34results about How to "Test Specification" patented technology

The invention discloses an intelligent fat-reducing treadmill and a body building instruction method thereof. The intelligent fat-reducing treadmill is characterized by comprising a body fat rate measuring module, an exercising heart rate measuring module, a control and processing module, a man-machine interaction module, a power module and a treadmill body. The intelligent fat-reducing treadmill is capable of providing corresponding fat-reducing exercising schemes for different users, so that more humanized and intelligent body building purposes are achieved.

The invention discloses a test machine, in particular to an impact adsorption test machine, mainly for testing the impact adsorption property of sport floor and stage floor. The inventive comprises a connector (10) connected with a support rod (3), a guide rod connected above the connector (10), a weight (14) sheathed on the guide rod (12), a support plate (18) fixed on the upper end of the guide rod (12), a control device for lifting and releasing weight (14) arranged between the support plate (18) and the weight (14), a muffle (24) at a hole of the connector (10), a punch head (22) arranged under the muffle (24), a pressure sensor (26) between the punch head (22) and the muffle (24), a spring (25) in the muffle (24), and a bearing rod (11) supported in the muffle (24) via the spring (25). The invention can avoid artificial effect, standard test, accurate value, simple structure and easy operation.

Devices and methods to test high speed analog-to-digital and digital-to-analog signal converters are provided. According to one embodiment, a testing device can comprise an output, a mixer, and an input. The output can provide a signal, and the mixer can receive the signal and provide a test signal to a data converter having a sampling frequency. The test signal can be spectrally impure. The input can sample the data converter output at a frequency less the sampling frequency so that the data converter output is under sampled. According to another embodiment, a first set of data converters are tested to obtain a mapping function that relates dynamic specifications to device signatures. Then a second set of data converters can be tested and based on their device signatures mapped with the mapping function, dynamic specifications for the second set of data converters can be obtained. Other embodiments are also claimed and described.

The invention discloses an electronic controller test system and method. The system comprises an upper computer and a to-be-tested electronic controller, wherein the upper computer is connected with the to-be-tested electronic controller through a controller area network CAN bus; the upper computer is used for sending CAN bus data to the to-be-tested electronic controller; the to-be-tested electronic controller is used for classifying and analyzing the CAN bus data to obtain CAN information, generating a driving signal based on a constructed automobile open system architecture according to theCAN information, and executing the driving signal at a set period to obtain corresponding waveform data; and the upper computer is also used for generating a test result according to the waveform data corresponding to the driving signal. According to the technical scheme, the drive control function of the electronic controller is developed based on an automobile open system architecture, the testprocess of the electronic controller is standardized, different types of CAN bus data are analyzed respectively, and the test efficiency is improved.

The invention provides a rotary hydrostatic testing machine for steel bottles of liquefied gas, which comprises a horizontally arranged disc-shaped turntable (9); a plurality of test beds (1) for testing hydraulic pressure of the steel bottles are arranged on a position of the turntable (9) close to an outer edge in the circumferential direction; and the turntable (9) is also provided with a high-pressure hydraulic pump (2) connected with the test beds (1) through water pipes, a hydraulic station (4) connected with the test beds (1) through oil pipes, a self-rotating machine (5) used for driving the turntable to rotate, and a self-sucking pump (8) connected with the test beds (1) through water pipes. The prior (8hr) 600 steel bottles per shift are improved to 2,400 steel bottles per shift in hydrostatic tests for the steel bottles of liquefied gas. The rotary hydrostatic testing machine greatly lightens the labor intensity of operators; and the test process is more standard, and test results are more reliable.

The invention discloses an autism early-stage screening system based on smile normal form and audio and video behavior analysis, and the system comprises: a data collection module which is used for collecting audio and video data in the whole test process; a preprocessing module which is used for synchronously aligning the acquired audios and videos and marking the time and types of different comma stimulations in sections; a feature extraction module which is used for carrying out frame-by-frame analysis on the preprocessed data to obtain various features; a training classification module which is used for training a classifier for features extracted from the paragraph video data and training an autism risk coefficient prediction classifier model in the whole normal form; and a predictionmodule which is used for grading the extracted features by paragraphs by using a classifier model and grading the whole paradigm. The system is used for early screening of autism, so that a screeningtest is more standardized and structured, and test evaluation is more accurate and easier to read and explain.

The invention discloses a mutual inductor handover test switching device and a switching method thereof. The device comprises four sets of switching circuits, respectively a first group of secondary winding switching loop, a second group of secondary winding switching loop, a third group of secondary winding switching loop and a fourth group of secondary winding switching loop, each of the switching circuits comprises an I+ input end, an I-input end, a U+ input end, a U- input end, a first selector switch, a second selector switch, an output end E, an output end L and an output end D. The I+ input end and the U+ input end are connected to one end of a secondary winding of the transformer in parallel, the I- input end and the U- input end are connected to the other end of the secondary winding of the transformer in parallel, the I+ input end is connected to the output end D and the I- input end through a first selector switch, and the I- input end is connected to the output end E and the output end L through a second selector switch. According to the invention, the mutual inductor with no more than four groups of secondary windings can be tested, the switching loop is simple, the switching is convenient, the test during mutual inductor handover is rapidly realized, the test time is shortened, and the test efficiency is improved.

The invention discloses a mutual inductor handover test device and a test method thereof. The device comprises a test wire clamp, a switching device and a tester. The test wire clamp is connected to the input end of the switching device through a test wire. A test port of the switching device is connected to the tester, the test wire clamp can clamp a screw of a secondary side terminal of the mutual inductor, the switching device is used for connecting and short-circuiting a secondary winding of the mutual inductor, and the tester comprises an insulation resistance tester, a transformation ratio tester, a mutual inductor characteristic tester and a direct-current resistance tester. According to the invention, through using the test wire clamp, the switching device and different testers, the test wire clamp is connected with the switching device, the switching device is connected to the secondary winding of the mutual inductor at a time, various tests are achieved when the mutual inductor is handed over, the functions of open circuit, short circuit and grounding operation of the secondary side winding are rapidly completed only through switching of the switching device, the test time is shortened, and the test efficiency is improved.

The invention discloses a portable high-altitude hydrophobicity test tool for a transformer substation, and the tool comprises a test mechanism, an image collection module, and an insulating rod. Theimage acquisition module is fixed on the test mechanism. An insulating rod is fixedly connected below the test mechanism; a main body of the test mechanism is box-shaped; the insulating rod is fixedlyconnected with the lower surface of the test mechanism; the image acquisition module is positioned on the front surface of the test mechanism; the circumferential surface of the insulating rod is fixedly connected with a kettle bracket and a mobile phone bracket; and the kettle bracket is positioned between the mobile phone bracket and the test mechanism. The tool has the beneficial effects thatthe tool is reasonable in structure and convenient to use, the test process is simplified, the total test time is shortened, the working efficiency is improved, the test standard of a water spraying classification method is met, and the safety of the test process is ensured.

A semiconductor test equipment with concentric pogo towers is disclosed, which comprises a base, a tester head, an outer pogo tower, and an inner pogo tower. The inner pogo tower is concentrically received in the outer pogo tower, and a connecting slot of the inner pogo tower is correspondingly engaged with a connecting pin of the outer pogo tower. The outer pogo tower is fixed to the load board together with the inner pogo tower, whereby a plurality of outer pogo pins of the outer pogo tower and a plurality of inner pogo pins of the inner pogo tower are electrically connected to the load board respectively. Therefore, the present invention is capable of expanding the test specifications, but also to change rapidly from different test specifications through replacing a different probe card but without to modify any other hardware.

The invention discloses a comprehensive test bed of a lawn mower. The comprehensive test bed comprises a base, wherein a front wheel bracket for locating a front wheel of the lawn mower and a rear wheel drive mechanism matched with a rear wheel of the lawn mower are arranged at two ends of the base; the rear wheel drive mechanism comprises a bearing block which is fixedly arranged on the base and a transverse rotating shaft arranged on the bearing block; the transverse rotating shaft is provided with a roller which rotates synchronously with the transverse rotating shaft and is in contact fit with the rear wheel of the lawn mower; a power device for driving the transverse rotating shaft to rotate is arranged on the base; and a clutch is arranged between the transverse rotating shaft and the power device. The comprehensive test bed of the lawn mower can be used for carrying out an endurance test on a start-up system, a brake system and a drive and control system of the lawn mower, test parameters can be quantified, and the durability of a product can be normatively, scientifically, objectively and really reflected by the test processes and results.

The invention provides an automatic test method and device for automatic train monitoring system (ATS) interface, and the method comprises the steps: determining the configuration information of a first ATS peripheral interface, wherein the configuration information comprises a data analysis format, an interface type, a protocol type and a test message path; starting communication between the ATS and the first ATS peripheral interface; processing data received by the first ATS peripheral interface according to a data analysis format, an interface type and a protocol type to obtain a first data object; and obtaining a first test message corresponding to the first ATS peripheral interface based on the test message path, and matching the first test message with the first data object to obtain a test result. Different types of ATS peripheral interfaces can be integrated to realize unified automatic testing, the testing process is standardized, the workload is reduced, the testing efficiency is improved, the testing cost is reduced, the testing result is obtained in real time, and the accuracy of the testing result is improved.

The invention relates to an automatic test instrument for an Allen test. The problems of increasing identification efficacy and reducing the ratio of false negative or false positive in test results can be effectively solved. In the automatic test instrument, a tank body is formed by hinging a lower tank body and an upper tank body with the same caliber through a hinge, the upper tank body is of an opening and closing structure by taking the hinge as a shaft, corresponding electromagnet sucking discs are respectively arranged at the front four corners of the tank body, and the front joining part of the upper tank body and the lower tank body is provided with a wrist bonding hole; the front surface of the upper tank body is provided with a button switch, an observation hole is arranged on the top surface, and a power source, an assembly comprising an air compressor and an electromagnetic valve and a light source are arranged inside the upper tank body; and an air sac is arranged at the wrist bonding hole, the air sac is communicated with the air compressor via pipelines and the electromagnetic valve, and the power source is connected with an air compressor switch, an electromagnetic switch on the left air sac pipeline, an electromagnetic switch on the right air sac pipeline, an electromagnet sucking disc closing switch and the light source via a power source switch. The automatic test instrument has convenience for carrying and use, prominent observation topic, simple structure, low cost and easiness in operation.

The invention discloses a flow resistance testing device of a valveless piezoelectric pump. The device comprises a water tank, wherein the water tank is connected with the to-be-tested valveless piezoelectric pump through a liquid guide pipe, the liquid guide pipe is provided with a one-way valve, the water tank is separated into a water storage tank and a working water tank by a separating plate, the separating plate is provided with a water inlet hole, the side wall of the working water tank is provided with an outflow hole, the outflow hole is connected with the liquid guide pipe through the one-way valve, and the interior of the working water tank is provided with a water feed assembly which is used for controlling the opening and closing of the water inlet hole. Compared with the traditional flow resistance testing device, the flow resistance testing device of the valveless piezoelectric pump has the advantages that the automatic or semi-automatic water feed function is realized, and the stability and accuracy of test data are ensured; the distribution of test data points is uniform, and the action rule can be easily analyzed and researched; and the test process and the test method are more standard, the operation is simple, and the repetitiveness of the data points in certain position is better.

The invention provides a near field communication test system and method. The test system comprises an upper computer, a master chip and an analog front end. The analog front end carries out electromagnetic interaction with a matching device, thereby realizing near field communication. The master chip comprises a control unit and a processing unit. The control unit is connected with the upper computer, analyzes a command issued by the upper computer, recombines data and issues the data to the processing unit. The control unit and the processing unit are connected through adoption of an internal high speed interface. The processing unit modulates and demodulates the issued command and forms a control signal for controlling the analog front end. According to the system and the method provided by the invention, compatibility test of ISO/IEC14443-3/4-layer protocols is realized and physical performance test demands of various different types of near field communication terminal devices under different situations are satisfied, so the test of near field communication terminal performance is relatively standard, uniform and precise and has practical application value.