38results about How to "Realize continuous online detection" patented technology

The invention provides a cable online detection and fault diagnosis system, which comprises a background monitoring module, a plurality of acquisition terminals, a communication module, a grounding current sensor and a fault current sensor, wherein the grounding current sensor and the fault current sensor are respectively connected with the acquisition terminals for acquiring working electrical parameters of the cable and transmitting the parameters to the acquisition terminals; the communication module is arranged in the acquisition terminal, and the working electrical parameters are transmitted to the backstage monitoring module via the communication module; and the backstage monitoring module acquires the working electrical parameters and according to a preset condition, corresponding alarming information is sent to the user terminal. Thus, continuous online detection on the cable can be realized, a change state curve for each electrical parameter is acquired, the corresponding information can be timely sent to the user terminal via the communication module, and the insulation state of the cable can be judged more accurately.

The invention relates to an ultraviolet-visible light full-wavelength scanning sewage quality online rapid detection method and an application thereof. A full-waveband spectrum detection system is used for carrying out full-waveband scanning on sewage, a water body is directly scanned in an immersion mode, and obtained spectral absorption information of the sewage is transmitted to the full-waveband spectrum detection system; an absorption full-spectrum chart of the sewage is calculated by utilizing the full-waveband spectrum detection system; a multiple regression equation of each to-be-detected substance is obtained by fitting through a multiple regression equation model by utilizing the full-waveband spectrum detection system, wherein the multiple regression equation model is as follows: Yn = A1 * x1 + A2 * x2 +... + A210 * x210 +... + An * xn (n = 215-217), Yn is a target parameter prediction value, and A1 to An are respectively a coefficient of a wavelength corresponding to each model. The full-waveband spectrum detection system is used for detecting water quality parameter values. The simultaneous detection of various substances is realized, the detection time is short and is15 seconds, and the result can be obtained.

The invention designs an online mass spectrum sample introduction device with a tubular film inside an ionization source. The sample introduction device comprises the tubular film, heating lamps, a sample introduction metal tube, a particle filter screen and emergency cut-out solenoid valves. A nonporous compact polydimethylsiloxane tubular film serves as the tubular film. The tubular film is directly arranged in an ionized region. The heating lamps arranged on the outer sides of the tubular film are used as film heating devices. Metal capillary tubes are connected with two ends of the tubular film and are respectively used as a sample introduction inlet and a sample introduction outlet. An air exhausting opening is arranged on the side wall of the cavity of the ionized region. The air exhausting opening is provided with an adjustable valve to adjust the vacuum degree of the ionized region. Arrayed tubular films can be used in the ionized region to facilitate a large amount of sample introduction. The device improves the transmittance of samples in the film and ionization efficiency of the samples.

The invention relates to a high-pressure paint film continuity tester, which comprises a high pressure test head, a direct-current high pressure generator, a signal detection circuit, a processing circuit and a counting instrument, wherein the high pressure test head consists of a bracket, left and right guide wheels fixed on the bracket, and a creaser wheel positioned in the middle of the left and right guide wheels; and the creaser wheel or the left and right guide wheels is/are fixed on the bracket through a vertical displacement adjusting device. The vertical position between the creaser wheel and the guide wheels on the high pressure test head is adjustable, so continuity online detection of enameled wires and paint films can be realized, detection materials are not dissipated, and the test cost is reduced; and the tester has a simple structure, and the positions of the creaser wheel and the guide wheels are convenient to set.

The invention relates to an in-vitro simulated dissolution and continuous online detection device for nicotine in bagged oral tobacco products. The device comprises a color developing agent containing device (R1), a dissolution agent containing device (R2), a first peristaltic pump (P1), a second peristaltic pump (P2), a dissolution pool (A), a decolorizing column (B), a reaction pool (R) and a spectrophotometer (D), wherein the first peristaltic pump (P1) is positioned at the downstream of the color developing agent containing device (R1) and is connected with the color developing agent containing device (R1) by virtue of a pipeline; the second peristaltic pump (P2), the dissolution pool (A), the decolorizing column (B), the reaction pool (R) and the spectrophotometer (D) are positioned at the downstream of the dissolution agent containing device (R2) and are sequentially connected with one another; the reaction pool (R) is positioned at the downstream of the first peristaltic pump (P1) and is connected with the first peristaltic pump (P1) by virtue of a pipeline; and the spectrophotometer (D) is connected with a data processing device (C). The invention also relates to an in-vitro simulated dissolution and continuous online detection method for the nicotine in the bagged oral tobacco products. According to the detection device and method disclosed by the invention, the continuous on-line detection of in-vitro dissolution for the nicotine can be realized, the operation is convenient, and the detection is rapid.

The invention discloses an integrity detecting device for a hollow fiber membrane component. The integrity detecting device comprises a reactor, an aerating device and a water pump, wherein two pairs of platinum wire probes are arranged on a water feeding pipe connected with the water pump, and two circuits are connected onto a 5V power supply in parallel; each pair of platinum wire probes and one fixed resistor are connected onto the circuits in series, each resistor is also connected with a fixed capacitor in parallel, the two ends of each fixed resistor are connected with an acquisition card by guide lines, the acquisition cards acquire voltages at the two ends of the fixed resistors, are connected with a computer by data lines and judge the integrity of the hollow fiber membrane component according to the change of on-line-displayed voltages. The integrity detecting device disclosed by the invention has the advantages that according to the electric principle, the change of the voltages of the two ends of the fixed resistors is acquired by utilizing the data acquisition devices, and the integrity of the membrane component is judged according to the change rule of voltage signals; continuous on-line detection can be realized, not only is the sensitivity relatively high and is the operation stable, but also the economy is relatively good.

The invention discloses an automatic testing platform for an automobile clutch release bearing, which comprises a frame, on which a vertical shaft is fixedly installed on the platform, and a rotatable turntable is installed on the vertical shaft; an offset cylinder is also fixedly installed on the vertical shaft; A detection cylinder is fixedly supported on the platen, and the detection cylinder is connected with a pressure sensor through a sensor seat, and a displacement sensor is fixedly installed on the detection cylinder, and a weight is suspended between the pressure sensor and the push plate; There is a positioning rod that can slide in the vertical direction. The positioning rod is driven by a positioning cylinder fixedly installed on the table. The positioning rod and the weight are on the same straight line; A loading and unloading cylinder is fixedly installed on the loading and unloading rotating shaft, and a loading and unloading swing arm is connected to the loading and unloading cylinder, and a pneumatic finger is installed on the loading and unloading swing arm. The automatic detection platform not only has high test efficiency and accurate data, but also realizes automatic online detection.

The present invention relates to an online detector, wherein an ion mobility spectroscopy technology is adopted as a basic detection technology, a sample injection rotation disk is controlled by a rotation motor, sample thermal analysis and headspace injection technology are combined, a sample is not subjected to complex pretreatment and is collected to the surface of a sampling sheet, the rotation motor controls the sample injection rotation disk so as to make the sample on the sampling sheet be subjected to continuous sample injection thermal analysis, and the obtained sample enters the detector through carrying with carrier gas so as to be subjected to online detection analysis. According to the present invention, the online detector is used for the continuous online detection of propofol anesthetics in human blood during surgeries so as to guide physicians in clinical administration.

An on-line detector capable of continuous sample injection is designed in the invention. According to the detector, an ion-mobility spectrometry technique as a base detection technique is adopted and sample thermal desorption analysis and headspace sample feeding techniques are combined. A sample with a complex matrix does not need pretreatment and is collected to the surface of a sampling sheet, the sampling sheet allows volatile components of the sample to be gasified in a thermal desorption analysis sample injector through a belt type conveying manner, and then the sample vapor is carried by a carrier gas to enter the detector and subjected to on-line detection and analysis. The detector achieves on-line continuous detection of propofol in human blood during operations and is used for directing clinical administration by doctors.

The invention relates to an ammonia nitrogen detection method and an ammonia nitrogen detection device based on electrodialysis ion transformation. Through a polarization principle of electrodialysis, pure water is electrolyzed to generate alkaline electrolytic water so as to replace the effect of a sodium hydroxide solution, thus achieving transformation of ammonium ions in a sample solution. The ammonia nitrogen detection device comprises an anode compartment electrodialysis cell, a cathode compartment electrodialysis cell, an electromagnetic valve, an injection pump and a detection tank, wherein two electrode compartments of the anode compartment electrodialysis cell and the cathode compartment electrodialysis cell are separated by a cation exchange membrane; cation exchange resin and an anode electrode are arranged inside the anode compartment; anion exchange resin and a cathode electrode are arranged inside the cathode compartment. The ammonia nitrogen detection method comprises the following steps: electrolyzing by the electrodialysis device by using an electrolytic cell with the two electrode compartments; after electrolysis, transferring a certain volume of alkaline electrolytic water to the detection tank, mixing the electrolytic water with a water sample to be detected according to a proportion, and ensuring that the pH of the mixed water sample is higher than 11 to meet an alkalization need; detecting by using an ammonia-sensitive electrode to obtain the ammonia nitrogen content value of the water sample to be detected. Chemical reagents are not required, and alkaline electrolytic water can be continuously generated only by using electrical energy and pure water, so that environment pollution and secondary pollution are avoided.

The invention relates to a method for detecting the quality of a conductive tube rod based on relative motion, and belongs to the technical field of material quality detection. The method comprises the following steps that: during detection, a detection device and a conductive tube rod can move relatively, and the quality of the conductive tube rod is judged by continuously collecting informationand calculating information parameters, wherein the information comprises but is not limited to a voltage, a current and a position, and the information is continuous information and the information parameters are selected from one or more of the voltage, resistance, resistivity, conductivity and electrical conductivity; obtained actual information parameters are compared with standard informationparameters; when a result obtained by dividing the absolute value of the difference of the actual information parameter and the standard information parameter by the standard information parameter isgreater than or equal to a defect judgment threshold value, a defect is determined to exist in the region corresponding to the actual information parameter; and when the result obtained by dividing the absolute value of the difference of the actual information parameter and the standard information parameter by the standard information parameter is smaller than a defect judgment threshold, the quality of the region corresponding to the actual information parameter is determined to be qualified.

The invention relates to the technical field of roof leakage detection, and discloses a building roof leakage detection device and method. A main detection device comprises a housing, wheels, a storage battery, a controller, a charger, a wireless transmission module group, a holding rod support, a holding rod, a camera support frame, a camera, and a display. The housing comprises an upper housingand a lower housing. The upper housing is arranged on the upper portion of the lower housing, an upper installation chamber is formed in the upper housing, a lower installation chamber is formed in the lower housing, a plurality of wheels are symmetrically arranged at the bottom of the lower housing, the storage battery is arranged in the lower installation chamber, the controller, the charger andthe wireless transmission module are installed in the upper installation chamber, and the storage battery supplies power to the whole main detection device, and the charger is connected with the storage battery through a wire. Continuous online detection of building roof leakage can be achieved, the continuous development situation of roof leakage is obtained, time is saved, and the device is easy to operate and low in use cost.

The invention discloses a steel tape thickness detection device having no influences on a production process. The device comprises a box-type housing, an upper support plate, a lower support plate, a linear guide rail, a following detection device, a pressure detection device, a charging battery and three pairs of transmission roller groups. A guide rail slide block matched with the linear guide rail is arranged on the following detection device. The following detection device sleeves the linear guide rail through the guide rail slide block and is capable of sliding up and down along the linear guide rail. The following detection device moves together with a steel tape in the detection process and is restored after the detection is finished, and the production process is not influenced. Two distance sensors are adopted for thickness detection, and the thickness of the steel tape is detected by probe retraction amounts of the two distance sensors. The steel tape thickness detection device has the advantages that the structure is simple and compact, the movement is convenient, the operation is simple, the measuring process can be carried out on line, the detection process is continuous, data obtaining is convenient, the measuring work of the rolled steel tape is substantially facilitated, and the steel tape thickness detection device is suitable for large-scale popularization and usage.

The invention discloses a device being able to continuously detect thickness of a steel belt on line. The device includes a box type housing, a support plate, a rechargeable battery, a pressing device, a pair of ultrasonic distance sensors, four pairs of transmission roller trains, a steel belt buffer unit and pressure detection device, wherein the four pairs of transmission roller trains are respectively a first transmission roller train, a second transmission roller train, a third transmission roller train and a fourth transmission roller train; a left stopper, the first transmission roller train, the pressing device, the second transmission roller train and a right stopper are successively arranged in the horizontal motion direction of the steel belt in the box type housing; and the third transmission roller train, the steel belt buffer unit and the fourth transmission roller train are successively arranged in the horizontal motion direction of the steel belt outside the box type housing. The device being able to continuously detect thickness of a steel belt on line is convenient to move and is simple for operation and detection, and can measuring the thickness of the steel belt during the production process and can conveniently perform data retrieval, thus being very convenient for measuring rolls of steel belts and being suitable for popularization and usage on a large scale.

The invention discloses a method for on-line steel belt thickness detection by using a steel belt damping device. The method comprises: a steel belt in motion is clamped by using a compressing device and the part from an entrance steel belt segment to a clamped steel belt segment is kept to be in a static state; two pressure sensors that are arranged on an upper pressing block and a lower pressing block detect pressures applied on an upper surface and a lower surface of the clamped steel belt segment, and motion of a drive unit is stopped when the pressure values detected by the two pressure sensors reach a preset value; with a steel belt damping device, the entrance steel belt segment is guaranteed to be in a driving state all the time; and a thickness detection device carries out thickness detection on the clamped steel belt segment. According to the invention, on-line measurement of the steel belt thickness during the production process can be realized; data invoking can be carried out conveniently; and measurement work on the rolled steel belt becomes convenient.

The invention relates to a chlorine dioxide detection device of tap water quality. Structurally, the chlorine dioxide detection device comprises six units: water injection drive unit, a chlorine dioxide detection unit, an LED constant current source circuit unit, a magnetic agitation unit, a reagent injection drive unit, and a microprocessor control unit, wherein the microprocessor control unit isconnected with the water injection drive unit, the chlorine dioxide detection unit, the LED constant current source circuit unit, the magnetic agitation unit, and the reagent injection drive unit, the microprocessor control unit is used for controlling the whole system to work and completing wireless uploading of detection data. The chlorine dioxide detection device based on an illumination principle can be installed at the end of a water pipe network, and the microprocessor control unit circularly detects light absorption amount of illuminated liquid so as to detect residual chlorine dioxidein to-be-tested water online, and can realize constant online detection.

The invention relates to an online steel wire rod cold heading test recording method and system, aiming at solving the problems that when an existing steel wire rod meter is detected, manual detection is adopted, so that the production efficiency is low, the safety is poor, and labor and force are consumed. The system comprises a straightening system, a conveying system, a first clamping device, a cutting system, a cold header, a second clamping device and a meter detection device; a steel wire rod cut from a production line is straightened, conveyed, clamped, cut and treated by cold heading and meter detection, so that online steel wire rod cold heading test recording can be realized. The method can completely replace the manual detection, and is simple in technology, safe, reliable, high in efficiency, time-saving, labor-saving and environmentally friendly.