54results about How to "Avoid volatility" patented technology

The application discloses a song tone matching method and system based on audio spectrum analysis, and relates to the technical field of data processing.The method comprises the following steps: obtaining original singing audio and user audio, obtaining song sentences, obtaining first matching frequency spectrum segments corresponding to the song sentences, and obtaining second matching frequency spectrum segments corresponding to the song sentences; obtaining first frequency spectrum peak points, dividing the first matching frequency spectrum segments into first front frequency spectrum segments and first rear frequency spectrum segments, obtaining second frequency spectrum peak points, dividing the second matching frequency spectrum segments into second front frequency spectrum segments and second rear frequency spectrum segments; obtaining front frequency spectrum difference values, obtaining rear frequency spectrum difference values, and judging whether the front frequency spectrum difference values and the rear frequency spectrum difference values are smaller than a preset threshold value; if not, generating target front frequency spectrum segments and target rear frequency spectrum segments, constructing target sentence audio according to the target front frequency spectrum segments and the target rear frequency spectrum segments, and obtaining matching audio according to the target sentence audio.The application has the advantages of good song tone matching effect, rhythm deviation repair, original singing style reservation and user tone matching effect.

The application relates to the technical field of building materials, and discloses an L-shaped ALC corner wallboard, which comprises a corner reference plate and a corner adjusting plate, the corner adjusting plate is arranged on one side of the corner reference plate, one side of the corner reference plate is provided with a circular arc surface, the corner adjusting plate is provided with an arc-shaped groove, the inner wall of the arc-shaped groove is in contact with and matched with the circular arc surface, the installation and connection of the corner reference plate and the corner adjusting plate are completed in the mode that circular clamping blocks and connecting pieces are clamped, the strip-shaped pressing plate is driven to move by rotating the lower pressing disc, the position of the pressing plate is adjusted, the pressing plate is away from the corresponding circular clamping block, the corresponding two circular clamping blocks are away from the connecting spherical body, the connecting spherical body can be taken off from the circular clamping block, and the corner reference plate and the corner adjusting plate can be disassembled and replaced.

The application provides an output power limit value calculation method and a semiconductor process equipment, which are applied to a heating disc, the heating disc comprising a first heating element and a temperature sensor, the temperature sensor being used for detecting the temperature of the first heating element, the method comprising: obtaining historical operation data of the first heating element; wherein the historical operation data comprises historical output power and a temperature value detected by the temperature sensor; determining a heat consumption power required when the first heating element is heated based on the output power and the heating speed of the first heating element in the historical operation data, taking the heat consumption power as a power lower limit value of the first heating element in the heating stage; and calculating a heat supply power of the first heating element at a preset heating speed based on the heat consumption power, taking the heat supply power as a power upper limit value of the first heating element in the heating stage. The application can avoid large fluctuations in the temperature of the first heating element, and improves the stability of temperature control.

The utility model discloses a kind of citric acid fermentation fine filter devices, belong to citric acid production technical field.Device is composed of fermentation unit and fine filter unit: fermentation unit contains seed tank and fermentation tank, the feed inlet of seed tank is connected with syrup turbid liquid pipe, the feed inlet of fermentation tank is connected with syrup clear liquid pipe and syrup turbid liquid pipe, seed tank and fermentation tank are configured with steam, compressed air, defoaming agent, emptying and circulating water pipeline.Fine filter unit first removes most solid impurities with primary plate-and-frame filtration, then ceramic membrane fine filtration and anion and cation exchange impurity removal.Two-stage filter-pressing acid residue is dried after being thickened and then filter-pressing to be feed, and two-stage filtrate respectively enters subsequent process.The device can greatly reduce labor cost and failure rate, improve citric acid purity and yield, and meet the needs of large-scale, high-quality and green production.

This invention belongs to the field of storage equipment technology, and specifically relates to an auxiliary preservation and suction device for fragrance liquids. It includes a movable base and a storage container. The storage container is placed on the movable base, and its top is equipped with a pipe interface. A connector is attached to the pipe interface, and a nitrogen pipeline is connected through the connector. A suction device is connected to the storage container through the pipe interface. The suction device includes a suction tube, a slanted tee, a shut-off valve, a buffer bottle, a three-way valve, and a pressure gauge. This invention injects nitrogen into the storage container before and after it is opened, via an external nitrogen pipeline, forming a nitrogen covering layer that effectively isolates the liquid from air. Because nitrogen is chemically very stable, it stabilizes the liquid, preventing fluctuations and evaporation. A negative pressure source is connected to a negative pressure pipeline, creating negative pressure inside the storage container. The liquid is then suctioned out via the suction tube using the negative pressure suction principle, facilitating the storage and use of fragrance liquids.

The utility model relates to heat exchanger technical field, and disclose a kind of high-efficiency heat exchanger, including storage tank, the bottom of storage tank is fixedly connected with first connecting pipe, one end of first connecting pipe is fixedly connected with three-way connecting pipe, both ends of three-way connecting pipe are fixedly connected with second connecting pipe, the upper portion of storage tank is provided with hopper, the top of storage tank is provided with connecting structure, and connecting structure is connected with hopper, the outside of hopper is fixedly provided with two limit protruding blocks, the top of hopper is provided with crosspiece, the both ends of crosspiece are fixedly provided with buckling plate, in the reaction process of DMTO device, when material is guided into storage tank interior through hopper, reciprocating press hopper, to improve flowability, then start punch gas source, solid calcium hydroxide particles in storage tank interior are sprayed into heat exchanger interior through second connecting pipe, to impact catalyst adhered on heat exchanger tube bundle, make it fall off, improve heat exchanger efficiency, avoid water system fluctuation, water quality deterioration simultaneously.

The utility model discloses a vacuum box sampler of accurate control flow belongs to gas sampling technical field, including vacuum box, the inside bottom wall fixed mounting of vacuum box has extrusion subassembly, one side of vacuum box is provided with round slot, the inside fixed connection of round slot has air inlet component, through setting extrusion subassembly, make the clamping plate relative movement to the gas bag is clamped, and utilize pressure sensor monitoring the tension of gas bag expansion time to dynamic adjustment clamping plate extrusion force to gas bag, can ensure that the tension that gas bag produced in the inflation process keeps consistent, guarantees the stability of gas flow, and then improves the accuracy and reliability of sampling process to effectively avoid the gas flow fluctuation caused by gas bag tension change, ensure that the real reflection of sampling result, through setting up air inlet component, rotates first connecting head and can realize its quick separation with second connecting head, and the operation is simple and convenient, and the use is convenient.

The invention discloses a data reporting method of a photovoltaic cleaning robot, the photovoltaic cleaning robot and a system, and belongs to the technical field of robot communication. The data reporting method of the photovoltaic cleaning robot comprises the steps of determining a relay robot in a plurality of adjacent robots under the condition that a communication link with a server is detected to meet a triggering condition, and establishing a near field communication link with the relay robot; determining a relative position relation with the relay robot; based on the relative position relation, the motion state of the robot itself is adjusted, so that the robot itself moves along with the relay robot in the mobile operation environment, and the communication stability of a near field communication link is kept; and sending the to-be-reported data to the relay robot through the near field communication link, so that the relay robot uploads the to-be-reported data to a server. Through stable near field communication between the photovoltaic cleaning robots, the data of the photovoltaic cleaning robots can be timely and completely reported to the server.

The grinding device for detecting the oil content of the vegetable protein food comprises a main body, a running mechanism, an adjusting mechanism and an auxiliary assembly, the running mechanism comprises a rotating piece, a conveying piece, a fixed piece, a movable piece and a roller bearing, and the adjusting mechanism comprises a threaded sleeve, a first spring, a positioning frame and a feeding box. The auxiliary assembly comprises a second spring, a push plate, a material receiving box and a supporting rod, under the mutual cooperation effect of the mechanisms, the device can evenly feed a sample into the grinding cavity, fluctuation caused by manual adding is avoided, the sample is evenly stressed in the grinding process, the uniformity of grinding particles is improved, the subsequent grease extraction efficiency is improved, and in addition, the device is convenient to use. The device can be used for different samples or different experiment stages in the same equipment, the utilization rate of the equipment is increased, and the influence of different grinding granularities on results can be quickly tried at the stage of developing a detection method.

The utility model provides a tubular heating furnace burner assembly with an automatic ignition function, which comprises a main control panel and a plurality of groups of burners, the main control panel is provided with a plurality of groups of burner control and display components, and each group of burner control and display component is respectively connected with the corresponding burner; and each group of combustors comprises a pulse igniter, a thermocouple electromagnetic valve, an ignition probe and a combustor nozzle. After an ignition switch is started, a pulse igniter discharges, an ignition probe forms electric sparks near a burner nozzle, meanwhile, a fuel gas adjusting valve is opened, and ignition can be completed, so that the ignition time is saved, the one-time ignition success rate is increased, and the stability of technological parameters of a heating furnace is guaranteed; fluctuation of technological parameters such as flow, temperature and pressure of a heating furnace system caused by long-time unsuccessful ignition is avoided, and unqualified product quality of the device is influenced. By adding the thermocouple induction needle, the thermocouple electromagnetic valve can be cut off immediately when the heating furnace flames out, and safe and stable operation of the device is protected.

The application provides a control method and device of a light storage device, electronic equipment and a readable storage medium. The control method of the light storage device comprises: adjusting the output power of an inverter according to a preset first reference reactive power value; detecting a first reactive power value of the inductance of a filter; obtaining a second reactive power value of a current transformer; obtaining a first reactive power difference value based on the first reactive power value and the second reactive power value; adjusting the output power of the inverter according to a preset second reference reactive power value; detecting a third reactive power value of the inductance of the filter; obtaining a fourth reactive power value of the current transformer; obtaining a second reactive power difference value based on the third reactive power value and the fourth reactive power value; obtaining the operating state of the current transformer according to a reactive power output limit value, the first reactive power difference value and the second reactive power difference value; and the second reference reactive power value is the opposite number of the first reference reactive power value. The reactive power value is adjusted to determine the current transformer fault type, the influence on the active power is reduced, and the equipment stability is improved.

This invention relates to a gear welding device and method for a press, belonging to the field of press manufacturing. The technical solution is as follows: A gear welding device for a press includes a work platform with a ground rail. A transfer trolley is movably mounted on the ground rail to carry the gear to be welded. Positioners are mounted on both sides of the ground rail, each equipped with a rotatable gripper. A gantry frame is also mounted on the work platform, spanning the ground rail. A welding robot is movably mounted on the gantry frame, its movement direction being horizontal and perpendicular to the ground rail. The welding robot is equipped with a machine vision module. This solution, through the positioner grippers, can precisely achieve 180° rotation of the gear, providing a stable posture adjustment basis for double-sided welding. The welding robot, combined with the machine vision module, enables automated and high-precision acquisition of weld information, providing data support for intelligent welding path planning.

The present application relates to the technical field of heating tube control, and specifically discloses a kind of integrated multi-channel medical heating blanket infusion heating tube control method and system, comprising the following steps: step S1: through historical data, the collaborative relationship of heating blanket and infusion heating tube is established, and the influence of both on patient temperature is quantified;Step S2: generate normal body temperature change curve and calculate standard change rate, provide reference for real-time adjustment;Step S3: according to the collaborative relationship and the standard change rate, the temperature of heating blanket and infusion heating tube is adjusted in real time, to ensure that patient temperature reaches target value smoothly and safely;The present application can meet the needs of multiple places at the same time for multi-channel heating components, greatly reduce the cost of equipment, and through data driving and dynamic adjustment, precise and efficient body temperature regulation is realized.

The application discloses a drug target interaction prediction method based on a network embedding structure, and belongs to the technical field of biological information and machine learning. The method firstly constructs a drug target bipartite network, and then quantifies network embedding. In the quantification process, an expected violation quantity is calculated by introducing a probability zero model to correct node degree differences, and the local similarity of a node pair is combined as a weighting factor. During prediction, the change in network embedding caused by the addition of a candidate drug target link is calculated, and all candidate interactions are scored and sorted according to the change. The application can effectively utilize the global embedding structure of the network, overcome the bias caused by degree heterogeneity, improve the accuracy and robustness of prediction, and be used for drug reuse and priority sorting of experimental verification.

The application relates to the technical field of power supply equipment, and discloses an inverter power supply, which comprises a shell body, a power distribution unit arranged in the interior of the shell body, the power distribution unit being provided with an input terminal used for accessing first alternating current, the power distribution unit further comprising a rectifier bridge electrically connected with the input terminal, the rectifier bridge being used for converting the first alternating current into direct current, an inverter unit arranged in the interior of the shell body, the inverter unit comprising a busbar capacitor plate, the busbar capacitor plate being electrically connected with the rectifier bridge, the busbar capacitor plate being connected with an IGBT module, the IGBT module being connected with an output terminal, and a control unit arranged in the interior of the shell body, the control unit being connected with the IGBT module, the control unit being used for controlling the IGBT module so that the IGBT module converts the direct current into second alternating current, and the second alternating current is output through the output terminal. The inverter power supply provided by the application can control the parameters of output current more accurately.

This invention discloses a continuously variable transmission (CVT), specifically relating to the field of transmission technology. It includes a housing with an adjustment component on it. The adjustment component includes a connecting cover at one end of the housing, and an angle-adjustable ball joint hinged within the connecting cover. A first shift lever is located at the bottom of the ball joint. Through angle adjustment of the ball joint, and the linkage between a slider and a concave block, the first and second shift levers slide laterally, allowing for real-time fine-tuning of the meshing depth between the first and second connecting wheels and the linkage gear. This dual adjustment structure works synergistically, breaking the limitations of traditional segmented speed regulation. It enables seamless switching of the transmission ratio within a preset range. Furthermore, the high-precision angle control of the servo motor combined with the micron-level displacement adjustment of the ball joint ensures that the transmission ratio meets the corresponding control requirements, satisfying the needs of high-precision speed regulation scenarios.

The utility model relates to the technical field of urea granulation, in particular to a fluidized bed granulation device for urea granule production, which comprises a fluidized bed body, one side of the fluidized bed body is fixedly connected with a first blanking plate, and one side of the fluidized bed body is provided with a base. A first vibration frame is installed at the top of the base, a first screening net is fixedly connected into the first vibration frame, a second screening net is installed in the vibration frame, a rotary drum granulator is arranged on one side of the base, a support is arranged on one side of the rotary drum granulator, a second vibration frame is slidably connected to the top of the support, and a third screening net is fixedly connected into the second vibration frame. A first driving assembly is installed at the top of the base, a second driving assembly is installed at the top of the support, and the fluidized bed granulation device for urea particle production has the advantages that the product particle size qualification rate is increased, the technological process is stabilized, and efficient screening and grading are achieved.

This invention relates to a method for improving the light-load efficiency of a synchronous rectifier chip. The method involves monitoring the voltage V between the output terminal K and the input terminal A of the synchronous rectifier chip. KA The V KA This reflects the change in load current; when the V KA When the voltage drops to the first preset voltage, based on V KA = -Is×Rdson is used to dynamically pre-adjust the Vgs drive voltage to counteract the Vgs voltage drop caused by the decrease in load current Is. KA The change extends the turn-on time of the synchronous rectifier chip; Rdson is the on-resistance of the MOSFET inside the synchronous rectifier chip; the dynamic pre-adjustment processing of the Vgs drive voltage includes: controlling the reduction of the Vgs drive voltage, utilizing the characteristic that Rdson increases as Vgs decreases in the MOSFET, and maintaining Vgs. KA The voltage remains constant.

The invention discloses an atomization rate adjusting method and an atomization device.The atomization rate adjusting method comprises the steps that the atomization rate is preset; based on a preset atomization rate, determining a waveform amplitude parameter of the driving signal and a waveform output time proportion parameter of the driving signal; determining a liquid flow velocity parameter matched with the waveform amplitude parameter and the waveform output time proportion parameter of the driving signal; and based on the waveform amplitude parameter, the waveform output time proportion parameter and the liquid flow velocity parameter of the driving signal, driving liquid supply and driving an atomization sheet to work. The invention further provides an atomization device. The atomization piece is provided with holes. The driving circuit is electrically connected with the atomization sheet and is used for implementing the atomization rate adjusting method; a liquid cavity is formed between the mounting seat and the atomizing sheet; the barrel is connected to the mounting base, an atomization cavity is formed in the barrel, and the atomization piece is used for atomizing liquid in the liquid cavity.

The utility model relates to a grain mixing device, driving motor, support plate, gyration axle, rotary support frame, mixing barrel assembly and autorotation mechanism, driving motor output end and gyration axle one end transmission connection, gyration axle other end passes through support plate and is fixedly connected with rotary support frame, autorotation mechanism one end is connected with support plate, and its other end is transmission connection with mixing barrel assembly, and rotary support frame is rotationally connected with mixing barrel assembly, and rotary support frame rotates around first axis under the drive of gyration axle, and autorotation mechanism is used for driving mixing barrel assembly to rotate around second axis, and first axis is perpendicular with second axis. Driving motor drives gyration axle to rotate, drives rotary support frame to rotate around first axis, simultaneously drives mixing barrel assembly to rotate around second axis through autorotation mechanism and second transmission assembly, realizes mixing barrel assembly to carry out the stirring to grain from different directions, ensures grain sample even mixing, reduces manual labor intensity, improves mixing efficiency.

The present application relates to a kind of pipeline flow automatic regulating control protection system and protection method, including the flow meter and regulating valve installed on pipeline, flow meter is used to collect the medium flow data in pipeline, regulating valve is used to adjust the medium flow in pipeline, also include main controller, analog input module and analog output module, main controller is used to control the medium flow in regulating pipeline, the acquisition data of flow meter is transmitted to main controller by the analog input module, main controller compares the acquisition data and carries out comparison operation, then control signal is output to regulating valve by the analog output module, and the adjustment control of the medium flow in pipeline is executed by regulating valve.When abnormal situation occurs in flow meter, it can switch the regulator from automatic to manual, prevent the regulating valve from fluctuating greatly, avoid the production and process indicators from fluctuating due to the problem of flow meter, so as to ensure personal safety and production conditions, the stability of running equipment.

This application discloses an isothermal and isobaric flash evaporation calculation method, apparatus, electronic device, and storage medium. Specifically, it involves acquiring multiple system parameters of a non-ideal system, estimating the phase equilibrium constant of the non-ideal system to obtain an initial value for the phase equilibrium constant; based on a gas-liquid two-phase flash evaporation model, the initial value, and multiple system parameters, analyzing whether the feed exhibits liquid-phase stability; if the feed does not exhibit liquid-phase stability, analyzing whether the feed exhibits gas-phase stability; if the feed does not exhibit gas-phase stability, performing gas-liquid two-phase flash evaporation calculations on the feed, obtaining and outputting the calculation results. Compared to existing technologies, this application enables the calculation results to more closely approximate actual conditions.

The invention discloses an electric vehicle V2G discharge cooperative control method and system based on a dynamic threshold value, and relates to the technical field of electric vehicle and intelligent power grid interaction, and the method comprises the steps: carrying out the data collection from a sensor and a data collection terminal of a power grid dispatching center, an electric vehicle-mounted terminal, and a charging pile communication module; the method comprises the following steps: collecting data of an electric vehicle, preprocessing the collected data, constructing a multi-dimensional dynamic threshold model based on a preprocessed data set, calculating three types of core thresholds, dividing an electric vehicle cluster and distributing discharge tasks after calculation, performing hierarchical cooperative discharge control execution, and performing multi-target optimization and threshold dynamic correction. And monitoring and terminating the discharge process according to the results of optimization and threshold correction. According to the control method, the state of the power grid is adapted in real time through the dynamic threshold value, the discharge response time in an emergency scene is effectively shortened, the frequency fluctuation of the power grid is effectively controlled, the voltage fluctuation is also effectively controlled, and the stability of the power grid is improved compared with the prior art.

The application discloses a kind of quick cross path scheduling methods of inter-city area customized public transport system, the shortest distance method between regions is used to build start point area end point set and end point area start point set, to generate start point area travel sequence Yo by insertion method, to generate end point area travel sequence Yd by insertion method, then the Yo and Yd are optimized by quick exchange method, finally the minimum value of start point × Yo × Yd is solved, which is the final inter-city area customized public transport system target path, with the shortest bus travel distance as the target;The method does not use probability distribution, effectively avoids the fluctuation of the final path result, according to the characteristics that the distance between nodes in different regions is much larger than the distance between nodes in the same region, the inter-regional traffic node set is established, and it is used as the end point of the start point region and the start point of the end point region, respectively, to maximize the range of optimal solution, effectively reducing the overall calculation scale.

The application discloses a UPS and a UPS power supply system suitable for realizing online battery testing, and relates to the technical field of UPSs. The UPS comprises a DC bus, a bidirectional AC / DC converter, a bidirectional DC / DC converter, a DC / AC converter and a control unit; the control unit controls the bidirectional AC / DC converter and the bidirectional DC / DC converter to work in a normal working mode and a battery testing mode; and in the battery testing mode: the working direction and the output power of the bidirectional AC / DC converter are configured so that the algebraic sum of the discharge power of the battery and the output power of the bidirectional AC / DC converter is balanced with the load power, and the battery is discharged with constant current, thereby realizing accurate online battery testing on the battery contained in the UPS power supply system based on the UPS.

This utility model belongs to the field of intelligent support and discloses an intelligent learning companion robot with rich degrees of freedom of movement. It includes a microphone stand, a vertical rod with a horizontal bar on it, a base on the vertical rod, and a rotating module inside the base. The rotating module can drive the base to rotate horizontally around the vertical rod. A push rod is hinged to the base, and the other end of the push rod extends out of the base and is hinged to a sleeve. The horizontal bar passes through the sleeve. A swing motor is connected to the hinge axis between the push rod and the base, and the swing motor can drive the push rod to swing up and down around the hinge axis. A sliding module is inside the sleeve, which can push the horizontal bar to slide along the sleeve axis. Two vision sensors are fixed to the outer end of the base, and a controller is inside the base. The controller can control the movement of the rotating module, the swing motor, and the sliding module based on the signals received from the two vision sensors. This invention solves the problem that existing microphone follow-up devices cannot be adapted to commonly used microphone stands when learning to give speeches.

The application relates to a coal injection amount adjusting method and system, electronic equipment and a storage medium, the coal injection amount adjusting method comprising the following steps: acquiring average batch number of discharging per unit time, batch material volume information, volume between the interface of a furnace shaft and a furnace waist and a tuyere center line plane, and smelting cycle time length information; confirming a coal powder thermal lag time length according to the average batch number of discharging per unit time, the batch material volume information and the volume between the interface of the furnace shaft and the furnace waist and the tuyere center line plane; and confirming a coal injection adjustment starting time according to the coal powder thermal lag time length, the smelting cycle time length information and first batch of furnace charge entering a furnace time information after coke load changes. The application comprehensively considers single and multiple factors to confirm the coal injection amount adjustment starting time, improves the punctuality of the coal injection amount adjustment starting time, can accurately calculate the coal injection amount adjustment starting time when the coke load of the entering furnace charge changes, can be used for guiding blast furnace operators to adjust the furnace condition, and avoids the fluctuation of the furnace temperature and the waste of the fuel consumption.

This utility model discloses a synchronous linkage transmission system for a multi-layer vulcanizing machine, including a fixed component, a synchronous component, and a connecting component. The synchronous component is located on top of the fixed component and supports it. The synchronous component connects to the hot plates to ensure synchronous closure of the multiple hot plates. The connecting component is located on the synchronous component. The fixed component includes a base plate and a support plate. The top of the base plate has mounting holes, and the support plates are symmetrically fixed to the top of the base plate. This utility model utilizes the cooperation of the fixed component, synchronous component, and connecting component. The fixed component supports and installs the synchronous component. Each hot plate is connected by a set of synchronous components, ensuring synchronous closure of the multiple hot plates. This mechanical synchronous transmission method prevents fluctuations in the hydraulic system, ensures synchronous closure of the multiple hot plates, improves vulcanization uniformity by more than 30%, and facilitates high synchronization and stability.

The utility model relates to a battery pole piece technical field provides a curved surface curling and winding device, it includes: the outgoing pull roller, the rectification mechanism, the swing roller subassembly, the approach roller subassembly, the turret, the turret is equipped with the first winding reel, and the first winding reel receives the pole piece by swing roller subassembly transmission, wherein, the approach roller subassembly is after approaching the first winding reel, with the first winding reel curling pole piece, and the winding diameter increases, and the approach roller subassembly is away from the first winding reel gradually while winding diameter increases, thereby the approach roller keeps the contact pressing with pole piece in the pole piece winding process. Through the follow -up design of approach roller, reduce the distance of traditional winding swing arm last roller to winding shaft, avoid the fluctuation caused by the too long path in the winding process to cause the end face misalignment, white space and wrinkle phenomenon, and the use of winding pressure roller can make the tension of winding reduce and avoid the wrinkling phenomenon in the winding process.

The invention discloses a sample temperature and humidity control experiment device of a small-angle neutron scattering spectrometer, which comprises a shell assembly, a heat preservation medium conveying mechanism and a reaction medium conveying mechanism, and is characterized in that the shell assembly comprises a shell, an incident window and an emergent window, the shell is provided with an incident port, an emergent port, an incident channel and a scattering channel, the incident window is installed at the incident port, and the scattering channel is installed at the emergent port; the emergent window is mounted at the emergent opening, the incident window, the emergent window and the shell jointly define a sample cavity, and a heat preservation space is further formed between the inner wall and the outer wall of the shell; the heat-insulating medium conveying mechanism circularly conveys a heat-insulating medium to the heat-insulating space; and the reaction medium conveying mechanism circularly conveys a reaction medium with preset temperature and humidity to the sample cavity. The heat preservation medium circularly flowing in the heat preservation space arranged around the sample cavity can avoid fluctuation of temperature and humidity in the sample cavity, ensure uniformity of the temperature and humidity in the sample cavity, avoid water vapor generated by condensation of the reaction medium due to temperature change, further avoid interference of humidity and improve accuracy of neutron scattering experiment results.