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 discloses a vanadium-containing automobile transmission shaft steel and a production method thereof. The vanadium-containing automobile transmission shaft steel is prepared from the following chemical components by mass percentage: less than or equal to 0.14% of C, less than or equal to 0.40% of Si, 0.80 to 1.40% of Mn, less than or equal to 0.035% of P, less than or equal to 0.025% of S, 0.010 to 0.080% of V, less than or equal to 0.06% of Ti, 0.015 to 0.060% of Als, and the balance of Fe and inevitable impurity elements. The production method comprises the following steps: converter smelting, LF (Ladle Furnace) refining, slab continuous casting, slab heating, high pressure water descaling, controlled rolling and controlled cooling processes. The hot rolled coil produced by the invention is added with a V strengthening element to obtain the vanadium-containing automobile transmission shaft steel plate with high strength and good ductility, 420-580MPa of tensile strength, more than or equal to 360MPa of yield strength, and more than or equal to 26 % of elongation, and the industrial production is realized.

The invention belongs to the field of locomotive brake control and relates to a locomotive brake control system and control method. The locomotive brake control system comprises an average pipe control system and a brake cylinder control system, wherein the average pipe control system can compare the brake cylinder pre-control pressure with the average pipe pre-control pressure, and outputs a large pressure as the average pipe pressure, the brake cylinder control system can compare the brake cylinder pre-control pressure with the average pipe pressure and output large pressure to serve as thebrake cylinder pressure to achieve braking. The locomotive brake control system is advantaged in that redundancy of two control systems can be realized.

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 invention provides a post-treatment system control method and device which are applied to the technical field of automobiles. A post-treatment system comprises a PNA, a first heater arranged at agas inlet of the PNA and a second heater arranged at a gas outlet of the PNA. The method comprises the following steps that characteristic parameters representing the operation condition of the post-treatment system are acquired firstly, if according to the characteristic parameters, it is determined that the post-treatment system is at the operation condition under which exhaust gas temperature of the gas outlet of the PNA needs to be increased, the first heater is controlled to be in a shutdown state, and meanwhile, the second heater is started; and if according to the characteristic parameters, it is determined that the post-treatment system is at the operation condition under which exhaust gas temperature of the gas inlet of the PNA needs to be increased, the first heater is controlledto be in a started state. The heaters are arranged at the gas inlet and the gas outlet of the PNA correspondingly, and the heaters are controlled, so that active control over the working state of thePNA is achieved, the mutual cooperation between the PNA and other post-treatment components in the post-treatment system is achieved, and the treatment effect of NOx gas is improved.

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 relates to bottle blowing machine equipment, in particular to a die opening and closing device for a bottle blowing machine. The die opening and closing device for the bottle blowing machine comprises a die frame, bottle body die devices, die seats, a power device and a bottom film assembly. The bottle body die devices, the die seats and the bottom film assembly are arranged in the die frame. The die opening and closing device further comprises a rotating device controlling the bottle body die devices to be subjected to die opening and die closing. The rotating device comprises a rotating plate, an arc gear, a rotating shaft and a bottom film cam. The arc gear is in an arc shape with sawteeth on the outer side, the outer side of the arc gear is connected with the power device through a gear, and the inner side of the arc gear is fixed to one side of the rotating plate. A center hole is formed in the center position of the rotating plate, the rotating shaft penetrates the center hole to be connected with the bottom film cam, and the rotating plate is further provided with a sliding way controlling the bottle body die devices to transversely move. By means of the die opening and closing device for the bottle blowing machines, the mutually-matched rotating device is used for replacing a traditional connecting rod mechanism, oil does not need to be frequently injected for lubrication, damage of a hinge bearing is avoided, and the maintenance work is more convenient.

The invention discloses a webpage display method, which comprises the following steps: monitoring a loading condition of a home page display area, executing a node insertion measure to obtain a suspension display area, and then executing a suspension item configuration measure in the home page display area; monitoring a control action of a control device in the home page display area, and executing an information windowing measure to obtain a suspended webpage; monitoring the number of the suspended webpages, monitoring the control action of the control equipment in the suspended display area, and then executing an action feedback measure; according to the invention, the suspension display area can be obtained through initialization in different browsers, the click action of the mouse of the user is fed back to the suspension page through different measures, any type of content is displayed in a suspension mode through the suspension page, and the multi-task processing efficiency of the browsers is greatly improved.

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.

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, 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 a high-fluidity high-low-temperature-resistance PC / TPEE alloy material and a preparation method thereof. The alloy material is prepared from, by weight, 40% to 60% of PC, 30% to 50% of TPEE, 1% to 10% of compatilizer, 0.1% to 1% of antioxygen and 0.1% to 1% of processing agent. The compatilizer and the processing agent are utilized for improving the compatibility of PC and TPEE, PC and TPEE are evenly mixed, mutual cooperation is achieved, and the obtained PC / TPEE alloy material is high in impact strength and good in chemical stability and electric performance, has the advantages of being excellent in heat resisting performance and low temperature resisting performance, is ultrahigh in fluidity and easy to form and process, and has high mechanical strength and ageing resisting performance. The material is widely applied to the industry of electronics and automobiles.

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.

The invention discloses a cooling, heating and power integrated energy system considering source-charge-storage and an optimized operation method thereof, and the method comprises the following steps: 1, coupling electricity, gas and heat in an energy hub, and converting the electricity, gas and heat into electricity, cold and heat for users to use; 2, carrying out modeling on units in the energy hub; 3, establishing an objective function and constraint conditions of optimized operation of the cooling, heating and power integrated energy system considering source-charge-storage; and 4, converting inequality constraints into equality constraints, and solving by using an improved branch and bound method to obtain an optimal solution of the target function. According to the invention, the consumption of wind power and photoelectricity can be improved, the mutual cooperation of source-load-storage is realized, the carbon emission of the system is reduced, the operation cost of the system is reduced, the operation of the system is more flexible, and the economic operation and environment-friendly operation of the system are realized.

The invention discloses a pan-tilt control method and device, computer equipment and a storage medium, and the method comprises the steps: collecting the video data, photographed by a target camera, of a target application program in a preset starting state of the target application program through a background; identifying whether a target image exists in the video data or not; and when the target image exists in the video data, controlling a preset rotating shaft group to rotate to track the target image, so that the target image is always located in a view field acquisition range of the target camera. When the target image exists in the shot video, the target image is tracked through the background, mutual cooperation between front-end shooting and rear-end tracking is achieved, and theshooting experience of a user is improved.

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 present invention relates to a precision connecting flange, comprising a first flange, a second flange, a sealing gasket, fastening bolts and nuts, the sealing gasket is arranged between the first flange and the second flange, Corresponding positions of the first flange and the second flange are respectively provided with pipe accommodation holes, and corresponding positions of the first flange and the second flange are respectively provided with fastening through holes, and the fastening bolts are in turn The fastening through holes passing through the first flange and the second flange are threadedly connected with the nuts. The precision connecting flange of the invention has the advantages of smooth surface, low crack rate, good sealing performance, etc., and can meet the requirements of high-precision equipment.

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 relates to bottle blowing machine equipment, in particular to a die opening and closing device for a bottle blowing machine. The die opening and closing device for the bottle blowing machine comprises a die frame, bottle body die devices, die seats, a power device and a bottom film assembly. The bottle body die devices, the die seats and the bottom film assembly are arranged in the die frame. The die opening and closing device further comprises a rotating device controlling the bottle body die devices to be subjected to die opening and die closing. The rotating device comprises a rotating plate, an arc gear, a rotating shaft and a bottom film cam. The arc gear is in an arc shape with sawteeth on the outer side, the outer side of the arc gear is connected with the power device through a gear, and the inner side of the arc gear is fixed to one side of the rotating plate. A center hole is formed in the center position of the rotating plate, the rotating shaft penetrates the center hole to be connected with the bottom film cam, and the rotating plate is further provided with a sliding way controlling the bottle body die devices to transversely move. By means of the die opening and closing device for the bottle blowing machines, the mutually-matched rotating device is used for replacing a traditional connecting rod mechanism, oil does not need to be frequently injected for lubrication, damage of a hinge bearing is avoided, and the maintenance work is more convenient.

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 present application is applicable to the technical field of communication, and provides a network device connection method and a network device. The connection method includes: sending a detection command to a second network device in a preset format, and the detection command includes protocol identification information and The first network address information of the first network device, the detection instruction is used to instruct the second network device to query the second network address information that meets the standard of the detection instruction according to the protocol identification information; receiving the second network The device feeds back the second network address information according to the first network address information, and connects to the second network device according to the second network address information. Through this application, in the case of unknown other network devices, the network address information of other network devices can be obtained only by sending a one-way detection command, so as to realize the convenient connection of these network devices through network applications.

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.

This application belongs to the field of locomotive brake control, and relates to a locomotive brake control system and control method, including an average tube control system and a brake cylinder control system, wherein the average tube control system can compare the brake cylinder pre-control pressure and the average tube control system. Pre-control pressure, and output a larger pressure as the average pipe pressure; the brake cylinder control system can compare the brake cylinder pre-control pressure and the average pipe pressure, and output a larger pressure as the brake cylinder pressure to achieve braking; can achieve Redundancy of two control systems.

The invention relates to an energy control method for an urban rail supercapacitor energy storage system, comprising the following steps: in each control cycle, respectively collecting the DC power supply network voltage Udc and the supercapacitor module terminal voltage Usc, and collecting the output of the supercapacitor module Branch current Isc, in each control cycle, based on the terminal voltage Usc of the supercapacitor module, the charging threshold Uchar and discharging threshold Udis are output in real time by the charging and discharging threshold calculation module; The size relationship between them determines that the current control cycle of the urban rail supercapacitor energy storage system should be in the charging state, discharging state or standby state. The energy control method of the present invention enables multiple sets of urban rail supercapacitor energy storage systems to work in coordination, enables the urban rail supercapacitor energy storage system to fully and effectively absorb the braking energy of the train, and improves the energy utilization efficiency of the urban rail power supply system. And suppress the fluctuation of the DC side voltage of the power supply system.

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.

A long-distance linear distribution system for concrete is provided, comprising: a first distribution machine, which is fixedly arranged on site and includes a rotatable first arm and a second arm; and includes a rotatable third arm rod and a fourth arm rod; and a concrete conveying pipe, including a plurality of sub conveying pipes hinged with each other through joints, the first end of the concrete conveying pipe is connected to the concrete conveying pump, and the second end is connected to the pouring nozzle; Wherein, the plurality of sub-conveying pipes between the uprights of the first distributing machine and the uprights of the second distributing machine can be changed between an extended state and a folded state with the reciprocating running of the second distributing machine. The distribution port can move in a straight line at a constant speed, and the pouring of the components can achieve precise and continuous operation at the same time.