112results about How to "Solve temperature problems" patented technology

The invention relates to the technical field of server temperature control, and discloses a liquid cooling server intelligent temperature control method based on local software monitoring, and the method comprises the following steps: data collection: collecting hardware temperature data and task load data of a liquid cooling server through an embedded real-time monitoring module; temperature prediction: based on the hardware temperature data and the task load data, utilizing a prediction algorithm to analyze the temperature change trend of the server in a period of time in the future; regulation and control decision making: according to the temperature change trend, generating regulation and control parameters for regulating the flow of the cooling liquid and the target temperature of the cooling liquid; the invention further discloses a liquid cooling server which comprises an embedded real-time monitoring module, a distributed control unit, a cooling loop module and a local off-line temperature control module. Through the dynamic temperature control algorithm, the distributed control unit and the local temperature control module, real-time accurate regulation and control, efficient response and independent operation under the condition of network disconnection are achieved, and the reliability and adaptability of the system are improved.

The invention discloses a data acquisition and processing method based on an SF6 pressure gauge of a transformer substation, and relates to the technical field of data processing, and the method comprises the steps: collecting the environment data of the transformer substation in real time through an SF6 pressure sensor, a temperature sensor and a humidity sensor; inputting the substation environment data into a multi-sensor fusion algorithm, performing temperature compensation and humidity correction, and generating a corrected multi-dimensional data set; inputting the extracted key features into an artificial intelligence model for fault prediction, and outputting a fault early warning signal; and according to the fault early warning signal, an alarm mechanism is triggered and operation and maintenance personnel are notified, and an actual fault processing result is fed back to the central processing platform. Through a multi-sensor fusion technology and a self-adaptive filtering algorithm, the problem that SF6 pressure data in the prior art is easily influenced by environment temperature and humidity is effectively solved, and the pressure monitoring precision is remarkably improved.

The invention relates to the technical field of temperature control of light sources, and discloses a temperature control method, device and equipment for a multi-wavelength LED detection light source, and the method comprises the steps: carrying out the modeling of each wavelength LED in the multi-wavelength LED detection light source, and obtaining a transient temperature rise balance model; performing noise reduction preprocessing and temperature coupling spectrum analysis to obtain a multi-wavelength temperature signal feature vector; performing combined power resampling and envelope spectrum analysis to obtain a multi-wavelength temperature anomaly feature library; constructing a temperature control strategy; zero temperature drift distribution calculation considering thermal coupling is carried out, a multi-path first-order inertia compensation model is established, and multi-path PWM modulation parameters are obtained; and collecting multi-wavelength real-time temperature data, carrying out matching calculation on the multi-wavelength real-time temperature data and the multi-wavelength temperature anomaly feature library to obtain a multi-channel temperature deviation compensation value, and cooperatively updating multi-channel PWM modulation parameters based on temperature balance. According to the method, the problems of temperature balance and spectrum stability of the multi-wavelength LED detection light source in the use process are effectively solved.

The invention discloses a power balance control method and system based on a photovoltaic sodium ion battery energy storage system, and relates to the technical field of intelligent power balance. The battery pack state parameters comprise a battery capacity recession rate, a single battery environment temperature gradient and a voltage balance degree at a single battery environment temperature; calculating the thermal management efficiency of the battery pack based on the battery pack state parameters; when the thermal management efficiency of the battery pack is lower than a preset standard threshold value, calculating the ionic conductivity and the rate value of a single battery in the battery pack; and when the ionic conductivity and the rate value of the single batteries in the battery pack are both lower than the preset values, switching the temperature-lost single batteries into a charging mode. By quantifying the thermal management efficiency, the problem that the sodium ion battery cannot be accurately controlled to be stably located at the proper temperature and voltage by the existing battery power balance control technical means is solved.

The invention relates to a desert environment C60 high-strength concrete production control method which comprises the following steps: establishing an intelligent temperature control system, stably maintaining the water temperature in summer at 25 DEG C or below through algorithm prediction and dynamic adjustment of the intelligent temperature control system, and monitoring and adjusting pre-cooling measures of aggregate and sand; a raw material temperature monitoring network is established, the raw material temperature monitoring network is deployed in a cement storage area, an aggregate storage yard and a water treatment area, data are collected in real time through the raw material temperature monitoring network, and an accurate basis is provided for a temperature control strategy; establishing a mix proportion dynamic adjustment algorithm: based on the collected temperature and humidity data, combining with a concrete performance model, automatically adjusting the proportion of cement, water, an additive and aggregate, and optimizing the performance of the concrete under different environmental conditions; a quality monitoring system of the whole process from mixing to pouring is established, concrete performance data are collected and fed back to the algorithm model, and the production process and the mix proportion design are continuously optimized.

The invention relates to a gyroscope-oriented temperature compensation method, in particular to an MEMS gyroscope-oriented temperature compensation method, which comprises the following steps: S1, after specific noise is added, decomposing an output signal of a gyroscope into a series of intrinsic mode functions (IMF); s2, dividing the decomposed intrinsic mode function IMF into a noise segment, a mixed segment and a feature segment by using a sample entropy SE; s3, de-noising processing is carried out on the noise section by using long-window time-frequency peak filtering TFPF, and useful signals are reserved while de-noising is carried out on the mixed section by using short-window time-frequency peak filtering TFPF; s4, using an extreme learning machine ELM optimized by a non-dominated sorting genetic algorithm NSGA II to perform temperature compensation on the feature segment containing the temperature drift term; and S5, combining the de-noised noise section, the de-noised mixed section and the compensated feature section, and reconstructing a final gyroscope output signal. According to the temperature compensation method for the gyroscope, interference of noise can be well reduced, and the temperature compensation effect of the gyroscope is greatly improved.

The invention discloses an indoor temperature presumption method, an air conditioning system and a computer storage medium, and the presumption method comprises the steps that a temperature compensation value is obtained; according to wireless communication interruption between the air conditioner and the control equipment, the first temperature of the environment where the air conditioner is located is obtained; and determining the sum of the first temperature and the temperature compensation value as the indoor temperature. According to the presumption method, the first temperature of the environment where the air conditioner is located and the temperature compensation value are added to serve as the presumption numerical value of the indoor temperature, and the problem that indoor temperature obtaining lags or fails in the communication interruption process is solved; the presumption value of the indoor temperature is closer to the actual value of the indoor temperature relative to the first temperature of the environment where the air conditioner is located, so that operation of the air conditioner is closer to the actual requirement of a user, and the accuracy of automatic control over operation of the air conditioner is improved.

The embodiment of the invention provides a soluble bridge plug circulation test device and method. The device comprises a circulation pump, a circulation pipeline, a circulation visual connector, a circulation sleeve, a filtering device and a circulation storage tank. The circulating pump is connected with the circulating storage tank through the circulating pipeline, and the circulating pump is used for conveying a mineralization solution to the circulating storage tank; the circulating sleeve is arranged between the circulating pump and the circulating storage tank, and the circulating visible connector is connected to the circulating sleeve; the filtering device is arranged between the circulating sleeve and the circulating storage tank; according to the oil and gas field underground operation simulation device, the structure of the circulating storage tank and the circulating pump is adopted to achieve simulation of the environment of oil and gas field underground operation, the contradiction between temperature and pressure two-value changes is structurally solved, and the functional requirements of the conditions required by the test are met.

The invention relates to the technical field of microfluidics, in particular to a carbon quantum dot hydrothermal synthesis system and method based on microfluidics thermal field equilibrium, which comprises a thermal field sensing module, an equilibrium analysis module, a thermal field coupling module, an equilibrium regulation and control module and a closed loop execution module, the thermal field sensing module is used for collecting array temperature on the surface of the micro-fluidic chip and fluid pressure data in a flow channel, and reconstructing three-dimensional temperature distribution in the micro-channel through a multi-physics field coupling algorithm to obtain a real-time thermal field state matrix. According to the invention, by constructing a multi-physical field coupling algorithm of a thermocouple array-flow resistance model-conjugate heat transfer equation, the three-dimensional temperature distribution of the fluid in the micro-channel can be inverted and reconstructed by using surface temperature and pressure data, so that a control system can pass through a chip matrix, and the temperature of the fluid in the micro-channel can be controlled. The radial temperature gradient and the axial thermal distortion in the fluid are directly sensed, the hysteresis and the error of sensor measurement are eliminated, and a real physical basis is provided for accurate temperature control.

The invention relates to the technical field of organic synthesis, in particular to a method for continuously synthesizing a pyroxasulfone intermediate, which at least comprises the following steps: mixing polyformaldehyde and a compound I to prepare a solution A, respectively introducing the solution A and sulfonyl chloride into a micro-channel reactor for chloromethylation reaction, and after the reaction is finished, carrying out post-treatment to obtain the pyroxasulfone intermediate. The compound I is 1-methyl-3-trifluoromethyl-5-difluoromethoxy-1-H-pyrazole, and the compound II is a compound III. The pyroxasulfone intermediate is 1-methyl-3-trifluoromethyl-4-chloromethyl-5-difluoromethoxy-1-H-pyrazole, and the structural formula of the pyroxasulfone intermediate is shown in the description. By adopting the microchannel reactor, mass transfer between two-phase fluids can be enhanced, rapid and sufficient mixing of two strands of materials is realized, so that the reaction process is enhanced, the flow rate, the reaction temperature, the reaction time, the pressure and the like are controlled for reaction, and the method has the characteristics of high purity, high yield, simple synthesis process, no pollution and easy treatment of three wastes, and is suitable for industrial production. The industrial application is facilitated.

The invention relates to the technical field of temperature control, and discloses a roadbed surface temperature control method and system for a roadbed anti-freezing experiment, and the system comprises a centralized cooling device, a distributed cooling device, a resistive temperature sensor and a control device. The distributed cooling device is movably arranged on the experimental roadbed, and the resistive temperature sensor is arranged below the experimental roadbed; the control device comprises an acquisition unit for acquiring temperature data and performing abnormal data analysis; when the abnormal data exist, judging to start distributed cooling or mixed cooling according to the abnormal data and the non-abnormal data; a judgment unit extracts abnormal position environment parameters to establish feature sets, processes all the feature sets based on K-Means clustering, and judges whether the features are the same type of anomaly or not; and the processing unit determines the operation power of the distributed cooling device. According to the invention, the flexibility and precision of temperature adjustment are improved, and the cooling power is dynamically adjusted according to different abnormal conditions.

The present application provides a temperature control method for a hair straightening plate, the hair straightening plate includes a main control module, a first sampling module, a second sampling module, a first heating element, and a second heating element, and the temperature control method includes the following steps: Step 1: the first sampling module at least monitors the first temperature parameter of the first heating element and feeds back to the main control module, and the second sampling module at least monitors the second temperature parameter of the second heating element and feeds back to the main control module; Step 2: the main control module controls the working state of the first heating element and / or the second heating element according to the first temperature parameter and the second temperature parameter. In this way, the problem that the hair straightening plate is easily burned due to excessive temperature when in use is solved.

The invention discloses a fatigue endurance test device and test method for a fan bracket, and belongs to the technical field of fan bracket test. The device comprises a temperature control box assembly, a test piece mounting bottom plate assembly, an axial loading mechanism assembly, a base assembly, a radial loading mechanism assembly, a bending moment loading mechanism assembly and a motor assembly. The device can simulate the axial force, the radial force and the bending moment of the fan support in actual work, meanwhile, the environment temperature is adjustable and controllable, and a fatigue life test close to an actual working condition is carried out on the fan support. The device can also monitor and record the change data of the radial load, the axial load, the rotating speed and the bearing temperature of the test piece in real time. The structural design is optimized, the service life of the test device is prolonged, and the test reliability of the test device is improved.

The invention discloses an intelligent filtering energy-saving electricity control device, and belongs to the technical field of electric energy filters. Comprising an electric control cabinet protection cabinet body and a sealing door hinged to the outer surface of the electric control cabinet protection cabinet body, an electric energy filter main board is fixedly installed at the inner axis position of the electric control cabinet protection cabinet body through an auxiliary support, and a first circular ring frame is fixedly installed at the outer edge position of the electric energy filter main board through an auxiliary support; the first circular ring frame and the adjustable air control module are arranged in the protection cabinet body of the electric control cabinet, and a servo motor and a rotating plate in the circular ring driving module are combined, so that 360-degree surrounding rotation of fan blades is realized, and heat around the main board of the electric energy filter is effectively taken away. Meanwhile, the outward-extending infrared detection unit can perform 360-degree dead-corner-free scanning in the rotating process, the temperature of all parts of the electric energy filter mainboard is monitored in real time, it is ensured that preventive measures are taken before equipment damage caused by high-temperature elements, and the stability and reliability of the equipment are improved.

The present invention discloses a low-temperature anti-shake liquid metal reconfigurable antenna and a reconstruction method thereof, which belongs to the field of reconfigurable antennas and includes a liquid metal container, a patch antenna radiator, a back cavity gap structure, a liquid metal channel and a metal floor. The top of the liquid metal container is connected with a liquid metal injection valve and a discharge valve; the liquid metal container is directly connected to the patch antenna radiator and the metal floor; the liquid metal channel is located inside the liquid metal container and the liquid metal channel is directly connected to the patch antenna radiator and the metal floor; the back cavity gap structure is etched on the patch antenna radiator. The liquid metal part in the present invention only serves as a "switch" for switching the working state of the antenna radiator. When the temperature changes, the thermal expansion and contraction effect of the liquid metal will not affect the size of the established antenna, and even if the liquid metal solidifies in the channel, it will not have an adverse effect on the working state of the antenna.

The invention provides a latent accelerator based on anhydride-tertiary amine dynamic ion pairs as well as a preparation method and application of the latent accelerator. The latent accelerator is a reaction product of a first component and a second component, the first component comprises a substance with an acid anhydride structure, the second component comprises a compound with a tertiary amine structure, and the latent accelerator has an acid anhydride-tertiary amine dynamic ion pair. The latent accelerator provided by the invention can realize long-term storage and medium and low temperature curing of a single-component thermosetting material, and is particularly applied to an epoxy-anhydride system, an epoxy-phenolic aldehyde system, an epoxy-dicyandiamide system, an epoxy-mercaptan system, an epoxy-hydrazide system, an epoxy-4, 4 '-dihydroxybenzenesulfonic acid system, a curing agent and a curing agent. When being used in epoxy resin systems such as 4, 4 '-diaminodiphenyl sulfone systems, the curing temperature of the epoxy resin systems can be reduced, and the epoxy resin systems can be stored for a long time.

The embodiment of the utility model discloses a refrigerant heater. The refrigerant heater comprises a snakelike flat pipe, the snakelike flat pipe comprises a plurality of U-shaped bent parts and a plurality of flat pipe sections arranged in parallel in the first direction, and the flat pipe sections are connected through the U-shaped bent parts to form a continuous flow channel; at least two flat tube runners are arranged in the snakelike flat tube; the flat pipe flow channels are arranged in parallel in the second direction and are used for refrigerant circulation; wherein the first direction is perpendicular to the second direction; and the at least one heating sheet is arranged between the adjacent flat pipe sections. According to the embodiment of the utility model, the problem that the existing energy storage battery pack lacks a small refrigerant heater which is not in direct contact with a refrigerant is solved, and meanwhile, the problem of dry burning caused by non-uniform refrigerant distribution is avoided.

The utility model discloses the reaction kettle of environmental protection type prevention and treatment auxiliary agent's deployment device relates to reaction kettle technical field. The utility model discloses the reaction kettle of environmental protection type prevention and treatment auxiliary agent's deployment device includes support frame, and the upper portion of support frame is provided with the reaction mechanism for mixing raw materials, and the reaction mechanism includes: the storage component is provided in the upper portion of support frame and provides the container for the reaction in production process, the stirring component includes the top cap of setting in the top of storage component, the upper portion of top cap is inserted and is installed with the connecting bolt, the upper portion of top cap is inserted and is installed with the connecting pipe, the upper portion of top cap is provided with pressure -relief valve and feed valve, when motor drives driving shaft rotation, and the arc plate on driving shaft will actively push the material of lower center temperature of material cylinder to the edge, near the high temperature area of mica heating ring, and the auger will turn over the material below material cylinder upward, make all areas's raw materials in material cylinder can cyclic contact to the evenly heated inner wall of material cylinder.

The present invention relates to the field of thermostatic shower accessories, and in particular to an automatic water flow control module, comprising: a base, a valve body, a thermal sensitive component and a diaphragm. The temperature sensing part senses the temperature of cold water passing through in real time. When the temperature of the cold water is too low, the mixed water flow is slowed down so that more hot water is supplied to the thermostatic valve core for mixing. When the temperature of the cold water is too high, the mixed water channel is enlarged so that more cold water is supplied to the thermostatic valve core for mixing. In this way, the mixed water temperature range of the thermostatic valve core can be guaranteed, and the problem of temperature adjustment failure or temperature excess caused by the thermostatic shower matching a gas water heater is solved.

The invention relates to the technical field of press heat dissipation, in particular to a press storage location temperature control method based on a PI D algorithm, and the method comprises the steps: 1, collecting a real-time temperature signal of a press storage location through a temperature sensor when the press storage location works normally, and transmitting the real-time temperature signal to a PLC control unit; 2, the temperature signal is fed back and transmitted to a PID controller through a PLC control unit, the PID controller outputs a control signal to regulate and control the rotating speed of a side face storage location fan of the press, and meanwhile storage location temperature information of the side face fan is collected and fed back to the PLC control unit; and 3, when the temperature of the storage location does not reach the parameter value set by the user, the PID controller outputs a control signal to the electric ball valve, the electric ball valve controls the opening degree of the ball valve according to the received control signal so as to adjust the water temperature, and meanwhile, the flowmeter records the real-time water inflow and feeds back a signal to the PID controller.

The utility model discloses a foldable flexible pasting automobile power generation film used for an air conditioner in an automobile, which relates to the technical field of flexible solar cell application and comprises a flexible perovskite solar cell module and a control module, and the flexible perovskite solar cell module is attached to the automobile and supplies power to the air conditioner in the automobile and the control module. The control module is used for monitoring the real-time temperature in the vehicle and controlling an air conditioner in the vehicle according to the temperature so as to maintain the temperature in the vehicle within a preset range. Power is supplied to the in-car air conditioning system through the car power generation film, it is ensured that the in-car temperature is always kept within the comfort range preset by a driver, and the effect of improving the comfort experience of the driver and driving safety is achieved.

The utility model relates to the field of automobile, concretely relates to a hybrid car front end cooling module. Specifically include big low temperature radiator, small low temperature radiator, connecting hose, condenser, high temperature radiator and electronic fan, big low temperature radiator is arranged in the first row of cooling module, and is in the front of condenser, small low temperature radiator is arranged in the front of condenser, and small low temperature radiator and big low temperature radiator are connected through connecting hose and are connected in series with two radiators, and low temperature radiating loop cooling liquid first flows through small low temperature radiator and then flows through big low temperature radiator, and high temperature radiator is arranged in the third row position, and the electronic fan arranged in the last end provides the air intake power for whole cooling module. The utility model can effectively solve the problem that hybrid car is under high temperature environment, and the water temperature of electric drive system is high and the temperature of engine intake is high, and the performance and energy consumption of air conditioning system are considered simultaneously.

The application relates to the technical field of powder coating, in particular to a powder coating suitable for laser curing and a preparation method and application thereof. The powder coating for laser curing comprises the following components in parts by weight: resin, curing agent and heat-conducting agent, and other components; the mass ratio of the resin, the curing agent and the heat-conducting agent is 50-90:510:510; the heat-conducting agent is selected from two or more of graphene oxide, nano-aluminum oxide, carbon nanotubes, aluminum nitride and hexagonal boron nitride. The powder coating for laser curing of the application has excellent surface gloss, flatness and substrate adhesion after laser curing, and has good chemical corrosion resistance, and can realize a curing effect equivalent to that of current conventional thermal curing, and has significant application value in the fields of decoration and protection.

The invention relates to a mass concrete multi-stage anti-crack construction method, and belongs to the technical field of concrete construction.The mass concrete to-be-poured area is divided into a first peripheral anti-crack area, a second transition slow-release area and a third central heat storage area by establishing a quantifiable partition criterion based on an inner side line of a formwork and the shortest horizontal distance d; anti-cracking reinforced concrete B, transition concrete C and low-hydration-heat concrete A are prepared in a targeted mode, a lap joint transition zone is arranged during pouring to achieve continuous transition of material performance, and meanwhile partition differentiation heat preservation and moisture preservation covering and staged form removal and maintenance in the sequence from the center to the periphery are matched; the temperature reduction rate, shrinkage development and constraint release of different areas form gradient synergy, the problems of temperature cracks and shrinkage cracks caused by fuzzy partition boundaries and space mismatch of materials and maintenance measures in traditional construction are effectively solved, and the stability of crack control, the consistency of construction quality and the structural durability are remarkably improved.

The invention relates to a fiber bragg grating vibration sensor with a temperature self-compensation function and a preparation method, the sensor comprises a mass block with a high thermal expansion coefficient, a base and an X-shaped flexible hinge with a low thermal expansion coefficient, the base is provided with a shell, the X-shaped flexible hinge is arranged between the mass block and the base, and the X-shaped flexible hinge is arranged between the mass block and the base. The two ends of the X-shaped flexible hinge are connected with the mass block and the base respectively, a fiber grating used for detecting vibration in the vertical direction is axially arranged at the central axis of the end faces of the same sides of the mass block and the base, and the fiber grating is located between the mass block and the base and applies prestress. According to the invention, the central wavelength variation of the fiber bragg grating caused by temperature change counteracts the central wavelength variation of the fiber bragg grating caused by stress generated by distance change due to thermal expansion between fiber bragg grating fixing points, so that the central wavelength of the fiber bragg grating is not influenced by temperature change; and the temperature self-compensation of the fiber grating vibration sensor is realized.

The invention relates to the field of automobile parts, and discloses an automobile side liquefied natural gas cylinder body which comprises an inner container assembly, a steel plate is arranged on the outer wall of the inner container assembly, an outer rear seal head is arranged at one end of the steel plate, an outer front seal head is arranged at the other end of the steel plate, and a protective cover is arranged at the top of the outer rear seal head. A protection cover mounting ring is arranged at the bottom of the outer front end socket, nylon screws are arranged on one side of the protection cover mounting ring, a vacuumizing opening protection cover is mounted on the side, away from the outer front end socket, of the protection cover mounting ring through the nylon screws, and a vacuumizing opening assembly is arranged on one side of the bottom of the outer front end socket. Through the arrangement of the connecting structure, the inner container assembly can be conveniently connected with an external system, the connecting structure is externally protected through the protective cover, the connecting position of the connecting structure and the inner container assembly is protected through the outer rear sealing head, and therefore the effects of conveniently connecting the external system and improving the connecting safety and reliability are achieved.

According to some embodiments, a battery management device includes: a data acquisition unit configured to acquire battery data from a multi-cell battery pack, the multi-cell battery pack including a main battery pack and one or more sub-cell battery packs; and a control unit configured to determine, based on the battery data, whether there is a low-temperature battery pack in the multi-cell battery pack that is in a low-temperature state, and when a low-temperature battery pack is present, to select a discharge battery pack from the remaining battery packs in the multi-cell battery pack that excludes the low-temperature battery pack based on the battery data, and to supply the power generated by discharging the discharge battery pack to a temperature management device configured to manage the temperature of the low-temperature battery pack.

The utility model relates to a kind of 500kV intelligent on-line monitoring intermediate joint.The joint includes 500kV cable intermediate joint and on-line monitoring device;The 500kV cable intermediate joint includes epoxy resin body and stress cone;The on-line monitoring device includes on-line partial discharge signal monitoring device, on-line temperature signal monitoring device and monitoring terminal.The utility model 500kV intelligent on-line monitoring intermediate joint, the application combination of intelligent on-line partial discharge and temperature monitoring system and 500kV intermediate joint, can early warning to the insulation defect possibly existing of cable and accessory product, find the insulation hidden danger of high-voltage cable and cable joint in advance;Solve the traditional line partial discharge and temperature signal " cannot measure" problem, guarantee cable safe operation.

The present disclosure relates to the technical field of extruders, and one embodiment of the present disclosure provides a cable extruder facilitating temperature control, which comprises an extruder body, a feeding box and a circulating water tank, the feeding box is arranged at the top of the extruder body, the circulating water tank is arranged at the bottom of the extruder body, a circulating cooling assembly is arranged on the circulating water tank and the extruder body, a top frame is fixed at the top of the feeding box, a feeding preheating assembly is arranged on the top frame, and the circulating cooling assembly comprises a pair of outer covers, a convex layer is attached to the two end faces of the outer cover, and a water inlet cover is arranged on the outer cover at the top. Through the above technical solution, the technical problem that the violent friction between the screw and the barrel and the material shearing will generate a large amount of heat, resulting in a sharp rise in the temperature in the barrel and uneven distribution, and the existing equipment lacks an effective preheating and temperature control mechanism for the pellets or powder entering the extruder, and the low-temperature material directly put into the high-temperature barrel will cause unstable melting speed due to the large temperature difference.

The invention relates to a processing method for solving heat dissipation of a contact surface of a wafer and an electrostatic chuck, which belongs to the technical field of silicon wafer processing, and comprises the following operation steps of: 1, grinding a silicon wafer; and 2, cleaning the surface of the silicon wafer through NAOH, SC1 and pure water. And 3, carrying out acid corrosion on the silicon wafer in a mixed solution of HF, HNO3 and H3PO4, wherein the corrosion rate needs to be regulated and controlled to 0.8-1 [mu] m / s so as to ensure the glossiness and roughness of the back surface. And 4, corroding the silicon wafer through PC-DH2 / TMAH, HF and pure water, and then cleaning the silicon wafer. And 5, carrying out BSD sand blasting treatment on the back surface of the silicon wafer by using a grinding liquid formed by mixing a 3000 # silicon dioxide grinding material and pure water. And 6, cleaning the silicon wafer subjected to the sand blasting treatment by adopting SC1. The problem of adapting to the temperature of the electrostatic chuck is solved. H3P04 is used for acid corrosion, and the glossiness of the back surface of the silicon wafer is ensured in a state of a relatively high corrosion rate. And meanwhile, large-particle salient points on the back surface caused by acid corrosion are filled in a BSD sand blasting manner.