34 results about "Integrity testing" patented technology

The invention discloses a preparation method of a microporous positive bottle. The preparation method comprises the following steps: S1, selecting a proper microporous preparation method to prepare the microporous positive bottle; s2, after the microporous positive bottle is prepared, a leak detector is adopted to detect the profiling solid body, the standard leakage holes with different hole diameters and the microporous positive bottle with the same parameters, and then detection data between the microporous positive bottle and the profiling solid body and detection data between the microporous positive bottle and the standard leakage holes are compared; determining the final actual leakage aperture of the microporous positive bottle and judging whether the final actual leakage aperture meets the requirement or not; and S3, labeling detection data of the microporous positive bottles meeting the requirements, and packaging and storing the detection data. The preparation method of the microporous positive bottle effectively ensures that the final leakage aperture of each positive bottle for verification of leakage detection equipment can be quantified and traced, eliminates the risk of misjudgment of the performance of the leakage detection equipment caused by fuzzy aperture, and provides an accurate and reliable standard sample support for a container sealing integrity test.

The utility model relates to the field of detection equipment, in particular to an integrity detection device for a lithium battery combined cap, which comprises a support plate. A Z-shaped detection base is arranged at the upper end of the supporting plate, a telescopic air cylinder is arranged on the side, close to the supporting plate, of the detection base, a sliding block in sliding fit with the sliding groove is installed, a detection groove is formed in the upper end of the sliding block, a light hole is formed in the middle of the detection groove, and a light source corresponding to the light hole is arranged at the lower end of the side, away from the supporting plate, of the detection base. The beneficial effects of the utility model are that the detection seat is provided with the detection groove, the lower end of the detection groove is provided with the light source, the upper end of the detection groove is provided with the detection camera, the lower end of the detection camera is provided with the shading cylinder, the lithium battery combination cap shields the light hole in the detection groove, and the light source irradiates upwards; and the detection camera can detect whether holes exist in the lithium battery combined cap or not, so that the integrity of the lithium battery combined cap is detected.

The utility model provides an environment-friendly foundation pile integrity detection device with a fastening structure for buildings, which relates to the technical field of foundation pile integrity detection devices and comprises a plurality of supporting legs, an adjusting frame is mounted at the top ends of the supporting legs, a base is mounted at the top end of the adjusting frame, and a pair of supporting frames is mounted at the top end of the base. A rolling wheel is installed between the pair of supporting frames, a plurality of cables are placed at the top end of the rolling wheel, a detection head is installed at one end of each cable, and a plurality of fastening assemblies are placed at the bottom end of each detection head. According to the device, the bolt is rotated, the limiting block slides in the limiting groove, the moving block moves longitudinally and vertically, the moving block descends to abut against the gap between the lantern ring and the pile foundation pipe, the overall operation is simple and convenient, dismounting and mounting are convenient, garbage is reduced, and the testing work efficiency is improved.

A system comprises a processor onboard a vehicle, surveillance sensors, and a DAA module that receives sensor measurement tracks and includes a tracking system that tracks objects in an environment around the vehicle. The tracking system comprises a data association module that includes a track-to-track function that outputs main solution and sub-solution tracks with track information. An integrity module communicates with the DAA module and comprises a track integrity system in communication with the data association module and operative to provide integrity checks. The track integrity system compares, selects, and outputs a main solution track or sub-solution tracks based on correlated tracks provided by the track-to-track function and solution separation; sends a track solution that passes integrity tests to a prune function, and sends tracks that fail to pass integrity tests to the data association module; and assures the integrity of tracks correlated and estimated by the tracking system.

The utility model relates to the technical field of filter element integrity detection, in particular to a filter element integrity detection system. The filter element integrity detection system comprises a respirator, a purified water source, a compressed air source, a drainage part, a first pipeline, a second pipeline and an integrity tester, the respirator comprises a filter element, a first opening and a second opening are formed in the bottom of the respirator, and a third opening is formed in the top of the respirator; the compressed air source is connected with the integrity tester, the purified water source and the integrity tester are connected with a first opening of the respirator through a first pipeline and a second pipeline respectively, and a second opening and a third opening of the respirator are both connected with the drainage part; purified water from a purified water source can enter the respirator from the first opening through the first pipeline and is discharged from the third opening; and gas from the compressed gas source can sequentially pass through the integrity tester and the second pipeline and enter the respirator from the first opening. According to the filter element integrity detection system, the problem that the integrity detection of the filter element needs to be carried out offline at present is solved.

Disclosed are a LNG cargo tank testing method, an offshore structure using the same, and an offshore structure liquid nitrogen supply system. The LNG cargo tank testing method according to an embodiment of the present disclosure includes: step (a) performing a first integrity test on a secondary barrier of a LNG cargo tank of an FLNG after the LNG cargo tank is constructed; step (b) performing a cooling operation on the inside of the LNG cargo tank; and step (c) performing a second integrity test on the secondary barrier of the LNG cargo tank, wherein steps (a) to (c) are performed on the LNG cargo tank of the FLNG in a state in which the FLNG is configured on a shore, and step (b) is performed using any one of refrigerants other than LNG.

The utility model belongs to the field of container sealing integrity testing, and particularly discloses a pre-filling needle medicine positive and negative pressure testing support which comprises a support fixing seat and pre-filling needle supports, the pre-filling needle supports are evenly distributed on the periphery of the support fixing seat and connected with the support fixing seat, and a clamping seat can freely move up and down along a trapezoidal guide rail and can be adjusted to a proper position. The position of the clamping seat is locked and fixed through the second knurled screw, the device can adapt to pre-filling needle medicines with different liquid loading quantities, the testing universality and flexibility are improved, the position of the clamping seat is fixed through the second knurled screw, operation is easy and convenient, the position of the pre-filling needle push rod is easy to adjust and fix, the testing efficiency and convenience are improved, and the testing efficiency is improved. The support fixing seat can test a plurality of pre-needle-filling drugs at a time, and the combined and installed support is integrally placed in a closed container for detection, so that the detection efficiency is greatly improved, and the time and the labor cost are saved.

A method for preparing a filling operation, comprising the following steps: providing a filling system that comprises a liquid source, a barrier system for providing a controlled environment, a filling device arranged in the barrier system for filling a pharmaceutical liquid, a fluid path extending between the liquid source and the filling device for conducting the pharmaceutical liquid, and a filter assembly arranged in the fluid path with at least one filter housing and a filter element; introducing the pharmaceutical liquid from the liquid source into the fluid path; passing a defined amount of the pharmaceutical liquid through the filter assembly in order to wet each filter element; performing an integrity test of each filter element wetted with the pharmaceutical liquid; and forwarding the passed pharmaceutical liquid to the filling device in order to at least partially flush the fluid path.

The utility model relates to the technical field of liquid storage bag testing, in particular to a testing tool for a disposable 2D liquid storage bag, and the testing tool comprises a bottom plate, a pair of limiting tool seats fixedly connected to the two sides of the bottom plate respectively, and an object placing plate fixedly connected between the two limiting tool seats, and the object placing plate is used for placing an integrity tester. The limiting tool seat is provided with a limiting cavity for placing the disposable 2D liquid storage bag, and the upper end face of the limiting tool seat is provided with a test opening communicated with the limiting cavity. When the integrity test is carried out on the disposable 2D liquid storage bag, the disposable 2D liquid storage bag is put into the limiting cavity from the test opening, then the integrity tester is used for carrying out gas injection and pressurization on the disposable 2D liquid storage bag, and due to the fact that the liquid storage bag is limited by the limiting cavity, the liquid storage bag can be expanded in the limiting cavity without being expanded to the maximum volume state; the pressurizing time of the liquid storage bag is effectively shortened, and the integrity testing efficiency of the liquid storage bag is improved.

A system comprises a processor onboard a vehicle, surveillance sensors, and a DAA module that receives sensor measurement tracks and includes a tracking system that tracks objects in an environment around the vehicle. The tracking system comprises a data association module that includes a track-to-track function that outputs main solution and sub-solution tracks with track information. An integrity module communicates with the DAA module and comprises a track integrity system in communication with the data association module and operative to provide integrity checks. The track integrity system compares, selects, and outputs a main solution track or sub-solution tracks based on correlated tracks provided by the track-to-track function and solution separation; sends a track solution that passes integrity tests to a prune function, and sends tracks that fail to pass integrity tests to the data association module; and assures the integrity of tracks correlated and estimated by the tracking system.

The utility model relates to a filter element integrity testing device which comprises a testing base and a testing shell used for installing a tested filter element, the testing base comprises a horizontally-arranged base flange, the bottom of the testing shell is provided with a shell flange used for being connected with the base flange, and the base flange is provided with a flange water-permeable hole. The testing base further comprises a liquid collecting barrel with an open upper end, a collecting barrel water outlet hole is formed in the bottom of the liquid collecting barrel, a collecting barrel water outlet pipe is arranged at the collecting barrel water outlet hole, a water outlet pipe valve is arranged on the collecting barrel water outlet pipe, and collecting barrel supporting legs are arranged at the bottom of the liquid collecting barrel. The base flange is fixed to the upper side of the bottom of the liquid collecting cylinder through a base supporting leg structure, and the flange water permeable hole is communicated with an inner cavity of the liquid collecting cylinder. The technical problem that in the prior art, testing liquid directly flows to the ground and pollutes the ground is solved.

The utility model discloses an embodiment relates to a kind of buffer tanks for large diffusion flow membrane filter integrity test, upper oval head is arranged above the buffer tank for large diffusion flow membrane filter integrity test;Lower oval head is arranged below the buffer tank for large diffusion flow membrane filter integrity test;Tank body is arranged between upper oval head and lower oval head head;The length-diameter ratio of buffer tank is 1:1 to 20:1, buffer tank plays the role of gas uniform buffering, stable test pressure, improves the accuracy and reliability of test, solves the technical problem of the problem that when membrane filter is tested by automatic filter integrity tester in prior art, because diffusion flow is too large, and the upstream volume of membrane filter is small, so that the gas pressure in upstream volume drops too fast during test, and cannot be successfully tested.

The invention relates to a test method and device, computer equipment, a computer readable storage medium and a computer program product. The method comprises the following steps: acquiring a key interaction object in a target scene; based on the key interaction object, generating a business workflow, and performing an integrity test on the business workflow; under the condition that the integrity test is passed, extracting a target service node from the service workflow, and performing a context consistency test on the target service node; and under the condition that the context consistency test is passed, comparing a test result of the context consistency test with corresponding execution state information in the key interaction object to obtain a comparison result. Accurate testing can be carried out by adopting the method.

The application provides a glove health degree evaluation and residual life prediction method and device and a storage medium thereof, and belongs to the field of integrity testing. In view of the problem that existing testers cannot evaluate the aging trend of gloves and predict the residual life, the application obtains historical test data of the gloves and cleanses the abnormal data; the current health degree is calculated according to an initial reference value, a scrap threshold value and current test data; whether the effective historical data amount reaches a threshold value is judged, if not, a single degradation trend model is used for fitting prediction, and if yes, multiple degradation trend models are called in parallel for fitting, and a target degradation trend model is screened out based on a fitting goodness index to predict the residual life. The application can effectively quantify the health state of the gloves and is used for the prospective maintenance decision of gloves of high-cleanliness barrier equipment.

A fluid filtration system includes a single use filter removably mounted to a cabinet of a workstation. The upstream end of the single use filter is in fluid communication with a pump via a fluid supply conduit that includes a test junction. An integrity test device is supported by the cabinet and is in fluid communication with the upstream end of the single use filter via a test conduit fluidly connected to the single use filter via the test junction of the fluid supply conduit. The integrity test device adapted to be connected to a source of pressurized gas and to selectively direct a flow of pressurized gas through the test conduit and the single use filter to perform a test operation on the single use filter.

The application provides a disposable TFF system integrated with online filter integrity testing and a method, and belongs to the technical field of biopharmaceutical equipment. The application aims to solve the problems of existing technology, such as the need for external equipment for filter integrity testing, high risk of sterility, complicated operation, unreliable data and insufficient compliance. The system comprises: a disposable flow path assembly comprising a TFF filter, a sterile integrity test interface and an isolation valve; a hardware control module integrated with a built-in integrity test module and a sensor array; and a central control unit. The test flow path is physically isolated from the main process flow path through valve isolation. The whole process is automatically controlled through self-detection of the gas source, wetness verification, bidirectional pressure verification and automatic pressure relief, and an electronic report meeting the preset specifications is generated. The application realizes sterile, efficient and reliable online integrity testing, thereby improving production efficiency and compliance.

The present disclosure relates to a method for testing the integrity of one or more virus filter modules and to a filter device for carrying out the method, by means of which a step of detecting whether an intact virus filter module is present can be carried out in a fully automated manner for the first time. Multiple virus filtering modules can be tested in parallel at the same time, so that time is obviously saved during testing. Automation of the detection allows a reliable test, test results being reproducible, and the risk of damage to the hollow fibers by the test being reduced to a minimum. The integrity testing may be performed in the same filtering device in which virus filtering may also be performed between the integrity testing using the tested virus filtering module, the one or more virus filtering modules do not need to be assembled into a separate test system or removed from the separate test system each time.

The invention provides a disposable TFF system and method integrated with online filter integrity detection, belongs to the technical field of biopharmaceutical equipment, and aims to solve the problems that in the prior art, filter integrity testing needs external equipment, the sterile risk is high, operation is tedious, data is unreliable, and compliance is insufficient. The system comprises: a disposable flow path assembly comprising a TFF filter, a sterile integrity test interface, and an isolation valve; a built-in integrity test module and a hardware control module of a sensor array are integrated; and a central control unit. Physical isolation of a test flow path and a main process flow path is realized through valve isolation, and an electronic report conforming to a preset specification is generated through full-process automatic control of gas source self-inspection, wetting verification, bidirectional pressure verification and automatic pressure relief. According to the invention, sterile, efficient and reliable online integrity testing is realized, so that the production efficiency and compliance can be improved.

According to the pressure maintaining testing device, multiple sets of filters are fixed through the fixing assembly, the plug assembly is driven by the driving assembly to move towards the filters, the exhaust ports and the liquid outlets of the filters are blocked, and the liquid inlets of the filters are connected, the automation degree of the pressure maintaining testing device is improved through electrical control, operation is easy, the sealing performance is improved, and the testing efficiency is improved. And the requirements of filter integrity testing are met. The integrity test system comprising the pressure maintaining test device is convenient to use, high in test efficiency and high in practical value.

A method for providing an integrity test of a double filter capsule can include providing the double filter capsule in such a way that in a filtration process the medium to be filtered flows in its flow direction from an upstream chamber in the housing through a first filter into an intermediate chamber between the first filter and a second filter and then through the second filter to an outlet. The housing can have an upstream-chamber access point for feeding a test fluid into the upstream chamber and an intermediate-chamber access point for feeding the test fluid into the intermediate chamber. Additional steps can include providing a connecting line between the upstream-chamber access point and the intermediate-chamber access point and determining the state of integrity of the double filter capsule on the basis of at least two test phases.

The invention discloses a fluid filtering assembly, a fluid filtering system and an online integrity testing method.The fluid filtering assembly comprises a liquid inlet module, a liquid outlet module, a main fluid filter and a main air filter located on the upstream of the main fluid filter, and the liquid inlet module is connected with a first upstream part and a first upstream end in a sealed mode; the liquid inlet module can be communicated with the main fluid filter or the main air filter and is provided with a liquid inlet used for being connected with a wetting liquid source or a feed liquid source; the device further comprises a first avoiding module, and the first avoiding module is used in cooperation with the main air filter so that the test gas can only pass through the main air filter or only pass through the main fluid filter or sequentially pass through the main air filter and the main fluid filter. Therefore, the on-line integrity test of the main fluid filter and the main air fluid filter can be realized, and the tightness and sterility of each component before the material liquid is filtered can be ensured, so that the sterility requirement of the filtrate is met, the expensive filtrate waste is avoided, and the production efficiency is improved.

The application discloses a kind of sterilizing filter integrity test device, the sterilizing filter integrity test device includes: integrity tester, the integrity tester, the integrity tester is used to communicate compressed air;First filter, the first filter is communicated with the integrity tester by pipeline, and the first filter is used to filter gas;Second filter, the second filter is communicated with the first filter by pipeline, and the second filter is used to filter liquid;Buffer tank, the inlet of buffer tank is communicated with the second filter by pipeline, and the outlet of buffer tank is communicated with drain line by pipeline, and the pipeline of two components communicated is equipped with the valve door.The sterilizing filter integrity test device of the present application can avoid the risk of secondary pollution in offline testing and the risk of filter damage during work station transfer, and can improve the detection efficiency and the reliability of experimental results.

This application provides an integrity testing system and method for tubular membrane modules. The testing system includes a liquid path, a gas path, and a detection path. The liquid path provides a wetting liquid to the tubular membrane module, which forms a liquid film on the wall of the filter tube within the module. The gas path provides a pressure-measuring gas to the detection path, which includes a pressure gauge. The tubular membrane module is connected to the detection path. The liquid path and gas path are connected together at one end of the tubular membrane module, and the pressure gauge is connected to the other end. The pore diameter of the filter tube is not less than 0.45 μm, the viscosity of the wetting liquid is not less than 1.5 mPa·s, and the pressure of the pressure-measuring gas relative to atmospheric pressure is not less than 0.01 MPa. The integrity testing method for the tubular membrane module provided in this application includes: wetting the wall of the filter tube with the wetting liquid, forming a liquid film on the wall of the filter tube; and introducing the pressure-measuring gas from one end of the filter tube to detect the gas pressure at the other end of the filter tube.

This utility model discloses a shared device for sonic logging pipes and post-grouting pipes in engineering pile foundations. It includes multiple sonic logging and post-grouting pipes detachably installed on the stirrups of a reinforcing cage, and further includes: a plug detachably installed at the top of the shared pipes; and a grouting joint connected to the bottom of the shared pipes. Several grouting holes are drilled through the grouting joint, and each grouting hole outlet is equipped with an anti-clogging cap that can be opened and closed to reduce the probability of mud and sand entering the pile body and causing blockage. This utility model has a simple structure and a novel and reasonable design, achieving the dual purpose of serving as both an integrity testing channel and a grouting pipe. It prevents soil or gravel from entering the shared pipes and allows for more uniform injection of grouting material into them.