56results about How to "With automatic protection function" patented technology

The invention relates to a damping adjustable magneto-rheological damper. The damper is capable of settling the problems that the area of the damping channel of existing magneto-rheological dampers is small, and the produced damping force is weak. A magneto-rheological fluid channel is added in the piston, namely, more than two disk-shape cavities are arranged at the middle part inside the piston in a parallel manner; a damping channel is arranged on the piston in axial direction; the middle part of the top of the disk-shape cavity is communicated with the damping channel, and the upper end of the damping channel is communicated with an outlet, and the outlet is arranged on the piston rod in an axial direction and communicated with an upper working space; the middle part of the lower disc-shape cavity bottom is communicated with an inlet channel. A connecting tube is arranged between more than two disc-shape cavities respectively for intercommunication. The damping force of the damper has a wide range of variation; the magnetic field strength is taken full advantage of; the chain area of the magneto-rheological fluid is increased; and the variation scope of the damping force of the damper is increased. The outlet and the inlet adopt different designs, different compression and return damping forces can be produced to meet different requirements; an extra spring can bear the static load and has damping function.

The invention discloses a high-low-voltage switch cabinet with an automatic protection function. The high-low-voltage switch cabinet comprises a cabinet body and a machine seat, wherein connecting blocks are fixedly connected onto the bottoms of the left and right sides of the cabinet body; support rods are fixedly connected onto the inner walls of the two sides of the machine seat through fixingblocks; the connecting blocks are inserted and connected onto the support rods; a first strong power spring and a second spring power spring are connected onto each support rod in a sleeving way; thetop end of the first strong power spring is fixedly connected onto the top end of the support rod; and the bottom end of the first strong power spring is fixedly connected with the upper surface of the connecting block. Through the arrangement and the mutual matching of the cabinet body, a fan, a ventilation pipe, a multi-way pipe, an air suction head and a temperature sensor, the problem that theexisting high-low-voltage switch cabinet cannot timely and effectively discharge heat is solved; and through the arrangement and the mutual matching of a dry powder fire-fighting box, a conveying pipe, a spray head, an electric control valve and a smoke sensor, the problem that the existing high-low-voltage switch cabinet cannot perform fire hazard control on inside electric appliance elements issolved.

The invention discloses a seismic exploration submarine cable recycling and coiling device, which is applied to collecting underwater cables after seism in areas such as lakes, rivers and oceans in oil seismic exploration. The seismic exploration submarine cable recycling and coiling device is characterized by mainly comprising a bow crawler-type cable collecting machine and a hoisting cable coiling device, wherein the bow crawler-type cable collecting machine is fixed to the deck of the bow of a cable boat; the hoisting cable coiling device is longitudinally fixed to the center of a working area of the cable boat; a submarine cable is inserted into the bow crawler-type cable collecting machine through a cable guide slot and is posited on a rubber track and between a driven pinch roller and a driving pinch roller; and then the submarine cable is inserted between a driven suspend roller and a driving suspend roller of the hoisting cable coiling device. The invention has the advantages that the seismic exploration submarine cable recycling and coiling device can normally recycle cables under the six-grade oceanic condition; the cables are recycled by machines under the assistance of staff, and the maximum 50-meter depth mechanical cable recycling operation is realized; 40 to 50 percent of the conventional cable recycling operators are saved, and the labor intensity of the cable recycling operators is reduced to the greatest extent; and the cables are prevented from being damaged and the damage rate of the cables is reduced.

The great power LED lamp with cooling structure consists of casing, lamp body assembly, light emitting assembly and lamp socket with plug. The lamp body assembly includes light shade, lens and cooling plate. The light emitting assembly includes constant current and voltage stabilizing power source, and great power LED lamp connected to the power source. The cooling plate includes bottom plate and cooling sheet. The lamp socket with plug has one inner notch for embedding the lamp body assembly. The great power LED lamp is beautiful and energy saving, and has automatic protection function.

The invention discloses an electrical cabinet apparatus with an automatic protection function. The electrical cabinet apparatus comprises a ground-buried protective cabinet; the ground-buried protective cabinet is provided with a hoisting oil cylinder; the bottom of the hoisting oil cylinder is fixed on the electrical cabinet; the electrical cabinet can be lifted under the action of the lifting oil cylinder; when the electrical cabinet is in an upper port position, a board-lifting motor in the electrical cabinet is started to lift a one-way bent type supporting board by a pulling rope; when the supporting board is lifted to a certain height, the supporting board is put down; the ground around the upper port of the ground-buried protective cabinet is pressed by the one-way bent type supporting board, and the electrical cabinet is supported; a telescopic cover board is in a telescopic state, and the electrical cabinet works on the ground; a wind speed sensor and a humidity sensor constantly collect the outdoor wind speed and humidity; when a single chip microcomputer circuit judges that rain or heavy wind is coming based on the received data, the single chip microcomputer circuit enables the electrical cabinet to enter the ground-buried protective cabinet, and the upper port of the ground-buried protective cabinet is covered by the telescopic cover board. Therefore, the electrical cabinet apparatus can be wind-preventing and rain-preventing, so that aging speed of electrical apparatus elements in the electrical cabinet can be slowed down.

The damper valve realized on flow regulating principle is key part in automatic hydraulic damping regulation system and is suitable for descending speed control of hydraulic slowly descending chain lift and other similar fields. The damper valve consists of mainly preset nut, flow regulating rod, large piston, small piston, regulating cylinder, main valve body casing, spring and auxiliary valve body casing. It is used in realizing damping in automatic hydraulic damping force controlling system. The damper valve features damping force increased with raised hydraulic pressure, damping force presetting function, capacity of work on high hydraulic pressure condition, and automatic protection function against overload.

The invention discloses a sick pig monitoring apparatus based on infrared thermal imaging. The apparatus includes a detection end and a control end which are connected through an emission end and a receiving end. The detection end includes an ear tag base body and a processor. The control end includes a signal processing apparatus and an image segmentation machine. The emission end includes an infrared emitter. The receiving end includes an infrared thermal imaging system and an infrared receiver. The processor is connected to an accelerometer, a temperature sensor, a gyroscope and an infrared emitter. The processor, the accelerometer, the temperature sensor, the gyroscope and the infrared emitter are all arranged inside the eat tag base body. The infrared thermal imaging system and the infrared receiver are connected to the controller, and are all arranged at the top part of a hog house through a rotation pedestal. According to the invention, the detection of temperature of pigs and a hog house can help to monitor whether pigs are fit or not and the living conditions of the pigs, and infrared rays can realize wireless data transmission and dual path monitoring of the infrared thermal imaging system and monitoring data. The apparatus can position, track and monitor pigs, and can realize automatic pig raising.

The invention discloses an auto-cleaning high-heat-production type flat plate solar collector. The flat plate solar collector is characterized in that a transmission device arranged below a horizontal center shaft of a rack (7); the transmission device comprises motors (5), a rotary shaft (6), photosensitive sensors (10) and timing controllers (9); the motors are fixedly connected with the rotary shaft (6); the photosensitive sensors (10) are connected with the rotary shaft (6) through the timing controllers (9); the top end of the rack (7) is provided with cleaning devices (1); each cleaning device (1) comprises a hairbrush and spray nozzles, the spray nozzles communicate with a water storage tank (11) through a water pump, and the hairbrushes are mounted on supporting shafts; the two ends of each supporting shaft are provided with guide wheels (8), and the guide wheels (8) slide along guide rail grooves (2). Compared with manual cleaning, the auto-cleaning high-heat-production type flat plate solar collector is more convenient and easier to use and capable of saving time and labor and collecting more heat, and has an automatic protection function; when the flat plate solar collector is not in use, the transport and storage time can be shortened; the auto-cleaning and high-heat-production type flat plate solar collector is good in stationarity in the using process.

The invention relates to an ultra-quiet air-control automatic variable-frequency high-rise building water supply system, which comprises a rack. A water inlet connecting pipe and buffer water taking devices are installed on the rack. One end of the water inlet connecting pipe is communicated with a tap water pipe network. The other end of the water inlet connecting pipe is communicated with two to six parallel buffer water taking devices through water inlet valves. Submerged pumps are respectively installed in the buffer water taking devices. The water outlet pipes of the submerged pumps are communicated with a water supply buffer through water supply pipes and check valves. A sewage drain pipe and a water outlet pipe are arranged at the lower part of the water supply buffer. A sewage drain valve is arranged on the sewage drain pipe. A water outlet valve is arranged on the water outlet pipe. The water outlet pipe is communicated with a user water pipe. An air control pipe is installed at the upper part of the water supply buffer. A pressure sensor is installed on the air control pipe. The ultra-quiet air-control automatic variable-frequency high-rise building water supply system is a new generation of low-energy-consumption intelligent advanced equipment which is developed aiming at meeting high-rise building water supply demands. Compared with commonly used electric-control variable-frequency equipment, more than one third of operating costs and energy are saved, the occupied space is small, the investment is saved and the water pressure is more stable; and the comprehensive cost is reduced by approximate 70 percent relative to other water supply methods.

The invention discloses a large-power LED (light-emitting diode) streetlamp which comprises a radiating base, wherein at least three LED lamps which are connected are embedded into the concave bottom surface of the radiating base; the periphery of the notch of the radiating base is assembled with a light transmission cover; the outer part corresponding to the concave bottom surface of the radiating base is provided with a conditioned radiating body with a special design; LED lamp heads are in sleeving connection with corresponding lenses; a lens fixing cover plate is clamped between the radiating base and the light transmission cover; the lens fixing cover plate is provided with lens holes which are corresponding to the LED lamps in number; and the end parts of the lenses are embedded into the corresponding lens holes. The large-power LED streetlamp is energy-saving and is delicate in model; a main body model is manufactured from materials such as excellent plastic, a glass aluminum material and the like; and the large-power LED streetlamp has an active protection function, and has the characteristics of being wide in scope of application, remarkable in power-saving effect, relatively low in price, and the like.

The invention discloses an antitoxin and anti-drift helmet suitable for the operation of a plant-protecting unmanned aerial vehicle and a use method of the antitoxin and anti-drift helmet. The antitoxin and anti-drift helmet comprises a helmet body, a shielding screen arranged on the helmet body, a shielding screen driving mechanism for driving the shielding screen to be opened and closed, a fog drop detecting module used for detecting the concentration of fog drops near the helmet, and a control system, wherein the fog drop detecting module comprises a fog drop monitoring sensor and a first motor; and the control system comprises a safety monitoring processor, a wireless transmission module and a power supply, and the fog drop monitoring sensor, the shielding screen driving mechanism andthe first motor are connected with a signal input end of the safety monitoring processor. With the antitoxin and anti-drift helmet provided by the invention, when fog drops drift so as to cause invasion to a drone pilot, a protection role can be played on the drone pilot, the spraying operation of the plant-protecting unmanned aerial vehicle also can be controlled, so that a pollution source is cut off from the source, and the effects of reducing the waste of pesticides and reducing the environmental pollution are achieved.

The invention relates to the technical field of billboards, and discloses a device for automatically protecting a billboard by utilizing natural wind power, a combining piece is movably connected to the left side in a metal fitting, and an extension rod is movably connected to the bottom end of a flat plate. According to the device for automatically protecting a billboard by utilizing natural windpower, when wind blows outdoors and the wind speed is larger than the weight of a turntable, the device runs when the wind speed is larger than the wind power action of the turntable, the turntable acts on a linkage rod to rotate which is an intermittent motion and rotates by 120 degrees each time, the user has enough remaining time, under the matching action of a rotating shaft, a bevel gear anda vertical rod, and when the device rotates, the effect of three-side sequential rotation is formed, so that the advertising component has the effect of three-side rotation display, the device can check information on the advertising component more visually and more clearly through all-dimensional rotation, and the purposes of all-dimensional propaganda, energy saving and cost reduction are achieved.

The invention provides a stamping-type molding stick-making machine comprising a power device, an extruding device and a forming mold, all of which are connected in sequence and arranged on a base; the stamping-type molding stick-making machine further comprises a lubricating and cooling device; the lubricating and cooling device comprises an oil tank, an oil pump and a flow adjusting controller, all of which are connected in sequence; the flow adjusting controller is divided into a plurality of branches connected to lubricated and cooled parts; and the lubricated and cooled parts are connected with the oil tank to form a circulating oil path. The machine has the following beneficial effects that the purpose of multi-oil-path synchronous lubrication can be fulfilled, the friction heat of a moving part can be reduced by oil solution cycling, the lubricating and cooling effects are good, the apparatus is worn slowly, and the problems of high temperature and wearing which frequently occur in the apparatus can be solved well. Meanwhile, the product is small in size, low in energy consumption, high in yield and production efficiency and capable of compacting materials twice, automatically adjusting the feeding amount of the materials, achieving automatic protection function and fulfilling the functions of automatic warning and stopping when in fault.

The invention provides a rotary lead door with an automatic protection function. The rotary lead door comprises a main body, wherein a lead door body is fixedly mounted on the outer side of the main body; a first lead plate and a second lead plate are mounted in the lead door body; a movable part is fixedly mounted on the inner wall of the main body; a mounting part is mounted in the movable part; a groove is formed in the mounting part; and a mounting spring is fixedly mounted on the inner wall of the groove. According to the rotary lead door with the automatic protection function, when the lead door is quickly pushed, the movable part is promoted to generate a relatively large centrifugal force due to overexertion of people behind, and then a fixed clamping piece pulls the mounting spring to move outwards, so that the fixed clamping piece is attached to a fixed clamping groove in a fixed shaft; and the fixed clamping piece is effectively clamped by utilizing the fixed clamping groove, so that the rotating force of the lead door body is effectively relieved, automatic protection of people in front is realized, and the injury caused by the fact that people do not notice the lead door to get close is avoided.

The invention discloses an automatic welding robot with an automatic protection function. The robot comprises a robot body, a shooting mechanism, a servo motor, a wire passing bin and a welding head body. A first device bin is mounted at the output end of the robot main body; a spring is mounted at the inner bottom of a second device bin; first limiting blocks are fixed to the two sides of the second device bin respectively; a first bevel gear is fixed to the end, away from the shooting mechanism, of a first rotating shaft; a mounting block is fixed to the bottom of the side of the second device bin; a first coil spring is mounted on the side of a cleaning plate; and the servo motor is mounted at one side of the second device bin. According to the automatic welding robot with the automaticprotection function, scrap iron generated by welding can be fully blocked, the welding robot itself and the surrounding are well protected, and the shooting mechanism near the welding head can be imaged and is not prone to being affected by smoke generated by welding and the scrap iron.

The invention discloses an intelligent motor power saver. A second current sampling unit is connected with a motor and further connected with a power adjusting unit which is connected with a voltage sampling unit and a first current sampling unit respectively, the voltage sampling unit, a zero detection unit, a sawtooth wave formation unit and a power adjusting signal synthesizing unit are connected sequentially, the second current sampling unit, a phase demodulation unit and the power adjusting signal synthesizing unit are connected sequentially, the voltage sampling unit is further connected with the phase demodulation unit, and the power adjusting signal synthesizing unit is connected with the power adjusting unit through a shift switch which is connected with a square-wave oscillator. By adopting the technical scheme, input power of the motor can be adjusted according to load rate of the motor to guarantee the motor to work with optimal efficiency to improve actual working efficiency of the motor and achieve power-saving effects.

The invention relates to an automatic protection type multi-output power transformation device. The automatic protection type multi-output power transformation device comprises a transformer body, a shell, a monitoring system and a main control system. The monitoring system comprises two infrared temperature measurement sensors, a moving device, an imaging module and an image processing module, the moving device drives the two infrared temperature measurement sensors to move back to back or in opposite directions, and the imaging module receives infrared ray difference, collected by the infrared temperature measurement sensors, in the transformer body and generates thermal imaging information of the transformer body. And the image processing module compares the thermal imaging information and positions abnormal infrared difference signals. The transformer body is provided with a plurality of input voltages, a plurality of output voltages and a plurality of independent transformation circuits. According to the automatic protection type multi-output power transformation device, an abnormal circuit in the transformer body can be identified and positioned through the infrared temperature measurement sensor, then the abnormal circuit is automatically closed through the main control system, the automatic protection function is achieved, and the safety of the transformer body is improved.

The invention discloses a method for protecting a veneer. The method includes the following steps: when detecting the temperature of a detected chip exceeds a preset threshold, closing the unused work group of the detected chip and detecting the temperature of the detected chip again; during the second detection process, when detecting the temperature of the detected chip still exceeds the presetthreshold and the veneer of the detected chip is a main board, then sending out a alarm signal, switching from the main board to a spare board, closing all BANKs of the detected chip and continuouslydetecting the temperature. The invention also discloses a device for protecting the veneer. The adoption of the method and the device can reduce the chip power consumption on the veneer and protect the veneer, thus improving the work stability of the veneer.

The invention discloses a punching stick manufacturing machine. The punching stick manufacturing machine comprises a power device, an extruding device and a forming die which are arranged on a base and sequentially connected. The extruding device comprises a pre-tightening spiral and a punching extruding mechanism. The pre-tightening spiral is connected with the side face of a material cavity. The forming die is fixedly communicated with the rear end of the material cavity. The punching extruding mechanism is aligned with the forming die through the material cavity. The pre-tightening spiral is located in a pre-tightening material bin which is located on and communicated with the side face of the material cavity. The punching extruding mechanism comprises an eccentric wheel driven by the power device, a pull rod, a large punching rod and a small punching rod, wherein the starting end of the pull rod is arranged on the eccentric wheel in a sleeving mode, the large punching rod is hinged to the tail end of the pull rod, and the small punching rod is fixed to the tail end of the large punching rod. A rapid carbonizing device is arranged on the outer side of the forming die in an annular mode. The punching stick manufacturing machine is automatically controlled through an automatic control system in the device running process; by means of the rapid carbonizing device, the appearance of formed core sticks is black, and the energy utilization rate of the product is greatly increased.

The invention discloses an automatic testing device for intergranular corrosion of a metal material. The device comprises a cabinet. The cabinet is provided with trundles which can move integrally. The middle test area is hollow and is provided with a closable toughened glass cabinet door. The lifting platform is fixed at the bottom of the cabinet test area. The electric heating sleeve and the glass container are placed on the lifting platform and can move up and down. The container top cover is fixed on the inner wall of the cabinet through the upper fixing ring, the solution temperature sensor, the steam pressure sensor and the condenser pipe are all fixed on the container top cover, and the PID regulator, the display alarm instrument and the electronic recorder are all installed in theclosed cabinets on the two sides to be isolated from a test area. The device has the advantages that automatic control is added, the intergranular corrosion test process can be completed in an unattended mode, the micro-boiling state of a corrosion solution can be accurately controlled, various abnormal states can be alarmed, and the automatic protection function is achieved. Circulating cooling water is used, so that water resources are saved, and the water consumption is reduced from 4 tons each time to almost no water consumption.

The invention discloses a seismic exploration submarine cable recycling and coiling device, which is applied to collecting underwater cables after seism in areas such as lakes, rivers and oceans in oil seismic exploration. The seismic exploration submarine cable recycling and coiling device is characterized by mainly comprising a bow crawler-type cable collecting machine and a hoisting cable coiling device, wherein the bow crawler-type cable collecting machine is fixed to the deck of the bow of a cable boat; the hoisting cable coiling device is longitudinally fixed to the center of a working area of the cable boat; a submarine cable is inserted into the bow crawler-type cable collecting machine through a cable guide slot and is posited on a rubber track and between a driven pinch roller and a driving pinch roller; and then the submarine cable is inserted between a driven suspend roller and a driving suspend roller of the hoisting cable coiling device. The invention has the advantages that the seismic exploration submarine cable recycling and coiling device can normally recycle cables under the six-grade oceanic condition; the cables are recycled by machines under the assistance of staff, and the maximum 50-meter depth mechanical cable recycling operation is realized; 40 to 50 percent of the conventional cable recycling operators are saved, and the labor intensity of the cable recycling operators is reduced to the greatest extent; and the cables are prevented from being damaged and the damage rate of the cables is reduced.

The invention relates to the technical field of measuring cameras, and discloses a multi-lens oblique photogrammetry camera for architectural design, which comprises a measuring camera, a control mechanism is mounted at the top of the measuring camera, the control mechanism comprises a connecting plate, and a control box is fixedly connected to the top of the connecting plate. A mounting frame is fixedly connected to the top of the control box, a control motor is fixedly connected to the interior of the mounting frame, and a protection mechanism is hinged to the outer side of the control mechanism. According to the multi-lens oblique photogrammetry camera for building design, the camera is measured to be excessively inclined, a sliding block slides under the action of gravity, the sliding block touches a protection switch, the protection switch enables a control motor to rotate reversely rapidly, the control motor drives protection plates to swing downwards through a pull rod, and the four sets of protection plates swing downwards at the same time to be closed to form a protection box; and the protection box protects the measurement camera inside, so that the effects of automatic protection function and safe use are achieved.

The invention discloses a self-protection direct-current contactor driving circuit which comprises an isolation optocoupler, a bidirectional thyristor, a voltage regulator tube, a MOSFET (metal oxidesemiconductor field effect transistor), a reverse-connection-preventive diode, a freewheel diode, a filter circuit, a resistor, a first voltage dividing resistor, a second voltage dividing resistor and a driving resistor. The isolation optocoupler is connected with a positive electrode of a power source by an isolation fifth resistor and is connected with an end of the second voltage dividing resistor, an end of the bidirectional thyristor and an end of the driving resistor by the first voltage dividing resistor. The self-protection direct-current contactor driving circuit has the advantages that high-power direct-current contactors can quickly and reliably work by the aid of the self-protection direct-current contactor driving circuit, and the self-protection direct-current contactor driving circuit has an automatic protection function; the direct-current contactors can reliably work by the aid of the self-protection direct-current contactor driving circuit, stable and reliable work of the direct-current contactors can be guaranteed, the contactors can be prevented from being damaged, the service lives of the direct-current contactors can be prolonged, the use efficiency of the direct-current contactors can be improved, the direct-current contactors are safe for a long term, and the control performance and the use safety performance of the integral direct-current contactors can be improved.

The invention provides a stamping-type molding stick-making machine comprising a power device, an extruding device and a forming mold, all of which are connected in sequence and arranged on a base; the stamping-type molding stick-making machine further comprises a lubricating and cooling device; the lubricating and cooling device comprises an oil tank, an oil pump and a flow adjusting controller, all of which are connected in sequence; the flow adjusting controller is divided into a plurality of branches connected to lubricated and cooled parts; and the lubricated and cooled parts are connected with the oil tank to form a circulating oil path. The machine has the following beneficial effects that the purpose of multi-oil-path synchronous lubrication can be fulfilled, the friction heat of a moving part can be reduced by oil solution cycling, the lubricating and cooling effects are good, the apparatus is worn slowly, and the problems of high temperature and wearing which frequently occur in the apparatus can be solved well. Meanwhile, the product is small in size, low in energy consumption, high in yield and production efficiency and capable of compacting materials twice, automatically adjusting the feeding amount of the materials, achieving automatic protection function and fulfilling the functions of automatic warning and stopping when in fault.

The invention discloses a method and system for preventing wire breakage in a power failure of a winding machine. The method comprises the following steps that when a winding machine body is connected into a mains supply, a power supply management device of the winding machine body automatically selects a mains supply power supply mode and sends mains supply power supply signals to an intelligent power source switching controller, and the winding machine body is controlled to work normally; when the mains supply stops supplying power due to the power failure, the power supply management device of the winding machine body detects that the mains supply power supply voltage is zero and automatically switches to a backup power source power supply mode, a backup power source is used for continuously supplying power to the winding machine body, meanwhile, the power supply management device sends out backup power source power supply signals to the intelligent power source switching controller, the intelligent power source switching controller receives the backup power source power supply signals and then controls the winding machine body to work continually, shutdown signals are sent to the power supply management device after a winding cycle is ended, the power supply management device automatically cuts off the power supply, the winding machine body stops working, and wire breakage prevention is achieved. The invention further discloses a system for implementing the method.

The invention relates to the technical field of network science and technology, and discloses router intelligent manufacturing equipment capable of avoiding network delay and unsmoothness According to the intelligent router manufacturing equipment capable of avoiding the network delay and the unsmoothness, when the network of the equipment is interrupted, a rotating roller is electrified to rotate anticlockwise, the rotating roller does not rotate under the normal frequency of the network, the rotating roller moves rightwards along teeth on an actuating rod and is driven to move, under the action of a middle seat, the metal strip is inserted into a matched groove in the sliding groove and abuts against a metal accessory connected with the swing block in the sliding groove to move, the swing block generates rotating force, the swing block rotates anticlockwise to drive the main shaft to move synchronously, the main shaft is inserted downwards from the metal block at the top end, the main shaft operates anticlockwise downwards to drive the push rod to operate, the push rod abuts against the adjusting plate to move, the adjusting plate drives the metal sliding blocks at the two ends to move downwards, current in the metal sliding blocks is transported in an accelerated mode, and then the situation that the router is broken and interrupted due to shaking is prevented.

The invention relates to an overload protective system of a drilling machine. The overload protective system comprises a rotary motor, a feeding cylinder, a motor forward pressure pipeline and a drilling cycle system pressure pipeline, wherein the rotary motor is connected with the motor forward pressure pipeline, and the feeding cylinder is connected with a feeding pressure pipeline. The overload protective system is characterized in that a hydraulic sequence valve and an external control reversing valve are serially connected to the feeding pressure pipeline, a control port of the hydraulic sequence valve is connected with the motor forward pressure pipeline, and a control port of the external control reversing valve is connected with the drilling cycle system pressure pipeline. The overload protective system of the drilling machine, provided by the invention, has a simple structure and is reliable; and drilling accidents of the drilling machine in a working process are avoided, the overload of the drilling machine can be prevented, and the automatic protection function is achieved.

The invention discloses an electric iron with an automatic protection function. A gasification chamber is fixedly formed in the lower part of a water storage cabin; a solenoid valve is arranged between the water storage cabin and the gasification chamber; a heating plate is arranged below the gasification chamber; an ironing plate is arranged below the heating plate; spraying nozzles are arranged in the inner cavity of the ironing plate, and are connected with the gasification chamber which is formed in the inner part of a shell through guide pipes; a solenoid valve is fixedly mounted in each spraying nozzle; a liquid level sensor is arranged at the lower part in the water storage cabin; a water inlet is formed in the upper part of the left side of the shell; a distance detecting device is arranged on the left side of the shell; a distance sensor is fixedly mounted at each of the left end and the right end of the distance detecting device. According to the electric iron with the automatic protection function, whether the electric iron is in a working state can be determined in the mode of positioning by adopting double distance sensors; meanwhile, a power line is convenient to accommodate in the mode of adopting a winder, so that family property is prevented from danger.

The invention discloses a wind driven generator with an automatic protection function. The wind driven generator comprises a bottom plate, a power generation assembly, a protective assembly, a supporting assembly and an angle adjusting assembly, wherein the bottom plate is designed in such as way that: a supporting barrel is fixed to the upper side surface of the bottom plate, a sliding pipe is slidably connected to the upper end of the interior of the supporting barrel, a rack is fixed to the circumferential surface of the sliding pipe, and a mounting barrel is rotationally connected to the upper end surface of the sliding pipe; and the power generation assembly is designed in such as way that: the power generation assembly comprises a mounting box, a power generator, a reduction gearbox, a rotating shaft, a connecting disc and fan blades, the mounting box is fixed to the upper end surface of the mounting barrel, the power generator is mounted at the left end in the mounting box, an input shaft of the power generator is connected with an output shaft of the reduction gearbox, and the reduction gearbox is mounted at the middle part of the lower side wall in the mounting box, and a through hole is formed in the front side surface of the mounting box, so that a height can be adjusted very conveniently, and a rotating speed of the fan blades can be reduced when wind power is too large.