39results about How to "Improve calibration work efficiency" patented technology

The invention discloses a system and a method for checking the error of a high-voltage electric energy measurement device. The system comprises a test power source, a standard electric energy measurement system and a comparison display, wherein the error of the high-voltage electric energy measurement device is checked in the field by using the high-voltage current of the test power source, whichis generated by using three-phase high voltage as the test voltage of the test power source to carry out the high-potential clamping process on two / three groups of test current respectively, to excite the measurement device to be checked, and comparing the response output of the measurement device to be checked with that of the standard electric energy measurement system. The measurement system comprises a voltage sensor, a current sensor and a standard electric energy meter. The method comprises the following steps: determining the error of the system in measurement accuracy by the standard electric energy measurement system; and calculating the overall error according to the limit of the error, so as to control the requirements for the lowest accuracy level. The system of the invention is capable of determining the overall measurement accuracy (0.1) of the high-voltage electric energy measurement device to be checked.

The embodiment of the present invention provides a load calibration test loading device for an engine suspension installation joint, which relates to the technical field of load calibration test loading devices, so as to solve the problem that it is difficult to load the main engine suspension joint and the rear suspension joint with large loads in the prior art. . The load calibration test loading device uses the strain electrical measurement method to measure their flight loads. The device can not only complete the heading and vertical loading calibration of the main suspension joints, but also apply restraint loads on the front support joints and rear support joints. On the suspension joint, the heading and vertical load calibration of the rear suspension joint can be completed, and the restraint load can be applied to the front brace joint and the main suspension joint, which saves a lot of economic cost, time cost and labor cost. The device of the invention has ingenious design, convenient installation and use, easy disassembly and assembly, and can meet the use requirements of multiple sites; the device of the invention can be realized by simple mechanical processing, and the cost is low.

The invention discloses an automatic calibration device of an angle zero point of a heliostat by taking the sun as a reference object. The automatic calibration device comprises the heliostat. A heliostat tracking controller is installed on the heliostat and is connected with an image correction controller. The image correction controller is connected with an altitude angle measurement sensor and an azimuth measurement sensor. The image correction controller is connected with a camera which is installed on the heliostat through an installation rack. The camera optical axis direction of the camera is parallel to the normal direction of the heliostat. The invention also discloses a method for calibration by use of the above calibration device. According to the invention, the calibration working efficiency is high; measurement results are precise and reliable; calibration is easy and quick; and automation degree is high.

The invention relates to an absolute calibration method for the radiation intensity of a Hadamard transform imaging spectrometer. In the method, an integrating sphere light source, a uniform attenuation sheet, an electric translation platform capable of translating along a direction vertical to an optical axis, a Hadamard transform spectrometer, a spectrometer radiation intensity meter, a main control computer and a camera obscura are arranged, wherein the Hadamard transform spectrometer and the spectrum radiation intensity meter are fixedly arranged on the electric translation platform respectively, and are arranged at the two ends of the electric translation table along the translation direction; the electric main control computer can be used for controlling the translation of the electric translation table; the electric main control computer is connected with the Hadamard transform spectrometer and the spectrum radiation intensity meter respectively to acquire output data of the Hadamard transform spectrometer and the spectrum radiation intensity meter; and light emitted from the integrating sphere light source can vertically enter the Hadamard transform spectrometer or the spectrum radiation intensity meter after passing through the attenuation sheet. Due to the adoption of the method, the technical problem of the lack of a calibration method for the radiation intensity ofa front slot type Hadamard transform spectrum spectrometer is solved. The calibration method is simple, and has high efficiency.

The invention discloses a static strength checking method and device. Wherein, the method includes: constructing a component unit corresponding to the structure according to the structure of the aircraft to be checked, wherein the component unit includes one or more component elements of the same category; acquiring the attribute corresponding to each of the component elements Parameters and check parameters, wherein the check parameters are used to characterize the preset indicators that need to be achieved by the aircraft to be checked; determine the attribute parameters of each of the component elements and the corresponding check parameters to determine each The strength margin of the constituent elements, the strength margin is used to represent whether the constituent elements satisfy the preset index. The invention solves the technical problem in the prior art that manually checks the static strength of key parts or serious working conditions of the aircraft, resulting in incomplete checks.

The invention discloses a start calibration system and method for a hybrid vehicle, and the system comprises a test bed which is disposed in a test room, and is used for placing a to-be-calibrated vehicle; an environment control device for adjusting the internal environment of the test room; a pipe control device for adjusting the temperature and pressure of each pipe connected with the to-be-calibrated vehicle; a charging device which is used for supplying power to the to-be-calibrated vehicle; a wide-range oxygen sensor which is used for collecting the information of exhaust gas discharged by an exhaust pipe when the to-be-calibrated vehicle is in use; an air-fuel ratio measurement instrument which is connected with the wide-range oxygen sensor, and is used for generating an air-fuel ratio curve according to the information, collected by the wide-range oxygen sensor, of exhaust gas; and a master console which is connected with the environment control device, the pipe control device, the charging device, the air-fuel ratio measurement instrument and an engine controller of the to-be-calibrated vehicle, and controls the operation of all connected devices, so as to complete the testing of the calibration parameters of the to-be-calibrated vehicle. The system can greatly improve the calibration efficiency.

The invention discloses an alignment and calibration integrated system, and belongs to the technical field of a direct-writing exposure machine. The alignment and calibration integrated system comprises a CCD camera and an optical path assembly, wherein the optical path assembly comprises three groups of prism assemblies; each prism assembly comprises two triangular prisms arranged oppositely; and the prisms are provided with semi-transparent and semi-reflective films and total reflective films. By virtue of the alignment and calibration integrated system, the problem of inaccurate alignment and positioning in the prior art is solved; the alignment and calibration working efficiency is improved; and by integrating an alignment optical path and a calibration optical path, equipment is simplified.

The invention discloses a method and a system for checking regulation and control information. The method comprises the following steps that an SCD (Substation Configuration Description) file of a substation is imported into a simulation program; the simulation program sends all action messages in the substation to a telemechanical apparatus and a monitoring background at a scheduled time interval in sequence according to a content of the SCD file; the monitoring background records all received action messages; an analog master station records all received action messages forwarded by the telemechanical apparatus; and all action messages recorded by the monitoring background and all action messages recorded by the analog master station are compared by utilizing a scheduling information table of the substation. The method does not need to complete construction of a communication channel between the substation and the master station and interactively carry out work with the master station and only needs to construct a simulation environment in the substation; the regulation and control information is checked by utilizing an automated tool and means, so that the working efficiency for checking the regulation and control information is improved.

The present invention provides a calibration system for a transmission. The calibration system comprises a front-end graphical module and a background processing module; the front-end graphical module at least comprises a user interface unit and a front-end event total scheduling unit; the background processing module at least comprises a demand response scheduling unit, a mathematic model unit, a data processing unit and a storage unit; the user interface unit is used for interacting with a user, receiving parameter information inputted by the user and displaying the data; the front-end event total dispatching unit is used for receiving various kinds of operation information of the user and calling a corresponding functional function to respond the operation of the user; the demand response scheduling unit is used for receiving data requests sent by the front-end graphical module; and the mathematic model unit is used for receiving the data calculation operation of the user and calling a corresponding functional function to calculate data related with vehicle performance. With the calibration system for the transmission provided by the embodiments of the invention adopted, the efficiency of the calibration of the gearing shift curve of the transmission can be improved.

The invention discloses a measuring device for measuring the position of an assembly hole of a support of a thrust reverser, belonging to the technical field of aerial measuring devices. A measuring device for measuring the position of an assembly hole of a support of a thrust reverser, comprising: a base and a support base; the top of the base is provided with a limit groove matching the bottom of the support, and the top of the base is also provided with an assembly hole with the bottom of the support The corresponding first installation hole; the support seat is inclined, the bottom of the support seat is connected to the base, and the middle part of the support seat is provided with a second installation hole that is inclined and corresponds to the mounting hole on the side of the support; the first installation hole and the second mounting hole are respectively provided with measuring components. The measuring device of the present invention can quickly check the position of the assembly hole on the support of the thrust reverser independently and quickly, avoiding the use of trial assembly or pre-assembly to verify whether the position of the assembly hole meets the requirements of the drawings, and the position of the assembly hole of the support The calibration process is simple, the calibration period is short, and the calibration work efficiency is high, which is suitable for the mass production of the support.

The invention discloses a method for automatically checking the protection function of a microcomputer-based main transformer differential protection device. It includes starting the verification mode; blocking external AC sampling; reading protection control words and fixed values; entering a test; judging whether the protection is enabled; blocking other protection functions; generating test sequences according to the fixed values; Whether to operate; record the action value and action evaluation; release the protection function lockout; judge whether the test is completed; generate a function verification report; print the report; exit the verification mode; open external communication sampling and other steps. The invention does not require additional hardware overhead and external circuit wiring, and can complete the test of various protection functions of the entire device without manual intervention and a protection tester, real-time dynamic display of the test process and results, and automatic generation of test reports. The automatic calibration technology standardizes the equipment test items and avoids technical errors such as missing items in the inspection, wrong inspection methods, and misjudgment of inspection results due to the quality of personnel.

The invention discloses a power quality online monitoring device batch calibration system. A detection bench is used for placing a plurality of calibrated analog power quality online monitoring devices or digital power quality online monitoring devices. A controller is connected with the calibrated digital power quality online monitoring devices through network cables. A power quality signal generator control module is connected with a power quality signal generator through a special connecting line. The power quality signal generator is connected with the calibrated analog power quality online monitoring devices. The detection signal output ends of the calibrated digital power quality online monitoring devices and the calibrated analog power quality online monitoring devices are connected with the signal input end of a data processing module through a communication module. The signal output end of the data processing module is connected with a display module. The power quality online monitoring device batch calibration system of the invention can support the analog and digital power quality monitoring devices simultaneously. For the support to the digital power quality monitoring devices, an application is adopted to send lossless digital signals in a standard IEC 61850-9-2 frame format, and the calibration problem of the digital power quality monitoring devices is solved with high quality.