31results about How to "Facilitation of remedies" patented technology

The invention discloses a two-layer manual liner anti-seepage structure for a storage tank foundation, and applied to storage tank foundation seepage prevention. An anti-seepage film is embedded in a cushion layer in a ring beam of a storage tank, and comprises a vertical anti-seepage film and a horizontal anti-seepage film, which are connected into a whole; the vertical anti-seepage film is rolled up along the periphery of the surface of the ring beam to the top of the ring beam, and is fixed with the ring beam through an anti-seepage film embedded part; a first-layer horizontal anti-seepage film is provided with a first leakage detecting horizontal tube; a second leakage detecting horizontal tube is arranged between the first-layer horizontal anti-seepage film and the second-layer horizontal anti-seepage film, and a leakage detecting vertical tube is communicated with the two leakage detecting horizontal tubes; and a filtrate layer is positioned on the first-layer horizontal anti-seepage film and the second-layer horizontal anti-seepage film respectively. The invention has the advantages that: two-layer anti-seepage and leakage detecting measures are taken in the structure of the tank foundation, the anti-seepage and leakage detecting safety coefficient is increased, an oil leakage phenomenon can be effectively monitored, remedial measures are convenient to take, and leaked oil can be prevented from further infiltrating soil.

The invention discloses a fire state detection method based on D‑S evidence theory, and relates to the field of digital signal processing. The present invention adopts temperature, smog concentration, CO concentration, O 2 The difference between the concentration and the initial concentration of the environment, and the environmental characteristic data of the heat release rate are used to calculate the probability of no fire, the probability of smoldering fire, and the probability of open flame, and then fuse the calculated probability of smoldering fire and open flame to obtain the probability of fire occurrence Probability; through the method of the present invention, the state of fire occurrence can be effectively monitored, the occurrence of fire can be detected in time, it is convenient to take remedial measures, and the loss of property can be reduced; the method of the present invention, on the basis of reducing the false alarm rate, improves the fire detection The accuracy rate is at least 2S earlier than the current common data source temperature, CO concentration, and smoke concentration detection fire occurrence time.

The invention discloses an equalizing beam type road surface paving thickness real-time monitoring device. The device comprises seven parts in all, namely an equalizing beam type paving thickness measurement device, an integrated controller, a wireless data transmission unit (DTU), a database and application server, a monitoring client end, a vehicle-mounted display device and a field alarm device. According to the equalizing beam type road surface paving thickness real-time monitoring device, vertical distance is measured through an equalizing beam and by means of laser distance measurement instruments, and furthermore, paving thickness is calculated based on the height difference (distance difference) of the same position point; through real-time and automatic measurement conducted on paving thickness of a road surface structural layer in the highway road surface paving process, paving quality is reflected in real time based on the thickness variation condition; and quality control can be achieved, and meanwhile, collected relevant measurement data are sent and stored into a remote database for subsequent construction quality evaluation and analysis. When paving thickness is unqualified, an alarm is given in real time so that feedback and adjustment can be conducted in time.

The invention provides a water pressure state detection and transfer method and an implementation device thereof. The water pressure state detection and transfer method comprises the steps of determining a closing threshold value P<max> and a draining threshold value P<min> of a water pressure judgment threshold, conducting filtering treatment on water pressure data to obtain a to-be-compared data P, conducting comparison operation on the to-be-compared data P and the closing threshold value P<max> and conducting water pressure state judgment and transfer and an activating notification function of a corresponding event according to a comparison result. By means of the water pressure state detection and transfer method and the implementation device thereof, the problem that in the prior art, no effective water supply pipe network leakage detection and alarm device and method exist is solved.

The present application is applicable to the technical field of air-conditioning systems, and provides a compressor fault detection method, device, computing device and storage medium, wherein the method includes obtaining operating parameters of the air-conditioning system; according to the operating parameters, obtaining the actual volumetric efficiency and theoretical value of the compressor Volumetric efficiency: According to the relative error between the actual volumetric efficiency and the theoretical volumetric efficiency, determine whether the compressor has an internal leakage fault. The present application can accurately determine whether an internal leakage fault occurs in the compressor, and it is convenient to take corresponding remedial measures when the internal leakage fault occurs in the compressor, thereby improving the reliability of the air conditioning system during operation.

An oil drilling drill string online monitoring system and a fault diagnosis method belong to the oil drilling monitoring technology. Including PCB board, upper computer, torque sensor and acceleration sensor connected to the drill string respectively, the torque sensor and acceleration sensor are respectively connected to the PCB board, and the collected torque signal and vibration signal are sent to the PCB board, and the PCB board will pre- The processed data communicates with the host computer through the Bluetooth module. The patent of the invention has good portability, can monitor the drilling state of the drill string in real time, and can accurately and reliably diagnose abnormal conditions, so that drilling workers can take remedial measures in time and effectively prevent dangerous accidents.

The invention relates to a flat tire braking system which comprises a tire pressure monitoring unit, an automobile engine main control unit and a braking execution unit connected in sequence, wherein the braking execution unit is a vacuum power booster provided with a front cavity solenoid valve and a rear cavity solenoid valve which are connected with the automobile engine main control unit; thefront cavity solenoid valve is connected with a tappet on a braking master cylinder piston, the rear cavity solenoid valve is connected with a mounting bolt on a rear cavity shell, and a push rod of the vacuum power booster is connected with a braking pedal; and the automobile engine main control unit is also provided with two output ends respectively connected with the drive ends of a flash caution light and a braking light. The invention detects blowout by improving a program, controls the front cavity solenoid valve and the rear cavity solenoid valve of the vacuum power booster to brake bythe automobile engine main control unit, has more perfect braking effect, increases the security level of an automobile by a rank, brakes a flat tire in 500 ms, automatically turns the caution light and the braking light on and enables a driver of a rear vehicle to see a caution visual signal of a front vehicle as soon as possible so as to prevent the vehicle from rear collision.

The invention discloses a drill rod monitoring method and a drill rod monitoring device. The drill rod monitoring method comprises the following steps: (S1) the tension break variable and the drill rod length value in the break of a main windlass tension value are obtained; (S2) drill rods being lifted at present are determined according to the drill rod length value; and (S3) when the tension break variable is greater than or equal to the weight of outer-layer rods of the drill rods being lifted, the drill rods being lifted at present generate the rod carrying, and warning signals are output. The drill rod monitoring method, provided by the invention, can judge out a rod carrying area so as to bring convenience for operators to adopt remedial actions, and is low in judgment error.

The invention relates to an information quality control system and a quality control method for the construction of plastic drainage boards. The quality control system includes a scale barcode prefabrication unit for plastic drainage boards, a data acquisition unit, a data processing unit, a database, and a data application unit. The quality control method includes prefabricating the scale barcode through the scale barcode prefabrication unit of the plastic drainage board, performing data collection through the data acquisition unit, performing data processing through the data processing unit, and performing data application through the data application unit. The present invention spray-paints barcodes containing plastic drainage board product information data on each scale position of the plastic drainage board, and then collects various information of the construction project of the drainage board through the data acquisition unit, especially the setting information, and uses the data processing unit to process the collected information. The data is processed, counted, calculated and stored in the database, and then the application functions such as alarm, query, output, traceability, and process are realized through the data application unit, which is conducive to refined management.

The invention relates to a method for optimizing the structure of a laminated glass product, which belongs to the technical field of laminated glass and solves the problem that the prior art cannot effectively overcome the dynamic failure of the laminated glass. The method comprises the steps of: establishing a physical test model including an initial structure of a laminated glass product and an impact head; applying impacts perpendicular to the glass plate surface and at different speeds to the laminated glass product through the impact head to obtain the crack tip Dynamic stress intensity factor-crack tip position curve, and the action time of the stress wave on the crack tip; according to the curve and the action time of the stress wave on the crack tip, the critical condition for the generation of dynamic cracks in laminated glass products is obtained, and then obtained under the critical condition The speed and quality of the impacting object, determine whether the speed and quality meet the design requirements, if not, adjust the properties and thickness of the laminated glass, repeat the above steps until the requirements are met, and complete the structural optimization.

The invention discloses a method for forecasting whether a user is off network, which comprises the following steps: distributing matrix-type site elements to a registered user who logs in; setting the initial value of each element; recording all the operations of the registered user; summarizing the operations of the registered user; calculating an average active value of the user; judging whether the average active values of different users in the preset time present descending trend or not, if so, determining the user to be an off-network user; otherwise, returning to the step of distributing matrix-type site elements to the registered user who logs in, and setting the initial value of each element. The invention also discloses a device for forecasting whether the user is off network. The invention provides a user behavior excavation manner, which can be used for calculating the standard active value by matching with a certain algorithm, thereby forecasting the possibility of the user off network in advance from the trend of the active degree of the user, so that operators can take corresponding remedial measures.