CN-122016082-A - Colliery is monocrystalline silicon window multisource fusion coupling compensation temperature measuring device in pit

CN122016082ACN 122016082 ACN122016082 ACN 122016082ACN-122016082-A

Abstract

The application provides a multi-source fusion coupling compensation temperature measuring device for a monocrystalline silicon window in a coal mine, which belongs to the field of temperature measuring technology in the coal mine and is used for solving the problems of low temperature measuring precision, inconvenient operation and maintenance and short service life of a traditional temperature measuring device in the related technology under the extreme environments of dustiness, high humidity, strong electromagnetic interference and frequent vibration in the coal mine.

Inventors

LI LIANHUI
CHAI ZHIBIN
LI BOTONG
GAO JUNYANG
ZHANG HAIRU
FAN SHIGUO

Assignees

天津通联电气有限公司

Dates

Publication Date: 20260512
Application Date: 20260303

Claims (10)

1.A multi-source fusion coupling compensation temperature measuring device of a monocrystalline silicon window in a coal mine is characterized by comprising a monocrystalline silicon window assembly, a three-dimensional sensing unit in the coal mine, a signal processing module and an explosion-proof anti-interference structure, The monocrystalline silicon window assembly is arranged at the front end of the device, The underground three-dimensional sensing unit of the coal mine comprises a capacitive wear sensor, an infrared optical sensor and a temperature and humidity sensor, is arranged close to the inner side of the monocrystalline silicon window assembly and is electrically connected with the signal processing module, The signal processing module is integrated with a nonlinear coupling compensation model, The explosion-proof and anti-interference structure is adapted to the explosion-proof grade under the coal mine, The signal processing module fuses the abrasion, pollution and temperature and humidity signals acquired by the multi-source sensing based on the special law that the adhesion of the underground coal dust is amplified along with the thickness of abrasion through a nonlinear coupling compensation model, counteracts the composite coupling attenuation caused by the vibration abrasion of the underground viscous coal dust and the temperature and humidity of water spraying, The explosion-proof anti-interference structure resists underground power frequency interference and radio frequency interference.
2. The underground coal mine monocrystalline silicon window multisource fusion coupling compensation temperature measurement device according to claim 1, wherein, The outer surface of the monocrystalline silicon window component is sequentially provided with a nano hydrophobic dust-repellent coating and a DLC wear-resistant coating, The nano hydrophobic dust-repellent coating is suitable for inhibiting the adhesion of downhole viscous coal dust, DLC wear resistant coatings adapt to wear protection in frequently cleaned scenarios, The inner side of the monocrystalline silicon window assembly is circumferentially provided with a preset number of micro-grooves, The preset quantity is adapted to diversion and secondary adhesion inhibition of the underground viscous coal dust and the water spraying mixture.
3. The underground coal mine monocrystalline silicon window multisource fusion coupling compensation temperature measurement device according to claim 1, wherein, Also comprises a quick-dismantling sealing structure, The quick-dismantling sealing structure comprises a magnetic attraction part, a buckling part, a water-swelling sealing gasket, a key groove positioning structure and a touch sensor, The magnetic component and the buckle component are matched to realize tool-free fixation of the monocrystalline silicon window component, adapt to the narrow scene of the underground maintenance space, The water-swelling sealing gasket is arranged at the joint of the monocrystalline silicon window component and the shell of the device, is suitable for sealing the underground water spraying and ponding environment, The keyway positioning structure defines the mounting direction of the monocrystalline silicon window assembly, The touch sensor detects the installation state of the monocrystalline silicon window component, and is suitable for avoiding the misloading of the underground dim environment.
4. The underground coal mine monocrystalline silicon window multisource fusion coupling compensation temperature measurement device according to claim 1, wherein, The number of the capacitive wear sensors of the underground three-dimensional sensing unit of the coal mine is preset, The preset number of capacitive wear sensors are uniformly distributed along the circumferential direction of the monocrystalline silicon window assembly, and the included angles of adjacent sensors meet a preset angle relation, The relation between the preset quantity and the preset angle is used for adapting to the offset of measurement errors caused by frequent underground vibration, The infrared optical sensor of the underground three-dimensional sensing unit of the coal mine is provided with a dustproof shield which is suitable for shielding and protecting underground high-concentration viscous coal dust, All sensors of the underground three-dimensional sensing unit of the coal mine are arranged in a coplanar mode, a unified interface is formed through a flexible flat cable to be connected with a signal processing module, and the circuit breakage avoidance caused by underground vibration environment is adapted.
5. The underground coal mine monocrystalline silicon window multisource fusion coupling compensation temperature measurement device according to claim 1, wherein, The signal processing module is also integrated with a composite noise suppression module, The composite noise suppression module processes signals acquired by the underground three-dimensional sensing unit of the coal mine in a combined mode of time sequence noise suppression and frequency band noise separation, The time sequence noise suppression is adapted to signal time sequence fluctuation caused by underground power frequency interference and dust shielding, The band noise separation adapts to the specific band noise caused by the downhole vibration.
6. The underground coal mine monocrystalline silicon window multisource fusion coupling compensation temperature measurement device according to claim 1, wherein, The signal processing module is also integrated with a status lifetime integrated diagnostic module, The state life integrated diagnostic module is based on spatial and temporal characteristics of the multi-source signal, And outputting the five types of state information and window residual life information of coal dust pollution, window abrasion, coating falling, sealing water inflow and coupling which are special in the coal mine and are related to the monocrystalline silicon window assembly and the three-dimensional sensing unit in the coal mine.
7. The underground coal mine monocrystalline silicon window multisource fusion coupling compensation temperature measurement device according to claim 1, wherein, The nonlinear coupling compensation model fuses the abrasion attenuation of monocrystalline silicon, the additional attenuation of coal dust pollution and the additional attenuation of underground temperature and humidity, The characteristic coupling relation of the downhole coal dust adhesion amplified along with the abrasion thickness is represented by a nonlinear function, the nonlinear function takes the coupling superposition and nonlinear correction of multiple attenuation amounts as cores, Three types of attenuation cooperative compensation are realized.
8. The underground coal mine monocrystalline silicon window multisource fusion coupling compensation temperature measurement device according to claim 1, wherein, The signal processing module is also integrated with a self-learning optimization module, The self-learning optimization module is based on forced explosion-proof constraint of underground equipment of a coal mine, low-power consumption constraint of battery power supply adaptation and window service life constraint of underground difficult-to-maintain scene adaptation, The self-cleaning parameters and the coupling compensation parameters are cooperatively optimized.
9. The underground coal mine monocrystalline silicon window multisource fusion coupling compensation temperature measurement device according to claim 1, wherein, Also comprises a self-cleaning unit which is used for cleaning the clothes, The self-cleaning unit is a sealed piezoelectric vibrator, The sealed piezoelectric vibrator comprises a metal shell and a flame-retardant filling layer, is suitable for explosion protection under a coal mine, The vibration frequency of the hermetic piezoelectric vibrator is adaptively adjusted within a preset frequency range, The preset frequency range is adapted to avoid the inherent resonance frequency band of the underground equipment and the efficient cleaning of the underground viscous coal dust.
10. The underground coal mine monocrystalline silicon window multisource fusion coupling compensation temperature measurement device according to claim 1, wherein, Also comprises a remote operation and maintenance module which, The remote operation and maintenance module is a wireless communication module, The wireless communication module supports cluster status data uploading, remote batch cleaning triggering and linkage calibration with the underground standard thermometer, adapts to the operation and maintenance efficiency of the underground sensor cluster deployment, The communication distance of the wireless communication module is not less than a preset communication distance, And the preset communication distance is adaptive to communication attenuation caused by shielding of the underground roadway.

Description

Colliery is monocrystalline silicon window multisource fusion coupling compensation temperature measuring device in pit Technical Field The application relates to the field of underground coal mine temperature measuring devices, in particular to an underground coal mine monocrystalline silicon window multisource fusion coupling compensation temperature measuring device. Background In the underground production process of a coal mine, temperature monitoring is a key link for guaranteeing production safety, the underground environment has the characteristics of high dust, high humidity, frequent vibration, complex electromagnetic interference, narrow space and the like, and strict requirements are put on the stability, the anti-interference capability and the suitability of the temperature measuring device. At present, a temperature measuring device commonly used in underground coal mines mostly adopts a structure that a traditional optical window is matched with a single sensing unit, and part of devices integrate a basic anti-interference component and a simple signal processing module so as to realize a basic temperature acquisition function. In order to cope with the influence of dust and humidity in the pit, part of the devices can be protected by adopting a common wear-resistant coating or sealing structure. However, the prior art has the defects that firstly, composite coupling attenuation caused by combined action of underground viscous coal dust vibration abrasion and water drenching temperature and humidity cannot be effectively conducted, temperature measurement signals are distorted, accuracy is reduced, secondly, the adaptability of an anti-interference structure is insufficient, underground power frequency interference and radio frequency interference are difficult to comprehensively resist, thirdly, window components are inconvenient to maintain, the existing structure cannot adapt to the requirements of quick replacement and accurate installation of underground narrow space and dim environment, fourthly, the sensing unit is unreasonable in layout and easy to be affected by vibration to generate measurement errors, a signal transmission line is easy to break in the vibration environment, and fifthly, a customized inhibition scheme for underground special noise is lacked, a state life integrated diagnosis function and clustered remote operation and maintenance capability are lacked, and the requirements of underground stable temperature measurement of a coal mine cannot be met. Disclosure of Invention The application provides a multi-source fusion coupling compensation temperature measuring device for a single crystal silicon window in a coal mine, which can solve the problems that the temperature measuring device in the coal mine is subjected to composite coupling attenuation, interference, poor environmental suitability and the like through multi-component cooperation and customized algorithm adaptation, and improves the reliability of temperature measurement and the convenience of operation and maintenance. In a first aspect, the application provides a multi-source fusion coupling compensation temperature measurement device for a monocrystalline silicon window in a coal mine. The underground coal mine three-dimensional sensing unit comprises a capacitance type abrasion sensor, an infrared optical sensor and a temperature and humidity sensor, the underground coal mine three-dimensional sensing unit is close to the inner side of the underground coal mine three-dimensional sensing unit and is electrically connected with the signal processing module, the signal processing module is integrated with a nonlinear coupling compensation model, the explosion-proof anti-interference structure is adapted to the underground coal mine explosion-proof grade, the signal processing module fuses abrasion, pollution and temperature and humidity signals acquired by multi-source sensing based on the characteristic law that the adhesion of underground coal dust is amplified along with the thickness of abrasion, and counteracts the composite coupling attenuation caused by vibration abrasion of underground viscous coal dust and the temperature and humidity of water drenching. Through adopting above-mentioned technical scheme, with the help of monocrystalline silicon window subassembly, three-dimensional sensing unit, signal processing module and explosion-proof anti-interference structure's cooperation, the combination customization nonlinear coupling compensation model can accurately offset the compound coupling attenuation in pit, effectively resists specific electromagnetic interference, ensures temperature measurement signal's accuracy, adapts to the explosion-proof requirement in the coal mine simultaneously, promotes the stability of device under adverse circumstances. Further, the outer surface of the monocrystalline silicon window component is sequentially provided with a nano hydrophobic dust-repellent coati