38results about How to "Reach service life" patented technology

The invention discloses a lithium ion battery management system and an online measurement method for cell capacity and health state of a battery electrical core. The system is composed of a master control unit, a cell sensing monitoring unit and an electric current sensor. High-low voltage separating design is adopted, and the cell sensing monitoring unit is used for monitoring and measuring the voltage of the battery electrical core monomer; the electric current sensor is used for measuring the busbar electric current of a major loop of the electric circuit; the master control unit is used for controlling the work mode of the lithium ion power battery group, processing and storing of data, and online-measuring the battery monomer electrical core capacity, on this basis, online diagnosis monitoring for the health state of the battery electrical core monomer is performed, reliable reference for the replacing of the battery electrical core is provided, the property and state of the lithium ion power battery group can be effectively monitored, important basis is provided for the calculating of other inner state parameters of the battery, important information is provided for the strategy of automobile, and the safety of the vehicle and the driver and passenger is guaranteed.

The invention discloses a liftable medical push cabinet, comprising a bottom box, the top of the bottom box is movably connected with a top box, the back of the inner wall of the bottom box is provided with a mechanical groove, and the bottom of the mechanical groove is provided with a The top of the bottom box is provided with a lift slot corresponding to the position of the top box. The bottom of the placement slot is fixedly connected with an electric telescopic rod, and the tops on both sides of the electric telescopic rod are fixedly connected with a fixed rod. The end of the rod far away from the electric telescopic rod is movably connected with a connecting rod, and the end of the connecting rod far away from the fixed rod is movably connected with a rotating rod. One side is fixedly connected with a transmission shaft, both sides of the bottom of the mechanical tank are fixedly connected with a fixed column, and the top of the fixed column is fixedly connected with a support block. When the user of the present invention is pushing, the sight line of the user will not be blocked, and the patient or the wall will not be hit, so as to avoid causing harm.

The present invention discloses a thermal insulation and sound absorption structure of a building external wall. The structure comprises a wall body, a rock wool layer is disposed at an inner wall of the wall body while a reflection-type thermal insulating layer is disposed at an outer wall of the wall body, the rock wool layer and the wall body are fixed by building expansion anchors disposed therebetween, a waterproof mortar layer is disposed at the other side of the rock wool layer, the reflection-type thermal insulating layer and the wall body are bonded through a bonding layer, a protective layer is disposed at the other side of the reflection-type thermal insulating layer, the reflection-type thermal insulating layer is composed of aluminum foil plates and elastic glue sticks, the aluminum foil plates are folded to be wave-shaped or zigzag, each top part of the aluminum foil plates is attached with one elastic glue stick so as to form the reflection-type thermal insulating layer, the elastic glue sticks are high-elasticity polyurethane rubber wear-resisting buffering stick pins, and the diameter and length of the elastic glue sticks are defined according to the shape of the aluminum foil plates. Under the condition of meeting strength requirements of the outer wall, the wall body has excellent inflaming-retarding and heat-shielding performance, noises in an outer wall environment are isolated at the same time, and within a certain cost range, the building outer wall can have a special functional performance.

The invention discloses a vertical type bicycle parking device comprising guiding rods, pedal devices, a telescoping mechanism, and a locating seat; the guiding rods which are arranged symmetrically are vertically fixed on the foundation; the guiding rods are provided with sidling blocks; the pedal devices are arranged on the guiding rods; the pedal devices can drive the sliding blocks to carry out up-and-down movement on the guiding rods; the telescoping mechanism is connected with the sliding blocks on the guiding rods; the telescoping mechanism can horizontally slide on a support seat; thelocating seat is fixed on the foundation; the locating seat is provided with a locating hole; the tail end of the telescoping mechanism can be arranged in the locating hole; the front end of the telescoping mechanism is used for locking bicycles; and a folding lifting frame in a pedal lifting mechanism can change rotating force produced by a pedal to lifting force moving in the axial direction ofthe guiding rods. The vertical type bicycle parking device saves space and labor, and it is ensured that the bicycles can be safely and conveniently parked.

The invention discloses a method for preparing a high-temperature resistant corrosion-resistant mullite silicon carbide castingmaterial. The method comprises the following step: preparing a mullite carbon silicon casting material, wherein crude aggregate comprises 6-13% of mullite and 3-5% of a zirconium oxide fiber; medium aggregate comprises 8-15% of flint clay, 20-25% of carbon silicon and 1-1.5% of zircon; fine aggregate comprises 18-27% of mullite; an adhesive comprises 10-15% of magnesium silicate, 12-27% of phosphate, 3-5% of silicon micro powder, 6-8% of yttrium oxide and the balance of impurities. On premise that the stability of the zirconium oxide fiber is maintained by using the yttrium oxide, the zirconium oxide fiber is tightly combined with a product converted at a high temperature, then the chemical corrosion resistance and the wearing resistance of the mullite fiber fire-refectory casting material can be improved, the temperature in a vacuum cavity with a mullite fiberfire-refectory casting material layer is effectively ensured, an effect of corrosion and high-temperature resistance can be achieved, and the service life can be prolonged.

The invention relates to an automobile safety brake device which comprises a brake rotating disc and a brake device. A fixing seat is fixed to the middle of the brake rotating disc, the brake device comprises a shell, a hydraulic cavity is formed in the upper portion of the shell, connecting plates are arranged between the shell and the hydraulic cavity, a push plate is arranged between the connecting plates, and a guide rod is fixed to the lower side of the push plate. A guide hole is formed in the left side of the shell, a guide rod is connected with a spring, a sliding plate is slidably connected with the hydraulic cavity, a sliding rod is arranged on the lower side of the sliding plate, the lower end of the sliding rod is fixedly connected with the middle of the upper side of the push plate, and four swing rods are arranged between each sliding plate and the vertical plate of the push plate on the corresponding side. In the downward moving process of the connecting plate, the spring is compressed, after braking is completed and a driver loosens a brake pump, the elastic force of the spring drives the connecting plate to move upwards and drives a swing rod to swing, a brake pad is rapidly separated from a brake rotary disc, and brake locking is prevented. An alarm block is contacted with a guide hole to trigger an alarm to remind a driver to replace the brake pad in time.

The present invention discloses a corrosion-resistant copper wire for an oil filter net. The corrosion-resistant copper wire comprises a copper wire main body; the surface of the copper wire main bodyis provided with arc-shaped grooves; the inner walls of the arc-shaped grooves are fixedly connected with galvanized layers; the inner wall of the arc-shaped grooves are provide with annular grooves;besides, the galvanized layers are fixedly connected on the inner walls of the annular grooves; the annular grooves correspond to the positions of the galvanized layers; the circle centers of the annular grooves coincide with the circle center of the copper wire main body; the surface of the copper wire main body is fixedly connected with inner walls of reinforcing layers; the inner walls of thearc-shaped grooves, the surfaces of the galvanized layers and the surfaces of the reinforcing layers are fixedly connected with an inner wall of a first anticorrosive layer; and the surface of the first anticorrosive layer is fixedly connected with a second anticorrosive layer. By arranging the arc-shaped grooves, galvanized layers, annular grooves, reinforcing layers and the first anticorrosive layer, the corrosion-resistant copper wire solves problems that during use processes of current most oil filter nets, surfaces of copper wires are easily broken by impurities with relatively large particles and corroded by liquid with corrosion, resulting in a relatively low service life of the oil filter nets.

The invention discloses a solar photovoltaic panel convenient to adjust. The solar photovoltaic panel comprises a fixing base, an adjusting box is fixedly connected with the upper surface of the fixing base, a first gear is arranged in the adjusting box, a curved rod is fixedly connected with one side face of the first gear, the end, away from the first gear, of the curved rod penetrates through the inner side wall of the adjusting box and extends to the outer side of the adjusting box, a second gear is arranged in the adjusting box, the outer surface of the second gear meshes with the outer surface of the first gear, a threaded rod is fixedly connected with the upper surface of the second gear, the end, away from the second gear, of the threaded rod penetrates through the inner top wall of the adjusting box and extends to the part above the adjusting box, the outer surface of the threaded rod is sleeved with a first bearing, the outer surface of the first bearing is fixedly connectedwith a first fixing rod, the end, away from the first bearing, of the first fixing rod is connected with the inner side wall of the adjusting box, and a threaded ring is arranged on the top of the adjusting box. The solar photovoltaic panel convenient to adjust has the advantages of being capable of adjusting the solar photovoltaic panel and long in service life.

The invention discloses a hydraulically-driven rotary casing shoe with a multi-stage power system. The Hydraulically-driven rotary casing shoe comprises a rotating combination, a non-rotating combination and a bearing system, wherein the rotating combination is rotatably connected to the outer side of the non-rotating combination through the bearing system, and the rotating combination and the non-rotating combination form a multi-stage rotating structure. According to the hydraulically-driven rotary casing shoe, a rotor rotational flow cylinder is pushed by rotational flow which is generated when fluid flows through a stator rotational flow piece, then a redressing guide shoe is driven to rotate so as to pass through a well section with diameter shrinkage and the like which are not beneficial for a casing to pass, the target that the casing smoothly descends to the target depth is achieved, and the multi-stage rotational flow rotor and stator combination is arranged, so that the torque is increased, and the effectiveness of the device is increased.

The invention discloses an airbag tool fatigue ray nondestructive detection device and an automatic detection method thereof. The airbag tool fatigue ray nondestructive detection device comprises a ray nondestructive detection box, an in-place cylinder type guide rail and a movable lifting frame; the ray nondestructive detection box comprises a ray emitting module, an image receiving plate, a detection box workbench, a protective shell and an image processing system; the protective shell serves as a carrier of the ray nondestructive detection box and is used for fixing the ray emitting module, the image receiving plate and the detection box workbench; and the ray nondestructive detection box is connected with the in-place cylinder type guide rail or the movable lifting frame, so that an airbag tool is adjusted in a ray range to obtain a state image of a metal material structure of the airbag tool under two working modes of detection or off-line detection, and then fatigue characteristics are extracted to complete nondestructive testing. According to the airbag tool fatigue ray nondestructive detection device and an automatic detection method thereof, the fatigue damage condition of the airbag tool can be qualitatively and accurately detected and analyzed, and visual images can be stored for a long time.

The invention discloses an environment-friendly LED light-emitting tube capable of processing blue light, and particularly relates to the technical field of LED light-emitting tubes, the protection structures on the two sides can be closed through automatic bounce-off operation of the protection structures, so that a lamp body can be sealed and covered, leakage of the lamp body is avoided, the lamp body can be protected, and the service life of the LED light-emitting tube is prolonged. Therefore, damage caused by external force to the lamp body is avoided, the service life of the lamp body is guaranteed, operation is easy through automatic unfolding of the protection structure, the heat conduction and heat dissipation effects can be achieved through the cooling fins, under the condition of high heat, the heat control structure can trigger the switch, then the heat dissipation device is triggered to operate, and the service life of the lamp body is prolonged. The heat dissipation device can blow air to the heat dissipation fins, the heat dissipation speed of the heat dissipation fins can be further increased, the heat dissipation effect of the lamp body is more remarkable, rapid heat dissipation operation of the lamp body is achieved, and the service life of the lamp body is further guaranteed.

The invention discloses a method capable of improving the processing quality of the sliding seat in a machine tool. The burrs on the B surface of the sliding seat are removed with an oil stone or a file, and the plane and the B surface of the sliding seat are wiped clean; the B surface of the sliding seat is lightly Put it lightly on the platform, start to process the A side, after the A side is processed, process the B side; use a vise or a right-angle jig to check the verticality; use a vise or a right-angle jig to clamp the slide seat, and process the F side, F After the surface is processed, return the X-axis on the display to zero, turn the vise or right-angle jig 90 degrees, and clean the surface in contact with the plane; after the vise or jig is turned over, start processing D surface; smooth both sides of the grinding wheel and the bottom, adjust a block on the plane, clean the B and E surfaces, and place the B surface on the platform close to the block; cut the corner; use sandpaper to clean each The burrs on the edge of the groove are knocked out. The principle of the method is simple, the steps are simple, the operation is convenient, the processing quality of the sliding seat can be improved, and the sliding seat reaches the designed service life of the machine tool.

The invention discloses a kaolin calcining furnace with an illuminating lamp. The kaolin calcining furnace comprises a furnace body, temperature sensors, heating electric membrane plates, a motor, an electric control cabinet, a rotary shaft, material pushing scrapers, the illuminating lamp and a constant-current drive power supply; the illuminating lamp is an LED lamp; and the constant-current drive power supply is composed of an EMC filtering module, a bridge type rectifier module, a pulse modulation and power factor correction module, an MOS tube, a transformer and a rectifier output module. As each heating electric membrane plate is formed by butt jointing two half parts, and each two half parts penetrate through electric membrane plate mounting holes formed in the two sides of the furnace body respectively and enter an interlayer of a furnace bottom, each heating electric membrane plate is greatly convenient to maintain and change; with adoption of a mode of remote monitoring, a worker can monitor equipment without being beside the equipment; and in the constant-current drive power supply, as PFC correction and DC-DC conversion can be realized by using a single transformer, the kaolin calcining furnace has the characteristics of simpleness in circuit, small amount of elements and low cost.