201results about How to "Easy and fast testing" patented technology

A static characteristic test device for radial magnetic bearings mainly comprises a loading and measuring mechanism, a tested radial magnetic bearing, rotor limiting and measuring mechanisms and a stator fixing mechanism. The static characteristic test device is characterized in that the loading and measuring mechanism comprises a locking nut, a loading screw cap, a loading screw rod, a sleeve end cap, a deep grove ball bearing, a sleeve, a small nut, a shifting rod, a thrust plate, an ergometer, a U-shaped rotor pushing rod, a loading clamp and a loading base; the tested radial magnetic bearing comprises a rotor and a stator; each rotor limiting and measuring mechanism comprises displacement sensor probes, a rotor radial shifting rod, acetal resin sheets, an upper pressure block, a U-shaped base and a U-shaped base supporting seat; the stator fixing mechanism comprises an upper V-shaped block, a pressure rod, an adjusting nut, lower half V-shaped blocks, a guide rail seat, locking nuts, pressure strips, nuts, screw rods and a base. The static characteristic test device for the radial magnetic bearings has the advantages of wide measurement range, convenience in adjustment, simplicity in operation, precision of measurement results and the like.

An axial magnetic bearing static characteristic testing device is mainly composed of a loading and measuring system, a tested axial magnetic bearing, an axial rotor sliding mechanism and a stator fixing mechanism. The axial magnetic bearing static characteristic testing device is characterized in that the loading and measuring system comprises a locking nut, a loading rotary cover, a loading screw rod, a sleeve end cover, deep groove ball bearings, a sleeve, small nuts, a moving rod, thrust plates, a forcemeter, displacement sensors, a loading clamp and a loading base; the tested axial magnetic bearing comprises a rotor and a stator; the axial rotor sliding mechanism comprises upper pressing blocks, an upper pressing block press rod, an upper pressing block press nut, a transition plate, a slider, slide rails, a slide rail base, end plates, slide rail mounting bases and an axial rotor moving rod; the stator fixing mechanism comprises an upper V-shaped block, press rods, adjusting nuts, lower half V-shaped blocks, a guide rail seat, locking screws, press bars, nuts, screw rods and a base. The testing device has the advantages that the measuring process is simple and quick, and measuring results are precise.

The invention provides a testing method for an MIPI full high definition liquid crystal display. The testing method for the MIPI full high definition liquid crystal display comprises: step 1, a full high definition liquid crystal display test fixture applying an EP2C5Q208C8N chip and an SSD2826 chip is provided, wherein the test fixture comprises a testing module and an MIPI module; step 2, a liquid crystal display to be tested is electrically connected with a backlight driving module and the MIPI module; step 3, a power supply is powered on, a microprocessor detects the backlight driving module, a liquid crystal driving module and a signal conversion module; step 4, if any abnormity is detected, an alarm for prompting is issued, if no abnormity is detected, initialization is performed on the modules; step 5, the liquid crystal driving module initializes the liquid crystal display to be tested; step 6, the signal conversion module converts RGB (red, green and blue) signals transmitted by the microprocessor into MIPI signals and transmits the MIPI signals to the liquid crystal display to be tested, and the liquid crystal display to be tested displays a corresponding image; step 7, whether the liquid crystal display to be tested is qualified or not is judged according to the image.

The present invention relates to a simple, rapid, and cost-effective test kit for detecting bacterial endotoxin in aqueous solutions, such as water for dialysis or dialysate, using an endotoxin-activatable clotting agent-based gel clot assay which can be applied at ambient temperature. The present invention also relates to a method of detecting endotoxin in aqueous solution with use of the test kit.

The invention relates to a method to test the constitution of hydrogenation tail oil paraffin group by near infrared optical spectrum. It builds up models of paraffin, alkane, and isoalkane by alkene cracking device, and aromatics reformer and oil refining hydrogenation unit. And the content of paraffin, alkane, and isoalkane would be calculated by using the models. It has the advantages of convenient, rapid and accurate.

A solar cell testing apparatus including a stage, a movable chuck, a light source and a plurality of probes is provided. The movable chuck is disposed on the stage and capable of carrying a sample sheet to move. The sample sheet has a light incident side, a rear side opposite to the light incident side, and a plurality of electrodes disposed on the rear side. The light source is disposed above the stage and capable of providing testing light to the light incident side of the sample sheet. The probes are located on the rear side of the sample sheet and capable of contacting the electrodes of the sample sheet. The present invention not only can be used to test a substrate type solar cell, but also can be used to test a superstrate type solar cell.

The invention discloses an automatic startup and shutdown device which is applied to a startup and shutdown test of an electronic product provided with power supply equipment. The automatic startup and shutdown device is connected with a product to be detected; and the automatic startup and shutdown device further comprises a power supply module, a serial port module, a single chip microcomputer module and a display module. According to the automatic startup and shutdown device, a startup and shutdown state can be finished through controlling the switching-on / off of a power supply and a plurality of times of automatic startup and shutdown tests for long time can be finished, so that double hands of a tester can be released and the performance of a product can be efficiently tested; whether startup is finished or not is determined through collecting serial port characters, and correct startup and shutdown times and wrong startup and shutdown times are recorded; and the performance of the product can be accurately found, and the startup and shutdown times and the service life of the electronic product can be simply and rapidly tested.

The invention discloses a detection device of a characteristic of smoldering. The detection device comprises a heating furnace, a sample frame for holding test samples, two temperature sensors and a temperature control system, wherein the heating furnace comprises a heating furnace pipe, a heating resistance belt and a cylindrical pipe; the heating furnace pipe is arranged at the central part of the cylindrical pipe; the heating resistance belt is uniformly wound around the heating furnace pipe; an air flow stabilizer is connected to the bottom part of the heating furnace; an airflow cover is connected to the top part of the heating furnace; the sample frame is positioned in the heating furnace; one temperature sensor is positioned at the center of the sample frame and the other temperature sensor is positioned between the sample frame and the inner wall of the heating furnace; and the heating resistance belt and the temperature sensors are electrically connected with the temperature control system.

The invention relates to an LED chip test fixture, a test method and a test system. The LED chip test fixture provides a substrate on which a test electrode is laid, an electrolyte layer on the substrate is attached to a chip film on which LED chips arranged in an array manner are laid, therefore, a positive test electrode and a negative test electrode are respectively aligned with the corresponding electrodes of the LED chip to be tested. The LED chip test fixture is advantaged in that an LED chip testing jig can be used for testing the photoelectric characteristics of a large number of LED chips, and the LED chip testing jig is convenient, simple and high in accuracy.

The invention discloses a performance testing method for a broken stone sealing layer. The method comprises the following steps: making the broken stone sealing layers having a same area on a cushionblock, weighing the test piece on the broken stone sealing layer and recording a weight value as m0, wherein the size of the cushion block is smaller than the size of an asphalt mixture rutting plate,and placing the surface of the broken stone sealing layer upward in a wheel track tape of the rutting plate; fixing a positive surface of the broken stone sealing layer at center of the wheel track tape of the rutting plate, carrying out a rutting test, immediately removing the test piece on the broken stone sealing layer after test is finished, weighing the test piece and recording the weight value as m1, placing the surface of the broken stone sealing layer downward to dried fine sands at the temperature of 60 DEG C, performing standing for a while and taking the test piece out, removing superfluous sands and weighing the test piece, and recording the weight value as m2, and using a difference value of m2 and m1 to symptom the asphalt flushing degree of the broken stone sealing layer. The invention also discloses an asphalt amount determination method of the broken stone sealing layer. The method effectively solves the problem of difficult quantitative determination of the asphalt flushing degree of the broken stone sealing layer, the asphalt amount is more accurate, and the test process is simple.

The invention relates to a measuring device, and particularly relates to a PCB bending resistance measuring device for LED production. The invention provides a PCB bending resistance measuring devicefor LED production, and the PCB bending resistance measuring device has a relatively complete automatic test flow. The PCB bending resistance measuring device for LED production comprises supporting legs, a bottom plate and a collecting frame, wherein the bottom plate is arranged at the top of the supporting legs, the collecting frame is arranged at the bottom of the bottom plate, and a clamping mechanism and a pressing mechanism are arranged on the bottom plate. According to the invention, the clamping mechanism and the pressing mechanism are arranged, the clamping mechanism can fix the PCB,the pressing mechanism can test the bending resistance of the PCB, and the effect of simply and conveniently testing the PCB is achieved; and the device is provided with a rotating mechanism, the rotating mechanism is matched with the pressing mechanism, the rotating mechanism can drive the clamping mechanism to move to the position below the pressing mechanism, and the automatic feeding effect isachieved.