METHOD FOR MONITORING GROUND SETTLEMENT BASED ON COMPUTER VISION

Disclosed is a method for monitoring ground settlement based on computer vision. Before monitoring starts, the first image frame is captured. For one measuring point, the area of the top LED lamp is defined as a tracking template, its pixel center is the reference point for settlement calculation, and a monitoring area is defined by an estimated range. After monitoring starts, the best matched of the lamp template is searched for in the monitoring area of a second image frame. When the best matched area is obtained, its pixel center is obtained as the new lamp position, and it is selected as the new template; the pixel displacement between two adjacent image frames can be obtained by comparison. The total pixel displacement of multiple points during the monitoring period is calculated through the accumulated displacement, and the actual settlement is calculated through a pixel-physical ratio. 1step A: instrument arrangement{'b': '1', 'step A: investigating ground conditions of a to-be-measured area, comprehensively considering soil texture and pavement, surrounding roads, vegetation conditions and corresponding monitoring requirements, and selecting appropriate ground monitoring points;'}{'b': '2', 'step A: inserting monitoring targets into a ground at to-be-measured ground monitoring points to ensure that the monitoring targets are firmly installed and free from looseness and inclination, wherein each monitoring target is composed of a top LED lamp, an LED lamp chamber, a rechargeable battery, a small lamp switch and a target rod;'}{'b': '3', 'step A: at an appropriate position on a midperpendicular of a connecting line of the ground monitoring points, arranging an industrial camera and installing a zoom lens, and connecting the industrial camera with a computer by a gigabit Ethernet cable;'}step B: device debugging{'b': '1', 'step B: adjusting a tripod to ensure that the visual field of the industrial camera is in a horizontal position and ensure that the tripod ...

ELECTRONIC ATOMIZATION DEVICE

The disclosure discloses an electronic atomization device, including a housing, and an atomization unit and a baking unit which are disposed in the housing. The atomization unit includes a first airflow passage configured for bringing out an atomizing gas, and the baking unit includes a baking cavity. The atomization unit and the baking unit are disposed side by side in a transverse direction of the housing, and the first airflow passage is communicated with the baking cavity to enable a mixture of a smoke with an atomizing gas. Through a combined use of the atomization unit and the baking unit, a comprehensive requirement of a user on taste and mouthfeel can be met. Further, the atomization unit and the baking unit are disposed side by side in the transverse direction of the housing, such that the electronic atomization device is more compact in overall structure. 1. An electronic atomization device , comprising a housing , and an atomization unit and a baking unit which are disposed in the housing , the atomization unit comprising a first airflow passage configured for bringing out an atomizing gas , and the baking unit comprising a baking cavity; wherein the atomization unit and the baking unit are disposed side by side in a transverse direction of the housing , and the first airflow passage is communicated with the baking cavity to enable a mixture of a smoke with an atomizing gas.2. The electronic atomization device according to claim 1 , wherein the first airflow passage comprises a first air inlet and a first air outlet claim 1 , the baking cavity comprises a second air inlet and a second air outlet claim 1 , and the first air outlet is communicated with the second air inlet.3. The electronic atomization device according to claim 2 , wherein the first air outlet is located at a side of the atomization unit adjacent to the baking unit claim 2 , and the first air inlet is located at a side of the atomization unit away from the baking unit.4. The electronic ...

ELECTRONIC ATOMIZATION DEVICE

The disclosure discloses an electronic atomization device, including a housing, and an atomization unit and a baking unit which are disposed in the housing. The atomization unit includes a first airflow passage configured for bringing out an atomizing gas, and the baking unit includes a baking cavity configured for receiving and baking a solid smoke generating medium. The first airflow passage is communicated with the baking cavity to enable a mixture of a smoke with an atomizing gas. Through a combined use of the atomization unit and the baking unit, a comprehensive requirement of a user on taste and mouthfeel can be met. 1. An electronic atomization device , characterized by comprising a housing , and an atomization unit and a baking unit which are disposed in the housing; wherein the atomization unit comprises a first airflow passage configured for bringing out an atomizing gas , and the baking unit comprises a baking cavity configured for receiving and baking a solid smoke generating medium; and the first airflow passage is communicated with the baking cavity to enable a mixture of a smoke with an atomizing gas.2. The electronic atomization device according to claim 1 , wherein the first airflow passage comprises a first air inlet and a first air outlet claim 1 , the baking cavity comprises a second air inlet and a second air outlet claim 1 , and the first air outlet is communicated with the second air inlet.3. The electronic atomization device according to claim 2 , wherein the first air outlet is located at a side of the atomization unit adjacent to the baking unit claim 2 , and the first air inlet is located at a side of the atomization unit away from the baking unit.4. The electronic atomization device according to claim 1 , wherein the first airflow passage extends transversely in the atomization unit claim 1 , and the baking cavity extends longitudinally in the baking unit.5. The electronic atomization device according to claim 4 , wherein the electronic ...

Structural vibration monitoring method based on computer vision and motion compensation

A structural vibration monitoring method based on computer vision and motion compensation provided in the present disclosure adopts a dual-camera system for self-motion compensation. The dual-camera system consists of a primary camera and a secondary camera rigidly connected to each other. The primary camera directly measures a structure displacement. This method inevitably includes an error generated due to motion of the primary camera. Meanwhile, the secondary camera measures displacements of translation and rotation, so as to estimate a measurement error caused by the motion of the primary camera. Then, with the displacement directly measured by the main camera minus the measurement error, a corrected structure displacement is obtained, thereby truthfully and accurately monitoring vibrations of a bridge structure.

CORROSION-FATIGUE-COUPLED TEST METHOD AND DEVICE FOR STEEL BRIDGE DECK

The present invention relates to a corrosion-fatigue-coupled test method and device for a steel bridge deck. The method includes: 1) installing an orthotropic steel bridge deck (OSBD) and pasting filter paper; 2) installing a sodium chloride solution delivery pipe; 3) installing an infrared (IR) lamp; 4) preparing a corrosive solution; 5) coupling corrosion and fatigue; and 6) acquiring test data. A device constructed by using the method includes a to-be-tested OSBD, a support device, a pressure pump, a water tank, a monitoring device, an IR lamp, a plastic water pipe, a thermostat and a rotary sprayer. The present invention solves the problem of laboratory accelerated corrosion of the OSBD. The present invention fully considers a coupling effect of a corrosive medium and an alternating stress, so that the created simulation environment is close to a service environment of the OSBD, and the test data are effective and reliable. 1. A corrosion-fatigue-coupled test method for a steel bridge deck , comprising the following steps:1) installing a full-scale model of a segmented orthotropic steel bridge deck (OSBD) in a fatigue laboratory, arranging a fiber Bragg grating (FBG) sensor, and pasting filter paper: shipping the OSBD to the laboratory after the manufacture of the OSBD in a factory, and fixing the OSBD by a simple support; then arranging an FBG chloride ion concentration sensor at an equal distance of 2 mm within 30 cm of a weld seam to monitor the corrosion of the OSBD near the weld seam; determining a stress monitoring position by using a hot spot stress (HSS) extrapolation method, and arranging an FBG stress sensor and an FBG temperature sensor; applying an epoxy resin to prevent the sensor from being corroded; pasting the filter paper in the range of the weld seam and the FBG stress sensor and the FBG temperature sensor, so that a uniform water film is formed on the OSBD during an accelerated corrosion process, which is close to an actual corrosion situation ...

Systems and methods of increasing power converter efficiency

Systems and methods of increasing power converter efficiency are provided. A power converter includes a boost circuit configured to receive a DC input voltage ranging from a minimum input voltage value to a maximum voltage value, boost the DC input voltage to a predefined nominal voltage value when the DC input voltage has a value between the minimum input voltage value and the predefined nominal voltage value, and maintain the DC input voltage when the DC input voltage has a value that is greater than or equal to the predefined nominal voltage value and less than the maximum input voltage value. The unit also includes a DC-DC converter coupled to an output of the boost circuit, the DC-DC converter configured to convert the boosted DC voltage or the maintained DC voltage to a DC output voltage.

Hands free pumping bra

Device for controlling operation of atomizer and atomization working method

【課題】霧化シートが空焚きして焦げ臭いが発生することを回避するために使用される霧化器の動作を制御するための装置及び霧化作業方法を提供する。【解決手段】装置１０は、装置に現在接続されている霧化器の標識情報を識別し、標識情報に基づいて、霧化器にマッチングする使用パラメータを取得するように構成された識別モジュール１１と、識別モジュールに接続され、使用パラメータに基づいて、霧化器内の霧化対象液体を霧化する制御モジュール１２と、を含む。これにより、使用パラメータに基づいて霧化器内の霧化対象液体の残量を取得し、残量に基づいて霧化を行うことができ、霧化シートが空焚きして焦げ臭いが発生することを回避することができる。【選択図】図１

Electronic atomization device, atomization body thereof, atomizer, and heating control method

【課題】アトマイザーの液漏れ現象を効果的に改良可能であり、且つ、発熱効率が大幅に向上する電子霧化装置及びその霧化本体、アトマイザー、加熱制御方法を提供する。【解決手段】電子霧化装置及びその霧化本体１０、アトマイザー２０、加熱制御方法を開示する。アトマイザー２０は、アトマイザー２０が霧化本体１０に装着された状態で、電磁結合方式で、霧化本体１０からエネルギーを取得することで、エアロゾル形成基質を加熱する第２コイル２１を含む。霧化本体１０は第１コイル１１を含む。且つ、霧化本体１０の動作状態において、第１コイル１１は電磁エネルギーを発生させ、アトマイザー２０内に収容されているエアロゾル形成基質を電磁結合方式で加熱することで、エアロゾルを形成する。【選択図】図３

Battery rod for electronic atomization and electronic atomization device

A battery rod (42) for electronic atomization and an electronic atomization device (40), the battery rod (42) comprising: a housing (11), a touch area (12) being provided on the housing (11), and the touch area (12) being conductive; a touch sensing electrode (13), which is located within the housing (11) and which is arranged corresponding to the touch area (12), the touch area (12) forming an inductive capacitance with the touch sensing electrode (13); and a control chip (14), which is located within the housing (11), connected to the touch sensing electrode (13), and used for detecting a capacitance value of the inductive capacitance and generating a control instruction when a change in the capacitance value of the inductive capacitance is detected, so as to control the battery rod (42) to perform a corresponding operation. A single-point touch by the battery rod (42) is achieved without separately providing a touch panel, achieving a small volume and reducing costs.

一种在线监测气体微水含量的装置及监测系统

本申请提供了一种在线监测气体微水含量的装置，包括微水传感器、压力调节机构和智控单元；多通接头，用于安装在电气设备上；微水传感器和压力调节机构均设置在多通接头上，其气路相连通，且微水传感器通过多通接头与电气设备的气室相连通；智控单元，分别与微水传感器、压力调节机构相连接，用于控制压力调节机构，使其调节气室和多通接头内的气体的压力升降，实现气体流动，智控单元还接收微水传感器采集的气体微水值，并远传至相应的检测系统或目标设备。本申请实现了对气体绝缘电气设备的气体微水值的在线监测，降低了安全隐患，大大提高了电网的可靠性。本申请还提供一种含有上述装置的监测系统。

電池アセンブリ及び電子霧化装置

【課題】霧化器と電池アセンブリを複数回取り付けるのを回避し、ユーザー体験を向上させることができる電池アセンブリ及び電子霧化装置を提供する。【解決手段】電池アセンブリ及霧化器を有する電子霧化装置において、電池アセンブリは、少なくとも３つの電極接点ｎ１、ｎ２、ｎ３と、駆動回路２１とを含む。少なくとも３つの電極接点ｎ１、ｎ２、ｎ３は、霧化器に電気的に接続するために使用される。駆動回路２１は、電極接点ｎ１、ｎ２、ｎ３にそれぞれ接続される。霧化器が電池アセンブリに取り付けられている状態で、駆動回路２１は、電極接点ｎ１、ｎ２、ｎ３のうちの霧化器に接続された給電伝送接点を検出し、給電伝送接点を介して給電電圧を霧化器に供給する。【選択図】図２

Display panel and display device

A display panel and a display device are provided. A light-controlling component configured to adjust a signal transmitter is disposed on a light-emitting surface of the signal transmitter of the display panel, thereby allowing modulated light, emitted from the signal transmitter disposed at a predetermined included angle with respect to a bottom surface of a cover plate, to be totally reflected between a top surface and the bottom surface of the cover plate. Total reflection is interrupted at a position where a user's finger touches. Light is received and recognized by a plurality of light sensors on a sensor array after entering the display panel, thereby realizing under-display fingerprint recognition in a large area.

Corrosion-fatigue-coupled test method and device for steel bridge deck

The present invention relates to a corrosion-fatigue-coupled test method and device for a steel bridge deck. The method includes: 1) installing an orthotropic steel bridge deck (OSBD) and pasting filter paper; 2) installing a sodium chloride solution delivery pipe; 3) installing an infrared (IR) lamp; 4) preparing a corrosive solution; 5) coupling corrosion and fatigue; and 6) acquiring test data. A device constructed by using the method includes a to-be-tested OSBD, a support device, a pressure pump, a water tank, a monitoring device, an IR lamp, a plastic water pipe, a thermostat and a rotary sprayer. The present invention solves the problem of laboratory accelerated corrosion of the OSBD. The present invention fully considers a coupling effect of a corrosive medium and an alternating stress, so that the created simulation environment is close to a service environment of the OSBD, and the test data are effective and reliable.

Battery rod for electronic atomization, and electronic atomization device

一种用于液晶显示屏加工的定位装置

本实用新型公开了一种用于液晶显示屏加工的定位装置，包括底座，所述底座的顶部焊接有固定箱，所述固定箱右侧的底部固定连接有控制器，所述固定箱左侧的底部焊接有固定夹持弯臂，所述固定夹持弯臂的左侧焊接有固定座，所述固定座顶部的中心处横向焊接有固定夹持座，所述固定箱内腔左侧的中心处竖向开设有通槽，所述固定箱的内腔设置有定位机构，所述定位机构包括滑槽、伺服电机、丝杆、螺纹套、滑块、移动夹持弯臂、移动座和移动夹持座。本实用新型通过滑槽、伺服电机、丝杆、螺纹套、滑块、移动夹持弯臂、移动座和移动夹持座的配合，解决了传统定位装置不可对液晶显示屏进行自动定位卡紧的问题。

Hypergravity model test device and method for simulating progressive failure of shield tunnel face

A hypergravity model test device for simulating a progressive failure of a shield tunnel face, including a model box, a shield tunnel model, a servo loading control system and a data acquisition system. The servo loading control system includes a servo motor, a planetary roller screw electric cylinder and a loading rod. The data acquisition system includes a displacement transducer, an axial force meter, a pore pressure transducer, an earth pressure transducer and an industrial camera. The servo loading control system is connected to an excavation plate through the loading rod to control the excavation plate to move back and forth along an axial direction of the shield tunnel model at a set speed to simulate failure of the shield tunnel face. A method for simulating a progressive failure of a shield tunnel face is also provided.

Battery rod for electronic atomization, and electronic atomization device

A battery rod (42) for electronic atomization, and an electronic atomization device (40). The battery rod can cooperate with an atomizer (41) to achieve electronic atomization and comprises: a housing (11), the housing (11) being provided with a touch region (12), and the touch region (12) being non-conducting; a touch sensing electrode (13), which is located in the housing (11) and arranged corresponding to the touch region (12), the touch sensing electrode (13) generating different capacitance values when different positions of the touch region (12) are touched; and a control chip (14), which is located in the housing (11), connected to the touch sensing electrode (13), and used to measure the capacitance values at different positions in the touch sensing electrode (13) and generate a control instruction according to the measurement result so as to control the battery rod (42) to perform corresponding operations. A single-channel multi-touch solution of a battery rod (42) can be achieved, and the cost can be reduced.

Battery rod for electronic atomization and electronic atomization device