303 results about "Infrared emitter" patented technology

The invention discloses an automatic hoisting and positioning system and method for prefabricated parts, and relates to the technical field of building construction. The system comprises a tower crane, a frequency conversion trolley, a three-axis pan-tilt stabilizer, a receiver positioning device and an infrared emitter which are coaxial, an intelligent terminal control system with a pre-stored BIM model, and an integrated inertial sensing unit and a dome camera monitoring system. The intelligent terminal generates target coordinates through the BIM positioning reference module, the real-time deviation calculation module quantifies three-dimensional positioning and axis perpendicularity deviation, and the compensation instruction generation module drives targeted adjustment; through combination of infrared dual-mode switching, frame line deviation correction and inertia swing dynamic suppression, precise positioning and obstacle avoidance cooperation is realized. According to the method, through the closed-loop process of benchmark setting, obstacle avoidance lifting, fine compensation and standard confirmation, it is guaranteed that the positioning deviation is not larger than 0.8 mm, the axis perpendicularity is not larger than 0.3 degree, and the inertia swing is not larger than 10 cm, the problems that traditional hoisting is poor in precision and large in inertia interference are solved, and the installation quality and the operation efficiency are improved.

The utility model relates to the technical field of drop hammer impact experiments, in particular to a drop hammer impact experiment device for pipeline detection, which comprises a pipeline storage box, an impact drop hammer structure is arranged above the pipeline storage box, and a repeated springback prevention structure is mounted on the upper surface of the pipeline storage box. And the repeated springback prevention structure comprises a fixing block, a first electric telescopic rod, a bulletproof baffle, an infrared transmitter and an infrared receiver, a pipeline clamping structure is arranged in the pipeline storage box, and a groove to be hammered and punched is formed in the upper surface of the pipeline storage box. According to the utility model, the falling impact hammer can be prevented from repeatedly and continuously impacting the pipeline to be detected by the falling impact hammer through fixing and clamping after the falling impact hammer is impacted by the repeated springback prevention structure, so that the impact detection result is prevented from being influenced, and the accurate detection value of the pipeline cannot be obtained.

The utility model relates to the technical field of textile, and discloses a needle inspection machine for textile, which comprises a feeding conveyor, an inspection machine body is arranged on the feeding conveyor, a connecting frame is fixedly mounted between the feeding conveyor and a first discharging conveyor, movable rollers are uniformly and rotatably mounted on the connecting frame, a mounting frame is fixedly mounted on the connecting frame, and the movable rollers are rotatably mounted on the mounting frame. An auxiliary classification assembly is arranged on the installation frame, an infrared emitter is fixedly installed on one side of the connecting frame, and an infrared receiver is fixedly installed on the side, opposite to the infrared emitter, of the connecting frame. According to the utility model, the auxiliary classification assembly is arranged, unqualified textiles are pushed to the unqualified product collection area for centralized collection, and qualified textiles can be normally conveyed to the qualified product collection area for centralized collection, so that the textiles are classified and collected in a centralized manner when broken needle inspection is carried out on the textiles; subsequent personnel can conveniently carry out centralized treatment on unqualified textiles containing broken needles, and the overall inspection and treatment efficiency is improved.

A cooking appliance for cooking food has a cooking chamber (14), at least one infrared emitter (28) for heating food arranged in the cooking chamber (14), and a microwave source for supplying microwaves to the cooking chamber (14). The cooking appliance has a reflector with at least one reflector tube (34) that directs infrared rays (42) from the infrared emitter (28). The reflector tube (34) is dimensioned such that it acts as a microwave shield for the infrared emitter (28).

The special-shaped angle cutting machine for the coop supporting beam comprises a workbench, an installation frame is vertically installed on the surface, close to the edge, of the top of the workbench, a driving air cylinder is installed on the surface of the top of the installation frame, and the output end of the driving air cylinder penetrates through the surface of the installation frame to be connected with an installation plate. A mounting block is movably mounted on the surface of the bottom end of the mounting plate, a cutting blade is vertically mounted on the surface of the bottom end of the mounting block, a threaded rod is vertically mounted at the top of the mounting block, and an arc-shaped sliding way is formed in the surface of the mounting plate in a penetrating mode. According to the special-shaped cutting device for the coop supporting beam, the mounting plate, the arc-shaped sliding way, the mounting block, the cutting blade, the threaded rod, the threaded extrusion cylinder and the rotating cover are arranged and used in cooperation, the direction of the cutting blade can be adjusted conveniently, and therefore special-shaped cutting of the coop supporting beam can be achieved; and the coop supporting beam can be conveniently and rapidly positioned when being cut.

The invention discloses an automatic seam aligning and correcting device for submerged-arc welding based on infrared positioning, relates to the technical field of submerged-arc welding, and aims to solve the technical problems that a worker needs to manually align a seam at present, the efficiency is low, the precision is poor, and the labor intensity is high. Comprising a machining table, a moving mechanism arranged on the machining table, a welding mechanism arranged on the moving mechanism and a correcting mechanism arranged on the welding mechanism, the moving mechanism comprises a moving box arranged at the rear end of the machining table, the welding mechanism comprises a fixing plate, and an infrared emitter and a camera are arranged at the lower end of a third mounting plate. And the correcting mechanism comprises a correcting pipe, a sixth mounting plate and a scraping plate, and the correcting pipe is mounted at the tail end of the fourth mounting plate. The automatic welding device has the advantages that the welding gun can be automatically monitored and adjusted, compulsive deviation correction is achieved in cooperation with the correction pipe, welding precision is guaranteed, the pressure plate controls the size of a welding seam, the scraper automatically cleans welding slag, the welding efficiency and quality are greatly improved, and the labor cost is reduced.

A portable optical spectroscopy system may provide noninvasive imaging of human tissue. The system may comprise a multi-wavelength near-infrared emitter source including at least one multi-chip light source configured to sequentially emit light at multiple wavelengths. A local controller may be configured to control a light emission sequence at two or more wavelengths. A sensor may be aligned in reflectance geometry with the emitter sources and configured to detect diffusely reflected near infrared light from biological tissue. A remote processor may be configured to reconstruct two-dimensional images of tissue optical properties in real time. Sequential NIR illumination from at least one source may be aligned with the sensor detector. The multi-wavelength near-infrared emitter source may comprise wavelengths selected from 670 nm, 810 nm, and 950 nm corresponding to absorption characteristics of deoxyhemoglobin, oxyhemoglobin, water, and fat. The system may generate cross-sectional images displaying spatial distribution of tissue constituents.

A display may use a waveguide to provide image light to an eye box. An emitter may emit infrared light collimated at different angles relative to a collimated axis and divergent along an orthogonal axis. The waveguide may propagate the infrared light and may include overlapping one-dimensional diffractive gratings with parallel periodic structures. Each grating may diffract, towards the eye box, a respective portion of the infrared light from a respective incident angle onto a respective output angle relative to the collimated axis. A camera may capture glints of the infrared light as reflected off a user's eye at the eye box for performing gaze tracking. The emitter and the gratings may effectively form a one-dimensional line of infrared emitters overlapping the eye box while allowing the optical emitter to remain invisible to a user.

The application discloses a kind of multi-modal signal acquisition device and system of fusion near infrared and ear brain electricity, for brain electricity signal acquisition, including earphone main body, earplug ear electricity collector, near infrared emitter, detection device;Wherein, the earphone main body is ear cover type structure;The earplug ear electricity collector is fixedly connected with the inner wall of ear cover of the earphone main body, and the earplug ear electricity collector is compatible with human ear;N the near infrared emitter is installed in the ear cover and scalp contact place of the earphone main body;M the detection device is installed in the ear cover and scalp contact place of the earphone main body.The electrode of the present application is fully contacted with human body, and is stably contacted in a large area, and is not easy to slide or fall off, and the concealment is considered.

The utility model discloses a position correcting and deviation rectifying device for printing of a square-bottom valve bag, and particularly relates to the technical field of printing of the square-bottom valve bag, the position correcting and deviation rectifying device comprises a printing machine, and two sets of limiting assemblies distributed front and back are arranged on a workbench of the printing machine; the limiting assembly comprises a shell fixed to a workbench of the printing machine, a plurality of limiting blocks are fixed to the top end and the bottom end of the interior of the shell, and a guide wheel is rotationally connected between each limiting block and one side wall of the interior of the shell. A plurality of infrared emitters and a plurality of infrared receivers are fixed to the top end and the bottom end in the shell respectively, the infrared emitters and the infrared receivers are arranged on the side, away from the guide wheel, of the limiting block, and each infrared receiver is located under the corresponding infrared emitter. The square bottom valve bag printing device can greatly reduce the probability of printing deviation, improves the printing quality of a square bottom valve bag, is suitable for continuous printing operation, and is high in processing efficiency.

The invention belongs to the technical field of medical treatment, and particularly relates to a thoracic surgery multi-cavity thoracocentesis drainage device which comprises a transparent shell, two hydrops tanks are arranged in the transparent shell, a puncture needle is arranged above the transparent shell, and a drainage tube is fixed to one end of the puncture needle; a micro motor is installed at the bottom end of the transparent shell, two rolling wheels are rotationally connected into the transparent shell, the two rolling wheels are sleeved with a moving plate, mounting frames are arranged on the two sides of the interior of the transparent shell, and an infrared transmitter and an infrared receiver are installed on one sides of the two mounting frames correspondingly; wherein one liquid accumulation tank is arranged between the infrared transmitter and the infrared receiver, and one mounting frame is further provided with a distance sensor. The micro motor rotates to drive the movable plate and the standby liquid accumulation tank to move towards the liquid accumulation tank filled with liquid, and the lifting plate is separated from the connector, so that the liquid accumulation tank filled with liquid is conveniently replaced by the standby liquid accumulation tank.

A compression therapy device includes an inflatable body enclosing an elongate passage. The elongate passage defines an interior of the compression therapy device. The compression therapy device also includes a liner attached to the inflatable body. The liner includes a window. The compression therapy device also includes an elongate infrared emitter configured to emit infrared radiation away from the inflatable body and into the passage through the window. The elongate infrared emitter is substantially aligned with a lengthwise direction of the elongate passage.

The utility model provides an infrared distance measuring structure, an infrared distance measuring device and a self-moving robot, and the infrared distance measuring structure comprises an infrared transmitter, a first infrared receiver, a second infrared receiver, a circuit board, a first limiting structure, and a second limiting structure. The first limiting structure is used for limiting the receiving range of the first infrared receiver to be a first receiving range, and the second limiting structure is used for limiting the receiving range of the second infrared receiver to be a second receiving range. According to the infrared distance measurement structure, the infrared distance measurement device and the self-moving robot provided by the utility model, infrared signals at different angles are detected through the plurality of infrared signal receivers, and the distance of an obstacle is judged according to the condition that whether signals received by each infrared signal receiver exist or not, so that the self-moving robot is driven to avoid the obstacle; and the distance of the obstacle is not judged through the infrared signal intensity in the related technology, so that the detection precision is higher, and the interference in the detection process is smaller.

The utility model relates to the technical field of hollow glass, and discloses a hollow glass integrated forming device which comprises a bearing plate, the top of the bearing plate is provided with a fixing assembly and an auxiliary assembly, and the auxiliary assembly is located on the side face of the fixing assembly. Through cooperative use of the fixing frame, the limiting plate, the protective pad, the infrared emitter and the infrared receiver, accurate positioning of hollow glass in the machining process is achieved, the machining precision and stability are remarkably improved, the fixing frame serves as a supporting structure, the stability of the whole equipment is ensured, and the machining efficiency is improved. A hydraulic telescopic rod can adjust the position of a limiting plate according to actual requirements, it is ensured that the limiting plate accurately reaches a preset position, the limiting plate and a protective pad work cooperatively, displacement of the hollow glass in the machining process is prevented, the protective effect is achieved, damage caused by collision is avoided, and due to the arrangement of an infrared emitter and a receiver, the machining precision is improved. And a worker can easily recognize the quality problem of the hollow glass, so that the practicability of the equipment is enhanced.

The utility model discloses a carbon fiber cured felt trimming workbench which is characterized in that an equipment base is connected with a workbench bottom plate in a sliding manner, and the top of the workbench bottom plate is connected with a workbench walking driving toothed belt; a hollow rotating shaft is installed in a bearing chamber and a support of the bearing chamber through a workbench rotating bearing, the bottom of the hollow rotating shaft is connected with a high-pressure induced draft fan, the top of the hollow rotating shaft is connected with a replaceable air suction workbench face through a workbench face fixing and connecting flange, and a cylinder barrel of a workbench face rotating air cylinder is fixed outside the bearing chamber and the support of the bearing chamber. A cylinder rod of the working table top rotating air cylinder is connected with the hollow rotating shaft, and a linear infrared emitter is arranged above the replaceable air suction working table top. According to the utility model, the cutting effect is the same as that of an engraving machine, burrs on the edge are far less than those processed by the engraving machine, and the size error is not higher than that of the engraving machine; the machining speed is 8-10 times that of an engraving machine, the machining speed is greatly increased, and cost is reduced.

The application provides a narrow pulse integral positioning sensor analog front-end circuit, and belongs to the technical field of sensors.The narrow pulse integral positioning sensor analog front-end circuit comprises a long-wave sensor, a pulse sampling compensation circuit, a filter integration circuit, a thermal number conversion circuit, a phase generation circuit, a separable drive circuit and an infrared emitter, the input end of the long-wave sensor is connected with the pulse sampling compensation circuit, the output end of the pulse sampling compensation circuit is connected with the input end of the filter integration circuit, the thermal number conversion circuit is connected with the phase generation circuit and the filter integration circuit respectively, the output end of the phase generation circuit is connected with the separable drive circuit and the pulse sampling compensation circuit respectively, and the output end of the separable drive circuit is connected with the infrared emitter.The narrow pulse integral positioning sensor analog front-end circuit has the advantages of low cost, high efficiency, high precision and good practicability.

Embodiments of the present application provide an infrared touch scanning method and apparatus, a storage medium, and an interactive tablet. The method is applied to an infrared touch frame, the infrared touch frame comprises a plurality of side frames, infrared receivers and infrared emitters are provided in each side frame, and the infrared receivers in each side frame are divided into a plurality of infrared receiving groups. The method comprises the following steps: sequentially selecting infrared receiving groups one by one on the basis of a preset order, and controlling each infrared receiver of each selected infrared receiving group to start scanning; on the basis of each selected infrared receiving group, controlling corresponding infrared emitters to sequentially emit infrared signals; and on the basis of the infrared signals obtained by scanning of the infrared receivers, determining a touch position. Therefore, the infrared touch detection precision is improved, and the problem of touch misjudgment is reduced.

The utility model belongs to the technical field of automatic driving, and particularly relates to an automatic driving robot which is composed of a fixing support and a head structure, the head structure is movably connected with the fixing support, the fixing support is fixed on a seat of a cockpit, and a scene collecting mechanism and a view range moving mechanism are arranged in the head structure. The scene acquisition mechanism comprises a simulation left eye and a simulation right eye, and the visual field range moving mechanism comprises a head rotating structure and an eyeball rotating structure. According to the utility model, the infrared emitter and the dynamic camera in the simulation eye are used for collecting scenes in the driving process of an automobile, the rotation of eyeballs is realized through the reciprocating structure connected with the simulation eye, the sight range of the simulation eye is increased, and the visual field activity range mechanism is also arranged in the simulation eye, so that the visual field of the automobile can be simulated. And the view collection range is increased through the view activity range mechanism.

The utility model discloses a quick counting device for a coin sorter, which comprises a feed bin and a discharge bin, the lower end of the feed bin is connected with the upper end of the discharge bin through an obliquely arranged coin channel, the coin channel only allows a single coin to pass through, and two groups of detection units are mounted on the coin channel. The detection unit comprises an infrared transmitter and an infrared receiver which are arranged opposite to each other, the infrared receiver is used for receiving signals of the infrared transmitter, the infrared transmitter and the infrared receiver are arranged on two sides of the coin channel, the infrared transmitter and the infrared receiver are respectively connected with the coin channel through a support, and the infrared transmitter and the infrared receiver are connected with the coin channel through a support. The transmitting end, directly facing the infrared transmitter, of the coin channel and the receiving end of the infrared receiver are provided with receding holes in a penetrating mode, and a material guiding assembly is installed in the feeding bin. The rapid counting device for the coin sorter has the advantages of being capable of improving counting accuracy, simple in structure and convenient to use.

The utility model discloses a wireless musical instrument receiver, which relates to the technical field of wireless musical instrument receivers, and comprises a front cover and a rear cover, the rear cover is arranged on one side of the front cover, the front cover is provided with an insertion groove, the rear cover is provided with an abutting part, and the abutting part can be matched with the insertion groove on the front cover in an insertion manner. A circuit board is further arranged on the side, located on the front cover, of the rear cover, an antenna is arranged on the top of the circuit board, an audio insertion nozzle is arranged at the bottom of the circuit board, and the infrared signal receiving module is responsible for receiving signals from an external infrared transmitter and converting the signals into electric signals for being processed by the circuit board. Received signals are decoded and processed on the circuit board and converted into audio signals, the audio signals are output to external audio equipment through the audio insertion nozzle to be played, signal transmission is carried out through infrared rays, and a transmission path has directivity, so that interference of an external environment can be effectively reduced, and the transmission efficiency is improved. And the stability of signal transmission is improved to a certain extent.

The invention discloses a photovoltaic glass calendering defect position accurate positioning device and method.The photovoltaic glass calendering defect position accurate positioning device comprises an upper roller, a positioning device body and a ruler arranged on the positioning device body, the positioning device body is arranged beside the upper roller, and the positioning device body comprises a first movable base and a first lifting table top arranged on the first movable base; movable universal wheels are arranged at the bottom of the first movable base, a first lifting component is arranged between the first lifting table top and the first movable base and comprises a first lifting motor, a second lifting motor and a third lifting motor, and a first butt joint groove, a second butt joint groove and a third butt joint groove are formed in the bottom of the first lifting table top; and the ends of the first lifting motor, the second lifting motor and the third lifting motor are detachably connected with the first butt joint groove, the second butt joint groove and the third butt joint groove, and a first detachable support is arranged on the first lifting table top. The device has the beneficial effects that the accurate positioning of the position of the photovoltaic glass calendering defect is improved, and the convenient movement of the infrared emitter is improved.

The application discloses a radiation cooling metamaterial capable of color display through polarization control, realizes diversified color display and high-efficiency cooling performance, and is composed of two parts, wherein the upper layer is an infrared emitter composed of a silicon dioxide cone and a titanium dioxide / silicon dioxide / PDMS multilayer film, has high emissivity in the atmospheric window of 8-13 microns, and realizes the cooling function; the lower layer is a visible light selective reflector composed of a silver / silicon dioxide multilayer elliptical cylinder and a silver layer, has high visible light reflectivity, and realizes polarization-controllable color display. The design can realize the adjustment of color display in various ways through the adjustment of the structure and the polarization angle, and the average emissivity in the atmospheric window reaches 96.62%, thereby realizing good cooling function. The radiation cooling metamaterial capable of polarization-controllable color display without additional energy source has a wide range of applications and can be effectively applied in the fields of energy-saving buildings, electronic equipment, personal thermal management and the like.

The invention provides an outdoor grating anti-interference system, which comprises at least one path of infrared emission device used for emitting an infrared coding optical signal representing the unique identity of the infrared emission device; the infrared coding light signal is a pulse sequence emitted in an instantaneous high driving current state within the single maximum continuous light emitting duration, the pulse sequence is composed of a plurality of discrete light emitting pulses with the same width, and the sum of the widths of the light emitting pulses is equal to the single maximum continuous light emitting duration; the at least two paths of infrared receiving devices are used for receiving the infrared coding optical signals from the same infrared transmitting device at the same time; the coding processing unit is connected with the infrared receiving devices and is used for decoding the infrared coding optical signals received by each path of infrared receiving devices; only when all infrared receiving devices corresponding to the same light path cannot correctly decode the identity label from the infrared coding light signal of the light path, it is judged that the light path is shielded. The shielding misjudgment can be reduced, and the anti-interference capability of the outdoor grating is improved.

The utility model relates to welding fixture technical field, concretely relates to laser calibration welding fixture of welding of gate valve, including processing panel, be provided with a plurality of positioning hole on processing panel, the top of processing panel is provided with the roof, the bottom fixed mounting of roof has a plurality of infrared emitter for laser calibration, the below of processing panel is provided with the bottom plate, the upper surface of bottom plate is fixed mounting has a plurality of infrared receiver, infrared receiver, infrared emitter and corresponding positioning hole are located on same vertical axis, the upper surface of processing panel is fixed mounting has a plurality of air cylinders, and the telescopic axle end of air cylinder detachably installs the clamping plate for clamping fixed to workpiece. The utility model can carry out laser calibration and stable clamping fixed operation, and it is convenient to use.

The utility model provides a label double-identification detection device and a high-speed labeling machine. The label double-identification detection device comprises a conveying assembly, a labeling assembly, an image detection assembly, a photoelectric detection assembly and a processing module, wherein the image detection assembly and the photoelectric detection assembly are sequentially arranged in the conveying direction of the conveying assembly; a camera of the image detection assembly is arranged close to the outlet end of the labeling assembly; the photoelectric detection assembly comprises an infrared transmitter and an infrared receiver, and the infrared transmitter is located on one side of the conveying assembly and is adjacent to the camera; the infrared receiver is arranged on the conveying assembly on the opposite side of the infrared transmitter; the external receiver, the infrared emitter and the image detection assembly are electrically connected with the processing module. According to the device, through cooperative use of the image detection assembly and the photoelectric detection assembly, double recognition of bottle body labels is achieved, the structure of the photoelectric detection assembly is simplified, the processing speed of the photoelectric detection assembly is increased, the probability of label missing detection is reduced, and the device is particularly suitable for application of a high-speed labeling machine.

The present application provides a button module and an electronic device. The button module comprises a cover plate, a first detection assembly, and a second detection assembly, wherein the cover plate comprises a first region for arranging the first detection assembly and a second region for arranging the second detection assembly, the first detection assembly is an optical heart rate detection module or an electrocardiogram detection module, and the second detection assembly is one or more of a camera, an ambient light sensor, a fingerprint detection module, an infrared emitter, a distance sensor, and a body fat detection module. The button module is used for detecting a user operation on the button module. By integrating the first detection assembly and the second detection assembly on the button module, the functions of the button module can be further expanded, facilitating multifunctionalization of the electronic device.

This utility model relates to the technical field of mining conveyors, and in particular to a laser monitoring and alarm device for conveyor belt faults. It includes a monitoring mechanism and a return mechanism mounted on the belt frame. The monitoring mechanism includes a fixing component mounted on the belt frame. A U-shaped connecting rod is fixedly connected to the fixing component. An infrared transmitter and an infrared receiver are slidably connected to both ends of the U-shaped connecting rod via adjusting components. A PLC controller and an alarm light are also mounted on the U-shaped connecting rod. The PLC controller is communicatively connected to both the alarm light and the infrared receiver. This application facilitates timely inspection by operators and reduces the probability of belt misalignment leading to wear and material spillage.

An aerosol generating device, comprising a chamber (232); an infrared emitter (230) having a tubular base (231) and an infrared emitting coating (233) formed on the outer surface of the tubular base (231); a conductive element abutting against the infrared emitting coating (233) to perform conduction with the infrared emitting coating (233); a retaining mechanism configured to extend in an axial direction of the infrared emitter (230) and surround the infrared emitter (230), and used for supporting the infrared emitter (230) and the conductive element, wherein the conductive element is located between the retaining mechanism and the infrared emitter (230) in a radial direction of the infrared emitter (230), and abuts against the infrared emitting coating (233) under the support of the retaining mechanism; and a battery cell (14) electrically connected to the conductive element to supply power to the infrared emitting coating (233).

The utility model relates to permanent conductor point technical field discloses a high accuracy downhole permanent conductor point with calibration mechanism, including installation sleeve, the inside installation of installation sleeve has bifurcation copper sheet, and the bottom of installation sleeve installs the fixing frame. This high accuracy downhole permanent conductor point with calibration mechanism is through being provided with support sleeve, infrared emitter and second bolt, and the position of sleeve can be conveniently judged manually by staff infrared emitter, thereby the installation position of the device is conveniently calibrated, prevents the device accidental deviation and influences subsequent use, the fixed sleeve is sleeved at the middle position outside bidirectional screw rod, after the good sleeve, the second bolt is screwed into the inside of fixed hole and is limited to the fixed block fixed, makes the fixed sleeve fixed at the middle position outside bidirectional screw rod and can install and fix infrared emitter, solves the place of inconvenient calibration installation, and the problem that the infrared emitter is inconvenient to install is prone to deviation.

The present application relates to the technical field of stirring device, especially to a high-efficiency enzymatic fermentation soy sauce fermentation stirring device, which comprises a double-layer tank body, a tank cover is installed on the top of the double-layer tank body, a plurality of equiangularly arranged peripheral stirring pipes are installed through the surface of the tank cover, a central stirring pipe is installed through the surface center of the tank cover, a stepping motor is connected to the surface of the central stirring pipe through a transmission mechanism, an infrared emitter is installed on the top end of the central stirring pipe, an infrared receiver is installed on the top end of each of the plurality of peripheral stirring pipes, and the positions of the infrared receiver and the infrared emitter correspond to each other.The present application ensures that the components of the whole tank of soy sauce are uniform, avoids local salinity / concentration deviation, and makes the gas bubbles broken into smaller size through gas collision, prolongs the bubble residence time, improves the oxygen transfer efficiency, and reduces the energy consumption and time cost.