63results about How to "Realize optionality" patented technology

The invention relates to an assembly digital field based on a flexible array pressure sensor and a method for training gait. Parameters of an athlete including action time sequence, action frequency, position calibration, stress center point, stress time and flight time can be acquired through acquiring information including pressure of foot soles of the athlete contacted with the flexible array pressure sensor unit in the assembly digital field. The digital field and the method have the advantages that the requirement of real time can be met in longer distance; the module of the assembly digital field can be disassembled and assembled arbitrarily, and can extract gait characteristics on multiple sports training events; and the athlete can correctly recognize the training effect of the athlete self through a sports effect evaluation system and an expert system, and adjust the training plan in real time. The digital field and the method can also be applied in the field of mode recognition.

The invention discloses a double wavelength multi-channel laser acupuncture and moxibustion instrument. The double wavelength multi-channel laser acupuncture and moxibustion instrument comprises a control system, a driving power source, a semiconductor laser module, an optical fiber coupler, optical fiber channels, an optical fiber fixing head and upper computer software. The semiconductor laser module comprises a plurality of sets of laser devices with the wavelength being 808 nm and 635 nm respectively. One laser device with the wavelength being 635 nm and one laser device with the wavelength being 808 nm form a set. Two kinds of lasers different in wavelength are coupled into one butt-joint optical fiber, output of one channel is obtained, and the optical fiber channels are used for adjusting and fixing optical fiber through adjustable metal arms so that the effective work distance and the work angle of the optical fiber can be freely controlled and adjusted. A total control chip is adopted for the control system to control the driving power source. The upper computer software is in data transmission with a control module though an RS232 serial port, and current, power and temperature are controlled and displayed. The optical fiber is fixed to an irradiated object through the optical fiber fixing head. By means of the double wavelength multi-channel laser acupuncture and moxibustion instrument, laser acupuncture and moxibustion with different parameters can be performed on various portions at the same time.

The invention discloses an intelligent air conditioner energy-saving controlling method. The method includes the steps that an air conditioner runs, when set energy-saving intervention conditions aremet, an energy-saving intervention function is started, and the following energy-saving intervention control is implemented, specifically, in a refrigeration mode, whether the current indoor ambient temperature is not greater than the target refrigeration indoor ambient temperature or not is judged in real time; in a heating mode, whether the current indoor ambient temperature is not less than thetarget heating indoor ambient temperature or not is judged in real time; and in the condition that the current indoor ambient temperature is not greater than the target refrigeration indoor ambient temperature, a known refrigeration energy-saving model is obtained, a known heating energy-saving model is obtained when the current indoor ambient temperature is not less than the target heating indoor ambient temperature, and the air conditioner is controlled to run by using set parameters in the refrigeration energy-saving model or the heating energy-saving model as running parameters. The refrigeration energy-saving model or the heating energy-saving model is obtained through a cloud server according to obtained large data and by using a statistical analysis method. By means of the intelligent air conditioner energy-saving controlling method, real time energy saving control of the intelligent air conditioner is achieved.

The invention relates to a transmission electron microscope sample loading net, which pertains to the measurement field of nano-materials. The invention includes a support part and a circuit part, the support part includes a metal ring (1), the circuit part includes two electrodes (2), an element which is ready to be measured and a phase change material amorphous thin film (5), the electrodes (2) are insulatedly bonded with the metal ring (1), the phase change material amorphous thin film (5) is evenly distributed between the two electrodes (2), the phase change material thin film (5) is amorphous, the element which is ready to be measured is positioned in the phase change material amorphous thin film (5) or is integrated on one electrode (2). The connection lines in the invention are characterized by erasable property, the higher voltage is added on the both ends of the electrodes, or the loading net is directly done with certain laser pulse irradiation, so the phase change material thin film is completely amorphous, the formed current path disappears, the optional and repeated erasable properties of the measurement circuit are realized.

The invention discloses a coating film thickening device for metallized film processing. The coating film thickening device is sequentially provided with a preheating mechanism, a first evaporation coating device and a second evaporation coating device from front to back according to the technological process. The preheating mechanism comprises a connecting rod transmission mechanism, heaters and first retractor devices. The first evaporation coating device comprises a first evaporation drum and a first evaporator boat. The evaporator boat is arranged below the first evaporation drum. A first movable plate assembly used for adjusting the opening size of the first evaporator boat is arranged at the top opening area of the first evaporator boat. The second evaporation coating device comprises a shielding device, a second evaporator boat and a second evaporation drum. The second evaporator boat is arranged below the second evaporation drum. The shielding device is used for limiting the width and region of metal evaporated from the opening position of the second evaporator boat to fall off onto an insulation film. The coating film thickening device has the advantages that preheating is even, the preheating amount is adjustable, the device is suitable for processing films of various models, and the coating film thickness can be adjusted.

The invention discloses an automatic machine learning method based on reinforcement learning, which comprises the following steps of: shielding heterogeneity among different machine learning algorithmlibraries by using a unified API (Application Program Interface) interface, and calling algorithms in the different machine learning algorithm libraries in the Python language by taking Python as a programming language; modeling an automatic machine learning problem as a reinforcement learning problem, carrying out state space division on a candidate machine learning algorithm, determining a transfer relation between states, and using the Q-Learning algorithm to complete the process of searching the machine learning assembly line; carrying out metafeature extraction on the data set, searchingthe most similar data set, and accelerating the convergence process of automatic machine learning through operation information on the most similar data set. The problems that an existing automatic machine learning system is low in convergence speed and poor in expandability, and the final prediction performance cannot reach the expectation are solved.

The invention relates to a device for electrical measurement of miniature elements in scanning electron microscope, in particular to an in-situ electrical measurement device of scanning an electron microscope, which belongs to the field of in-situ performance measurement of nanomaterials. The device comprises a support portion and a circuit portion, wherein the support portion is an insulation substrate (1); the circuit portion includes two electrodes (2) fixed on the insulation substrate (1), an element (4) to be measured and a phase-change material amorphous thin film (5); the phase-change material amorphous thin film (5) is uniformly distributed between the two metal electrodes; and the element to be measured is positioned in the phase-change material amorphous thin film or concentrated on the metal electrodes. The connection line of the invention has erasable characteristics, and the phase-change material can be non-crystallized completely by applying higher voltage on both ends of the electrodes or directly irradiating a grid with a certain laser pulse to eliminate current path that has been formed, thus achieving selectivity and erasing ability of measurement circuits.

The invention provides a Raman micromark rapid detection instrument capable of achieving modularized selective assembly. The Raman micromark rapid detection instrument comprises eight parts, namely a wireless transmission unit, a Raman display module, a database module, a laser module, a lens module, a Raman lens, a detection probe and a module selecting switch. A micromark sample to be detected is detected by the detection probe; a laser emits laser to obtain a Raman signal; if the selecting switch selects the database module, rapid data comparison is performed between the obtained Raman signal and a Raman spectrum in the database to form quantitative and qualitative analysis on a quantitative index and an analysis result is transmitted to the Raman spectrum display module in the detection instrument body; if the selecting switch selects the wireless transmission unit, transmission and printing of wireless data can be performed; the detection probe is made of a solid optical fiber material.

The invention relates to a preparation method for a micropattern film with a selective stimulation recovery function, aiming at solving the technical problem that the application of the micropattern is quite limited as the recovery position of a conventional shape memory micropattern is not selective. The preparation method comprises a first step of isolating a silicon wafer; a second step of dripping a shape memory polymer and curing; and a third step of stripping and flattening. The preparation method has the advantages that the shape memory micropattern film with the selective stimulation recovery function prepared with the sticky and thick shape memory polymer as a matrix can be stimulated by multiple manners, and has the characteristic that only the micropattern of a corresponding position can recover under different stimulation conditions. Through adoption of the preparation method, the controllability and selectivity of recovery positions are realized, and the preparation method is simple, has strong operability, and is conducive to application of the shape memory polymer material in multiple fields like aerospace, optical zoom, password transmission, sensors and so on.

The invention discloses an integrated screen-printed electrode detection handle with a stirring function. The detection handle integrates a screen-printed electrode, an external platinum-pair electrode, an external Ag / AgCl reference electrode, a stirring part and a testing cavity, wherein the stirring part is arranged among the screen-printed electrode, the external platinum-pair electrode and the external Ag / AgCl reference electrode; the stirring part comprises a miniature direct-current motor, a fixed bearing, a stirring rod and a connecting silicone tube; and the testing cavity is in threaded connection with a bottom cover of the handle. The integrated screen-printed electrode detection handle is connected with a portable heavy-metal detector or an electrochemical working station and the like to form a detection system, can be used for fast detection of heavy metals in water environment, has the characteristics that the structure is compact, the layout is reasonable, the installation is convenient, the replacement of the screen-printed electrode is convenient, the liquid addition is convenient and the detection sensitivity is effectively improved and the like, meets the portable need for detection of the heavy metal in the water environment, and has large application prospect.

The invention discloses vacuum coating equipment for processing metallic films. The vacuum coating equipment comprises a vacuum chamber, a feeding mechanism, a coating mechanism and a winding mechanism, wherein the feeding mechanism, the coating mechanism and the winding mechanism are arranged inside the vacuum chamber; the feeding mechanism comprises a first lifting mechanism and a feeding device; a preheating mechanism is arranged between the feeding mechanism and the coating mechanism; a first movable plate assembly adjusting an opening of a first evaporation boat is arranged in the opening area of the top of the first evaporation boat; a second movable plate assembly adjusting an opening of a second first evaporation boat is arranged in the opening area of the top of the second evaporation boat; film limiting devices are arranged between the feeding mechanism and the coating mechanism as well as between the coating mechanism and the winding mechanism; the winding mechanism comprises a fifth lifting mechanism and a winding device; and an extension end of the fifth lifting mechanism is matched with the winding device to drive the winding device to move up and down. The vacuum coating equipment has the advantages that the automation degree is high, supplementing and collecting are convenient and timely, preheating is uniform, the preheating degree can be adjusted, the processing requirements of the films of various models can be met and the coating thickness can be adjusted.

The invention discloses secondary vacuum coating equipment for a thickening metalized thin film. The equipment comprises a vacuum chamber, and a feeding mechanism, a coating mechanism and a winding mechanism which are arranged in the vacuum chamber. A first movable plate assembly which adjusts the size of an opening of a first evaporation boat is arranged in a top opening region of the first evaporation boat; a second movable plate assembly which adjusts the size of an opening of a second evaporation boat is arranged in a top opening region of the second evaporation boat; and thin film limiting devices are arranged between the feeding mechanism and the coating mechanism and between the coating mechanism and the winding mechanism. The secondary vacuum coating equipment disclosed by the invention has the advantages of being high in degree of automation, capable of supplementing and receiving materials conveniently, immediate, capable of uniformly preheating, adjustable in preheating quantity, suitable for machining films of various multiple models and capable of adjusting coating thickness.

The invention discloses a differential delay unit circuit which has a configurable property and is applied to variable-loop voltage-controlled oscillators. Delay units can change signal propagation paths under the control of an input selecting circuit, and the mode based on multiplexing the delay units changes the stage number of the delay units in the loop, so as to form a configurable annular oscillator with the lowest expenditure, provide different types of gains to voltage-controlled oscillators and increase the range of adjustment. The configurable differential delay unit circuit disclosed by the invention comprises an input selecting circuit, an input circuit and a load circuit.

The invention discloses a drum-type washing machine. The drum-type washing machine comprises a water circulating connection hose, a water discharging connection hose, a drum, a water accommodation barrel, and a suction section connection hose, and also comprises a water discharging and circulating integrated pump which is arranged below the water accommodation barrel and is connected with the water accommodation barrel through the suction section connection hose; the water discharging and circulating integrated pump sends washing water into the water accommodation barrel through the water circulating connection hose; and the water discharging and circulating integrated pump discharges the washing water through the water discharging connection hose. The water discharging and circulating integrated pump integrates water discharging and circulating functions, has a simple structure, is convenient to process, greatly saves installation space and effectively reduces the manufacturing cost and energy consumption of a washing pump greatly.

The invention provides an alarm system and method based on parameter screening and timing inquiring. The alarm system comprises a detector, a judging unit, an alarm database and a wireless alarm module. The wireless alarm module comprises a parameter setting unit, an inquiring unit and a wireless alarm unit. Parameters and threshold ranges corresponding to the parameters in a one-to-one mode are stored in the judging unit. The detector is used for detecting a plurality of parameters in the detecting environment. The judging unit is used for judging whether the values of the achieved parameters are in the corresponding threshold ranges, generating alarm information for the parameters with the values not in the corresponding threshold ranges and storing the alarm information in the alarm database. The parameter setting unit is used for a user to set a plurality of alarm variables. The inquiring unit is used for inquiring whether alarm information corresponding to the alarm variables exists in the alarm database or not once in a while. If the alarm information corresponding to the alarm variables exists in the alarm database, the wireless alarm unit can be used for giving out alarm. The alarm system and method can guarantee the premise of alarm timeliness and can achieve unified monitoring on in-site environments and optionality of the alarm parameters.

The invention discloses a coating mechanism for metalized film processing. According to the coating mechanism for metalized film processing, a first evaporation coating device and a second evaporation coating device are sequentially arranged from front to back according to the technological process. The coating mechanism comprises the first evaporation coating device. The first evaporation coating device comprises a first evaporation coating drum and a first evaporation boat. The first evaporation boat is arranged below the first evaporation coating drum. The top opening area of the first evaporation boat is provided with a first movable plate assembly used for adjusting the size of an opening of the first evaporation boat. The second evaporation coating device comprises a second evaporation coating drum, a second evaporation boat and a shielding device. The second evaporation boat is arranged below the second evaporation coating drum. The top opening area of the second evaporation boat is provided with a second movable plate assembly used for adjusting the size of an opening of the second evaporation boat. The shielding device is used for limiting the width and the area of the fallen metal evaporated from the opening of the second evaporation boat on an insulated film. The coating mechanism for metalized film processing has the advantages of being suitable for processing of multiple types of films and achieving that the coating thickness is adjustable.

The invention relates to a preparation method for a micropattern film with a selective stimulation recovery function, aiming at solving the technical problem that the application of the micropattern is quite limited as the recovery position of a conventional shape memory micropattern is not selective. The preparation method comprises a first step of isolating a silicon wafer; a second step of dripping a shape memory polymer and curing; and a third step of stripping and flattening. The preparation method has the advantages that the shape memory micropattern film with the selective stimulation recovery function prepared with the sticky and thick shape memory polymer as a matrix can be stimulated by multiple manners, and has the characteristic that only the micropattern of a corresponding position can recover under different stimulation conditions. Through adoption of the preparation method, the controllability and selectivity of recovery positions are realized, and the preparation method is simple, has strong operability, and is conducive to application of the shape memory polymer material in multiple fields like aerospace, optical zoom, password transmission, sensors and so on.

The invention provides a radio spectrum allocation method based on a block chain, which comprises the following steps that: an auxiliary card terminal node acquires a block chain identifier of a peripheral available base station node and sends a first broadcast message; the main card terminal node queries frequency spectrum use information of each available base station node from the blockchain account book according to the block chain identifier of the available base station node, determines a target base station node and a frequency spectrum priority sequence of each frequency band of the target base station node from the available base station nodes according to a preset rule, and sends a second broadcast message; the target base station node receives the second broadcast message, stores the corresponding relation between the frequency spectrum priority sequence of each frequency band in the second broadcast message and the identity identification information of the auxiliary card terminal node,and allocats the frequency spectrum communicating with the auxiliary card terminal node according to the frequency spectrum priority sequence of each frequency band corresponding to the identity identification information of the auxiliary card terminal node , when an access request sent by the auxiliary card terminal node is received.

The invention discloses a method for improving air conditioner operation energy conservation, and relates to the technical field of air conditioner energy conservation. After an air conditioner is started, an operation mode of the air conditioner is detected, and whether the air conditioner is in an energy-saving mode or not is detected; when the air conditioner enters the energy-saving mode, whether the running state of the air conditioner in the energy-saving mode meets preset conditions or not is detected; and the operation mode of the air conditioner is obtained firstly, and a step for determining the energy-saving temperature of the air conditioner according to received operation state data of the air conditioner comprises the steps that when the outdoor environment temperature T outer ring is higher than a third preset environment temperature T outer ring 3 and lower than a fourth preset environment temperature T outer ring 4, an optimal heating temperature T optimum is obtainedthrough calculation according to a formula. The method for improving air conditioner operation energy conservation is convenient to use and diverse in function and has a good development prospect.

The invention discloses a portable demountable vehicle-mounted snack box which comprises a base arranged at a ventilation opening of an automobile and an upper cover, wherein the upper cover is arranged on the base. According to the portable demountable vehicle-mounted snack box disclosed by the invention, since the base is arranged at the ventilation opening of the automobile, biscuits, dry fruits and other snacks required to be carried are placed in a box body, so that the biscuits, dry fruits and the like are prevented from being crushed; in addition, since the snack box is positioned at the ventilation opening of an air conditioner, so that the problem of deterioration unlikely occurs, the fruity flavor permeates the whole carriage in an air flowing process, and further the effects of an air freshener are realized; meanwhile, the snack box is simple in structure, easy to mount and convenient to carry, the problem that snacks cannot be placed in the automobile is solved well, cleanliness of the carriage is guaranteed and further the demands of automobile owners are met better.

The invention discloses a metallized film vacuum coating machine. The metallized film vacuum coating machine comprises a vacuum chamber, a feeding mechanism, a coating mechanism and a winding mechanism. The feeding mechanism, the coating mechanism and the winding mechanism are arranged in the vacuum chamber. The feeding mechanism comprises a first lifting mechanism and a feeding device. A preheating mechanism is arranged between the feeding mechanism and the coating mechanism. A first movable plate assembly adjusting the size of an opening of a first evaporator boat is arranged in the top opening area of the first evaporator boat. A second movable plate assembly adjusting the size of an opening of a second evaporator boat is arranged in the top opening area of the second evaporator boat. A film clamping device is arranged between the feeding mechanism and the coating mechanism. A film clamping device is arranged between the coating mechanism and the winding mechanism. The winding mechanism comprises a fifth lifting mechanism and a winding device. The telescopic end of the fifth lifting mechanism is matched with the winding device and used for driving the winding device to move up and down. The metallized film vacuum coating machine has the advantages that the automation degree is high, material supplementary / material receiving is convenient and in time, preheating is uniform, preheating quantity is adjustable, the metallized film vacuum coating machine is suitable for machining of various models of films, and the coating thickness is adjustable.

The invention discloses a scrap pressing mechanism for a skinning machine. The skinning machine and the scrap pressing mechanism are included. The scrap pressing mechanism is internally provided with a pressing plate, a fixing plate, a linear power source and two guide rods; the pressing plate is arranged under the fixing plate; one end of the fixing plate is fixed to the pressing plate, and the other end of the fixing plate is arranged on a push plate of a single skinning machine body of the skinning machine; the linear power source is arranged over the fixing plate; and the two guide rods are arranged on the two sides of the linear power source and provided with guide sleeves. According to the scrap pressing mechanism for the skinning machine, the scrap pressing mechanism is arranged on the skinning machine, so that the linear power source in the scrap pressing mechanism presses the pressing plate downwards when a skinning knife conducts skinning on an aluminum bar, and aluminum scraps produced in the process that the skinning knife conducts skinning machining on the aluminum bar are pressed downwards by the pressing plate, so that the aluminum scraps fall off from the skinning knife; and accordingly, the problem that the aluminum scraps adhere to the skinning knife is well solved, and the skinning knife does not need to be subjected to aluminum scrap cleaning.

The invention discloses a metallized film vacuum coating machine. The metallized film vacuum coating machine comprises a vacuum chamber, a feeding mechanism, a coating mechanism and a winding mechanism. The feeding mechanism, the coating mechanism and the winding mechanism are arranged in the vacuum chamber. The feeding mechanism comprises a first lifting mechanism and a feeding device. A preheating mechanism is arranged between the feeding mechanism and the coating mechanism. A first movable plate assembly adjusting the size of an opening of a first evaporator boat is arranged in the top opening area of the first evaporator boat. A second movable plate assembly adjusting the size of an opening of a second evaporator boat is arranged in the top opening area of the second evaporator boat. A film clamping device is arranged between the feeding mechanism and the coating mechanism. A film clamping device is arranged between the coating mechanism and the winding mechanism. The winding mechanism comprises a fifth lifting mechanism and a winding device. The telescopic end of the fifth lifting mechanism is matched with the winding device and used for driving the winding device to move up and down. The metallized film vacuum coating machine has the advantages that the automation degree is high, material supplementary / material receiving is convenient and in time, preheating is uniform, preheating quantity is adjustable, the metallized film vacuum coating machine is suitable for machining of various models of films, and the coating thickness is adjustable.

The invention discloses a novel photoacoustic spectrum gas sensor, which comprises a main control board, wherein a plurality of connecting supports are symmetrically installed on the main control board, a light source driving board is installed at the upper ends of the connecting supports together, an electrically-modulatable light source is installed in the middle of the lower surface of the light source driving board, the electrically-modulatable light source is located on the central axis of the connecting supports, and the main control board and the light source driving board are connected through flat cables fixed to the connecting supports. According to the novel photoacoustic spectrum gas sensor, the size of the device is reduced by adopting the electrically-modulatable light source, a gas chamber cover in which the high-concentration gas to be detected is sealed replaces an optical filter, the cost is saved, the detection accuracy is increased, the diversity and selectivity of the device are realized through the matching of the gas chamber cover, the photoelectric detector and the sound pickup, the use cost is reduced, and the large-area popularization is facilitated.

The invention discloses a composition, its functional film and a preparation method of the film. The composition includes 50-100 parts of base resin, 0-15 parts of compatibilizer, 1-20 parts of medical stone, 0-20 parts of filler, 0-10 parts of functional microcapsules, 0.01-5 parts of ultraviolet light absorber, Antioxidant 0.2-3 parts. The above ingredients are extruded and granulated by an extruder, and the obtained pellets are made into a single-layer functional film by casting, film blowing, and extrusion, and the obtained different pellets are made by co-extrusion. Layer functional film; stretching the obtained film in one direction or in multiple directions can obtain a functional film with better moisture permeability and air permeability, better anti-fog performance, better dissolution of beneficial elements, antibacterial and insect repellent effects.

The invention relates to an auxiliary receiving device for an electrostatic spinning machine. The auxiliary receiving device comprises insulator slide rails, a conductor base plate, polar plates, a revolving platform and a sample carrying platform, wherein the insulator slide rails are fixedly arranged on an insulator stage, the conductor base plate capable of moving along the slide rails longitudinally is arranged on the insulator slide rails, the polar plates with the plate surfaces perpendicular to the movement direction of the conductor base plate are inserted on the conductor base plate, the revolving platform is arranged on the insulator stage on one side corresponding to the center line of the polar plates, and the sample carrying platform with the height adjustable is arranged at the center of the revolving platform; the revolving platform is in drive connection with a motor arranged in the insulator stage; one end of the conductor base plate is connected with the negative pole of a high-voltage electrostatic generator of the electrostatic spinning machine. Through the auxiliary receiving device, effective membrane coating combination of electrostatic spinning fibers on the surfaces of non-conductor materials can be realized, the selection range of receiving materials in the electrostatic spinning technique is widened greatly, and meanwhile, the novel composite field of nanofiber membrane coated non-conductor materials is opened.

The invention discloses a purified glass bead as well as a preparation method and application thereof. The purified glass bead comprises a white glass bead body, and the outer surface of the purified glass bead is combined with a purification medium or can be combined with the purification medium so as to be used for purifying a fluorescently-labeled target object. The color of the glass beads combined with the fluorescently-labeled target object can be observed, the combination condition of the target object can be visually observed, the visualization of the purification process is realized, and the process is convenient to monitor. A large number of purification media can be further combined through a comb-shaped polymer, the comb-shaped polymer can provide a flexible main chain and can also provide a large number of branch chains, protein combination and elution are facilitated, and the number of the purification media can be greatly increased.

The invention provides a capacitor structure and a preparation method thereof and an infrared detector with an adjustable resonant band. The capacitor structure comprises a bottom electrode layer located on a silicon substrate, a first conductive structure arranged in an edge region of the bottom electrode layer, a lower electrode layer located above the bottom electrode layer, a second conductive structure in contact with the lower electrode layer, and an upper electrode layer located above the lower electrode layer, wherein the bottom electrode layer is taken as a lead-out electrode of the upper electrode layer; a space is formed between the lower electrode layer and the bottom electrode layer; the second conductive structure is taken as the lead-out electrode of the lower electrode layer; a support structure is arranged in the edge region of the upper electrode layer; a hollow cavity is formed between the upper electrode layer and the lower electrode layer; the support structure is in contact with the first conductive structure; and when voltage is applied to the upper electrode layer and the lower electrode layer, the upper electrode layer and the bottom electrode layer form a shielding structure of the lower electrode layer. The capacitor structure provided by the invention does not affect a peripheral circuit; the application range is expanded; and the selectivity of the infrared detector on different resonant bands is also achieved.