40results about How to "To achieve mutual cooperation" patented technology

The invention relates to an energy control method of an urban rail super capacitor storage system. The method comprises the following steps that: a direct-current power supply network voltage Udc and a super capacitor module group terminal voltage Usc are collected respectively and an output branch current Isc of the super capacitor module group is connected within each control period; a charging-discharging threshold calculation module outputs a charging threshold value Uchar and a discharging threshold value Udis in real time based on the super capacitor module group terminal voltage Usc within each control period; and according to a relation between the charging threshold value, the discharging threshold value, and the direct-current power supply network voltage Udc, a current control period of an urban rail super capacitor storage system is determined to be in a charging state, discharging state or a standby state. According to the energy control method provided by the invention, multiple sets of urban rail super capacitor storage systems can work in a coordinated mode and thus the urban rail super capacitor storage systems can absorb brake energy of the train fully and effectively, thereby improving the energy utilization efficiency of the urban rail power supply system. Moreover, fluctuation of the direct-current side voltage of the power supply system can be inhibited.

The invention provides a method for increasing the concentration of a gas easy to adsorb by using a pressure swing adsorption method. The method comprises the following steps: (1) feeding a raw material gas into a first adsorption tower, and performing adsorption operation till an adsorbent is saturated; (2) performing pressure equalizing operation on a first adsorption tower after adsorption; (3)introducing a product gas into an unadsorbed gas for exchange, and blowing an exchanged gas into other adsorption towers; (4) performing pressure equalizing operation on the first adsorption tower after exchange for a second time; (5) performing vacuum desorption on the first adsorption tower so as to obtain a product gas; (6) pressurizing the first adsorption tower after desorption. Through theprocedures, multiple adsorption towers cooperate to achieve concentration increase of the gas easy to adsorb, particularly the product gas is adopted as an exchange gas, the exchanged gas is fed intoother adsorption towers, and pressure equalizing operation is implemented after exchange, so that not only is the exchange effect improved, but also the concentration and the recycling rate of a component easy to adsorb can be increased.

The present invention discloses a communication method between lover cell phones. The steps are: a communicated number is set in the lover cell phones. The connection between the lover cell phones is established by communicating the numbers of each other. The information is exchanged between the lover cell phones. With the present invention, short messages can be mutually sent between two bare cell phones; so the mutually cooperation between the lover cell phones in function is realized. After a user inserting an SIM card, the lover cell phone can dial external phones again, and the normal functions of the lover cell phones are restored.

The invention discloses a self-adaptive 100 Hz protecting criterion method for an AC/DC power transmission system, which comprises the following steps: 1), analyzing parameters of the AC/DC power transmission system, and computing Kset corresponding to the AC/DC power transmission system; 2), obtaining valve side three-phase current and a DC side electric current sampling value of various six-pulsation current converter of a converter station through a current transformer, and obtaining K after data processing; 3), comparing the K and the Kset; judging a valve fault occurs if the K is larger than the Kset, and judging an AC system asymmetric fault occurs if the K is smaller than the Kset. According to the invention, based on the difference of current breaker function power frequency negative sequence component amplitude ratio of the current converter in the two kinds of fault situations, the AC system asymmetric fault and the converter valve fault can be identified through the self-adaptive protecting criterion, so as to adopt different action schemes according to the different requirements for DC 100 Hz protection of the two kinds of faults, realize the mutual protection coordination of the AC/DC power transmission system, and further protect the safety of the equipment and power grid when a fault occurs.

The invention relates to the field of tool accessories, in particular to an integrated worktable. The integrated worktable comprises worktable supporting frames and a worktable top, wherein the worktable supporting frames are located on the two sides of the worktable top and are connected through a connecting rod, the connecting rod penetrates through the horizontal direction of the worktable top, an adjustment rod is arranged in the center of each worktable supporting frame and is parallel with the axial direction of the worktable supporting frame, a universal idler wheel is arranged at the bottom end of each adjustment rod, and when the universal idler wheels are adjusted to the lowest positions, the lower surface of the worktable top and the centers of the universal idler wheels are located on the same horizontal height. The integrated worktable realizes mutual matching of linear movement and rotation in a plane, is fixed stably when not needing movement, and is practical.

The invention discloses a vehicle energy integrated management method based on a 48V mild hybrid system, and relates to the field of mild hybrid automobile system management. The technical problems that each system on a mild hybrid automobile works independently, so that the performance of a single system is limited, and the energy utilization rate is relatively low is solved. The method comprisesthe step of enabling an engine, the 48V mild hybrid system, a waste heat recovery system and an air conditioning system to work independently or cooperatively according to the running state of the automobile. The invention further discloses a vehicle energy integrated management system based on the 48V mild hybrid system. The mutual cooperative work of the systems is realized, the existing resources of the systems are fully utilized, the waste heat energy utilization efficiency of the engine is greatly improved, and the purpose of further reducing the oil consumption of the automobile is achieved.

The invention provides a utility insulation board, comprising a board body. The board body comprises a plaster board layer, a foamed polyurethane insulation board layer and a foamed cement board layer. A connecting board is mounted on one side of the insulation board body. An insert board is mounted on one side, far away from the insulation board body, of the connecting board; one side, far away from the connecting board, of the insulation board body is provided with a receiving groove; the receiving groove fits the connecting board and the insert board; a positioning device is disposed on one side of the receiving groove inside the insulation board body; the positioning device comprises a roller, a connecting cord and a positioning bar; the roller is partially located in the receiving groove; the positioning bar is movably mounted in the insert board and is partially movable in the receiving groove; the roller is connected with the positioning bar through the connecting cord; the insert board is provided with a fastening groove corresponding to the positioning bar. A distance between two adjacent insulation boards can be effectively controlled, and dropping rarely occurs even when part of the insulation boards are contacted with a wall under poor tightness.

A conventional voice communication method is a currently used telephone communication method in which a user performs simple voice communication with a counterpart by pressing a call button after inputting the counterpart's telephone number. Furthermore, to use supplementary voice communication services, users must know respect methods of use, so that they are inconvenient to use. The present invention relates to a method and apparatus for constructing a unified channel for various types of communication in a wireless communication network. In particular, the present invention relates to a method and apparatus in which a user can conveniently use unified communication through the provision of a screen for an unified communication service using a WINC method in which a counterpart's telephone number and a wireless Internet access key are pressed using a mobile terminal. In accordance with the present invention, a variety of methods, in which a call to a counterpart is easily made using a voice supplementary service by pressing only the counterpart's telephone number and a wireless Internet access key, can be selected.

The invention discloses an intelligent sprinkler. The intelligent sprinkler comprises a sprinkler head and a sprinkler base. The sprinkler base is fixed to an outer bathroom wall. The sprinkler head is detachably connected with the sprinkler base and comprises a head portion and a handle. One end of the handle is connected with an outer water heater, and the other end of the handle is connected with the head portion. One side of the head portion communicates with and is fixedly connected with a hollow connecting rod. A telescopic sliding groove is formed in the handle. The end, penetrating into the handle, of the connecting rod extends into the telescopic sliding groove, slides in the telescopic sliding groove, and is connected with the outer water heater through the handle in a communicating mode. A positioning assembly for positioning the connecting rod is arranged in the telescopic sliding groove. According to the intelligent sprinkler, through the arrangement of the handle, the connecting rod and the telescopic sliding groove, rapid switching between a common sprinkler and a top-spraying sprinkler is realized effectively, an additional downward sprinkler head is not needed, andthe cost of the sprinkler is lowered.

The invention discloses a skin flap traction device for breast surgery. The skin flap traction device comprises a T-shaped supporting plate, a clamping unit and a clamping power unit. The right end of the upper side of the T-shaped supporting plate is connected with the left end of the universal arm; the clamping unit comprises a clamping box, a middle hole plate, a sliding transverse column, pulling short rods, a clamping hand rotating shaft and a clamping rod, the right end of the universal arm is connected with the left end of the clamping box, the middle hole plate is installed in the middle of the interior of the clamping box, the sliding transverse column is slidably connected to the center of the middle hole plate, and the left ends of the two pulling short rods are movably connected to the right end of the sliding transverse column through the short rod rotating shaft; according to the skin flap traction device for the mammary gland operation, a mammary gland skin flap can be well clamped, the position of the mammary gland skin flap can be stably fixed, and the skin flap traction device for the mammary gland operation can well assist a doctor in the operation.

The invention provides a voice recognition method and device, electronic equipment and a readable storage medium, and relates to the technical field of deep learning and voice processing. The voice recognition method comprises the steps of acquiring network data during data transmission between terminal equipment and a server; obtaining at least one network feature according to the network data; inputting the at least one network feature into a pre-trained prediction model to obtain a prediction result output by the prediction model; and when it is determined that the prediction result meets a preset requirement, switching the recognition mode of the terminal device to offline recognition so as to perform voice recognition. According to the invention, the accuracy of switching the recognition modes when the terminal device carries out voice recognition can be improved.

The invention relates to the technical field of building materials, in particular to concrete for thermal damage tunnels. The concrete comprises the following raw materials by weight: 250-340kg/m<3> of anti-crack self-repairing cement; 30-120 kg/m<3> of mineral powder; 20-50kg/m<3> of silica fume; 10-45 kg/m<3> of fly ash floating beads; 35-140kg/m<3> of light ceramsite; 2-5 kg/m<3> of a water-retaining agent; and 3.1-3.4 kg/m<3> of a water reducing agent. The anti-crack self-repairing cement is prepared from 90-95% of anti-crack self-repairing cement clinker and 5-10% of dihydrate gypsum. The anti-cracking self-repairing cement clinker is prepared from 4-8% of periclase and 1-5% of gamma-C2S, and the periclase with the size of 3-5 microns accounts for 0.4-1.2%. The concrete can effectively solve the problem of structural damage of lining concrete in the early stage, can reduce the width of cracks in the later stage, has a heat preservation and insulation function, and can reduce the temperature of the operation environment to a certain extent.