in that: described Controlling System (4) comprises the first digital bus interface (41) and the second digital bus interface (42) two independently digital bus interface; Wherein, the first digital bus interface (41) is connected with high pressure arrangement for detecting (6), for obtaining ozone discharge tube operational voltage value from high pressure arrangement for detecting (6); Second digital bus interface (42) is connected with variable-frequency power sources, for the regulating command of variable-frequency power sources output voltage.
5. the ozone of automatic adjustment ozone discharge tube operating voltage according to claim 1 is equipped, it is characterized in that: described high pressure arrangement for detecting (6) also comprises an insulating power supply module (70), described insulating power supply module (70) input terminus is connected on power interface (69), and the output terminal of insulating power supply module (70) provides insulating power supply to the voltage clamping circuit (64) of the former limit of photoelectric isolating circuit (66) and front end thereof, digital signal processor (65).
6. the ozone of automatic adjustment ozone discharge tube operating voltage according to claim 1 is equipped, and it is characterized in that: described high-pressure sampling terminal (61) is made up of the first high-pressure sampling terminal (611) and the second high-pressure sampling terminal (612); Described first high-pressure sampling terminal (611) is connected with step-up transformer (14) secondary high-voltage tap circuit; Described second high-pressure sampling terminal (612) is connected with step-up transformer (14) secondary voltage tap circuit.
7. the ozone of automatic adjustment ozone discharge tube operating voltage according to claim 1 is equipped, and it is characterized in that: described resistance pressure-dividing network (62) is made up of the withstand voltage mega-ohms high-tension resistive of some more than 2kV and some common kilo-ohm level resistance sequential series.
8. the ozone of automatic adjustment ozone discharge tube operating voltage according to claim 1 is equipped, and it is characterized in that: described resistance pressure-dividing network is substituted by voltage transformer.
9. the ozone of automatic adjustment ozone discharge tube operating voltage according to claim 6 is equipped, and it is characterized in that: described second high-pressure sampling terminal (612) is bolt hole.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210218738.6A CN103508425B (en) | 2012-06-28 | 2012-06-28 | Large ozone generation equipment for automatically adjusting working voltage of ozone discharging pipe |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210218738.6A CN103508425B (en) | 2012-06-28 | 2012-06-28 | Large ozone generation equipment for automatically adjusting working voltage of ozone discharging pipe |
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| CN103508425A CN103508425A (en) | 2014-01-15 |
| CN103508425B true CN103508425B (en) | 2015-05-20 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104331090B (en) * | 2014-10-23 | 2017-08-18 | 赵凤明 | Corona discharge ozone frequency generator automatic following control system |
| CN105450176B (en) * | 2015-12-21 | 2018-07-27 | 珠海宏马电器有限公司 | A kind of independent-excited high-frequency and high-voltage oscillating circuit and control method |
| DE112016007528T5 (en) * | 2016-12-19 | 2019-09-26 | Toshiba Mitsubishi-Electric Industrial Systems Corporation | Gas generating device |
| CN108321768B (en) * | 2017-01-15 | 2019-10-01 | 新大陆科技集团有限公司 | Its ozone generator of a kind of ozone discharge tube electrode puncture protection device of Dielectric Barrier Discharge Type Ozone Generator and application |
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| CN201501788U (en) * | 2009-05-27 | 2010-06-09 | 珠海英伟特电子科技有限公司 | Ozone generating circuit for fruit washing machine |
| CN102167289A (en) * | 2011-02-26 | 2011-08-31 | 福州欣联达电子科技有限公司 | Ozone generation power supply with multipath sync output |
| CN202705038U (en) * | 2012-06-28 | 2013-01-30 | 福建新大陆环保科技有限公司 | Ozone generating equipment capable of automatically adjusting work voltage of ozone electro-discharge pipe |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100891506B1 (en) * | 2009-01-30 | 2009-04-06 | (주)인텍에프에이 | Power converter for ozone generator and method for controlling the same |
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| CN201501788U (en) * | 2009-05-27 | 2010-06-09 | 珠海英伟特电子科技有限公司 | Ozone generating circuit for fruit washing machine |
| CN102167289A (en) * | 2011-02-26 | 2011-08-31 | 福州欣联达电子科技有限公司 | Ozone generation power supply with multipath sync output |
| CN202705038U (en) * | 2012-06-28 | 2013-01-30 | 福建新大陆环保科技有限公司 | Ozone generating equipment capable of automatically adjusting work voltage of ozone electro-discharge pipe |
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