A photon probe intelligent gain control device and method based on train axle temperature detection
A shaft temperature detection and gain control technology, which is applied in temperature control, electric temperature control, auxiliary controller with auxiliary heating device, etc., to achieve the effect of improving response changes, ensuring accuracy, and high control accuracy
Active Publication Date: 2017-07-28
BEIJING CTROWELL INFRARED TECHN
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These changes in probe response caused by changes in the characteristics of photonic devices will have varying degrees of impact on the calculation of the axle temperature of the train axle temperature detection system
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[0030] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.
[0031] The invention provides a photon probe intelligent gain control device and method based on axle temperature detection, and relates to a photon probe used for train axle temperature detection.
[0032] The present invention uses a single-chip microcomputer to collect probe signals, and controls the probe gain through intelligent analysis and judgment. Different from ordinary automatic gain control, the present invention is based on the axle temperature detection system, which can use thermal target calibration and passing signals during the axle temperature detection process. Parameters to intelligently judge the parameters of gain control, and achieve the effect of stable control.
[0033] A photon probe intelligent gain control device based on shaft temperature detection, such as figure 1 As shown, the gain control device includes a thermal ta...
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The invention discloses a photon probe intelligent gain control device and a method based on train axle temperature detection, and belongs to the technical field of train axle temperature detection. The device comprises a thermal target and a photon probe, wherein the photon probe comprises an optical system, a photonic device, a bias power supply, a control plate and a pre-amplifying plate. the method comprises the steps: a probe signal is acquired; the thermal target is calibrated, and validity of the probe signal is judged; data parameters of response groups are prepared, and gain adjustment amount is determined to transmit to a gain adjustment circuit, so that the gain adjustment of the probe signal is realized. The gain control device provided by the invention has high compatibility and high control procision; the gain control method can intelligently analyze and save the responsivity relevant parameter of the present probe through the acquired signal, and can perform comprehensive intelligent analyzing and judging by combining factors such as environment temperature, device temperature and the like, so that the stable control of the photon probe gain can be effectively ensured; and according to the invention, the photonic device change responding condition can be effectively improved, and the precision of the train axle temperature detection is ensured.
Description
technical field [0001] The invention belongs to the technical field of train axle temperature detection, and in particular relates to a method and device for intelligent gain control of a photon probe based on train axle temperature detection. Background technique [0002] In the train axle temperature detection system, the photon probe is a component used to sense the axle temperature. HgCdTe photonic devices are the core components of photon probes. In the practical application of photonic probes, the stability of photonic devices determines whether the photonic probes can be used normally and effectively. In general, photonic devices will change their own characteristics to a certain extent with the increase of service life and the harshness of the use environment. This change is currently difficult to improve from the perspective of the device itself both internationally and domestically. [0003] When the response of the photonic probe changes to a certain extent, it...
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IPC IPC(8): G05D23/30
CPCG05D23/306
Inventor 郑向阳李柳竺杨征西李建国曲歌马岩
Owner BEIJING CTROWELL INFRARED TECHN