CN116675294B - Electric pulse water treatment system under pipeline buried scene and control method thereof - Google Patents
Electric pulse water treatment system under pipeline buried scene and control method thereof Download PDFInfo
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- CN116675294B CN116675294B CN202310972352.2A CN202310972352A CN116675294B CN 116675294 B CN116675294 B CN 116675294B CN 202310972352 A CN202310972352 A CN 202310972352A CN 116675294 B CN116675294 B CN 116675294B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 88
- 238000000034 method Methods 0.000 title claims abstract description 15
- 230000001360 synchronised effect Effects 0.000 claims abstract description 41
- 238000004146 energy storage Methods 0.000 claims abstract description 29
- 230000010355 oscillation Effects 0.000 claims abstract description 26
- 239000003990 capacitor Substances 0.000 claims abstract description 15
- 238000007599 discharging Methods 0.000 claims abstract description 14
- 238000013500 data storage Methods 0.000 claims abstract description 13
- 238000004364 calculation method Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 8
- 230000002265 prevention Effects 0.000 abstract description 8
- 239000012535 impurity Substances 0.000 description 6
- 239000010842 industrial wastewater Substances 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/4608—Treatment of water, waste water, or sewage by electrochemical methods using electrical discharges
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/008—Control or steering systems not provided for elsewhere in subclass C02F
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/4602—Treatment of water, waste water, or sewage by electrochemical methods for prevention or elimination of deposits
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F18/00—Pattern recognition
- G06F18/20—Analysing
- G06F18/21—Design or setup of recognition systems or techniques; Extraction of features in feature space; Blind source separation
- G06F18/213—Feature extraction, e.g. by transforming the feature space; Summarisation; Mappings, e.g. subspace methods
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/46—Apparatus for electrochemical processes
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2218/00—Aspects of pattern recognition specially adapted for signal processing
- G06F2218/08—Feature extraction
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- Computer Vision & Pattern Recognition (AREA)
- General Chemical & Material Sciences (AREA)
- Electrochemistry (AREA)
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Abstract
The utility model relates to the technical field of water treatment, and discloses an electric pulse water treatment system under a pipeline buried scene and a control method thereof, wherein the electric pulse water treatment system comprises at least two electric pulse water treatment devices which are respectively arranged at two sides of each buried site; the remote monitor is connected with each electric pulse water treatment device in a network mode and sends frequency values of oscillation signals to each electric pulse water treatment device; the electric pulse water treatment device comprises a signal collector, a plurality of signal generators and a local monitor; the signal generator comprises a charging switch, an energy storage inductor, a variable capacitor and a discharging inductor; the local monitor comprises a main control unit, a bus interface unit, a synchronous triggering unit, a data storage unit and a display unit; the synchronous triggering units in all the electric pulse water treatment devices are connected in an electric signal mode, and the energy storage inductors of the signal generators in all the electric pulse water treatment devices are connected in parallel. The utility model can eliminate the influence of rapid attenuation of the oscillation signal caused by pipeline burying and ensure the scale prevention and removal effects.
Description
Technical Field
The utility model relates to the technical field of water treatment, in particular to an electric pulse water treatment system under a pipeline buried scene and a control method thereof.
Background
With the development of modern society, water resources are an important part of human work and life, and pollution problems are also becoming more serious. In order to prevent excessive waste of water resources, the country has made a series of restrictions on industrial wastewater discharge, so that the industrial wastewater can be discharged after reaching standards, thereby facilitating secondary utilization of the industrial wastewater. Impurities exist in industrial wastewater or treated industrial wastewater, and impurities or precipitates in the wastewater are easy to remain in the water pipe, so that the impurities remain in the water pipe and are solidified on the water pipe wall.
In order to prevent the water tube walls from depositing impurities, the impurities on the water tube walls are usually cleaned in a pulsed vibration manner. The Chinese patent No. 209025173U proposes a double-row magnetic core multi-head structure of a large pipeline, which is used for solving the problem of cleaning impurities on the water pipe wall in a pulse vibration mode under the condition of large pipe diameter. The multi-head structure described in the above patent is a multi-path frequency signal generator, and the multi-path signals are beneficial to the pulse signals to be uniformly distributed in the pipe diameter, however, if the frequencies or phases of the signals are different, superposition counteraction exists to affect the scale prevention and removal effects. The utility model discloses an electric pulse water treatment device and a control method thereof, which are based on frequency consistency and synchronous triggering to ensure that multiple signals with different frequency phases are overlapped and offset to influence the scale prevention and scale removal effect, and the utility model obtains very excellent scale prevention and scale removal effect under the condition that a pipeline is not buried or a buried part is well insulated, but in an industrial site that the pipeline is buried and the buried part is not insulated or is not insulated in place, the electromagnetic pulse generated by the electric pulse water treatment device is quickly attenuated due to the grounding of the pipeline, so that the scale prevention and scale removal effect is poor.
Disclosure of Invention
The utility model provides an electric pulse water treatment system and a control method thereof under a pipeline burying scene, which are used for solving the problem that the existing electric pulse water treatment device has poor scale prevention and removal effect on an industrial site where a pipeline is buried and the buried part is not subjected to insulation treatment or is not subjected to insulation treatment in place.
In order to achieve the technical purpose, the utility model adopts the following technical scheme:
the electric pulse water treatment system under the pipeline buried scene comprises at least two electric pulse water treatment devices which are respectively arranged at two sides of each buried site; the remote monitor is connected with each electric pulse water treatment device in a network mode and sends frequency values of oscillation signals to each electric pulse water treatment device; the electric pulse water treatment device comprises a signal collector, a plurality of signal generators and a local monitor; the signal generator comprises a charging switch, an energy storage inductor, a variable capacitor and a discharging inductor, wherein the energy storage inductor, the discharging inductor and the variable capacitor are connected in series to form an LC oscillating circuit; the local monitor comprises a main control unit, a bus interface unit, a synchronous triggering unit, a data storage unit and a display unit; the main control unit is connected with the signal collectors and the signal generators through the bus interface unit, the main control unit is connected with the charging switches of the signal generators in a discrete line mode through the synchronous trigger unit, and the data storage unit and the display unit are connected with the main control unit; the main control unit generates synchronous signals through the synchronous triggering units and outputs the synchronous signals to a plurality of signal generators of all the electric pulse water treatment devices; the energy storage inductors of the signal generators in all the electric pulse water treatment devices are connected in parallel.
Further, the data storage unit stores an energy storage inductance self-inductance coefficient L1, a discharge inductance self-inductance coefficient L2 and a buried site number n in the signal generator; the main control unit calculates a capacitance value C required by the signal generator according to the energy storage inductance self-inductance L1, the discharge inductance self-inductance L2, the buried site number n and the frequency f value of the oscillating signal issued by the remote monitor, wherein the capacitance value C is calculated according to the following formula:
further, the local monitor further comprises an alarm unit, and the alarm unit is connected with the main control unit.
Further, the local monitor further comprises a data access unit, and the remote monitor is connected with the local monitor through the data access unit in a network mode.
The control method of the electric pulse water treatment system under the pipeline buried scene comprises the following working processes:
s1, arranging an electric pulse water treatment device on two sides of each buried site under the scene that the pipeline is provided with n buried sites, wherein the total number of the electric pulse water treatment devices is n+1; each electric pulse water treatment device is connected with a remote monitor in a network mode;
s2, the remote monitor transmits an oscillation signal frequency value f to a local monitor of the electric pulse water treatment device;
s3, the local monitor calculates a capacitance value C required by the signal generator based on the energy storage inductance self-inductance coefficient L1, the discharge inductance self-inductance coefficient L2, the buried site number n and the oscillation signal frequency value f issued by the remote monitor, which are stored by the data storage unit, wherein the calculation formula is as follows:
；
s4, the local monitor transmits a capacitance value C to the signal generator through the bus interface unit based on the main control unit, and the signal generator receives the capacitance value transmitted by the local monitor through the bus interface unit and controls the variable capacitor to set a corresponding capacitance value;
s5, the local monitor of the electric pulse water treatment device generates synchronous signals through the synchronous triggering unit based on the main control unit and outputs the synchronous signals to a plurality of signal generators of the electric pulse water treatment devices in the system, and the signal generators start to open or close a charging switch according to the synchronous signals so as to control the charging and discharging of the energy storage inductor and generate oscillation signals.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the electric pulse water treatment devices are respectively arranged at two sides of each buried site, and the parallel synchronous trigger unit and the parallel energy storage inductor are used for ensuring that the oscillation signals of parameters of the electric pulse water treatment devices are in the same frequency and in the same phase, so that the signals are enhanced, the influence of rapid attenuation of the oscillation signals caused by the buried pipeline can be eliminated, and the scale prevention and removal effects are ensured; the capacitance value of the expected oscillation frequency is accurately calculated through an equivalent capacitance value calculation formula, and accurate oscillation frequency control is realized through capacitance value adjustment of a variable capacitor, so that the same frequency of an oscillation signal of an electric pulse water treatment device parameter is further ensured.
2. The utility model realizes the enhancement of the oscillation signal by combining and controlling the prior electric pulse water treatment device so as to eliminate the influence of rapid attenuation of the oscillation signal caused by the burying of the pipeline, and has convenient and rapid deployment and low comprehensive cost on the premise of ensuring the scale prevention and removal effect.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic block diagram of an electrical pulse water treatment system in a pipeline buried scenario of the present utility model;
FIG. 2 is a schematic block diagram of an electric pulse water treatment apparatus.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
An electric pulse water treatment system under a pipeline buried scene comprises at least two electric pulse water treatment devices which are respectively arranged at two sides of each buried site; the remote monitor is connected with each electric pulse water treatment device in a network mode and sends frequency values of oscillation signals to each electric pulse water treatment device; the electric pulse water treatment device comprises a signal collector, a plurality of signal generators and a local monitor; the signal generator comprises a charging switch, an energy storage inductor, a variable capacitor and a discharging inductor, wherein the energy storage inductor, the discharging inductor and the variable capacitor are connected in series to form an LC oscillating circuit; the local monitor comprises a main control unit, a bus interface unit, a synchronous trigger unit, a data storage unit, a display unit, an alarm unit and a data access unit, wherein the main control unit is connected with a signal collector and a signal generator through the bus interface unit, the main control unit is connected with charging switches of a plurality of signal generators in a discrete line mode through the synchronous trigger unit, the data storage unit, the display unit and the alarm unit are all connected with the main control unit, and the data storage unit stores an energy storage inductance self-inductance coefficient L1, a discharge inductance self-inductance coefficient L2 and a buried site number n in the signal generator; the main control unit generates synchronous signals through the synchronous triggering units and outputs the synchronous signals to a plurality of signal generators of all the electric pulse water treatment devices; the energy storage inductors of the signal generators in all the electric pulse water treatment devices are connected in parallel.
In a scene that the pipeline is provided with n buried sites, the electric pulse water treatment system in the pipeline buried site comprises n+1 electric pulse water treatment devices which are arranged at two sides of each buried site and used for enhancing oscillation signals and compensating for rapid attenuation of the oscillation signals caused by grounding; the output of the synchronous triggering unit of the electric pulse water treatment device is connected to the input of the synchronous triggering units of other n electric pulse water treatment devices in the system at the same time except for synchronous triggering of a plurality of signal generators of the electric pulse water treatment device, so that the phase of oscillation signals generated by all the electric pulse water treatment devices in the system is ensured to be the same; the output of the synchronous triggering unit of the electric pulse water treatment device is connected with the input of the charging switch of the signal generator, and is used for switching on or switching off the charging switch so as to control the charging and discharging of the energy storage inductor; the charging ends of the energy storage inductors of all the signal generators of the electric pulse water treatment device are connected through wires, namely the energy storage inductors L1 of all the signal generators are connected in parallel, so that the synchronization of charging and discharging of all the signal generators of the electric pulse water treatment device is ensured; the remote monitor is connected with each electric device through a network cableThe data access unit of the pulse water treatment device is used for sending the frequency value of the oscillation signal to each electric pulse water treatment device of the system, ensuring that the frequencies of the oscillation signals generated by all the electric pulse water treatment devices in the system are the same, and the change of the frequency value is realized by the change of the capacitance value C of the variable capacitor, and the capacitance value C is a value of the variable capacitorWhere f represents a frequency value, L1 represents a self-inductance of the energy storage inductor, L2 represents a self-inductance of the discharge inductor connected in series with the energy storage inductor, and n represents the number of buried sites.
The working principle of the utility model is as follows: the remote monitor transmits the frequency value f of the oscillating signal to the local monitor, and the local monitor receives the frequency value f information of the oscillating signal transmitted by the remote monitor through the data access unit; the local monitor is based on the main control unit and according to the energy storage inductance self-inductance coefficient L1, the discharge inductance self-inductance coefficient L2 and the buried site number n stored by the data storage unit, and according to the capacitance value calculation formulaCalculating a capacitance value C required by the signal generator; the local monitor sends a capacitance value C to the signal generator through the bus interface unit based on the main control unit, and the signal generator receives the capacitance value sent by the local monitor through the bus interface unit and controls the variable capacitor to set a corresponding capacitance value; the local monitor of the electric pulse water treatment device generates synchronous signals based on the main control unit through the synchronous triggering unit and outputs the synchronous signals to a plurality of signal generators of all the electric pulse water treatment devices in the system, the signal generators receive the synchronous signals generated by the local monitor and start to open or close a charging switch according to the synchronous signals so as to control the charging and discharging of the energy storage inductor, and the energy storage inductor, the discharging inductor and the variable capacitor form an LC oscillating circuit to generate oscillating signals.
The utility model also discloses a control method of the electric pulse water treatment system in the pipeline buried scene, which comprises the following working processes:
s1, arranging an electric pulse water treatment device on two sides of each buried site under the scene that the pipeline is provided with n buried sites, wherein the total number of the electric pulse water treatment devices is n+1; each electric pulse water treatment device is connected with a remote monitor in a network mode;
s2, the remote monitor transmits an oscillation signal frequency value f to a local monitor of the electric pulse water treatment device, and the local monitor receives the oscillation signal frequency value f information transmitted by the remote monitor through the data access unit;
s3, the local monitor calculates a capacitance value C required by the signal generator based on the energy storage inductance self-inductance coefficient L1, the discharge inductance self-inductance coefficient L2 and the buried site number n stored by the main control unit according to the data storage unit; the calculation formula is as follows:
；
s4, the local monitor transmits a capacitance value C to the signal generator through the bus interface unit based on the main control unit, and the signal generator receives the capacitance value transmitted by the local monitor through the bus interface unit and controls the variable capacitor to set a corresponding capacitance value;
s5, the local monitor of the electric pulse water treatment device generates synchronous signals based on the main control unit through the synchronous triggering unit and outputs the synchronous signals to a plurality of signal generators of all the electric pulse water treatment devices in the system, and the signal generators receive the synchronous signals generated by the local monitor and start to open or close a charging switch according to the synchronous signals so as to control the charging and discharging of the energy storage inductor and generate oscillation signals.
Of course, the present utility model is capable of other various embodiments and its several details are capable of modification and variation in light of the present utility model by one skilled in the art without departing from the spirit and scope of the utility model as defined in the appended claims.
Claims (3)
1. The control method of the electric pulse water treatment system in the pipeline buried scene comprises at least two electric pulse water treatment devices which are respectively arranged at two sides of each buried site; the remote monitor is connected with each electric pulse water treatment device in a network mode and sends frequency values of oscillation signals to each electric pulse water treatment device; the electric pulse water treatment device comprises a signal collector, a plurality of signal generators and a local monitor; the signal generator comprises a charging switch, an energy storage inductor, a variable capacitor and a discharging inductor, wherein the energy storage inductor, the discharging inductor and the variable capacitor are connected in series to form an LC oscillating circuit; the local monitor comprises a main control unit, a bus interface unit, a synchronous triggering unit, a data storage unit and a display unit; the main control unit is connected with the signal collectors and the signal generators through the bus interface unit, the main control unit is connected with the charging switches of the signal generators in a discrete line mode through the synchronous trigger unit, and the data storage unit and the display unit are connected with the main control unit; the main control unit generates synchronous signals through the synchronous triggering units and outputs the synchronous signals to a plurality of signal generators of all the electric pulse water treatment devices; the energy storage inductors of the signal generators in all the electric pulse water treatment devices are connected in parallel;
the method is characterized in that: the control method comprises the following steps:
s1, arranging an electric pulse water treatment device on two sides of each buried site under the scene that the pipeline is provided with n buried sites, wherein the total number of the electric pulse water treatment devices is n+1; each electric pulse water treatment device is connected with a remote monitor in a network mode;
s2, the remote monitor transmits an oscillation signal frequency value f to a local monitor of the electric pulse water treatment device;
s3, the local monitor calculates a capacitance value C required by the signal generator based on the energy storage inductance self-inductance coefficient L1, the discharge inductance self-inductance coefficient L2, the buried site number n and the oscillation signal frequency value f issued by the remote monitor, which are stored by the data storage unit, wherein the calculation formula is as follows:
；
s4, the local monitor transmits a capacitance value C to the signal generator through the bus interface unit based on the main control unit, and the signal generator receives the capacitance value transmitted by the local monitor through the bus interface unit and controls the variable capacitor to set a corresponding capacitance value;
s5, the local monitor of the electric pulse water treatment device generates synchronous signals through the synchronous triggering unit based on the main control unit and outputs the synchronous signals to a plurality of signal generators of the electric pulse water treatment devices in the system, and the signal generators start to open or close a charging switch according to the synchronous signals so as to control the charging and discharging of the energy storage inductor and generate oscillation signals.
2. The control method of the electric pulse water treatment system in the pipeline buried scene according to claim 1, characterized in that: the local monitor also comprises an alarm unit, and the alarm unit is connected with the main control unit.
3. The control method of the electric pulse water treatment system in the pipeline buried scene according to claim 1, characterized in that: the local monitor also comprises a data access unit, and the remote monitor is connected with the local monitor through the data access unit in a network mode.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US3176158A (en) * | 1961-05-19 | 1965-03-30 | Schlumberger Prospection | Signal generator |
| CN103543345A (en) * | 2012-07-12 | 2014-01-29 | 鸿富锦精密工业（深圳）有限公司 | Inductor test system |
| 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 |
| CN113949365A (en) * | 2020-07-15 | 2022-01-18 | 上海科闫系统科技有限公司 | Electric pulse water treatment digital signal generator |
| CN216584414U (en) * | 2021-12-29 | 2022-05-24 | 张锐 | High-frequency alternating magnetic field descaling and antiscaling device |
| CN116332377A (en) * | 2023-03-07 | 2023-06-27 | 瑞纳智能设备股份有限公司 | Liquid pipe descaling device and liquid processor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6965215B2 (en) * | 2004-02-04 | 2005-11-15 | General Atomics | Capacitor pulse forming network with multiple pulse inductors |
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- 2023-08-03 CN CN202310972352.2A patent/CN116675294B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3176158A (en) * | 1961-05-19 | 1965-03-30 | Schlumberger Prospection | Signal generator |
| CN103543345A (en) * | 2012-07-12 | 2014-01-29 | 鸿富锦精密工业（深圳）有限公司 | Inductor test system |
| 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 |
| CN113949365A (en) * | 2020-07-15 | 2022-01-18 | 上海科闫系统科技有限公司 | Electric pulse water treatment digital signal generator |
| CN216584414U (en) * | 2021-12-29 | 2022-05-24 | 张锐 | High-frequency alternating magnetic field descaling and antiscaling device |
| CN116332377A (en) * | 2023-03-07 | 2023-06-27 | 瑞纳智能设备股份有限公司 | Liquid pipe descaling device and liquid processor |
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