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    • 2. 发明专利
    • Eutrophication prevention method for water storage area
    • 水储存区域防护方法
    • JP2013141647A
    • 2013-07-22
    • JP2012003432
    • 2012-01-11
    • Chugoku Electric Power Co Inc:The中国電力株式会社
    • KAWACHI YUICHIOKADA HIDEKI
    • C02F1/00E02B7/00
    • PROBLEM TO BE SOLVED: To prevent the eutrophication of a water storage area by the flowing-in of water containing nutrient salt.SOLUTION: By pumping up water of the water storage area 1 wherein a water temperature differs from inflow water 3 and mixing the inflow water 3 containing the nutrient salt 5 flowing in the water storage area 1 with the water of the water storage area 1, the height of a layer in the water storage area 1 of the inflow water 3 is adjusted, and the height of the layer in the water storage area 1 of the inflow water 3 is brought into line with the height of a discharge port 6. For example, when the water temperature of the inflow water 3 is Tin, when the inflow amount of the inflow water 3 to the water storage area 1 is Qin, when a water temperature near the discharge port 6 is To, and when a water temperature near a surface layer part of the water storage area 1 is Ts, the inflow water 3 is mixed with water near the surface layer part of the water storage area 1 such that the supply amount Qs thereof becomes (To-Tin)/(Ts-To)×Qin.
    • 要解决的问题:通过流入含营养盐的水来防止储水区域的富营养化。解决方案:通过抽水储存区域1的水,其中水温与流入水3不同,并将流入 将含有在储水区域1中的营养盐5的水3与储水区域1的水进行调节,调节流入水3的储水区域1的高度, 流入水3的蓄水区域1与排出口6的高度一致。例如,当流入水3的水温为Tin时,当流入水3流入水的流入量 存储区域1为Qin时,在排出口6附近的水温为To时,当储水区域1的表层部附近的水温为Ts时,流入水3与表层部附近的水 的储水区1 使得其供给量Qs变为(To-Tin)/(Ts-To)×Qin。
    • 3. 发明专利
    • Water intake and discharge equipment
    • 饮水和排放设备
    • JP2011140815A
    • 2011-07-21
    • JP2010002338
    • 2010-01-07
    • Chugoku Electric Power Co Inc:The中国電力株式会社
    • KAWAKAMI MAYUKAKAWACHI YUICHIKANDA KAZUNORIYAMADA KYOHEI
    • E02B3/02
    • PROBLEM TO BE SOLVED: To provide water intake and discharge equipment which discharges water, taken into a water intake channel from the outside, to the outside via a water discharge channel communicating with the water intake channel, and which rapidly damps surging even when an area of a free water surface of a surge tank is small.
      SOLUTION: In this water intake and discharge equipment 1, the water intake channel 2 takes the water from the sea, and leads the water to a water intake tank 3. The water of the water intake channel 2 is stored in the water intake tank 3. The surge tank ST is provided on the water intake channel 2 and the water intake tank 3, and the surging is damped by the free water surface. An intake pipe 4 leads the water to a condenser 5 from the water intake tank 3. The condenser 5 cools water vapor after work is taken out in a turbine etc. by cooling water of the intake pipe 4, and discharges the warmed water to a water discharge pipe 6. The water discharge pipe 6 leads the water to a water discharge tank 7 from the condenser 5. In the water discharge tank 7, the water for being discharged to the sea is stored. A water discharge channel 8 makes the water of the water discharge tank 7 flow out to the sea. A surplus water channel 9 communicates a predetermined height position of the surge tank ST with the water discharge tank 7, and discharges the water, running over the predetermined height position in the surge tank ST, into the water discharge tank 7.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供排水的排水设备,其通过与进水通道连通的排水通道从外部进入进水通道到外部,并且甚至可以迅速地减小喘振 当缓冲罐的自由水面的面积小时。

      解决方案:在这个进水和排水设备1中,进水通道2从海中取水,并将水引导到进水罐3.进水通道2的水储存在水中 进气罐3.缓冲箱ST设置在进水通道2和进水箱3上,浪涌被自由水面阻尼。 进气管4将水从进水箱3引导到冷凝器5.冷凝器5通过进气管4的冷却水将工作中的水蒸汽在涡轮机等中取出后冷却水蒸气,并将温水排出到 排水管6.排水管6将水从冷凝器5引导到排水槽7.在排水槽7中,储存排出大海的水。 排水通道8使排水槽7的水流出大海。 多余的水通道9将缓冲罐ST的预定高度位置与排水槽7连通,并将在调压箱ST中的预定高度位置上行驶的水排出到排水槽7中。 :(C)2011,JPO&INPIT

    • 4. 发明专利
    • Energy dissipation works of spillway water flow and energy dissipation method
    • 泄漏水流量和能量消耗方法的能源消耗工作
    • JP2007177395A
    • 2007-07-12
    • JP2005373558
    • 2005-12-26
    • Chugoku Electric Power Co Inc:The中国電力株式会社
    • SUETSUGU HIROMICHIMARUI KENJISEIKI SHOHEIOMURA TAKESHIKAWACHI YUICHI
    • E02B9/04
    • Y02E10/22
    • PROBLEM TO BE SOLVED: To provide energy dissipation works capable of making energy dissipation of also force of a very fast-flowing water without making any shaft or any height difference between a spillway and a flood way.
      SOLUTION: The energy dissipation works are installed in a cylindrical flood way 1 having a flood way floor surface 1a to which the flood way 2 making inflow of flowing water is connected and a flood way ceiling surface 1b, and it is equipped with a lower sill 3 installed in the flood way floor surface 1a on a down-stream side lower than a part to which the spillway 2 is connected and an upper sill 4 installed in the flood way ceiling surface 1b in a pushed up domain 10 within a range reaching the flowing water clashing with the lower sill 3 to the flood way ceiling surface 1b.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供能够消耗非常快速流动的水的能量的能量消耗工作,而不会产生任何轴或溢洪道和洪水之间的任何高度差。 解决方案:能量耗散工作安装在圆柱形洪水方式1中,其具有连接流水的洪水方式2的洪水路面1a和洪水方式天花板表面1b,并且配备有 安装在洪水方式地板表面1a上的下框架3,其下游侧低于溢流道2所连接的部分,并且在底板4内的上推区域10中安装有下纵梁4, 范围到达流水与下槛3碰撞到洪水方式天花板表面1b。 版权所有(C)2007,JPO&INPIT
    • 5. 发明专利
    • Flow measuring device and flow measuring system
    • 流量测量装置和流量测量系统
    • JP2006201113A
    • 2006-08-03
    • JP2005015315
    • 2005-01-24
    • Chugoku Electric Power Co Inc:The中国電力株式会社
    • KAWACHI YUICHI
    • G01F1/00
    • Y02A90/32
    • PROBLEM TO BE SOLVED: To measure the flow of liquid flowing in the liver etc., in a non-contact state.
      SOLUTION: The flow meter is constituted such that air bubbles generated at a part of the flow of the river etc. , (step 10 of a flow e. g. dam, weir, etc., a branching part or a merging part etc.,) are taken by the imaging means 2 as image information, which is transferred to the control means 5 by wireless or wired connection, and processed by the control means 5, and compared with the regulation value previously stored in the control means 5 then output as the flow of the fluid. Since the flow can be measured in a non-contact state, a fixed performance level can be obtained over a long period with a state of maintenance free. Since piping for guiding the flow of the fluid is not necessary, a commercial digital camera etc. can be used as the imaging means 2, and a commercial personal computer etc., can be used as the control means 5. Consequently, installation cost can be lowered to a reasonable price and running cost can be reduced.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:以非接触状态测量在肝脏等中流动的液体的流动。

      解决方案:流量计构成为在河流等的一部分产生气泡(例如坝,堰等的流动步骤10,分支部或合流部等) ,)作为图像信息作为图像信息,通过无线或有线连接传送到控制装置5,由控制装置5处理,并与先前存储在控制装置5中的调节值进行比较,然后输出 作为流体的流动。 由于可以在非接触状态下测量流量,所以可以在无维护状态的长时间内获得固定的性能水平。 由于不需要用于引导流体流动的管道,因此可以使用商用数码相机等作为成像装置2,并且商业个人计算机等可以用作控制装置5.因此,安装成本可以 降低到合理的价格,运行成本可以降低。 版权所有(C)2006,JPO&NCIPI

    • 6. 发明专利
    • Sand pumping apparatus for hydraulic power plant
    • 液压动力装置用砂泵装置
    • JP2005146603A
    • 2005-06-09
    • JP2003384000
    • 2003-11-13
    • 治 ▲檜▼谷Chugoku Electric Power Co Inc:TheOsamu Hitani中国電力株式会社
    • IMAOKA YASUNORIKAWACHI YUICHIASAHI HIROSHIHITANI OSAMU
    • E02B9/04
    • Y02E10/22
    • PROBLEM TO BE SOLVED: To provide a sand pumping apparatus for a hydraulic power plant avoiding blocking of an intake and a water conveyance port with silted deposition in a sand pumping facility combining an air mixing type jet pump with a vortex sand discharge pipe.
      SOLUTION: In this sand pumping apparatus for a hydraulic power plant for eliminating the silted deposition deposited in an intake sand basin, a first and a fourth vortex sand discharge pipes 21, 24 are installed in a position of a distance d1 expressed in the following expression, along a water flow direction from a position when the silted deposition of maximum allowable height of the intake side wall of the intake sand basin is deposited: d1=(H1-h1)/tan(θ), wherein H1 is the maximum allowable height of the silted deposition from a bottom part of the intake sand basin on the intake side of the intake sand basin, h1 is the slit height of the vortex sand discharge pipes 21, 24 on the first and fourth intake side from the bottom part of the intake sand basin, and θ is an underwater angle of repose.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:为了提供一种用于液压动力装置的砂泵装置,避免了将砂浆沉积物中的进气口和输水口堵塞在一起,该抽沙设备将空气混合型喷射泵与涡流喷砂管 。 解决方案:在用于消除沉积在进气砂盆中的淤泥沉积物的用于液压动力设备的这种砂泵装置中,第一和第四涡流排出管21,24安装在距离d1 从沉积入口砂盆的进气侧壁的最大允许高度的淤泥沉积的位置沿着水流方向的以下表达式:d1 =(H1-h1)/ tan(θ),其中H1是 进气砂流入口侧的进气砂槽底部的沉淀物的最大容许高度h1是从底部开始的第一和第四进气侧的涡流砂排出管21,24的切口高度 进水砂盆的一部分,θ是水下的休止角。 版权所有(C)2005,JPO&NCIPI
    • 7. 发明专利
    • Dam downstream structure
    • DAM下游结构
    • JP2014152523A
    • 2014-08-25
    • JP2013023045
    • 2013-02-08
    • Chugoku Electric Power Co Inc:The中国電力株式会社
    • KAWACHI YUICHI
    • E02B7/00E02B8/02
    • PROBLEM TO BE SOLVED: To provide a dam downstream structure capable of easily recovering and treating sediment accumulated in a dam upstream side and being installed without being influenced by the scale of the dam and an environment surrounding the dam.SOLUTION: A dam downstream structure 1, which recovers and treats sediment 15 flowing down from an upstream of the dam 2 and accumulated on the bottom of the upstream of the dam, comprises: an excavated part 8 provided in a water bottom 4 of a river 3 on the downstream side of the dam 2, and formed deeper than the water bottom 4; a cover 12 detachably installed on an opening 8a of the excavated part 8; and a sediment introduction passage 6 connecting between the bottom part of the upstream of the dam 2 and the excavated part 8.
    • 要解决的问题:提供一种大坝下游结构,能够容易地回收和处理大坝上游侧积聚的沉积物,并且不受坝的规模和坝周围的环境的影响而安装。解决方案:坝下游结构1 其中,回收和处理从坝2的上游流下并累积在坝上游的底部的沉积物15,包括:设在河3的下游侧的水底4的挖掘部分8 坝2,并形成深于水底4; 可拆卸地安装在挖掘部分8的开口8a上的盖12; 以及连接在坝2的上游的底部与挖掘部分8之间的沉淀物引入通道6。
    • 8. 发明专利
    • Method for designing sand collection gate of sand sedimentation basin
    • 砂土采收门的设计方法
    • JP2012101166A
    • 2012-05-31
    • JP2010251115
    • 2010-11-09
    • Chugoku Electric Power Co Inc:The中国電力株式会社
    • KAWACHI YUICHI
    • B01D21/24E02B8/02
    • PROBLEM TO BE SOLVED: To provide a skill for designing the sand collection gate of a sand sedimentation basin in consideration of movement of deposited sand in a flow of a moderate rate.SOLUTION: In a method for designing the sand collection gate of the sand sedimentation basin, following five processes are carried out; a process for calculating a flowing out coefficient by assuming an opening degree which is a distance between a sand collection gate lower end and a sand sedimentation basin bottom and water depth at an upper stream side than the sand collection gate, a process for specifying the opening degree satisfying a formula of submerged flowing out by applying the assumed opening degree, assumed water depth at the upper stream side, the calculated flowing out coefficient and a contraction coefficient which is a constant to the formula of submerged flowing out, a process for calculating a flow rate and a hydraulic radius at a downstream side than the sand collection gate based on the specified opening degree, a process for calculating friction velocity by applying the calculated flow rate and the calculated hydraulic radius at the downstream side and a predetermined roughness coefficient to a Manning formula and calculating a non-dimensional tractive force based on the friction velocity, particle size and specific gravity of the sand to be removed, and a process for determining whether a sand moving form at the sand collection gate downstream is traction sand or not based on the sand particle size and the calculated non-dimensional tractive force and when the sand moving form is traction sand, the opening degree of the sand collection gate is determined to be the specified opening degree.
    • 要解决的问题:考虑到以适度的流量流动的沉积砂的运动,提供了一种设计砂沉降池的砂料收集门的技能。 解决方案:在沉砂池砂砂设计方案中,进行了以下五个工序: 通过假设开采度来计算流出系数的处理,该开度是砂收集门下端和砂沉降池底部之间的距离以及比砂收集门上游侧的水深;指定开口的过程 通过应用假定开度,假设上游侧的水深,计算出的流出系数和与浸没流出的公式成为常数的收缩系数来满足淹没流出的公式的程度,计算 流量和基于指定开度的集砂门下游侧的液压半径,通过将计算出的流量和计算出的下游侧的液压半径计算出摩擦速度的方法以及预定的粗糙度系数到 基于摩擦速度计算公式并计算无量纲牵引力 e要除去的砂的尺寸和比重,以及基于砂粒尺寸和计算的无量纲牵引力来确定在下游的砂料收集门处的砂移动形式是否是牵引砂的过程,以及何时 砂移动形式是牵引砂,采砂门的开度确定为规定的开度。 版权所有(C)2012,JPO&INPIT
    • 9. 发明专利
    • Water intake structure and method of water intake
    • 饮水结构和水分摄入方法
    • JP2011140814A
    • 2011-07-21
    • JP2010002337
    • 2010-01-07
    • Chugoku Electric Power Co Inc:The中国電力株式会社
    • KAWACHI YUICHIKAWAKAMI MAYUKA
    • E02B9/04
    • Y02E10/22
    • PROBLEM TO BE SOLVED: To intake water without waste by an amount required for hydraulic power generation without deviating from the intake amount regulated by the laws on rivers.
      SOLUTION: This water intake structure 1 for taking in the water used for hydraulic power generation includes a first water channel 201 to which the water discharged from a water discharge port 101 provided to a water storage tank 100 in which the water from a river and the like is stored falls and which guides the fallen water to a hydraulic power generation facility and a second water channel 202 which is located at a position horizontally away further from the water discharge port 101 than the first water channel 201 to which the water discharged from the water discharge port 101 falls and which is positioned in parallel with the first water channel 201. More desirably, when the amount of water taken from the first water channel 201 is smaller than the target intake amount required for hydraulic power generation, the first water channel 201 and the second water channel 202 are configured so that the water discharged from the water discharge port 101 falls only to the first water channel 201, and when the amount of water taken from the first water channel 201 is equal to or larger than the target intake amount, these channels are configured so that extra water falls to the second water channel 202.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:在没有偏离河流法律规定的摄入量的情况下,不用浪费水量发电所需的量。 解决方案:用于摄取用于水力发电的水的吸水结构1包括:第一水通道201,从设置于储水箱100的排水口101排出的水从第一水通道201流入, 河流等被储存在瀑布上,并且将下落的水引导到水力发电设备和第二水道202,第二水道202位于比排水口101水平远离水排出口101的位置,该第二水通道202比水 从排水口101排出并与第一水路201平行地设置。更优选地,当从第一水路201获取的水量小于液压发电所需的目标摄入量时, 第一水通道201和第二水通道202被构造成使得从排水口101排出的水仅落到第一水c 通道201,并且当从第一水通道201获取的水量等于或大于目标进入量时,这些通道被配置为使得额外的水落到第二水通道202上。版权所有:(C )2011,JPO&INPIT
    • 10. 发明专利
    • Laid sand quantity determination support method and laid sand quantity determination support device
    • LAID SAND数量确定支持方法和LAID SAND数量确定支持设备
    • JP2010097276A
    • 2010-04-30
    • JP2008265474
    • 2008-10-14
    • Chugoku Electric Power Co Inc:The中国電力株式会社
    • KAWACHI YUICHITSUKUBA MUTSUNOBU
    • E02B7/20G06F19/00G06Q50/00G06Q50/06G06Q50/26
    • Y02A10/46
    • PROBLEM TO BE SOLVED: To determine proper laid sand quantity in the dam of a hydroelectric power station. SOLUTION: A laid sand quantity determination support device 1 obtains terrain conditions and a flood pattern including laid sand quantity (S201, S202), and initially sets a time t (S203), and obtains a flow rate Q n-1 in a time t-Δt from a flood pattern (S204), and obtains a cross-section A n and the depth of water h of running water at each position x in a time t by the continuous expression of a law of conservation of mass (S205), and obtains a flow rate Q and a flow speed u of running water at each position x in the time t by the equation of motion of a law of conservation of a momentum (S206), and calculates moving quantity q si of earth and sand at each position x in the time t from the flow speed u and a particle diameter d (S207), and calculates bed height H at each position x in a time t+Δt from the moving quantity q si (S208), and updates the time t (S209), and when a time is not after the end time of flood (S210: N), returns to S204, and when a time is after the end time (S210: Y), displays the distribution of the bed height at a display part 12 (S211). COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:确定水电站坝址正确铺设的沙量。 解决方案:铺设的砂量确定支持装置1获得包括铺设砂量的地形条件和洪水模式(S201,S202),并且初始设定时间t(S203),并且获得流量Q n -1(< SP>),并且获得横截面积A n ,并且获得横截面积A< SP> 时间t通过质量守恒定律的持续表达(S205),并且通过保存定律的运动方程获得时间t中每个位置x处的流水的流量Q和流速u 动量(S206),从流速u和粒径d(S207)计算出时刻t的各位置x处的砂土的移动量q si ,并计算床高H 在时刻t(S208)的时间t +Δt的各位置x处(S208),并且更新时间t(S209),并且当时间不在洪水结束时间之后(S210 :N),返回S204,何时 在结束时间之后的时间(S210:Y),在显示部12显示床高的分布(S211)。 版权所有(C)2010,JPO&INPIT