490results 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 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.

A dishwasher includes a wash cabinet having a bottom, two opposite side walls, an upper and a rear wall and an opening that normally is covered by a front door. The dishwasher is provided with at least one lower basket for the dish being cleaned, said basket being movable between a first position inside the cabinet and a second position mainly outside the cabinet. The dishwasher is at each side of the opening provided with a support arranged to move mainly vertically in or close to the side walls for raising the lower basket from a lower to an upper position and vice versa. The supports are articulated by a lifting mechanism arranged to move the supports from an inactive position out of engagement with the lower basket to an active position in which they are in engagement with the lower basket.

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 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 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 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.