公开(公告)号：US20190086574A1

公开(公告)日：2019-03-21

申请号：US16132505

申请日：2018-09-17

申请人： WUHAN CHANGSHENG MINE SECURITY TECHNOLOGY LIMITED ,  CHINA UNIVERSITY OF MINING AND TECHNOLOGY, BEIJING

发明人： Qiang WU ,  Liu LIU ,  Yifan ZENG ,  Fengjuan TAO ,  Chunsheng LIU

IPC分类号： G01V3/08

摘要： Disclosed is a three-dimensional directional transient electromagnetic advanced detection device, wherein the CPU and the bus communication end of the transient electromagnetic transmitting module are both connected to the system bus, the signal output end of the transient electromagnetic transmitting module is connected to the transient electromagnetic transmitting coil outside the borehole to be detected, the signal input end of the electromagnetic signal receiving module is connected to the signal output ends of the three-dimensional magnetic field sensor and the one-dimensional Z-directional electric field sensor, the signal output end of the electromagnetic signal receiving module is connected to the electromagnetic signal input end of the SCM, the communication end of the first memory is connected to the data storage end of the SCM, the communication end of the three-dimensional electronic compass is connected to the compass signal communication end of the SCM, the host data communication of the SCM is connected to the second optical cable port of the local host through the first optical cable port and the optical cable. The device can detect harmful geological bodies such as aquifer and water-conducting channels and make a intensive and effective detection forecast.

公开(公告)号：US20240141783A1

公开(公告)日：2024-05-02

申请号：US18346104

申请日：2023-06-30

申请人： CHINA UNIVERSITY OF MINING AND TECHNOLOGY, BEIJING

发明人： Yifan ZENG ,  Shihao MENG ,  Qiang WU ,  Lu WANG ,  Shijie TANG ,  Xuedong KAN ,  Chao YU ,  Han BAO

IPC分类号： E21C39/00 ,  E21F16/00

CPC分类号： E21C39/00 ,  E21F16/00

摘要： A tracer diffusion device includes: a first container, for holding a first fluid containing a tracer; a second container, for holding a second fluid; a drilling pipe; wherein, a first end of the drilling pipe is connected to the first container; a second end of the drilling pipe is extended into a borehole; and the second end of the drilling pipe is equipped with a first sealing capsule and a second sealing capsule; a plurality of through holes are arranged on the drilling pipe between the first sealing capsule and the second sealing capsule; a unidirectional driving device, arranged on the drilling pipe, for injecting the first fluid from the first container into the borehole between the first sealing capsule and the second sealing capsule; and a bidirectional driving device, arranged between the second container and the first sealing capsule.

公开(公告)号：US20210189870A1

公开(公告)日：2021-06-24

申请号：US17036015

申请日：2020-09-29

申请人： CHINA UNIVERSITY OF MINING AND TECHNOLOGY, BEIJING ,  WUHAN CHANGSHENG MINE SECURITY TECHNOLOGY LIMITED

发明人： Yifan ZENG ,  Qiang WU ,  Chunsheng LIU ,  Lina XING

IPC分类号： E21B47/13 ,  E21B47/003 ,  E21F17/06 ,  G01V3/38 ,  G01V3/26 ,  G01V3/34

摘要： Disclosed is a system and a method for monitoring water inrush, including: a host terminal, a field host, at least one controller and at least one electrode array. Each electrode array is placed in one borehole and to detect electric field signals of surrounding rocks around the borehole; each controller connects with one electrode array and is to control the electrode array to carry out a high-density induced polarization measurement on the surrounding rocks; the field host connects with the controller and is to send control signals to the controller, receive and process the electric field signals output by the electrode array; and the host terminal connects with the field host and is to receive the electric field signals processed by the field host, determine changes on apparent resistivity and apparent chargeability of the surrounding rocks, and determine whether there exists water inrush according to the changes.

公开(公告)号：US20220251945A1

公开(公告)日：2022-08-11

申请号：US17465015

申请日：2021-09-02

申请人： CHINA UNIVERSITY OF MINING AND TECHNOLOGY, BEIJING ,  WUHAN CHANGSHENG MINE SECURITY TECHNOLOGY LIMITED

发明人： Qiang WU ,  Chunsheng LIU ,  Yifan ZENG ,  Liu LIU ,  Fengjuan TAO ,  Gang HU

IPC分类号： E21B47/12 ,  E21B47/04 ,  E21F17/18

摘要： Disclosed is a system and a method of transient electromagnetic advanced detection. The system includes a detection host, an electromagnetic signal transmitter, a probe, and a communication device. The system and method of transient electromagnetic advance detection disclosed by examples of the present disclosure can realize an early-warning through a transient electromagnetic advance detection in a borehole while drilling the borehole in a tunnel or a roadway.

公开(公告)号：US20190086577A1

公开(公告)日：2019-03-21

申请号：US16134297

申请日：2018-09-18

申请人： WUHAN CHANGSHENG MINE SECURITY TECHNOLOGY LIMITED ,  CHINA UNIVERSITY OF MINING AND TECHNOLOGY, BEIJING

发明人： Qiang WU ,  Liu LIU ,  Yifan ZENG ,  Fengjuan TAO ,  Chunsheng LIU

IPC分类号： G01V8/02 ,  H04N5/232 ,  H04N7/18 ,  H04N5/225

摘要： Disclosed is a three-dimensional digital virtual imaging device for stratigraphic texture of borehole core, wherein the probe depth counting pulley is mounted on the lifting wire frame, the output shaft of the motor is configured to drive the reel to rotate, and one end of the cable is connected to the cable transfer node of the retractable reel, the signal input end of the borehole imaging trajectory measuring probe of the on-site imaging host is electrically connected to one end of the cable through the cable transfer node of the retractable reel, the cable is wound on the retractable reel, a retractable line is controlled by the retractable reel, the cable is extended and retracted on the probe depth counting pulley, the probe depth counting pulley records the length of the retractable line of the cable, the depth feedback signal output end of the depth counting pulley is connected to the depth feedback signal input end of the on-site imaging host, the motor control signal output end of the on-site imaging host is connected to the control signal input end of the motor, and the signal output end of the borehole imaging trajectory measuring probe is connected to the other end of the cable. It can automatically generate borehole video, two-dimensional digital virtual borehole core image and 3D borehole trajectory in real time.

公开(公告)号：US20160018379A1

公开(公告)日：2016-01-21

申请号：US14801917

申请日：2015-07-17

申请人： CHINA UNIVERSITY OF MINING AND TECHNOLOGY BEIJING

发明人： Qiang WU ,  Lei NIU ,  Shucai LI ,  Shouqiang LIU ,  Yifan ZENG

IPC分类号： G01N33/24

CPC分类号： G01N33/24

摘要： A geomechanical fluid-solid coupling testing device for water inrush from coal mine collapse column is disclosed, which comprises a testing bed and a collapse column simulating device, wherein the testing bed has a box type structure with an opening at its top and is provided therein with multiple layers of similar materials in which a tunnel or a mining face can be dug out; and the collapse column simulating device comprises a plexiglass barrel with openings at both its top and bottom, the plexiglass barrel is provided at its top opening with a plexiglass lifting device and a hard plastic baffle, and the plexiglass lifting device is provided with a lifting level which is connected with a lifting rope. It can be used for simulating a construction process in a situation of tunnel digging or coal seam mining, for example, for collecting water inrush omen information, and for studying on surrounding rock mechanics, deformation and collapse column seepage rules during construction, thus facilitating safe construction and early warning in practical engineering.

摘要翻译： 公开了一种用于煤矿塌陷柱的水涌入的地质力学流体 - 固体耦合测试装置，其包括测试床和塌陷模拟装置，其中测试床具有箱形结构，其顶部具有开口并且设置在其中 具有多层类似的材料，其中可以挖出隧道或采矿面; 并且塌陷模拟装置包括在其顶部和底部都具有开口的有机玻璃桶，在其顶部开口处设有有机玻璃提升装置和硬塑料挡板，并且有机玻璃提升装置具有提升水平 其与提升绳连接。 可用于模拟隧道掘进或煤层开采情况下的施工过程，例如收集水涌信息，研究周围岩石力学，施工过程中变形和崩塌柱渗流规律，从而有助于安全 实际工程建设和预警。

公开(公告)号：US20150234092A1

公开(公告)日：2015-08-20

申请号：US14622143

申请日：2015-02-13

申请人： CHINA UNIVERSITY OF MINING AND TECHNOLOGY, BEIJING

发明人： Qiang WU ,  Bo LI ,  Shouqiang LIU ,  Yifan ZENG

IPC分类号： G01V99/00 ,  G06F17/10 ,  G06F17/50

CPC分类号： E21B47/10 ,  G01V99/005 ,  G01V2210/66

摘要： A method for determining a weight-adjusting parameter in a variable-weight vulnerability assessment method for water-outburst from coal seam floor, comprising the steps of determining a dominant factors and a constant-weight weighting value, further comprising the following steps: 1) building a state variable-weight vector formula; 2) selecting or giving an assessment unit in accordance with constraint conditions; 3) determining an optimum variable-weight weighting value of the selected assessment unit; and 4) solving a value of the weight-adjusting parameter according to a parameter solving model. The method for determining a weight-adjusting parameter in assessment and prediction of vulnerability for water-outburst from coal seam floor by means of a variable-weight model is proposed at the first time. In this method, an optimum variable-weight weighting value of the selected assessment unit is set, and then a value of the weight-adjusting parameter is solved according to a built parameter solving model. With practical application testing, the weight-adjusting parameter determined by this method can effectively reflect the controlling effects on water-outburst of the multiple dominant factor index values in various combined states, and can effectively improve the precision of assessment and prediction of vulnerability for water-outburst from coal seam floor.

摘要翻译： 一种用于确定煤层地下水突出的可变重量脆弱性评估方法中的重量调节参数的方法，其特征在于包括以下步骤：确定主要因素和恒重权重值，所述方法还包括以下步骤：1） 构建状态变量向量公式; 2）根据约束条件选择或给予评估单位; 3）确定所选择的评估单元的最佳可变权重权重值; 和4）根据参数求解模型求解重量调整参数的值。 第一次提出了通过可变权重模型确定煤层地下水爆发脆弱性评估和预测权重调整参数的方法。 在该方法中，设定所选择的评价部的最优权重加权值，然后根据建立的参数求解模型求解加权调整参数的值。 通过实际应用测试，通过该方法确定的重量调节参数可以有效反映各种综合状态下多重优势因子指标值对水爆发的控制效果，有效提高水的脆弱性评估和预测精度 从煤层地板出来。