46results about How to "Extended failure time" patented technology

An apparatus and method for monitoring and storing a status of a rechargeable battery pack in which the battery pack status is monitored by a device while the battery pack is functionally connected to that device, and then periodically updated to a non-volatile memory in the battery pack. The non-volatile memory may be connected in power isolation from the rechargeable cells, thereby ensuring that the battery is not drained during long periods of storage. The battery pack may also have a latch, which has to be released in order to remove the battery pack from any device to which it can be functionally connected. Releasing the latch may cause the battery status to be written to the non-volatile memory, ensuring that the battery's memory has up-to-date battery status information, whenever the battery is removed from the device regardless of any scheduled data writes.

A lightweight cementitious composition containing from 22 to 90 volume percent of a cement composition and from 10 to 78 volume percent of particles having an average particle diameter of from 0.2 mm to 8 mm, a bulk density of from 0.03 g / cc to 0.64 g / cc, an aspect ratio of from 1 to 3, where after the lightweight cementitious composition is set it has a compressive strength of at least 1700 psi as tested according to ASTM C39. The cementitious composition can be used to make concrete masonry units, construction panels, road beds and other articles and can be included as a layer on wall panels and floor panels and can be used in insulated concrete forms. Aspects of the lightweight cementitious composition can be used to make lightweight structural units.

The invention relates to a mechanical sealing ring of a biomimetic fish scale groove, belonging to the technical field of fluid mechanical shaft sealing. The high-pressure side of the sealing ring is circumferentially and uniformly or randomly provided with one or more fish scale dynamic pressure grooves; and the fish scale grooves are formed by the combination of radial line grooves and circumferential arc grooves, and the shapes of the grooves are symmetric. The sealing ring is a mechanism which is not only suitable for one-way rotation, but also suitable for double-way conversion operation, thereby the invention has the advantages of effectively reducing the power consumption of sealing friction, prolonging the service life of sealing devices, reducing the cost and the like, and can be widely applied to liquid sealing or gas sealing.

The invention discloses a drain-off device for preventing generation of steam locking favorably. The drain-off device comprises a left valve deck and a right valve deck. A condensate water accommodation chamber is arranged between the left valve deck and the right valve deck; an inlet tube and an outlet tube are arranged on the left valve deck and the right valve deck; a floating ball is arranged in the condensate water accommodation chamber. The drain-off device also comprises an emptier. The emptier comprises a thermal static metal piece, a sealing ball and a steam locking discharging runner; the front end and the back end of the steam locking discharging runner are connected with the condensate water accommodation chamber and the outlet tube respectively; the sealing ball is fixed on the thermal static metal piece, and directly faces the front end of the steam locking discharging runner; the section of the thermal static metal piece is a diamond; the sealing ball is positioned in the apex angle of the diamond. By applying the drain-off device, automatic discharging of non-condensable gas can be realized, and the service life is long.

The invention discloses a spherical pump with static-pressure supports. The spherical pump comprises a cylinder cover (1), a cylinder block (5), a piston (2), a rotating disc (4), a main shaft (6) anda main shaft bracket (7); the cylinder cover (1) is connected with the cylinder block (5) to form a spherical inner cavity; a chute (601) is formed in the upper end surface of the main shaft (6); a slide shoe (403) at the shaft end part of the rotating disc is inserted in a chute (601) at the upper end of the main shaft (6); the piston (2) is movably connected with the upper end of the main shaft(6) after hinging with the rotating disc (4) to form a rotor; the static-pressure supports are arranged between two parallel side surfaces of the slide shoe (403) and the chute (601); and the static-pressure supports comprise first liquid flowing channels (404) and second liquid flowing channels (405) arranged on the rotating disc (4), and liquid pressure bearing grooves arranged on two parallelside surfaces of the slide shoe (403). The spherical pump has the advantages of eliminating the unbalance force in the operation process of the spherical pump and reducing the power consumption of thespherical pump.

The invention relates to a lightning rod for a transformer substation. The lightning rod comprises a substrate, wherein a plurality of mounting rods are fixed on the substrate, clustered lightning rods are fixed at the end parts of the mounting rods, a stabilizing rod is arranged between the adjacent clustered lightning rods, and two ends of each stabilizing rod are fixed on the clustered lightning rods respectively to form a stable triangle. The surface of the lightning rod is coated with a corrosion-resistant coating which has good electrical conductivity and can prevent the lightning rod from being corroded, and the lightning rod can realize intelligent repairing and have a good anti-freezing effect and good use value.

The invention provides a silver alloy wire comprising a core wire, wherein the core wire contains silver, palladium, a first adding component and a second adding component; the first adding component can be platinum, nickel, copper or a combination thereof; the second adding component can be germanium, cerium, gold, iridium and a combination thereof; and based on the total weight of the core wire, the content of the palladium is larger than or equal to 1.1wt% and smaller than or equal to 2.8wt%, the content of the first adding component is larger than 0.1wt% and smaller than 1wt%, and the content of the second adding component is larger than 0.02wt% and smaller than 0.2wt%. Therefore, the silver alloy wire is favorable in conductivity, oxidation resistance, wire stretching operating performance, heading stability and reliability.

The invention discloses a novel memorization material produced on the basis of nanocrystalline high-dielectric coefficient (ZrO2)x(SiO2)1-x films, wherein, 0.2<=x<=0.9, and the materials can be used to prepare non-volatile memorization device and integrated circuits for information storage or other functions.The high-dielectric coefficient (ZrO2)x(SiO2)1-x films has the following characteristics that: when x is smaller, the films can remain amorphous after a high-temperature quick thermal annealing process; when x is bigger, ZrO2 nanocrystalline is partly crystallized and precipitated after the high-temperature quick thermal annealing process, simultaneously the film is a insulator with a high-dielectric coefficient and a large-forbidden band width, after substituting SiO2 by ZrO2, the size of devices is reduced and excellent insulativity is remained, therefore, a non-volatile memorization device with small size, high-density and stable performance can be prepared by using the films.The present invention provides method for preparing high-dielectric coefficient (ZrO2)x(SiO2)1-x films and the method comprises sintering ZrO2 and SiO2 with an appropriate proportion to produce ceramic target materials and preparing high-dielectric coefficient zirconium silica films by using a laser burst deposition method.

The invention relates to a sealing ring, in particular to a sealing with a special shape groove, belonging to the field of shaft sealing of fluid machinery. The high-pressure side of the sealing ring is provided with a Pi-shaped groove which is two radial linear grooves, one peripheral linear groove or arc groove. The sealing ring adapts to the machinery operated by single rotation and needing bilateral switching, is used for liquid sealing or gas sealing, can effectively lower the sealing friction power consumption, prolongs the service life of a sealing device, and lowers the cost.

The invention relates to a gradient aluminum-based composite material for resisting a 30 mm armor-piercing bullet and a preparation method of the gradient aluminum-based composite material, and aims to solve the problems that a traditional ceramic composite armor structure is large in surface density and thickness and poor in frequent elasticity resistance are solved. The gradient aluminum-based composite material is of a three-layer gradient structure; the outer layer is made of an aluminum-based composite material which is reinforced by ceramic columns, ceramic balls and B4C ceramic powder which are densely arranged together; the middle layer is a high-volume-fraction B4C / Al composite material; and the inner layer is a medium-volume-fraction B4C / Al composite material. The method comprises the following steps: 1, densely arranging the ceramic columns; 2, filling gaps of the columns with the ceramic balls; 3, filling gaps with the B4C powder; 4, paving preform powder layer by layer; 5, carrying out compacting and cold-pressing to prepare a preform; and 6, melting molten aluminum, pressing the molten aluminum into the remaining gaps of the preform through pressure infiltration, and conducting pressure maintaining and demolding. Thea gradient aluminum-based composite material is used for the armor structure for resisting the 30 mm armor-piercing bullet.

An apparatus and method for monitoring and storing a status of a rechargeable battery pack in which the battery pack status is monitored by a device while the battery pack is functionally connected to that device, and then periodically updated to a non-volatile memory in the battery pack. The non-volatile memory may be connected in power isolation from the rechargeable cells, thereby ensuring that the battery is not drained during long periods of storage. The battery pack may also have a latch, which has to be released in order to remove the battery pack from any device to which it can be functionally connected. Releasing the latch may cause the battery status to be written to the non-volatile memory, ensuring that the battery's memory has up-to-date battery status information, whenever the battery is removed from the device regardless of any scheduled data writes.

The invention discloses a high-efficiency pulse load power supply and a voltage hysteresis control method thereof. The voltage hysteresis control method comprises the steps of acquiring a load end voltage of an interleaved parallel bidirectional buck / boost converter connected between the power supply and a load by using a sampling circuit; comparing the load end voltage of the interleaved parallel bidirectional buck / boost converter with a boost low-voltage given value, a boost high-voltage given value, a buck low-voltage given value and a buck high-voltage given value which are preset, and generating a corresponding square-wave pulse control voltage according to a comparison result; and amplifying the square-wave pulse control voltage and transmitting the amplified square-wave pulse control voltage to a switching tube in the interleaved parallel bidirectional buck / boost converter so as to control the on-off of the switching tube by using a voltage hysteresis control algorithm. According to the invention, a voltage hysteresis loop double-position control mode is adopted, and in the control mode, the action times of the switching tube in the system are obviously reduced, so that the switching loss of the system is reduced, and the working efficiency of the system is improved.

The invention discloses a novel memorization material on the basis of nanocrystalline high-dielectric coefficient (ZrO2)x(SiO2)[1-x] films, wherein, 0.2<=x<=0.9, and the materials can be used to prepare non-volatile memorization device and integrated circuits for information storage or other functions.The high-dielectric coefficient (ZrO2)x(SiO2)[1-x] films has the following characteristics that: when x is smaller, the films can remain amorphous after a high-temperature quick thermal annealing process; when x is bigger, ZrO2 nanocrystalline is partly crystallized and precipitated after the high-temperature quick thermal annealing process, simultaneously the film is a insulator with a high-dielectric coefficient and a large-forbidden band width, after substituting SiO2 by ZrO2, the size of devices is reduced and excellent insulativity is remained, therefore, a non-volatile memorization device with small size, high-density and stable performance can be prepared by using the films. The present invention provides method for preparing high-dielectric coefficient (ZrO2)x(SiO2)1-x films and the method comprises sintering ZrO2 and SiO2 with an appropriate proportion to produce ceramic target materials and preparing high-dielectric coefficient zirconium silica films by using a laser burst deposition method.

A lightweight cementitious composition containing from 22 to 90 volume percent of a cement composition and from 10 to 78 volume percent of particles having an average particle diameter of from 0.2 mm to 8 mm, a bulk density of from 0.03 g / cc to 0.64 g / cc, an aspect ratio of from 1 to 3, where after the lightweight cementitious composition is set it has a compressive strength of at least 1700 psi as tested according to ASTM C39. The cementitious composition can be used to make concrete masonry units, construction panels, road beds and other articles and can be included as a layer on wall panels and floor panels and can be used in insulated concrete forms. Aspects of the lightweight cementitious composition can be used to make lightweight structural units.

The invention discloses a power steering gear tie rod, which can prolong the failure time of the power steering gear tie rod when a splicing position between an inner tie rod and an outer tie rod has a fatigue crack, and can prompt the fatigue crack to a driver through reducing the sensitivity of the steering gear. The power steering gear tie rod is formed by splicing the inner tie rod and the outer tie rod, wherein one of the inner tie rod and the outer tie rod is provided with a circular blocking lug, and the other of the inner tie rod and the outer tie rod is provided with a pair of supporting arms which are distributed at the two opposite sides of the tie rod and extend towards the direction of the other tie rod; the supporting arms are distributed at the two opposite sides of the circular blocking lug, the positions at the two ends of the circular blocking lug between the two supporting arms and are respectively provided with a blocking frame, the positions positioned at the inner side of the end surface of the circular blocking lug on the two blocking frames are respectively provided with a blocking rod, the two blocking rods at the same blocking frame are distributed at two the opposite sides of the tie rod of the circular blocking lug, and a gap is formed between each blocking rod and the end surface of the circular blocking lug.

The invention discloses a polyether-ether-ketone modified composite material and belongs to the field of a high polymer material. The polyether-ether-ketone modified composite material comprises the following components in parts by weight: 100-120 parts of polyether-ether-ketone powder, 5-35 parts of silicon carbide powder, 5-25 parts of zirconium oxide powder and 0.1-3 parts of lubricating agent, wherein the fusing viscosity of the polyether-ether-ketone powder is at 100-650Pa.s. The invention discloses the polyether-ether-ketone modified composite material and a preparation method thereof. The polyether-ether-ketone modified composite material disclosed by the invention is modified by adding silicon carbide and zirconium oxide; the prepared polyether-ether-ketone modified composite material has the characteristics that the friction coefficient at least can be reduced by 0.06 and the tensile strength at least can be increased by 21MPa; and compared with a pure polyether-ether-ketone material, the polyether-ether-ketone modified composite material has the advantages that the service life and the use temperature are both promoted, the invalid time at least can be prolonged for 148h, the use temperature can be increased by 50 DEG C, the maximum use temperature can reach up to 310 DEG C, and the cost is reduced while the application field is widened.

The invention provides a silver alloy wire rod, which includes a core wire, a gold plated layer, and a palladium plated layer formed between the gold plated layer and the core wire. The core wire includes silver, palladium, a first additive component, and a second additive component, wherein the first additive component may be platinum, nickel, or copper, and the second additive component may be germanium, cerium, gold, or iridium. The core wire comprises, based on the total weight, palladium with the content being more than or equal to 1.1 wt% and less than or equal to 2.8 wt%, the first additive component with the content being more than 0.1 wt% and less than 1 wt%, and the second additive component with the content being more than 0.02 wt% and less than 0.2 wt%. Therefore, the silver alloy wire rod has excellent conductivity, antioxidant ability, wire drawing operation performance, heading stability, PCT reliability, and u-HAST reliability, and the interfacial bonding strength between the silver alloy wire rod and a packaging material can be particularly improved.

The invention provides a passivation method of a semiconductor device. The passivation method comprises a forming process, for example, a deposition stage, a vitrification stage, a melting stage, an annealing stage and a cooling stage. In order to improve the reliability of the semiconductor device under a high-temperature reverse bias, silicate oxide glass protection layers are different. In order to reduce the strain, the cooling rate after melting is less than or equal to 1 DEG C / min from at least 10-15 DEG C below the temperature of an annealing starting point; and at the annealing stage, the cooling rate should be less than or equal to 0.5 DEG C / min.

The invention provides a manufacturing method for a brick machine mold and a spraying method used in the manufacturing process. The manufacturing method includes the following specific steps that water jet cutting is conducted on a chromium carbide composite wearproof steel plate through a water jet cutting method; the chromium carbide composite wearproof steel plate is treated through a grinding machine; common plates, transverse plates and longitudinal plates in an upper mold are machined, and a mold cavity is formed after machining; the chromium carbide composite wearproof steel plate is punched; and overall welding forming is conducted, correcting and straightening are conducted, and assembly of the formed object and a lower mold is conducted. According to the manufacturing method and the spraying method, the specific water jet cutting is selected to be used for machining the chromium carbide composite wearproof steel plate, damage of a great amount of heat radiated in cutting to the steel plate can be reduced, the cutting forming effect of the steel plate is improved, cutting quality is guaranteed, and cutting is perfect; and the water jet cutting method is simple in step, low in cost and suitable for being popularized on a large scale, one end of water-soluble glue is spread with a layer of wet dry-ice particles, and the wet dry-ice particles absorb heat generated in cutting so that moisture on the surface of dry ice can be frozen, so that the environment temperature is lowered, and the cutting effect is guaranteed.

The utility model discloses a static pressure support for rotor of a spherical pump. The static pressure support for the rotor of the spherical pump is characterized in that a static pressure supportbody is arranged between two parallel side surfaces of piston shoes (403) and a chute (601), wherein the static pressure support body comprises a first liquid channel (404), a second liquid channel (405), and liquid bearing grooves formed in the two parallel side surfaces of the piston shoes (403); the first liquid channel (404) and the second liquid channel (405) are arranged on a turntable (4);an inlet (4041) of the first liquid channel communicates with one working chamber (101); an inlet (4051) of the second liquid channel communicates with another working chamber (1001); and an outlet (4042) of the first liquid channel and an outlet (4052) of the second liquid channel correspondingly communicate with the liquid bearing grooves in the two parallel side surfaces of the piston shoes (403). The static pressure support for the rotor of the spherical pump has the advantages that unbalance force produced in the running process of the spherical pump is removed; a gap between matching surfaces is ensured; and the power consumption of the spherical pump is reduced.

The invention relates to the technical field of planting of agricultural products and particularly relates to a snake fruit planting method. The snake fruit planting method comprises the following steps: (a) soil preparation and seed preparation: selecting a snake fruit planting land, carrying out deep ploughing and leveling on the land, and then digging snake fruit planting holes; (b) seedling selection: selecting healthy female and male snake fruit plant seedlings; (c) transplantation: applying a base fertilizer to the planting holes, backfilling partial soil, transplanting female or male snake fruit plant seedlings into the planting holes, backfilling the soil, tightly pressing, irrigating planting water, and finally, building a sunshade net above the planting holes; (d) field management: carrying out top application on snake fruits per year, timely clipping withered leaves, watering in good time, and carrying out pest control and prevention and pollination; and (e) harvesting: after the snake fruits are mature, cutting off fruit stems by a knife, and picking irregularly. The snake fruit planting method provided by the invention is applicable to the planting of the snake fruits in China, and the snake fruits planted by virtue of the snake fruit planting method have the characteristics of good taste and high quality.

The invention provides an accurate, rapid and long-term stable integrated self-adaptation adjusting method for the cardiac pacing frequency used for a multisensory composite right ventricle electrode.The electrode comprises a positioning anchor, a silicone conduit, a sensor cabin and a connecting lead. According to the method provided by the invention, the physiological information including theblood photoelectricity volume wave, oxyhemoglobin saturation, temperature, impedance and the like in the cavity of the right ventricle is monitored simultaneously, the blood temperature information with slow metabolic rate change is monitored, then crossed comparing with the oxyhemoglobin saturation information is provided, and thus the accuracy in monitoring the oxyhemoglobin saturation is improved; by monitoring the right ventricular apex impedance information with rapid change, the self-adaptation quick response ability of the pacing frequency is improved; by monitoring the temperature inside the photoelectricity volume wave sensor and the impedance change of the biological tissue attaching to the surface, the thickness variation of the attaching biological tissue is indirectly reflected, thus the LED emission current is dynamically adjusted, and therefore, the failure time of the photoelectricity volume sensor is prolonged.

The invention discloses a forging process for bearing rings made of M50 steel. The forging process comprises the steps of preheating, heating, temperature rising, forging, ash cooling, annealing and detection, wherein in the preheating step, tools and molds are preheated to 150-300 DEG C before blank making; in the heating step, manufactured blanks are heated to 810-850 DEG C from the normal temperature; and in the temperature rising process, the manufactured blanks and rolling rings are heated to 1120+ / -10 DEG C. Through inspection of forged pieces and machined products, the grain size of the products manufactured through the process after quenching reaches the third level (the standard being the second to fourth level), the mixed grain phenomenon is avoided, all the products are qualified after being subjected to water leaching and ultrasonic flaw detection of 0.4+16.5db-0.4+18db, and the hardness of the forged pieces is 210-225 HB. The technical requirements and application requirements for the products are met completely, the service life of bearings is substantially prolonged, and the endurance capability of engines is substantially improved and can reach more than 500 hours to the highest degree.

The invention discloses a power steering gear tie rod, which can prolong the failure time of the power steering gear tie rod when a splicing position between an inner tie rod and an outer tie rod has a fatigue crack, and can prompt the fatigue crack to a driver through reducing the sensitivity of the steering gear. The power steering gear tie rod is formed by splicing the inner tie rod and the outer tie rod, wherein one of the inner tie rod and the outer tie rod is provided with a circular blocking lug, and the other of the inner tie rod and the outer tie rod is provided with a pair of supporting arms which are distributed at the two opposite sides of the tie rod and extend towards the direction of the other tie rod; the supporting arms are distributed at the two opposite sides of the circular blocking lug, the positions at the two ends of the circular blocking lug between the two supporting arms and are respectively provided with a blocking frame, the positions positioned at the inner side of the end surface of the circular blocking lug on the two blocking frames are respectively provided with a blocking rod, the two blocking rods at the same blocking frame are distributed at two the opposite sides of the tie rod of the circular blocking lug, and a gap is formed between each blocking rod and the end surface of the circular blocking lug.

The invention belongs to the field of robot application, and relates to a household swinging cleaning robot which comprises a shell, a transmission cavity is formed in the upper side of the shell, a transmission device is arranged in the transmission cavity, a collecting cavity is formed in the right side of the shell, a collecting device is arranged in the collecting cavity, and a cleaning cavity is formed in the left side of the shell. A cleaning device is arranged in the cleaning cavity, an air drying cavity is formed in the lower side of the shell, and an air drying device is arranged in the air drying cavity. According to the invention, the robot can achieve automatic steering of obstacles, so that the robot can avoid the obstacles in the operation process, the cleaning of the ground is completed under the non-manual condition, efficient storage of garbage can be achieved, damage of the garbage to an internal pump body is reduced, the failure time of the robot can be prolonged, efficient use of water resources and efficient cleaning of the ground can be achieved, cost and time are saved when the robot works, the ground can be air-dried after cleaning, and no residual water exists after cleaning of the robot.

A composite building panel that includes a central body, substantially parallelepipedic in shape, containing an expanded polymer matrix, having opposite faces, a top surface, and a bottom surface; at least one embedded framing stud longitudinally extending across the central body between the opposite faces, having a first end embedded in the expanded polymer matrix, a second end extending away from the bottom surface of the central body, and one or more expansion holes in the embedded studs between the first end of the embedded stud and bottom surface through which the polymer matrix expands. A concrete layer can optionally cover a portion of the top surface and / or bottom surface. The building panel can be positioned perpendicular to a structural wall and / or foundation to provide a floor panel. The second end of the framing studs can be embedded in a second central body to provide an insulated concrete form.

The invention provides an accurate, fast and long-term stable multi-sensor composite right ventricular electrode fusion adaptive cardiac pacing frequency adjustment method. The electrode includes a positioning anchor, a silicone catheter, a sensor cabin and a connecting wire. The present invention simultaneously monitors physiological information such as blood photoplethysmography, blood oxygen saturation, temperature and impedance in the right ventricular cavity, and provides cross-comparison with blood oxygen saturation information by monitoring blood temperature information, which is also a slow-changing metabolic amount, to improve The accuracy of blood oxygen saturation monitoring; improving the rapid response ability of pacing frequency adaptation by monitoring the rapidly changing right ventricular apical impedance information; indirectly reflecting the attached biological tissue by monitoring the internal temperature of the photoplethysm wave sensor and the impedance changes of the surface attached biological tissue. The thickness changes to dynamically adjust the LED emission current, thereby prolonging the failure time of the photoplethysm wave sensor.

The invention provides a manufacturing method for a brick machine mold and a spraying method used in the manufacturing process. The manufacturing method includes the following specific steps that water jet cutting is conducted on a chromium carbide composite wearproof steel plate through a water jet cutting method; the chromium carbide composite wearproof steel plate is treated through a grinding machine; common plates, transverse plates and longitudinal plates in an upper mold are machined, and a mold cavity is formed after machining; the chromium carbide composite wearproof steel plate is punched; and overall welding forming is conducted, correcting and straightening are conducted, and assembly of the formed object and a lower mold is conducted. According to the manufacturing method and the spraying method, the specific water jet cutting is selected to be used for machining the chromium carbide composite wearproof steel plate, damage of a great amount of heat radiated in cutting to the steel plate can be reduced, the cutting forming effect of the steel plate is improved, cutting quality is guaranteed, and cutting is perfect; and the water jet cutting method is simple in step, low in cost and suitable for being popularized on a large scale, one end of water-soluble glue is spread with a layer of wet dry-ice particles, and the wet dry-ice particles absorb heat generated in cutting so that moisture on the surface of dry ice can be frozen, so that the environment temperature is lowered, and the cutting effect is guaranteed.

The application relates to an environmental-friendly glass floor made of waste glass. The environmental-friendly glass floor made of the waste glass comprises an anti-corrosion wear-resistant layer, an antibacterial antifreezing layer, glass, a fireproof sound insulation layer, a waterproof layer, a steel mesh, a mesh cloth, a resin layer, a base layer, and a finger pressure layer. The environmental-friendly glass floor made of the waste glass adopts the waste glass as the raw material of the floor, and the glass is a colorless, transparent, and tasteless raw material without heavy metal and radiation, so that the glass is safe and reliable, the structure of the environmental-friendly glass floor is simple, and production and installation are convenient.