50results about How to "High damage rate" patented technology

The invention discloses a settling separation device for phytoplankton. The settling separation device comprises an acrylic sleeve, an upper cover plate and a lower cover plate fixed with each other, wherein an upper cover plate hole is formed on the upper cover plate; the upper cover plate hole is connected with a bottom end of the acrylic sleeve; a separating plate slide slot is formed on the top surface of the lower cover plate; a lower cover plate hole is formed on the part corresponding to the position of the upper cover plate hole at the bottom of the separating plate slide slot; the lower cover plate hole is connected with the top of sedimentation glass; a water draining valve is arranged at the bottom of the sedimentation glass; a separating plate is arranged in the separating plate slide slot; the separating plate is connected with one end of a pull rod; and the other end of the pull rod is penetrated through a pull rod sealing ring embedded between the upper cover plate and the lower cover plate and a pull rod penetrating hole formed on the lower cover plate in turn and then is connected with a handle. According to the invention, the separating time after the settling of the phytoplankton sample is reduced by 80% or above, the settled phytoplankton is prevented from being disturbed and entering into supernate, the constant volume operation is convenient and the settling separation device is difficult to be damaged.

A printer and reprinting control method do not reprint when an error accompanied by no damage to the actual printing area or print image on paper occurs so that consumables are not wasted. The printer 1 reprints the label 11a on which the print image 11c was being formed when a specific error occurs if the error occurred while the inkjet head 13 was forming the print image 11c in the actual printing area E1 of the label 11a. When the non-printing area E2 of the label 11a is passing the printing position of the inkjet head 13, the print image 11c in the actual printing area E1 that was printed immediately before an error occurs is reprinted only if a specific error is detected, such as a paper jam error or mechanical error with the possibility of damage to the paper 11 or label 11a.

The invention discloses a push-and-pull and side-hung door and window hardware system. A first lock point for locking a push-and-pull door and window sash in a door and window frame is arranged on the push-and-pull door and window sash. The other side of a side-hung door and window sash is provided with a second lock point for locking the side-hung door and window sash into the door and window frame. The push-and-pull door and window sash and the side-hung door and window sash are provided with the first lock point and the second lock point respectively, the first lock point achieves the antitheft effect and the limiting effect on the side-hung door and window sash, and the second lock point achieves the limiting effect and can be further matched with an anti-misoperation device to achieve the anti-misoperation effect. The push-and-pull door and window sash and the side-hung door and window sash of a push-and-pull side-hung door and window sash can switch off locking connection through a third lock point, the push-and-pull door and window sash is pushed to a proper position wherein the push-and-pull door and window sash and the side-hung door and window sash are overlapped, the push-and-pull door and window sash and the side-hung door and window sash can form a tight integrated structure, and combined linkage of the push-and-pull door and window sash and the side-hung door and window sash is facilitated.

Preferred embodiments of a purge gas port, laser beam attenuating input window, and laser shutter constitute subsystems of a UV laser optical system in which a laser beam is completely enclosed to reduce contamination of the optical system components. Purge gas is injected through multiple locations in a beam tube assembly to ensure that the optical component surfaces sensitive to contamination are in the flow path of the purge gas. The input window functions as a fixed level attenuator to limit photopolymerization of airborne molecules and particles. Periodically rotating optical elements asymmetrically in their holders reduces burn damage to the optics.

The invention discloses a protective circuit for switching over-voltage protection of a dry air reactor, relates to an over-voltage protective circuit for the dry air reactor, and solves the following problems in the traditional reactor over-voltage protection: the capacitance volume is large and the production cost is high when a resistance-capacitance absorption circuit is singly used, and dispersibility of gap breakdown voltage is increased and service life of protective gap is reduced due to frequent actions of the protective gap when a gap protector is singly used. The protective circuit can be satisfied through choosing proper element parameters according to cut-off current; when the cut-off current is lower, a resistance-capacitance absorption device controls over-voltage amplitude values at two ends of the reactor to prevent the over-voltage amplitude values from reaching the breakdown voltage of the protective gap, the protective gap is in a disconnection state, and the reactor and respective resistance-capacitance elements form an RLC (Radio Link Control) oscillation circuit; when the cut-off current is higher, the over-voltage amplitude values at two ends of the reactor are higher, the protective gap is broken down, and a capacitor and a protective resistor thereof are short out; the protective circuit for the switching over-voltage protection of the dry air reactor is applied to the reactor protection field.

The invention discloses a tunnel lighting device, system and method using sunlight. The device comprising a light guide, wherein the light guide is connected to a diffuser mounted in a tunnel through an optical fiber, the light guide is also internally provided with a first illumination sensor and a lamp, the first illumination sensor is used for collecting illumination intensity in the light guide, and the lamp is used for detecting the illumination intensity in the light guide; the lamp is used for adjusting the illumination intensity in the light guide device. When illumination intensity in the light guide device is insufficient, illumination intensity is compensated by utilizing the illumination intensity of the lamp, and compensated illumination intensity is conducted to the diffuser through the optical fiber, so the light beams received in the diffuser are preliminarily mixed in the light guide device; and furthermore, the light emitted by the diffuser has no obvious brightness difference, chromatic aberration or color temperature change, illumination compensation is smoother, and a purpose of stepless dimming is achieved.

The invention discloses a station door pinch preventing device. An infrared sensing module is arranged between a station door and a train door, a protective sleeve is arranged outside the infrared sensing module, a gap is reserved between the protective sleeve and the infrared sensing module, and an opening is formed in the protective sleeve corresponding to a sensing zone of the infrared sensing module. The station door pinch preventing device has the advantages of bump avoidance, rain proofing, dust proofing, perpendicular sunlight incidence prevention and the like. The several problems of an existing station door sensing device are solved, including that a lateral wagging phenomenon exists in the running process of a train, an infrared sensing device installed between the train door and a shield door is easily bumped by the train to produce displacement change (opening non-alignment is caused) or to be damaged, and accordingly the detecting accuracy is reduced; for a ground station, inflowing water easily causes short circuit of the infrared sensing device in rainy days, and device damage rate is increased; perpendicular incidence of sunlight in sunny days easily causes false alarming of the infrared sensing device; dust easily accumulates on the infrared sensing device after the infrared sensing device is installed, blurred vision is caused, and the sensitivity of the sensing device is affected.

Disclosed is an extended-range full-electric low-speed tractor, which includes a system control unit, a battery pack, a frequency conversion driver, a bidirectional DC-DC converter, a generating set and a drive system. The generating set is capable of working in an intermittent mode. The generating set will be started when the power of the battery pack is lower than a preset working range; once the generating set begins to work, the generating set will be running under a condition of “the most economic fuel consumption” and provide stable output at constant speed and constant power, so as to make sure that the generating set is not overloaded, emits no black smoke and has highest energy efficiency. It has advantages of low energy consumption, low pollution and long life of the generating set.

The invention relates to the technical field of charging piles, in particular to automobile charging equipment capable of secondarily protecting an equalizing charging gun. The automobile charging equipment comprises a charging pile base, the upper end face of the charging pile base is fixedly connected with a supporting block, and a clamping device can complete positioning of a charging gun when equipment needs to be charged so that good charging contact is guaranteed, and the clamping device can be matched with a follow-up device to complete protective separation, thus the charging gun can be automatically separated from charged equipment when being driven and pulled, and the safety of the equipment is ensured; the secondary protection device can provide a second protection barrier through reliable mechanical judgment when the protection system goes wrong, so that guarantee can still be provided for the equipment under the condition of system faults, the traditional mode that the equipment is protected only through system control is changed, and the traditional mode excessively depends on an electronic system, and when the system fails and does not operate normally, the equipment has no safeguard measures.

A cabinet type biomass hot blast stove comprises a cabinet. A fuel barrel and multiple layers of heat exchange rotary liners are respectively arranged on a grate above a burning chamber in the cabinet. The lower portion of the outer wall of the fuel barrel is provided with a secondary air box tightly connected with the fuel barrel. The air inlet of the secondary air box is connected to a secondary air tube. The outer wall of the fuel barrel is provided with a plurality of secondary air holes corresponding to the secondary air box. A gas exhaust tube penetrates out of the cabinet, the penetrating end of the gas exhaust tube is provided with a jet pipe in a penetrating manner from exterior to interior, and the lower end of the jet pipe is connected to a jet fan. Each heat exchange rotary liner between the bottom layer of the heat exchange rotary liner and the top layer of the heat exchange rotary liner is connected to one gas inlet channel pipe and one gas outlet channel pipe which are respectively arranged on two sides corresponding to the heat exchange rotary liner. According to the cabinet type biomass hot blast stove, the multi-point air-distribution counter-burning technology is adopted, the stove is capable of burning completely, gas is eliminated, and environment is protected; meanwhile, since the rotary liner heat exchange technology is adopted, the hot blast stove air flow amount is maximized, and gas exhausting temperature of the hot blast stove is decreased greatly.

The invention discloses a smoke exhaust barrel with a jet technology for a hot-blast stove. The smoke exhaust barrel comprises a smoke barrel. An air inlet is formed in the bottom of the smoke barrel, an air inlet tube penetrates the inside of the air inlet, the upper portion of the air inlet tube penetrates the inside of the smoke barrel, the lower portion of the air inlet tube is arranged on the outside of the smoke barrel, a smoke exhaust fan is arranged on the lower portion, which is positioned on the outside of the smoke barrel, of the air inlet tube, and an air outlet of the smoke exhaust fan is connected and communicated with a lower port of the air inlet tube. Compared with the prior art, the smoke exhaust barrel has the advantages of simple structure, convenience in maintenance, low failure rate, good smoke exhaust effect and the like. Besides, shortcomings of high cost, maintenance rate and damage rate of an existing smoke exhaust induced draft fan when the existing smoke exhaust induced draft fan works in a high-temperature state are overcome.

Disclosed is an extended-range full-electric low-speed tractor, which includes a system control unit, a battery pack, a frequency conversion driver, a bidirectional DC-DC converter, a generating set and a drive system. The generating set is capable of working in an intermittent mode. The generating set will be started when the power of the battery pack is lower than a preset working range; once the generating set begins to work, the generating set will be running under a condition of “the most economic fuel consumption” and provide stable output at constant speed and constant power, so as to make sure that the generating set is not overloaded, emits no black smoke and has highest energy efficiency. It has advantages of low energy consumption, low pollution and long life of the generating set.

The invention discloses a neck radiotherapy device, which comprises a radiotherapy device body, a barrel, a chamber, a motor and a transmission mechanism. The barrel is rotationally mounted in the chamber, the radiotherapy device body is fixedly arranged on the inner side of the barrel, and the motor is fixedly arranged in the chamber. A first gear is arranged on a driving shaft of the motor and drives the barrel to intermittently rotate through the transmission mechanism. The neck radiotherapy device has advantages that direction adjustment of the radiotherapy device can be realized through continuous rotation of the radiotherapy device so as to realize radiotherapy of the neck in different directions, and intermittent rotation of the radiotherapy device can be realized so as to improve radiotherapy effects.

The invention discloses a system and a method for laser processing a transparent material through passive zoom. The system comprises a laser source, a laser source support stand column, a galvanometerscanning head, a scanning lens, an upper computer, a motor, an electronic control lifting platform, a platform bottom plate, a motion control card and a galvanometer control card. The method comprises the following steps: (1) the upper computer controls the electronic control lifting platform to run; (2) the upper computer controls an X / Y axis of the galvanometer scanning head to move; (3) a laser beam emitted by the laser source swings through the X / Y direction of the galvanometer scanning head; and (4) the laser beam is focused on the transparent material through the scanning lens so as toprocess the material. The system provided by the invention is simple in light path structure and less in optical element, so that the cost is greatly reduced; and according to the method, a focus point of the laser beam is passively zoomed, and the transparent material is processed layer by layer from bottom to top, so that the processing efficiency and a processing effect are improved, and the thickness range of the material to be process is enlarged.

The invention relates to automatic white balance adjustment equipment and method for wireless communication of a liquid crystal display. The equipment comprises an industrial control computer, a color analyzer, a wireless communication control card, a wireless signal generator, a collector plate and a transport line body, wherein the industrial control computer is connected with the color analyzer and the wireless communication control card respectively, a signal communication hole of the wireless communication control card faces the transport line body, the wireless signal generator is arranged on the collector plate and connected with a display to be adjusted on the collector plate, a signal communication hole of the wireless signal generator is outward attached to the side of the collector plate, and the control end of the transport line body is connected with the wireless communication control card; and when the transport line body transports the collector plate to a debugging station, the signal communication hole of the wireless signal generator is opposite to the signal communication hole of the wireless communication control card, so that the wireless signal generator is wirelessly connected with the wireless communication control card. Compared with the prior art, the equipment and the method have the advantages of reducing the operation, improving the efficiency, improving the quality and the like.

The invention provides an electronic component production transport conveyor belt with a vibration falling prevention function, and relates to the technical field of conveyor belt equipment, the electronic component production transport conveyor belt comprises two supporting plates, and an appearance protection mechanism is fixedly mounted between the two sides of the inner walls of the two supporting plates; and a variable speed driving mechanism and a control mechanism are fixedly mounted on one side of the outer wall of one of the two supporting plates respectively, so that the problem that only prevention of falling off of the element body is considered in the prior art is solved, and due to the fact that the surface of a product contains more electro-tin contacts and is in direct contact with the surface of the conveyor belt body, the product cannot fall off due to the influence of self-gravity. The conveying belt body is bent after being static for a long time, so that a contact is effectively protected, after a product is misplaced during transportation, part of buffering force is generated by the product and a rubber roller, corners are prevented from being broken, meanwhile, the position of an element is continuously corrected through rebound force, and then the quality of the conveying belt body after transportation is effectively improved.

The invention discloses a compressed gas filtering and purging device for maintenance, which comprises a filtering tank body and a cover body detachably connected with the filtering tank body through a fixing piece, wherein the surface of the lower end of the filtering tank body is provided with an air inlet pipe communicated with an inner cavity of the filtering tank body, an air inlet valve is arranged on the surface of the air inlet pipe, the upper side of the cover body is provided with an exhaust pipe communicated with the inner cavity of the filtering tank body, the other end of the exhaust pipe is communicated with a purging assembly, a gas distributor, a gas-liquid separator, a filtering plate and an adsorption plate are hermetically clamped in the inner cavity of the filtering tank body in sequence from bottom to top, and a pressure gauge and a pressure regulating valve are respectively arranged at the upper end of the cover body. According to the invention, compressed air is filtered, meanwhile, the filtering quality is high, the situation that a purging piece is damaged due to the fact that exhausted compressed air contains impurities is avoided, the usage amount of the compressed air is reduced, and meanwhile, the maintenance cost of a water-cooled generator is saved.

The invention provides ball catching training equipment. The ball catching training equipment comprises a door-shaped bracket, a rebound component and a walking wheel component, wherein the rebound component is disposed on one side of the bracket through a mounting component. A first cross bar and a second cross bar are connected to the middle and the bottom of two columns of the bracket respectively. The first cross bar, a cross beam and the two columns are enclosed to form a rectangular window and the inside of the rectangular window is provided with a billboard. The mounting component includes two supporting frames respectively fixed to the first cross bar and the second cross bar, two vertical supporting cylinders connected between the two supporting frames and limiting cylinders arranged in the supporting cylinders. A plurality of first jacks and second jacks are arranged on the side walls of the supporting cylinders and the side walls of the limiting cylinders respectively. The rebound component includes a plurality of rebounding strips. The rebounding strips include arc portions and insertion portions at both ends, and the rebounding strips are installed into the limiting cylinders through the insertion portions and are clamped into limiting slots of the inserting portions through the outer walls of the limiting cylinders to achieve the fixing of the rebounding strips. The ball catching training equipment solves the problem of the deviation of the rebound direction of a football, improves the training efficiency and ensures the training effect.

The invention discloses a smart lock for a power distribution cabinet. The lower portion of a rotating shaft is fixedly connected with a cam, the left side of the cam abuts a small rotating wheel, thesmall rotating wheel is rotatably connected witha movable plate, the center of the left side end surface of the movable plate is fixedly connected with atelescopic plate, a strip-shaped through-holeis formed in the left side of a smart lock body, the telescopic plate is slidably connected to the strip-shaped through-hole,the upper surface of the telescopic plate is fixedly connected to a keyboard, the lower portion of the movable plate is fixedly connected to a pull rod, the right side of the pull rod is sleeved witha second sleeve, and the inside of the second sleeve is provided with a second spring. The smart lock drives the rotating shaft and the cam to rotate by rotating the handle, the cam drives the movable plate to move to the left, the movable plate drives the keyboard to be pushed out from the inside of asmart lock body, the upper end of a sleeve rod is aligned with a round hole, the sleeve rod pushes up a top rod to make a button protrude so as tokeep the cam still, it is convenient to input a password, when the button is pressed to separate the sleeve rod from the round hole, the pull rod and the movable plate are driven to move to the right by the action of the secondspring to place the keyboard, and the case that the long-term exposure of the keyboard increases the damage rate and reduces the service life is avoided.

The invention discloses a surface treatment device for synthetic processing of a novel polymer material with an anti-overlapping mark. The surface treatment device structurally comprises a controller,a device body, a workbench, a positioning push plate, a rotary movable stand column, a driving motor and a protective sheet device. The surface treatment device has the beneficial effects that an upper wiping plate and a lower grinding mechanism are matched with each other, so that iron chips are adsorbed by heat generated by high-speed rotation of the surface of a grinding blade, and effective unified treatment is carried out, so that the surface of the blade is clean and tidy, and the situation that the damage probability of the blade is accelerated due to the fact that a magnetic field isgenerated due to the fact that the iron chips are more is avoided; and sawtooth strips on the surface of a material suction plate are used for grinding the blade in contact with metal, so that the phenomenon that the blade is different in layer in the placing process is avoided, and the blade is relatively slow, so that a new overlapping mark is formed on the grinding surface of the equipment to be ground.

The invention relates to the field of steel plate cooling, in particular to a steel plate water cooling device which comprises water cooling cylinders, a water inlet mechanism, a circulating mechanismand a cooling bin. The water inlet mechanism and the circulating mechanism are symmetrically arranged, a transfer plate is arranged between the water inlet mechanism and the circulating mechanism, the number of the water cooling cylinders is two, and the water cooling cylinders can be rotatably arranged on one side of the transfer plate; one of the two water cooling cylinders can always be opposite to the cooling bin, and the other of the two water cooling cylinders is located between the water inlet mechanism and the circulating mechanism, and the two ends of the corresponding water coolingcylinder can communicate with the water inlet mechanism and the circulating mechanism. An air flow cavity and a cooling cavity are arranged in the cooling bin, the cooling cavity is always opposite toone water cooling cylinder, a transmission structure is always opposite to the air flow cavity is arranged at one end of the corresponding water cooling cylinder, the water cooling cylinders are elastically connected with the transfer plate, a displacement mechanism is further arranged on the side of the transfer plate, the displacement mechanism is in transmission connection with the two water cooling cylinders and can force the two water cooling cylinders to move backwards, and a high-pressure spray head and a cooling spray head are arranged in the air flow cavity and the cooling bin correspondingly. The service life of the water cooling cylinders can be prolonged, and the heat exchange effect is uniform.

The invention discloses a magnetic USB connection method between a barcode scanning / RFID device and a mobile phone or a computer, and relates to the field of barcode scanning / barcode data collection. In this way, you can quickly and conveniently connect the barcode scanning / RFID device to the USB interface of the smartphone or PC. Plug and play, and no directionality, saving time and effort, at least 30% more efficient than traditional connection methods. Moreover, it solves the problem that the USB interface of the mobile phone or the computer is easily broken / loose.

The invention discloses an intelligent control device for a direct-drive screw pump, and relates to the technical field of equipment for oil and gas exploitation. The device comprises a control box, a heat dissipation mechanism is connected to the center of the upper end face of the control box in a penetrating mode, an isolation mechanism is connected to the center of the rear end face of the control box in a penetrating mode, and a control module is slidably connected to the middle in the control box; the fault positioning mechanisms are arranged on the upper rear portion of the control box at equal intervals, wireless transceivers are connected to the middles of the front ends of positioners included in the fault positioning mechanisms in an embedded mode, auxiliary searching mechanisms at the upper ends of the positioners penetrate through the middles of the functional mounting mechanisms above the auxiliary searching mechanisms, and alarms are arranged above the functional mounting mechanisms. According to the control device, by arranging the fault positioning mechanism, the function mounting mechanism and the auxiliary searching mechanism, the problems that an existing control device is difficult to accurately position, search and overhaul the direct-drive screw pump, or the mounting environment of a positioning structure is exposed and is easy to damage, and meanwhile, the position of a mounting mechanism is difficult to determine are solved.

The invention belongs to the technical field of stamping dies, and particularly relates to a hardware cast iron die-casting stamping die. The hardware cast iron die-casting stamping die comprises a workbench, a feeding plate, a first collecting box and a liquid collecting barrel, wherein a material receiving plate is arranged at the position, between an upper die and a lower die, of one side of the workbench, and baffles are arranged on the front side and the rear side of the material receiving plate; first connecting rods are fixedly connected to the upper ends of the outer surfaces of the sides, away from the workbench, of the baffles, included angles between the first connecting rods and the upper surface of the material receiving plate are acute angles, and the ends, away from the material receiving plate, of the first connecting rods are rotationally connected with corresponding stand columns through rotating shafts; and a fixing rod is fixedly connected between the upper ends of the sides, away from the workbench, of the two baffles, and a second connecting rod is hinged between the middle of the fixing rod and an upper die fixing plate. According to the hardware cast iron die-casting stamping die, a workpiece can be prevented from colliding with the lower die, the precision of the die is improved, the service life of the die is prolonged, integration of demolding, material receiving and cleaning of the workpiece is realized, the operation time is saved, and the production working efficiency of the hardware cast iron die-casting stamping die is improved.