30results about How to "Simplify inspection steps" patented technology

An inspection method which simplifies an inspection step by eliminating the need to set probes on wiring or probe terminals, and an inspection device for performing the inspection step. A voltage is applied to each of inspected circuits or circuit elements to operate the same. Signal processing is performed on an output from each inspected circuit or circuit element during operation to form a signal (operation information signal) including information on the operating condition of the circuit or the circuit element. The operation information signal is amplified and the amplitude of an alternating current voltage separately input is modulated with the amplified operation information signal. The voltage of the modulated alternating current is read in a non-contact manner to determine whether the corresponding circuit or circuit element is non-defective or defective.

The present invention provides a rotary transformer inspection device which comprises a data acquisition component for acquiring a voltage digital signal and a current digital signal of a rotary transformer and a waveform signal of excitation voltage, a data processing component used for calculating the frequency of the excitation voltage according to the waveform signal of excitation voltage andcalculating parameters of the rotary transformer according to the digital signal obtained by the data acquisition component and the frequency of the excitation voltage. By using the device of the invention, the effects are that the overall structure is simplified, measuring equipment is greatly reduced, the cost is reduced, the testing of all inspection items can be realized, and the production efficiency can be greatly improved; digital testing means are used, and the reliability, stability and accuracy of inspection can be greatly improved. The invention also provides an inspection method using the above device, and the effects are that the inspection steps are simple, the method is practical, a calculation formula used in the inspection process is simple, the calculation speed is fast,and the accuracy is high.

The invention discloses a stealth earphone detector and detecting method, which comprises the following parts: AF electromagnetic emission part, fixed-rate emission circuit, acoustic wave receiving part, frequency-selective acoustic control circuit and main control circuit, wherein the main control circuit controls one or more acoustic frequency electric signal from fixed-rate emission circuit, which drives acoustic electromagnetic wave to send and receive acoustic electromagnetic wave of coil; the electromagnetic wave can be reduced into same-frequency sound by electronic stealth earphone within certain scale; when the microphone picks up sound to excite the frequency-selective acoustic control circuit, the main control circuit judges according to input electric signal of frequency-selective acoustic control circuit due to certain degree acoustic radiation from earphone outsides for electronic stealth earphone.

The invention relates to a miniature blood detector for rapidly detecting an acute myocardial infarction marker, and a detection method thereof. The miniature blood detector comprises a blood sample inlet (1), a blood separator (2), a serum sample outlet (3), an immunoadsorption reactor (4), a pH-sensitive field effect transistor (5) and a micro-current detection circuit (6); the blood sample is injected from the sample inlet (1), and flows through a blood separation membrane (9), serum enters the immunoadsorption reactor (4), an acute myocardial infarction marker antigen in the serum specifically binds to its antibody, and is cross-linked with an enzyme in order to cause the change of the pH value of a reaction solution in order to change the current signal of the pH-sensitive field effect transistor (5), the current signal is output by the micro-current detection circuit (6), and the concentration of the measured marker is displayed. The concentration of the acute myocardial infarction marker is detected by using whole blood as a biological sample, combining a membrane separation technology with a micro biosensor element, integrating the blood separation membrane with the micropH-sensitive field effect transistor, performing an electronic enzyme-linked immunosorbent reaction and adopting current response as an output in order to quickly and easily achieve clinical detectionof acute myocardial infarction.

The invention relates to a thin-layer identification method for vitality-preserving soup and similar formula extracts and preparations thereof which can be used for identifying main medicines such as ginseng, astragalus membranaceus and liquorice in the vitality-preserving soup and the similar formula extracts and preparations thereof at the same time, avoids independent sample preparation, plate application, development, color development and inspection of three medicines, and the method is simple to operate, short in detection period and high in inspection efficiency. A thin-layer chromatogram obtained by the method is good in separation degree and clear in spot color development, and the use of irritant reagents such as ammonia water, trichloromethane and glacial acetic acid is avoided.

The invention discloses a bridge warning device which is convenient to maintain and comprises a mounting seat, wherein the mounting seat is provided with an embedded part, an insertion groove is formed in the mounting seat, the insertion groove is connected with an energizing passage through an arc-shaped guide rail, a first conductive sheet is installed inside the energizing groove, a clamping block is arranged at the front end of the arc-shaped guide rail, a rubber waterproof gasket is arranged at the front end of the clamping block, the energizing groove is internally connected with an inserting block, a second conductive sheet is installed on the inserting block, the right side of the inserting block is fixedly connected with a sliding block, the upper part of the sliding block is connected with a pressing block, the upper part of the pressing block is provided with a waterproof rubber cover, the waterproof rubber cover is fixedly connected with a housing, a telescopic rod is mounted on the sliding block, and a spring and a spring sleeve are mounted on the telescopic rod. As for the bridge warning device, the mounting base is embedded in a bridge body, and a warning screen is mounted on the mounting base by means of snap connection, thereby solving the problems of the low installation efficiency due to the use of screws and the negative impact of the slow speed of overall maintenance on traffic.

The invention relates to the field of biological experiments, in particular to chlortetracycline hydrochloride bacterial endotoxin inspection equipment and method. The chlortetracycline hydrochloridebacterial endotoxin inspection equipment comprises a standard liquid preparation device, a test solution preparation device and a tachypleus amebocyte lysate preparation device; the standard liquid preparation device comprises a first fixed frame; one side of the first fixed frame is fixedly connected with a first mixing chamber; an opening tube on the top of the first mixing chamber is internallyprovided with a first water filter membrane; the opening tube on the top of the first mixing chamber is provided with an end cover; the side wall of an opening tube at the upper part of the first water filter membrane is provided with a dissolved water supply tube which is connected with an external supply end in a communicating manner; and the dissolved water supply tube is provided with a dissolution flowrate valve. The chlortetracycline hydrochloride bacterial endotoxin inspection equipment is reasonable in structure design and simple in inspection step, can rapidly and accurately performaccurate judgement on the content of chlortetracycline hydrochloride bacterial endotoxin, more effectively meets the demands of people and solves the problem in the prior art.

The invention provides a sampling vessel for thermal analysis of molten metal in which the time required for analysis can be shortened and the temperature change rate in eutectic can be reduced as compared with a conventional sampling vessel, so that the eutectic temperature can be obtained easily accurately for a short time. In order to realize the above, the diameter D of a sample chamber 11 is set to be in the range of 16 to 24 mm, the depth L of the sample chamber is set to be 36 mm or more, and the distance LS from an opening 11a of the sample chamber 11 to a temperature sensor 2 is set to be in the range of 7 to 22 mm. Accordingly, the time required for the temperature to reach the eutectic point can be shortened, and the gradient of a cooling curve in eutectic can be reduced.

The invention relates to probes and a gene chip for pseudomonas aeruginosa nucleic acid detection, and a kit. The invention discloses a group of probes for pseudomonas aeruginosa detection, includingbacterial PAK gene probes 1 and 2 of which the sequences are respectively SEQ ID NO.1 and 2 as well as bacterial Pf4 gene probes 1 and 2 of which the sequences are respectively SEQ ID NO.3 and 4. Theinvention also discloses the gene chip containing the probes and the kit of the gene chip. By optically amplifying hybridization signals through visible light, the signals have a high resolution and can be directly identified. The probes, the gene chip and the kit disclosed by the invention have the advantages that the operation is simple, the manufacturing cost is low, the results are easy to read, on-site quick detection requirements of hospital clinics are met, and the results are accurate and reliable.

The invention discloses a set of probes for TORCH detection. The probes comprise the following components: a Toxoplasma Gondii TOX probe 1 and 2, wherein the sequences respectively are SEQ ID No.1-2;a rubella virus RV probe 1 and 2, wherein the sequences respectively are SEQ ID No.3-4; cytomegalovirus TOX probe 1 and 2, wherein the sequences respectively are SEQ ID No.5-6; herpes simplex virus Itype HSV I probe 1 and 2, wherein the sequences respectively are SEQ ID No.7-8; herpes simplex virus II type HSV II probe 1 and 2, wherein the sequences respectively are SEQ ID No.9-10. The inventionalso discloses a gene chip, a kit and a detection method thereof containing the probes. Optical amplification of hybridization signals with visible light is carried out, signal resolution is high, andthe signals can be directly interpreted. The probes have the advantages of simple operation, low cost, and easy reading of results; clinic on-site rapid detection demands of hospital are satisfied, and the results are accurate and reliable.

The invention discloses a consistency check method applied to a matrix. The consistency check method applied to the matrix comprises the steps of (a) calculating and judging product of elements of each row of the matrix, (b) calculating the nth root of Mi, (c) carrying out standard processing, (d) calculating and judging the maximum characteristic root of the matrix, and (e) carrying out consistency check, wherein the consistency check comprises the steps of calculating consistency indexes, calculating and judging random consistency indexes of the matrix, and calculating the random consistency rate. According to the consistency check method, check can be carried out on the consistency of the matrix fast, check steps are simple, check results are accurate, and check cost is lowered greatly.