30results about How to "Realize whole-process monitoring" patented technology

The application provides a capacitor aging monitoring device, which includes an aging frame, a bent frame for supporting the capacitor, two ring-shaped chains for supporting the bent frame, a plurality of rotating rods connecting the two chains, and a The driving unit for rotating the rotating rod, the ring-shaped brushes and heating unit arranged on the outside of each chain; it also includes a monitoring board for collecting voltage information of the capacitor on the bent shelf and a monitoring circuit electrically connected to the monitoring board. brush unit. By installing the monitoring board on the bent frame and installing the monitoring brush unit on the aging frame, the monitoring board is electrically connected with the monitoring brush unit. When the brushes charge and discharge the racks for capacitor aging, the monitoring board can collect the voltage information of each capacitor on the racks, and transmit the collected voltage information to the external monitoring terminal through the monitoring brush unit for display The voltage changes of each capacitor can be monitored in real time for the flash explosion problem of each capacitor during the aging process, thereby improving the yield rate of capacitors.

The invention discloses a burying-before-guiding type step-by-step burying method for monitoring instruments in synchronous construction with loess high fill. The loess high fill under construction comprises multiple filling segments from bottom to top. The multiple monitoring instruments to be buried are spot measurement type monitoring instruments. The burying-before-guiding type step-by-step burying method comprises the following steps: step one, the filling segment at the bottom is filled, and the spot measurement type monitoring instrument at the bottom is buried; step two, cables are centralized and protected temporarily; step three, the previous filling segment is filled and the previous spot measurement type monitoring instrument is buried; step four, the cables are guided, specifically, the data transmission cables which are protected temporarily are guided onto a current filling surface; step five, whether the burying process is finished is judged, namely, when the filling elevation reaches the designed elevation of the loess high fill, the burying process is finished; otherwise, the data transmission cables are all centralized at one position and protected temporarily, and then the step three is returned to. The burying-before-guiding type step-by-step burying method is simple in step, convenient to implement, and good in burying effect; the burying process does not interfere with the construction process of the loess high fill, and the construction process of the loess high fill and relevant parameters after the construction is completed can be monitored.

The invention discloses a multi-channel large deformation landslide displacement automatic monitoring device and method. The device comprises a steel wire rope which is used for being connected with an anchor bolt, and the steel wire rope is connected with a displacement monitoring device. According to the structure of the displacement monitoring device, the steel wire rope penetrates through a displacement measuring unit and then is connected with a steel wire rope tensioning gear, and the displacement measuring unit is connected with a mechanical type measuring sensor and / or an electronic type measuring sensor; in the steel wire rope tensioning gear, the steel wire rope is wound on a roller, a roller shaft is supported on a bearing pedestal, the roller shaft is further connected with an inner ring of a spiral plate spring, and an outer ring of the spiral plate spring is matched with a fixed gear ring which is fixedly mounted. By means of the multi-channel large deformation landslide displacement automatic monitoring device and method, due to the arrangement of the steel wire rope tensioning gear, monitoring precision is improved, wide-range monitoring is achieved, and whole process monitoring of landslide data at three stages can be completely achieved.

The invention discloses a filing layered sedimentation monitoring device and method. The monitoring device comprises a bottom sedimentation monitoring unit, a middle sedimentation monitoring unit and a ground surface sedimentation monitoring unit which are buried in a soil layer to be monitored from bottom to top and are vertically arranged. Burying holes are formed in the soil layer to be monitored. An anchoring head is arranged under the bottom sedimentation monitoring unit. The bottom sedimentation monitoring unit, the middle sedimentation monitoring unit and the ground surface sedimentation monitoring unit are all provided with inclinometer pipes, extensible pipes arranged on the outer sides of the inclinometer pipes in a sleeving mode and displacement sensors installed on the upper portions of the inner sides of the inclinometer pipes. The monitoring method comprises the steps that firstly, drilling of the burying holes is conducted; secondly, the bottom sedimentation monitoring unit is installed; thirdly, the middle sedimentation monitoring unit is installed; fourthly, the ground surface sedimentation monitoring unit is installed; and fifthly, layered sedimentation monitoring is conducted. The filing layered sedimentation monitoring device and method are reasonable in design, convenient and easy to operate, convenient to bury, high in measuring precision and capable of effectively solving the problems that existing layered sedimentation monitoring equipment is large in equipment burying workload and low in measuring precision.

The invention provides a device for detecting the signal of the rocket power filling system. In order to solve the problem that there are many heads in the filling warehouse of the shooting range, the data of the front and rear ends of the filling system cannot be linked in real time, and the versatility of each model is not strong. Provide a general-purpose rocket power filling system signal acquisition device based on RS485. By using the present invention, the front-end warehouse meters can be concentrated in one combination, and the purpose of broadcasting and sharing the front-end and back-end data in real time can be assembled on different types of rockets. power filling system. Using the present invention can satisfy the power filling system signal acquisition function of different test sites between different models, carry out front-end detection on the entire filling process of the rocket power system, and transmit the data to the back end for real-time interpretation through RS485 bus technology. When there is a fault in the filling process, it is discovered in time to ensure that the system commander can grasp the filling dynamics in real time, and grasp the display information of the power system range test and propellant filling.

The invention discloses a fully distributed pipeline erosion monitoring system and method based on optical fiber sensing, comprising a pipeline, two temperature sensing optical cables and a temperature demodulator. Lay the first temperature sensing optical cable in the soil body, and lay the second temperature sensing optical cable at a certain distance directly above the first temperature sensing optical cable; the two temperature sensing optical cables are laid along the entire axial direction of the pipeline, and the two The same end of the temperature sensor is connected to the temperature demodulator to form a loop; the temperature demodulator collects the soil temperature at the buried place through the temperature sensing optical cable, and the first temperature sensing optical cable measures the temperature T1 at the pipeline , the second temperature sensing cable measures the temperature T2 at the reference. It has the characteristics of easy installation, instant feedback, labor saving, and good weather resistance.

The invention discloses a cascade high-potential energy supply device, which comprises an iron core and an insulating cylinder, wherein an insulator is formed by winding the periphery of the iron core so that the iron core has a fully-insulated structure; a primary winding and a secondary winding are respectively arranged at the upper and lower ends of the insulator and respectively provided with a wire-outgoing sleeve which leads a wiring terminal out; and the iron core, the insulator, the primary winding and the secondary winding are fixed in the insulating cylinder. By adoption of the insulator, potential isolation between the primary winding and the secondary winding is realized, so that the primary winding and the secondary winding are totally positioned on a high-voltage side or a low-voltage side. By adoption of the insulating cylinder, the cascade high-potential energy supply device can be isolated from external potential. The cascade high-potential energy supply device can be arranged between a high-voltage part of an on-line monitoring device and a mains supply, so the problem about power supply for the high-voltage part of the on-line monitoring device is solved.

The invention relates to a method and device for monitoring an IGBT drive overcurrent fault. The method monitors the measured voltage between the collector and the emitter of the IGBT in real time; judges the fault level of the IGBT according to the measured voltage, and the corresponding fault level corresponds to a setting Within a fault level, each time the measured voltage is monitored to be in the voltage range corresponding to the fault level, an overcurrent alarm signal corresponding to the fault level is issued, and at least two overcurrent alarm signals are issued. Under the condition of not changing the detection environment of hardware, the present invention processes the logic signal through software control, realizes the whole monitoring of the IGBT in the overcurrent fault alarm interval, and avoids the occurrence of false alarms in the traditional methods commonly used in the world. The reliability and accuracy of IGBT overcurrent fault detection are improved, and the invention has higher reference value.

The invention discloses a flow monitoring system and a flow monitoring method, and relates to the technical field of flow monitoring. The flow monitoring system includes a liquid inlet, a liquid outlet, a first range flow meter and a second range flow meter. At least two branch flow paths are arranged between the liquid inlet and the liquid outlet; the range of the first range flowmeter is greater than that of the second range flowmeter; the first range flowmeter is arranged on the confluent flow path of at least two branch flow paths , the second range flowmeter is set on one of the branch flow paths, when the liquid flow rate is within the range range of the second range flowmeter, the liquid only passes through the branch flow path where the second range flowmeter is located; when the liquid flow rate is greater than the second range flowmeter When the range of the flowmeter is within the range, the liquid is diverted through at least two branch flow paths and then returned to the confluence flow path. The flow monitoring system can monitor the whole process of the continuous change of the liquid flow from small to large, which is beneficial to the flow characteristic test of valve products.