235results about "Electric supply techniques" patented technology

The invention discloses an electrostatic dust collector high-voltage power supply dynamic adjustment method based on fuzzy control, and the method comprises the steps: extracting the impedance change and dust concentration based on real-time operation parameters, judging the tripping risk through fuzzy reasoning, and adjusting the output voltage. And in combination with dust distribution characteristics, pulse parameters are optimized through a fuzzy control algorithm, and waveforms matched with particle motion are generated. Environment parameters are collected to construct a working condition model, and a control mode is switched after scene recognition. And predicting a load change trend, and calculating a millisecond-level response strategy. And fusing the dust removal efficiency and the energy consumption target, dynamically distributing weights, calculating a comprehensive control strategy, verifying a balance state, iteratively adjusting a weight coefficient, and realizing dynamic adjustment of the high-voltage power supply. According to the invention, the stability, the dust removal efficiency and the energy consumption balance of the high-voltage power supply are remarkably improved, and intelligent control of multi-objective optimization is realized.

A smart air ionizer is disclosed herein. The smart air ionizer includes a power circuit, a high voltage circuit, an electrode coupled to the high voltage circuit, the electrode configured to ionize air surrounding the electrode, and a controller circuit coupled to the power circuit and the high voltage circuit, the controller circuit including a controller configured to control a voltage output of the high voltage circuit to the electrode based on a feedback received from the high voltage circuit.

The embodiment of the invention provides a self-recovery method for the ion release capacity of a high-voltage electrostatic module, electronic equipment, a storage medium and a program product, and the method comprises the steps: outputting a self-recovery control signal corresponding to a target time threshold value under the condition that the cumulative operation time length of the high-voltage electrostatic module reaches the target time threshold value, the high-voltage electrostatic module is controlled to execute self-recovery operation; and when it is determined that the accumulated purification amount of the high-voltage electrostatic module reaches a target purification amount threshold value, outputting a self-recovery control signal corresponding to the target purification amount threshold value so as to control the high-voltage electrostatic module to execute the self-recovery operation. The embodiment of the invention provides a dual guarantee mechanism self-adaptive to different use scenes (light-load stable operation and heavy-load accelerated attenuation), establishes an active monitoring and recovery capability for performance attenuation of the high-voltage electrostatic module, and solves the problem that the purification efficiency is reduced due to the fact that the ion release capability is reduced after the module is used for a long time.

An electrostatic air filter device (1) and a method for operating the electrostatic air filter device (1) are proposed. The electrostatic air filter device (1) is designed to filter air flowing through it and comprises an ionizer (2) for ionizing air particles (3) in an electrostatic field generated by applying an electrical voltage supplied by a controllable electrical power source (21) to the ionizer (2). The electrostatic air filter device (1) further comprises an electrical control circuit (20) for controlling the controllable electrical power source (21). The electrical control circuit is configured to detect at least one current power parameter of the ionizer (2) to determine its current state and to adjust the electrical power source at least partially based on the detected power parameter.

The invention relates to the technical field of electric precipitation, in particular to overload monitoring equipment and a monitoring method for electric precipitation equipment, and the method comprises the following steps: acquiring target production data; determining a target dust discharge amount according to the target production data; and determining the target current magnitude according to the target dust discharge amount. The method has the advantages that the neural network is used for conducting deep learning on online collected production data, a corresponding relation model between the dust amount and the power plant production data is established, the smoke dust emission amount is predicted based on the model, the average secondary current amount of the electric field is adjusted in real time on the basis, and the purposes of reducing consumption and reducing power consumption are achieved. According to the invention, the control aims of improving the reliability of the IGBT and prolonging the service life of the IGBT are fulfilled, the spark discharge phenomenon can be reduced or avoided as much as possible, equipment such as the IGBT and a trigger circuit board can be better protected, and unnecessary electric energy consumption can be effectively reduced at the same time.

The invention discloses an electric field parameter coordination control method and system of an electrostatic dust collector, and belongs to the technical field of electrostatic dust collection. The problems that an existing coordination control method depends on artificial experience, electric field parameters are inflexible to adjust, energy consumption is high, and dust removal efficiency is unstable are solved, historical electric field parameters and smoke turbidity are predicted and analyzed through the deep neural network, a prediction result is optimized in combination with a particle swarm optimization algorithm, and the method has the advantages of being high in practicability and the like. The electric field parameter ratio with the lowest energy consumption can be found on the premise that the dust removal efficiency is met, so that the electric field is always in the optimal operation state; meanwhile, by monitoring the electric field parameters in real time, the electric field parameters can be dynamically adjusted according to the change of the working condition parameters, so that the method adapts to complex working condition changes, the dust removal efficiency is further improved, the performance and operation stability of the electrostatic dust collector are effectively improved, and the method has wide application prospects.

The invention provides a pulverized coal concentration device based on a charge method and a control method of the pulverized coal concentration device, and belongs to the field of combustion of coal-fired boilers. The problems that a traditional inertia separation technology is low in separation efficiency and prone to abrasion in the low-load stable combustion process of the pulverized coal boiler are solved. Comprising a corona discharge device, a grounding device, a central discharge device, a concentrated pulverized coal pipeline and a light-phase pulverized coal pipeline, a guide plate is arranged at an inlet of the concentrated pulverized coal pipeline, one end of the light-phase pulverized coal pipeline is inserted into the concentrated pulverized coal pipeline, and the other end of the light-phase pulverized coal pipeline is located on the outer side of the concentrated pulverized coal pipeline; the corona discharge device is arranged on the outer side wall, corresponding to the insertion section of the light-phase pulverized coal pipeline, of the concentrated pulverized coal pipeline, the grounding device is of an annular structure and arranged on the outer side of the corona discharge device in a surrounding mode, and a wear-resistant lining is arranged on the inner wall of the concentrated pulverized coal pipeline. The device is mainly used for improving the pulverized coal concentration of the pulverized coal boiler during low-load operation.

The invention relates to a method for diagnosing an air filter device (1) for separating particles (P) from air (L) passed through the air filter unit (20), which has an ionizer (3) with at least one spray electrode (17) and with at least one counter electrode (5) and also an air filter unit (20) with a filter element (21) having an electrically conductive layer (22), wherein the electrically conductive layer (22) is electrically connected to the counter electrode (5), - according to which an electrical potential difference or high voltage (HV) is generated between the spray electrode (17) and the counter electrode (5) by means of an electrical high-voltage source (8) which is electrically connected to at least one spray electrode (17) and to at least one counter electrode (5) of the ionizer (3), which causes an electric corona current from electrical charges, in particular electrons, emerging from the at least one spray electrode (17), - according to which electrical supply current (I0) is supplied to the electrical high-voltage source (8) for the generation of the electrical corona current, which depends on the electrical corona current, - according to which this electrical supply current (I0) is determined and, depending on this, a conclusion is drawn about a current operating state of the filter element (21) and / or about a filter type of the filter element (21).

The application provides a double closed loop energy-saving optimization control method applied to an electric dust removal system, according to feedback information of output flue gas turbidity of the electric dust removal system, corresponding adjustment of average secondary current is carried out, an outer ring closed loop control of the electric dust removal system is formed, so that current working power meets the requirement of outlet flue gas turbidity control index; and an optimized duty cycle is used to make the spark number not greater than a constraint upper limit value, an inner ring closed loop control of the electric dust removal system is formed, so as to maintain the working power in the outer ring closed loop control. The application adopts a comprehensive index optimization control strategy combining spark control and intermittent power supply mode, which can not only avoid the safety risk of equipment, but also achieve the best energy-saving effect.

The application relates to a comprehensive electric field dust removal system in a lunar environment and relates to the technical field of lunar dust prevention and control. In order to solve the technical problem that, in the prior art, lunar dust causes sealing failure of lunar equipment, thereby affecting normal operation of the equipment, mechanical jamming and shortening of the service life, and affecting observation and data acquisition, the technical scheme provided by the application is as follows: a directional dust control device is adopted, row wave directional transportation technology and electrostatic field electrode adsorption technology are adopted, the direction of lunar dust is controlled, and flying dust is adsorbed; a non-directional dust removal device is adopted, electromagnetic wave blowing technology is adopted, and lunar dust particles are removed through Lorentz force. A lunar dust prevention and control unit is further arranged and is used for providing alternating current and direct current for the directional dust control device and the non-directional dust removal device. The non-directional dust removal device adopts electromagnetic wave blowing technology and removes lunar dust particles through Lorentz force. The application can be applied to dust removal of a power supply of a moon exploration auxiliary robot.

The invention discloses a smoke dust collecting and purifying system and a purifying method. The smoke dust collection and purification system comprises a dust removal device, a ventilation device, an electrostatic dust removal ventilator and a solar cell panel driving device, the dust removal device is connected with the electrostatic dust removal ventilator, and the solar cell panel driving device is fixed to the upper portion of the electrostatic dust removal ventilator. The dust removal device collects and purifies smoke dust for the first time, meanwhile, purified exhaust air and outdoor fresh air are mixed and introduced into the middle of the workshop, the smoke dust escaping from the workshop continues to move upwards, then the smoke dust in the workshop is collected and purified for the second time through the electrostatic dust removal ventilator, and a solar cell panel is flexibly opened and closed; air flow in a workshop can be promoted, and the dust removal effect in the workshop is improved.

This invention relates to the field of electrostatic precipitator technology. It provides an automatic adjustment method and system for an electrostatic precipitator, which precisely controls dust emissions by real-time monitoring of the boiler's total airflow and the dust concentration in the raw flue gas. The system automatically adjusts the electric field output based on the monitoring data and utilizes a feedback mechanism to ensure that dust emissions meet set values. Furthermore, the system also features oxygen correction and special operating condition handling capabilities. This invention improves the intelligence and accuracy of dust control, achieves energy conservation and environmental protection, reduces equipment wear, meets environmental standards, and solves the problem of coal-fired power plants being unable to achieve precise intelligent control of dust levels.

A surgical assembly is disclosed for use with an ultrasonic surgical device that is arranged to deliver ultrasonic vibrations to patient tissue for use in cutting or cauterizing patient tissue during a surgical procedure. The assembly comprises an ion-generating electrode arranged to receive an electrical signal for generating ions proximate a site of the surgical procedure for removing particles suspended proximate the surgical site, and a controller for controlling the application of the electrical signal to the ion-generating electrode. The assembly further comprises a sensing arrangement for sensing a presence of ultrasonic vibrations, and which is communicatively coupled with the controller and arranged to output an activation signal to the controller to cause the electrical signal to be applied to the ion-generating electrode when the sensed ultrasonic vibrations comprise a frequency within a pre-defined frequency range.

The invention is suitable for the technical field of aerospace aircraft environment control, and provides an environment processing system and method for an aerospace aircraft space, and the system sequentially comprises an air inlet, a first discharge cavity, an airflow channel, a second discharge cavity, a sensing module section and an air outlet in the airflow direction; an electrode I is arranged in the first discharge cavity, a high-voltage electrode in the electrode I is connected to a positive high-voltage power supply, and a grounding electrode is connected to a zero-potential reference; an electrode II is arranged in the second discharge cavity, a high-voltage electrode in the electrode II is connected to a negative high-voltage power supply, and a grounding electrode is connected to a zero-potential reference; the sensing module section is provided with a sensing module for detecting gas components; by adopting the bipolar ground design and through the synergistic effect of the oxidation stage and the reduction stage, air is efficiently treated, meanwhile, the concentration of by-products such as ozone can be effectively controlled, it is ensured that output gas meets the aerospace environment safety standard, and the device is compact in structure and easy to integrate with an existing environment control system.

The invention relates to the technical field of flue gas treatment, in particular to a thermal power plant flue gas pollutant zero emission and recovery system which comprises a pretreatment unit, a desulfurization, denitrification and decarbonization integrated unit, a deep purification unit and a pollutant recovery unit which are communicated in sequence. The control system is electrically connected with the pretreatment unit, the desulfurization, denitrification and decarbonization integrated unit, the deep purification unit and the pollutant recovery unit respectively; the pretreatment unit is used for cooling and dedusting flue gas discharged from the thermal power plant; the desulfurization, denitrification and decarburization integrated unit is used for carrying out desulfurization, denitrification and decarburization synchronous treatment on the pretreated flue gas; the deep purification unit is used for carrying out residual pollutant removal treatment on the flue gas subjected to desulfurization, denitrification and decarbonization treatment, so that the pollutant concentration in the flue gas meets the zero emission requirement; the pollutant recovery unit is used for separating, purifying and recovering generated pollutant products; the control system is used for monitoring operation parameters of all the units in real time and automatically adjusting the operation state.

An electrostatic filter module for an air cleaner includes a housing having an installation space configured to be sealed at least against ingress of liquid. The installation space has a high-voltage connection and a connection for lower voltage. Arranged in the housing are a separation unit and an ionization unit arranged in the housing, and a high-voltage transformer is accommodated in the installation space of the housing.

A gas turbine engine combustor section (15) extends axially from a pre-diffuser (220) at a forward end to an aft end relative to an engine axis (A). The gas turbine engine combustor section (15) includes a combustor liner (232) defining a combustion chamber and a combustor dome (234) situated at a forward end of the combustor liner (232) and affixed thereto. The gas turbine engine combustor section (15) further includes an electrostatic particulate matter collector (250). The electrostatic particulate matter collector (250) includes a first charged flow guide (254) having an axially forward-most extent aligned with the pre-diffuser (220) and widens radially with respect to the engine axis (A) from the forward-most extent to the combustor dome (234). The electrostatic particulate matter collector (250) further includes a fuel nozzle (222) extending through the first charged flow guide (254) into the combustor dome (234). The electrostatic particulate matter collector (250) also includes a power supply (204) electrically coupled to positively charge the first charged flow guide (254).

An insulation device and a wet electrostatic precipitator having the same are provided. The insulation device comprises: an insulation device body 310 forming an insulating area 310-1, the insulation

The invention relates to the technical field of dust removal, in particular to a high-hardness and washable electrostatic dust removal electrode and a preparation method and application thereof. The electrostatic dust collection electrode comprises an electrode body and a coating arranged on the surface of the electrode body, the preparation raw materials of the coating comprise a photocureable coating and an inorganic filler; the inorganic filler comprises at least one of silicon dioxide and zirconium dioxide. The surface of the electrostatic dust collection electrode is provided with the coating jointly formed by the photocureable coating and the inorganic filler, the problem of surface arcing of the electrostatic dust collection high-voltage electrode is solved, the coating has excellent surface hardness and wear resistance, the hardness and wear resistance of the coating are improved, and after the electrostatic dust collection electrode is washed for multiple times, the electrostatic dust collection electrode is not prone to falling off. And the good purification efficiency is still kept.

The invention relates to a filter cartridge (10) for a filter system (100) comprising an ionizer (102), comprising: an electrically insulating filter material (14); at least one electrically conductive polarization element (16a, 16b) to which a voltage can be applied in order to polarize the filter material (14); and a current conductor (20), which is designed to protect the filter material (14) from an overcurrent due to a voltage breakdown and from damage resulting therefrom.

The utility model discloses a bus residual electricity recycling circuit after spark, the residual electricity recycling circuit is applied to a power supply circuit of an electric precipitator, the power supply circuit comprises a rectification voltage regulation module, a filter inductor L, a bus filter capacitor C0 and a load module, the input end of the rectification voltage regulation module is used for connecting 380V alternating current voltage, and the output end of the rectification voltage regulation module is used for connecting the filter inductor L with the bus filter capacitor C0. A first output end of the rectification voltage regulation module is connected with a first end of the filter inductor L, a second end of the filter inductor L is respectively connected with a first end of the bus filter capacitor C0 and a first input end of the load module, and a second output end of the rectification voltage regulation module and a second end of the bus filter capacitor C0 are respectively connected with a second input end of the load module; the residual electricity recycling circuit comprises a controller, a residual electricity recycling storage circuit, a residual electricity recycling storage control circuit and a residual electricity cyclic utilization control circuit.

The application discloses an automatic control method and system of an electrostatic dust removal system, which combines a neural network control algorithm and a PID regulation control algorithm, takes the neural network control algorithm as preprocessing of electrostatic dust removal system control and initialization processing when the PID regulation control algorithm is out of control, avoids uncontrolled state of the system caused by PID control overshoot or oscillation, and takes the PID regulation control algorithm as real-time tracking regulation of the system, so that the real-time response speed of intelligent control of the system can be effectively improved, thereby ensuring operation stability and response rapidity of the electrostatic dust removal system, and better realizing energy saving and efficiency improvement of the system. On the other hand, the automatic control method combines the two control algorithms, effectively avoids temporary out-of-control of the system caused by too large overshoot of the intelligent control after switching, thereby ensuring stable operation of the electrostatic dust removal system and realizing intelligent control.

A particulate collecting device (100) attachable to a vehicle for collecting or capturing particulates that are released from a tyre or a wheel (W) of the vehicle through wear on or against a driving surface (S) when the vehicle is driven on the driving surface. The device comprises an electrostatic filter unit (110) mountable in an operative position in close proximity to the tyre or the wheel of the vehicle for receiving a flow of particulates (FI) from a contact point (CP) between the tyre or wheel and the driving surface. The filter unit (110) is configured to collect or capture the particulates in the flow by electrostatic attraction.

The invention relates to a method for operating a filtration device with a polarization filter comprising a polarizable filter medium through which a fluid to be filtered can flow, comprising the step of: providing a polarization voltage (U) between the polarization electrodes of the polarization filter to polarize the filter medium of the polarization filter by means of an electrical supply device of the filtration device.

The utility model discloses a bidirectional composite charge module, and relates to the technical field of charge modules, the bidirectional composite charge module is characterized in that a plurality of electrifying rods are uniformly arranged in a frame body, and a plurality of tungsten needles are arranged on the end surfaces of the two ends of each electrifying rod; iron frames are arranged on the end faces of the two ends of the frame body, a plurality of ventilation holes are evenly formed in the iron frames, the ventilation holes in the two iron frames are the same in shape and size and correspond to each other in position, and a flow dividing frame is arranged in the ventilation hole in the iron frame on one side. According to the bidirectional composite charge module provided by the utility model, the shunting frame is arranged, so that the contact area with air is increased, the secondary adsorption effect is improved, and the air purification effect is improved.

The present invention relates to a device (10) for reducing particulate matter emissions from flue gas (S) in a batch-fueled fire space (12) equipped with a firebox (14). The device (10) is installed in a firebox (14) located within the flame (18) region or directly adjacent to the flame (18) and comprises an electrode (16) that generates an electric field (E), an insulator (24) that covers a part of the electrode (16), a power supply (22) that supplies voltage to the electrode, a transformer (30) that converts the voltage level of the electricity supplied by the power supply (22) to a voltage level of 1 to 100 kV, preferably 10 to 30 kV, and a collector (25) that can be installed within the flame (18) region or in a firebox (14) directly adjacent to the flame (18) to collect charged particles (15). The apparatus (10) is configured to charge particles (15) through an insulator (24) to allow a leakage current of 0.001 mA to 5.0 mA, preferably 0.1 mA to 5.0 mA, and optimally 2.0 mA to 3.0 mA. The insulator (24) and the collector (25) act as collection surfaces for the charged particles (15), and the particles (15) are oxidized on the collection surfaces under the influence of temperature. The present invention also relates to firespace and methods.

Electrification device for an electric dust collector (1000) comprising an electrification module (1100, 3100) for generating ions in flowing air, wherein the electrification module (1100, 3100) comprises: a high-voltage peak (1130, 3130) having at least one discharge peak (1131) configured to emit the ions in a direction opposite to a flow direction of the air; a conductive plate (1120, 3120) arranged around the discharge tip (1131) and configured to generate an electrical potential difference to the discharge tip (1131) of the high voltage peak (1130, 3130); a lower frame (1140, 3140) that mounts the conductive plate (1120, 3120) and the high-voltage peak (1130, 3130); and an upper frame (1100, 3110) coupled to the lower frame (1140, 3140), wherein the upper frame (1100, 3110) covers the conductive plate (1120, 3120) and the high voltage peak (1130, 3130) so that the discharge peak (1131) is exposed to the outside; characterized by the fact that the upper frame (1100, 3110) has an upper outer frame (1111) which provides a lower frame coupling part for coupling with the lower frame (1140, 3140), and an upper inner frame (1112) which is arranged inside the upper outer frame (1111), wherein the lower frame (1140, 3140) provides a coupling hook (1141a) which corresponds to the lower frame coupling part.

The embodiment of the application provides a kind of electric dust collector counter corona critical point judging method and system, belong to electric dust removal technical field.The method includes: the state parameter information of target electric dust collector is collected, and the state parameter information is carried out missing value filling processing, obtains basic parameter set;Based on the basic parameter set, the typical structure model of target electric dust collector is constructed;In the typical structure model, power supply parameter is adaptively adjusted, and simulation is run to stable state, and simulation parameters are collected in the stable state, obtain multiple simulation parameter sets;Based on each power supply parameter and corresponding simulation parameter set, the power supply parameter of counter corona critical point is judged.The present application solves the problem that the existing electric dust collector control scheme exists and the adjusting precision cannot be guaranteed.

Provided is an inverter device having a dust collecting unit. An inverter device having a dust collecting unit according to an embodiment of the present invention can include a housing having an air inflow inlet formed on one side and an air outflow outlet formed on the other side; an inverter electric element disposed inside the housing; a first suction member disposed inside the housing; and a dust collecting unit disposed on one side of the air inflow inlet.