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105results about How to "Affect damage" patented technology

Electric leakage induction and protection control system on electric water heater

ActiveCN102954593AEnsure safetyAvoid damage to the detection deviceFluid heatersPipingElectric heating
The invention discloses an electric leakage induction and protection control system on an electric water heater. The electric leakage induction and protection control system on the electric water heater comprises a control module; a water tank filled with water is provided with an electric heating device; a power supply switch is arranged between the electric heating device and a power supply; the water outlet end of the water tank is connected with an electric insulation water tube; and the electric insulation water tube is also provided with a center-penetrating type current mutual inductor detection module and an effluent control valve. The electric leakage induction and protection control system aims to detect the magnitude of leakage current by the center-penetrating type current mutual inductor detection module; when the control module judges that the leakage current exceeds a preset value to cause harm to a user, the power supply switch is controlled to be cut off; after the power supply switch is cut off, the effluent control valve is controlled to cut off the effluent when the electric leakage current is detected to still exceed the preset value so as to prevent the electric leakage current from contacting with a user via water flow; in addition, because the electric insulation water tube is arranged between the water tank and the water outlet end, the leakage current can be prevented from contacting with the user via equipment so as to guarantee the safety of the user.
Owner:VATTI CORP LTD

Start control method and system for variable-frequency air conditioner and air conditioner

The invention relates to a start control method and system for a variable-frequency air conditioner and the air conditioner. The start control method for the variable-frequency air conditioner comprises the following steps that a target frequency Fd, a first frequency Fa and a second frequency Fb are set; a variable-frequency compressor is controlled to operate at the frequency Fa till a pressure difference is established, and a four-way valve of the variable-frequency air conditioner reverses; the frequency of the variable-frequency compressor is controlled to drop to the frequency Fb from the frequency Fa, the variable-frequency compressor operates at the frequency Fb for the time T1, and pressure buffering and preheating are conducted on the variable-frequency air conditioner; the target frequency Fd is compared with the frequency Fb, and the frequency of the variable-frequency compressor is controlled to directly drop to the target frequency Fd if the target frequency Fd is smaller than the frequency Fb; the second frequency Fb of the variable-frequency compressor is controlled to be stabilized at the target frequency Fb after frequency rising and frequency dropping are conducted multiple times if the target frequency Fd is larger than the frequency Fb. According to the start control method and system for the variable-frequency air conditioner and the air conditioner, frequency rising of an air-conditioning system can be achieved, and the situations that safe operation of the compressor is affected due to the fact that oil is excessively discharged during frequency rising of the compressor and other components of the system are damaged due to the fact that the pressure difference changes too rapidly are avoided.
Owner:GD MIDEA HEATING & VENTILATING EQUIP CO LTD +1

Steam washing machine and washing method

The invention discloses a steam washing machine. The steam washing machine comprises an outer cylinder, an inner cylinder contained in the outer cylinder, a water inlet valve, a heater and a control circuit. The heater is located at the bottom of the outer cylinder and between the inner cylinder and the outer cylinder, and a temperature detector is arranged at the bottom of the outer cylinder; a water level sensor is arranged on the inner wall of the outer cylinder; the heater is used for heating water to generate steam; the control circuit is used for controlling the heater to work to control the steam amount. Water inflows from the water inlet, the water inlet valve is turned off when the water level threshold is reached, and the heater starts to heat the water to generate the steam; when the water temperature is increased to a first water temperature threshold, the heater stops heating; the inner cylinder starts to rotate to conduct steam washing on clothes; when the water temperature is reduced to a second water temperature threshold, the inner cylinder stops rotating, and the steam washing procedure is completed; a lot of water inflows from the water inlet valve for later washing. The washing machine is simple in structure and easy to use, and the cost of the steam washing machine is reduced on the premise that the washing effect is not affected.
Owner:NANJING LG PANDA APPLIANCES

Polishing grinding machine for LED ceramic bracket

The invention discloses a polishing grinding machine for an LED ceramic bracket. The polishing grinding machine comprises a rack, a workpiece conveying device, a polishing grinding device and a PLC controller. The workpiece conveying device comprises a conveying belt, a conveying roll shaft and a motor. A locating roll shaft is arranged above the conveying belt. The polishing grinding device comprises a vertical pedestal, a drive wheel, a driven wheel, and an abrasive belt. The conveying belt is provided with a pressure sensor. The driven wheel is provided with a lifting drive structure. Moreover, the abrasive belt is provided with an offset sensing switch for sensing a positional deviation of the abrasive belt and a correcting mechanism for pushing and correcting an abrasive belt winding position. The PLC controller is respectively connected with the motor, the pressure sensor, the lifting drive mechanism, the offset sensing switch and the correcting mechanism. The automation degree and the intelligent degree of the polishing grinding machine are increased greatly by automatically sensing a contact pressure between the abrasive belt and a workpiece, automatically sensing the winding position of the abrasive belt, and automatically regulating the contact pressure and the winding position in real time based on the actual conditions, accordingly increasing the machining efficiency and guaranteeing the polishing grinding quality better.
Owner:DONGGUAN KECHENDA ELECTRONICS TECH

Maintenance method for high-pressure casting mold

The invention discloses a maintenance method for a high-pressure casting mold. The maintenance method comprises the steps of air injection and water drainage, concentrated hydrochloric acid brushing, water injection and cleaning, and the like, wherein the air injection and water drainage step is that water is injected into waterways and micro holes in the mold through a drainage hole and an exhaust hole in the mold at the air pressure of 0.45 to 0.55 MPa till water in the mold is drained; the concentrated hydrochloric acid brushing step is that the surface of the mold is brushed with concentrated hydrochloric acid through a fur brush; and the water injection and cleaning step is that water is injected into the waterways in the mold for 30 to 60 min through the drainage hole in the mold at the water pressure of 0.2 to 0.4 MPa, and the surface of the mold is cleaned through clean water at the same time. According to the maintenance method, the operation is simple, the cost is low, the mold darkening is avoided while the mold surface is cleaned, the mold appearance is improved, the drainage and exhaust effect of the mold is improved while the micro holes of the mold are dredged, the service life of the mold is prolonged, and the maintenance method can be reutilized and can be popularized and applied to maintenance of ceramic molds.
Owner:JOMOO KITCHEN & BATHROOM

Electrical cabinet capable of automatically cleaning dust screen

The invention relates to an electrical cabinet, in particular to an electrical cabinet capable of automatically cleaning a dust screen. The technical problem to be solved by the invention is to provide the electrical cabinet capable of automatically cleaning the dust screen, which does not need to manually clean the dust screen. The electrical cabinet capable of automatically cleaning a dust screen comprises an electrical cabinet body; an electrical cabinet dust screen which is arranged on the electrical cabinet body in a sliding manner; a moving assembly which is mounted on the electrical cabinet body; and a cleaning assembly which is installed on the electrical cabinet body. The electrical cabinet is provided with a gear and a rack, so a rolling brush can rotate, then the rolling brush cleans an electrical cabinet dustproof net more thoroughly, and the situation that the heat dissipation effect of an electrical cabinet is affected due to the fact that cleaning is not thorough is prevented; through cooperation of the first circular block and the second circular block, the electrical cabinet dustproof net is shaken, so that dust is prevented from adhering to the electrical cabinetdustproof net, and the dust suction assembly can suck the dust conveniently.
Owner:SUZHOU POWER SUPPLY COMPANY OF STATE GRID ANHUI PROVINCE ELECTRIC POWER

Protection circuit, battery and aircraft

PendingCN109361252AProtection conductionAffect normal power supplyElectric powerBattery disconnect circuitsOvervoltageEngineering
The invention relates to the technical field of batteries, and discloses a protection circuit, a battery and an aircraft. The protection circuit comprises a charging and discharging circuit, an overvoltage protection circuit and a delay circuit. The overvoltage protection circuit and the delay circuit are connected with the charging and discharging circuit; when the input voltage input to the charging and discharging circuit is greater than a preset voltage threshold, the overvoltage protection circuit is switched on, so that the charging and discharging circuit is in a switch-off state to becut off; when the input voltage is decreased from a value greater than the preset voltage threshold to a value equal to the preset voltage threshold, the overvoltage protection circuit is disconnected, the delay circuit is used for delaying, the charging and discharging circuit enters a switch-on state after a preset delay time, and accordingly, the charging and discharging circuit is switched on.By the protection circuit, influences on normal power supply of the battery and damage to related devices, both caused by repeated fluctuations of the voltage output by the protection circuit at thecritical point of overvoltage protection, can be avoided, and accordingly, the service lives of the battery and the aircraft are prolonged.
Owner:SHENZHEN AUTEL INTELLIGENT AVIATION TECH CO LTD

Arrangement device for capacitor with pins and detection equipment with arrangement device

PendingCN113600496ARealize visual inspectionAttitude controllableSortingImage extractionCapacitance
The invention discloses an arrangement device for a capacitor with pins. The device comprises a feeding arrangement device and a detection clamping device. The detection clamping device comprises two clamping conveying belts which are oppositely arranged and synchronously move, the conveying surfaces of the two clamping conveying belts are oppositely arranged, and the distance between the two conveying surfaces adapts to a capacitor main body; the two conveying surfaces clamp the capacitor from two sides of the capacitor main body and convey the capacitor forwards; and the feeding arrangement device is arranged at the feeding end of the detection clamping device. According to the arrangement device for the capacitor with the pins, clamping and synchronous conveying of the capacitor are achieved through the detection clamping device, image extraction of all detection positions is completed in the clamping and forward conveying process of the capacitor, appearance detection is achieved, and in other words, at the moment when image extraction is conducted on the capacitor, the capacitor and the image extraction device are relatively static or fixed, the posture of the capacitor is controllable, the imaging position is controllable, the extracted image is reliable, and the appearance detection of the capacitor is accurate and reliable.
Owner:苏州科亿信息科技有限公司

Disk hill-shaped part in flat knitting machine

The invention discloses a disk hill-shaped part in a flat knitting machine. The part comprises a trapezoid body, the upper edge of the body is composed of two inverted-V-shaped needle walking faces, the surface of the body comprises a sunken part, the center position of the sunken part is provided with a triangular boss, the two sides of the body are each provided with a needle rising face, two needle walking bosses are arranged on the sunken part of the body, and are symmetrically mounted on the two sides of the triangular boss, the upper edge of each needle walking boss comprises a first needle walking face which is inclined and a second needle walking face which is horizontally mounted, the high-position ends of the first needle walking faces are connected with the needle rising faces,the low-position ends of the first needle walking faces are connected with the second needle walking faces, a needle walking face of ejector pin rod lower stitch operation is added on an existing diskhill-shaped part, lower stitches can be protected, meanwhile, in the process that a coil drives a turning needle tongue to be closed, the first needle walking faces enabling ejector pin rods on the needle connecting position to ascend are added, the coil tension is relieved, and the phenomenon that the tightness of the fabric is affected due to the fact that the coil is supported to be open or the coil is supported to be damaged, and the fabric is damaged can be avoided.
Owner:NINGBO CIXING

High pressure pouring mold surface oxidization treatment method

The invention discloses a high pressure pouring mold surface oxidization treatment method which comprises the steps of air injection drainage, brushing of a sodium hypochlorite solution, water injection cleaning and the like. According to air injection drainage, air with the air pressure being 0.45-0.55 MPa is injected into water channels and micro-holes in a mold through drainage and air exhaust holes in the mold till moisture in the mold is fully drained. According to brushing of the sodium hypochlorite solution, the sodium hypochlorite solution is brushed on the surface of the mold through a hairbrush. According to water injection cleaning, water with the hydraulic pressure being 0.2-0.4 MPa is injected into the water channels in the mold through water drainage holes in the mold, and the surface of the mold is washed through clean water at the same time. The high pressure pouring mold surface oxidization treatment method is easy to operate and low in cost, mold oxidization and blocking of the micro-holes in the mold are prevented while mold oxidization is eliminated, the appearance of the mold is improved, the service life of the mold is prolonged, and the oxidization treatment method can be reused and applied and popularized to ceramic mold oxidization treatment.
Owner:JOMOO KITCHEN & BATHROOM

Electric water boiler with scale removal function

The invention provides an electric water boiler with a scale removal function. The electric water boiler comprises an outer shell and an inner container, and water outlet faucets are arranged on the outer shell and connected with the inner container. The electric water boiler is characterized in that a longitudinal water separation plate is arranged in the inner container and divides the inner container into a heating cavity and a circulating cavity, and a scale removal cavity is formed in the bottom of the longitudinal water separation plate and makes the heating cavity and the circulating cavity communicated. The electric water boiler has the advantages that by dividing the interior of a box into two parts, namely, the heating cavity and the circulating cavity through the longitudinal water separation plate, when a heating tube works, the interior of the circulating cavity is a quiet zone relative to the interior of the heating cavity, and scale in water flowing into the circulating cavity is likely to precipitate at the bottom of the circulating cavity instead of adhering to the side wall of the box; by additionally forming the trapezoidal groove or concave groove scale removal cavity, centralized collection of scale is intensified, and scale removal is convenient; by adopting the longitudinal water separation plate, the probability of mixing of water in the box can be effectively reduced, and the situation of mixing of unboiled water and boiled water can be greatly reduced.
Owner:余伯坚

Rigidity-adjustable magneto-rheological vibration isolation device for multi-rotor vehicle body

The invention belongs to the technical field of structural vibration isolation, and discloses a rigidity-adjustable magneto-rheological vibration isolation device for a multi-rotor vehicle body. The device is characterized in that at least one rigidity-adjustable magneto-rheological vibration isolator is uniformly arranged between an upper panel and a lower panel of the aircraft body; the magneto-rheological vibration isolator comprises a magnetic isolation base and a magnetic conduction shell, an iron core is mounted in the center of the magnetic conduction shell, and the bottom of the iron core is connected to the magnetic isolation base through a spring; a magneto-rheological elastomer is arranged between the iron core and the magnetic conduction shell; the middle part of the magneto-rheological elastomer is separated by a magnetic isolation plate; and a coil and a permanent magnet are mounted in an annular space in the magnetic conduction shell, the direction of a magnetic field generated by the coil is opposite to that of a magnetic field generated by the permanent magnet, and the magnetic field of the permanent magnet can be counteracted. According to the invention, a ceramicmagnet is used as the permanent magnet, a constant magnetic field is provided when the multi-rotor unmanned aerial vehicle flies normally, and the rigidity of the rack is guaranteed; under the condition that the multi-rotor unmanned aerial vehicle is subjected to great vibration, the magnetic field is adjusted by the coil, the rigidity of the magneto-rheological material is changed in real time,and the purpose of vibration isolation is achieved.
Owner:TIANJIN CHENGJIAN UNIV

High-efficiency and environment-friendly construction waste crushing device

The invention belongs to the technical field of construction waste treatment, and specifically discloses a high-efficiency and environment-friendly construction waste crushing device. The high-efficiency and environment-friendly construction waste crushing device comprises a collection box and a crushing mechanism, and the crushing mechanism is mounted in the collection box; the crushing mechanismcomprises a lower baffle; the lower baffle is fixedly connected with left, right, front and back baffles; the crushing mechanism is internally provided with a mounting board fixedly connected with the front and back baffles; a lower crushing board is in hinge joint on the mounting board; an upper crushing board is in hinge joint on an upper end of the lower crushing board; a platform board fixedly connected on the front and back baffles and connected with the upper crushing board through hinge joint is mounted in the crushing mechanism; a hydraulic cylinder is mounted on the mounting board; apiston rod of the hydraulic cylinder is fixedly connected with a driving rod in hinge joint with the upper and lower crushing boards; a conveyor belt, of which a surface is provided with hook teeth,is mounted on an external side wall of the left baffle; and the high-efficiency and environment-friendly construction waste crushing device is simple in structure, can separate steel bars from crushedcement blocks, and can avoid manual secondary treatment.
Owner:中建四局华南建设有限公司

Mounting base for heat pump air conditioner outdoor unit and heat pump air conditioner unit

The invention relates to the technical field of heat pump air conditioner outdoor units, in particular to a mounting base for a heat pump air conditioner outdoor unit. The mounting base comprises a base body. The base body is provided with an inner cavity. A buffer mechanism is arranged in the inner cavity of the base body. A containing plate is arranged at the upper end of the buffer mechanism. Frames are symmetrically arranged at the left end and the right end of the base body. Threaded sleeves are symmetrically connected to the upper portions of the left side walls and the right side wallsof the two sets of frames in an inserted manner. A screw is in threaded connection in each threaded sleeve. Rotating handles are symmetrically arranged at the outer side ends of the two sets of screws. Locating blocks are symmetrically arranged at the inner side ends of the two sets of screws. According to the mounting base for the heat pump air conditioner outdoor unit, through design and use ofa series of structures, the situation that the heat pump air conditioner outdoor unit shakes when bearing vibration or impacting, the inner structure of the heat pump air conditioner outdoor unit is influenced, and the heat pump air conditioner outdoor unit is damaged is avoided, and the use effect of the heat pump air conditioner outdoor unit is improved; and the mounting base is simple and novelin structure, reasonable in design and convenient to use and has high promotional value.
Owner:陕西分布式能源股份有限公司

A kind of injection mold and its straight ejection mechanism

InactiveCN106079295BSimple designAvoid crush wearDamping functionEngineering
The invention discloses an injection mold and a direct pushing mechanism thereof. A counter bore perpendicular o the moving direction of a direct pushing block is formed in the direct pushing block. A piston sliding in the axial direction is arranged in the counter bore. The end of the piston extends vertically to form an elastic needle. A through groove is formed in the piston. A sealed closed cavity is formed by the inner wall of the through groove and the inner wall of the counter bore. A gear is arranged in the cavity. A rack engaged with the gear is arranged at the groove bottom of the through groove. The direct pushing mechanism further comprises a transmission rod arranged in a direct pushing rod in a penetrating mode. The transmission rod is fixed to a bottom plate of the mold, and one section of the transmission rod is placed in the direct pushing block and penetrates through the gear. One section of the transmission rod is arranged to be a spiral section. A through hole engaged with the spiral section is formed in the middle of the gear. The demolding and withdrawing resetting processes of the direct pushing rod and the releasing and pushing resetting processes of the elastic needle in the direct pushing block are synchronous, extrusion abrasion of the elastic needle and a mold core is avoided, and the damping function is achieved to a certain extent in the demolding and withdrawing resetting processes, so that the demolding quality is improved, and the direct pushing block is prevented from being damaged.
Owner:台州市黄岩亿德塑模有限公司

Rail fastener device

The invention provides a rail fastener device. The rail fastener device can solve the problems existing in a current fastener device of low system security, high system maintenance difficulty and high cost. A base plate is arranged on a sleeper, and symmetrical bosses are arranged on the left and right sides of the base plate respectively and provided with spike holes running through the whole base plate; the bottom of a rail is placed on the base plate through a pad plate under the rail and located between the two bosses; the two sides of the rail are fastened on the base plate through two fastening assemblies respectively; each fastening assembly comprises a gauge block, an elastic strip, a spike and a casing, and the casings are embedded in the sleeper; a pressing plate part of each gauge block is arranged at the top end of the side, facing the rail, of an abutting part, the two end faces of the abutting part of each gauge block abut against the bosses and the rail respectively, and the pressing plate part of each gauge block presses the rail on the pad plate under the rail; the spikes extend into the casings embedded in the sleeper and are in tight threaded connection with the casings after penetrating through the elastic strips and the spike holes; arc grooves are formed in the bosses of the base plate and matched with the arc faces of the tails of the W-shaped elastic strips.
Owner:TAICANG ZHONGBO RAILWAY FASTENER

Transmission device for inter-row seeding machine

The invention relates to a transmission device for an inter-row seeding machine, which belongs to the technical field of agricultural machinery. In the invention, upper ends of land wheel supporting arms are hinged with a land wheel connecting seat, and lower ends of the land wheel supporting arms are movably connected with stubble avoiding land wheels through a land wheel shaft; one end of the land wheel shaft is fixedly connected with an overrunning clutch sprocket wheel and the inner ring of an overrunning clutch, and the clutch sprocket wheel is in chain connection with a intermediate drive sprocket wheel through a chain and a double-tensioning sprocket wheel; the intermediate drive sprocket wheel is fixedly connected with one end of a intermediate transmission shaft, and the other end of the intermediate transmission shaft is movably connected with a seed box support through a bearing; and one end of a double-tensioning seat plate is fixedly connected with the land wheel supporting arms, and the other end of the double-tensioning seat plate is fixedly connected with a tensioning cushion cover. The transmission device is compact in structure, and the land wheels therein can walk on the stubble field reliably; and the transmission device can solve the problems of influence on the operation performance of a machine tool and damage to the machine tool caused by the situation that other components of the machine tool generate reverse rotating due to the contrarotating of land wheels during the transportation or operation of the machine tool, and can be widely applicable to various types of inter-row seeding machines and similar agricultural machinery.
Owner:JILIN ACAD OF AGRI MACHINERY

Distributed solar power generation device and power generation system based on Internet of Things control

The invention relates to the technical field of photovoltaic power generation, and discloses a distributed solar power generation device and system based on Internet of Things control, rotating frames are rotated by a certain angle by turning over a motor so as to obtain an optimal illumination angle, and meanwhile, a certain fixing effect is achieved on a rotating shaft and the plurality of rotating frames, so that the rotating shaft and the plurality of rotating frames can be fixed. A plurality of driving air cylinders are controlled to operate at the same time, so that a plurality of driving telescopic rods drive telescopic blocks to move in opposite directions, and then a plurality of extension frames are driven by a plurality of connecting blocks to extend towards one side from the lower part of a corresponding rotating frame under the guide action of corresponding guide columns and T-shaped sliding grooves; therefore, the multiple solar sailboards and the extension sailboard are fully exposed under illumination, more radiation energy is obtained in unit time, the solar energy obtaining rate is improved, compared with the prior art that multiple sailboards are vertically distributed, the daylighting influence among the multiple sailboards can be avoided, the overall height of the device can be reduced, and the high-altitude risk is reduced.
Owner:侯新刚

High-efficiency plastic granulator

The invention discloses a high-efficiency plastic granulator. The high-efficiency plastic granulator structurally includes a machine base, a receiving box, a cutter, a processing box, a feeding bin and a motor. The receiving box is located at the downward position of the machine base, the processing box and the machine base are of an integrated structure, a conveying control device is arranged inthe feed bin, a driver is located at the lower position of a conveyor for electrical connection, and a pushing device is fixed to the center position of the conveyor. By means of the high-efficiency plastic granulator, the pushing device is matched with the conveyor, and therefore material conveying is controlled; the conveying amount is adjusted by the speed of the processing time, when materialspass through a material guide groove, a cam is in movable fit with a protruding block, the cam jacks the protruding block, an inclined plate moves up and down, the protruding block is continuously jacked by the cam, and uninterrupted up-and-down movement is carried out, so that the materials with weak static generated by friction are prevented from being left in the material guide groove, the supplied materials are effectively controlled, and the conditions that the processing effect is influenced and a turning tool of the granulator is damaged due to internal operation blockage in the processing process are avoided.
Owner:谢理星
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