107 results about "Phase inversion" patented technology

The invention discloses a rubber product quality detection method and system, and relates to the related technical field of rubber quality detection.The method comprises the steps that rubber products are conveyed to a target detection table, and data acquisition of the rubber products is executed; inputting the wave impedance distribution data and the surface heat distribution gradient field into a defect causal atlas channel to execute phase inversion fusion processing, establishing a cross-modal coupling phase tensor, and identifying deep defect response characteristics by solving a phase difference matrix; activating a pressure spectrum sensing unit to apply control pressure, reading a local mechanical response spectrum, sending the local mechanical response spectrum to a cross-modal calibration layer, and executing joint error authentication; and performing quality detection report according to a self-calibration defect mapping result. The technical problems that in the prior art, multi-modal sensing data fusion efficiency is low, deep defects are difficult to comprehensively recognize, and consequently the quality detection precision and reliability of rubber products are insufficient are solved, and the technical effects that cross-modal cooperative detection is achieved, and the precision and reliability of defect recognition results are improved are achieved.

The invention relates to the technical field of radio frequency signal processing, and discloses a digital filtering repair method and system for signal distortion, and the method comprises the steps: obtaining a frequency domain amplitude-frequency response and a phase response; constructing a phase compensation amount by adopting piecewise polynomial fitting and a phase inversion mechanism; a complex number logarithm domain mapping mechanism is adopted to execute composite frequency response inversion; constructing a switchable hybrid digital filter with an amplitude path and a phase path coupled in parallel; multi-band adaptive scheduling is executed; and outputting the radio frequency baseband signal stream. The technical problems that in the prior art, frequency response nonlinear distortion in a broadband range cannot be dealt with by adopting a fixed template or a single-path filter, and particularly, a high-precision and low-delay dynamic compensation effect cannot be realized in a scene that multi-band coupling interference exists in a radio frequency ADC channel with the bandwidth exceeding 800MHz are solved. Due to the fact that the switchable hybrid digital filter is constructed, accurate modeling and flexible recovery of distortion characteristics in broadband signals are achieved.

The invention relates to the technical field of operational amplifier testing, and discloses a device and method for establishing time testing and a medium, and the device comprises a parameter measurement unit module which is used for transmitting a first step signal; the inverting module is used for receiving the first step signal, performing phase inversion on the first step signal based on an inverting operational amplifier, and outputting a first inverted signal; the parameter measurement unit module is also used for sending a second step signal after the first step signal is sent for a preset duration; the superposition module is respectively connected with the phase inversion module and the parameter measurement unit module, and the superposition module is used for receiving the first phase inversion signal and the second phase step signal, adding the first phase inversion signal and the second phase step signal and outputting a first superposition signal; and the parameter measurement unit module is also used for receiving the first superposed signal and obtaining the establishment time of the inverting operational amplifier based on the analysis result of the first superposed signal. Therefore, the test result is more accurate.

The invention discloses a building electrical circuit arc fault multi-dimensional detection and positioning method and system. The method comprises the following steps: injecting a low-amplitude broadband excitation signal into a key node of a power distribution loop through an electromagnetic excitation and sensing device, collecting a line response waveform and establishing a steady-state electromagnetic response baseline; performing self-correlation operation and spectral analysis based on the baseline, extracting formant frequency, energy distribution and bandwidth characteristics, and generating an electromagnetic modal characteristic fingerprint; through constructing a time-frequency coupling resonance matrix, formant frequency shift amount and energy gradient change are monitored in real time, and an abnormal resonance state of a line is identified. After abnormality is detected, establishing a spatial positioning equation according to multi-node phase distribution, and determining the position of an arc or a breakdown source by adopting a phase inversion algorithm; calculating a line stability coefficient by combining a positioning result and time sequence resonance data, and predicting an arc risk level; when the risk level exceeds a threshold value, an electromagnetic compensation module is activated, an opposite-phase suppression signal is generated and injected into an abnormal area, and active protection closed-loop control is achieved.

The invention discloses a dynamic balance adjusting device and method for a magnetic suspension fan rotor, and relates to the technical field of self-adaptive adjustment. The method comprises the steps of collecting a suspension bearing displacement signal, a magnetic suspension coil current signal, a machine body vibration acceleration signal, a motor end electromagnetic response signal and a rotor angular displacement parameter, and constructing a rotor operation signal set; performing preprocessing and feature extraction on each signal to obtain four types of feature data; inputting the comprehensive characteristic data into a rotor balance diagnosis model to identify the unbalance state of the rotor; based on an amplitude phase inversion algorithm, solving a virtual counterweight amplitude and a phase adjustment amount, and injecting into a suspension coil to execute adjustment; judging whether dynamic correction is needed or not according to the real-time comprehensive characteristic data, and if yes, generating a dynamic gain coefficient to correct the adjustment parameters and then injecting the adjustment parameters into the suspension coil again; according to the invention, real-time identification and self-adaptive adjustment are carried out on the mass unbalance vibration of the magnetic suspension fan rotor, the operation vibration of the rotor is effectively inhibited, and the balance stability and reliability of the system are improved.

The invention discloses a method and a system for determining a multi-loop control parameter setting value of a network-constructed converter, and relates to the technical field of network-constructed converters, and the method comprises the following steps: based on the real-time operation state of a voltage outer loop of the network-constructed converter, extracting a time synchronization sequence of a delay compensation amount and a phase offset amount, generating a dynamic response curve of the voltage outer loop after sudden change of the external load is triggered; and according to the dynamic response curve, performing self-constraint processing on the delay compensation amount. According to the invention, through the self-constraint and amplitude limiting control of the delay compensation amount, the virtual impedance keeps inductive response under the sudden change of the load, energy reflux and oscillation caused by phase inversion are prevented, and the voltage stability and the dynamic response performance are improved; meanwhile, multi-loop coordination and energy self-balancing are achieved through energy flow balance regulation and self-adaptive damping adjustment, high-frequency energy fluctuation is effectively restrained, and stable operation and parameter setting precision of the grid-forming type converter under the complex working condition are guaranteed.

The invention provides a gain-reconfigurable active phase shifter with a low phase error, and relates to the technical field of phase shifters, and the phase shifter comprises a quadrature coupler which converts a radio frequency input signal into a shunt radio frequency signal; the input matching Balun converts the shunt radio frequency signal into a shunt differential signal; the digital control signal received by the phase inversion variable gain amplifier is used for controlling the on-off state of a differential pair in each differential group, and determining a differential combination current corresponding to a differential pair combination in a conduction state based on a shunt differential signal corresponding to each differential pair; the differential combination current is used for representing a gain state corresponding to the differential pair combination; the input impedance and the output impedance of the phase inversion variable gain amplifier in different gain states are kept unchanged; the vector synthesis module determines a phase shift differential signal based on the differential combined current; the output matching Balun converts the phase shift differential signal into a radio frequency output signal. The antenna has a wide gain adjustable range and a low phase error.

The utility model discloses an online emulsification phase inversion pump for waterborne polyurethane, and relates to the technical field of raw material processing, the online emulsification phase inversion pump comprises a pump body shell B, the peripheral surface of a driving shaft is fixedly sleeved with a rotor A mounted at a stirring bin B, and a sleeve disc A matched with the bottom of a stator B is fixedly arranged at the position, below the rotor A, of the peripheral surface of the driving shaft; a plurality of cutting columns A matched at the stirring bin C are annularly and fixedly installed at the top of the sleeve disc A at equal intervals, a sleeve disc B matched at the bottom of the stator B is fixedly arranged at the position, located above the sleeve disc A, of the peripheral surface of the driving shaft, and a plurality of cutting columns B matched at the stirring bin C are annularly and fixedly installed at the top of the sleeve disc B at equal intervals. The rotor A, the rotor B, the cutting column A and the cutting column B are driven by the driving shaft to rotate, and in the process that a solution flows through different stirring bins A, B, C and D, the solution is stirred, cut, shunted and scattered for multiple times, so that the solution can be more quickly and fully mixed together.

The invention relates to a method for influence of dislocation dipole defects in an aluminum matrix on acoustic parameters, belongs to the technical field of discrete solution, and provides a novel molecular dynamics simulation method for researching ultrasonic sound velocity, sound attenuation and acoustic nonlinear parameter change on the basis of two dislocation dipole structures. The method specifically comprises the following steps: controlling the type and the number of dislocation dipoles in an aluminum matrix, carrying out atomic scale acoustic simulation on dislocation dipole models of different types and numbers by adopting a phase inversion technology, extracting sound velocity by adopting a cross correlation method, extracting sound attenuation by adopting a Hilbert transformation method and extracting acoustic nonlinear parameters by adopting an FFT method aiming at four-phase signals; and precise extraction of acoustic parameters is realized. And determining the contribution of the dislocation defect to the acoustic parameters based on the relationship fitting of the three acoustic parameters and the dislocation defect, thereby realizing the prediction from the acoustic parameters to defect characteristics.

The invention relates to the field of masks, and discloses a mask and a control method thereof, the mask comprises a mask body, a secondary sound source device and a voice signal acquisition part; the mask body comprises a mouth and nose wrapping structure and a mask shell, and the mouth and nose wrapping structure is connected with the mask shell; the voice signal acquisition part comprises a main microphone, and the main microphone is arranged on the inner side of the mouth and nose wrapping structure; the secondary sound source device is arranged on the outer side of the mask shell and works based on a control instruction. According to the mask, user sound or environmental noise is collected through the voice collecting part, the secondary sound source device sends out corresponding sound according to user requirements or conducts phase reversal processing on sound waves, and sound opposite to the user is sent out to achieve sound wave counteracting near the air outlet so as to achieve the purpose of active noise reduction; or scrambling signals such as white noise, environment sound and scene sound are generated, and user voice is hidden to the maximum extent; or the sound of the user is amplified, so that the sound is clearer and more stable.

The invention discloses electronic equipment, and belongs to the technical field of electronic products. The electronic equipment is provided with a loudspeaker rear cavity. The electronic equipment comprises a heat dissipation piece, the heat dissipation piece is provided with a heat dissipation air channel, an air inlet and an air outlet are formed in the two ends of the heat dissipation air channel respectively, at least part of the heat dissipation air channel forms a first phase inversion channel, and the first phase inversion channel is communicated with at least one of the air inlet and the air outlet and a loudspeaker rear cavity; and / or, the electronic equipment comprises a circuit board support, a part of the circuit board support is overlapped on one side of the loudspeaker rear cavity, a second phase inversion channel is formed in the circuit board support, and the second phase inversion channel is communicated with the loudspeaker rear cavity and the outside.

This invention discloses a level shifting circuit, including a delay signal generation module and a first voltage domain shifting module and a second voltage domain shifting module coupled to each other. The delay signal generation module is electrically connected to an input signal and is used to output different voltage signals after performing different phase inversions and delays on the input signal. The first voltage domain shifting module obtains the output voltage signal of the delay signal generation module by electrically connecting to several ports of the delay signal generation module. The voltage domain shifting module controls the output of a first output voltage based on the output voltage signal of the delay signal generation module. This invention enables individual pull-up and pull-down of the output signal, thereby achieving extremely low transmission delay during signal level shifting, accelerating signal transitions, and maintaining consistent delays, thus protecting the use of MOSFETs.

The application relates to a PVDF / rGO / Fe(II) composite film as an electro-Fenton cathode, a preparation method, application and membrane filtration reactor. The preparation method comprises the following steps: firstly, preparing a PVDF film by adopting a phase inversion method, covering reduced graphene oxide on the surface of the PVDF film by a suction filtration method to obtain a PVDF / rGO double-layer film; then, dispersing siderite powder in an organic solvent, adding a pore former and PVDF, and stirring and heating to prepare a uniform casting solution; finally, coating the casting solution on the surface of the PVDF / rGO double-layer film to obtain the PVDF / rGO / Fe(II) composite film; the composite film is applied to an organic pollutant and bacteria filtration system or a membrane biological reactor as an electro-Fenton cathode, has excellent anti-pollution effect and bacteria killing capacity, can significantly inhibit the formation of biofilm on the membrane surface, and has a wide application prospect in the aspect of anti-membrane pollution.

The utility model relates to the technical field of signal processing, in particular to an audio signal amplification circuit and audio equipment. The circuit comprises a phase switching unit and a signal amplification unit, the first end of the phase switching unit is connected with an external input signal, the second end of the phase switching unit is connected with the first input end of the signal amplification unit, the third end of the phase switching unit is connected with the second input end of the signal amplification unit, and a change-over switch is arranged in the phase switching unit. When the change-over switch is in an open state, the signal amplification unit carries out voltage amplification processing on the external input signal, and when the change-over switch is in a closed state, the external input signal is subjected to phase inversion and then is subjected to voltage amplification processing. By switching the phase state of the switch, reverse or normal amplification of the signal is realized, the requirement of the audio effect is met, and the application scene of the audio equipment is expanded.

A full-inorganic perovskite light-absorbing layer, and a preparation method therefor and the use thereof. In the preparation method, a magnetron sputtering method is used to sputter a single target source CsPb1-xSnxI3, or simultaneously sputter a target source CsI, a target source PbI2 and / or a target source SnI2, which are independent of each other, to directly form perovskite and obtain a thin film, such that the thin film is annealed and subjected to phase inversion to obtain a perovskite light-absorbing layer. The preparation method can improve the high-temperature stability of the full-inorganic perovskite light-absorbing layer. Since no extra chemical reaction is required, and no solvent is required, the preparation method is environmentally friendly. In addition, the preparation method has the advantages of controllable components, simple operations, being capable of large-area production, etc., such that the problems of large-area uniformity of traditional perovskite and many rough holes of a solution method can be solved; and the preparation method has no requirements for the morphology of a substrate for bearing perovskite, and a hole-free and high-quality full-inorganic perovskite light-absorbing layer can be prepared on a light trapping structure and a flexible substrate.

This invention provides a polymer composite membrane for isolating nanoscale solid materials and its preparation process. The polymer composite membrane includes a mechanical support layer and a filter layer coated on the surface of the mechanical support layer. The filter layer and the mechanical support layer are bonded together by a phase inversion method. In this invention, a cross-linked structure is formed at the interface between the support layer and the filter layer through a photothermal curing reaction. This cross-linked structure has high mechanical strength and can prevent the filter layer from falling off. The filter layer of this invention has a dense layer structure, which can block solid particles larger than a few nanometers at the membrane surface, allowing only water molecules to pass through the membrane. The mechanical support layer has a microporous structure, which utilizes carboxylated nanofiber crystals to combine with doped amino carbon nitride through an amidation reaction, thereby improving the mechanical strength and thermal stability of the composite membrane and significantly improving the retention capacity and retention efficiency of the composite membrane.

This invention discloses a pressure- and collapse-resistant porous nano-mass transfer membrane and its preparation method, belonging to the field of membrane separation technology. The mass transfer membrane comprises a macroscopically rigid substrate layer, a thermosetting polyimide mesoporous support layer formed by crosslinking with aliphatic diamines, and a highly crosslinked polyurea ultrathin active layer formed by the in-situ reaction of diisocyanate and diamine. The preparation method mainly involves forming a polyimide porous membrane on the substrate layer through phase inversion, followed by in-situ crosslinking to construct the support layer, and finally forming the active layer on the surface of the support layer using electro-spraying technology. This composite membrane structure significantly improves overall rigidity and compressive strength, maintaining excellent permeate flux, high desalination rate, and stable pore structure under harsh conditions of ≥250 bar high pressure, high salt, and high temperature for extended periods, making it suitable for high-pressure separation processes such as seawater desalination and high-salt wastewater treatment.

The invention belongs to the technical field of proton conducting membrane preparation, and particularly relates to a preparation method of a polybenzimidazole membrane with flexibility and proton conductivity. The preparation method comprises the following steps: dissolving polybenzimidazole resin in a low-boiling-point high-polarity aprotic solvent, adding a high-boiling-point thermal expansion agent and continuously stirring in a swelling state of the polybenzimidazole resin, blade-coating the surface of a glass plate with the prepared resin solution, carrying out heat treatment at a certain temperature, and evaporating the low-boiling-point solvent to obtain a film; putting the obtained film into a leaching solution to leach the thermal expansion agent; and carrying out heat treatment on the retreated film to obtain the polybenzimidazole membrane with both flexibility and proton conductivity. In the preparation process, the cross-linking effect between molecular chains is weakened by controlling the phase inversion temperature, the boiling point of the solvent and the expansion characteristic of the thermal expansion agent, the rigid structure of the polybenzimidazole membrane is relaxed, meanwhile, more free volume is provided for proton conduction, the problems of poor proton conductivity and flexibility of the polybenzimidazole membrane are solved, the operation is simple, and the preparation method is suitable for industrial production. The method is suitable for large-scale production.

The application is a method for the influence of dislocation dipole defects in aluminum matrix on acoustic parameters, belonging to the technical field of discrete solution, and provides a new molecular dynamics simulation method for researching the changes of ultrasonic velocity, acoustic attenuation and acoustic nonlinear parameters based on two dislocation dipole structures, specifically, the types and quantities of dislocation dipoles in the aluminum matrix are controlled, the atomic scale acoustic simulation is carried out on the dislocation dipole models of different types and quantities by using the phase inversion technology, the cross correlation method is used to extract the sound velocity, the Hilbert transform method is used to extract the sound attenuation, and the FFT method is used to extract the acoustic nonlinear parameters for the four-phase signals, so as to realize the precise extraction of acoustic parameters. Based on the fitting relationship between the three acoustic parameters and the dislocation defects, the contribution of the dislocation defects to the acoustic parameters is determined, and the prediction from the acoustic parameters to the defect characteristics is realized.

The embodiment of the utility model provides a brushless direct current motor driving control circuit, comprising a microcontroller module which integrates a Hall signal input end, a PWM signal output end and a timer unit, generates commutation logic through a Hall sensor feedback signal, and adjusts the PWM duty ratio to control the rotating speed of a motor; the three-phase inversion driving module forms a half-bridge circuit through high-voltage and low-voltage driving tubes and is connected with a three-phase winding of the motor; the power supply management module provides stable power supply voltage through the DC-DC boost / buck unit and the multi-stage filter capacitor group. Through the high-integration design, the reversing precision and the low-speed stability are improved, the power supply noise is suppressed, a multi-dimensional protection mechanism is integrated, and the high-precision driving device is suitable for high-precision driving scenes such as electric vehicles and unmanned aerial vehicles.

The utility model discloses a loudspeaker box shell with a chamfered vibration cavity, which comprises a rectangular back plate, short plates are assembled at the edges of two sides of the back plate, and long plates are assembled at the edges of the top and the bottom of the back plate; loudspeaking plates are assembled on the inner walls of the two long plates, and inclined plates are connected and assembled between the loudspeaking plates and the short plates; phase inversion holes are formed in the middles of the inclined plates. Therefore, the inclined plate is assembled on the edge of the wall plate on the same side of the loudspeaker, and the position, blocked by internal devices, of the inner wall of the vibration cavity is chamfered, so that the reflection path of sound waves in the vibration cavity is more intensive and regular, and the sound quality of the loudspeaker is effectively improved under the condition that the specifications of the loudspeaker box and the internal devices are not obviously changed.

The present application relates to a kind of microchannel electrode support and its preparation method and application, the electrode support is relatively provided with dense layer and porous layer along the thickness direction, microchannel is provided between the dense layer and porous layer, the microchannel extends from the dense layer to the porous layer direction;The microchannel is variable-diameter channel, its aperture gradually decreases from the dense layer to the porous layer along the extension direction.Pore size distribution of the electrode support is 0.5~40 μm, the thickness is 600~1500 μm, porosity is 30~70%.The microchannel electrode support is mainly prepared by phase inversion process, is formed by key steps such as solvent replacement, constant temperature drying and high-temperature calcination in turn.Compared with prior art, the microchannel electrode support of the present application maintains high porosity under high temperature conditions, so that fuel gas and oxygen can be quickly absorbed and released, thereby accelerating the chemical reaction rate, improve the working efficiency of SOFC / SOEC.

The present disclosure relates to a spinning beam for producing hollow fiber membranes in a phase inversion process, and to a process using the spinning beam.

The invention belongs to the field of chemical engineering, and provides a phase inversion preparation process for ultrathin functional layers of a fluorine-containing polyimide gas separation membrane. According to the preparation process, a cooling device and a heating device are arranged in a dry method stage, the thin-layer temperature of a polymer solution is controlled to be 5-25 DEG C, diffusion of solvent molecules in a main body is inhibited, the thin-layer surface temperature of the polymer solution is controlled to be 25-65 DEG C, evaporation of surface solvent molecules is accelerated, and the surface polymer concentration rapidly reaches supersaturation; and an ultra-thin compact functional layer is rapidly formed. Through differential control of the solution thin layer main body and the surface temperature, the forming time of the compact functional layer can be shortened, the production rate of the membrane can be improved, the thickness of the compact functional layer can be reduced, and the permeation rate of the membrane can be improved. Taking fluorine-containing polyimide 6FDA-TFMB as an example, the process provided by the invention can reduce the thickness of a compact functional layer to 245 nanometers, the helium permeation rate at room temperature reaches 506 GPU, and the selectivity of helium to methane exceeds 168.7.

The invention provides a preparation method of a porous polymer coating for a metal negative electrode. The preparation method mainly comprises the following steps: blending a polymer, a solvent and a non-solvent, and stirring until the polymer is completely dissolved to obtain a coating; coating the surface of a metal negative electrode with the obtained coating; the porous polymer coating is obtained through volatilization of the non-solvent in the drying process. The porous polymer coating is prepared on the surface of the metal negative electrode through a phase inversion method, the preparation method is simple and low in cost, and the prepared porous polymer coating has good ion conduction capability and can effectively inhibit dendritic crystal growth of the metal negative electrode and generation of byproducts, so that the cycle life of the battery is effectively prolonged.

The invention discloses a ring oscillator, which comprises a control unit used for responding to an external control voltage and generating a corresponding bias current; the output end of the oscillation unit of the last stage connected in series is connected with the input end of the oscillation unit of the first stage to form an annular structure; the oscillation unit is used for working in a current limited state under the action of the bias current and performing phase inversion and delay processing on an input signal to generate an oscillation signal; by continuously adjusting the external control voltage, the bias current and the time delay of the oscillation unit are changed, and then continuous adjustment of the frequency of the output oscillation signal is achieved. Provided is a ring oscillator capable of linearly and finely tuning an oscillation frequency with low power consumption and high stability.

The invention relates to the technical field of oil-water separation materials, in particular to a heterogeneous wettability membrane with slit-shaped holes and a preparation method and application of the heterogeneous wettability membrane with the slit-shaped holes. The surface of the heterogeneous wettability film simultaneously comprises a continuous hydrophilic area formed by a film base material and an amphiphilic polymer, discrete low-surface-energy micro-islands formed by a block copolymer additive and slit-shaped pores formed in situ around the low-surface-energy micro-islands; wherein the block copolymer additive is polyethylene glycol metacrylic acid ester-block-polypentafluorostyrene. According to the invention, through a simple one-step phase inversion technology, collaborative optimization of high permeability and excellent antifouling performance of the membrane is realized; meanwhile, the application of the membrane in gravity-driven oil-water separation is provided, and the problems of low treatment efficiency of oily wastewater and serious membrane pollution are solved.

The invention discloses a pulse width adjustable alternating positive and negative polarity current square wave modulator, which is characterized in that after a 32KHz oscillation signal is shaped by a two-stage inverter, one path of the signal is input into the ends 2 of two 555 circuits through a differentiating circuit, the other path of the signal is input into the ends 4 of the two 555 circuits after being subjected to frequency halving by a JK trigger, and the two 555 circuits work as monostable triggers; the reset end of one 555 circuit is connected with the Q end of the JK trigger, and the reset end of the other 555 circuit is connected with Q, so that one 555 circuit only allows odd number pulse output, the other 555 circuit only allows even number pulse output, positive and negative polarity alternating square wave output is obtained at the secondary side of the transformer after phase inversion synthesis of the center tap pulse transformer, the pulse width can be changed by adjusting the coaxial potentiometer W1, and the pulse width can be changed by adjusting the coaxial potentiometer W1. The current pulse amplitude can be changed by adjusting the potentiometer W2.

The invention discloses a PVA-GO-coated UiO-66-coated PMIA photo-thermal composite membrane as well as a preparation method and application thereof. The photo-thermal composite membrane is a composite membrane with a three-stage structure of a support layer, a middle layer and a separation layer. UiO-66 nanoparticles are firmly anchored on the surface of a PMIA primary membrane successfully through a spraying-phase inversion process, an intermediate layer with a uniform structure is formed, and PMIA molecular chains permeate and diffuse into mesopores on the surfaces of the UiO-66 nanoparticles to a certain extent at the initial stage of phase inversion; and finally, further spraying a PVA-GO mixed solution with a photo-thermal response function on the intermediate layer, wherein the separation layer and the intermediate layer form an interpenetrating structure. The composite membrane prepared by the innovative process not only has excellent desalting performance, but also has excellent long-term stability and photo-thermal response reversibility, realizes effective integration of the selective transmission capability of an MOF material and the photo-thermal conversion characteristic of GO, and provides a new way for developing a low-carbon and efficient water treatment technology.