262results about How to "Stability protection" patented technology

A non-aqueous electrolyte to be used in a Li-ion battery includes a lithium salt, a cyclic carbonate, a linear carbonate and an alkyl fluorinated phosphate, of the following general formula

wherein R¹, R² and R³, independently, are selected from the group consisting of straight and branched alkyl groups having 1-5 carbon atoms, and at least one of said alkyl groups is fluorinated, with the locations of said fluorination being at least β-positioned away from the phosphorous of said phosphate, such that said alkyl phosphate has a F/H ratio of at least 0.25, and said electrolyte solution is non-flammable.

A knee protection airbag apparatus of this invention has an airbag having a construction in which folded and accommodated below the area in front of the knees of a passenger who is seated, and inflates upward toward the rear of the vehicle so as to be capable of protecting the knees of the passenger, when an inflating gas is inserted. The airbag includes a knee protection inflation portion which is disposed on the upper side of the airbag after completion of inflation and which is capable of protecting both knees of the passenger, and a shin facing portion disposed below the knee protection inflation portion after completion of inflation, in an area extending substantially vertically so as to be at the position of both shins of the passenger. Gas flow paths are disposed within both right and left edge sides of the airbag and can cause the inflating gas flowing at the lower part of the airbag to flow towards the knee protection inflation portion while inhibiting the shin facing portion from greatly inflating in the initial stage of inflation of the airbag.

The invention discloses an auto-darkening welding filter capable of automatically setting a shade number, comprising a liquid crystal lens group, light sensitive tubes, a trigger circuit and a singlechip. Two groups of light sensitive tubes are provided, one group includes infrared light sensitive tubes and the other group includes green light sensitive tubes, wherein, the infrared light sensitive tubes are used for detecting welding arc light and controlling the work of the singlechip through the trigger circuit; the green light sensitive tubes are used for detecting green light signals in the welding arc light and transmitting the detected signal to a matched light intensity processing circuit; the detected signal is processed into a light intensity signal by the light intensity processing circuit and is then transmitted to the singlechip; and the singlechip automatically controls the darkening of the liquid crystal lens group according to the green light intensity value. The filterovercomes the problem of damage to the users by the existing darkening welding filter owning to using complexity and easy misoperation.

A battery sheath having enough mechanical strength to stably protect a battery from external impact is provided. The battery sheath also has reduced thickness, thereby increasing battery capacity. In addition, the battery sheath suppresses swelling, thereby preventing battery deformation. The battery sheath includes a base layer having a first surface and a second surface opposite the first surface. A first adhesive is applied to the first surface of the base layer to a predetermined thickness. A CPP layer is applied to the first adhesive to a predetermined thickness. A PET layer is laminated at high temperature on the second surface of the base layer to a predetermined thickness.

Provided is a charge control system of a battery pack. The charge control system includes a charge unit, a battery management unit, a charger management unit, and a voltage level shift unit. The charge unit charges a battery. The battery management unit includes first and second ports, determines one of a charge mode and charge stop mode of the battery according to whether the charge unit is disabled, and controls outputs of the first and second ports according to the determined result. The charger management unit is connected to a data input terminal of a charger, and controls an operation of the charger according to a voltage level of the data input terminal. The voltage level shift unit shifts a voltage level of the data input terminal according to the outputs of the first and second ports.

The invention relates to a method for controlling blasting by double-medium decoupling fracture and damage and a blasting cartridge thereof. The method adopts cylindrical explosive, detonator or primacord to explode a hole on a blasted rock body. The method is characterized in that water and air are simultaneously used in the hole to separate explosive, wherein, the water medium is aligned to the side of a free surface, while the air medium is aligned to the side of a reserved surface; the uniform distributing state of explosive energy can be changed by using the characteristics that the two media have different efficiencies of transmitting energy, thereby achieving the function of completely destroying one side and protecting the reserved surface during blasting, and forming a flat fracture surface. The blasting cartridge consists of an outer tube, an inner tube and a separating wall, wherein, the separating wall separates a cavity formed between the outer tube and the inner tube into a medium chamber for containing the water medium and a medium chamber for containing the air medium; and an explosive chamber for placing the cylindrical explosive is arranged in the inner tube. The invention has the advantages of easily operating, improving explosive power and agglomerating rate, protecting stability of wall rock, reducing harm of dust and noise, and the like, and can be widely applied to smooth blasting projects such as tunnels, side slopes, water conservancies, mining, and the like.

The present disclosure provides an airbag for a vehicle. The airbag safely supports a passenger after deploying forward from behind a passenger in a seat. Additionally, the airbag is able to be changed in position to safely protect a passenger by changing the position even when the position of a seat is changed.

A roof airbag apparatus may include: a gas injection unit configured to discharge gas; a tether guide extending in a longitudinal direction of a roof; and an airbag configured to be deployed by gas transferred from the gas injection unit. The airbag may include: a first chamber part coupled to the tether guide and configured to be deployed in a longitudinal direction of the tether guide by gas transferred from the gas injection unit; and a second chamber part coupled to the first chamber part, and configured to be deployed by gas transferred from the first chamber part and cover the first chamber part.

A machine for transplanting rice seedlings, which carrying seedlings table is assembled on a transverse transportation axis under the state that the table connects to a couple of right and left connecting support pieces. In the body, a transverse transportation axis (71) is supported with the mode of moving freely along the body horizontally, the two end of the transportation axis (71) connect with the couple of right and left connecting support pieces (75) with the mode of moving freely with one body. The transverse transportation axis (71) includes: a transverse transportation main body (71a), being supported on the body with the mode of to-and-fro moving freely; connecting axis (100, 105) connecting with two end of the transverse transportation main body (71a) through a screw with the mode of being adjusting flexibly along the transverse transportation axis moving direction; combining parts (102, 107) which locate on the couple connecting axis (100, 105) and joint to the support piece (75) with the mode of moving with one body freely along the transverse transportation axis moving direction.

The invention relates to a source node position privacy protection method based on Sink and a grid in a WSN. In the traditional scheme, the defect of overlarge communication overhead caused by determining the phantom node by utilizing the flooding of the source node is overcome. According to the method, firstly, network initialization is carried out, nodes in the network are pre-deployed, then a source node receives a phantom node set, for example, a single phantom node scheme is used with low energy consumption as a first target, for example, a double phantom node scheme is used with high security as a first target, and phantom nodes are selected and routing transmission is carried out according to different schemes. According to the method, a source node selects a phantom node from a phantom node set determined by a Sink node, and then collected information is transmitted to the Sink node in a multi-hop mode through the phantom node. The generated phantom node positions are distributed in the whole network, randomness and diversity are achieved, the security of source node position privacy in the WSN is improved, meanwhile, the node cost is reduced, and the communication overheadis reduced.

The invention discloses a three-layer gas protection cover for titanium and titanium alloy friction stir welding, relates to a three-layer gas protection cover, and solves the problems of an existing protection device that a welding area with trailing is smaller and a formed weld joint lacks of the necessary gas protection, so as to cause performance degradation due to poor protection in the weld joint forming and cooling process. The three-layer gas protection cover comprises an inner gas cover (1), a middle gas cover (2), an outer gas cover (3), an air inlet nozzle (4) of the inner gas cover, an air inlet nozzle (5) of the middle gas cover, an air inlet nozzle (6) at the cylindrical gas inlet section of the outer gas cover and an air inlet nozzle (7) at the trailing section of the outer gas cover; through cavities are axially formed in the inner gas cover (1), the middle gas cover (2) and the outer gas cover (3), the inner gas cover (1) is installed in the cavity of the middle gas cover (2) and the middle gas cover (2) is installed in a cavity of the outer gas cover (3). The three-layer gas protection cover provided by the invention is used for titanium and titanium alloy friction stir welding.

The invention discloses an aluminum profile machining surface polishing device capable of adjusting the polishing uniformity, which comprises a base, a positioning frame is fixedly arranged in the middle of the top of the base, through grooves are arranged at the middles of the two sides of the inner wall of the positioning frame, sliding blocks are arranged in the two through grooves in a sliding mode, a fixed plate is fixedly arranged at one end of the two sliding blocks, and one end of each of the two sliding blocks is fixedly connected with the middle position of the two sides of the fixed plate correspondingly. A positioning handle is rotated, so that a moving block arranged on the outer wall of a lead screw in a threaded mode drives a second rotating disc at the bottom end to move, the second rotating disc slides along a first sliding groove on the inner wall of a positioning seat fixed to the bottom end of a first rotating disc through a moving block fixed to the top end, the second rotating disc can be adjusted to different rotating polishing areas, and therefore the surface polishing and grinding uniformity of an aluminum profile is adjusted, and aluminum profiles with different specification requirements can be ground conveniently, and the practicability of the aluminum profile surface machining, polishing and grinding device is improved.

The invention provides a process for producing a cover glass for portable appliances. The process comprises an ion-exchange step in which a glass article of a lithium-containing composition is brought into contact with a salt melt that contains an alkali metal element having a larger ionic radius than lithium, which is contained in the glass, to thereby cause ion exchange between some of the lithium contained in the glass article and the alkali metal contained in the salt melt. At least one additive selected from the group consisting of NaF, KF, K3AlF6, Na2CO3, NaHCO3, K2CO3, KHCO3, Na2SO4, K2SO4, KAl(SO4)2, Na3PO4 and K3PO4 is added to the salt melt, and the ion-exchange step is conducted so that the additive is in a solid state.

The invention relates to a collection port water spray cooling device for a high temperature wind tunnel and belongs to the technical field of wind tunnel tests. The high temperature generally means that the incoming flow total temperature is not less than 3000K. The collection port water spray cooling device is aimed to protect a front section of a diffuser of a high temperature wind tunnel whichoperates for a long time. This is the first time that an ultrahigh temperature and large temperature difference water spray cooling device has been designed and added to an inlet of a diffuser of a high temperature wind tunnel in the country. The device is close to a collection port and can work for a long time in an extreme environment with a total temperature of 3600K. The device can rapidly cool high temperature airflow outer edge air and effectively protect the wall surface of the front section of the diffuser. The collection port water spray cooling device makes enables long-time stableoperation of a wind tunnel at a high temperature and provides a new way for high temperature wind tunnel wall surface protection and tail gas processing. By spraying water to high temperature airflowsprayed out from a spray pipe, the device can cool airflow outer edge, thereby solving the problem in thermal protection of the wall surface of the front section of a diffuser for a high temperature wind tunnel.

The invention relates to an absorbable cream and a preparing method, in particular to an acid absorbable cream and the preparing method, which pertains to the dairy technical field. The composite components and the weight of the acid absorbable cream of the invention are: dairy material, granulated sugar 80 to 180g; colloid stabilizing agent 0.2 to 2.0 percent of the total weight occupying; wherein, the dairy material is chosen from fresh milk, one of milk powder or barmy milk base stock; the usage amounts are: fresh milk 400 to 800g, or milk powder 40 to 150g, or barmy milk base stock 250 to 350g The invention is characterized by paste shaped or gel shaped appearance, and smooth, sensitive and full milk fragrant mouth feel, which can be eaten by using a soup ladle or a sucker.

The invention relates to a protective air cushion specially used in a basket. A main body of the protective air cushion has an inner cavity which can be aerated and sealed. The protective air cushion is characterized in that the main body is wholly concave; the outer surface of the main body is matched with the inner surface of the basket; the main body of the protective air cushion is provided with a concave structure which is matched with the inner shape of the basket, so that the relative stability between the air cushion and the basket is better and the air cushion can protect the fragile articles in the basket when a bicycle or electric vehicle bumps during a running process; a charging nozzle can be arranged on the air cushion, for achieving the purposes of conveniently aerating and deflating by a customer and conveniently taking and storing; and the size of the air cushion can be adjusted by controlling the volume of filled air, thereby being fit with the size of the basket, needing no special making, being convenient to use and being high in matching degree. Besides, the air cushion can be made into an integrated air cushion, which is free from being spliced and is formed by once aerating, conveniently used, low in cost and suitable for mass consumption. An environmentally-friendly glue film material of the main body of the air cushion is beneficial to environmental protection and recycling.