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291results about How to "Simple technical implementation" patented technology

Detection device and method for three-dimensional temperature field in combustion chamber of single-CCD imaging system

The invention relates to a detection device for a three-dimensional temperature field in a combustion chamber of a single-CCD imaging system. The detection device comprises a high-temperature and high-pressure resistant water cooling jacket, an endoscope, a color industrial plane array CCD camera and a data acquisition and analysis unit, wherein the water cooling jacket is used for forming an embedded type protective housing in equipment, the light path of the endoscope is cooled through a water coil and the blowing of an inert gas, and a pressure resistant lens at the front end the jacket is protected so as to maintain the normal operation of the endoscope; the endoscope is used for leading radiating images out of a high-temperature and high-pressure furnace through the light path; the color industrial plane array CCD camera is used for imaging the radiating images of visible light wave band; and the data acquisition and analysis unit is used for acquiring the radiating images of different focal planes and measuring the three-dimensional temperature field by an optical stratified imaging method and a colorimetric temperature measurement method. The invention also relates to a detection method for the three-dimensional temperature field. Due to the adoption of the technical scheme, the three-dimensional temperature field detection on the baisi of the single-CCD camera can be realized, the technical scheme is realized simply, and the device and the method can be applied to harsh environments, such as high temperature, high pressure and the like, and are easy to popularize in the industrial production field.
Owner:EAST CHINA UNIV OF SCI & TECH

Uplink control channel resource distribution method and device

The invention discloses an uplink control channel resource distribution method and device. The method comprises the following steps of: establishing a physical uplink control channel (PUCCH) resource table corresponding to uplink control information, wherein a time domain index of a PUCCH resource is set to be the minimum common multiples of various PUCCH repeated cycles supported by the PUCCH resource for transmitting the corresponding uplink control information; and during distribution of the PUCCH resource, finding out an available resource according to the resource table and the PUCCH repeated cycle of a current terminal, finding out an available resource within a range according to the resource table and a smaller PUCCH repeated cycle, and distributing the PUCCH resource to the current terminal according to the search results. Therefore, when the PUCCH resource is distributed to the terminal, the PUCCH repeated cycle of the terminal is considered, and the smaller PUCCH repeated cycle is also considered; under the condition that the uplink control channel resources in different cycles coexist, the transmission requirement of the current terminal can be met and the utilization rate of the uplink control channel resources is increased; and meanwhile, the resources can be selected according to the resource table designed by the embodiment of the invention, so the technology implementation is simplified.
Owner:DATANG MOBILE COMM EQUIP CO LTD

High-speed railway electric energy quality and traction network voltage comprehensive compensation system

ActiveCN103928928ACompensation for load harmonic currentReduce negative sequence shockAc network voltage adjustmentReactive power compensationPower qualityTerminal voltage
The invention provides a high-speed railway electric energy quality and traction network voltage comprehensive compensation system. The comprehensive compensation system comprises a single-phase back-to-back STATCOM installed on the traction side of a traction substation and thyristor switched high-pass filters installed in section posts. The single-phase back-to-back STATCOM is used for negative sequence compensation, lower-order harmonic filtration within the range of 2-11 order and power factor and traction network bus voltage control. The thyristor switched high-pass filters are used for absorbing high-order harmonic with the order of 11 or above and stabilizing the traction network terminal voltage. The single-phase back-to-back STATCOM can detect the power factor of the traction substation in real time, carry out dynamic stepless regulation on reactive output and maintain the power factor of the system to be 0.9 or above. The thyristor switched high-pass filters arranged in the section posts are used for absorbing harmonic currents with the order of 11 or above and improving the traction network voltage. The whole high-speed railway electric energy quality and traction network voltage comprehensive compensation system has the advantages of being small in occupies area, low in operation loss, low in construction cost, high in reliability, simple in technology implementation, prominent in comprehensive benefit and the like.
Owner:STATE GRID CORP OF CHINA +1

Locating terminal, system and method for realizing locating service by using same

The invention discloses a locating terminal, a system and a method for realizing locating service by using the same. The locating terminal comprises a wireless communication module, a master control board set, an authentication module, a power module and an antenna, wherein, the power module is used for supplying power for the wireless communication module and the master control board set; the authentication module is used for interacting with external through the wireless communication module and the antenna for registering and authenticating, and is connected with communication websites; thewireless communication module is used for being connected with the communication network and acquiring code information of the current base station to which the locating terminal belongs under the control of the master control board set; the master control board set is used for controlling the authentication module to interact with external through the wireless communication module and the antenna for registering and authenticating, and notifying the wireless communication module to acquire code information of the current base station to which the locating terminal belongs; and the code information of the current base station to which the locating terminal belongs is sent out through the wireless communication module and the antenna.
Owner:MEIZIJING NETWORK TECH BEIJING

Separable self-drilling embedment anchor

ActiveCN102602506AIncrease the buried depthIncrease anchoring forceAnchorsPropellerCatapult
A separable self-drilling embedment anchor belongs to the technical field of water conservancy and ship ocean engineering, and comprises an anchor body with an internal hollow cavity, a propeller and a separating component, wherein the propeller is used for providing power to lead the anchor body to be automatically drilled into and embedded into the soil, and the separating component arranged on the propeller is used for connection and disconnection of the propeller with the anchor body. Connection and disconnection of the anchor body with the propeller are completed by the separating component. The anchor body can be embedded into the soil under the action of exciting force of the propeller and gravity, and when the anchor body is embedded with a certain depth, a catapult is started to generate jet impact to push the propeller out of the anchor body, the anchor body is embedded into a deeper position of a bed material, peripheral liquefied bed materials backfill the hollow cavity of the anchor body to enhance the anchoring force, and embedment of the anchor body and recovery of the propeller are finally completed. Therefore, the embedment depth and the anchoring force of the dynamic anchor are increased, operating efficiency is improved, and technological implementation is simple. The separable self-drilling embedment anchor is low in construction cost as the propeller can be recovered and reused, and is low in manufacture cost as the hollow cavity designed in the anchor body can be used for backfilling the bed materials.
Owner:SHANGHAI JIAO TONG UNIV

System for removing corrosive substances in coal gas obtained by dry dedusting of blast furnace and process thereof

The invention discloses a system for removing corrosive substances in coal gas obtained by dry dedusting of a blast furnace and a process thereof, which belong to the technical field of blast-furnace dedusting. The system comprises a NaOH alkaline solution preparation and spraying system, a softened water assisted alkaline solution spraying system, a circulating water system, a reuse water supplementing and spraying system, a cleaning tower and a cleaning tower packing layer. An outlet pipe of an alkaline solution metering pump in the NaOH alkaline solution preparation and spraying system is connected with an outlet pipe of a softening water pump in the softened water assisted alkaline solution spraying system, pressurized alkaline solution is pumped into pressurized softened water, and the mixture is conveyed into the cleaning tower through a pipeline and is sprayed into the cleaning tower on a common nozzle of the alkaline solution and the softened water. The system and the process have the advantages that the system and the process can successfully remove an acid substance NH4CL with extremely strong corrosiveness in the coal gas, improve the PH value of condensed water of the coal gas, reduce the salt content and electrical conductivity of the condensed water of the coal gas, greatly delay the corrosion rate of coal gas transmission pipeline networks and coal gas user facilities, and guarantee the safe operation of steel production.
Owner:BEIJING SHOUGANG CO LTD

Solid-liquid combined target-based extreme ultraviolet source generator and light source system

The invention discloses an extreme ultraviolet source generator which comprises a focusing lens, a motor, a bearing, a temperature controller, a liquid target, a container and a solid target, wherein the solid target is arranged on the focal plane of the focusing lens; the liquid target is arranged in the container; the container is arranged under the solid target; part of the solid target is soaked into the liquid target; the temperature controller is used for heating the liquid target in the container so as to maintain the liquid target to be in a liquid state; the bearing is arranged in the center of the solid target; the motor is connected with the bearing; the motor is used for driving the solid target to rotate around the bearing; the solid target is stuck on the liquid target when rotating; and during work, the liquid target stuck above the solid target is bombed by laser beams which are focused by the focusing lens, plasma is produced by the interaction between the laser and the liquid target, and the extreme ultraviolet (EUV) can be emitted by the plasma. The generator and the light source system can be used for greatly eliminating the pollution of scrap to a reflecting mirror and other optical elements and improving the stability of the produced EUV, and are low in cost and easy in technology implementation.
Owner:HUAZHONG UNIV OF SCI & TECH

Automatic pressure soybean milk machine and method for producing soybean milk

The invention provides an automatic pressure soybean milk machine, and belongs to the technical field of household food cuisine. The machine comprises a machine seat provided inside with a driving motor supplying power, blades arranged at the tail end of a driving shaft of the motor, a cup body, a cup cover arranged above the cup body, a heating element, a temperature detecting device and a circuit board of a control circuit; the cup cover and the mouth of the cup body are provided with sealing elements; under the state of closed cover, a sealed cavity is formed in the cup body, the continuous rise of pressure in the sealed cavity is allowed after heating, and a pressure relief device is also arranged; and air can be discharged by the pressure relief valve when the pressure in the cup body is higher than the preset pressure P0. The temperature for cooking the soybean milk can reach more than 106 DEG C; when the soybean milk is continuously cooked in the sealed cavity, the overflow phenomenon cannot happen so as to shorten the process of cooling the soybean milk and saving time; moreover, the cooked soybean milk is fully emulsified and well cooked; and due to the continuous and quick heating, the loss of the nutrient contents in the food is inhibited in the heating process, so that the cooked soybean milk is fragrant and pure, and tastes good.
Owner:ZHEJIANG SUPOR ELECTRICAL APPLIANCES MFG CO LTD
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