491results about How to "Safe and stable use" patented technology

This invention relates to an LED lamp device which can be applicable to a socket of a general fluorescent lamp, a halogen lamp, an incandescent lamp or the like by embodying an LED illuminating lamp powered by an alternating current (AC) through a simplified rectifier circuit and control of the number of LEDs without a dedicated circuit such as SMPS or the like when constructing the illuminating lamp using the LEDs, and which can reduce manufacturing costs and miniaturize the size of a product.

The invention relates to a positive electrode material of a high-capacity dynamic-type nickel-rich lithium ion battery and a preparation method. The molecular formula of the positive electrode material of the high-capacity dynamic-type nickel-rich lithium ion battery is LiaNi1-x(MM')xO2.M''O, wherein a is equal to 0.9-1.2, x is more than or equal to 0 and less than or equal to 0.7, and M is at least one of Co, Mn and Al; M' is at least one of Co, Al, V, Mn, Zr, Mg, Ti, Cr, Zr, La, Ce, Pr, Nd, Nb, Mo, Y, Sr, Ba, B, Sr, Sn and Ta; M''O is a cladding layer, and M'' is Co and Al. The invention also relates to a preparation method for the positive electrode material of the high-capacity dynamic-type nickel-rich lithium ion battery. The material machining performance is excellent, the battery prepared by utilizing the material, the cycling performance and the high-voltage performance are excellent, the safety and stability in use can be realized, not only can the application performance requirement of a portable electronic device on the battery be met, but also the positive electrode material is applicable to the power battery.

The invention relates to a novel orthopedics restoration device, comprising a bracket used for maintaining the bent-knee position of a suffered limb. The bracket comprises a panel, a substrate and a regulating element for regulating the included angle between the panel and the substrate, and the panel is thereon provided with a traction restoration module which is used for providing immediate traction and location of axial movement and circumferential movement of the limb. On the basis of stabilizing and supporting the suffered limb, the invention realizes the immediate traction of the limb along the axial direction and the circumferential direction and the restoration of the fracture caused by trauma of external force from a plurality of angles. The immediate traction along the circumferential direction solves the problems that precise restoration of the suffered limb can not be realized only by the traction along axial direction, the assistance of force applied by a doctor is required, the maintaining of stability is difficult and traction restoration is inaccurate, thus facilitating the precise restoration of the suffered limb and being convenient for operation.

The invention discloses a multifunctional integrated cooker with waste heat collection devices. The multifunctional integrated cooker comprises a body, an exhaust fume collecting hood and a protective plate, wherein a cooking bench is arranged on the top surface of the body; at least two cookers are arranged on the cooking bench; the exhaust fume collecting hood comprises a side plate, a smoke guide plate, an air door and a smoke stop cover; the waste heat collection devices are arranged in the hearths of the cookers; at least four height adjusting devices are arranged at the bottom of the body; the height adjusting devices comprise rollers, screw rods, limiting nuts, lifting seats and supporting rods; and the protective plate is positioned below the body and is connected with the body. The multifunctional integrated cooker disclosed by the invention is simple in structure and high in practicality, and due to the waste heat collection devices, the heat energy utilization rate during fuel gas combustion is improved, and the energy consumption is reduced. Moreover, cold water can be heated by virtue of heat, the water can be drunk and can be used for cleaning the cookers, and the cookers are convenient to use; and due to the design of an anti-counter-flow device, the condition that pollution of a kitchen environment is caused due to smoke recirculation in the flue is avoided, the cooker is safe to use, and the comprehensive utilization efficiency is improved.

The present invention provides an electrolyte for lithium secondary batteries that allows the batteries to operate safely at a charging voltage up to 4.35V, wherein the electrolyte comprises a combination of a fluoroethylene carbonate compound and a linear ester compound as solvent. Also, the present invention provides a lithium secondary battery that can operate at a charging voltage up to 4.35V, which comprises a positive electrode, a negative electrode and an electrolyte, wherein the electrolyte comprises fluoroethylene carbonate compound and linear ester compound as solvent.

The invention relates to a micro-fine particle cassiterite flotation method. The micro-fine particle cassiterite flotation method comprises the steps that tin-containing materials are prepared into pulp, and ammonium bicarbonate is added in the pulp; then an adjusting agent, collecting agents and a foaming agent are added, wherein the collecting agents comprise naphthalene hydroximic acid, benzohydroxamic acid and oxidized paraffin wax soap; and the pulp is subjected to roughing, and then citric acid and sodium fluosilicate are added into tin rough concentrate for choiceness to obtain cassiterite concentrate. The problems that the micro-fine particle cassiterite flotation recovery rate is low, the concentrate grade is unsatisfactory, and the impurity content is high are solved, and the tin concentrate with the Sn content being larger than or equal to 35% and the recovery rate being larger than or equal to 90% can be obtained; and compared with the prior art, the thin concentrate recovery rate is increased by 15-20%, and the tin concentrate grade is improved by 10-15%. The low-carbon, environment-friendly, economical and efficient method for micro-fine particle cassiterite recovery through flotation is simple in technique, has the advantages that the material adaptability is high, using is safe and stable, the reagent dosage is few, and pollution is little, and has good application prospects.

The invention relates to a fitting part in a tank truck, in particular to a waving resistance device in the tank truck and the tank truck with the same. The waving resistance device comprises a main body and a fixing base, wherein the fixing base is arranged at the top of the main body and is provided with an air inlet-outlet servo control device, and the main body is a soft air-tight capsule body. The waving resistance device is made of soft elastic materials instead of a traditional waving resistant plate made of hard materials, such as metal and the like, thereby performing the upgrade from a one-dimensional waving resistance to three-dimensional waving resistance, effectively absorbing the energy of fluid waves in the tank, reducing impact to the tank from waves, improving the effect of the waving resistance and ensuring the service life of the tank and the stable running of the tank truck.

The invention provides a combined type ceiling hanging part. The combined type ceiling hanging part comprises first connecting parts used for hanging wood veneer to the edge of a ceiling, and second connecting parts used for connecting two adjacent sheets of wood veneer. The first connecting parts are Z-shaped parts or L-shaped hanging part bodies, and the second connecting parts comprise Z-shaped hanging part bodies. Z-shaped hanging part bodies are hung to the horizontal edges of the L-shaped hanging part bodies and the horizontal edges of the right sides of the Z-shaped hanging part bodies. The left ends of the horizontal parts of the upper ends of the Z-shaped hanging part bodies extend downwards to form hanging heads. Adjusting screw rods are installed on the horizontal edges of the L-shaped hanging part bodies and the horizontal edges of the right sides of the Z-shaped hanging part bodies and located between the vertical portions of the Z-shaped hanging part bodies and the hanging heads. The combined type ceiling hanging part is wide in application range, can be used for point hanging and nail hanging, and can be applied to a traditional T-type hanging system. By means of the combined type ceiling hanging part, the stone ceiling is firmer and safer to use, stress points are designed reasonably, the height of four corners of a stone can be adjusted conveniently, and the combined type ceiling hanging part is simple in structure, capable of being assembled and disassembled independently and high in operability, and saves labor and cost while improving the safety.

The invention provides a portable intelligent charger of an electric car. The portable intelligent charger comprises a rechargeable battery, a weak current controlling and protecting module which is connected with the rechargeable battery, and a power factor correcting module which is connected with the weak current controlling and protecting module, wherein a resonant inverter rectifying module is connected between the rechargeable battery and the power factor correcting module; and a power device driving module connected with the weak current controlling and protecting module is arranged on the resonant inverter rectifying module. The portable intelligent charger can be used for overcoming the defects that the charger of the existing electric car is low in charging efficiency, low in reliability, high in power grid pollution and the like. The portable intelligent charger is high in charging efficiency as well as safe and stable to use.

A method for controlling a charging connector anti-theft apparatus includes: verifying a connection between a socket of a vehicle and a charging plug included in a charging connector outside of the vehicle; locking the socket and the charging plug upon initiation of charging the vehicle; determining unlock conditions of the charging plug through communication with a smart-key; and outputting a warning sound or warning light upon reception of a separation signal indicating that the socket and the charging plug have been separated when the determined unlock conditions are not satisfied.

The invention relates to a fitting part in a tank truck, in particular to a waving resistance device in the tank truck and the tank truck with the same. The waving resistance device comprises a main body and a fixing base, wherein the fixing base is arranged at the top of the main body and is provided with an air inlet-outlet servo control device, and the main body is a soft air-tight capsule body. The waving resistance device is made of soft elastic materials instead of a traditional waving resistant plate made of hard materials, such as metal and the like, thereby performing the upgrade from a one-dimensional waving resistance to three-dimensional waving resistance, effectively absorbing the energy of fluid waves in the tank, reducing impact to the tank from waves, improving the effect of the waving resistance and ensuring the service life of the tank and the stable running of the tank truck.

The invention discloses a hoisting tool, in particular to a hoisting tool for a mould and a product in a hot-pressing sintering furnace and has the specific scheme as follows: a circular bracket provided with a nut 3 and a positioning sleeve 5 in the middle and three diagonal bars 6, three flat bars 10, three jackets 4 and hoisting hooks on the periphery is welded according to the size of a hearth, wherein the hoisting hooks are uniformly distributed at 120 degrees; after a T-shaped lead screw 2 which is in threaded fit with the nut 3 and the positioning sleeve 5 is screwed into the nut 3 and the positioning sleeve 5, the top end of the lead screw 2 is connected with a pressure plate 9; a hoisting hook upright post 1 which is provided with a folding hook 12 and a handle 11, is also provided with circular threads in the middle and has two square sides is cut off from the threaded and square joint; one end of each hoisting hook penetrates from a lower port of each jacket 4; and after a positioning nut 7 with a flat washer 8 is screwed, the upright post is welded according to the original appearance. The novel hoisting tool has the advantages of safety and firmness in use, no damage to the mould, a tray and a graphite pipe and long service life; the maximum safety size of the external diameter of the graphite mould can be ensured, and 20 percent of effective use space of the graphite mould can be increased.

The invention discloses a continuous drenching injector, which is applicable to prevention and therapeutic drenching and injection of livestock, poultry and fed wild animals. The continuous drenching injector comprises a small handle, a large handle, a cylinder body, and a pistol-typed structure which is arranged at the front end of the cylinder body and consists of joints which are used for connecting drenching pipe components or injection heads; wherein, the cylinder body is connected with the upper part of the large handle by a connection part; the lower part of the large handle and the small handle are internally provided with the same main spring and connected with each other by a connection pin and a pin buckle; the cylinder body and the large handle are respectively and internally provided with a piston and a piston connection rod which are provided with O-shaped sealing rings; the rear end of the piston connection rod is provided with a channel; the other end of the small handle is embedded into the channel; the upper part of the large handle corresponding to the back part of the small handle at the end is provided with a dosage adjusting net and a thread; and the internal side of the small handle is provided with a liquid suction device which is connected with the piston connection rod by the thread. The continuous drenching injector has the advantages of precise dosage, convenient use of the piston-typed structure, comfortable hand-feeling, light weight of product, good anti-corrosion performance and the like.

The invention relates to a photoresist stripping liquid composition which is mainly used for removing unexposed photoresist in the manufacturing process of a semiconductor device. The photoresist stripping liquid comprises the following components in percentage by mass: 20-70% of a polar solvent, 5-50% of an organic amine compound, 0.01-5% of a surfactant, 0.01-5% of a corrosion inhibitor and 10-60% of deionized water. In the process, the unexposed photoresist in the semiconductor device is removed at a low temperature, corrosion to metal of the semiconductor device is minimized, and a PI bottom film is not swelled.

The invention relates to a steam box with a vacuum rapid-cooling function. The steam box comprises a steam box body and a steam pipeline, wherein the steam box body is provided with a sealing door, and the steam pipeline is communicated with the steam box body. The steam box is characterized in that the steam box body is a house type cabin box capable of bearing a positive pressure and a negative pressure and is provided with a pipeline penetrating into the steam box from the top; the part, outside of the steam box, of the pipeline is connected with a tee joint; the tee joint is respectively communicated with a steam conveying pipeline, a vacuumizing pipeline and a deflating pipeline; the steam conveying pipeline, the vacuumizing pipeline and the deflating pipeline are respectively connected with valves; and the vacuumizing pipeline is connected with a vacuum pump. The steam box with the vacuum rapid-cooling function has the beneficial effects that the steam box has very strong high pressure resistance and negative pressure resistance, the occupied area is only two square meters, and steamed foods can be rapidly cooled to the normal temperature within 3-5 minutes, so that the labor productivity is effectively improved, and the production and processing costs are lowered.

The invention relates to a breathing mask for a breathing machine. The breathing mask comprises a receiving mask and a support component, wherein the receiving mask comprises a joint part which is suitable for jointing the mouth and / or the nose of a patient, a connecting part which is used for connecting a breathing pipe and an elastic deformation part which is used for connecting the joint part with the connecting part; the support component comprises a forehead supporting frame which is arranged outside the connecting part, a receiving mask fixing frame which is fixedly arranged outside the joint part and an elastic piece which is used for connecting the forehead supporting frame with the receiving mask fixing frame from the bottom part of the receiving mask. According to the breathing mask for the breathing machine, disclosed by the invention, automatic adjusting of the forehead supporting frame can be realized, and manual auxiliary adjusting is not needed.

The invention discloses an automatic stair climbing chair which comprises an electric folding chair and an electric stair climbing mechanism. The electric folding chair is driven by a servo motor to move forwards or backwards. The electric stair climbing mechanism is arranged on the rear side of the electric folding chair. The electric folding chair and the electric stair climbing mechanism can be folded into a whole to be stored. The electric stair climbing mechanism adopts a pair of caterpillar bands for walking up and down stairs. The electric stair climbing mechanism controls the servo motor through a circuit board and a control box. A spring wire is arranged inside a pull rod, and wiring is performed in a concealed wiring mode. The automatic stair climbing chair is simple in structure, and after the automatic stair climbing chair is folded into the whole, the storage space is small, so that carrying and storage are convenient. Compared with traditional caterpillar bands, plane and longitudinal decoration line caterpillar bands are adopted, and transition is smooth and comfortable; the control wiring is arranged in the concealed wiring mode, wires will not be damaged, and the automatic stair climbing chair is safer; a rear lifting handle has the locking function, so that an operator transfers a patient conveniently; the stair climbing chair is flexible and convenient to operate, safe and stable to use and convenient to maintain.

The invention discloses a stone multi-stage smashing device for ore mining. The stone multi-stage smashing device for ore mining comprises a shell, a filler opening, a screen, a drive motor and smashing rollers. Multiple limiting rollers are horizontally distributed in the filler opening. The horizontal screen is fixed to the upper portion in the shell. A vertical extrusion plate is arranged abovethe screen, and multiple horizontal magnetic bars are fixed to the circumference of a rotary disc. The two cooperated smashing rollers are arranged under a discharge pipe, a horizontal moving plate horizontally penetrating out of the two sides of the shell through openings is arranged below the smashing rollers, and vertical pushing plates are fixed to the portions, located on the outer sides ofthe two smashing rollers, of the horizontal moving plate. Stones entering the device are preliminarily smashed through the extrusion plate moving left and right, the stones which cannot fall are continuously smashed, and complete smashing is guaranteed; and through the rotating magnetic bars, iron is removed out of the stones, it is guaranteed that following fine treatment of the stones is safer,and damage to equipment is reduced.

The invention provides an audio connector testing device, which comprises a support plate, a box body fixed on the support plate, a probe base, an insertion cylinder, a plurality of probes fixed on the probe base, a product carrier, a pressing cylinder fixed on the box body and located above the product carrier, a pressing block of an audio connector, a plurality of audio detection plugs facing the product carrier, a transmission mechanism movably positioned on the support plate and fixed with the insertion cylinder to drive the audio detection plugs to move toward or apart from the audio connector, and a control unit for controlling the motion of the insertion cylinder and the pressing cylinder, wherein the pressing block is fixed below the pressing cylinder and placed onto the product carrier in a pressing manner; and a plurality of positioning cavities used for positioning the audio connector are arranged on the product carrier. The audio connector testing device provided by the invention is high in detection efficiency and simple to operate.

A high-elongation rate aluminum alloy material and preparation method thereof. The high-elongation aluminum alloy material contains, in weight percentage, 0.30-1.20% of iron, 0.03-0.10% of silicon, 0.01-0.30% of rare earth elements, namely cerium and lanthanum, and the remaining aluminum and inevitable impurities. The aluminum alloy is made from materials through a fusion casting process and a half-annealing treatment. An aluminum alloy conductor made thereof has a high-elongation rate and good safety and stability in use.

The invention provides an automatic gas source switching device which comprises a gas inlet valve, a pressure collector, a compressor and a respirator, wherein the gas inlet valve comprises a valve body; a gas inlet channel of a centralized gas source, the gas inlet channel of the compressor and a gas outlet channel of the respirator are arranged in the valve body; the gas inlet channel of the centralized gas source, the gas inlet channel of the compressor and the gas outlet channel of the respirator are converged in a mixing cavity of the valve body; the pressure collector is connected on the valve body and used for collecting pressure signals in the mixing cavity and feeding back the pressure signals to the respirator; a joint of the respirator is connected with the respirator, and a gas inlet joint of the compressor is connected with the compressor; and a main board of the respirator is used for controlling the startup and the stop of the compressor according to the signals which are fed back by the pressure collector. The automatic gas source switching device can enable the respirator to be more stable during the use by automatically switching between the centralized gas source and a compressor gas source, and the manual switching is unnecessary, thereby reducing manpower and material resources, improving the safety of treatment and reducing the suffering of a patient.

The invention discloses a duplex type hydraulic control one-way valve, which comprises a valve body and a main valve core and is characterized in that a valve cavity is arranged in the valve body, the main valve core is arranged in the valve cavity, a spring connected with the top of the valve body is arranged inside the main valve core, an axial small hole is formed in the lower end of the main valve core, a radial hole communicated with the axial small hole is formed in the outer circle of the main valve core, the axial small hole is sealed through an unloading valve core push rod, an unloading valve core is arranged at the upper end of the unloading valve core push rod, a control opening is formed in the bottom of the valve body, a piston is arranged in the valve cavity arranged at the upper end of the control opening, a push rod is connected with the upper end of the piston, and the push rod can push the unloading valve core push rod to upwards move. The duplex type hydraulic control one-way valve solves the problems that the one-way valve can only realize the one-way flowing, the stable reverse flowing cannot be realized, the use function is single, in addition, the damage can easily occur, and the service life is short. The provided duplex type hydraulic control one-way valve has the advantages that the structure is simple, the use is convenient, the two-way flowing can be fast and stably realized, in addition, the damage cannot easily occur, and the service life is long.

The invention discloses a multi-posture overturning physiotherapy bed with a closestool device. The multi-posture overturning physiotherapy bed comprises a bed frame, a moving middle frame, a bed board assembly, as well as a withstanding and paving mechanism and a closestool mechanism which are arranged below the moving middle frame; the withstanding and paving mechanism is slidably mounted on the moving middle frame, and the closestool mechanism is slidably mounted on the bed frame along a direction vertical to the sliding of the withstanding and paving mechanism. The multi-posture overturning physiotherapy bed has a closestool function and lying and overturning functions, is beneficial for improving the comfort of a patient in daily life, and has the characteristics of convenience in functional usage, automatic control, stability and reliability; the service of family members and nursing staff is facilitated while the body pain of the patient is reduced.

The present invention provides an electrolyte for lithium secondary batteries that allows the batteries to operate safely at a charging voltage up to 4.35V, wherein the electrolyte comprises a combination of a fluoroethylene carbonate compound and a linear ester compound as solvent. Also, the present invention provides a lithium secondary battery that can operate at a charging voltage up to 4.35V, which comprises a positive electrode, a negative electrode and an electrolyte, wherein the electrolyte comprises fluoroethylene carbonate compound and linear ester compound as solvent.

The invention discloses a clamping tool for a motor end cover, which comprises a clamping platform, positioning grooves are symmetrically opened on both sides of the lower surface of the clamping platform, a center column is welded at the center of the upper surface of the clamping platform, and the center Both sides of the column are symmetrically equipped with a transmission rod and a matching top plate. The center of the upper surface of the transmission rod is threaded with a fastening pin, and the upper surface of the fastening pin is clamped with a rotating handle. The two sides of the clamping table The side is snap-connected with the telescopic rod through positioning pins, and the upper surface of the telescopic rod is rotationally connected with the rotating rod through a bearing. , the lower surface of the upper pressing plate is fixed with a contact gasket, and the upper surface of the clamping platform is symmetrically provided with lower pressing plates on both sides. In the present invention, the overall structure design of the clamping tool is simple and reasonable, the connection between parts is stable, the operation is flexible and convenient, and it has strong practicability.

The invention discloses a method for measuring hydrogen concentration in a containment vessel of a nuclear power plant, belonging to the field of flammable and explosive gas concentration measuring technique. The method comprises the steps as follows: (1) carrying out combination reaction on hydrogen and oxygen in the containment vessel of the nuclear power plant under normal temperature conditions; (2) respectively measuring the ambient temperature T1 and the combination reaction temperature T2 in the containment vessel of THE nuclear power plant; and (3) calculating by adopting a formula to obtain the hydrogen concentration. The method is simple, safe and reliable, and large in measurement range.

The invention discloses a method and equipment for improving the heat efficiency of an automobile fuel. According to the method, the automobile fuel before entering a cylinder is heated, thus the heat efficiency of the fuel is improved; and in particular, an electromagnetic induction coil is used for heating, the operation is convenient, safe and reliable, and the electromagnetic induction heating efficiency is high. The equipment comprises a heating unit, wherein the heating unit comprises a heating control main board, a power supply acquisition module, a relay and a heating module; the power supply acquisition module, the relay and a heating control unit are sequentially connected, and the heating module is controlled by the heating control main board; the relay is connected with an automobile-mounted storage battery; and the heating module is arranged at an oil rail or an oil nozzle of an automobile oil supply system. The reaction speed and the flame propagation speed of a mixed gas in the cylinder are increased according to the detonation theory of the mixed gas, thus an engine power is improved; and more chemical energy of the fuel is converted to kinetic energy, thus the heat efficiency of the fuel is increased, and the effects of energy conservation and emission reduction are achieved.