20results about How to "Meet the test" patented technology

The invention provides an abnormal sound test bed for a steering pull rod. The abnormal sound test bed comprises a base, a positioning table and an excitation mechanism, the positioning table and the shock excitation mechanism are fixedly connected with the upper side of the base, and the shock excitation mechanism is arranged on the x-direction side edge of the base; the vibration excitation mechanism comprises a fixing frame, a vibration frame, a driving assembly and a plurality of elastic connecting pieces, the driving assembly comprises a transmission end capable of vibrating in the x direction, the transmission end is fixedly connected with the vibration frame, and each elastic connecting piece comprises an elastic piece, a first connecting part and a second connecting part. The first connecting part and the second connecting part are connected with the fixing frame and the vibrating frame respectively and enable the elastic piece to be arranged perpendicular to the x direction, the vibrating frame is provided with an installation base face arranged perpendicular to the x direction, and a butt joint is fixedly connected to the installation base face. According to the invention, the elastic connecting piece is arranged to limit the vibration frame, so that the vibration frame can only vibrate in the x direction, and the accuracy of abnormal sound test is ensured.

The invention belongs to the field of terahertz frequency multiplier performance testing, and particularly relates to an efficient testing system and method for a millimeter wave terahertz frequency multiplier. According to the method, the vector network analyzer adjusts the port output power of external expansion devices such as an S parameter test module, a frequency multiplication source module or an amplifier, and meanwhile, the vector network analyzer completes a spectrum analysis function based on the S parameter test module. According to the method provided by the invention, a vector network analyzer host based on a microwave frequency band is matched with a frequency expansion module, so that efficient testing of various parameters of the frequency multiplier is realized.

The invention provides a liquid flow test device and method for a double-component nozzle assembly, and solves the problem of flow characteristic measurement under the condition of simultaneous radial liquid feeding of inner and outer nozzles in the double-component nozzle assembly, the liquid flow test device comprises a test upper shell, a test lower shell, a cushion block and a blanking cap, the upper testing shell comprises a first liquid inlet pipe nozzle, a pressing block and an annular body; the lower testing shell comprises a middle sleeve, a liquid collecting ring plate, a second liquid inlet pipe nozzle and a base; the cushion block is of a concave structure and is provided with a blind hole and a radial communicating hole; the upper end of the blanking cap makes contact with the lower end of the cushion block to achieve the sealing effect, and the lower end blocks an inner cavity of the inner nozzle and is higher than the upper end face of the inner nozzle. The upper end of the double-component nozzle assembly is located in the annular body, and the lower end penetrates through the base. The pressing block is arranged at the upper end of the middle sleeve and fixedly connected with the base. The device is compact in structure, firm in fixation and convenient to assemble and disassemble, and can meet the test of nozzle assemblies with various radial apertures.

The utility model discloses a special clamping table for a circuit board test tool. The special clamping table comprises a mounting plate, a clamping adjusting mechanism and an elastic clamping mechanism, the rear side of the upper surface of the mounting plate is fixedly connected with a clamping table, and the front side of the upper surface of the mounting plate is fixedly connected with supporting seats which are symmetrically distributed; the clamping adjusting mechanism is arranged at the front end of the clamping table, and the lower end of the clamping adjusting mechanism is fixedly connected with the upper ends of the two supporting seats; according to the clamping table special for the circuit board testing tool, through mechanical driving, stable downward pressing and clamping work can be conveniently carried out on a circuit board, the pressing position can be rapidly adjusted, the clamping table is suitable for most of circuit boards of different types, through spring rebounding and rubber gasket buffering, the clamping table is convenient to use, and the working efficiency is greatly improved. Damage to the circuit board when the circuit board is clamped and fixed is avoided, and testing of most of different types of circuit boards is met.

The utility model belongs to the technical field of avionics, and relates to Beidou No.3 positioning module detection equipment, which comprises an antenna assembly and a detector host, the detector host adopts a reinforced computer and is used for providing a power supply, a signal interface and man-machine interaction for the whole system; a Beidou command communication module and a Beidou forwarding module are arranged in the reinforced computer, and the reinforced computer is connected with a host computer module of the reinforced computer through an RS232 interface. The main computer module receives and transmits related commands through an RS232 interface, controls the Beidou command communication module and the Beidou forwarding module to work, obtains RNSS positioning information and RDSS short message information of the Beidou command module, and achieves signal gain adjustment of the Beidou forwarding module. The antenna assembly is used for transceiving data.

The present application discloses a test system and a test method for an electronic device. The test system for an electronic device includes a signal output device, a signal receiving device and a host computer. The signal output device is used to output a positive signal to a standard electronic device group and a negative signal to an electronic device group to be tested with the same specifications as the standard electronic device group, and the positive signal and the negative signal are opposite in phase and have the same energy level. During the test, the signal receiving device is in the same test space as the standard electronic device group and the electronic device group to be tested and is located in the middle of the standard electronic device group and the electronic device group to be tested, and is used to receive a wireless signal in the test space when the standard electronic device group receives a positive signal and the electronic device group to be tested receives a negative signal and each outputs a wireless signal. The host computer is used to compare the wireless signal with a preset wireless signal to determine whether the electronic device group to be tested meets the test requirements. Through the above method, the test efficiency of the electronic device can be improved.

The invention relates to the technical field of optical communication, in particular to a PON product multi-machine multi-service testing method and system and a storage medium. The testing method comprises the steps that a device to be tested and a testing environment are prepared, the device to be tested comprises a plurality of PON products, and the testing environment comprises a multi-machine server, an OLT, an AC Source and a network simulation device; configuring a power-on and power-off time sequence of the AC Source, and dynamically adjusting the power-on and power-off time sequence according to the power consumption characteristic of the to-be-tested equipment; and carrying out multi-machine multi-service configuration, including WAN interface, voice interface and VI D distribution. According to the test method, the multi-machine server and the automatic test program are used, so that the test efficiency and the spot test number of the product are greatly improved. Meanwhile, various parameters in the testing process can be monitored in real time through the testing system, and problems can be found and solved in time.

The utility model discloses a medicament mixing device, which relates to the technical field of medicament mixing, and comprises a shell, a first mixing cylinder is arranged in the shell, a second mixing cylinder is arranged in the shell on one side of the first mixing cylinder, inner cylinders are arranged in the first mixing cylinder and the second mixing cylinder, and the inner cylinders are arranged in the first mixing cylinder and the second mixing cylinder. Holes are formed in the bottom ends of the two inner barrels, a first stirring roller is arranged in the inner barrel of the first mixing barrel, a spiral stirring roller is arranged in the inner barrel of the second mixing barrel, and a wall scraping assembly is arranged on the outer surface of the upper portion of the spiral stirring roller; the bottom end of the first mixing cylinder and the bottom end of the second mixing cylinder are each provided with an independent discharging opening. By arranging a series of structures, the medicament mixing device can perform medicament mixing operation in different states according to different requirements of tumor growth intervention of traditional Chinese medicines in tumor research, so that the influence of heat generated by material friction and medicament reaction on medicament activity during medicament mixing is avoided.

The invention relates to an automatic power supply test system and method for a sensor product, and the system is used for automatically carrying out the power supply test of the sensor product, and the system comprises an upper computer which is used for controlling the output of a programmable power supply and obtaining a test result according to the collected output data of a to-be-tested sensor product; the programmable power supply is in communication connection with the upper computer and automatically realizes power supply control of the sensor product to be tested according to the power supply test sequence; and the communication device is respectively connected with the upper computer and the sensor product to be tested and is used for real-time communication between different types of output data of the sensor product to be tested and the upper computer. Compared with the prior art, the method has the advantages of product quality improvement, high adaptability, high expansibility, high detection efficiency and the like.

The invention discloses a full-automatic hydrogen storage adsorption instrument with a cycle life testing function. Wherein the upper and lower ends of the lifting device are fixed with the shell and drive the temperature control device to move up and down, the sample chamber is suspended below a top plate of the shell, and the sample chamber directly faces a sample insertion hole of the temperature control device; a sample containing part is formed in the center of the top end of the copper heat sink, and a cylindrical water containing cavity is defined by the copper heat sink and the shell on the outer side; a heating rod is arranged in the copper heat sink, and a thermocouple connected with a control system is mounted in the copper heat sink; cooling air channels are uniformly formed in the copper heat sink, and the two ends of each cooling air channel are connected with inflation equipment through an air inlet and an air outlet respectively; the control system comprises a cooling module. The integrated design of the water bath and the heating furnace is adopted, so that the trouble of replacing the water bath and the heating furnace is avoided, and accurate temperature control can be realized in different temperature intervals.

The invention discloses a high and low temperature torque test device for a hinge, which relates to the technical field of hinge testing, and comprises a thermal control component, a hinge component, a positioning component, a clamping component, a box component, a driving component and a testing component. The hinge component is placed on the top of the box component, the hinge component can be positioned by the positioning component, the hinge component can be clamped by the clamping component, the testing component can be driven by the driving component, the hinge component can be tested by the testing component, the hinge component, the testing component and the driving component can be heated by the thermal control component, the driving component drives the testing component, and then drives the hinge component to rotate. The invention can effectively obtain the history curves of the driving torque and friction resistance torque of the hinge component and the unfolding angle, and check whether the setting of the driving torque and the friction resistance torque are within the designed range. The invention has a compact structure and complete functions, and can meet the testing of various spacecraft hinges.

The utility model relates to a test bench which comprises an operation platform provided with a track; the fixing assembly is arranged on the track and used for being connected with the first end of the to-be-tested workpiece; the movable assembly is movably arranged on the track and used for being connected with the second end of the to-be-tested workpiece; the supporting assembly is arranged between the fixed assembly and the movable assembly and is used for placing a to-be-tested workpiece; the detection piece is used for detecting information of tension borne by the to-be-tested workpiece; and the control assembly is in signal connection with the detection piece and is used for receiving the tension information from the detection piece and controlling the movable assembly to move according to the tension information. According to the technical scheme, the technical problems that a traditional test bench is large in operation difficulty and low in safety are effectively solved.

A radar antenna test rotary table comprises a base, a rotary table body and a workbench, the rotary table body and a supporting seat are fixed to the upper portion of the base, the workbench is fixed to the upper portion of the rotary table body, and an angle scale is fixed to the outer side of the supporting seat; a transmission shaft of the rotating table is installed on the supporting base, the transmission shaft coaxially penetrates through the angle scale and then is provided with a hand wheel, and a pointer is coaxially fixed to the hand wheel. The hand wheel is rotated to drive the working table to rotate through the rotating table, and the rotating angle of the working table can be controlled through scales indicated on the angle scale by the pointer. The utility model aims to overcome the defects in the prior art.

The invention relates to the technical field of welding processing, and discloses a welding platform for welding processing, which comprises a detection mechanism, a translation mechanism, a lifting mechanism and an adjusting mechanism, the side surface of the detection mechanism is fixedly connected with the side surface of the translation mechanism, and the bottom end of the lifting mechanism is fixedly connected with the top end of the translation mechanism. The top end of the lifting mechanism is fixedly connected with the bottom end of the adjusting mechanism; a first motor drives a first rotating rod to rotate, a three-point clamping adjusting frame rotates in a vertical plane, so that the angle of a light source test piece in the vertical plane is adjusted, a second motor is started to drive a second rotating rod to rotate, and the second rotating rod drives the three-point clamping adjusting frame to rotate; therefore, the angle of the test light source piece in the water surface is adjusted, multi-angle measurement is carried out on the test light source piece, the device can be used for multi-angle and multi-direction test aiming at the light source, and the test of parameters such as luminous flux, ultraviolet radiation and color of the light source can be met.

The present invention relates to a virtualized integrated control system and method for a rail transit integrated backup disk, the system includes a programmable controller, the virtualized integrated control system also includes: an integrated backup disk drive module, an integrated monitoring system, an integrated monitoring subsystem simulation simulator, an interlocking acquisition drive module, a simulation platform interface middleware, and an integrated backup disk interface; the programmable controller is respectively connected to the integrated backup disk drive module and the integrated backup disk interface, the integrated backup disk drive module is connected to the interlocking acquisition drive module through the simulation platform interface middleware on the one hand, and is connected to the integrated monitoring system through the integrated monitoring subsystem simulation simulator on the other hand, and the programmable controller is also connected to a signal device. Compared with the prior art, the present invention has the advantages of high integration, cost and time saving, powerful functions, strong extensibility and versatility.

The invention discloses a test system and method capable of following a load EMB actuator, and the system simulates the load of parts related to the EMB actuator of a vehicle through a load cylinder module, eliminates the impact on the braking deceleration when a test is carried out on the whole vehicle in the prior art, and improves the test precision. The load cylinder module adjusts the following load pressure of the load cylinder module under the control of the calculation display module to realize load following, so that the calculation display module can be matched with the test module to accurately measure the thrust, displacement and speed of the EMB actuator; according to the invention, the calculation display module can control the test system to carry out corresponding adjustment according to the model of the EMB actuator to be measured, thereby avoiding the manpower and capital cost required for testing on a vehicle, shortening the test period, meeting the test of different EMB actuators, and improving the test efficiency. And the research, development and improvement speed of the EMB actuator is greatly improved.

The invention discloses a thermal adaptation coefficient measuring device, a measuring and calculating method and a thermal resistance calculating method. The device comprises an upper heat flow meter, a lower heat flow meter, a contact type displacement sensor, a heating assembly, a cold end circulation assembly, a supporting system, a pipeline assembly interface and a control system, wherein the upper heat flow meter and the lower heat flow meter are arranged in a vacuum cover; the control system is arranged outside the vacuum cover; the heating assembly and the cold end circulation assembly are respectively connected with a heat flow meter which is symmetrically arranged, and the end part of each heat flow meter is provided with a measurement test piece; the heat flow meter and the measurement test piece are connected with thermocouples; the contact type displacement sensor is arranged at the peripheries of the heat flow meter, the measurement test piece and the thermocouple; an external control system is connected to the interior of the vacuum cover through the pipeline assembly connector. The temperatures on the upper and lower heat flow meters and the test piece are accurately measured, the heat flow passing through the test piece and the heat flow meters is determined, the intermediate quantity is calculated through the temperatures on the test piece and the heat flow meters, and finally the thermal adaptation coefficient and the contact thermal resistance of the accurate calculation result are obtained.

The present invention discloses an automatic adjustment and fixing structure for the opening of an automobile accelerator pedal, which includes a device body, a first cavity and a second cavity are provided inside the device body, a first slide groove is provided at the top of the second cavity, a slider is slidably connected between the first slide grooves, a lifting rod is connected to the top of the slider, the top of the lifting rod passes through the device body wall and is movably connected to an adjustment plate, a spring is connected to the bottom end of the inner side of the device body, a sealing plate is connected to the top of the spring, a soft plate is connected between the sealing plate and the inner side wall of the device body, a second slide groove is provided on the inner side wall of the device body, the sealing plate is located in the second slide groove and can slide up and down, and a hydraulic rod is provided between the sealing plate and the inner side wall of the device body. The device can better adjust and fix the opening of the automobile accelerator pedal, and at the same time has a better automatic control function, which can better meet the testing of the automobile by the staff under different test conditions, and to a certain extent, facilitates the work of the relevant personnel.

The utility model belongs to the technical field of aviation aircrafts, and particularly relates to a portable alarm control box maintenance testing device which comprises an alarm control box body, a testing machine body and a handle, the testing machine body is movably placed in an inner cavity of the alarm control box body, the handle is fixed on the surface of the testing machine body, and a testing groove is formed in the surface of the testing machine body. A placement box is slidably arranged in an inner cavity of the test groove, the alarm control box body is placed in an inner cavity of the placement box, a rack is connected to the side wall of the placement box, and a driving gear is connected to the surface of the rack in a meshed mode; the pressing handle drives the driving gear to rotate through the transmission rod, the driving gear is connected with the rack in a meshed mode, the placing box can be pushed to move, rapid insertion and separation of the alarm control box body and the testing machine body can be achieved, the testing efficiency of the alarm control box body is improved, meanwhile, a testing opening and a connecting plug move horizontally when being inserted or pulled out, and the testing efficiency is improved. Therefore, shaking during plugging can be reduced, and protection of the test port and the plugging head can be improved.

The utility model discloses a kind of suspension magnetic pole test tool, comprising: base and be located on the suspension magnetic pole support part of base, suspension magnetic pole core probe, suspension magnetic pole winding probe and linear motor connection end, when needing to test suspension magnetic pole, suspension magnetic pole is placed on tool, to make suspension magnetic pole support part support suspension magnetic pole, while the core of suspension magnetic pole and suspension magnetic pole core probe contact, the winding of suspension magnetic pole and suspension magnetic pole winding probe contact, linear motor connection end is connected with the output end of suspension magnetic pole linear motor. Above structure is integrated on one tool, not only can realize quick connection with suspension magnetic pole, but also can meet each test of suspension magnetic pole, and then effectively improve test efficiency.