30results about How to "No inertia" patented technology

The invention relates to a capacitance type MEMS (micro-electro-mechanical system) gas sensor. The capacitance type MEMS gas sensor is particularly suitable for coal mine safety monitoring as well asdetection on methane gas in the air in production and living, can be applied to detection on the gases such as helium, carbon dioxide and argon in special environments, and comprises a thermal actuator and two comb capacitors, wherein the thermal actuator comprises a plurality pairs of silicon beams, a micro-spindle and an anchor area; and each group of comb capacitor comprises a movable comb, onegroup of folding structure spring, a fixed comb and an anchor area. The sensor can detect the concentration of the methane gas, adopts thermal deformation of the silicon beams to drive the capacitance change of the comb capacitors according to the principle that the resistance of a semiconductor material is changed along with the change of the methane content of the peripheral gas under a certaincurrent, and measures the methane concentration of the air according to the capacitance change. The capacitance type MEMS gas sensor has the following advantages of simple structure, high adaptability, no poisoning influence, no abrasion and no inertness due to capacitance type measurement, high temperature and precision stability, high electromagnetic interference resistance and high dynamic response speed.

A same-polarization electrooptical-scanning laser imaging radar transmitting system for down-looking synthetic aperture comprises a laser, a half wave plate, an aperture diaphragm, a first polarization beam splitter, a first 1 / 4 wave plate, a first reflection mirror, a first electrooptical scanner, a first cylindrical mirror, a second reflection mirror, a third reflection mirror, a second electrooptical scanner, a second cylindrical mirror, a second polarization beam splitter, a second 1 / 4 wave plate, a fourth reflection mirror, a transmitter-telescope primary mirror, a high-voltage power source and a signal generator. The same-polarization electrooptical-scanning laser imaging radar transmitting system is capable of electro-optically scanning cross rails of the same polarization state and ultimately realizing parabolic equipotential line difference of two polarization orthogonal light beams at a far-field target, is used for scanning targets, simple in structure, free of mechanical scanning, small in size, light in weight, and particularly suitable for onboard or satellite-borne high-speed operating carrying platforms, and response speed for electrooptical phase modulation wave surfaces is fast and up to nanosecond level.

An M-Z (Mach-Zehnder) electrooptical-scanning orthophoria synthetic aperture laser imaging radar transmitting system comprises a laser, a half wave plate, an aperture diaphragm, a first polarization beam splitter, a first reflection plate, a first electrooptical scanner, a first cylindrical mirror, a second reflection plate, a second electrooptical scanner, a second cylindrical mirror, a second polarization beam splitter, a transmitter-telescope primary mirror, a high-voltage power source and a control computer, wherein the first polarization beam splitter, the second polarization beam splitter, the first reflection plate and the second reflection plate are mutually parallelly arranged to form a Mach-Zehnder structure. The laser imaging radar transmitting system is capable of realizing parabolic equipotential line difference of two polarization orthogonal light beams at a far-field target, is used for scanning targets, simple in structure, free of mechanical scanning, small in size, light in weight, and particularly suitable for onboard or satellite-borne high-speed operating carrying platforms, and response speed for electrooptical phase modulation wave surfaces is fast and up to nanosecond level.

The invention relates to a numerical control fly reed mechanism of a towel machine, comprising an electric control box, a numerical control motor, an origin signal acquisition mechanism, a main signal acquisition mechanism and a fly reed, wherein the origin signal acquisition mechanism is arranged on a shaft or a gear which is synchronous with a rotating shaft of the fly reed; the main signal acquisition mechanism is arranged on a shaft or a gear which is synchronous with a main shaft of the towel machine; the main signal acquisition mechanism generates an electric signal and sends the electric signal to the electric control box to control the numerical control motor to rotate forwardly or reversely so as to drive the fly reed to be opened or closed; and the origin signal acquisition mechanism generates an electric signal and controls the numerical control motor to stop working by the electric control box. The numerical control fly reed mechanism adopts the main signal acquisition mechanism to control the opening and closing of the fly reed and adopts the origin signal acquisition mechanism to control the closing and stationary of the fly reed; and the numerical control motor adjusts a rotating angle of a reed seat, thus being capable of realizing fast or slow weaving of various fur-type or special-type furs, and the wool yarn has good weaving quality. The numerical control fly reed mechanism has simple structure, convenient operation, stable running, low energy consumption, low noise and long service life.

The invention discloses a kind of metallurgical equipment which is convenient for transportation. Its structure includes a power device, a supporting wheel, a blower, a coal powder bin, a coal injection pipe, a cooling cylinder, a gear, a kiln body, and a feeder. The gear is wrapped in the middle of the kiln body. The gear is connected to the power device at the bottom. The two ends of the kiln body are respectively set on the supporting wheels. The kiln body is inclined. The middle of the coal injection pipe is connected with the bottom of the pulverized coal bin, the outlet of the kiln body is connected with a cooling cylinder, the feeder includes a hopper, a shell, a deceleration structure, and a conveying structure, the bottom of the hopper is connected with the top of the shell, and the shell A conveying structure is installed inside the body, and the beneficial effect of the present invention is: by using the cooperation of the elastic device and the baffle during the ore unloading process, the unloading speed is intermittently decelerated, thereby avoiding the gravity inertial impact of ore unloading and reducing the damage to equipment.

The invention discloses a wheel tracking tester automatic detection device which comprises a square base, a turbo-worm reducer, a hollow disc-shaped support part, a butterfly force value sensor and aplurality of linear temperature and humidity sensors, wherein a columnar groove is formed in the upper surface of the square base coaxially, a plurality of columnar guide pillars are uniformly arranged in the groove, close to the periphery; the turbo-worm reducer is fixedly arranged in the middle of the groove, an encoder is arranged at the center of the upper surface of the turbo-worm reducer; the hollow disc shaped support part is provided with columnar through holes matched with the guide pillars, is coaxial with the base and is sleeved on the guide pillars in a vertically moving way; the butterfly force value sensor is fixedly arranged above the encoder by a thread bushing; the lower ends of the linear temperature and humidity sensors are arranged at four opposite angles of the base. The invention also provides a control method of the wheel tracking tester automatic detection device, which adjusts trial wheel displacement and voltage of a detection circuit based on the BP neural network in wheel tracking tester automatic detection. According to the invention, integrated automatic detection is realized; and meanwhile, the accuracy of the test system in a common test environmentis increased.

A bi-channel electrooptical scanning laser imaging radar transmitting system for down-looking synthetic aperture comprises a laser, a half wave plate, an aperture diaphragm, a first polarization beam splitter, a first electrooptical scanner, a first cylindrical mirror, a second polarization beam splitter, a first 1 / 4 wave plate, a first reflection mirror, a third polarization beam splitter, a second 1 / 4 wave plate, a second reflection mirror, a second electrooptical scanner, a second cylindrical mirror, a fourth polarization beam splitter, a transmitter-telescope primary mirror, a high-voltage power source and a signal generator. The bi-channel electrooptical scanning laser imaging radar transmitting system is capable of electro-optically scanning two channels of light beams and ultimately realizing parabolic equipotential line difference of two polarization orthogonal light beams at a far-field target, is used for scanning targets, simple in structure, free of mechanical scanning, small in size, light in weight, and particularly suitable for onboard or satellite-borne high-speed operating carrying platforms, and response speed for electrooptical phase modulation wave surfaces is fast and up to nanosecond level.