49results about How to "No accidents" patented technology

The invention discloses an oral-suction type portable atomizer. In the atomizer, a nozzle is arranged at one end of a shell; a liquid storage box with a liquid storage cavity is arranged inside the shell, and one end of the liquid storage box is connected with an atomizing device; the atomizing device comprises an atomizing component which comprises a liquid suction nozzle seat and a heat device; one end of the liquid suction nozzle seat is provided with an atomizing cavity, and a vent pore communicated with the atomizing cavity is formed at the other end of the liquid suction nozzle seat; the heat device is fixed in the atomizing cavity, and comprises a liquid guiding component; the liquid guiding component comprises a liquid suction nozzle and a liquid guiding wire; one end of the liquid suction nozzle is inserted in the liquid storage cavity of the liquid storage box, and liquid sealing is formed on the contact part of the liquid suction nozzle and the liquid storage box; the other end of the liquid suction nozzle is communicated with the atomizing cavity of the liquid suction nozzle seat; the liquid guiding wire is wound on the heat device; and two end parts of the liquid guiding wire are introduced into the liquid suction nozzle. By the atomizer, a stored medicinal liquid can be uniformly introduced to the heat device, and a user can use a fresher medicinal liquid.

The invention discloses a control circuit for atomizers, and the control circuit comprises a key switch, a single chip and a transistor, wherein the key switch is used for sending a switch signal which is used for connecting or disconnecting the control circuit; the single chip is connected with the key switch and has a locking function; after receiving the signal from the key switch, the single chip enters into a self locking state without an output signal or is unlocked; and the transistor is connected with an output end of the single chip and has a signal amplification function. Through the control circuit for atomizers, misoperation can be avoided to ensure that the key switch is connected.

An inverted-suspension pull and extension trainer comprises a base and a support frame, wherein a rotating cross shaft is arranged at the upper end of the support frame; a rotating frame is arranged on the rotational cross shaft; a connection insert movably connected with the base is arranged at the upper end of the rotating frame, and a plurality of massage rollers parallel to each other transversely are arranged in the middle of the rotating frame and are driven by a drive sprocket group; guard columns and guard clips are arranged on the outer sides of the massage rollers; ankle fixators are arranged at the lower end of the rotating frame; and a rotating wheel group driving the rotating frame is arranged at one end of the rotating cross shaft. The inverted-suspension pull and extension trainer conforms to exercising habits of a person, and the person can take exercise step by step and take inverted-suspension pull and extension exercise gradually; through pulling and twisting, blood circulation in spine and nutrition supply to intervertebral discs are promoted, and the elasticity of the intervertebral discs is improved gradually, thereby having a certain effect on growth improvement and constitution promotion of teenagers; the protection clips can keep the trunk and crotch of a human body, thereby avoiding accidents and ensuring safety; and through massaging vertebra, the inverted-suspension pull and extension trainer has the functions of health care as well as aid therapy on vertebra diseases.

The invention discloses a brake pump of a loader. Two brake cavities, a traveling brake cavity and a stop brake cavity are formed in a brake pump shell; a first piston is arranged in the stop brake cavity; a first push rod is arranged on the left side of the first piston; a main spring is arranged on the right side of the first piston; a rubber bowl is arranged in the traveling brake cavity; the two braking cavities comprise a left brake cavity and a right brake cavity; a second piston is arranged in the left brake cavity; a first resetting spring is arranged on the left side of the second piston; a third piston is arranged in the right brake cavity; a second resetting spring is arranged on the left side of the third piston; a spring base is arranged on the left side of the rubber bowl; a second push rod and a third push rod are fixed on the left end face of the spring base; a first spring sleeves the second push rod; a second spring sleeves the third push rod; the second push rod corresponds to the second piston; the third push rod corresponds to the third piston; a first liquid storage tank is arranged above the left brake cavity; and a second liquid storage tank is arranged above the right brake cavity. The brake pump is good in brake effect and can be used safely and reliably.

An artistic chafing dish and the water cooled magnetizing burning method for its stove are disclosed. The liquid alcohol is used as its fuel. Its structure is composed of an apron stand with lower opening matched with the convex circular body of its stove and upper opening for holding the stove, a casing with fuel cavity and heat dissipating cavity, a burner containing alcohol carrier, a combustion promoting net, a magnetizer, and a cap for preventing evaporation of alcohol.

The invention provides a failure recognition and detection method for an intelligent drive axle system and belongs to the failure recognition and detection methods. Signals are collected by sensors which are mounted on the corresponding positions on the drive axle; the collected signals are transmitted to an embedded system through a filtering process and A / D (analog to digital conversion), and a hardware load of the embedded system is a single chip microcomputer system with strong computing capability; then a BP (back propagation) network algorithm is loaded in the embedded system, a programming of the BP network algorithm is automatically generated according to a model-based design process, and the embedded system can feed back the executive effect of an actual code to a model-based design module, thus the code generation is timely improved; through analysis of the embedded system, failure type is acquired, state of the drive axle is timely monitored through an alarm and a liquid crystal display device, and once the failure occurs, the driver is reminded to do necessary operations, and the corresponding failures are alarmed before the failure occurs to the drive axle.

The invention relates to a method for lifting a shipping caisson by a capsule trolley, which comprises the following steps: (1) taking the trolleys in place; prearranging two shipping rails on a shipping route of a shipping caisson and respectively arranging trolley groups on the shipping rails, wherein the trolley groups are not exposed out of the shipping rails at the moment; drawing the trolleys under the caisson to be shipped in place by a winding engine at the rear part of trolley seats; (2) lifting: injecting water into capsules of all trolley units of the trolley groups, lifting a caisson support plate on the capsules, leading the caisson support plate to be higher than the shipping rails and support the caisson; (3) shipping: after the caisson is supported, pushing the trolley units by a push device to travel on the rails to a preset semi-submerged position; and (4) unloading: after the caisson arrives in the appointed position, discharging the water of the capsules, leading the caisson to be positioned on a cushion beam for carrying a transport ship and finishing the whole lifting and shipping procedures. Compared with the traditional way, the method greatly reduces the requirement for the ground and is simpler and more convenient to operate.

The invention discloses a transmission system of a carrier-based helicopter landing assisting device, and belongs to the field of mechanical equipment transmission. The transmission system comprises a hydraulic cylinder group which is fixed on a shell and is used for providing power for the whole system, four chain wheel winding groups which are coaxially and fixedly connected and then are fixed on the shell, two capturing beams which move on the track of the shell, two fixed pulley groups and two fixed pulleys which are fixedly arranged on the shell, two chains which are connected with the hydraulic cylinder group and the chain wheel winch group, and eight steel cables which are used for transmitting motion; the reciprocating motion of the cylinder barrel of the thin hydraulic cylinder is converted into the opposite and separated motion of the two capturing beams, so that the quick capturing and releasing of the carrier-based helicopter probe rod are realized; and after capturing succeeds, the probe rod is locked between the two capturing beams, the reciprocating motion of the cylinder barrel of the thick hydraulic cylinder controls the two interlocked capturing beams to transversely and synchronously move, and straightening of the helicopter is achieved in cooperation with the longitudinal motion of the whole landing assisting device. The system is simple in structure, small in occupied space, high in capturing reliability and convenient to operate and maintain.

The present invention relates to a laser therapeutic head for curing angioma. It includes a shell body, and is characterized by that in the shell body is fixedly mounted a lens capable of making laser beam focused focal distance be 6-9cm, one end of the shell body is connected with laser outlet end of laser generation device, on another end of said shell body a telescopical knife nose is mounted, and on the laser beam outlet end of said telescopical knife nose is set a positioning bar which is conveniently observed by operator, and the length of the telescopical knife nose must make the diameter of laser facula formed in the top end of said positioning bar be 3-7mm.

The invention discloses a pressure testing machine comprising a base; one side of the base is provided with a buffering device; the base is symmetrically welded with a first upright post and a secondupright post; a moving plate is arranged between the first upright post and the second upright post; a supporting rod is penetrated into the moving plate; the other end of the supporting rod is connected with a pressing plate; limiting rods are symmetrically penetrated into two ends of the moving plate; the base is fixedly connected with a workbench located between the first upright post and the second upright post; and one end of each of the limiting rods is fixedly connected to the workbench. The pressure testing machine is simple in structure and easy to operate; and due to the interactionof structures such as a first threaded block, a second threaded block and a first threaded rod, a detected material is easy to fix, and thus, the phenomenon that the material is extruded to knock downbodies of working personnel can not happen during detection, and an unforeseen accident can also be avoided.

The invention relates to an automobile throttle over-force switch brake device, the steel wire stay cord on the switching device is immovably connected with gas pedal and slider respectively, the fixed steel wire stay cord on another end of slider is connected with original throttle control, and there are four grooves with slope on the slider, and is inserted with pellets, and circular slot holes are provided on corresponding shell and stroke box for inlaying the pellets, and a little spring is provided on the bottom, and the stroke box is blocked by two pellets, and the pressure spring is placed between the stroke box and the shell, and stroke box tip has frame and ejector pin, and it is pushed on the shaft. When accident happens, step on the gas footboard with strength and pulls the steel wire stay cord and slider, and driving the stroke box to compress the pressure spring tightly, pop out the stroke box with certain distance under the effect of pressure spring and the little spring, the plug promotes out the shaft forward, and the oil pipe on the helping pump dispenses oil to four wheels through the oil dispenser to realize braking of the car. Advantages are: the structure is simple, and the action is sensitive accurate, and is safe and reliable, which is easy for operation, and the dismounting is convenient.

The invention relates to an automobile antiskid wheel sheath, in particular to an antiskid sheath of an automobile tire. The automobile antiskid wheel sheath is cast from high-grade cast iron, the antiskid wheel sheath comprises a left round sheath shell and a right round sheath shell which respectively have the shell thickness of 1.5cm and hoop the same wheel, the wheel surfaces of the two hooped sheath shells have corresponding edges and are fixed on a hub with bolts; each sheath shell wheel surface is provided with an arrow-shaped protrusion pattern block, the protrusion height of each arrow-shaped protrusion pattern block is 5cm, and the distance between adjacent arrow-shaped protrusion pattern blocks is 2cm. In case of overweight round sheath shells, the whole round can be cut into four blocks at 90 degrees, and four sheath shells at 90 degrees at left and right can hoop the wheel in the same mode to take the same antiskid effect. The adopted automobile antiskid wheel sheath has the advantage that accidents of an automobile running on a road severely frozen with ice and snow can be avoided.

The invention discloses a microprocessor-based artificial intelligence control intelligent water dispenser which comprises a central processing unit, a field programmable gate array circuit, a photoelectric detection circuit, a light control lock module, a light key module and a white LED. The central processing unit is connected with the field programmable gate array circuit. The field programmable gate array circuit is connected with the light control lock module. The white LED is connected with the field programmable gate array circuit. The field programmable gate array circuit is connected with the light key module. The photoelectric detection circuit is connected with the field programmable gate array circuit. A photosensitive element receiver, a reflector, a light source, a modulation waveform generator, a modulation waveform processor and a modulation amplifier are arranged in the photoelectric detection circuit. The central control technology which combines a microcontroller and a field programmable gate array is used to improve the processing performance and the processing efficiency of the whole system. The operation of the whole system is stable. The failure rate is effectively reduced.

The invention discloses an intelligent flashlight based on microprocessor artificial intelligence control. The intelligent flashlight comprises a central processing unit, a field programmable gate array circuit, a photoelectric detection circuit, a light-control lock module, a light key module and a white light LED. The central processing unit is connected with the field programmable gate array circuit. The field programmable gate array circuit is connected with the light-control lock module. The white light LED is connected with the field programmable gate array circuit. The field programmable gate array circuit is connected with the light key module. The photoelectric detection circuit is connected with the field programmable gate array circuit. A photosensitive element receiver, a reflector, a light source, a modulation waveform generator, a modulation waveform processor and a modulation amplifier are arranged in the photoelectric detection circuit. The center control technology combining a microprocessor and a field programmable gate array is adopted, thus the processing performance and processing efficiency of the whole system are improved, operation of the whole system is more stable, and the failure rate is lowered effectively.

The present invention relates to a press activating structure for assembling in an electrical product and controlling the electrical product. The press activating structure comprises a button unit, a circuit board and a casing. The button unit has a flexible first plate, at least one dividing trough, a plurality of pressing sites and first contact element, where the dividing trough isolates the first contact elements, and each pressing site corresponds to and simultaneously moved with a first contact element. The circuit board has a plurality of signal generations, where each signal generation is adjacent to a first contact element. The casing has a plurality of dividing elements, whose ends are adjacent to the first plate, to break the first plate into several distinct regions.

The invention discloses a five-degree-of-freedom floating compensation device. The five-degree-of-freedom floating compensation device comprises a mounting base plate; two hinge brackets B are symmetrically and fixedly connected to one end of the mounting base plate, and a limiting bracket is fixedly connected to the other end; two symmetrical swing rods are hinged between the hinge brackets B through a shaft B; the left ends of the two swing rods are hinged with hinge brackets A through shafts A; a rotating shaft C is hinged between the right ends of the swing rods; a counterweight is connected to the middle of the rotating shaft C through a suspension rod; support plates are fixedly connected above the hinge brackets A; limiting clamping plates are fixedly connected above the support plates through two cushion plates on the sides; mounting plates are arranged below the limiting clamping plates, and are fixedly connected with connecting pieces B; and multiple steel balls are arrangedbetween the mounting plates and the support plates. The device has the characteristics of automatic following compensation in connection of two devices or parts, low additional load in connected places and simple and reliable structure.

The invention discloses a barbell stand convenient to use. The barbell stand comprises a supporting base, brackets, and a barbell. The barbell is arranged between the brackets. The brackets are arranged on two sides of the supporting base. The supporting base is provided with a fixed pedestal. Two sides of the fixed pedestal are provided with limiting grooves. The barbell is provided with a joint spindle head. The joint spindle head is provided with a stop lever. The stop lever is moveably arranged in the fixed pedestal. Two ends of the stop lever are provided with fixed pins. The fixed pins are in the limiting grooves. The barbell stand is advantaged by compact structure, flexible connection, high security, good training effect, and good practicality.

The invention discloses a high-speed mobile communication monitored delivery system, which belongs to the technical field of delivery systems. The high-speed mobile communication monitor delivery system comprises track supporting frames, a running trolley and a running track, wherein the track supporting frames consist of short brackets and tall brackets; the running track is formed by splicing a left square pipe, a right square pipe and lower square pipes; the left square pipe and the right square pipe are guiding tracks; the lower square pipes are respectively a tire supporting track and a sliding contact rail; and the running track adopts a hollow truss structure. The running track is spliced at a tail end by adopting a bolt. The running trolley is similar to a motorbike; the sliding contact rail directly supplies power to motors through a carbon brush; the motors all adopt three-in-one brake motors; the parking at a random appointed position can be achieved through decreasing the speed in advance; the motors drive a big sprocket wheel of a driving wheel to rotate; and the big sprocket wheel drives a small sprocket wheel fixed on a driven wheel through a chain, so that the circulating running on a fixed track is realized. By adopting a left horizontal guiding wheel and a right horizontal guiding wheel to move in the guiding tracks, the driving wheel can be used as a universal wheel synchronously, and the continuous running without deceleration can be achieved under the quite small curvature radius of a curved conduit.

The invention discloses a microprocessor based artificial intelligent control intelligent humidifier which comprises a central processing unit, a field-programmable gate array circuit, a photoelectric detection circuit, a light-dependent control lock module, a light-dependent control key module and a white light LED, wherein the central processing unit is connected with the field-programmable gate array circuit; the field-programmable gate array circuit is connected with the light-dependent control lock module; the white light LED is connected with the field-programmable gate array circuit; the field-programmable gate array circuit is connected with the light-dependent control key module; the photoelectric detection circuit is connected with the field-programmable gate array circuit; a light sensitive element receiver, a reflector, a light source, a modulation waveform generator, a modulation waveform processor and a modulation amplifier are arranged in the photoelectric detection circuit; the central control technology capable of combining a microcontroller and a field-programmable gate array is adopted to improve the processing performance and the processing efficiency of a whole system, so that the whole system is more stable to operate, and the failure rate is effectively reduced.

The invention provides an overhead temporary adjusting support frame for cable laying in civil site construction. The overhead temporary adjusting support frame comprises a support device, wherein a rotating device is arranged at the upper end of the whole support device, and the whole rotating device is arranged on the support device in a sleeving mode; a frame device is arranged at the upper end of the rotating device, and the whole frame device is arranged at the topmost end of the frame device; a detection device is arranged on the frame device, and the detection device is mounted at the tail end of the frame device; a hanging device is arranged on the frame device, and the whole hanging device is fixed to the front end of the frame device in a sliding mode; and a clamping device is installed at the tail end of the frame, the root of a spring plate of the clamping device is fixed to a frame supporting rod, a single block is installed at the tail end of the spring plate, and the single block can limit and fix a hanging plate in a sliding groove through the spring plate so as to prevent the hanging plate from sliding out, so the clamping device enables the hanging plate to be safer.

The invention relates to the field of switch cabinet bodies, in particular to a standard MNS low-voltage drawing-out type switch cabinet body of a half function board. The standard MNS low-voltage drawing-out type switch cabinet body of the half block function board comprises a wire inlet unit. The wire inlet unit comprises the half function board, a busbar lining board and an L-shaped vertical bar. A wire inlet box is arranged on the back portion of the half function board. A copper sleeve is arranged in the wire inlet box and is in contact connection with the L-shaped vertical bar. The busbar lining board covers the L-shaped vertical bar. A plug-in port for inlet and outlet of a wire insertion sheet is reserved in the busbar lining board. The standard MNS low-voltage drawing-out type switch cabinet body of the half function board has good insulation effect, and can effectively insulate the influence of electric arcing caused by failure short circuits of switch elements on adjacent units, ensures that failed unit accidents cannot cause related accidents of adjacent function units, ensures that power supply of other devices is stable, and reduces loss.

The invention relates to the technical field of skin effect heating cables, and discloses a skin effect heating cable system, which comprises a production system, wherein the production system comprises a copper wire material roller, a single stranding machine and a high-speed stranding machine, wherein the output end of the copper wire material roller is connected with the input end of the single stranding machine, the output end of the single stranding machine is connected with the input end of the high-speed stranding machine, the output end of the high-speed stranding machine is connected with the input end of an extruder, and the input end of the extruder is connected with the output end of a cooling unit. According to the invention, by arranging a temperature sensor, a signal transceiver and an alarm unit, the working temperature of an extruder can be monitored through the temperature sensor, then a signal can be transmitted to the signal transceiver and the alarm unit, and then when the temperature is high, a flashing lamp and a buzzer in the alarm unit work, and workers are reminded so as not to occur accidents in the processing process and so as to improve the quality of finished cables.

The invention disclose a one-way position limiting switch, which comprises two position limiting switches, wherein at least one diode and a capacitor are connected in parallel onto the position limiting switches, the two position limiting switches are respectively arranged at the positive electrode input end and the negative electrode input end of a direct current motor, the diode and the capacitor are connected in parallel on the position limiting switch, the positive electrode end of the direct current motor is connected with a cathode of the diode, and the negative electrode end of the direct current motor is connected with a negative electrode of the diode. The one-way position limiting switch has the following advantages that wire materials are saved, and the problem of relatively complicated wiring mode for realizing the positive and reverse position limitation is solved; the speed modulation is not influenced, and the pulse-width modulation (PWM) speed modulation control of the motor is not influenced; the loss is very little, the surge circuit impact on the diode is effectively prevented, and the service life of the diode is prolonged; and the safety is high.

The invention discloses an oral-suction type portable atomizer. In the atomizer, a nozzle is arranged at one end of a shell; a liquid storage box with a liquid storage cavity is arranged inside the shell, and one end of the liquid storage box is connected with an atomizing device; the atomizing device comprises an atomizing component which comprises a liquid suction nozzle seat and a heat device;one end of the liquid suction nozzle seat is provided with an atomizing cavity, and a vent pore communicated with the atomizing cavity is formed at the other end of the liquid suction nozzle seat; the heat device is fixed in the atomizing cavity, and comprises a liquid guiding component; the liquid guiding component comprises a liquid suction nozzle and a liquid guiding wire; one end of the liquid suction nozzle is inserted in the liquid storage cavity of the liquid storage box, and liquid sealing is formed on the contact part of the liquid suction nozzle and the liquid storage box; the otherend of the liquid suction nozzle is communicated with the atomizing cavity of the liquid suction nozzle seat; the liquid guiding wire is wound on the heat device; and two end parts of the liquid guiding wire are introduced into the liquid suction nozzle. By the atomizer, a stored medicinal liquid can be uniformly introduced to the heat device, and a user can use a fresher medicinal liquid.

The invention discloses a robot automatic control system based on microprocessor visible light communication technology. The system comprises a central processor, a field programmable gate array circuit, a photoelectric detection circuit, a light-operated lock module, a light key module and a white light LED. The central processor is connected with the field programmable gate array circuit; the field programmable gate array circuit is connected with the light-operated lock module; the white light LED is connected with the field programmable gate array circuit; the field programmable gate array circuit is connected with the light key module; and the photoelectric detection circuit is connected with the field programmable gate array circuit. The photoelectric detection circuit is internally provided with a photosensitive element receiver, a reflector, a light source, a modulation waveform generator, a modulation waveform processor and a modulation amplifier. Through center control technology with the microcontroller and a field-programmable gate array being combined, processing performance and processing efficiency of the whole system are improved, the whole system is allowed to operate more stably and failure rate is reduced effectively.

The invention discloses a safety anti-falling device for steel structure engineering construction. The safety anti-falling device comprises a top plate, stand columns are connected to the two sides of the top plate, a speed sensor is mounted in the top plate, a traction motor is connected to the top of the top plate, the power output end of the traction motor is connected with a steel wire rope, the steel wire rope is connected with a hanging plate, guide sleeves are connected to the two sides of the hanging plate, transmission teeth are connected into the guide sleeves, the transmission teeth are in engaged connection with racks, mounting cavities are formed in the two sides of the hanging plate, rotating shafts are connected into the mounting cavities, the two sides of the rotating shafts penetrate through the hanging plate and the guide sleeves and are connected with the transmission teeth, anti-falling wheels are connected to the two sides of the rotating shafts, anti-falling clamping jaws are connected to the upper sides and the lower sides of the anti-falling wheels, hydraulic oil cylinders are connected to the anti-falling clamping jaws on the upper sides and the lower sides, the stand columns on the two sides are provided with anti-falling grooves, first electric air cylinders are mounted in the stand columns, the power output ends of the first electric air cylinders are connected with drawing rods, the drawing rods are hinged to a plurality of anti-falling clamping teeth, the two sides of the hanging plate are connected with anti-falling guide seats, and the anti-falling guide seats are connected with ratchet wheel clamping teeth.

A fixing device for a petroleum drilling diesel engine comprises a base, a fixing frame, a fixing block, fastening devices, positioning devices, moving devices, rotating devices and supporting devices. A containing cavity, friction blocks and a first magnet are arranged on the fixing frame. A second magnet is arranged on the fixing block. Each fastening device comprises a first transverse rod, a first vertical rod and a rotating part. Each positioning device comprises a positioning frame, a first support, a second vertical rod and a second transverse rod. Each moving device comprises a moving rod, a fastening block, first saw teeth and springs. Each rotating device comprises a first supporting rod, a second supporting rod, a third transverse rod, a rotating wheel and second saw teeth. Each supporting rod comprises a third supporting rod and a second support. The lower surfaces of the first supports and the lower surfaces of the second vertical rods are in sliding connection with the upper surfaces of the moving rods, the lower surfaces of the second transverse rods are in sliding connection with the upper surfaces of the moving rods, one side face of each fastening block is fixedly connected with the corresponding moving rod, and the fastening blocks abut against the side faces of the fixing blocks. The fixing device can effectively fix the diesel engine and prevent the diesel engine from vibrating.

The invention relates to the field of switch cabinet bodies, in particular to a standard MNS low-voltage drawing-out type switch cabinet body of a half function board. The standard MNS low-voltage drawing-out type switch cabinet body of the half block function board comprises a wire inlet unit. The wire inlet unit comprises the half function board, a busbar lining board and an L-shaped vertical bar. A wire inlet box is arranged on the back portion of the half function board. A copper sleeve is arranged in the wire inlet box and is in contact connection with the L-shaped vertical bar. The busbar lining board covers the L-shaped vertical bar. A plug-in port for inlet and outlet of a wire insertion sheet is reserved in the busbar lining board. The standard MNS low-voltage drawing-out type switch cabinet body of the half function board has good insulation effect, and can effectively insulate the influence of electric arcing caused by failure short circuits of switch elements on adjacent units, ensures that failed unit accidents cannot cause related accidents of adjacent function units, ensures that power supply of other devices is stable, and reduces loss.

The invention discloses a plate center drilling machine capable of preventing accidents. A cavity is formed in a drilling machine body, the lower side of the cavity communicates with a clamping cavity, and the clamping cavity is internally provided with a plate clamping device. The plate clamping device comprises clamping blocks which are slidably matched with the interior of the clamping cavity in a left-right symmetry mode. The drilling machine can accurately position plates in different sizes for center drilling; in the downward pressing stroke of a lifting block, a spline drill bit does not rotate, and the spline drill bit starts drilling only after receiving uplifting pressure, so that an operator is protected against the accidents; and meanwhile, after drilling is completed, the device can automatically push out the plates, and chippings are pushed into a tank for collection.

The invention discloses an artificial intelligent fog and haze system based on a microprocessor. The system comprises a central processing unit, a field-programmable gate array circuit, a photoelectric detection circuit, an optically-controlled lock module, an optical key module and a white light LED; the central processing unit is connected with the field-programmable gate array circuit, the field-programmable gate array circuit is connected with the optically-controlled lock module, the white light LED is connected with the field-programmable gate array circuit, the field-programmable gate array circuit is connected with the optical key module, and the photoelectric detection circuit is connected with the field-programmable gate array circuit; a photosensitive element receiver, a reflection mirror, a light source, a modulation waveform generator, a modulation waveform processor and a modulation amplifier are arranged in the photoelectric detection circuit. According to the system, a central control technique combining a microcontroller with a field-programmable gate array is adopted, therefore, the processing property and the processing efficiency of the whole system are improved, the whole system runs more stably, and the failure rate is effectively decreased.