319 results about "Pc controller" patented technology

The invention discloses a plunger pump type hydraulic injection moulding machine system driven by a servo motor. The system comprises an oil tank, a servo pump, a mould height motor, a mould clamping cylinder, an ejector cylinder, a movable ejection cylinder, a glue-ejecting cylinder, a glue-smelting motor and an electronic ruler measurement sensor and also comprises a computer controller, a pressure and speed comprehensive control module, a servo driver, the servo motor and a pressure sensor. The invention also discloses a control method of the plunger pump type hydraulic injection moulding machine system driven by the servo motor. In the control method, the pressure sensor and the torque control of the servo motor are adopted, the multilevel control of pressure and flow can be realized;real-time closed-loop control is adopted to control the pressure and flow during injection moulding; and in the control process, the instructions on the pressure and flow are compared with feedbacks in real time and some parameters such as the speed, pressure and current at each moment are controlled accurately, thus effectively realizing technical motions such as the mould open / closing, ejection, glue ejection and glue smelting of the injection molding machine and the closed-loop follow control of the oil cylinder. The method of the invention has the advantages of high precision, high speed and efficiency, energy-saving, environmental friend, low noise and the like.

The invention discloses an intelligent rewinding machine with constant linear velocity, constant tension and fixed wire length, comprising a linear velocity sensor, a tension automatic controller and a single spindle transmission control device, wherein a transmission cone table is directly fixed on an output shaft of a motor; a movable cone table is movably connected with a handle via a pin; the linear velocity sensor has the functions of detecting broken lines, linear velocity and length counting. When a tension detecting hook on the tension automatic controller detects that the tension of yarns is oversize, a swinging arm is controlled to rotate an angle so as to reduce the yarn bending degree of the flowing yarns and reduce the winding tension of the yarns, and vice versa. A computer controller on the single spindle transmission control device receives signals sent by the linear velocity sensor and controls the rotation speed and the broken lines of the motor to warn. As the gradual increasing winding diameter of the tube, the rotation speed of the tube is controlled to gradually slow, so that the winding linear velocity is constant; when the length of the yarns reaches the set value or the broken line signal is received, the power supply of the motor is cut off and the warning light twinkles.

A combined computer media player and computer controller is disclosed. The apparatus includes a main housing with media controls thereon and a processor therein. An input port for connecting a mass storage device to the processor so the processor has access to media files thereon. An optical disc reader located in the housing and connected to the processor so the processor has access to media files thereon. The media files are playable, controllable, mixable and modifiable by the media controls. The apparatus further includes media output ports on the main housing that are connected to the processor to output a media files for listening or viewing. An input port for connecting the apparatus to a computer is included so the apparatus can control software running thereon.

The invention discloses a fully automatic garment dyeing machine which comprises a frame, a dyeing cylinder arranged on the frame, a dye feed cylinder and a computer controller. An electromotor is arranged at the lower end of the dyeing cylinder and connected with one end of a rotating shaft through a transmission belt; the other end of the rotating shaft is connected with a rotating cage arranged inside the dyeing cylinder; a machine door is arranged on one side of the dyeing cylinder; a temperature sensor is arranged in the dyeing cylinder; and a heating cavity is formed on the outer side at the lower end of the dyeing cylinder. The fully automatic garment dyeing machine with the structure has the advantages of high automation and convenient control; and steam can not be directly sprayed to the dyeing cylinder when the dyeing cylinder is heated, so that the water bathing ratio in the dyeing cylinder is not influenced, and the dyeing effect is improved.

An authorization system for a firearm (10) includes an authorizing device (32) worn by the authorized user, and a firearm (10) with a fire control system, a computer controller (28), and a piezo-electric disabler (60). The computer controller (28) communicates with the authorizing device (32), and if no authorizing signal is received from the authorizing device, sends an electric output signal to the disabler (60) to prevent the fire control system from allowing the firearm to fire. The disabler, upon application of the electrical signal from the computer controller, cams the rearward moving trigger bar (52) of the fire control system clear of the hammer line (54) to disrupt the fire control system. Consequently, the firearm (10) will not fire.

The invention discloses a clutch closed-loop control system of double clutch gearbox and a control method thereof, belonging to the technical field of automobile gearbox and comprising: an oil pressure sensor, a PI controller and an adder, wherein the oil pressure sensor is fixedly arranged in a clutch actuating valve and outputs a hydraulic oil pressure signal to the PI controller, a signal output end of the PI controller is connected with an input end of the adder and outputs a feedback current and a target current, a signal receiving end of the PI controller is connected with an output endof the adder and receives a current erroneous value, and an instruction output end of the PC controller is connected with the clutch actuating valve and outputs a control current. The clutch closed-loop control system of double clutch gearbox overcomes the problems of being easily influenced by various interferences, inferior accuracy and the like in current closed-loop system, simplifies multi-controller structure in closed-loop system and enhances response time and reliability of the system.

The invention discloses a cash-on-delivery parcel delivery method and a pick-up method of an intelligent parcel delivery system. The cash-on-delivery parcel delivery method includes the steps of (1), the storage cell permission for a delivery company is set on an intelligent parcel delivery system management terminal; (2), postmen register and deliver by appointment; (3), delivery cell matching is performed by the intelligent parcel delivery system management terminal; (4), the postmen select the storage cells according to different parcels; (5), the postmen input login information to delivery cells; (6), the postmen select the storage cells and put the parcels into the storage cells after the storage cells are opened; (7), payment amount information of the corresponding parcels are saved in a PC(personal computer) controller. The pick-up method includes the steps of (1), the PC controller generates pickup information; (2), recipients receives the pickup information; (3) the recipients input the pickup information on the delivery cells; (4), the PC controller reminds the recipients to pay; (5), the recipients pay, then the storage cells are opened; (6), the recipients pick up the parcels. By the cash-on-delivery parcel delivery method and the pick-up method, cash-on-delivery parcels can be delivered and picked intelligently.

The invention relates to a control system of an opening-closing die motor and a push-out motor of a fully-electric injection molding machine, comprising a computer controller, a PLC (Programmable Logic Controller), an opening-closing die push-out driver, the opening-closing die motor and the push-out motor which are mutually connected. The invention also analyzes the motion characteristics and the dynamic characteristics of a toggle lever mechanism of a five-hinge die-closing double-toggle die closing mechanism object, provides a die protection implementation method of a die closing mechanismunder the driving of a fully-electric motor as well as a die closing mechanism control method and a field oriented control algorithm on the basis of a fuzzy adaptive theory from the angle of a control theory, meets the control requirements on three aspects of the die closing force, the speed, and the position, ensures the reliable closing of the molded die and realizes the opening-closing motion of the die and accurate and stably push-out of products from the die; and the designed DSP (Data Signal Processing) driver ensures that the system has stable reliability under the condition of high load and simultaneously improves the disturbance compensation.

The invention discloses a parcel pickup method for an intelligent parcel delivery system and solves the problems of troubles in parcel pickup and high labor cost of an existing parcel pickup method. The parcel pickup method comprises the following steps that (1) a postman delivers a parcel into a delivery cabinet; (2) a PC (personal computer) controller generates pickup information and sends the pickup information to a management terminal of the intelligent parcel delivery system for backup; (3) the management terminal of the intelligent parcel delivery system or a management terminal of a delivery company sends the pickup information to a receiver; (4) the receiver inputs the pickup information into the delivery cabinet; (5) the PC controller controls a storage grid with the parcel of the receiver to be opened; (6) the receiver picks up the parcel and closes the storage grid. According to the parcel pickup method, intelligent pickup of the parcel is realized, and the labor cost is low; 24-hour on-line parcel pickup service can be supplied; therefore, the convenience in pickup and the timeliness are quite high.

The invention discloses a parcel delivery method of an intelligent parcel delivery system. The parcel delivery method comprises the steps that (1) the usage quantity authority of a delivery company for storage cases is set through a management terminal of the intelligent parcel delivery system; (2) a postman registers to become a parcel delivery user and makes a delivery appointment; (3) the management terminal of the intelligent parcel delivery system is matched with a corresponding delivery cabinet and displays the number of storage cases which are empty at present; (4) the postman selects one corresponding empty storage case and makes an appointment; (5) the postman inputs logging-in information to the delivery cabinet, and the information is checked through a PC controller; (6) appointment information is retrieved through the PC controller and displayed on an operation interface; (7) the postman scans the list number of a parcel and selects one storage case, the storage case is opened under the control of the PC controller, and the postman puts the parcel into the storage case; (8) the postman repeats the step (7), and delivery of all parcels is finished. The parcel delivery method achieves intelligent delivery of the parcels, so that not only is delivery convenient, but also manpower cost is low.

An intelligent control system of a spreader is one adopting CAN bus EPEC mirocomputer controller and GRAF pattern display to monitor and control a spreader. The system can smoothly realize travel, direction changing forward and backward functions and constant spreading travel and super low consumtant speed contrl. The system applies Chinese words display, which is direct and straight. It can design and modifying spreading travel speed and turn-over radius and monitor actual travel speed and turn-over radius. It can monitor engines, and over alloperation parameters instead of part conventional instruments, makes routine maintenance prompt and mointor and alarm including over high water temperature, over low engine oil pressure and calibrate and rectify part parameters at site.

The invention belongs to the technical field of semiconductor processing, and discloses a laser micro hole processing method and a laser micro hole processing device, wherein the laser micro hole processing method comprises the steps of setting a laser micro hole processing device, setting a marking point on a to-be-processed work piece, fixing the to-be-processed work piece on a servo platform, then enabling an image positioning system to be aligned to the to-be-processed work piece, identifying the position information of the marking point by the image positioning system, determining the position needs micro hole processing on the to-be-processed work piece through a PC controller, and conducting laser processing. The laser micro hole processing device comprises a platform desk, a laser through-hole machine, the servo platform, the image positioning system and the PC controller, wherein the laser through-hole machine is arranged on the platform desk, a bracket is fixedly arranged on the platform desk, the image positioning system is arranged on the bracket, the servo platform is arranged on the platform desk, and the PC controller is connected with the image positioning system. The laser micro hole processing method and the laser micro hole processing device, provided by the invention, is high in processing efficiency, low in processing cost, and short in processing cycle.

The invention provides a germinator, which comprises a tank body, a ventilating device, a spraying device, a computer control cabinet, a temperature sensor, a thermocouple and a screen, wherein the computer control cabinet is in circuit connection with the spraying device, the ventilating device, the temperature sensor and the thermocouple to control spraying, temperature rising, temperature preserving and ventilating of related devices. A rice germinating process comprises the following steps: seeds are subject to sunlight activating, soaking and spreading; different process programs are set on a computer controller according to different varieties, and the seeds are sprayed, insulated and ventilated in each phase of germinating; the water temperature of a water pool before the rice is put in the tank is 60 DEG C; after the rice seeds are put in the tank, air temperature inside the tank rises to 45 DEG C and is preserved for 30 minutes; the air temperature is reduced to 34 DEG C and preserved for 15 hours; the air temperature is reduced to 29 DEG C until the seeds are completely germinated and can be out of the tank for mechanical sowing. By using the germinator, the seeds are ensured to germinate quickly, uniformly, evenly and strongly, and the germination rate is high.

The invention relates to a borehole three-component magnetic gradient measuring device which comprises an aboveground part and an underground part, wherein the aboveground part is provided with a reel truck, a cable, a power supply, as well as a computer controller with an input unit, a memorizer and an LCD display; the underground part is provided with a miniature borehole three-component fluxgate type magnetic gradiometer (3), a temperature sensor, a miniature borehole three-component gravity acceleration meter, an underground power supply, as well as an underground MCU (Microprogrammed Control Unit) in control connection with the magnetic gradiometer, the temperature sensor and the acceleration meter; in addition, a multiple-way switch converter and a 24-way analog-to-digital converter are further arranged, and the analog-to-digital converter is in signal connection with MCU of the aboveground part; all underground instruments are loaded in an exploring tube; and various underground measuring components are in signal connection with a multiplexer. The borehole three-component magnetic gradient measuring device provided by the invention is suitable for borehole magnetic gradient measurement and has the advantages of novel structure, accurate measuring effect, high efficiency, convenience in use and good self-control performance.

The invention provides an internal control type LED (light-emitting diode) nixie tube system and a control method thereof; the internal control type LED (light-emitting diode) nixie tube system can be freely installed according to actual requirements during engineering construction without an external controller under the condition that a demonstrating control program of each nixie tube is not burned in advance before leaving factory, and the code of each nixie tube is identified in advance; a user can update the demonstrating contents of the nixie tubes at any time; when the system works, each nixie tube can be independent of the system or keep pace with the system; and during maintenance, the nixie tubes at different positions can be used interchangeably. The internal control type LED (light-emitting diode) nixie tube system comprises a computer controller, a data converter and more than one internal controls units, wherein the computer controller comprises an LED (light-emitting diode) mapping dot matrix data module and a demonstrating control data module; each internal control unit comprises more than one group of LED (light-emitting diode) luminous elements, an LED (light-emitting diode) driving unit, a microprogrammed control unit (MCU) and a storage; the LED (light-emitting diode) driving unit is used for driving the LED (light-emitting diode) luminous elements; the microprogrammed control unit (MCU) is used for controlling data communication and the luminescence of the LED (light-emitting diode) through the LED (light-emitting diode) driving unit; and the storage provides a demonstrating control identification signal to be received and read by the microprogrammed control unit (MCU).

The computerized controller for industrial sewing machine includes operation unit, pedal, speed regulator, control unit, application unit board, power supply board and servo motor. The present invention has mainly DSP chip in the control unit for the software control of servo motor and various sewing program and Hall element-optoelectronic coder combination for the sewing machine needle positioning control. The present invention may be also connected to computer network for remote control and monitoring. The present invention may be used in the control of computerized flat sewing machine, embroidery machine, overseam sewing machine, etc.

The invention discloses an optical fiber multi-parameter detecting system for goaf traffic infrastructures. The optical fiber multi-parameter detecting system comprises a chaotic laser emitting device, a 2*2 optical fiber coupler, a first isolator, a first 3*3 optical fiber coupler, a third optical fiber polarization controller, an electro-optical modulator, a sinusoidal signal generator, a firstadjustable optical delay generator, a second erbium-doped optical fiber amplifier, a polarization scrambler, a second isolator, a third erbium-doped optical fiber amplifier, a fourth optical fiber polarization controller, an acousto-optic modulator, a pulse generator, a second 3*3 optical fiber coupler, a second adjustable optical delay generator, a third 1*2 optical fiber coupler, a second circulator, a fourth 1*2 optical fiber coupler, multi-core sensing optical fibers, a Bragg grating, a wavelength division multiplexer, a band-pass filter, an avalanche photoelectric amplifier, a first photoelectric detector, a second photoelectric detector, a third photoelectric detector, a high-speed collecting card, a computer controller, a spectrograph and a faraday rotator mirror. According to the optical fiber multi-parameter detecting system, the temperature, strain, vibration and displacement along the optical fibers are simultaneously measured in real time.

The invention discloses a device for depth maintenance of bottom-layer interfaces of a western digital hard disk. The device comprises a TTL master chip circuit board, a USB interface, a pin-type jack similar to a jack of an audio cable, a hole-type interface similar to an interface of an audio frequency extension cable and a two-row eight-core hole-type interface, wherein the USB interface and the pin-type jack are arranged in the circuit board. The USB interface of the circuit board is used for being connected with a PC controller. The two-row eight-core hole-type interface is connected with a two-row eight-core pin-type jack on the western digital hard disk. The pin-type jack similar to the jack of the audio cable is connected with the hole-type interface similar to the interface of the audio frequency extension cable. Observed from the front, a TTL master chip is connected with an RXD end and a TXD end of the two-row eight-core hole-type interface through a tenth pin and a fourteenth pin on the right side respectively. The two-row eight-core hole-type interface is connected with the two-row eight-core pin-type jack on the western digital hard disk. Bottom-layer information of the western digital hard disk is obtained through the RXD end and the TXD end. The invention further discloses a western digital hard disk bottom-layer communication method. By the adoption of the device for depth maintenance of the bottom-layer interfaces of the western digital hard disk and the bottom-layer communication method, whether next-step processing can be conducted on a fault hard disk through bottom-layer communication can be accurately judged.

The computer controller includes singlechip, temperature detection circuit, key entry circuit, sound hint circuit etc. The said each functional circuit is connected to relevant interface of the singlechip. The computer controller also includes circuit for testing conductivity of water composed of two exploring electrodes for water resistance, divider resistance and operational amplifier. One exploring electrode is connected to instant pulsing signal generated by singlechip. One route of another exploring electrode through divider resistance is connected ground, and another route is connected to common mode input end of operational amplifier. Output end of operational amplifier is connected to signal sampling pin of singlechip. The drinking water device ensures water quality by testing conductivity of water.

The invention relates to the technical field of washing machines, in particular to a multifunctional impeller type washing machine. The multifunctional impeller type washing machine comprises a shell, a face cover is connected to the top of the shell, an outer barrel is arranged inside the shell, an inner barrel is arranged inside the outer barrel, a water inlet pipe is connected to the upper portion of the outer barrel, a water outlet pipe is connected to the lower portion of the outer barrel, impellers are connected to the bottom of the inner barrel in a rotatable mode, a transmission device is arranged inside the shell, the inner barrel, the impellers and the transmission device are connected, the bottom of the inner barrel and the impellers are respectively provided with a plurality of air holes, and a heating drying device is arranged below the bottom of the inner barrel; the outer barrel is connected with a cold air inlet pipe, and an air exhaust fan for extracting internal moisture of the washing machine is arranged at the bottom of the face cover; a sterilizer is arranged above the inner barrel; a computer controller arranged on the shell is connected with the water inlet pipe, the transmission device, the heating drying device, the air exhaust fan and the sterilizer. The multifunctional impeller type washing machine is simple in structure, easy to manufacture and high in practicability, and washing water heating, washing, rinsing, spinning, efficient drying and sterilization are integrated together.

The invention discloses a device for deep repairing bottom interfaces of a Seagate hard disk. The device comprises a TTL master chip circuit board, an USB interface formed in the circuit board and a pin-type plug similar to an audio cable, and further comprises a hole-type interface similar to an audio extension cable and a four-core hole type interface. The USB interface in the circuit board is used for being connected with a PC controller, the four-core hole type interface is connected with a four-core pin type plug in the Seagate hard disk, and the pin-type plug similar to the audio cable is connected with the hole-type interface similar to the audio extension cable. When a TTL master chip is observed from the front face, a tenth pin and a fourteenth pin on the right side are connected with the RXD end and the TXD end of the four-core hole type interface respectively, the four-core hole type interface is connected with the four-core pin type plug in the Seagate hard disk, and bottom information of the Seagate hard disk is obtained through the RXD end and the TXD end. The invention further discloses a bottom communication method of the Seagate hard disk. By means of the device and the bottom communication method, whether next-step processing can be conducted on a fault hard disk through bottom communication or not can be accurately judged.

The invention relates to an electric rice cooker and particularly relates to an electric rice cooker which can automatically add and change water to control a water level and automatically filter rice water to obtain Zengziyan rice. At present, the electric rice cooker on the market can not filter rice water, thus the steamed rice is not suitable for all people as certain special crowds have special requirements on rice (such as requirements of diabetes on starch as little as possible). In order to improve the function of the existing electric rice cooker, the invention provides a full-automatic electric rice cooker for steaming rice, which can achieve the function incapable of being realized by the existing electric rice cooker, automatically cook rice into Zengziyan rice subjected to rice water filtration and automatically add and change water to control the water level and is suitable for all people. The electric rice cooker is composed of an outer cover (12), an outer container (4) and an inner container (5); and the outer cover (12) is provided with a vent hole (13) for discharging residual steam to ensure the safety. The outer container (4) is filled with water; the whole inner container (5) is drilled with holes with the diameter less than that of rice for containing rice and filtering out rice water; a water level sensor (3), a water inlet (8) and a water outlet (9) are arranged in the outer container (4); when the water level reaches a required water level, the water level sensor (3) gives out a signal to a computer controller (2); the computer controller controls a corresponding water inlet solenoid valve (8) or a water outlet solenoid valve (9) to open and close to control the water level and changing water; an electric heater (10) is arranged below the outer container (4); and the computer controller (2) controls the electric heater (10) to automatically heat and perform heat preservation to automatically cook rice into Zengziyan rice.

The invention discloses an automatic laser welding device with a CCD vision detection function and a welding method. The device comprises a laser device and a rack cover and further comprises a feeding device provided with a guide rail positioning benchmark, a clamp, a feeding shaft and a rotary pressing air cylinder and horizontally arranged on the laser platform, a two-dimensional laser arranged at one end of the laser platform and provided with a first laser head, a four-dimensional laser arranged at the other end of the laser platform and provided with a second laser head and a CCD vision positioning camera, and a PC controller arranged in the rack cover. The automatic laser welding device has the beneficial effects that the device obtains an image signal of a target through the CCD vision positioning camera, the PC controller calculates a corresponding target position and drives the device to conduct position positioning, the welding precision is improved due to use of machine vision and image processing, tool and product errors are avoided, and influences of human factors on product quality is avoided.

The invention provides an automatic arm binding strap control device for venous blood sampling. The automatic arm binding strap control device for venous blood sampling comprises an operating box installed on a movable supporting leg frame. A movable seat for seating a blood sampling operator and a movable seat for seating a person with blood to be sampled are arranged at the rear end and the front end of a box bottom plate of the operating box respectively. The person with blood to be sampled is seated on the corresponding movable seat and places one arm in an elastic binding strap of a tensioning controller from one side of the semicircular box wall of the operating box, wherein the elastic binding strap stretches out from a binding strap slit in the upper side of an operating platform; a computer controller is arranged at the rear end of the operating box and controls a transmission controller to drive the tensioning controller through a data line, and the elastic binding strap where the arm of the person with blood to be sampled is placed is automatically tensioned to a suitable tightness degree, so that venous blood is prevented from flowing back, the vein of the arm of the person with blood to be sampled is exposed, and then blood sampling is completed. The automatic arm binding strap control device has the advantages that the arm binding strap control device with the automatic detection and tightness degree control functions is developed, batched blood sampling is conveniently, rapidly and safely completed, and problems existing in blood sampling are solved.

The invention relates to a fingerprint / password computer controller with the dual protection of fingerprints and a password keyboard. The fingerprint / password control device provided by the invention comprises a data acquisition computer and a control unit, wherein the control unit is connected with the data acquisition computer by connecting cables, and the data acquisition computer comprises a computer panel, the password keyboard arranged on the computer panel, and a displayer which is arranged on the computer panel and is used for displaying input contents; and numeric keys on the password keyboard are respectively provided with a fingerprint acquisition device which can acquire fingerprints. The fingerprint / password computer controller has the advantages of high safety and good secrecy, and is easy for installation.

The invention provides a washing machine variable frequency motor brake control method. The washing machine variable frequency motor brake control method comprises that after the high-speed dehydrating process of the washing machine, the rotating speed of the motor is controlled to be gradually reduced in a deceleration hierarchy progressive increase manner. The invention also provides a washing machine employing the washing machine variable frequency motor brake control method. The washing machine comprises a computer controller, a frequency conversion board and a motor. After the high-speed dehydrating process of the washing machine, a CPU on the computer controller sends a brake instruction to the frequency conversion board, after receiving the brake instruction, a CPU on the frequency conversion board drives the motor to work. According to the invention, after he high-speed dehydrating process of the washing machine, the motor can be slowed down smoothly, the motor can be braked within the required time, and loud noise can be avoided.

The invention discloses a device and a method for measuring yarn bending rigidity. The measuring device consists of a mass block, yarn clamps, fixed pulleys, yarns, a pressure head, brackets, a base, a uniaxial tensile testing machine, a computer controller and a CCD camera, wherein the base is fixedly arranged on a pedestal of the uniaxial tensile testing machine; the brackets are respectively fixed at the left and right ends of the base; the fixed pulleys are arranged at the upper ends of the brackets; the yarn clamps are fixedly arranged on the brackets; the yarns penetrate through the yarn clamps and the fixed pulleys; the mass block is connected with one end of the yarns; the pressure head is connected with a top beam of the uniaxial tensile testing machine; and the computer controller is connected with the uniaxial tensile testing machine and the CCD camera. The yarn bending performance characterization method provided by the invention is simple, and isotropic hypothesis is broken through; and moreover, the nonlinear characteristics of the yarn bending performance can be well characterized.

A method and apparatus for ultrasonically measuring the thickness of sputter targets of varying shapes. An immersion bubble (32) and transducer (36) provide pulses to a front surface (24) and a front surface / bonded surface (26) interface of a target. The pulses generate reflected echoes that are converted to electric signals. By measuring the difference in time that the electric signals occur the thickness of the target may be approximated to identify whether the thickness of the target is appropriate for use. The system includes a sputter track (15), specimen (20), chuck (28), nozzle (34), columns (60), opening (62), inlet (70), cable (58), gauge (59), turret (90), position (92), remote PC controller (110), electrical line (112), and rear part (84).

The invention relates to a steam box pre-decompression device. A steam box comprises an internal steam cavity and a computer controller. The steam box pre-decompression device comprises a steam outlet, a separation blade and a power component, wherein the steam outlet is formed in the surrounding wall of the internal steam cavity, the separation blade is movably arranged at the position of the steam outlet, can cover the steam outlet to block the steam outlet, and can also be removed from the steam outlet to open the steam outlet, the power output end of the power component is connected with the separation blade and can drive the separation blade to cover the steam outlet or be removed from the steam outlet, and the power component is connected with the computer controller. Compared with the prior art, the steam box pre-decompression device and method have the advantages that due to the arrangement of the steam outlet in the surrounding wall of the internal steam cavity, when food cooking is to be finished, the power component can be controlled by the computer controller to drive the separation blade to be removed from the steam outlet so that steam inside the steam box can be decompressed in advance.