33 results about "Laboratory design" patented technology

The invention discloses a humanoid robot stable control method of an RBF-Q learning frame. The method comprises the following steps: the RBF-Q learning frame which solves the problems of state space serialization and behavior space serialization in a Q learning process is brought forward; an online motion adjusting stable control algorithm of the RBF-Q learning is brought forward, loci of the hip joint, the knee joint and the ankle joint of a support leg are generated, and a humanoid robot is controlled to walk stably through calculation of angles of other joints; and finally, the feasibility and validity of an RBF-Q learning frame method are verified on the Vitruvian Man humanoid robot platform designed by the laboratory. The method provided by the invention can generate a stable walking gait of the humanoid robot in an online learning process.

The invention discloses a laboratory waste gas exhausting system and a treatment method and relates to the field of waste gas treatment and laboratory design. The laboratory waste gas exhausting system comprises an organic fume hood or / and an inorganic fume hood or / and an organic ventilation arm or / and an inorganic ventilation cover, a spraying and acid removing device, a dehumidifying device, a variable frequency centrifugal draught fan and an activated carbon adsorption device, wherein the organic fume hood and the organic ventilation arm are connected to the dehumidifying device; after being connected with the spraying and acid removing device, the inorganic fume hood and the inorganic ventilation cover are connected with the dehumidifying device; the dehumidifying device, the variablefrequency centrifugal draught fan and the activated carbon adsorption device are connected in sequence. The whole device is simply integrated and the investment can be greatly saved when the device isused in a laboratory; the energy consumption can be effectively reduced, the adsorption period of activated carbon is improved and the life cycle of the activated carbon is prolonged.

The invention discloses a voice command conversion and translation execution system, and belongs to the technical field of design of an intelligent laboratory. The execution system comprises a voice commander, a control panel, a command translator, a wireless signal transmitter, a microphone, an electric door, a wireless signal receiver, a controller, an electric control water valve and a strong wiring harness, wherein both the control panel and the microphone are arranged outside the voice commander; the command translator and the wireless signal transmitter are arranged inside the voice commander; the electric door is arranged on the front wall of the laboratory; and the wireless signal receiver and the controller are arranged inside the top wall of the laboratory. According to the execution system disclosed by the invention, experimenters can open and close the doors of rooms of the laboratory and other equipment through voice. The execution system disclosed by the invention is reasonable in design and simple in structure, and the execution system is applicable to the design of a laboratory intelligent system.

The invention provides a remote control starting system of a fire extinguishing device, belonging to the technical field of a design of an intelligent laboratory. The remote control starting system comprises a voice command device, a control panel, a command translator, a wireless signal transmitter, a mini-type microphone, an electric door, a wireless signal receiver, a controller, an electric control water valve and a strong current wiring harness, wherein the control panel and the mini-type microphone are distributed at the outer part of the voice command device; the command translator and the wireless signal transmitter are arranged in the voice command device; the electric door is arranged on a front wall body of the laboratory; and the wireless signal receiver and the controller are arranged in a top wall body of the laboratory. According to the remote control starting system, an experimenter can control the opening and closing of a laboratory door and other equipment through voices. The remote control starting system has a reasonable design and a simple structure and is suitable for designing an intelligent system of the laboratory.

The invention provides an annular sample considering pressing force, which is characterized in that cushion blocks are fixed on the base surfaces of an upper pressing plate and a lower pressing plate to form a circular ring shape, and a lower pressing plate groove is reserved between the adjacent cushion blocks on the lower pressing plate; upper pressing plate grooves are formed in the upper pressing plate and between the adjacent cushion blocks; the width of the groove of the lower pressing plate is half of that of the groove of the upper pressing plate, each excitation coil on the annular sample is uniformly distributed in the groove of the lower pressing plate, and every two excitation coils are uniformly distributed in the groove of the upper pressing plate; the measuring coils are uniformly wound on the annular sample according to the grooves of the upper pressing plate, and the measuring coils are inserted between the two exciting coils in each groove of the upper pressing plate; and the upper pressing plate and the lower pressing plate are connected through the metal screw rod. According to the method, the error between the annular sample designed in a laboratory and annular sample application equipment in actual engineering is reduced, the manpower and material resource cost invested in the later period of the annular sample application equipment can be reduced to a certain extent, and the engineering design and application efficiency of the annular sample is improved.

The invention discloses a spatial layout design method and system for a laboratory. The method comprises the following steps: a server receives a laboratory plane layout request sent by a user, wherein the laboratory plane layout request comprises a laboratory plane profile diagram, size information of a laboratory plane profile, functional area information and position information of an electricbox, a water source and a gate in a laboratory peripheral profile; sending the laboratory plane layout request to an engineer, so that the engineer divides the outline of the laboratory plane into a plurality of functional areas and adds laboratory articles into the functional areas to generate a laboratory plane layout map; and receiving a laboratory plane layout sent by engineering personnel, converting the contour of the planar functional area into a three-dimensional wall body, and adding a three-dimensional model of an electric box, a water source, a gate and laboratory articles into thethree-dimensional functional area space to generate a laboratory three-dimensional layout. According to the invention, the laboratory design effect can be presented more quickly and visually.

The invention relates to a peanut vitamin E synthesis key gene and its application. Our laboratory designs primers based on analysis results of peanut transcriptome data, and adopts improved RACE technology to clone and isolate the cDNA sequence of peanut HPPD gene. The overexpression vector p35S::AhHPPD was constructed, and the model plant tobacco was transformed. The content of α-tocopherol in the transgenic tobacco and wild-type tobacco was analyzed by RP-HPLC. The results showed that the content of α-tocopherol in the transgenic tobacco increased by 2-3 times. It shows that AhHPPD cloned from peanut can encode functional p-hydroxyphenylpyruvate dioxygenase; the activity of AhHPPD can improve the important role of tocopherol such as α-tocopherol synthesis. This will help increase the content of vitamin E in peanuts, prolong the storage period and shelf life of oils and fats, and is of great significance.

The invention provides a control valve wall arrangement system and belongs to the technical field of intelligent laboratory design. The system comprises a wrist action identification device, a control panel, a wireless signal transmitter, an accelerator sensor, a geomagnetic sensor, a gyroscope, an electric door, a wireless signal receiver, a controller and a wire harness. The control panel is arranged outside the wrist action identification device. The wireless signal transmitter, a battery, the accelerator sensor, the geomagnetic sensor and the gyroscope are arranged in the wrist action identification device. The electric door is arranged on the front wall of a laboratory. The wireless signal receiver and the controller are arranged in the top wall of the laboratory. According to the invention, the experimental personnel can control the door of the laboratory and the on / off states of other devices only based on the wrist motion thereof. Therefore, the system is reasonable in design and simple in structure, thus being suitable for the intelligent system design of the laboratory.

A function-extension type intelligent mobile phone system, related to the technical field of intelligent laboratory design, comprises a mobile phone, a central processing unit, a radio signal transmission module, a control module, an electrically-operated gate, a radio signal receiver, a controller, an electronic-control valve and a strong-voltage wire harness; the central processing unit, the radio signal transmission module and the control module are arranged in the mobile phone and are connected by an inner wire harness; the electrically-operated gate is arranged on the front wall of a laboratory; the radio signal receiver and the controller are arranged in the top wall of the laboratory. By adopting the system, a laboratory staff can control the gate of the laboratory room and other devices through the mobile phone. The system has a reasonable design and a simple structure, and is applicable to the design of the intelligent system of the laboratory.

The invention discloses a humanoid robot stable control method of an RBF-Q learning frame. The method comprises the following steps: the RBF-Q learning frame which solves the problems of state space serialization and behavior space serialization in a Q learning process is brought forward; an online motion adjusting stable control algorithm of the RBF-Q learning is brought forward, loci of the hip joint, the knee joint and the ankle joint of a support leg are generated, and a humanoid robot is controlled to walk stably through calculation of angles of other joints; and finally, the feasibility and validity of an RBF-Q learning frame method are verified on the Vitruvian Man humanoid robot platform designed by the laboratory. The method provided by the invention can generate a stable walking gait of the humanoid robot in an online learning process.

A guide motor advancing / retreating direction control system belonging to the technical field of intelligent laboratory design comprises a mobile phone, a central processing unit, a wireless signal sending module, a control module, a wireless signal receiver, a controller, a high-voltage wiring harness, gantries, motors, and an air conditioning device. The central processing unit, the wireless signal sending module and the control module are arranged inside the mobile phone and are connected through an internal wiring harness. The motors are arranged on the gantries. The wireless signal receiver and the controller are arranged on the side wall of a workshop. In the invention, the staff can control on-off of the equipment in the workshop through the mobile phone. The guide motor advancing / retreating direction control system is reasonable in design, has a simple structure, and is applicable to the design of a workshop intelligent system.

An intelligent scientific research lab arrangement system belonging to the technical field of the design of intelligent labs comprises a mobile phone, a central processor, a wireless signal sending module, a control module, an electric door, a wireless signal receiver, a controller, an electric control water valve, a strong wiring harness and an electric control oil valve. The central processor, the wireless signal sending module and the control module are arranged inside the mobile phone and are connected to each other through inner wire harnesses. The electric door is disposed on a front wall of a lab. The wireless signal receiver and the controller are disposed inside the top wall of the lab. An experimenter can control the door of a lab and other devices to be on and off by means of the mobile phone. The intelligent scientific research lab arrangement system is reasonable in design and simple in structure, and is applied to the design of a lab intelligent system.

The invention discloses a cell preparation laboratory design scheme. According to the design scheme, the laboratory comprises a preparation chamber, and a logistics chamber, a treatment chamber, a human flow chamber and a monitoring chamber are arranged sequentially around the preparation chamber; a first preparation area is arranged between the monitoring chamber and the preparation chamber; a second preparation area is arranged between the human flow chamber and the preparation chamber; a cultivation chamber and a culture medium preparation room are arranged on the side, adjacent to the treatment chamber, of the inside of the preparation chamber, the cultivation chamber is adjacent to the culture medium preparation chamber, the cultivation chamber is adjacent to the logistics chamber, and the culture medium preparation chamber is adjacent to the second preparation area; the side, adjacent to the first preparation area, of the inside of the preparation chamber is provided with a sterile operation chamber and a fourth buffering chamber, the sterile operation chamber is adjacent to the logistics chamber and the cultivation chamber, and the fourth buffering chamber is adjacent to thesterile operation chamber and the second preparation area; a washing chamber and a disinfection chamber are arranged between the fourth buffering chamber and the cultivation chamber and the culture medium preparation chamber, the washing chamber is adjacent to the disinfection chamber, the washing chamber is adjacent to the sterile operation chamber, and the disinfection chamber is adjacent to the second preparation area.

The invention provides an anti-humanized multidrug resistant protein Fab antibody and a preparation method thereof, and belongs to the field of antibodies and preparation. The preparation method comprises the following steps: performing reverse transcription of general RNA of pathological tissue of colorectal cancer in multidrug resistance to cDNA; amplifying a P-gp transmembrane domain (amino acid 784-968) gene segment by a specific primer designed in a laboratory; cloning to a pET28a(+) carrier and converting E.coliBL21(DE3), IPTG; performing inducible expression at 30 DEG C; performing WesternBolt identification for an expression product purified by a nickel ion affinity column; using purified P-gp784-968 protein as an antigen, and using 17 heavy chain upstream primers and 5 heavy chain downstream primers; for 20 light chain upstream primers and 2 light chain downstream primers, elutriating a P-gpFab antibody library of a Comb3 carrier by P-gp784-968 peptide segment in prokaryotic expression for five rounds; and finally performing double digestion identification for clones obtained by elutriation and performing IPTG (Isopropyl-Beta-d-Thiogalactoside) inductive expression; and obtaining a positive clone strain after ELISA and WesernBlot identification from the expression product, and detecting the sequence to obtain PFab29. The invention lays foundation for preparing multidrug resistant drug for inhibiting tumors.

The invention provides a power supply cut-off control device during the occurrence of a dangerous accident and belongs to the technical field of intelligent laboratory design. The device comprises a wrist action recognition unit, a control panel, a wireless signal transmitter, an acceleration sensor, a geomagnetic sensor, a gyroscope, an electric door, a wireless signal receiver, a controller and wire harnesses. The control panel is arranged outside the wrist action recognition unit. The wireless signal transmitter, a battery, the acceleration sensor, the geomagnetic sensor and the gyroscope are arranged inside the wrist action recognition unit. The electric door is arranged on the front wall of a laboratory. The wireless signal receiver and the controller are arranged in the top wall of the laboratory. According to the technical scheme of the invention, the experimental personnel can control the door of the laboratory and the on / off states of other apparatuses only based on wrist actions. The device is reasonable in design and simple in structure, thus being suitable for the intelligent design of the laboratory.

The invention proposes a basin-type insulator life evaluation method based on artificial accelerated aging test. According to the characteristics of basin type insulators being closed, high temperature and long-term high voltage, the method uses a multi-factor laboratory to design an artificial accelerated aging test platform of electric and thermal comprehensive factors, and measures the characteristic quantities of multiple epoxy resin samples under different aging degrees. On this basis, analyze the experimental data, use the existing empirical formula, adopt the curve fitting technology and the Weibull probability distribution method, study the inner relationship between each aging factor, electrical test quantity and aging life, and will have an impact on the environment. The test data of epoxy resin material is connected with the aging evaluation of pot insulators, and a set of life evaluation methods for pot insulators is proposed.

An external control system of a water supply device in a lab, belonging to the technical field of intelligent lab design, comprises a wrist action identifier, a control panel, a wireless signal transmitter, an accelerator sensor, a geomagnetic sensor, a gyroscope, an electric door, a wireless signal receiver, a controller and a wire harness, wherein the control panel is arranged outside the wrist action identifier; the wireless signal transmitter, a battery, the accelerator sensor, the geomagnetic sensor and the gyroscope are arranged in the wrist action identifier; the electric door is arranged on the front wall body of the lab; and the wireless signal receiver and the controller are arranged in the top wall body of the lab. According to the external control system, an experimenter can control the opening and closing of a room door of the lab and the on and off states of other devices through wrist movement. The external control system is reasonable in design, simple in structure and suitable for lab intelligent system design.

The present invention provides a product hanging and traction mobile device, belonging to the technical field of the intelligent laboratory design. The product hanging and traction mobile device comprises a mobile phone, a central processing unit, a wireless signal sending module, a control module, a wireless signal receiver, a controller, a heavy current harness, a portal frame and a motor. The central processing unit, the wireless signal sending module and the control module are arranged in the mobile phone and connected with each other through an internal harness; the motor is disposed on the portal frame; and the wireless signal receiver and the controller are arranged at the side wall of a plant. According to the invention, workers may control the switch of facilities in the plant through the mobile phone. The product hanging and traction mobile device is reasonable in design and simple in structure, and is applicable to the design of an intelligent system of a plant.

A load-bearing chain four-direction moving device belonging to the technical field of intelligent laboratory design comprises a mobile phone, a central processing unit, a wireless signal sending module, a control module, a wireless signal receiver, a controller, a high-voltage wiring harness, gantries, motors, an air conditioning device, and a lighting device. The central processing unit, the wireless signal sending module and the control module are arranged inside the mobile phone and are connected through an internal wiring harness. The motors are arranged on the gantries. The wireless signal receiver and the controller are arranged on the side wall of a workshop. In the invention, the staff can control on-off of the equipment in the workshop through the mobile phone. The load-bearing chain four-direction moving device is reasonable in design, has a simple structure, and is applicable to the design of a workshop intelligent system.

The invention provides a water, electricity, oil and gas pipeline safety arrangement system, which belongs to the technical field of intelligent laboratory design. The water, electricity, oil and gas pipeline safety arrangement system comprises a voice commander, a control panel, a command interpreter, a wireless signal transmitter, a miniature microphone, an electrically-operated door, a wireless signal receiver, a controller, an electrically-controlled water valve and a strong electricity wire harness, wherein the control panel and the miniature microphone are arranged outside the voice commander, the command interpreter and the wireless signal transmitter are arranged inside the voice commander, the electrically-operated door is arranged on a front part wall body of a laboratory, and the wireless signal receiver and the controller are arranged in a top part wall body of the laboratory. According to the water, electricity, oil and gas pipeline safety arrangement system, the experimenter can control the opening / closing of a room door of the laboratory and the on / off of other equipment through voice. The water, electricity, oil and gas pipeline safety arrangement system is reasonable in design and simple in structure, and is suitable for design of intelligent systems of laboratories.

The invention belongs to technical field of design of intelligent laboratory and provides a wireless control device for a power switch. The device includes a wrist action recognizer, a control panel, a wireless signal transmitter, an accelerator sensor, a geomagnetic sensor, a gyroscope, an electric door, a wireless signal receiver, a controller and a wiring harness. The control panel is arranged on the outside of the wrist action recognizer; the a wireless signal transmitter, a battery, the accelerator sensor, the geomagnetic sensor and the gyroscope are arranged in the wrist action recognizer; the electric door is arranged on the front wall of the laboratory; and the wireless signal receiver and the controller are arranged in the top wall of the laboratory. In the present invention, the experimental personnel can control the opening and closure of the laboratory door and the switches of other equipment through the movement of the wrist. The device is simple in structure, reasonable in design, and applicable to laboratory intelligent system.

The invention discloses a plant culturing box mainly comprising LED illumination lamps, a circulating ingredient spraying device, a box door, a slide way, culture tanks, nutrient solution collecting tanks, temperature control buttons, a temperature display screen, humidity control buttons, a humidity display screen, and a thermal-insulation housing. With the plant culturing box, the illumination in a natural environment can be simulated to the greatest extent, so that photosynthesis of the plants is carried out better and the normal and healthy growth of the plants is ensured. Moreover, an effect of one device with multiple purposes is realized, so that the cost of adding or modifying the structure functions of the culturing box is saved. Moreover, the plant culturing box that is used andoperated simply and conveniently and has high controllability is suitable for promotion and application in the laboratory design field.

The invention provides an anti-humanized multidrug resistant protein Fab antibody and a preparation method thereof, and belongs to the field of antibodies and preparation. The preparation method comprises the following steps: performing reverse transcription of general RNA of pathological tissue of colorectal cancer in multidrug resistance to cDNA; amplifying a P-gp transmembrane domain (amino acid 784-968) gene segment by a specific primer designed in a laboratory; cloning to a pET28a(+) carrier and converting E.coliBL21(DE3), IPTG; performing inducible expression at 30 DEG C; performing WesternBolt identification for an expression product purified by a nickel ion affinity column; using purified P-gp784-968 protein as an antigen, and using 17 heavy chain upstream primers and 5 heavy chain downstream primers; for 20 light chain upstream primers and 2 light chain downstream primers, elutriating a P-gpFab antibody library of a Comb3 carrier by P-gp784-968 peptide segment in prokaryotic expression for five rounds; and finally performing double digestion identification for clones obtained by elutriation and performing IPTG (Isopropyl-Beta-d-Thiogalactoside) inductive expression; and obtaining a positive clone strain after ELISA and WesernBlot identification from the expression product, and detecting the sequence to obtain PFab29. The invention lays foundation for preparing multidrug resistant drug for inhibiting tumors.

The invention discloses a cell preparation laboratory design scheme. According to the design scheme, the laboratory comprises a preparation chamber, and a logistics chamber, a treatment chamber, a human flow chamber and a monitoring chamber are arranged sequentially around the preparation chamber; a first preparation area is arranged between the monitoring chamber and the preparation chamber; a second preparation area is arranged between the human flow chamber and the preparation chamber; a cultivation chamber and a culture medium preparation room are arranged on the side, adjacent to the treatment chamber, of the inside of the preparation chamber, the cultivation chamber is adjacent to the culture medium preparation chamber, the cultivation chamber is adjacent to the logistics chamber, and the culture medium preparation chamber is adjacent to the second preparation area; the side, adjacent to the first preparation area, of the inside of the preparation chamber is provided with a sterile operation chamber and a fourth buffering chamber, the sterile operation chamber is adjacent to the logistics chamber and the cultivation chamber, and the fourth buffering chamber is adjacent to thesterile operation chamber and the second preparation area; a washing chamber and a disinfection chamber are arranged between the fourth buffering chamber and the cultivation chamber and the culture medium preparation chamber, the washing chamber is adjacent to the disinfection chamber, the washing chamber is adjacent to the sterile operation chamber, and the disinfection chamber is adjacent to the second preparation area.

An intelligent hazardous gas removal system provided by the invention, belonging to the field of the intelligent laboratory design technology, comprises a mobile phone, a central processor, a wireless signal sending module, a control module, an electrically operated gate, a wireless signal receiver, a controller, an electric control water valve, a heavy current wire harness, an electric control oil valve, an electric control air valve, a power supply control valve and an air interchanger. The central processor, the wireless signal sending module and the control module are arranged in the mobile phone and connected with each other through the wire harness in the mobile phone; the electrically operated gate is arranged at the wall body at the front of the laboratory; and the wireless signal receiver and the controller are arranged in the wall body of the top of the laboratory. Experimenters may control a gate of a laboratory room and switches of other devices through the mobile phone. The intelligent hazardous gas removal system is reasonable in design and simple in structure, and is applicable to the design of a laboratory intelligent system.

The invention discloses a wireless control secondary remediation system in the technical field of an intelligent laboratory design. The system comprises a voice commander, a control panel, a command interpreter, a wireless signal transmitter, a miniature microphone, an electric door, a wireless signal receiver, a controller, an electric control water valve, and a strong current harness, wherein the control panel and the miniature microphone are arranged outside the voice commander; the command interpreter and the wireless signal transmitter are arranged inside the voice commander; the electric door is arranged on the front wall body of the laboratory; and the wireless signal receiver and the controller are arranged in the top wall body of the lab. Thus, a laboratory technician can control on and off of the laboratory room door and other devices through voice. The system of the invention is reasonable in design, simple in structure, and is applicable to design of the laboratory intelligent system.

An emergency lamp opening apparatus is disclosed, belonging to the design technical field of intelligent laboratories. The emergency lamp opening apparatus comprises a mobile phone, a central processing unit, a wireless signal sending module, a control module, an electric door, a wireless signal receiver, a controller, an electric control water valve, a strong electrical wiring harness, an electric control oil valve, an electric gas valve, a power supply control valve, an air interchanger and a fire extinguishing apparatus; the central processing unit, the wireless signal sending module and the control module are arranged in the mobile phone and connected through internal wiring harnesses; the electric door is arranged on the front wall body of the laboratory; and the wireless signal receiver and the controller are arranged in the top wall body of the laboratory. According to the emergency lamp opening apparatus, experimenters can control the on and off of the room doors and other devices in the laboratory through the mobile phone, so that the emergency lamp opening apparatus is reasonable in design, simple in structure and suitable for the design of the intelligent system of laboratories.

The invention provides a wristband-type miniature microphone device and belongs to the technical field of intelligent laboratory design. The wristband-type miniature microphone device comprises a voice commander, a control panel, a command interpreter, a wireless signal transmitter, a miniature microphone, an electric door, a wireless signal receiver, a controller, an electronic control water valve and strong-current wire harnesses. The control panel and the miniature microphone are arranged outside the voice commander. The command interpreter and the wireless signal transmitter are arranged in the voice commander. The electric door is arranged on the front wall of a laboratory. The wireless signal receiver and the controller are arranged in the top wall of the laboratory. According to the technical scheme of the invention, the experimental personnel can control the door of the laboratory and the on / off states of other apparatuses in the voice controlling manner. The device is reasonable in design and simple in structure, thus being suitable for the intelligent design of the laboratory.

The invention provides an overhead laboratory ventilation and air exchange system belonging to the technical field of intelligent laboratory design. The overhead laboratory ventilation and air exchange system comprises a wrist action identifier, a control panel, a wireless signal transmitter, an accelerator sensor, a geomagnetic sensor, a gyroscope, electrically-operated door, a wireless signal receiver, a controller and a wiring harness; the control panel is arranged outside the wrist action identifier, while the wireless signal transmitter, a battery, the accelerator sensor, the geomagnetic sensor and the gyroscope are arranged inside the wrist action identifier; the electrically-operated door is arranged in a front wall of a laboratory; the wireless signal receiver and the controller are arranged in the top wall of the laboratory. In the overhead laboratory ventilation and air exchange system, an experimenter can opening and closing of the room door of the laboratory and other devices through movements of the wrist. The overhead laboratory ventilation and air exchange system is reasonable in design, simple in structure, and suitable for the design of a laboratory intelligent system.

The invention provides a pipeline cutoff double-insurance device applied in the technical field of intelligent laboratory design. The device comprises a voice commander, a control panel, a command interpreter, a wireless signal transmitter, a miniature microphone, an electric door, a wireless signal receiver, a controller, an electronic control water valve and a strong-current wire harness. The control panel and the miniature microphone are arranged outside the voice commander. The command interpreter and the wireless signal transmitter are arranged in the voice commander. The electric door is arranged on the front wall body of a laboratory. The wireless signal receiver and the controller are arranged in the top wall of the laboratory. According to the technical scheme of the invention, the experimental personnel can control the door of the laboratory and the on / off states of other apparatuses in the voice controlling manner. The device is reasonable in design and simple in structure, thus being suitable for the intelligent system design of the laboratory.