39results about How to "Automatic control on" patented technology

The invention discloses an operating mechanism for controlling a discharge outlet of a furnace, which consists of pedestals, a hand wheel, a locking sleeve, a body, a rotating shaft, a beam, a bumper pin, a pin boss, a pin shaft, a choke plug, a push rod, connecting rods, a spring, a stop lever, a balancing weight, a handle and a locking ring. The beam is arranged outside the furnace and the pedestals are horizontally arranged on the beam. The rotating shaft is a stepped shaft, is in movable fit with the pedestals, and is limited by the locking sleeve to move. The two ends of the body are provided with a mounting hole respectively, and are in clearance fit with the rotating shaft and the push rod respectively; the connecting rods are arranged on the two sides of the body, and are fixedly connected with the rotating shaft; and the pin boss and the stop lever are arranged above the body. One end of the push rod is provided with the choke plug, while the other end is provided with the pin shaft. One end of each connecting rod is fixedly connected with the rotating shaft, while the other end is provided with an elongated slot; and the pin shaft can slide in the slots. The spring is arranged on the lateral surface of the body, the connecting rods and the body are kept opposite, the rotating shaft is fixedly connected with the hand wheel, the hand wheel is a certain distance away from the discharge outlet and a groove is formed on a wheel flange to accommodate the balancing weight so as to adjust eccentric moment and make operation labor-saving. The rotating shaft is in threaded connection with the locking ring and the locking ring is provided with the handle to lock the position of the choke plug.

the invention discloses a perforating device with the high accuracy. The perforating device comprises a frame body; a perforating cavity is formed in the frame body; a first sliding groove is formed in the left side of the inner top of the perforating cavity; a second sliding groove is formed in the right side of the perforating cavity; an inlet and outlet with the left side end communicating with the perforating cavity is formed in the right side, below the second sliding groove, of the frame body; the left side and the right side of the inner bottom of the perforating cavity are provided with a sleeving device and a sinking groove respectively; a first screw which is arranged in a left-right extending mode is arranged in the first sliding groove; a sliding block with the bottom jacked into the perforating cavity is connected to the first screw in a threaded fit mode; a first sliding cavity is formed in the sliding block; a lifting sliding block is connected in the first sliding cavity in a sliding fit mode; and flanges which are connected to the inner parts of the two sides of the first sliding cavity in a sliding fit mode are arranged at the tops of the two sides of the lifting sliding block. The perforating device has the advantages of being simple in structure, convenient to operate, high in is high, capable of automatically controlling the opening and closing of a separation strip, good in dust removing effect, accurate in perforating and high in stability.

The invention discloses even-stirring equipment which comprises an even-stirring part, an output part arranged at the bottom of the even-stirring part and a boss part arranged at the bottom of the output part. The boss part is of a hollow structure, a balancing weight is embedded in the inner bottom of the boss part, an accommodating cavity is arranged in the even-stirring part, multiple sets of bucket troughs are arranged in the bottom of the accommodating cavity, a port is arranged in the bottom of each bucket trough, a first sliding connecting groove penetrating the port and extending leftwards and rightwards is arranged in the port, a first sliding connection part is arranged in the first sliding connection groove, an output hole is arranged in the first sliding connection part, a first spiral thread hole is arranged in the left side of the first sliding connection part, a first spiral rod is connected in the first spiral thread hole in spiral thread fitness, the first spiral rod is connected with a first electrical rotating machine, multiple sets of collecting zones are evenly arranged on the outer surface of the front and rear sides of the output part, a connection slot matched with the bottom of each port is arranged in the output part, a first chamfer groove and a second chamfer groove are arranged on front and rear sides of the bottom of each connection slot, and the bottom tail of the first chamfer groove is communicated with the collecting part on the front side of the output part. The even-stirring equipment is simple in structure, reasonable in design, convenient in operation, capable of realizing automatic stirring and automatic discharging and transferring and even in stirring, stirring efficiency is improved, supply requirements are met, and use cost is low.

The invention discloses a separated type automatic feeding equipment for pig breeding, which comprises an upper body and a lower body installed at the bottom of the upper body. A material storage cavity is arranged in the upper body, and multiple groups of funnel-shaped grooves are arranged at the bottom of the material storage cavity. The bottom of the funnel-shaped groove is provided with a through hole, and the through hole is provided with a first sliding groove extending horizontally through the through hole and extending to the left and right sides. The first sliding groove is provided with a first sliding member, and the first sliding member is provided with The discharge hole is provided with a first threaded hole inside the right side of the first sliding member, and the first threaded hole is connected with the first screw rod in cooperation with the internal thread, and the first screw rod is connected with the power of the first motor. Multiple groups of feeding windows are provided, and a communication groove is provided in the lower body opposite to the bottom of the through hole. The front and rear sides of the bottom of the communication groove are respectively provided with a first inclined channel and a second inclined channel. The eating windows on the side are connected and arranged; the invention has a simple structure, realizes isolated eating, and has high working efficiency.

The invention discloses an LED (light emitting diode) beacon light based on a wind and solar complementation integral power supply mode. The LED beacon light comprises an LED beacon light main body and an LED beacon light tool. The LED beacon light is characterized in that a power supply circuit of the LED beacon light is provided with a wind and solar hybrid power supply system, and the LED beacon light supplies power in the wind and solar hybrid integral power supply mode. Then, a wind power generator and a solar cell panel are arranged on the top or all sides of the LED beacon light main body by a bracket. The LED beacon light has the advantages that the solar energy and the wind energy are sufficiently utilized, and are combined to supply power in the hybrid way, so the stable and reliable power is supplied for the LED beacon light, the power supplying requirements of the LED beacon lights in different areas are met, and the running cost is reduced; in addition, the LED beacon light is provided with a lightning arrestor and an optical control switch, so the starting and the closing of the LED beacon light can be automatically controlled according to the brightness of the environment light rays; and the low-carbon and environment-friendly effects are realized, the running is stable, the noise is low, and the easy popularization is realized.

The invention relates to an intelligent device and a control method and control device thereof. The intelligent device comprises a code lock, an intelligent module, a monitor module, which is configured to monitor the state of the code lock, and a control module, which is configured to control the intelligent module to start working when the monitor module monitors that the code lock is in a locking state, and control the intelligent module to stop working when the monitor module monitors that the code lock is in an unlocking state. According to the intelligent device and the control method and control device thereof, automatic control of start and stop of the intelligent module can be realized without setting a control button of the intelligent module on the intelligent device, thereby improving usage experience of users.

The invention discloses bridge construction equipment which comprises a frame body, wherein a polishing cavity is formed in the frame body; a first slip groove is formed in the left side of the interior top of the polishing cavity; a second slip groove is formed in the right side of the polishing cavity; an opening end is arranged on the right side of the frame body below the second slip groove, and the left side end of the opening end communicates with the polishing cavity; a connection and fixing device and a sinking groove are arranged on left and right sides of the interior bottom of the polishing cavity; a first heliciform rod is arranged in the first slip groove, and the left and right ends of the first heliciform rod are arranged in an expanded manner; a slip block is in threaded connection with the first heliciform rod, and the bottom of the slip block penetrates into the polishing cavity; a first slip cavity is formed in the slip block; a rise-and-fall slip block is in slip connection with the interior of the first slip cavity; and bulged slip blocks are arranged at the tops of two sides of the rise-and-fall slip block and are in slip connection with interiors of two sides of the first slip cavity. The bridge construction equipment is simple in structure, convenient to operate and high in safety, can automatically control opening and closing of a partition board, and is excellent dustproof effect, accurate in polishing and high in stability.

The invention discloses a feed feeding and water feeding device used for a chicken farm. The feed feeding and water feeding device body comprises a base, a water feeding device body arranged at the left side of the base, a feed feeding device body arranged at the right side of the base and a feed supplying hopper arranged above the base, an annular serial piece is arranged at the top of the base, a power transmission cavity is arranged in the base at the bottom of the annular serial piece, the inside of the annular serial piece is rotatably connected with a rotary sleeve in a matched mode, a first opening is formed in the right side wall of the annular serial piece, a second opening is formed in the left side wall of the rotary sleeve, the power transmission cavity is internally provided with a rotary cover fixedly connected with the bottom of the rotary sleeve, an outer gear ring is fixedly arranged on the outer surface of the rotary cover in the circumferential direction, the left side of the outer ring is meshed with a gear, the bottom of the gear is in power connection with a first motor, the rotary cover is internally provided with a rotary shaft arranged to extend upward, the rotary shaft penetrates through the bottom of the rotary sleeve and extends into the feed supplying hopper, the rotary shaft in the rotary sleeve is fixedly provided with a first stirring blade, and the feed supplying hopper is composed of a first hopper body and a second hopper body. The feed feeding and water feeding device body used for the chicken farm is simple in structure, and can achieve automatic feed feeding and water feeding work.

The invention provides an intelligent ventilating fan. The intelligent ventilating fan comprises a power module, a PLC module, an air quality monitoring module and a fan blade driving module. The power module provides electric energy for the PLC module, the air quality monitoring module and the fan blade driving module. The air quality monitoring module is used for detecting the current indoor airquality and transmitting the detected parameter to the PLC module. A power supply circuit, connected with the fan blade driving module, of the power module is provided with a first switch and a second switch. The first switch is connected with the second switch in series. The second switch is a single-pole double-throw switch. The PLC module outputs a first signal to control the first switch to be switched on or off. The PLC module outputs a second signal to control the switch-on direction of the second switch. The intelligent ventilating fan can be automatically turned on or off according tothe current indoor environment, manual operation is replaced, and therefore electric energy is saved and the indoor air is effectively purified.

An automatic trunk opening device capable of recognizing a car owner comprises a trunk, an electric-control mechanical lock, a remote-control key, a touch-sensitive module and a control system, wherein the electric-control mechanical lock and the touch-sensitive module are electrically connected with the control system, the electric-control mechanical lock is arranged inside the trunk, and the remote-control key comprises a power supply, a low-frequency emission module and a microprogrammed control unit (MCU); the control system comprises a power supply, an MCU, a low-frequency receiving module and a drive control module; the low-frequency emission module of the remote-control key and the low-frequency receiving module of the control system are located at the same communication frequency band; the touch-sensitive module is connected with the drive control module, the drive control module is connected with a drive circuit, the drive circuit is connected with a relay J2, the relay J2 is connected with the electric-control mechanical lock, the drive control module is connected with an electric switch of a head lock through a normally-closed contact of a relay J1, a contact of the relay J1 is connected with a starting locking control circuit, and the starting locking control circuit is connected with an engine start button.

The invention discloses a Zigbee intelligent residential district light-emitting diode (LED) street lamp control system which comprises an information collecting unit, a control unit and an executing unit, wherein the information collecting unit comprises a microprocessor, and a luminosity sensor, a temperature sensor, a humidity sensor, a branch voltage sensor and a branch current sensor which are connected with the microprocessor; the microprocessor is also connected with a second Zigbee communication module; the control unit comprises a main controller; the input end of the main controller is connected with a first Zigbee communication module and an RS232 communication module which is connected with a monitoring center computer; the executing unit comprises an LED street lamp. The Zigbee intelligent residential district LED street lamp control system disclosed by the invention is simple in structure, reasonable in design, convenient to mount and use, and capable of automatically controlling the ON and OFF of the LED street lamp according to weather situation in real time, so that the aims of saving energy and green environmental protection are achieved; and the Zigbee intelligent residential district LED street lamp control system is high in intelligent degree, good in use effect, safe and reliable in performance and high in promotional value.

The invention discloses an intelligent irrigation control system in the technical field of olive planting. The intelligent irrigation control system comprises an irrigation unit, a power supply unit and a remote control device, wherein the power supply unit provides power for the irrigation unit, and the irrigation unit comprises an environmental data acquisition assembly, a central processing unit, a program-controlled water delivery pipe electromagnetic valve, a program-controlled fertilizer delivery pipe electromagnetic valve, a pressurizing water pump and remote control equipment, so that informatization and intelligent remote management of the olive growth environment are achieved, the effect of the Internet of Things technology in facility agricultural production is fully exerted to ensure that the mountain environment is suitable for crop growth, refined management is achieved, conditions are created for high yield of crops, efficiency is improved, cost is reduced, and income is increased.

The invention discloses a welding device. The welding device comprises a shell. A welding cavity is formed in the shell. A first slippage groove is formed in the left side of the top of the inside of the welding cavity. A second slippage groove is formed in the right side of the welding cavity. An end opening with the left side end being connected with the welding cavity is formed in the right side of the shell and located below the second slippage groove. The left side and the right side of the bottom of the inside of the welding cavity are provided with a fixed connection device and a countersunk bore correspondingly. A first screw rod which is extended left and right is arranged in the first slippage groove. The first screw rod is connected with a slippage block with the bottom penetrating into the welding cavity in a screw-thread fit mode. A first slippage cavity is formed in the slippage block. An ascending and descending slippage block is connected into the first slippage cavity in a slippage fit mode. Convex ejection blocks which are in slippage fit connection with the insides of the two sides of the first slippage cavity are arranged at the tops of the two sides of the ascending and descending slippage block. The welding device is simple in structure, convenient to operate and high in safety. Opening and closing of a partition plate can be controlled automatically, the dust removing effect is good, welding is accurate and stability is high.

A mosquito luring and killing device comprises a control module, a support, a sensor, a luring lamp, an outer casing and an inner casing, and is characterized in that a power supply plug is led out of the power supply end of the control module; the signal end of the control module is connected with the sensor, and the output end of the control module is connected with the luring lamp; a support is connected with the middle of the bottom of the device. When the device is used, the power supply plug is plugged into a commercial electricity socket, and the support is directly inserted into a central opening of an ignited mosquito coil, at this time, the control module detects that the sensor detects the signals of igniting the mosquito coil, the control module is electrified, the luring lamp is lightened, mosquitoes fly towards the luring lamp, the shorter the distance between the mosquitoes and the mosquito coil is, the better the killing effect is, after the mosquito coil burns out, the signals of the sensor cannot be detected by the control module, the power supply of the luring lamp is switched off by the control module, the luring lamp is turned off, and the purpose of automatically controlling the turning on/off of the luring lamp is achieved.

The invention discloses a wall lamp, comprising a shell, a back shell and a lampshade, the lampshade is arranged at the opening formed after the shell and the back shell are connected to each other, and an LED lamp is arranged in the cavity formed by the shell and the back shell A body module and a photosensitive module connected with the LED lamp body module and used to control the opening or closing of the LED lamp body module. The device of the present invention is provided with a light-sensing module, which can sense the intensity of external light, can automatically control the opening or closing of the wall lamp, does not require manual operation, and can greatly reduce labor costs.

The invention relates to collecting and bottling equipment, in particular to equipment for collecting and bottling windshield washer fluid in automobile production. The technical problem to be solved is to provide the equipment for collecting and bottling the windshield washer fluid in automobile production, which can automatically complete the functions of conveying bottles, tightening bottle caps and collecting and is high in working efficiency. The equipment for collecting and bottling the windshield washer fluid in automobile production comprises a bottom plate and a motor underframe, and the motor underframe is arranged on one side of the top of the bottom plate; a servo motor is arranged at the top of the motor underframe; a feeding propelling mechanism is arranged on one side of the top of the bottom plate; and a water supply mechanism is arranged on one side of the top of the bottom plate. According to the equipment,through cooperation of the feeding propelling mechanism, the water supply mechanism, a pushing mechanism and a conveying and feeding mechanism, bottles and bottle caps can be automatically conveyed; people can conveniently inject windshield washer fluid into the bottles; then the bottle caps are manually tightened; and the working efficiency of people is improved.

The invention discloses an equipment for planting crops, which comprises a feed body and a guide body arranged at the bottom of the feed body. The left and right sides of the feed body are symmetrically provided with pull rings for facilitating the overall movement of the device. The feed body is provided with The cavity, the bottom of the cavity is provided with multiple groups of tapered grooves, each tapered groove is provided with an opening at the bottom, and the opening is provided with a first sliding groove extending through the opening and extending to the left and right sides, and the first sliding groove is provided with The first sliding part, the first sliding part is provided with a hole groove, and the inside of the right side of the first sliding part is provided with a first screw hole. Connected with a driving machine, multiple sets of collection parts are provided on the outer surfaces of the front and rear sides of the material guide body, and the guide body corresponding to the bottom of the opening is provided with a connecting groove, and the front and rear sides of the bottom of the connecting groove are respectively provided with a first chute And the second chute, the bottom end of the first chute is connected with the collection part on the front side of the material guide body; the present invention has simple structure, reasonable design, easy operation, automatic stirring and automatic discharge, improves fertilization efficiency, and meets supply requirements. Required and able to isolate dust.

The invention relates to vacuum baking equipment for specific foods and particularly relates to a vacuum frying pot for foods. The invention aims at providing the vacuum frying pot. The vacuum frying pot is composed of a pot body, a pot cover, a material basket device, a heating device, a swing arm mechanism, a clutch, a coupling, a speed reducer, a motor and a fixing bracket, and is characterized in that the motor and the speed reducer are arranged at the lower surface of the bottom of the tank body and are in drive connection with each other; the clutch is composed of a guide shaft and a shaft sleeve. The vacuum frying pot has the advantages that the automation efficiency is high, and the pot cover and a material basket cover can be automatically controlled and opened.

The invention discloses an environment-friendly sewage treatment device adopting a flocculant. The device comprises a rack and supporting legs on the bottom of the rack, an water storage cavity, a cone-shaped settling pond, a sliding cavity and a settling cavity which are sequentially communicated are formed in the rack from top to bottom, the bottom of the water storage cavity and the top of thecone-shaped settling pond are separated through a folding separation board, a screw and a sliding rod which penetrate a left sliding block and a right sliding block and extend in the leftward and rightward directions are arranged in the sliding cavity, both the left sliding block and the right sliding block are internally provided with vertical communication cavities and symmetrical left sliding grooves and right sliding grooves which are in inverted-V shapes, the left sliding grooves and the right sliding grooves are all internally provided with sliding blocks connected with the upper ends ofthird connection rods, the lower ends of the third connection rods are connected with an extension board, the rod bodies of the third connection rods are sleeved with springs, and when the extensionboard is horizontally placed, the passage of the sliding cavity and the passage of the settling cavity are insulated by the extension board; the lower end of the settling cavity is provided with a sediment collecting port. Opening of the environment-friendly sewage treatment device adopting the flocculant is automatically controlled, separation work of purified water and sediment is achieved, andthus the sediment treatment efficiency is improved.

The invention aims at providing a timing valve. The timing valve is suitable for situations such as crop timing irrigation. The timing valve is used for reducing manpower and improving reliability can be improved. The timing valve comprises a valve body, wherein the valve body is provided with a magnetic valve core. The timing valve is characterized in that the magnetic valve core is connected with a control unit and the control unit is provided with a timing circuit. The timing valve can control closing and opening of the magnetic valve core through the timing circuit. The timing valve can open and close the valve in a timing mode and achieve functions of automatic irrigation and the like under the circumstance that the valve can be operated without the aid of manual operation. The timing valve is good in practicality.

The invention discloses a convenient bridge device. The convenient bridge device comprises a body fixedly arranged on the middle position of the upper end surface of a walking body, a water outlet isformed in the bottom of the body, a channel is formed in the walking body, and the diameter of the channel is equal to that of the water outlet. A stirring cavity is formed in the inner top of the body, a first containing cavity is formed in the position, under the stirring cavity, in the body, a guiding-connecting groove is formed in the position, in the first containing cavity, in the inner wallof the rear side, and the guiding-connecting groove is internally provided with a spiral rod device which is formed in a left-and-right extending mode. Guiding-connecting rods which are formed in a left-and-right extending mode are arranged on the positions, on the upper and lower sides of the spiral rod device, in the guiding-connecting groove, and the extending tail ends of the left and right sides of the guiding-connecting rods are separately and fixedly connected with the inner walls of the left and right sides of the guiding-connecting groove. The spiral rod device is composed of a firstspiral rod and a second spiral rod, the first spiral rod and the second spiral rod are separately provided with guiding-connecting blocks in a threaded fit connection mode, and the upper and lower sides of the guiding-connecting blocks are separately connected with the outer surfaces of the guiding-connecting rods of the upper and lower sides in a sliding mode. The convenient bridge device is simple in structure, easy to operate, and high in cleaning efficiency.

The invention discloses a novel multi-opening water cup which comprises a shell. Cup openings are formed in the bottom of the shell. A juice storage cavity is formed in the top inside the shell. A first cavity is formed in the portion, below the juice storage cavity, of the shell, a guiding groove is formed in the inner wall of the rear side inside the first cavity, a screw rod device extending left and right is arranged inside the guiding groove, guiding rods extending left and right are arranged inside the portions, on the upper and lower sides of the screw rod device, of the guiding groove,the extending tails of the left and right sides of each guiding rod are fixedly connected with the inner walls of the left and right sides of the guiding groove respectively, the screw rod device iscomposed of a first screw rod and a second screw rod, the first screw rod and the second screw rod are each in screw-thread-fit connection with a guiding block, and the upper and lower sides of each guiding block are in sliding-fit connection with the outer surfaces of the guiding rods on the upper and lower sides. The water cup is simple in structure, convenient to operate and high in juice extracting efficiency.

The invention discloses novel paint brushing equipment which comprises a frame. A paint brushing cavity is formed in the frame. A first moving groove is formed in the left side of the top in the paint brushing cavity. A second moving groove is formed in the right side of the paint brushing cavity. An inlet and outlet with the left side end communicating with the paint brushing cavity is formed in the position, below the second moving groove, of the right side of the frame. The left side and the right side of the bottom in the paint brushing cavity are provided with a sleeve joint device and a counter bore correspondingly. A first stud is arranged in the first moving groove in a left-and-right stretching manner. A moving block with the bottom jacked into the paint brushing cavity is connected to the first stud in a threaded fit manner. A first moving cavity is formed in the moving block. A fluctuation moving block is connected into the first moving cavity in a sliding fit manner. The tops of the two sides of the fluctuation moving block are provided with protruding heads connected with the interiors of the two sides of the first moving cavity in a sliding fit manner. The novel paint brushing equipment is simple in structure, convenient to operate and high in safety, opening and closing of a partition plate can be controlled automatically, pollution is low, and the paint brushing work is accurate and high in stability.

The invention discloses a concrete batching plant powder ash blowing full-automatic control system. The concrete batching plant powder ash blowing full-automatic control system comprises a wagon balance in communication with an EPR system, multiple ash blowing pipes, a remote control module and a Bluetooth switching control module. Electric valves are mounted on the ash blowing pipes. The EPR system is provided with multiple output ports and controls the electric valves to be opened. The remote control module is provided with multiple input ports, a control relay and an internet access. The input port is electrically connected with opening or closing buttons of the electric valves, and the relay is electrically connected with opening or closing control circuits of the electric valves. Theinternet access is in communication connection with an industrial personal computer. The Bluetooth switch control module is provided with multiple Bluetooth control output ports and controls the electric valves to be opened. According to the concrete batching plant powder ash blowing full-automatic control system, after materials are weighed, control signals corresponding to the electric valves are output through the EPR system, the electric valves are automatically controlled to be opened, and it is avoided that the wrong electric valves are manually opened, and consequently conduction of production is influenced. The concrete batching plant powder ash blowing full-automatic control system has an automatic control manner and a manual control manner, the control manners are flexible, and remote automatic control over the electric valves can be achieved according to the existing production situation.

The invention discloses a uniform mixing apparatus for building construction. The uniform mixing apparatus comprises a uniform mixing part, an output part arranged at the bottom of the uniform mixing part, and a boss part arranged at the bottom of the output part, wherein the boss part is of a hollow structure; the inner bottom of the boss part is inlaid with a counterweight block; an accommodation chamber is arranged in the uniform mixing part; the bottom of the accommodation chamber is provided with a plurality of hopper grooves; the bottom of each hopper groove is provided with a port; each port is internally provided with a first sliding contact groove extending leftward and rightward; each sliding contact groove is internally provided with a first sliding contact member; each first sliding contact member is internally provided with an output hole; the right side of each first sliding contact member is internally provided with a first screw-thread hole; the first screw-thread hole is internally connected with a first spiral rod in the manner of screw-thread fit; the first spiral rod is connected with a first electric motor; and the front and back outer side surfaces of the output part are both provided with a plurality of groups of acquisition zones. The uniform mixing apparatus provided by the invention is simple in structure, reasonable in design, simple and convenient to operate, capable of realizing automatic stirring and automatic discharging, improving mixing efficiency and meeting supply demands, uniform in mixing, and low in usage cost.

The invention discloses an AI intelligent dust fall system, which comprises a video image acquisition system, an information transmission system, a monitoring center, an automatic control system, a fog gun dust fall device and a fog curtain dust fall device, and is characterized in that the video image acquisition system acquires video image information of a working site and sends the video image information to the monitoring center through the information transmission system; and the monitoring center analyzes video image information by adopting a video image analysis and artificial intelligence deep learning method, recognizes the current air quality, and outputs an alarm signal on one hand and controls the fog gun and the fog curtain dust falling equipment to be started through the automatic control system on the other hand after the current air quality exceeds the standard. According to the invention, rapid and efficient deployment can be realized, and investment is saved; the monitoring center is respectively associated with the video image acquisition system, the fog gun and the fog curtain dust removal equipment, the air quality condition of the working site is analyzed and identified according to the acquired video image of the working site, the fog gun and the fog curtain dust removal equipment can be automatically controlled to be started, and resources are saved.