37results about How to "Realize the calibration function" patented technology

The invention relates to the technical field of remote control, in particular to a rocker calibration method and device, and a remote control device. The rocker calibration method comprises the steps of: acquiring a target point parameter when the remote control device is in a calibration mode; acquiring a calibration parameter according to the target point parameter; and performing rocker calibration according to the calibration parameter. By adopting the embodiment, a calibration function of a potentiometer rocker is realized, the whole process is simple, safe and reliable, and the rocker calibration method is suitable for most remote control devices with potentiometer rockers, so that the versatility is high.

The invention belongs to the technical field of display, and specifically relates to a compensation structure of a drive circuit, a drive circuit module and a display panel. The compensation structureof a drive circuit includes a current amplification circuit and a cross-group amplification circuit, wherein the current amplification circuit is connected with the output terminal of the drive circuit, and is used for amplifying the drive current output from the drive circuit by a set multiple; and the cross-group amplification circuit is connected with the output terminal of the current amplification circuit, and is used for matching different channels in the drive circuit and the resistors of different thin film transistors, and converting the drive current into the corresponding drive voltage. The compensation structure of a drive circuit can directly sense the drive current of the pixel data in the display panel, thus avoiding the problem that a voltage signal is easy to be interfered during the wiring process, improving the sensing accuracy and reducing the sensing time, and at the same time utilizes the cross-group amplification circuit and uses the fuse technology to perform fine tuning on the resistors of all the cross-group amplifiers so as to realize the calibration function, thus avoiding the problem of occurrence of process deviation.

The invention relates to a power cable optical fiber temperature measurement benchmark data measuring method. The method is technically characterized by including the following steps of heating a tested cable through a cable circulating heating system, measuring the temperature of the outer layer of a cable protection sleeve through a distributed type optical fiber device wound on the tested cable, conducting fitting on an obtained optical fiber temperature measurement curve, analyzing and summarizing the change relation between the load current and the temperatures of a conductor and the outer protection sleeve, changing the magnitude of the load current, repeatedly executing the steps mentioned above to obtain the change relation between the multiple load currents and the temperatures, obtaining the temperature measurement condition of a distributed type optical fiber under multiple conditions, and providing the basis for calibration of optical fiber temperature measurement benchmark data. According to the relation between the load current and the temperatures of the cable core and the protection sleeve, by analyzing and optimizing test data, the function of calibrating the optical fiber temperature measurement benchmark data on site is achieved, simulation accuracy is improved, and the basis is provided for calibration of the optical fiber temperature measurement benchmark data.

The invention relates to a partial discharge detection pulse current sensor with a self correcting function, belonging to the technical field of sensors for detection. The technical scheme of the partial discharge detection pulse current sensor is as follows: a closed-loop magnetic core (5), an output coil and a correcting coil are arranged in a shell, the output coil wound on the closed-loop magnetic core is used for inducing a current flowing through the closed-loop magnetic core to carry out partial detection, the correcting coil is additionally arranged on the closed-loop magnetic core so as to be used for realizing self correcting and self detection functions, and the partial discharge detection pulse current sensor is provided with a correcting interface (1) and an output interface (6), the correcting interface is connected with the correcting coil, and the output interface is connected with the output coil. The shell is of various structures, comprising an opening rectangle structure and a closed round structure, and is suitable for partial discharge online routing inspection or local discharge online monitoring. The partial discharge detection pulse current sensor disclosed by the invention has the beneficial effects of realizing self correcting and self detecting functions, being suitable for local discharge online inspection or partial discharge online monitoring, and being convenient and exact.

The invention belongs to the technical field of optical testing of head-up displays, and particularly relates to a boresight device with a three-dimensional adjusting mechanism. The device comprises a mounting interface, the three-dimensional adjusting mechanism and a telescope, and can realize on-board testing and calibration functions of an optical axis of a head-up display. The device is high in structural reliability, good in man-machine effect and simple and convenient to operate, greatly improves the on-board correcting efficiency of a head-up display, and has important application value.

The invention discloses a platform calibration clamp. The platform calibration clamp comprises a conductive metal elastic piece, a flexible circuit board and a clamp for clamping, wherein the clamp comprises a conductive clamping main body and a clamping elastic piece which is matched with the conductive clamping main body and is used for clamping; the conductive clamping main body comprises a first main body part and a first clamping part connected with the first main body part; the clamping elastic piece comprises a second clamping part parallel to the first clamping part; the flexible circuit board comprises a first conductive layer and a second conductive layer, and an insulating layer is arranged between the first conductive layer and the second conductive layer; the conductive metal elastic piece comprises a first contact part and a second contact part, and the second contact part can contact with the first clamping part under the action of external force and has a gap with the first clamping part without the action of the external force; and the first contact part is closely attached with the first conductive layer of the flexible circuit board in parallel, and the first main body part is closely attached with the second conductive layer of the flexible circuit board in parallel. The platform calibration clamp disclosed by the invention has the advantage that stable clamping and accurate platform calibration of a working platform can be conveniently realized.

The invention discloses a light path calibration module which is provided with a first light inlet, a second light inlet and a first light outlet, a first light splitting device is arranged in the light path calibration module, and the first light inlet is used for receiving a calibration light beam of a calibration light source or is closed; the second light inlet is used for receiving a light beam of the target light source or receiving a calibration light beam of the calibration light source; the first light outlet is used for emitting a detection light beam to the photoelectric sensor; the first light splitting device forms an included angle of 45 degrees with the first light inlet and the second light inlet, and the light path calibration module can judge whether a detection signal of a photoelectric sensor of original equipment is attenuated or distorted due to the damage of the photoelectric sensor, and can adjust a light path at the same time. The light path calibration module can be externally connected with a detachable T-shaped cavity structure according to different production line environments, so that the installation position of the calibration light source is changed, production assembly or production line application testing is facilitated, and the production efficiency is effectively improved.