60results about How to "Detection reliability" patented technology

The invention discloses an electric vehicle vibration integrated test platform which comprises a support frame (1), a front wheel support (2), a rear wheel support (3), and an electronic control device (4). The front wheel support is equipped with a front roller (21) driven by a front roller drive (22) and a front axle locating mechanism (23). The rear wheel support is equipped with two sets of rear rollers (31) driven by rear roller drives (32) and rear axle locating mechanisms (33), which are arranged in bilateral symmetry. The front roller drive and the rear roller drives are connected with the corresponding rollers through torque sensors. The controller of the electronic control device is electrically connected with a front roller drive motor, a rear roller drive motor and the torque sensors. The electric vehicle vibration integrated test platform is easy to operate. Off-site road test conditions can be simulated indoors. Test items can be completed under the premise of ensuring automatic and accurate test data acquisition. The electric vehicle vibration integrated test platform is especially suitable for operation test of electric tricycles or electric four-wheelers.

The invention discloses a detector for the three-dimensional deformation precision of an intelligent driving type measuring instrument and a detection method. The detector comprises a platform, a guide rail system, a driving system connected with the guide rail system, a control system used for controlling the driving system and a detection platform which is arranged on the guide rail system and used for installing a measuring instrument. The detection method comprises the steps of first, acquiring initial actual measurement coordinates and resetting initial display coordinates to zero; second, adjusting the three-dimensional deformation precision detector; third, acquiring nth actual measurement coordinates and nth display coordinates; fourth, calculating a current actual measurement coordinate variation, a current display coordinate variation and a current difference; fifth, performing data storage; sixth, repeating the step two to the step five for n times; and seventh, calculating the precision of the measuring instrument. The detector is simple in structure and reasonable in design, the coordinate displacement of the measuring instrument in a three-dimensional space is adjusted by adopting an intelligent control driving device, and the reliability and the accuracy of the measurement precision of the measuring instrument while three-dimensional deformation monitoring is performed are detected.

The invention provides a self-checking circuit for a photosensitive element. The self-checking circuit comprises a photosensitive sensor, a light source and a micro processor, wherein the light source is arranged within a photosensitive range of the photosensitive sensor and used for providing a detecting light source for the photosensitive sensor in a self-checking process of the photosensitive sensor; the micro processor is connected to the light source and used for controlling the light source to switch on for realizing the self-checking process of the photosensitive element. The invention further provides a self-checking method and a self-checking system for a photosensitive element as well as an air conditioner. According to the technical scheme adopted by the invention, the self-checking process of the photosensitive element is realized so as to conveniently judge whether the photosensitive element effectively works or not; besides, the reliability of the photosensitive element is timely judged, so that the micro processor can be used for accurately obtaining a test signal of the photosensitive element and accurately controlling a functional module.

The invention provides a sliding rail assembling system and a sliding rail assembling method using the same. The sliding rail assembling system comprises a base station, a lifting mechanism, a pressure sensor, a displacement sensor and a controller, wherein stations where automobile sliding rails are placed are arranged on the base station, a punching device is arranged on the lifting mechanism in a matched mode and the lifting mechanism can be controlled to move up and down; the pressure sensor is used for detecting the punching force produced when the punching device works; the displacement sensor is used for detecting the displacement generated when the punching device works; the controller is used for controlling the lifting mechanism to drive the punching device to carry out punching installation on an automobile sliding rail shaft and a supporting piece. According to the sliding rail assembling system and the sliding rail assembling method using the same, due to the fact that the controller controls the lifting mechanism to drive the punching device to carry out punching fixing on the matching position of the sliding rail shaft on the stations of the base station and the supporting piece, the fixing effect is good and cost is low; in addition, due to the fact that the punching force and displacement generated when the punching device works are detected by the arranged displacement sensor and the arranged pressure sensor respectively, the accuracy during the installation of the sliding rail assembling system can be detected.

The invention provides a vehicle-mounted test device for detecting reliability of a forklift pedal mechanism. The vehicle-mounted test device comprises a support, a force application mechanism is connected at the top end of the support and comprises an air cylinder support movably connected at the top end of the support, an executing air cylinder is fixedly arranged on the air cylinder support, an induction magnetic ring is arranged in the executing air cylinder, two limit electromagnetic switches are arranged outside the executing air cylinder, an end of a piston rod of the executing air cylinder is connected with a spindle of a wheel, the wheel is arranged in a groove in a rail plate and rolls in the same, a rod cavity and a rodless cavity of the executing air cylinder are connected with two air outlets of an electromagnetic reversing valve respectively through air pipes, and the limit electromagnetic switches are connected with the controller respectively through cables. The vehicle-mounted test device is detachable and is mounted on the forklift pedal mechanism for detecting, so that the pedal mechanism is tested under the condition closest to the actuality, detecting accuracy is improved and reliability of a forklift brake system is guaranteed.

A cable electricity leakage detection device comprises a rack. A bearing table is arranged on the rack. A detection mechanism is arranged on the bearing table. The cable electricity leakage detection device is characterized in that the detection mechanism comprises a plurality of contacts, wherein the contacts are distributed on the bearing face of the bearing table, are electrically connected with one another and can move freely within a certain range; the detection mechanism is also provided with a signal source and a signal receiver, wherein the signal source is insulated from the contacts and is electrically connected with a cable to be detected, and the signal receiver is electrically connected with the contacts. The cable electricity leakage detection device is high in detection accuracy, accurate in detection result, free of damage to the surface of the cable and high in reliability.

In current urban waterlogging monitoring work, a mode that work personnel of departments like traffic police, drainage, road and so on are all on-the-job with close observation is mainly used. When emergent extreme rainy weather occurs, waterlogging situations of each place in large area urban regionss are difficult to comprehensively understand, and real-time early warning is difficult to perform in the waterlogging situations of each road segment. A GSM system is a mobile communication system based on a time division multiple access technology and matures in development, and the GSM system is widely applied in all cities basically. The monitoring system is designed in a GSM short message data transmission mode so that the system is not high in operation cost, wide in application range, convenient in device installation, and thus the system is suitable for long-time and low-flow data monitoring on emergent events with wide distribution of the regions. The urban waterlogging monitoring system, of which data transmission is realized via GSM short messages, is constructed on the basis of TC35i and C8051F320 so that remote monitoring and statistic analysis can be realized, reliability is high and cost is low.

The invention provides a hydraulic heavy load mechanical arm augmented reality operation control system which comprises an site image information acquisition module, a man-machine interaction operating module, a MySQL database module, a cloud server module, a data visualization module, an anticollision detecting module, a data integration module and an emergency stop module; the site image information acquisition module is used for acquiring the image information of field operation and the spatial position information of a target object; the man-machine interaction operating module is used forenabling an operator to get involved in the operation procedure; the MySQL database module is used for storing the user information, the image information and the path planning information; the cloudserver module is used for generating a target model at the cloud terminal and combining the path planning information to calculate the path according to the operating task; the data visualization module is used for displaying the data analysis result on an operating interface; the anticollision detecting module is used for verifying whether the calculated path can be carried out safely and reliably on the aspect of model data; the data integration module is used for writing the verified reliable data in data frames according to the protocol requirements; and the emergency stop module is usedfor disconnecting control over the mechanical arm immediately in an emergency situation. The hydraulic heavy load mechanical arm augmented reality operation control system can improve the operating intelligence, operating friendliness and reliability of the mechanical arm.

The invention relates to the technical field of hydraulic support testing and discloses a hydraulic support testing device for simulating operating conditions of an inclined coal seam and detecting tilting and slipping prevention performances, stability and reliability of a hydraulic support in the inclined coal seam. The hydraulic support testing device comprises carrier roller devices, roller discs and a body frame, the carrier roller devices are fixedly arranged on a foundation, the roller discs are rotationally mounted on the carrier roller devices, and the body frame is arranged on lateral sides of the roller discs. The body frame comprises a base, a top beam and vertical columns, wherein the base is fixedly connected with the roller discs, the top beam is fixedly connected with the roller discs, and the vertical columns are connected between the base and the top beam. The hydraulic support testing device further comprises a moving platform, guide rails and a loading platform, wherein the moving platform is in slide connection with the vertical columns, the guide rails are arranged on the moving platform and perpendicular to the vertical columns, the loading platform is in slide connection with the guide rails, and a testing space for hydraulic supporting testing is formed between the loading platform and the base. By the technical scheme, a tested hydraulic support can berotated to a tilting angle corresponding to the inclined coal seam, and complex loading of the hydraulic support is realized.

The invention discloses a reliability testing device for ablation-resistant materials, and relates to the technical field of reliability detection. Ablation impact detection on ablation-resistant heat-insulation materials for a short time and with a variable load is mainly carried out. The reliability testing device for the ablation-resistant materials is mainly composed of three components of a combustion chamber, a spray pipe seat and spray pipes, high-temperature and high-pressure gas generated in the combustion chamber is used for turning by 90 degrees in the spray pipe seat to ablate andimpact the ablation-resistant materials, and by replacing the spray pipes with different throat diameters, the reliability of the ablation-resistant materials under the combined effect of different pressure and temperature can be simulated. The reliability testing device has a simple result and can perform ablation impact detection on test pieces in a short time, and the device is internally coated with a heat insulation layer, so that the service life of the reliability testing device is greatly guaranteed; and in addition, the types and sizes of propellants used in the combustion chamber aredifferent, the ablation impact detection under different working pressure and time can be simulated, more comprehensive testing can be carried out on the test pieces, and the efficiency of the reliability test of the ablation-resistant materials is greatly improved.

The invention provides a reliability tester for aluminum electrolytic capacitors, and relates to the technical field of electrolytic capacitors. The reliability tester comprises a power-frequency alternating current source, a power-frequency rectifier and filter module, an inverter module, a high-frequency rectifier and filter module and a pulse conversion module which are connected in sequence. The pulse conversion module is connected with an electrolytic capacitor to be tested. The reliability tester further comprises a direct voltage and current detection module and a pulsed voltage and current detection module. The direct voltage and current detection module is connected to the high-frequency rectifier and filter module. The pulsed voltage and current detection module is connected to the electrolytic capacitor to be tested. The power-frequency alternating current source, the inverter module, the direct voltage and current detection module, the pulse conversion module and the pulsed voltage and current detection module are connected to a control board. The control board is connected with an operation panel. By superposing a direct voltage and a pulsed voltage during experiment to simulate the working condition of the electrolytic capacitor to be tested, the use reliability of the electrolytic capacitor to be tested is detected.

The invention discloses a production testing device and method for a non-full-tube flowmeter. The device comprises a measurement channel which is horizontally arranged, one end of the measurement channel is connected with a water supply device, the other end of the measurement channel is connected with a measurement device, and the measurement device comprises a liquid volume measurement device and a liquid weight measurement device. The water supply device is used for providing water in the testing process and ensuring the constant water pressure; the measurement channel is horizontally arranged, so that the stability of the water flow is ensured, and problems of inaccurate measurement and test failure caused by water flow fluctuation and wave generation are solved. The measurement devicecan adopt both volume measurement and weight measurement, the volume measurement is convenient for a measurer to directly read the number, and the weight measurement is convenient for realizing automatic result output.

The invention discloses an on-line quality detection system, and belongs to the technical field of paper plate manufacturing. When a paper plate is shown, the paper plate is assembled into a paper plate rack so as to enable clients to know stereo information and strength of the paper plate, and the reliability detection on a corrugated paper plate and a display stand can be realized. The on-line quality detection system comprises adhesion qualification detection equipment and the display stand; the display stand comprises a plurality of corrugated paper plates and a plurality of fixed connecting pieces connected with the corrugated paper plates; each of the corrugated paper plates comprises a paper pipe plate, a surface paper plate 1, a corrugated paper plate 1, a corrugated paper plate 2and a surface paper plate 2; each of the paper pipe plate comprises a transverse paper pipe plate 1, a longitudinal paper pipe plate and a transverse paper pipe plate 2; the surface paper plates 1, the corrugated paper plates 1, the transverse paper pipe plates 1, the longitudinal paper pipe plates, the transverse paper pipe plates 2, the corrugated paper plates 2 and the surface paper plates 2 are sequentially adhered in a laminated manner from bottom to top and are fixedly connected.

The invention provides an air traffic control voice multi-channel automatic test system. The system comprises a hardware control box, test software, a radio comprehensive tester, an interface card anda test computer. The test computer is provided with application software and a radio comprehensive tester driving program. By means of an advanced R&S CMA180 radio comprehensive tester and matched software and hardware which are independently researched and developed, the system can be applied to automatic testing of voice channels of equipment such as an air traffic control interphone and avery high frequency radio station, breaks through a limitation that conventional voice testing mainly aims at a single seat, a single channel and single equipment, can be expanded to 10 channels to the maximum extent, reduces human intervention, and improves test accuracy, reliability and working efficiency. Configuration can be selected according to equipment characteristics, more abundant test means are provided, safe and reliable operation of the air traffic control ground-air communication equipment is effectively guaranteed, and a high application value and economic benefits are achieved.

The invention relates to a rapid detection device and detection method for the reliability of a lithium battery current cut-off device, and the device comprises a pedestal, a vertical column, a lead screw, a stepping motor, a workbench, a main shaft box, a laser range finder, and a drill bit suite. The stepping motor is in transmission fit with the lead screw. The laser range finder obtains vertical distance information and corresponding position information between the spindle box and the workbench; and the drill bit suite is detachably connected into the drill bit interface, so that punching on the top cover of the battery sample is realized, the current cut-off device is triggered in a programmed physical mode, and the reliability of the current cut-off device is detected under the condition that no gas is generated in the battery. Compared with the prior art, by designing the special drilling device, the reliability of the current cut-off device (CID) of the cylindrical lithium battery finished product can be directly detected, the use is rapid, convenient, simple and efficient, and the device is suitable for second-party and third-party quality inspection and detection of the cylindrical lithium battery product.

A hardware-in-the-loop detection system for software reliability and safety of acquisition terminal is disclosed, in accordance with that present invention, the hardware-in-the-loop detection system for software reliability and safety of the acquisition terminal provided by the invention, the program of the terminal is downloaded to the control chip of the acquisition terminal, sending a peripheral program of the detected acquisition terminal to the FPGA simulation module through the host computer, FPGA simulation module control that channel selection conversion module through 485 circuit control MCU, Then, the host computer sends commands to the FPGA simulation module to make the FPGA simulation module simulate the peripheral equipment of the acquisition terminal, so as to simulate various peripheral equipment to verify the accuracy of the program in the control chip of the terminal, and at the same time, it can detect the reliability of the acquisition terminal software which has been working for many years. The invention does not need the program provided by the manufacturer, and only the chip for downloading the program can be detected, so as to protect the core interests of the manufacturer.

The invention provides a power supply fault simulation device and a power supply fault simulation method. The power supply fault simulation device comprises an upper computer, an excitation power supply and fault injection equipment. A main power supply for supplying power to a power supply network and the excitation power supply are connected with the power supply network through the fault injection equipment. The excitation power supply and the fault injection equipment are connected with the upper computer. The upper computer transmits the voltage parameter to the excitation power supply. The upper computer transmits the connection parameter to the fault injection equipment. The excitation power supply outputs voltage according to the voltage parameter. The fault injection equipment controls the connection between the excitation power supply and the power supply network according to the connection parameter and controls the connection between the main power supply and the power supply network according to the connection parameter. The voltage is outputted according to the voltage parameter through the excitation power supply, and the fault injection equipment controls the connection between the excitation power supply and the power supply network according to the connection parameter and simulates the possible fault in the power supply process through cooperation with the main power supply so that the reliability of the power supply network under various faults can be detected.

The invention discloses a calibration system and calibration method for a touch key, which is used for testing the reliability and sensitivity of the key. The key is installed on a household appliance and connected with a control module of the household appliance, and can feed back the key signal To the control module, the calibration system includes a trigger device for touching the key, a recording device for recording the key signal after the key is touched, and a device for displaying the reliability and/or sensitivity of the key In the display device, the calibration method utilizes the calibration system to detect the reliability and/or sensitivity of the keys.