108results about How to "Save money on purchases" patented technology

The invention discloses a partial discharge routing inspection device applicable to multiple detection methods. The device comprises an ultrahigh-frequency sensor with the frequency band ranging from 500 MHz to 1.5 GHz, a high-frequency current sensor with the frequency band ranging from 0.5 MHz to 50 MHz, a ground electric wave sensor, a contact ultrasonic sensor and a non-contact ultrasonic sensor. The ground electric wave sensor and the non-contact ultrasonic sensor are arranged inside a host, the ultrahigh-frequency sensor and the high-frequency current sensor transmit data to the host in a wireless mode through a wireless collection module, the host is mainly composed of a signal collection unit, a data processing module and a human-computer interaction interface, and the host analyzes collected partial discharge data, judges whether partial discharge exists or not, analyzes the partial discharge type and evaluates working conditions of high voltage electric power equipment. The partial discharge routing inspection device is compact in structure and convenient to carry, has multiple detection functions and effectively detects partial discharge of the high voltage electric power equipment on site with the multiple detection methods.

The invention discloses a method and an electronic terminal for reminding an expired product by image identification. The method comprises the steps of obtaining a picture containing commodity information by shooting, and scanning whether a two-dimensional code or bar code is contained in the picture, if the two-dimensional code is contained in the picture, directly scanning the two-dimensional code or the bar code and extracting the expired date and name of commodity contained in the two-dimensional code or bar code; afterwards calculating a corresponding reminding day according to the fact that whether a user sets a reminding time in advance, associating the corresponding day with a calendar and automatically adding commodity name and setting schedule reminding in a schedule, thus realizing the aim that the user is automatically reminded before the commodity is expired, avoiding unnecessary waste and saving unnecessary cost for the user.

The invention discloses a high-temperature aerobic fermentation process for sludge with low energy consumption and no pollution, and relates to the technology for aerobic fermentation treatment on dewatered sludge. The process is used for decontamination, stabilization and reduction treatment of town sewage sludge, sewage sludge, organic industrial wastewater sludge and organic sludge. In the process, the dewatered sludge and auxiliary materials are mixed, the mixture is crushed into composting particles with the diameter less than or equal to 20mm, the composting particles are evenly distributed into a pile with the height of 2m by a spreader, and the pile is covered by fermented decaying products to effectively reduce the odor emitted by the composting. A fermentation bin with two combined or separated bins is provided with a ventilation and oxygen supply system which is detachable, is easy to clear, prevents blockage and has even gas distribution, and a pile turning device inside; and the oxygen concentration, fermentation temperature, water ratio of the pile in the fermentation bin are controlled, so that sludge fermented products meet national standard. The process facilitates air supply and aerobic fermentation of the pile due to small diameter of the composting particles and the loose pile, has thorough fermentation of the particles of the sludge mixture, improves the quality of the sludge fermented products, makes the sludge fermented products meet the decontamination, stabilization and reduction index requirements specified by the national standard, and greatly saves electric energy consumption and reduces operating cost.

The invention discloses a low-carbon, environment-friendly and efficient organic vegetable culture medium (organic nutrition packet) and a preparation method thereof. The culture medium comprises components in percentage by volume as follows: 15% to 20% of processing organic waste, 20% to 30% of inorganic mineral powder, 20% to 30% of an edible fungus waste residue, 25% to 35% of fresh dung or 80% to 90% of earthworm culture waste formed by the four materials, 5% to 10% of a poultry product organic fertilizer and 5% to 15% of processing high-nutrient organic waste. The preparation method comprises performing biological compost, cultivating a grass rotting edible fungus, cultivating an earthworm and adding a high-nutrient organic matter and the poultry product organic fertilizer in earthworm cast through fermentation treatment to form the low-carbon, environment-friendly and efficient organic vegetable culture medium. According to the low-carbon, environment-friendly and efficient organic vegetable culture medium and the preparation method thereof, a fermentation organism and the earthworm serve as main organisms to prepare the organic culture medium; and the low-carbon, environment-friendly and efficient organic vegetable culture medium and the preparation method thereof have the advantages that water and a fertilizer are retained, the nutrition is comprehensive, and nutrition needed by vegetable growth can be stably and abundantly provided, besides, the manufacture process is low-carbon, environment-friendly, efficient, low in cost and the like.

The invention provides a jaw bone density measuring device and a jaw bone density measuring method for an oral computed tomography (CT) system, and relates to the technical field of medical instruments. The device comprises the oral CT system, a head fixing mechanism, a calibrating phantom and a displaying and measuring device, wherein the head fixing mechanism comprises a rest body and a supporting rod; the calibrating phantom comprises at least three calibrating modules; the calibrating modules are cylindrical plastic containers; water solutions of bone-tissue-equivalent substances are loaded in the containers, and the concentrations of the bone-tissue-equivalent substances in the water solutions in the calibrating modules are different; and the displaying and measuring device is connected with the oral CT system. The device measures the jaw bone density by utilizing a quantitative CT principle and can be used as a head fixing mechanism for a patient being examined during CT scanning to support and fix the head of the patient during the scanning, thereby realizing together imaging of the calibrating phantom and the patient and quantitative measurement of the bone density. By using the method and the device, success rates of surgeries such as dental implantation can be effectively increased and more information is provided for oral CT imaging.

A fuses the carbonate fuel cell electrolyte membrane integrated preparation method, belongs to the field of fuel cell technology, that is as follows: use sub-micro-grade alpha-LiAlO2 powder or gamma -LiAlO2 powder as raw material, take water as solvent, after the ball grinding dispersion, add electrolyte salt, continue ball grinding mix, again add Al2O3 fiber, ball grinding mix to form a pulp containing substrate diaphragm material and the electrolyte saltm, directly spread this pulp on the double pole plate fitted with electrode, dry to obtain a fused carbonate fuel cell electrolyte membrane. As the pulp contains no dispersant, binder and plasticizer, the height of cell pile assembled under room temperature and the height of cell pile at working temperature will not change. In the course of preparation and primary operation, it dose not discharge organic solvent and waste gases.

The invention relates to a multifunctional crane excavator which has both the hoisting function and the excavating function. By using a chassis of a crawler excavator as an excavator body, the multifunctional crane excavator is provided with a main arm, an auxiliary arm, a balance arm, a supporting seat, a derricking hydraulic cylinder, a main hydraulic winch, an auxiliary hydraulic winch and a balance weight. A gravitational moment which is generated when the multifunctional crane excavator carries out lifting and excavating operations is balanced by a gravitational moment of the balance arm at the other end of the supporting seat; the gravitational moment which is generated during lifting and excavation does not act on the body of the multifunctional crane excavator fully, the roll-over action on the multifunctional crane excavator is very small, therefore, the safety under the condition of the same lifting and excavating capability is improved. Accordingly, the invention is quite suitable for application in special lifting sites and special excavating operations.

This invention relates to one remote electron device control method through mobile phone, wherein the phone comprises one infrared signal receive device and comprises the following steps: a, inputting several special electron remote control order set to mobile phone; b, setting mobile phone to send relative keys for different electron device control order; c, mobile telephone selecting electron control bench; d, sending relative remote operation order, wherein, the phone has study function through electron device basic function for relative key to generate infrared remote signals.

Provided is a photoresist liquid feeding device capable of reducing the cost of the feeding of photoresist liquid and avoiding the using of the expensive minitype special purpose container which is directly connected, in statu quo, to the current LCD panel production line, and thus reducing the cost of the feeding of photoresist liquid in the mass. In the photoresist liquid feeding device, at least one of the concentration and the viscosity of the liquid inside of the blending tank is determined, diluting control is executed by adjusting the injection rate of the raw material liquid and the solvent based on the determined results, at the same time, the product obtained by diluting control is stored in the buffer tank for a certain time with photoresist liquid so that the product is stable.

The invention relates to an air conditioner, in particular to a refrigerant distributor that changes the capacity and quantity of indoor units driven by an outdoor unit, which comprises a casing forming the appearance; an installation stand at four corners behind the casing; a control box in front of the casing; a control board in the control box; thick and thin conduit joints installed at the upper side of the casing and for connecting the refrigerant flow-in and flow-out conduit of the outdoor unit; thick and thin conduit joints installed on the step surface at lower side of the casing and for connecting the refrigerant flow-in and flow-out conduits of a plurality of indoor units; a thick and a thin distribution pipe that are arranged in the casing, for which, one main pipe is divided into a plurality of branch pipes, and the two main pipes are connected with the thick and thin conduit joints installed at the upper side of the casing, the branch pipes are connected with the thick and thin conduit joints installed on the step surface at lower side of the casing, and an expansion valve is installed in the thin distribution pipe. The invention is characterized in that, the thick and thin conduit joints installed on the step surface at lower side of the casing are additionally designed with Y-like refrigerant T joints for connecting them in parallel.

The invention provides a mobile network digital identity recognition system utilizing an NFC (near field communication) technology. A software part comprises a digital identity recognition system, digital identity tags, a commodity information database and a security recognition mechanism module. A hardware part comprises an RFID (radio frequency identification) chip, an NFC reading device and a system server, wherein the RFID chip is used for recording a digital identity marker of a certain product, an identity code is stored in an encrypted storage mode of a symmetrical algorithm, a user defined encrypted area is provided, radio frequency signals are transmitted to a front-end NFC device through a built-in antenna so as to realize identity marker verification. According to the invention, the digital identity recognition system applied to intelligent mobile phones is expanded, designed and developed on the basis of a digital identity recognition cloud platform through combining the NFC and RFID technologies. The system provided by the invention is improved and upgraded to a large extent in reading mode, recognition mechanism and standby recognition mechanism, thereby being capable of effectively improving the safety and the information comprehensiveness of RFID recognition.

The invention relates to an analysis method of the content of alloy elements, in particular to an element content fluorescence analysis method of iron-base alloy. According to the technical scheme, the method comprises the following steps: (1) measuring an iron-base alloy standard sample, and drawing a comprehensive standard curve; (2) determining an optimum measurement parameter of a fluorescence spectrometer; (3) analyzing the comprehensive standard curve, and determining a linear relation between the element characteristic X-ray intensity and the element content; (4) setting the content of each element in an iron-base alloy virtual synthesized standard sample; (5) drawing a single element virtual working curve; and (6) measuring the content of each element in the iron-base alloy to be detected by utilizing the single element virtual working curve. According to the element content fluorescence analysis method of the iron-base alloy, the intensity of the characteristic X rays of the element to be detected in the iron-base alloy sample is measured to obtain the content of the element in the iron-base alloy to be detected.

The present invention relates to a method for preparing a polyimide using water as a dispersion medium for reaction and, more particularly, to a method for preparing a polyimide by dispersing a dianhydride compound and a diamine compound in water and reacting the compounds in a pressurized state within a sealed pressure vessel under temperature conditions of 5 degrees or above. The present invention also provides a method for recovering water by discharging vapor generated during the preparation of the polyamide and cooling and condensing the vapor. By using water as a dispersion medium, the method according the present invention does not generate organic-based waste fluid and is thus environmentally-friendly, reduces production costs, minimizes residual solvents after drying and thus does not have a problem that physical properties are degraded due to the residual solvents, and is advantageous in that the reaction temperature is lower, reaction steps are reduced, and the reaction time is shortened compared to conventional methods. Since water can be recovered after the reaction is completed, the method also allows recycling of water and is thus economical and very environmentally-friendly. In addition, the polyimide prepared by the method according to the present invention has the advantage of increasing thermal stability and molecular weight compared to polyimides prepared by conventional synthesis methods.

The invention discloses a WIFI (wireless fidelity) application system based on satellite communication. The system mainly comprises a gateway station, a communication satellite transponder, a satellite terminal and a WIFI base station, wherein the gateway station is used for realizing functions of receiving and transmitting data of a satellite feed link, managing network resources, managing an operating system and the like; the communication satellite transponder is used for realizing a function of transponding data of a satellite user link and the data of the satellite feed link; the satellite terminal is used for realizing a function of receiving and transmitting the data of the satellite user link; the WIFI base station is used for realizing a wireless receiving and transmitting function for data of a user link; the satellite feed link is a communication link between a satellite and the gateway station; the satellite user link is a communication link between the satellite and the satellite terminal; the user link is a communication link between the WIFI base station.

The invention discloses a strain of Kluyveromyces marxianus used for milk beer production. The strain is Kluyveromyces marxianus A3 deposited at the common microbial center of China Microbial CultureCollection Administration on April 27, 2010, and the accession number of the Kluyveromyces marxianus A3 is CGMCC No. 3781. Further, the invention providesaspecial high-density liquid medium and application thereof and a liquid fermentation agent prepared therefrom. The beneficial effects of the invention are as follows: after the strain is preserved at 0-4 DEG C for 4 days, the liquid culture cancontain more than 1.0*10 <11> viable strains per mL; the source of raw materials is sufficient, the price is cheap, and the burdening is convenient; the adoption of a preparation method of a high-density liquid fermentation agent not only reduces the volume of culture, equipment investment, and production time, but also saves the purchase cost ofstrains, andspecifically, the purchase cost of strains is saved by 260,000 yuan in 2014, 570,000 yuan in 2014 and 756,000 yuan during January to September of 2016.

The invention discloses a support capable of supporting a wall formwork on a single side. The support comprises a vertical main back ridge, a ground beam, an inclined strut and a foundation bolt, thevertical main back ridge, the ground beam and the inclined strut are connected in sequence to form a right-triangle support body, the ground beam serves as a right-angle side and is used for making contact with the ground, the vertical main back ridge serves as the other right-angle side and is used for making contact with the wall shaping formwork, the foundation bolt penetrate through the right-angle position of the triangular support body and then is used for being embedded in the ground below the wall shaping formwork, the inclined strut adopts a telescopic assembly, the fixed end of the telescopic assembly is hinged to the ground beam, and the telescopic end of the telescopic assembly is hinged to the vertical main back ridge. According to the support, under the condition that the operation space is limited, when a wall is supported by the single-side support, the wall formwork can be supported without independently arranging a split screw and an embedded cone; and after wall concrete pouring is completed, cone hole plugging is not needed any more, and therefore the appearance quality of the concrete wall is greatly improved.

The invention provides a corpus processing method and device, electronic equipment and a computer readable storage medium, and relates to the field of data processing. The method comprises the steps of obtaining a multimedia file meeting a preset condition, obtaining audio data of the multimedia file, then obtaining a subtitle file of the multimedia file, and processing the subtitle file based on a preset first rule to obtain a processed subtitle file, wherein the processed subtitle file comprises at least one subtitle; cutting audio data based on at least one subtitle to obtain at least one audio data segment, and taking the at least one subtitle and the corresponding audio data segment as a first audio subtitle pair to obtain at least one first audio subtitle pair. According to the method and the device, the automatic tagged corpus is obtained, manual participation is not needed, a large amount of labor cost and time cost are saved, the corpus tagging efficiency is greatly improved, the buying expenditure of the corpus is reduced, and a large amount of financial cost is saved.

The invention relates to a method of figure production marketing and sharing based on the point to point document exchanging system, it includes the following steps: 1) issue the figure product: forming single resource identifier address, many figure products and their resource identifier address composes product listing; 2) searches and verifies the figure product: 3) downloads the figure product: Search for other customer who have the figure product document; download the needed document part from the computer of these customers respectively, the customer who has provided a document in this download gains corresponding reward according to the size of the provide document part. The beneficial effects of this invention are: the provider of the figure product can sell their product with very low cost by internet, the consumer can gain the wish figure product in fast speed, and gain reward by helping the figure product provider to share that product, to reduce the purchase cost of themselves in effect.

The invention discloses an intelligent refrigerator internet of things commercial management system, a control method and a device thereof and a refrigerator. The system comprises the refrigerator equipped with a control display screen, a cloud side and a supplier. The refrigerator establishes communication with the cloud side through a wireless network. The refrigerator reports state information to the cloud side. An operation strategy center is connected between the supplier and the refrigerator and used for providing supply information of the supplier to the cloud side and sorting and analyzing the supply information and the state information reported by the refrigerator and then performing product information pushing for the refrigerator by using the cloud side. The control method comprises the step of user information inputting and other steps. The device comprises a user information inputting device and other devices. The refrigerator is the refrigerator equipped with the device. According to the intelligent refrigerator internet of things commercial management system, the control method and the device thereof and the refrigerator, the mode that the refrigerator enterprise profit is provided by the user can be converted into the mode that the enterprise profit is provided by the third party, and the demand information is provided to the suppliers of all stages so that the industrial structure can be optimized, the resources can be saved, food material selecting and purchasing can be facilitated for the user, and healthy diet, saving purchasing cost and other strategies favorable for people can be supported.

The invention discloses a low-cost electromagnetic fault injection experiment platform and experiment method in order to perform electromagnetic fault injection experiment, belonging to the integratedcircuit safety and electromagnetic fault injection fields. The low-cost electromagnetic fault injection experiment platform comprises a self-made electromagnetic pulse generator, a fixed support, anelectromagnetic probe, an XYZ moving platform, a device to be attacked and a signal collection device. A relative position between the electromagnetic probe and the device to be attacked can be regulated through the XYZ moving platform. The self-made electromagnetic pulse generator is utilized to generate electromagnetic pulse of a specific parameter to perform electromagnetic fault injection experiment on a specific position of the device to be attacked, and an experiment phenomenon is observed and recorded through the signal collection device, which prepares for following experiment result analysis. The low-cost electromagnetic fault injection experiment platform is simple in design, low in manufacture cost, easy to operate and good in stability, and lays a foundation to the study of anelectromagnetic fault injection mechanism and a design method of an integrated circuit resisting an electromagnetic fault injection attack.

Disclosed is an IGBT non-contact lifting electromagnet control system for a non-rectifying transformer. The IGBT non-contact lifting electromagnet control system comprises a main loop, wherein the main loop comprises a diode module, an insulated gate bipolar type transistor module 1, an insulated gate bipolar type transistor module 2, a capacitor C1, an electromagnet and a current divider r; the diode module comprises a diode D1 and a diode D2 which are connected in parallel; the insulated gate bipolar type transistor module 1 comprises an IGBT 11 and an IGBT 12 which are connected in series; the IGBT 11 is in anti-parallel connection with a diode D11 while the IGBT 12 is in anti-parallel connection with a diode D12; the insulated gate bipolar type transistor module 2 comprises an IGBT 21 and an IGBT 22 which are connected in series; the IGBT 21 is in anti-parallel connection with a diode D21 while the IGBT 22 is in anti-parallel connection with a diode D22; and one end of the insulated gate bipolar type transistor module 1 is connected with the capacitor C1 in parallel. By adoption of the IGBT non-contact lifting electromagnet control system, when the inductive current of the electromagnet is switched off, an electromagnetic overvoltage phenomenon generated at the two ends of the electromagnet can be eliminated without requiring a current-following element.

The invention relates to an analysis method, specifically to a quantitative fluorescence analysis method for a cobalt-based alloy. According to a technical scheme in the invention, the quantitative fluorescence analysis method comprises the following steps: (1) measuring a standard cobalt-based alloy sample and drafting a comprehensive standard curve; (2) determining optimal measurement parameters of a fluorescence spectrometer and comprehensive measurement parameters of the cobalt-based alloy; (3) analyzing the comprehensive standard curve and determining the linear relation between characteristic X-ray intensity of elements and the contents of the elements; (4) setting the contents of all the elements in a virtual synthesized standard sample of the cobalt-based alloy; (5) drafting virtual work curves of every single element; and (6) measuring the contents of all the elements in a to-be-detected cobalt-based alloy by using the virtual work curves of every single element. The quantitative fluorescence analysis method for the cobalt-based alloy in the invention overcomes the problems of dependence of fluorescent spectrometry on standard substances of cobalt-based alloys of a same grade and quantification of chemical components of a cobalt-based alloy of a new grade and realizes discrimination of the grade of cobalt-based alloys of unknown grades.

The invention is concerned with integrative health protection water machine with refine magnetic and mineralizing functions. It is made of plastic and a few metal materials and the cleaning equipment and convenient drinking equipment is closed together to dispose the water with magnetic and mineralizing processes. It keeps the water with enough magnetism intension and effective minerals, such as calcium, iron, zinc and selenium, and it affords safe water and health protection to people. The top part of this machine is infall, storing house and sopping filler inside of the store and magnet in type of bar hole, the middle part is cleaner equipment, storehouse for clean water and mineral layer on the bottom of storehouse. The down part is water heater, two tubes of cool and hot water, discharging pipes, and half arc shape of permanent magnet. There is no limit to add tap water or nature water from the infall or add water of bucket.

The invention relates to a method for detecting rolling forces during a medium plate rolling process. The method comprises confirming work roll contact signals through manual operation, and confirming that a roll gap calibration is adjusted to be zero; sampling the instantaneous voltage and current of a motor, calculating the power made by the motor in a rolling process through a formula W=U*I*t, and expressing a output torque of the motor with T / , wherein T / =W; filtering the output torque T of the motor, and determining effective work T on the basis that rolling torque effective rolling work T=motor output torque T / -motor rated torque*3%; and calculating the value of a rolling force F through a formula T=2F*B*Arc, wherein the b is a horizontal force arm rate, and the Arc is a contact arc length. According to the method, the value of the rolling force is mapped through observation of the instantaneous voltage and current and calculation of the rolling force arm, the purpose of indirect measurement of the rolling force is achieved, the purchasing expense of a large number of check elements is saved, the measurement range is improved, and the production continuity is guaranteed.

The invention aims at providing a method for analyzing chemical components in medium-low alloy steel by adopting a virtual curve method. The method comprises the following steps: exciting characteristic spectrum lines of elements to be detected in an X ray, and quantifying the chemical components in the medium-low alloy steel by utilizing the intensity of the characteristic spectrum lines and combining with a sensitivity curve of a virtual single standard. The method provided by the invention has the advantages that the elements in the medium-low alloy steel are analyzed by utilizing the virtual standard method on a fluorescence spectrometer for the first time, single-standard sensitivity coefficient can be randomly drawn by utilizing the intensity of the characteristic spectrum lines of the elements with the contents being 1% in the medium-low alloy steel, and under the premise without standard samples with same marks, the chemical components in the medium-low alloy steel also can be quantified.

The invention discloses a color partition type tooth preparation training model. The color partition type tooth preparation training model is composed of tooth preparation training models corresponding to tooth positions, wherein each tooth preparation training model corresponding to each tooth position is composed of a fixed segment and a preparation training segment; the preparation training segment is of an integrated structure formed by combining target areas with the same material and different colors, an error allowable area and a prohibition area; the target area is an area which needsto be abraded during training; the error allowable area is an area which can be abraded during training; the prohibition area is an area which cannot be abraded during training; the error allowable area is positioned between the target area and the prohibition area and surrounds the target area. The tooth preparation training model is used for training, a trainee has a clear grinding target, training results can be fed back objectively in real time, errors caused by subjective factors of an instructor or an evaluator are avoided, and training standards are unified.

The invention discloses a novel special batching machine for food heating bags. The novel special batching machine for food heating bags comprises a first support frame, a second support frame is arranged at the upper end of the first support frame, a storage barrel is arranged in the second support frame, and a linear feeding mechanism is connected to the lower end of the storage barrel. The novel special batching machine for food heating bags has the advantages that an original feeding and weighing mode is changed to prevent flying dust during feeding and weighing, so that materials are weighed and metered more accurately and can be stirred quickly, and a stirring mechanism can be separated from a stirring box; a cover of the rapid stirring mechanism can prevent the flying dust during stirring, feeding and stirring can be alternatively carried out, the materials inside the stirring box can discharge conveniently to prevent the flying dust during stirring and bagging, and accordinglyboth labor and time cost are saved effectively; a stirring and discharging alternating mechanism substitutes for a stirring device and a screw feeder in the prior art, and accordingly purchased cost of equipment can be saved.

Provided is a transverse rotating fighting robot. An existing competition robot cannot provide drastic fighting, the robot is designed mainly for realizing specific functions and obtaining scores, hasno weapon system and is lack of direct fighting and competition, and audiences cannot visually feel the performance of the robot. The transverse rotating fighting robot comprises a transverse rotating weapon module, a driving module, a skeleton type body and a control module. The transverse rotating weapon module comprises a rotating cutter and a locking nut, wherein the locking nut fixes a motorbelt wheel to an output shaft of a weapon motor, the output shaft rotates at a high speed to drive the motor belt wheel to synchronously rotate, the motor belt wheel is provided with an O-type ring groove, and a transmission O-type ring is placed in the O-type ring groove to move. The driving module comprises tires and driving motors, wherein the driving motors are connected with the tires through the output shaft, and the output shaft rotates to drive the tires to rotate so that the advancing, retreating, turning-left and turning-right of the robot can be realized. The skeleton type body comprises an upper cover, wherein the upper cover and a base are connected into a whole through tapping screws. The control module comprises a switch, a battery, a weapon electronic speed controller device, a driving electronic speed controller device, a receiver and a remote controller. The transverse rotating fighting robot is used for robot fighting.

This invention is filter device of air conditioner. It includes: filter body casing which is set at indoor machine air inlet. It has connecting hole that connects to the inside of indoor machine; high performance filter in the filter body case; filter cover which is set on the filter body casing and can protect high performance filter. It is arranged with indoor air absorbing opening that can absorb indoor air; independent filter which is set on the filter cover and can filter out foreign body in the air absorbed from indoor air absorbing opening.