CN203461885U - Random-sweep-frequency electronic liquid processing device - Google Patents
Random-sweep-frequency electronic liquid processing device Download PDFInfo
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- CN203461885U CN203461885U CN201320464812.2U CN201320464812U CN203461885U CN 203461885 U CN203461885 U CN 203461885U CN 201320464812 U CN201320464812 U CN 201320464812U CN 203461885 U CN203461885 U CN 203461885U
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Abstract
The utility model discloses a random-sweep-frequency electronic liquid processing device. The device comprises a power circuit, a control circuit, an alternating signal generating circuit and a ferrite ring, wherein the alternating signal generating circuit generates a series of continuous sinusoidal oscillating current signals which are of exponential decay, the frequency of sinusoidal wave signals is fixed, and the decay time interval, namely time interval among highest peak values, is random, so that sweep-frequency alternating signals are realized. The energy consumption required to generate the signals is low, and huge electric potential energy can be excited after the signals pass through an equivalent transformer circuit and acts on liquid, so that a processing effect can be generated regardless of whether the liquid flows or not; meanwhile, due to sweep frequency property, the device can be applicable to liquid of any type and liquid of any pipe diameter; during the use of the device, chemical pollution is not caused, pipelines and equipment are not corroded, liquid medium components in the pipelines and equipment are not changed, and the device has the functions of descaling, antiscaling, disinfecting, killing algae, and the like.
Description
Technical field
The utility model belongs to fluid descalling technique field, more specifically, relates to a kind of random frequency sweep electronic liquid treatment apparatus.
Background technology
Incrustation scale is to accumulate gradually on the solid surface contacting with liquid phase, and temperature is higher, and incrustation scale more easily generates.The particularly central heating in northern winter, in the systems such as the water treatment of heat power plant, because fouling causes huge energy consumption.In order to prevent and kill off incrustation, people have adopted several different methods, and wherein effectively the method for scale inhibition, scale removal, sterilization mainly contains two kinds, i.e. chemical method and Physical.Chemical method can produce the byproduct polluted water of pollution.Physical mainly contains magnetic field method, electrolytic process and electric field method.
Magnetic field method technology comparative maturity, by the coil winding that flows through exchange current, on fluid pipeline, pipe interior produces alternating magnetic field, and the charged ion of pipe interior produces Lorentz force when with liquid-flow, thereby reaches scale removal and antiscaling effect.Yet the power that wound form is transferred to liquid is low, the signal in pipeline and liquid a little less than; Only could treatment liq when liquid-flow, and magnetic field propagation distance is limited.These shortcomings all cause equipment descale effect limited.
Electric field method has overcome above-mentioned shortcoming, and no matter whether charged particle move, and is all subject to the Lorentz force of alternating electric field.Thereby no matter whether liquid flows, electric field all can have good scale inhibition, scale removal, molten dirty effect to its generation effect, also has sterilization algae removal function simultaneously.
Utility model content
For above defect or the Improvement requirement of prior art, the purpose of this utility model is to provide a kind of random frequency sweep electronic liquid treatment apparatus of features high scale-removing effect.
For achieving the above object, according to an aspect of the present utility model, provide a kind of random frequency sweep electronic liquid treatment apparatus, comprised power circuit, pilot circuit, alternating signal circuit for generating and ferrite core; The input terminus of power circuit is used for connecting electric main, the input terminus of pilot circuit is connected to the first output terminal of described power circuit, the first input end of alternating signal circuit for generating is connected to the second output terminal of described power circuit, and the second input terminus of alternating signal circuit for generating is connected to the output terminal of described pilot circuit; Alternating signal circuit for generating comprises the winding displacement coil that is surrounded on described ferrite core one side; During use, ferrite core is assemblied in fluid pipeline outside, and fluid pipeline and ferrite core are coaxially placed.
Further, described alternating signal circuit for generating also comprises PMOS pipe Q1 and capacitor C; The PMOS pipe grid of Q1 and the output terminal of described pilot circuit are connected, the PMOS pipe source electrode of Q1 and the second output terminal of described power circuit are connected, the drain electrode of PMOS pipe Q1 is connected with the common port of described winding displacement coil L1 and capacitor C, another common end grounding of described winding displacement coil L1 and capacitor C.
Further, described alternating signal circuit for generating also comprises NMOS pipe Q2 and capacitor C, the grid of described NMOS pipe Q2 is connected to the output terminal of described pilot circuit, the source ground of described NMOS pipe Q2, the drain electrode of described NMOS pipe Q2 is connected with the common port of described winding displacement coil L1 and capacitor C, and another common port of described winding displacement coil L1 and described capacitor C is connected to the second output terminal of described power circuit.
Further, described alternating signal circuit for generating also comprises PNP pipe Q3 and capacitor C; The PNP pipe base stage of Q3 and the output terminal of described pilot circuit are connected, the PNP pipe emtting electrode of Q3 and the second output terminal of described power circuit are connected, the collector electrode of PNP pipe Q3 is connected with the common port of described winding displacement coil L1 and capacitor C, another common end grounding of described winding displacement coil L1 and capacitor C.
Further, described alternating signal circuit for generating also comprises NPN pipe Q4 and capacitor C, the base stage of described NPN pipe Q4 is connected to the output terminal of described pilot circuit, the grounded emitter of described NPN pipe Q4, the collector electrode of described NPN pipe Q4 is connected with the common port of described winding displacement coil L1 and capacitor C, and another common port of described winding displacement coil L1 and described capacitor C is connected to the second output terminal of described power circuit.
The random frequency sweep electronic liquid treatment apparatus that the utility model provides is loaded into electric energy on ducted liquid, in safety, efficient situation, completes transmission ofenergy, has realized antiscale and descale effect.Alternating signal circuit for generating produces a series of sinusoidal oscillation current signals that are continuously exponential attenuation, and sine wave signal frequency is fixed, and fall time, interval was random, thereby realized a kind of alternating signal of frequency sweep.Produce the required energy consumption of this signal little, and signal can encourage huge energy of position after by Equivalent Transformer circuit, act on liquid, no matter whether liquid flows, and all can produce treatment effect.Its frequency sweep, can guarantee that this device is applicable to the liquid of any type simultaneously, and the liquid of any caliber.This device does not in use produce chemical pollution, and not corrosion pipeline, equipment do not change the medium composition of liquid in pipeline and equipment, have the various functions such as scale removal, antiscale, sterilization, algae removal.
Accompanying drawing explanation
The modular structure schematic diagram of the random frequency sweep electronic liquid treatment apparatus that Fig. 1 provides for the utility model.
Fig. 2 is assemblied in the structural representation on fluid pipeline for the random frequency sweep electronic liquid treatment apparatus that the utility model provides.
In Fig. 3 (a) be according in Fig. 2 around the skeleton view of the lines of magnetic induction of conduit, (b) be its sectional view.
The structural representation of signal generating circuit in the random frequency sweep electronic liquid treatment apparatus that Fig. 4 provides for the utility model.
In Fig. 5, (a) is setting pulse schematic diagram, is (b) signal generating circuit output waveform schematic diagram.
Fig. 6 is the modular structure schematic diagram of the random frequency sweep electronic liquid treatment apparatus that provides of the utility model the second embodiment.
Fig. 7 is the modular structure schematic diagram of the random frequency sweep electronic liquid treatment apparatus that provides of the utility model the 3rd embodiment.
Fig. 8 is the modular structure schematic diagram of the random frequency sweep electronic liquid treatment apparatus that provides of the utility model the 4th embodiment.
In institute's drawings attached, identical Reference numeral is used for representing identical element or structure, wherein:
1-power circuit; 2-pilot circuit; 3-alternating signal circuit for generating; 4-ferrite core; L1-winding displacement coil; L2-fluid pipeline; 40-lines of magnetic induction; 3-1-sinusoidal oscillation current signal; 3-2a-setting pulse; 3-2b-sinusoidal oscillation voltage signal.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.In addition,, in each embodiment of described the utility model, involved technical characterictic just can not combine mutually as long as do not form each other conflict.
The frequency sweep fluid treatment appts that the utility model provides passes through this device to liquid transfer electric energy, make wherein stable calcium carbonate crystal (main component of dirt) become the polymorph of the calcium carbonate of short texture, with liquid, flow out, thereby reach scale removal, scale inhibition to liquid, the effect of sterilization, algae removal.
CaCO
3(incrustation scale main component) has four kinds of polymorphs, gluey calcium carbonate (Gal calcium carbonate), vaterite (Vaterite), aragonite (Aragonite), calcite (Calcite).It mainly contains two kinds of structures: calcite and aragonite.In four kinds of polymorphs of calcium carbonate, energy sequentially reduces according to colloid calcium carbonate, vaterite, aragonite, calcite, and stability increases, i.e. partial potential μ
traditional font calcium carbonate> μ
vaterite> μ
aragonite> μ
calcite
When liquid is processed through alternating electric field, electric energy will be delivered in liquid, thereby affect Ca
2+with
generate CaCO
3condition, make CaCO
3dipole moment increase, solubility product increases, molecule Crystallization Process free energy increases.Because solubility product and the free energy of aragonite are high, so easily generation is more unstable, be dispergated aragonite crystal.Hence one can see that, and the energy that calcite obtains is more, more easily generates that energy is high, colloid calcium carbonate and the vaterite of poor stability.Without the liquid of electric field treatment, fouling is calcite, but after electric field treatment, because molecule obtains energy from electric field, can change aragonite into, become the ooze or the flocculation that are difficult for adhering to, outside filter or drainage discharge system, stoped the generation of incrustation scale.From energy point of view, the essence of electric field treatment scale removal is the CaCa that energy is low
3crystal obtains energy from electric field, thereby more easily generates the aragonite of the higher but poor stability of energy or colloid calcium carbonate, vaterite.The utility model relates to a kind of electronic installation, electric energy can be loaded in liquid, in safety, efficient situation, completes transmission ofenergy, finally realizes antiscale and descale effect.
Fig. 1 shows the modular structure of the random frequency sweep electronic liquid treatment apparatus that the utility model provides, and for convenience of explanation, only shows the part relevant to the utility model, and details are as follows:
Random frequency sweep electronic liquid treatment apparatus comprises power circuit 1, pilot circuit 2, alternating signal circuit for generating 3 and ferrite core 4; The input terminus of power circuit 1 is used for connecting electric main, the input terminus of pilot circuit 2 is connected to the first output terminal of described power circuit 1, the first input end of alternating signal circuit for generating 3 is connected to the second output terminal of described power circuit 1, and the second input terminus of alternating signal circuit for generating 3 is connected to the output terminal of described pilot circuit 2; As shown in Figure 2, alternating signal circuit for generating 3 comprises the winding displacement coil L1 that is surrounded on described ferrite core 4 one sides; During use, ferrite core 4 is assemblied in fluid pipeline L2 outside, and described fluid pipeline L2 and ferrite core 4 are coaxially placed; Electrical signal excitation ferrite ring produces magnetic field, and the action of a magnetic field, in the pipeline that is full of liquid, forms electric field in pipeline, has completed the transmission of energy.These energy finally act on crystallization in liquid, make its nucleus that becomes short texture, with liquid outflow system, reach the object of descaling and antiscaling.
The utility model has following advantage: signal generator produces fast-changing sine wave signal, inhomogeneous fast-changing electric field produces fast-changing magnetic field in time, based on transformer principle, by former, can be transferred in the liquid and pipeline that is equivalent to transformer secondary output coil, thereby be reached for the effect of liquid antiscaling, descaling.Purpose sweep frequency electromagnetic ripple has covered the frequency needs that different quality is processed, so be applicable to various liquid, meets the descaling and antiscaling demand of different user, different liqs, different tube diameters, different quality hardness.Device consumed energy is few, pollution-free, energy-conserving and environment-protective.No matter whether liquid flows, can be to liquid carrying energizing quantity wherein, continuous descaling, and blocking scaling.Apparatus structure is simple, easy handling.Each module can be controlled respectively, is easy to maintenance.
In the utility model, alternating signal circuit for generating 3 also comprises switching tube and capacitor C; The control end of switching tube is connected with the output terminal of pilot circuit 2, and the first end of switching tube is connected with the output terminal of power circuit 1, and the second end of switching tube is connected with one end of winding displacement coil L1, the other end ground connection of winding displacement coil L1; One end of capacitor C is connected to the second end of switching tube, the other end ground connection of capacitor C.
As shown in Figure 4, switching tube can be managed Q1 for PMOS to concrete circuit preferred embodiment, and the grid of PMOS pipe Q1 is as the control end of described switching tube, and the source electrode of PMOS pipe Q1 is as the first end of switching tube, and the drain electrode of PMOS pipe Q1 is as the second end of switching tube.Switching tube can also play for other components and parts of on-off action.
In the utility model, power circuit is pilot circuit, and signal generating circuit provides satisfactory power supply, guarantees that other parts circuit can work.Pilot circuit produces a fixed pulse width, but random pulse signal of cycle acts on alternating signal circuit for generating.The core of alternating signal circuit for generating is LC pierce circuit, by the switch signal of pilot circuit, makes power supply at random to the charging of LC pierce circuit.Based on self resistance in L, once charging finishes, this LC oscillatory circuit is generation the sinusoidal oscillation signal of exponential attenuation.Because being provides LC pierce circuit charging signals at random, so be random each interval time that is the sinusoidal oscillation signal of exponential attenuation.This sinusoidal oscillation signal flow is crossed winding displacement coil, and this coil is as the primary winding of ferrite core.Winding displacement coil winding is on ferrite core, and ferrite core is by around being fixed on fluid pipeline, and pipeline and ferrite core are coaxially placed.Based on this assembling mode, pipeline and ducted liquid are as the secondary coil of ferrite core, and just this coil is single turn.
For the random frequency sweep electronic liquid treatment apparatus that further description the utility model provides, referring now to accompanying drawing and in conjunction with specific examples, details are as follows:
As shown in Figure 1, install by power circuit 1, pilot circuit 2, alternating signal circuit for generating 3 and ferrite core 4 form.Power circuit 1, pilot circuit 2 and alternating signal circuit for generating 3 can be positioned on a PCB circuit card, also can be distributed on polylith PCB circuit card.The primary winding of Equivalent Transformer, by the row of one on circuit card pin jack, is connected in signal generating circuit 3.Power circuit 1 mainly changes 110V～220V electric main into a plurality of low-voltage dc voltages, offers respectively pilot circuit and signal generating circuit, guarantees that they can work.
As shown in Figure 2, the sinusoidal oscillation current signal 3-1 of alternating signal circuit for generating 3 outputs causes ferrite core 4 through winding displacement coil L1.Winding displacement coil L1 is wound in ferrite core 4 one sides, and ferrite core 4 can be assemblied in fluid pipeline L2 outside by plastic screw, and pipeline L2 and ferrite core 4 are coaxially placed.Can regard winding displacement coil L1 as multiturn primary winding, be wrapped on ferrite core 4, and secondary coil only have single turn, it is the pipeline L2 of a very long very flat filled with fluid.Ferrite core 4 contributes to guiding magnetic field, is regarded as iron core.Therefore, this circuit equivalent can be become to device for transformer.
As shown in Figure 3, sinusoidal oscillation current signal 3-1 is by a winding displacement coil L1(armature winding), produce the alternating magnetic field identical with this current signal frequency, and the circular lines of magnetic induction 40 of electromagnetic field is coaxial with pipeline L2, along the axis propagation of pipeline L2.This alternating magnetic field is an alternating electric field of (secondary coil) induction generation in the conductor of pipeline L2 and the composition of liquid wherein next.
Be illustrated in figure 4 preferred circuit embodiment, alternating signal circuit for generating is by capacitor C, inductance (winding displacement coil L1), and switching tube PMOS forms LC underdamped oscillation circuit, can produce a series of continuous sinusoidal oscillation current signal 3-1 that are exponential attenuation.
The control wave that the grid connection control circuit of Q1 (PMOS) sends, the source electrode of Q1 (PMOS) connects the volts DS of power circuit output, and the drain electrode of Q1 (PMOS) connects LC oscillatory circuit in parallel.
MOSFET is controlled in the pulse that pilot circuit 2 sends, and MOSFET is equivalent to a switch, and the grid of the pulse trigger action switching tube that pilot circuit sends, makes its conducting, lc circuit is charged simultaneously; Switching tube is closed, and before next pulse arrives, lc circuit carries out underdamped oscillation.Its turn-on and turn-off Time dependent the time that discharges and recharges of lc circuit, between charge period, the oscillation signal in lc circuit reaches maximum peak-to-peak value gradually, interdischarge interval, the oscillation signal in lc circuit is index and progressively decays.Be cycle and the interval time thereof of the sinusoidal oscillation current signal 3-1 of every twice charging state, by pilot circuit 2, determined.Sinusoidal wave frequency is determined jointly by L and the C of circuit.Because cycle of the control wave of pilot circuit 2 output is random, therefore this lc circuit can produce the high frequency sinusoidal oscillation current signal 3-1 that exponentially is decayed gradually and random intervals repeats, to meet the required best scale removal frequency of different liqs, guarantee that this device is applicable to various liquid.Pilot circuit 2 can be by realizations such as MCU or other stochastic signal circuit for generatings.Pilot circuit 2 produces frequency, the width of different tripping pulses, and then by the oscillation frequency of tripping pulse control signal circuit for generating output signal, makes signal frequency that alternating signal circuit for generating 3 carries to winding displacement coil L1 random value within the specific limits.
For ease of the waveform that more directviewing description signal generating circuit is exported, we have provided setting pulse and the man-to-man voltage relationship of signal generating circuit output signal, as shown in Figure 5.This sinusoidal oscillation voltage signal 3-2b that is exponential attenuation, the LC underdamped oscillation circuit in alternating signal circuit for generating 3 sends.The setting pulse 3-2a that pilot circuit 2 sends, charges to lc circuit during lower level, during high level, and the automatic underdamped oscillation of lc circuit.The oscillation frequency of sinusoidal oscillation voltage signal 3-2b
reduction coefficient α=R/2L, so change the size of inductance L and capacitor C, can produce the sinusoidal oscillation voltage signal 3-2b of different oscillation frequency and reduction coefficient.Pilot circuit sends setting pulse 3-2a, and the recurrence interval is random variation within the specific limits, and the width of negative pulse is some fixed values.Therefore the cycle of sinusoidal oscillation voltage signal 3-2b random variation within the specific limits, identical with the setting pulse 3-2a cycle.
By Faraday's law
known, in coil inductance value one regularly, it is faster that current signal changes, the inductive emf producing is larger, the signal that signal generating circuit sends is the sinusoidal HF oscillation current signal that is exponential attenuation, signal intensity very fast, and the frequency of each signal is random, so its power is also little, but can generate very large electromotive force.In this case, though liquid transfixion, as long as device work just can, to ducted liquid transfer energy, reach the object of descaling, and blocking scaling.
The frequency sweep electronic liquid treatment apparatus that the utility model provides can produce huge electromotive force to ducted liquid, and in liquid, crystallization absorbs after these energy, more easily generates unsettled aragonite, vaterite, colloid calcium carbonate.Therefore we can think because molecule obtains energy from electric field, form fast aragonite, vaterite, colloid calcium carbonate and exist in solution, with liquid, flow out, and make pipeline less scaling.
The above is four kinds of preferred embodiments of the present utility model, but the present invention should not be confined to the disclosed content of this embodiment and accompanying drawing.So every, do not depart from the equivalence completing under spirit disclosed in this invention or revise, all falling into the scope of protection of the invention.
Claims (5)
1. a random frequency sweep electronic liquid treatment apparatus, is characterized in that, comprises power circuit (1), pilot circuit (2), alternating signal circuit for generating (3) and ferrite core (4);
The input terminus of power circuit (1) is used for connecting electric main, the input terminus of pilot circuit (2) is connected to the first output terminal of described power circuit (1), the first input end of alternating signal circuit for generating (3) is connected to the second output terminal of described power circuit (1), and the second input terminus of alternating signal circuit for generating (3) is connected to the output terminal of described pilot circuit (2); Alternating signal circuit for generating (3) comprises the winding displacement coil L1 that is surrounded on described ferrite core (4) one sides;
During use, ferrite core (4) is assemblied in fluid pipeline L2 outside, and described fluid pipeline L2 and ferrite core (4) are coaxially placed.
2. random frequency sweep electronic liquid treatment apparatus as claimed in claim 1, is characterized in that, described alternating signal circuit for generating (3) also comprises PMOS pipe Q1 and capacitor C; The grid of PMOS pipe Q1 is connected with the output terminal of described pilot circuit (2), the source electrode of PMOS pipe Q1 is connected with the second output terminal of described power circuit (1), the drain electrode of PMOS pipe Q1 is connected with the common port of described winding displacement coil L1 and capacitor C, another common end grounding of described winding displacement coil L1 and capacitor C.
3. random frequency sweep electronic liquid treatment apparatus as claimed in claim 1, it is characterized in that, described alternating signal circuit for generating (3) also comprises NMOS pipe Q2 and capacitor C, the grid of described NMOS pipe Q2 is connected to the output terminal of described pilot circuit (2), the source ground of described NMOS pipe Q2, the drain electrode of described NMOS pipe Q2 is connected with the common port of described winding displacement coil L1 and capacitor C, and another common port of described winding displacement coil L1 and described capacitor C is connected to the second output terminal of described power circuit (1).
4. random frequency sweep electronic liquid treatment apparatus as claimed in claim 1, is characterized in that, described alternating signal circuit for generating (3) also comprises PNP pipe Q3 and capacitor C; The base stage of described PNP pipe Q3 is connected with the output terminal of described pilot circuit (2), the emtting electrode of described PNP pipe Q3 is connected with the second output terminal of described power circuit (1), the collector electrode of described PNP pipe Q3 is connected with the common port of described winding displacement coil L1 and capacitor C, another common end grounding of described winding displacement coil L1 and capacitor C.
5. random frequency sweep electronic liquid treatment apparatus as claimed in claim 1, it is characterized in that, described alternating signal circuit for generating (3) also comprises NPN pipe Q4 and capacitor C, the base stage of described NPN pipe Q4 is connected to the output terminal of described pilot circuit (2), the grounded emitter of described NPN pipe Q4, the collector electrode of described NPN pipe Q4 is connected with the common port of described winding displacement coil L1 and capacitor C, and another common port of described winding displacement coil L1 and described capacitor C is connected to the second output terminal of described power circuit (1).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320464812.2U CN203461885U (en) | 2013-07-31 | 2013-07-31 | Random-sweep-frequency electronic liquid processing device |
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| CN103982339A (en) * | 2014-05-12 | 2014-08-13 | 波思环球（北京）科技有限公司 | Device and method for improving fuel efficiency |
| CN110563100A (en) * | 2019-10-15 | 2019-12-13 | 上海万森水处理有限公司 | Scale inhibition and scale removal device and method based on random pulse sequence alternating electromagnetic field |
| CN110865531A (en) * | 2019-11-20 | 2020-03-06 | 北京无线电计量测试研究所 | Time interval measuring method and system based on nonlinear regression |
| CN112678932A (en) * | 2020-12-16 | 2021-04-20 | 吉林博廪科技有限公司 | Fish tank sterilization and algae removal device and method based on high-frequency alternating electromagnetic field |
| CN112707518A (en) * | 2019-10-25 | 2021-04-27 | 上海科闫系统科技有限公司 | Electric pulse water treatment device and control method thereof |
| CN113193856A (en) * | 2020-01-14 | 2021-07-30 | 上海科闫系统科技有限公司 | Automatic control method of electric pulse water treatment multipath LC signal generator |
| CN114014447A (en) * | 2021-12-07 | 2022-02-08 | 深圳艾萨科技有限公司 | Circulating water tower device and system |
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| CN103982339A (en) * | 2014-05-12 | 2014-08-13 | 波思环球（北京）科技有限公司 | Device and method for improving fuel efficiency |
| CN110563100A (en) * | 2019-10-15 | 2019-12-13 | 上海万森水处理有限公司 | Scale inhibition and scale removal device and method based on random pulse sequence alternating electromagnetic field |
| CN110563100B (en) * | 2019-10-15 | 2023-10-27 | 上海万森低碳科技有限公司 | Scale inhibition and removal device and method based on random pulse sequence alternating electromagnetic field |
| CN112707518A (en) * | 2019-10-25 | 2021-04-27 | 上海科闫系统科技有限公司 | Electric pulse water treatment device and control method thereof |
| CN110865531A (en) * | 2019-11-20 | 2020-03-06 | 北京无线电计量测试研究所 | Time interval measuring method and system based on nonlinear regression |
| CN110865531B (en) * | 2019-11-20 | 2022-08-19 | 北京无线电计量测试研究所 | Time interval measuring method and system based on nonlinear regression |
| CN113193856B (en) * | 2020-01-14 | 2022-05-13 | 上海科闫系统科技有限公司 | Automatic control method of electric pulse water treatment multipath LC signal generator |
| CN113193856A (en) * | 2020-01-14 | 2021-07-30 | 上海科闫系统科技有限公司 | Automatic control method of electric pulse water treatment multipath LC signal generator |
| CN112678932A (en) * | 2020-12-16 | 2021-04-20 | 吉林博廪科技有限公司 | Fish tank sterilization and algae removal device and method based on high-frequency alternating electromagnetic field |
| CN114133047A (en) * | 2021-12-07 | 2022-03-04 | 深圳艾萨科技有限公司 | Industrial boiler device and system |
| CN114014447A (en) * | 2021-12-07 | 2022-02-08 | 深圳艾萨科技有限公司 | Circulating water tower device and system |
| CN118321276A (en) * | 2024-06-05 | 2024-07-12 | 波思环球（北京）科技有限公司 | Alternating magnetic field descaling device, descaling method and application thereof |
| CN118993261A (en) * | 2024-09-09 | 2024-11-22 | 波思环球（北京）科技有限公司 | Electromagnetic ring antibacterial device for killing Legionella |
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