274results about How to "Cause loss" patented technology

The invention discloses a method and a system for implementing parameter measurement while drilling and real-time transmission to the ground at a plurality of points in a mineshaft along a drill column based on sound wave information transmission. An underground while-drilling parameter measurement system is used for acquiring underground information, the information is regulated and then transmitted to an underground signal transmitting system and transmitted upwards in a sound wave manner along the drill column; sound wave signal relay systems are used for receiving a signal upwards-transmitted from the underground, decoding the signal, combining the measurement information, and then transmitting the information upwards; afterwards, the signal is upwards-transmitted to the ground, received by a ground receiving system, decoded and then wirelessly transmitted to a ground information display and decision making system, wherein a plurality of relay systems are arranged along the drill column according to the well drilling construction requirements so as to realize real-time acquisition of the parameters of all well sections along a well body. The method and the system provided by the invention can be used for acquiring real-time underground parameters of all well sections so as to effectively reduce the risk of accidents such as underground jamming of a drill and hole-wall collapse, improve the well drilling efficiency and provide support for best well drilling decisions. The method and the system can be used for greatly improving the precise pressure control capability especially during a managed pressure drilling process.

The invention discloses a smart home safe guard system. The smart home safe guard system comprises an alarm subsystem and multiple monitoring subsystems. The alarm subsystem comprises a ZigBee module I and a GPRS communication module, a display and an alerter which are connected with an output end of the ZigBee module I, each monitoring subsystem is internally provided with a monitoring sensor and a ZigBee module, and each monitoring subsystem is in communication connection with the ZigBee module I of the alarm subsystem through the corresponding ZigBee module in the corresponding system. According to the safe guard system, wireless automatic networking can be achieved, debugging and maintenance are easy, convenient and rapid, the cost performance is high, installation is easy, the space is saved, attractiveness is achieved, real-time monitoring of various home environments can be achieved, the good home environment is guaranteed, the stability of the system is high, and the situation of global paralysis caused by failure of a central control system can be effectively avoided.

The invention relates to a License control method that comprises applying for License approval to the application License customer end from the operation module of the application server, approval for the operation module with the License customer based on the acquired License data from License server, executing operation after operation module acquired approval from License customer end. It improves the timely effect of the License approval with reduced system loading and License approval reliability.

The invention discloses a kind of setting method for the buttons of remote controller, which includes following steps: (a)central processing unit receives the requiring set signal sent by remote controller and enters the setting state for button; (b)said remote controller sends setting signal to central processing unit; (c)said central processing unit changes the mapping relationship between the button of remote controller and function according to the setting signal. The invention discloses a kind of setting system for the button of remote controller. By resetting the corresponding relationship between the button and function, the user can use the remote controller to control the equipment normally when some buttons on remote controller are broken or insensitive. The invention can be used by electric equipment with remote controller, such as TV, audio and video player (DVD, VCD), computer and so on.

The invention relates to an over-temperature protection circuit for a radio frequency power amplifier. The circuit comprises a temperature detection circuit, a comparator circuit, a logic control circuit and a bias circuit which are connected in turn, wherein the temperature detection circuit detects the temperature of a chip and outputs the temperature to the comparator circuit, the comparator circuit outputs a trigger signal to the logic control circuit, and the logic control circuit controls the bias circuit to adjust the current of the amplifier to adjust the working temperature of the logic control circuit so as to realize protection; reference voltage is input into one end of a comparator in the comparator circuit, and the output signal of the temperature detection circuit is input into the other end of the comparator; or the output signal of the temperature detection circuit is input into the two input ends; and the temperature detection circuit consists of one or more diodes which are connected in series. When mobile communication equipment does not work, the over-temperature protection circuit can be switched off in a bias circuit control mode, and leakage current in the over-temperature protection circuit is avoided so as not to cause unnecessary energy loss; and the circuit is flexibly applied and convenient to integrate.

The invention provides a wafer level packaging method for an image sensor. The packaging method comprises the following steps of: (a) forming a film filter on a glass substrate; (b) cutting the glass substrate so as to obtain separated filtering glass pieces, and detecting the glass substrate or the filtering glass pieces so as to judge whether defects exist in the glass substrate or the filtering glass pieces; (c) and adhering filtering glass pieces with defects smaller than the preset quantity to a light sensing surface of a wafer of the image sensor; and (d) cutting the wafer of the image sensor so as to obtain separated chips of the image sensor.

The invention relates to a method for preparing magnetic silica microspheres with surfaces modified by cations, and the number of electric charges of the modified cations varies with pH of solution. Ethyl orthosilicate is hydrolyzed to generate the magnetic silica microspheres by a sol-gel method in the presence of Fe3O4 nanoparticles. Epoxy silane reagent of 3-Glycidoxypropyltrimethoxy silane (GPTMS) is adopted to activate magnetic silica microparticles, and the cationic modifying agent with the pKa value within 4 to 8 is used as functional group, therefore, the magnetic silica microspheres with surfaces modified by cations are prepared by covalent interaction. The method comprises the preparation of the magnetic silica microspheres, the epoxidation of the magnetic silica microspheres and the cationic modification on the surfaces of the magnetic silica microspheres. The magnetic microspheres prepared by the method are used for separating nucleic acid from biological samples according to the variation of the electric charges on the surfaces.

The invention relates to a ternary-system chip negative temperature coefficient thermal resistor, which uses manganese nitrate, nickel nitrate and cobalt nitrate as raw materials and ammonium bicarbonate as precipitator, is prepared by a liquid-phase co-precipitation method, and comprises the following steps: improving the agglomeration phenomenon of the precipitated particles by controlling the molar ratio of nitrate to precipitator ammonium bicarbonate, the reaction temperature and the pH value, washing out the impurities in the product by modes of water washing and alcohol washing to obtain superfine and uniform thermal resistor powder, drying, calcining to obtain evenly dispersed mixed oxide powder of Mn, Ni and Co, briquetting and moulding the powder, isopressing, sintering under high temperature, slicing by a semiconductor to obtain a thermal resistor chip, and encapsulating with epoxy resin to obtain the ternary-system chip negative temperature coefficient thermal resistor with high performance which has the characteristics of good uniformity, high stability, capability of repeatability and interconversion, and is suitable for temperature measurement, control and line compensation in the household appliance field such as refrigerators, air conditioners and the like.

The invention discloses a method for monitoring customer behavior of in unmanned supermarket, which comprises the following steps of: obtaining an image of a customer entering an unmanned supermarketfrom an entrance of the unmanned supermarket; tracking the image of each customer entering the unmanned supermarket; tracking the motion and behavior of the customers in the unmanned supermarket; analyzing the movement and behavior of customers in the unmanned supermarket; obtaining payment vouchers of customers about to leave the unmanned supermarket and inspection results of commodity anti-theft devices; tracking the images and behaviors of the customers from the end of the purchase to the time they leave the unattended supermarket; judging whether customer behavior is abnormal; if so, sending an alarm and refusing to open the door for the customer by the unmanned supermarket; if not, allowing the customer to open the door with payment vouchers and leave the unmanned supermarket. The invention also discloses a system for monitoring customer behavior in unmanned supermarket. The invention discloses a method and system for monitoring the customer behavior in an unmanned supermarket,which prevent the customers with improper intentions from causing the loss of the unmanned supermarket.

The invention discloses a keyboard input encryption method and terminal equipment thereof. The mobile terminal comprises an encryption setting module, a resetting encryption setting module, an encryption input module and a central processing unit. The method comprises the following steps of: (a) detecting whether a user presses a functional key, and if the user presses the functional key, executing the next step, otherwise, ending the detection; (b) judging a mode of the current user input keyboard by a system, if the mode is a common mode, directly outputting a typed functional key value through a keyboard, and if the mode is an encryption input mode, executing the next step; (c) judging whether the typed functional key value is exchanged with a key value of another functional key during encryption, if so, executing the next step, otherwise, directly outputting the functional key value; and (d) outputting the exchanged key value, and returning to the step (a). Aiming at a situation that a user uses mobile phone application to input sensitive information under a complicated environment, the encryption security of an input method is realized; a phenomenon that sensitive information acquired by the user is pried is avoided; fund loss of the user is prevented; and therefore, the user can securely execute relevant operation with a mobile phone, and the security of the mobile phone is also improved.

The invention relates to a double-drive device of a vehicle compressor. The double-drive device comprises a shell body, a first driving component arranged in the shell body, a second driving component and an execution component, wherein the first driving component comprises an engine, an engine rotating shaft and a first one-way clutch; the engine rotating shaft penetrates through an input flange and is connected with the output end of the engine; the first one-way clutch is sleeved on the engine rotating shaft; an inner ring of the first one-way clutch is connected with the engine rotating shaft through a key; and the second driving component comprises a motor, a motor rotating shaft connected with the output end of the motor through a motor belt pulley, and a second one-way clutch. According to the double-drive device, the technical problems of high energy consumption in a traditional single-drive vehicle compressor and complicated double-drive structure in a traditional vehicle compressor are solved; the double-drive device provided by the invention is applied to a temperature regulating system, and according to the operation need of a refrigeration system, the switching can be realized under the operation state of a chassis engine and the motor, so that the compressor is driven to operate.

The invention discloses a method for measuring trap parameters in an XLPE cable based on a polarizing-depolarizing current test. In the method, firstly, detrapping current is extracted from the polarizing current, then, staged linear fitting is executed for the detrapping current, moreover, fitting parameters A<m>. Tau<m> and Tau<m> are used to represent trap parameters, such as trap charge density and trap depth, in the XLPE current, and consequently, trap charge density and charge accumulation conditions of the XLPE cable insulation are reflected. The method provided by the invention can guarantee accuracy and effectiveness of trap parameter measurement; moreover, in the method, staged linear fitting is executed for the detrapping current, fitting effect is excellent, various interference signals are eliminated, thus, accuracy of trap parameter measurement is improved further; moreover, the method is based on a PDC nondestructive test method, has no high requirement on test apparatuses, is simple to operate, has no damage to cable insulation, has very high practicability in the aspect of acquiring XLPE cable trap characteristics, and is suitable for being generalized and used insuch field.

The invention relates to a dry salt discharge method applicable to a saline-alkali land in an arid area. With the method provided by the invention, a mode of drip irrigation under a film is adopted; crops are planted on the saline-alkali land in the arid area; and a layer of a porous hydrophilic material is laid on the surface of the film-uncovered saline-alkali land exposed among films. The method provided by the invention does not need additional washing of salt by irrigation and can discharge the salt accumulated on land surface among the films on the basis of no loss and no damage to surface soil, wherein the key of the method is to lay a layer of the porous hydrophilic material on the ground surface among the films. According to the invention, under the driving of atmospheric evaporation force, a water flow carried with the salt migrates to the surface soil among the films from a root area, and continuously migrates upward into the porous hydrophilic material; and when water is evaporated into the atmosphere, the salt remains in the porous hydrophilic material, and the porous hydrophilic material adsorbed with the salt is finally removed, so the purpose of discharging the saltcan be reached. The method provided by the invention has the obvious advantages of conservation of water, high efficiency, convenience and rapidness, low cost, great large-scale popularization value,etc.

The invention provides a crush-resistant capacity test method for a resin film-coating proppant. The crush-resistant capacity test method comprises the steps of before or after a crush-resistant capacity test, roasting a resin film-coating proppant sample to completely burn out surface resin; and during weighing, weighing the mass of the sample having a higher mass value and left on a sieve screen instead of the mass of proppant particles falling onto a chassis below the sieve screen, thus effectively avoiding the measurement errors caused by the loss of fine powder in the process of transferring and screening the proppant particles, wherein the obtained data can be used for really and accurately reflecting the crush-resistant capacity of the resin film-coating proppant, thus being higher in reference value and capable of realizing selection of proper fracture film-coating proppants aiming at different application occasions better.

The invention relates to an intelligent fiber distribution system with a function of remote control, and a control method for the intelligent fiber distribution system. The system comprises a near-end control platform and a far-end fiber distribution box. The near-end control platform carries out the signal control of the far-end fiber distribution box in a wireless or wired communication manner. The system is characterized in that the near-end control platform comprises a fiber distribution state management module and a near-end communication module; the far-end fiber distribution box comprises a mobile control unit, a user port fiber connection seat, a fiber port positioning hole, a mechanical arm assembly, a rebound-type or sliding-type fiber storage assembly, and a fiber connector; the mobile control unit receives signal control information which is transmitted by the near-end control platform in a wireless or wired communication mode; the mobile control unit is used for operating the clamping and moving operation of the mechanical arm assembly, thereby enabling the fiber connector and the fiber storage assembly to cooperate and be connected with each other for operation; and the connection or disconnection of a fiber in a box with a fiber outside the box can be completed through one-time fiber jump. The system can meet the demands of the miniaturization of a fiber distribution device.

The invention discloses a preparation method of a flame-retardant cellulosic fiber. The preparation method comprises the following steps: a) mixing a flame retardant and cellulose to obtain a mixture,and then dissolving the mixture in an aqueous solution of an ionic liquid to prepare a mixed spinning stock solution; b) filtering the stock solution of the step a), performing spinning, solidification, stretching, water washing, bleaching, oiling and drying to obtain the flame-retardant cellulose fiber; wherein the ionic liquid is prepared by mixing 1-butyl-3-methylimidazolium chloride, bi-1,4-bis [1-(3-methylimidazolyl)] butyl dichloride and bi-1,4-bis[1-(3-methylimidazolyl) butyl diperchlorate. Experiments show that the flame-retardant cellulosic fiber prepared by the method has excellentmechanical properties, flame retardancy and stability, simple preparation process and low cost, does not need any organic solvent, is environment-friendly and pollution-free, does not need special equipment and harsh conditions, is easy to realize industrial production and has extremely high practical value.

The invention belongs to the field of navigation, and particularly relates to an alarm logical designing method for an airplane engine cabin fire alarm detecting system. A fireproofing controller reads the state of a dual-circuit fire alarm detector according to the time interval between 100 and 1,000ms, performs logical judgment, and sends a judgment result to the alarm system; system omission can be reduced when the false alarm rate of the system is reduced through distribution of the dual-circuit fire alarm detector by combining with a set alarm logic; and especially when any one path of the fire alarm detector sends a fire alarm but the other path does not give out a response, the judgment logic is set to be in a state of prompting flight crew to pay attention on observing the corresponding engine state, so that intense fire which is out of control and is caused by early soft fire happening in the engine cabin due to waiting is prevented if the engine cabin is really ignites or overheats, and delay of an extinguishment opportunity and great loss of life possession can be prevented.

The invention relates to a field of health foods and especially relates to a brick tea beverage for losing weight and reducing fat and a preparation method thereof. The brick tea beverage is suitable for women and comprises 50 to 60 parts of brick tea, 8 to 10 parts of tartary buckwheat, 2 to 5 parts of honey, 2 to 5 parts of haw, 8 to 10 parts of highland barley, 5 to 8 parts of chrysanthemum, 5 to 8 parts of lotus leaf, 2 to 5 parts of bitter herbs, 2 to 5 parts of cape jasmine and 200 to 300 parts of purified water. The brick tea beverage can be directly drunk, has a fine taste, and has health-care effects of losing weight, reducing blood fat, blood pressure and blood sugar, preventing cardiovascular diseases, and delays aging.

The invention discloses a coal dust conveying device leakage monitoring and early warning device and method. The leakage monitoring and early warning device comprises distributed temperature sensitive optical fibers which are wound and adhered on the external wall of a conveying steel pipe. The conveying steel pipe is externally wrapped by a heat insulation layer and a protective sleeve. The conveying steel pipe is divided into multiple continuous monitoring areas along the axis. The protective sleeve in each monitoring area is externally provided with a jacket. The two ends of the jacket stretch into the protective sleeve and the heat insulation layer and then are connected with the conveying steel pipe in an adhesive way. The jacket and the external wall of the conveying steel pipe form an enclosed pressure detection cavity. In the pressure detection cavity, an optical fiber grating vibration sensor is arranged on the external wall of the conveying steel pipe, and an optical pressure sensor is installed in the heat insulation layer. Leakage of the coal dust conveying device caused by holes or cracks at the early stage of leakage can be accurately judged and early warning can be performed, leakage of the coal dust conveying device caused by friction of the coal dust in conveying can also be accurately judged and the leakage points can be accurately captured and located and early warning can be performed so that safe production of enterprises can be ensured.

The invention provides a method for detecting expansion of a short tandem repeat. The method comprises the following steps: firstly, carrying out sequence alignment; secondly, detecting short tandem repeat of third-generation sequencing data by RepeatHMM; thirdly, detecting sequence insertion of a short tandem repeat area by inScan; fourthly, calculating an intersection of RepeatHMM detection results and sequence insertion detection results of the short tandem repeat area. According to the method provided by the invention, the results of the sequence insertion and RepeatHMM short tandem repeatdetection are combined, so that the specificity of detecting the expansion of the short tandem repeat is improved.

The invention discloses a new material stirring mixing device capable of changing a stirring scope. The new material stirring mixing device comprises a shell, feeding ports, a support base, a first stirring shaft, a second stirring shaft and material circulating chambers; the support base is arranged at the bottom of the shell; support legs are symmetrically welded on the two sides of the lower surface of the shell; the support legs are bias arranged; the lower ends of the support legs are fixed on the upper surface of the support base; a bottom stirring paddle, the first stirring shaft and the second stirring shaft are successively arranged in an inner chamber of the shell from bottom to top; two feeding ports are symmetrically formed in the upper surface of the shell; two material circulating chambers are symmetrically vertical arranged on two side walls of the shell; the new material stirring mixing device is characterized in that a storage battery is welded on a left side wall of the inner chamber of the support base; a servo motor is arranged on the right side of the storage battery. The new material stirring mixing device is convenient in use, is capable of continuously changing the stirring scope so as to optimize the mixing stirring effect of raw materials and is capable of realizing efficient mixing of the raw materials.

The invention provides a wireless radio frequency technology-based intelligent power distribution cabinet system. The intelligent power distribution cabinet system comprises an electronic wristband and a power distribution cabinet body; an electronic lock is arranged on the cabinet door of the power distribution cabinet body; a control apparatus and a binocular vision sensor are arranged on the cabinet body of the power distribution cabinet body; an electric quantity detection apparatus is arranged in the cabinet body; a data collection apparatus is also arranged in the cabinet body; the output ends of the electronic lock, the electric quantity detection apparatus and the data collection apparatus are electrically connected with the input end of the control apparatus separately; and the control apparatus and a remote monitoring center are in data transmission through a wireless network. The electronic wristband disclosed in the invention stores information of working staffs with permission of opening the power distribution cabinet; the wireless radio frequency technology is adopted for identification, and the binocular vision sensor is used to collect image information of a user for performing dual identification; if identification is successful, the power distribution cabinet is opened by controlling the electronic lock; and if identification is in failure, reminding is performed through an alarm, so that loss of personal safety and property safety caused by illegal operation by non-staffs can be prevented.

This invention disclose one network application coding data input method, which generates data input conversion rules through service terminal software to convert the data into rules and the real data into input data and comprises the following steps: customer terminal software loading on the service software; the service software generating data input conversion rules and going back; user converting the original data by the rules; the customer terminal software sending the user input data; the server terminal software receiving the above data and converting it into original data for identification.

The invention discloses an ultrasonic-assisted electrochemical mechanical polishing processing device and method for a SiC single crystal wafer. The SiC single crystal wafer and a stainless steel electrode are respectively connected with the anode and the cathode of a pulse power supply to form a closed loop in a polishing solution, and the wafer is used as the anode to perform anodic oxidation togenerate a layer of oxide film. In the method, the oxide layer is mechanically removed through a polishing pad and abrasive particles, the method is high in removing efficiency of the polishing material, the mechanical polishing cannot cause loss for the SiC single crystal base material, a lot of electric energy cannot be consumed, energy is saved and the environment is protected; and moreover, the processing device is simple, the processing method is easy to realize, and the processing device is suitable for large-scale popularization and use.

The invention relates to an on-chip system, and discloses a dynamic bus frequency modulation method of an off-chip memory and a system of the method. In the invention, the frequency modulation of an SDRAM (synchronous dynamic random access memory) bus is completed by use of the initialization state of the SDRAM. The operation of an SDC (serial data controller) executing SDRAM initialization command ensures that the access of each CPU (central processing unit) in a SOC (system on chip) chip to the SDRAM is in the halt state, so that the SDRAM bus of the system is idle, and no influences is generated on the SDRAM initialization process by modulating the SDRAM bus frequency. Therefore, the SDRAM bus frequency modulation can be realized by actively initiating the SDRAM initialization operation, so that the dynamic frequency modulation of the SDRAM bus obviates the complex software interaction among a plurality of processors, thereby greatly simplifying the SDRAM bus frequency modulation process.

The invention provides a process method for processing titanium nitride residues on an aluminum welding pad. The process method comprises the following steps of: step 1, etching a barrier layer which is not covered by a photoresist layer, a substrate below the barrier layer and a top metal barrier layer until a metal layer is etched; step 2, completely removing the photoresist layer; step 3, depositing silicon nitride; covering the silicon nitride on the barrier layer, the top of a side wall of the substrate, a side wall of the metal barrier layer and the upper surface of the metal layer; step 4, carrying out photoresist layer deposition on the upper surface of the metal layer; utilizing a condition of aluminum welding pad photoetching to carry out coating and developing of light resistance; step 5, etching the silicon nitride which is not covered by the photoresist layer; step 6, removing the photoresist layer; and step 7, carrying out chemical washing. According to the process method for processing the titanium nitride residues on the aluminum welding pad disclosed by the invention, under the precondition of keeping the appearance of the aluminum welding pad, the titanium nitride residues on the aluminum welding pad can be removed and overmuch loss of bottom aluminum is not caused; and meanwhile, the caused waste of wafers can be greatly avoided, the process is simple and extra equipment and materials do not need to be added.

The invention discloses a big-data-based urban drainage network monitoring and control system comprising a monitoring module, a data sorting module, a comparison unit, a database, an analysis module,a processor, an acquisition module, an alarm unit, a smart device and a display screen. The monitoring module is configured to monitor sewage drainage information in real time, wherein the sewage drainage information includes a liquid level of a sewage pool, drainage time of the sewage pool, and harmful gas information and the harmful gas includes molecular weight information of harmful gas, temperature information of harmful gas, and gas pressure intensity information. According to the invention, with the analysis module, the sewage drainage flow rate is calculated and the drainage speed of the sewage is obtained, so that the staff member can carry out adjustment conveniently, the too fast or too slow drainage is prevented, and the workload of the staff is reduced. Meanwhile, the alarm unit is used for carrying out corresponding prompting on the mass concentration of toxic gas, thereby enhancing the safety of drainage work and improving the work efficiency.

The invention belongs to the field of health foods and provides a black tea beverage having effects of enriching blood and tonifying qi and a preparation method thereof. The black tea beverage comprises 50 to 60 parts of black tea, 5 to 8 parts of motherwort herb, 2 to 5 parts of honey, 2 to 5 parts of haw, 8 to 10 parts of red date, 5 to 8 parts of black glutinous rice, 2 to 3 parts of black sesame, 2 to 5 parts of red bean, 2 to 3 parts of Chinese angelica, 2 to 3 parts of wolfberry, 2 to 5 parts of spinach and 200 to 300 parts of purified water. The black tea beverage can be drunk directly, has a fine taste, and has health care effects of enriching blood, tonifying qi, raising spirit, regulating menstruation, maintaining beauty, reducing blood fat, reducing blood sugar, preventing cardiovascular diseases and delaying aging.

The invention relates to a coating preparation technique of iodine-125 sealed seed source silver support rod. A silver rod which is processed beforehand is put into a reaction bottle; NaCl and NaBr mixed aqueous solution and NaI and NaOH mixed aqueous solution are added into the bottle in sequence and evenly mixed; then radioiodine and an oxidizer ICl2 are added into the bottle; the reaction bottle is fixed on a rotation motor and the process of the technique is fulfilled after rotary reaction. The technique adopts ICl2 with relatively low oxidation potential and low molar concentration as the oxidizer which hardly generates any harmful gas when reacts with the silver rod under alkaline condition, thereby reducing the volatilization of the radioiodine, greatly saving production cost, causing no environmental pollution and guaranteeing the working atmosphere of the working staff. The whole preparation process of the source core is fulfilled in one step and only needs 30min to 40min, thus reducing the labor strength of the working staff, improving working efficiency and meeting the requirements of the market.

The invention relates to a griddle applicable for induction cooker, which is characterized in that: a plurality of downward extended ferruginous fin structures or protuberant structures are arranged on the bottom of the inner arc griddle body or the small pan body with great part arc, at the middle of the griddle bottom, the heights of the structures increase gradually from inside to outside; the upper ends of the structures, that are the basal parts, are either connected with the griddle body as a whole, or connected with the bottom of the griddle body through a panel integrated and arranged in the bottom of the griddle; a support is arranged at the lower ends of the fin structures or the protuberant structures, the plane of the fulcrum of the support, that is the supporting surface, is parallel with the surface of the griddle port. The invention has the advantages of rational structure, lighter weight, high heat efficiency, convenient use, and edible oil saving and oil fume reduction when used for frying.