32results about How to "Easy to implement detection" patented technology

The invention discloses a subway train operation service quality detection apparatus and a method thereof. The apparatus comprises a detection unit, a detection host and a processing unit, wherein the detection unit includes an inertial measurement module and the detection unit is used for collecting a train body operation attitude parameter, a noise in a carriage, a temperature, humidity, air quality and a mobile phone signal intensity; the detection host is connected to the detection unit in a communication connection mode and is used for acquiring data collected by the detection unit; and the processing unit is connected to the detection host in the communication connection mode, and is used for receiving and storing data transmitted by the detection host, calculating a position parameter of a subway line where the detection apparatus is located according to the data, carrying out single index and integration index evaluation on subway train operation service quality, and carrying out data contrast analysis, data trend analysis, space position analysis, line equipment association analysis and subway line track disease analysis. In the invention, space positioning precision of subway train operation service quality analysis evaluation and objectivity of an analysis result are increased, and a convenient technology means is provided for subway train service quality management and monitoring.

The invention discloses a matched test system for detecting spectrum characters generated by a sample under electron beam excitation and belongs to the detection field of detection on THz radiation spectrum characters. The system includes: a vacuum chamber, a vacuumizing system, a rotation control rod, and an electron gun. The vacuumizing system supplies a high-vacuum test environment to the sample under free electron beam excitation; the rotation control rod not only can fix the electron gun but also can control angle and position of the sample under electron beam excitation; a pair of observation windows, which are mounted in the upper and lower parts of the vacuum chamber, can be used for performing real-time detection and analysis on a radiation field generated by the sample under the electron beam excitation in a THz time-domain spectroscopy analyzer conveniently, and a pair of observation windows, which are mounted in the front and rear parts of the vacuum chamber, allows a test operator to conveniently observe the situation in the interior of the vacuum chamber. The whole system has reasonable design. The system, when being matched with the THz time-domain spectroscopy analyzer, can conveniently detect the characters of THz radiation spectrum generated by the sample under the free electron beam excitation.

The invention discloses a methane gas sensor on the basis of an organic thin film transistor and a preparation method of the methane gas sensor, and belongs to the field of application of gas sensors. A novel methane gas detection method is characterized by low cost and simple preparation process. The methane gas sensor adopts a bottom gate bottom contact structure of the organic thin film transistor and comprises a substrate, gate electrodes positioned on the substrate, an insulating layer positioned on the gate electrodes, and source electrodes and drain electrodes positioned on the gate-electrode insulting layer, wherein an organic layer with a gas detection function is arranged above the source and drain electrodes. The methane gas sensor is used for detecting methane in the environment.

The invention discloses an internet-based electric vehicle brake pad detection device and belongs to the technical field of electric vehicle brake pad processing equipment. The device comprises a workbench, wherein a side wall of the workbench is fixedly provided with a bearing plate, an upper end surface of the bearing plate is detachably provided with a positioning frame, the positioning frame is internally provided with a driving mechanism, and the positioning frame is internally provided with a transmission gear; a connecting ring is fixedly installed on an outer end face of the transmission gear, a positioning cylinder is fixedly connected to an outer side wall of the connecting ring, a detection mechanism is detachably installed in the positioning cylinder, a limiting ring is fixedly installed on an outer side wall of the positioning cylinder, a rotating block is fixedly connected to an outer side wall of the limiting ring, and the positioning cylinder is connected with a controller through a network. after a driver is powered, a driving shaft, driving wheels driving teeth, the transmission gear, the connecting ring and the positioning cylinder can be driven to rotate, then the detection mechanism can be driven to rotate, flatness of the surface of the brake pad placed in the workbench can be detected through rotation of the detection mechanism, and detection precision is high.

The invention relates to a controlled silicon zero-voltage turn-on module of a temperature control electric blanket and an implementation method thereof. The turn-on module consists of a shaping circuit, an MCU (microprocessor control unit) and a controlled silicon peripheral circuit. By introducing the MCU for intelligent control, the turn-on module can easily realize the detection of an alternating current zero crossing point, the control of a time point after the synchronization with a power supply electric network, and the generation of PWM (pulse width modulation) waveform, thereby realizing that controlled silicon of the electric blanket is turned on at a voltage zero-crossing point; and compared with the turn-on of the controlled silicon of the conventional electric blanket at any point of alternating voltage, the controlled silicon zero-crossing turn-on module ensures that the voltage is reduced to zero before the turn-on of the controlled silicon to eliminate the overlapping of voltage and current in the turn-on process and reduce the change rate of the voltage and the current, thereby greatly reducing even eliminating losses and switching noises, and ensuring that the temperature control electric blanket is developed in a green direction while prolonging the service life of a product.

The invention discloses an assembly type non-contact lap joint pier anchor type joint connection structure. The assembly type non-contact lap joint pier anchor type joint connection structure comprises a first prefabricated part and a second prefabricated part, the first prefabricated part comprises a first prefabricated body and a first steel bar, one end of the first steel bar is arranged in the first prefabricated body, the other end of the first steel bar extends out of the first prefabricated body, the part, extending out of the first prefabricated body, of the first steel bar is a first anchoring steel bar, the second prefabricated part comprises a second prefabricated body and a second steel bar, the part, extending out of the second prefabricated body, of the second steel bar is a second anchoring steel bar, and the assembly type non-contact lap joint pier anchor type joint connecting structure further comprises a post-pouring seam joint section which is formed by pouring high-performance concrete and wraps the first anchoring steel bar and the second anchoring steel bar. The assembly type non-contact lap joint pier anchor type joint connection structure aims to solve the technical problems that in the prior art, an assembly type building component joint connecting structure is large in construction difficulty, and hidden dangers exist in construction quality and structural safety.

The invention discloses a measuring tool and method for measuring the angle of a rectifying blade with a positioning pin. The measuring tool is mainly composed of a pedestal, a pressing rod, a nut, abolt, a vertical plate, a supporting block, a hinge seat, a pedestal, an angle indication block, and a rotating ring body. The vertical plate is perpendicular to the upper end surface of the pedestal,the vertical plate is provided with a through hole, and the pedestal is arranged at the front end of the vertical plate. A circle of annular protrusion is arranged on the periphery of the through hole in the rear end in the circumferential direction, the annular protrusion is sleeved with the rotating ring body, a radial through groove is formed in the rotating ring body, a through hole strip isformed in the annular protrusion, and the angle indicating block is slidably connected into the through groove and the through hole strip and connected with a boss on the rectifying blade positioningblock in an inserted mode through a notch in the tail end of the angle indicating block to form an extension structure of the reference surface on the boss. The supporting block is located on the upper end surface of the base, the contour of the upper surface of the supporting block is consistent with the curve shape of the to-be-measured cross section of a blade, one end of a pressing rod is hinged to a hinge base, and the other end of the pressing rod is connected with the bolt in an inserted mode through the notch and locked through the nut. Whether the size of the machined rectifying bladepart is qualified or not can be conveniently judged.

The invention belongs to the technical field of mine early warning, and particularly relates to a method for applying an informationized mine lamp to a mine. The method comprises a methane detection device and an oxygen release device; a piston rod is arranged in a detection box, and a methane detector is arranged on the detection box; an electrified magnet is arranged on the inner wall of an extrusion bin and is in electric signal connection with an alarm lamp; an oxygen collecting bin is arranged on the other side wall of the fixed box; a flow guide groove is formed in the first supporting plate, and the bottom end of the flow guide groove is connected with a flow guide pipe; one end of the T-shaped sliding block is connected with the side wall of a sealing ball; a placing hole is formedin a second supporting plate, and manganese dioxide solid particles are placed in the placing hole; an oxygen guide hole is formed in the side wall of the reaction bin; when methane gas leakage occurs in a roadway of a mine, the content of methane in the roadway can be rapidly detected through the methane detection device, and when the content of methane is higher than a predefined value, the alarm lamp can remind workers to evacuate from the roadway.

The invention discloses an integrated ceiling with an automatic induction sterilization device, and relates to the technical field of integrated ceilings. An ultraviolet sterilization lamp is installed on the left side of a ceiling body. A radiator is installed at the upper end of the ultraviolet sterilization lamp. An exhaust fan is installed at the upper end of the radiator. The side face of the exhaust fan is connected with an exhaust frame through an exhaust pipe. An exhaust fence is installed at the lower end inside the exhaust fan. The exhaust frame is installed inside an installation groove formed in the middle of the ceiling body. An intelligent controller is installed at the upper end of the ceiling body. An infrared sensor and a smell detection sensor are installed on the right side of the ceiling body separately and electrically connected with the input end of the intelligent controller through a signal line. The output end of the intelligent controller is connected with the ultraviolet sterilization lamp and the exhaust fan through a wire. The integrated ceiling promotes detection, ventilation and sterilization, and is convenient to use, multifunctional and easy and convenient to control.

The invention provides an injection molding and blow molding combined type forklift tray with high bearing strength. The injection molding and blow molding combined type forklift tray comprises a plastic tray body, wherein the plastic tray body comprises a top plate formed by blow molding of a polyethylene material and middle supporting columns formed by injection molding of a polyethylene material, and the top plate is detachably connected with the middle supporting columns; upper grooves which are embedded into the tops of the middle supporting columns are formed in the top plate; top platereinforcing part mounting grooves for embedding of reinforcing parts are further formed in the top plate, and the top plate reinforcing part mounting grooves are partially formed in the upper grooves;the middle supporting columns are provided with grooves shaped like a Chinese character 'jing' and used for embedding of the reinforcing parts; and when the middle supporting columns are connected with the top plate, the reinforcing parts are clamped and fixed in spaces defined by the grooves shaped like the Chinese character 'jing' and the upper grooves. According to the injection molding and blow molding combined type forklift tray with high bearing strength, the structure of a traditional plastic tray body is optimized, and by adoption of the top plate formed by blow molding of polyethylene and the middle supporting columns formed by injection molding of polyethylene, the overall durability of the tray is ensured.

The invention discloses a BOTDA system based on four frequency division driving. The system comprises a narrow linewidth laser, a first electro-optic intensity modulator, an optical coupler, a polarization controller, a first erbium-doped fiber amplifier, an optical isolator, a single-mode fiber, a first optical filter, a second electro-optic intensity modulator, a second erbium-doped fiber amplifier, a circulator, a second optical filter, an adjustable radio frequency signal generator, a pulse signal generator and a signal processing unit. The upper path of the optical coupler is connected with the polarization controller, the polarization controller, the first erbium-doped fiber amplifier, the optical isolator and the initial end of the single-mode fiber are connected in sequence, the lower path of the optical coupler is connected with the first optical filter, and the second electro-optic intensity modulator is connected with the second erbium-doped fiber amplifier after being modulated by the pulse signal generator. The second erbium-doped fiber amplifier is connected with a first port of the circulator, and a second port of the circulator is connected with the tail end of the single-mode fiber. According to the invention, the frequency difference of two beams of light is Brillouin frequency shift only by 1/4 of an original radio frequency driving signal.

The invention discloses a process for increasing a softening point by mixing buton rock asphalt mortar with Iranian rock asphalt, and relates to the technical field of rock asphalt mortar. The processcomprises the following steps: step 1, preparing the following raw materials: 20-60% of rock asphalt, 100% of matrix asphalt and 3-10% of Iranian rock asphalt; 2, proportionally adding the raw materials in the step 1 into an oil grinding crockery machine, and mixing and oil-grinding the raw materials by the oil grinding crockery machine; step 3, collecting a finished product obtained by mixing and oil milling in the step 2, step 4, detecting the softening point of the finished product collected in the step 3, and bagging after the finished product is detected to be qualified. The softening point can be increased, the preparation is simple, convenient and rapid, the time can be saved, the use is convenient, and the operation is simple; during use, finished product detection is convenient to realize, and the efficiency is improved.

The invention discloses a full-automatic roll material carrying and transferring manipulator which comprises a portal frame. The lower portion of the portal frame is movably connected with a clamp, the clamp comprises a connecting block, one end of the connecting block is fixedly connected with a winding drum and an in-place detection mechanism, and the two sides of the interior of the winding drum are movably connected with tensioning material pulling mechanisms; the tensioning material pulling mechanism comprises a movable block movably connected into the winding drum, a material tensioning air cylinder is fixedly connected to the movable block, and the movable end of the material tensioning air cylinder penetrates through the side wall of the winding drum and is located on the outer side of the winding drum. According to the double-roll automatic material pulling device, double-roll material taking and unwinding are adopted, double-roll automatic material pulling in place can be automatically carried out according to requirements, and the carrying efficiency is improved; the air bag cylinder achieves tensioning, air bag standard parts are simple and easy to control, and assemblies can be replaced and maintained; and meanwhile, automatic material taking and automatic discharging can be achieved, and coil stock detection can be achieved conveniently.

The invention discloses an intelligent constant temperature water heater, and relates to the technical field of water heaters. The intelligent constant temperature water heater comprises a constant temperature water heater body, wherein an intelligent controller and a touch display screen are mounted on the constant temperature water heater body; the touch display screen is connected with each of the input end and the output end of the intelligent controller; a water flow control valve is mounted on the water discharge pipe of the constant temperature water heater body; a water temperature detection sensor is mounted on the water discharge pipe; the water temperature detection sensor is connected with the input end of the intelligent controller; the output end of the intelligent controller is connected with the water flow control valve; the communication end of the intelligent controller is connected with a wireless signal adapter; the wireless signal adapter is in wireless connection with a wireless network device through the wireless network; and the wireless network device is in wireless connection with a control terminal through the wireless network. The intelligent constant temperature water heater has the benefits as follows: the wireless control is realized conveniently, the detection of both water flow and water temperature is realized, the one-step regulation is completed conveniently, the operation is simple and convenient, and the efficiency is high.