394results about How to "Flexible installation position" patented technology

The invention relates to an external high-definition on-site law enforcement recorder. The recorder has the advantages of simple structure, convenient use, capability of imaging with high definition, convenient image playback, easy correction of camera shooting direction and the like. The structure of the recorder is that: a driving control circuit and a battery are arranged in a shell; the shell is externally connected with a high-definition camera through a connecting wire; the high-definition camera is connected with the driving control circuit and is provided with a corresponding movable filtering device and a lens direction aligning and imaging deflection correcting device; the driving control circuit is also connected with a wireless transmitting device; and the shell is provided with a data interface which is connected with the driving control circuit.

The invention provides an elevator running detection method and device based on relative air pressure and height error correction. The real-time elevator car height is calculated according to the relative air pressure of the real-time elevator position and the previous elevator leveling position, and the elevator leveling state is judged by calculating changes of air pressure data within the preset time; whether the leveling fault exists in an elevator car or not is judged through the comparison of the real-time height and the standard height; the standard height serves as the standard value,and accordingly the error existing during real-time elevator car height calculation and judgment is corrected; the current floor number is calculated through comparison of the real-time height and thestandard height; the elevator car running direction is judged according to the front-back relative air pressure difference of different positions during elevator car running; and elevator car runningspeed is calculated through the real-time height difference during elevator running within the sampling period and in combination with the sampling time. The device is low in economic cost and flexible in installing position. The coincidence degree between the elevator car running information obtained through analysis of a calculation method based on relative air pressure and height error correction and the actual elevator running information is high, and reliability is high.

The invention discloses a silicon capacitor microphone which comprises a first circuit board provided with an external bonding pad, a second circuit board arranged on the first circuit board vertically, an MEMS acoustic chip arranged on the second circuit board, an internal sound hole which can act on the MEMS acoustic chip by sound waves and is arranged on the second circuit board on the position of the MEMS acoustic chip, a shell which is adhered to the first circuit board and the second circuit board and forms two sealed cavities, an external sound hole arranged on the external wall of one or two of the sealed cavities for receiving external audio signals, and an electron component arranged on the first circuit board or/and the second circuit board. Therefore, the volume of the back cavity of the silicon capacitor microphone is increased to a large extent, the area of the silicon capacitor microphone is reduced greatly, the installation positions of the internal parts of the silicon capacitor microphone are more flexible, and the functions of a directional microphone can be realized easily on the base of the structure.

The invention belongs to the field of structural vibration reduction, and in particular, relates to an electromagnetic eddy rotating damper. The electromagnetic eddy rotating damper comprises an outer cylinder, an inner cylinder and a lead screw, wherein the inner cylinder is positioned in the outer cylinder; the outer peripheral surface of the lead screw is matched and connected with a screw nut; the outer peripheral surface of the lead screw is fixedly connected with the inner wall of the inner cylinder; a coil is arranged on the outer peripheral surface of the inner cylinder; an annular permanent magnet is fixed on the inner wall of the outer cylinder, and is corresponding to the coil; a thrust bearing is arranged between the outer cylinder and the screw nut; and a roller bearing is arranged between the outer cylinder and the inner cylinder. The electromagnetic eddy rotating damper can effectively consume the energy of earthquake and wind vibration; in particular, under major earthquake, the damper is more obvious in energy consumption; and the damper is small in size and various in mounting forms.

The invention provides a wall-mounted air conditioner indoor unit. The wall-mounted air conditioner indoor unit comprises a shell, a heat exchanger, an air injection assembly, a first air supply assembly and a second air supply assembly, wherein the shell comprises a cover enclosure and a front panel arranged on the front portion of the cover enclosure; the top wall and the sidewalls of the coverenclosure are all provided with air inlets, and the lower portion of the front panel is provided with an oblong air supply outlet; the heat exchanger is provided with a first heat exchange section anda second heat exchange section; the air injection assembly is arranged in the air supply outlet and comprises a first air injection part and a second air injection part which are arranged transversely; the first air injection part and the second air injection part are used for injecting airflow in the air injection parts forwards and driving ambient air in air suction holes defined by the inner peripheral walls of the air injection parts to be sent forwards; the first air supply assembly is used for producing first heat exchange airflow flowing in from the air inlets, conducting heat exchangewith the heat exchanger and then supplied into the first air injection part; the second air supply assembly is used for producing second heat exchange airflow flowing in from the air inlets, conducting heat exchange with the heat exchanger and then supplied into the second air injection part. By adopting the wall-mounted air conditioner indoor unit, the air supply amount is increased, and the indoor temperature is lowered uniformly.

The invention provides a method for measuring the spatial position of a traffic sign based on a two-dimensional image. The absolute position of a target traffic sign center in a three-dimensional space can be obtained by collecting measurement data of the traffic sign, labeling the measured original image data, and performing data post-processing combined with positioning data. Traffic signs on the road are measured using conventional monocular cameras/cameras installed in the vehicle interior and high-precision positioning equipment to obtain the location information of traffic signs in three-dimensional space.

The invention relates to a plug valve assembly for an embedded gas stove. The plug valve assembly comprises a valve body, a knob, a first trigger block, a first detection component, a gas feeding port, a gas discharging port and a valve core; wherein the valve core is arranged between the gas feeding port and the gas discharging port, the knob is connected with the valve core in a rotating way, the valve core is cylindrical or conical and is provided with a gas feeding hole and a gas discharging hole, and a cavity is arranged in the valve core; the first trigger block is arranged on the knob, and the first detection component is used for detecting the state of the first trigger block; and the gas discharging port comprises a first gas discharging port and a second gas discharging port. The plug valve assembly is characterized by also comprising a second trigger block and a second detection component, an included angle is formed by the second trigger block and the first trigger block, the second detection component is used for detecting the state of the second trigger block, and the gas feeding hole and the gas discharging hole of the valve core are arranged on the sidewall of the valve core. The plug valve assembly for the embedded gas stove has the advantages that hidden risks of non-tight closing of the valve core can be eliminated, and control signals can be sent more intelligently to an electrical device connected with the plug valve assembly.

The invention relates to a transparent vehicle-mounted digital instrument controller and a display brightness controlling method of the transparent vehicle-mounted digital instrument controller. According to the transparent vehicle-mounted digital instrument controller and the display brightness controlling method of the transparent vehicle-mounted digital instrument controller, a transparent display screen is used, external light signals are collected through a light detection sensor, light and display brightness corresponding levels are set in the controller, in the use process, by adjusting the display brightness under the current light intensity, the controller can automatically set matching data of the display brightness under different degrees of environment brightness, and a display effect most suitable for a user is achieved. The brightness of a transparent vehicle-mounted digital instrument varies with the external light, so that the visual effect for people is better. By means of the transparent vehicle-mounted digital instrument controller and the display brightness controlling method of the transparent vehicle-mounted digital instrument controller, the visual effect of the transparent liquid crystal instrument under the variation of the environmental light can be optimized, and the visual requirements of different people can be met. The transparent instrument can automatically adjust the display brightness according to the variation of the intensity of the external light, the installation position of the transparent instrument is flexible, and driving sight is not affected even when the transparent instrument is installed in front of a windshield.

The invention provides a foreign matter detecting device for a light inspection machine of hydro-acupuncture ampoule bottles. The device is characterized by comprising a synchronous following image acquisition device, a mechanical jaw bottle clamping device and a main driving system, wherein the synchronous following image acquisition device is provided with a hollow direct-drive servo motor; the hollow direct-drive servo motor is fixedly connected with a hollow direct-drive servo motor output flange; the hollow direct-drive servo motor output flange is fixedly connected with one ends of at least two revolving arms; at least one revolving arm is provided with backlight mounting bases and camera mounting bases, and the rest of the revolving arms are provided with bottom light source mounting bases and camera mounting bases; backlights are arranged on the backlight mounting bases; bottom light sources are arranged on the bottom light source mounting bases; and cameras are arranged on the camera mounting bases. The cameras, the backlight sources and the bottles to be detected are high in synchronism, so that the image acquisition quality of the cameras is guaranteed, and the detecting precision of the light inspection machine is greatly improved.

The invention provides a wall-mounted air conditioner indoor unit. The indoor unit comprises a shell, a heat exchanger, a first air jetting part, a second air jetting part, a first air supply assemblyand a second air supply assembly; the shell comprises a cover shell and a front panel arranged in front of the cover shell, the front panel is provided with a first air supply port and a second air supply port which are in long circle shapes, and the shell is arranged obliquely downward relative to a supporting wall so as to make the air supply ports be inclined downward; the heat exchanger is arranged in the shell, and the position of the heat exchanger communicates with an air inlet; the first air jetting part is arranged in the first air supply port, the second air jetting part is arrangedin the second air supply port, the inner circumferential wall of the first air jetting part and the inner circumferential wall of the second air jetting part are provided with a first air jetting port and a second air jetting port which allow the air flow subjected to heat exchange to be discharged correspondingly, and the air flow subjected to heat exchange drives the air in center air draft hole of the first air jetting part and the air in the center air draft hole of the second air jetting part to be sent out obliquely downward; and the first air supply assembly and the second air supply assembly are arranged in the shell at intervals, and are used for providing heat exchange air flows for the first air jetting part and the second air jetting part respectively. According to the scheme,the air supply amount is increased, so that the temperature of the indoor temperature is reduced integrally and uniformly.

The invention discloses an isothermal constant-speed sampling device of fly ash. A sampling head is arranged at the front end of a sampling gun; the sampling gun is arranged inside a flue; the tail part of the sampling gun is connected with a cyclone separator through a second heat-resisting metal hose; a first heat-resisting metal hose is sleeved outside the sampling gun and the second heat-resisting metal hose; one end of the first heat-resisting metal hose is communicated with the flue; the other end of the first heat-resisting metal hose is connected with an air extractor through a dust remover; a ball valve is connected to the lower end of the cyclone separator; the top part is connected with the filter; the filter is connected to a flow meter; the flow meter is connected with the air extractor; a heater is arranged outside the filter and the cyclone separator; one end of a first thermocouple is connected with a temperature transmitter; the temperature transmitter is connected with a temperature control system through a signal wire; one end of a second thermocouple is arranged inside the cyclone separator; and the other end of the second thermocouple is connected with the temperature transmitter. The heat-resisting efficient filter for isothermally sampling obtains actual particle size distribution of the fly ash in the smoke. The content of pollutants such as heavy metal in the fly ash of a sampling point is accurately reflected by the sampling device.

The invention relates to a corona current positioning method and a corona current positioning device, and belongs to the technical field of power system operation monitoring and measurement. A biaxial magnetic field sensing measurement system is made based on high sensitivity, wide band, strong anti-jamming capability and other characteristics of a tunneling magnetoresistive magnetic field sensor and the sensitivity thereof to the magnetic field direction, measurement of a magnetic field around corona current in a bad electromagnetic environment is realized using a sensor array, a corona discharge point positioning method is put forward through measurement of the value of the magnetic field, and finally, approximate corona discharge point areas and approximate discharge points are obtained. According to the method and the device, a magnetic field signal generated by a high-frequency corona discharge current is measured based on the measurement advantage of the tunneling magnetoresistive magnetic field sensor, the characteristics of corona current are also taken into consideration, and accurate positioning of corona discharge points is realized. The problem that corona current produced due to equipment insulation defects cannot be positioned accurately is solved. The stability and accuracy of magnetic field and current measurement in an extreme electromagnetic environment are improved greatly. The operation stability and insulation level of the power grid are improved.

The invention relates to a urban intelligent parking network management system comprising an intelligent big data control center, wireless geomagnetic sensors installed in a parking lot, vehicular electronic tags installed on vehicles, and first readers installed on the entry and the exit of the parking lot. Second readers are installed in the wireless geomagnetic sensors and identify the vehicular electronic tags in order to detect parking stall states and vehicle owner information. Communication connection among the wireless geomagnetic sensors at different parking stalls is achieved through Bluetooth modules and the wireless geomagnetic sensors are connected with the intelligent big data control center through a wireless WIFI transmission module. The first readers read the vehicular electronic tags to obtain vehicle information and automatically calculate parking charge according to parking time. The urban intelligent parking network management system also comprises a smart phone terminal in which an ETC-style non-stop charging program is installed. The urban intelligent parking network management system standardizes and rationalizes urban parking, guarantees high parking efficiency, and achieves an intellectualized characteristic.

The invention discloses a two-axis four-frame stabilized platform structure, which comprises an inner frame system and an outer frame system. The inner frame system and the outer frame system are connected through a stable axis. The outer frame system comprises an outer azimuth frame and an outer pitching frame, wherein the outer azimuth frame and the outer pitching frame are connected through a torque motor. The inner frame system comprises an inner azimuth frame and an inner pitching frame, wherein the inner azimuth frame and the inner pitching frame are connected through an azimuth axis. The top end of the azimuth axis passes through the inner wall of the inner azimuth frame and is connected with an azimuth goniometer in the inner azimuth frame. The stabilized platform is high in precision, but is slightly large in size and weight; and since the stable framework is arranged inside the platform body, disturbance torques of wind resistance torques and the like cannot act on a stable loop, and what influences stabilization precision is only some more deterministic factors of friction torques and the like, that is, higher stabilization precision can be achieved when flying with an aerial carrier.

An air-conditioner indoor set comprises a front face housing covering the face side of the air-conditioner, a rear housing arranged at the rear portion of the air-conditioner, the front face housing and rear housing enclose a chamber for accommodating the internal components of the indoor set. The front face housing comprises a front panel and front face frame, the front face housing and the rear housing are connected through the fastening apparatus on the upper portion of the air-conditioner and clamp device located at the lower portion of the air-conditioner. The air-conditioner indoor set with the arrangement by the invention can facilitate the external and internal cleaning for components e.g. evaporator, air duct, through-flow blades and filtration grids.

The invention provides an indoor unit of a wall-mounted type air conditioner. The indoor unit comprises a housing, a gas spraying part and an air feeding assembly, wherein air inlets are separately formed in two sides of a case of the housing; a long circular air feeding hole is formed in the upper part of a front panel of the housing; the housing is downwards arranged in an inclined mode for supporting a wall body, so that the air feeding hole faces towards the inclined lower side; the gas spraying part is arranged in the air feeding hole, a ring-shaped outer wall of the gas spraying part anda ring-shaped inner wall of the gas spraying part co-define an air supply cavity, and a gas spraying hole is formed in the edge on which the ring-shaped outer wall is connected with the ring-shaped inner wall for forwards spraying out gas flow of the air supply cavity, and sucking air behind the air feeding hole to pass through the air exhaust hole to feed out towards the inclined lower side; andthe air feeding assembly comprises a centrifugal fan and an air guide part, and the centrifugal fan is configured to introduce ambient air from the air inlets to exchange heat with a heat exchanger,and the air guide part is used for exhausting heat-exchanged air flow to the air supply cavity. The indoor unit of the wall-mounted type air conditioner is compact in structure, is soft in air feedingand is good in comfort.

The invention discloses an unmanned vehicle brake assist actuator, comprising: an electric motor; A ball screw, a slide table threaded to the ball screw and a linear guide rail; A pulling pressure sensor mounted on the sliding table for collecting pulling force information of the pedal cable in real time; A displacement sensor for collecting the displacement information of the tension pressure sensor in real time; A pedal cable, one end of which is connected with a tension pressure sensor and the other end of which is connected with a brake pedal mounted on the bottom plate of the cab; A controller that sends an on signal or a stop signal to the motor and receives displacement information sent by the displacement sensor and tension information sent by the tension sensor. The brake assist actuator realizes the mechanical movement of the motor, the transmission mechanism, the pedal cable and the like through the instructions issued by the controller, and then pulls the brake pedal movement, and carries out the feedback of the accurate pedal depth and the pedal force through the tension pressure sensor and the displacement sensor, and finally realizes the accurate automatic control function of the brake pedal in the automobile unmanned driving.

The invention relates to a domestic intelligent stir-frying robot which comprises a pouring unit, a pan unit, a heating unit, an oily fume treatment unit, a solid seasoning feeding unit and a liquid seasoning feeding unit, wherein the pouring unit, the pan unit, the heating unit and the oily fume treatment unit are arranged in a cabinet, and the solid seasoning feeding unit and the liquid seasoning feeding unit are hung on the cabinet. A center controller and a code scanning module are arranged in the cabinet, the pouring unit, the pan unit, the heating unit, the oily fume treatment unit, thesolid seasoning feeding unit, the liquid seasoning feeding unit and the code scanning module are connected with the center controller, the code scanning module comprises a code scanning device and a code scanning module group, the code scanning device is used for reading coded information on a dish box, the code scanning module group is used for transmitting the information acquired by the scanning device to the center controller in a packaged manner, the center controller inputs and stores attributes of corresponding dishes varieties according to codes, and code storage information and code scanning information are compared, so that stir-frying instructions of corresponding menus are transmitted to the stir-frying robot. The stir-frying robot is highly intelligent, and standardization andintelligent management of minimally processed vegetable delivery are achieved.

The invention discloses a hydraulic drive reciprocating duplex pump. The hydraulic drive reciprocating duplex pump comprises a duplex pump head installed on a rack. Cylinders of the duplex pump head are driven by a first piston rod and a second piston rod to make suction and discharging motion respectively. The duplex pump further comprises gears, a reversing device, an oil pump, an oil tank, a first single-piston-type double-outlet-rod hydraulic cylinder and a second single-piston-type double-outlet-rod hydraulic cylinder, wherein the first single-piston-type double-outlet-rod hydraulic cylinder and the second single-piston-type double-outlet-rod hydraulic cylinder are arranged on the rack in parallel. The reversing device comprises a two-position six-way reversing valve and a transmission lever, one ends of the piston rods of both the hydraulic cylinders are linearly connected with the corresponding piston rods of the duplex pump head respectively to push the piston rods to make reciprocating motion in the pump cylinders, corresponding tooth patterns are formed in the opposite faces of the other ends of the piston rods of the hydraulic cylinders, and the gears are arranged between the piston rods of the hydraulic cylinders at the end and meshed with the tooth patterns on all the sides to drive the piston rods to move reversely. The hydraulic drive reciprocating duplex pump is small in overall size and convenient to detach and maintain, force does not need to be decomposed or worn down, the overall stroke is performed at a more constant speed, stepless speed regulation can be carried out without shutdown, the synchronous co-movement is strong, and the suction and the discharging are more stable.

The invention discloses a positioning device and method on the basis of inertia data and visual features, and a robot. The positioning device is a movable visual positioning device and comprises an image acquisition module, an image processing module, an inertia data acquisition processing module and a mixed positioning module, wherein cameras of the image acquisition module face downwards and areput in the preset position of the positioning device and used for avoiding collision of an obstacle during advancing; the image processing module comprises an image pre-processing submodule and a feature matching submodule and used for processing acquired image data; the inertia data acquisition processing module is used for sensing the rotary angle information, accelerated speed information andtranslational speed information of an inertia sensor in real time; and the mixed positioning module is used for mixing the environment information obtained by all sensor modules so as to achieve positioning. Compared with the prior art, the cameras are effectively prevented from being blocked by the obstacle during advancing of a machine, feature-matched image data and inertia data are mixed, a landmark is updated in combination with the relative position relation, then the feature matching result is more accurate, and the robustness of a positioning algorithm is enhanced.

The invention relates to the technical field of self-service rental and sales equipment for mobile power packs, in particular to a dynamic password-based self-service rental and sales terminal for mobile power packs, a system using the terminal, and a control method of the system, and solves the technical defect that existing self-service rental and sales equipment for mobile power packs is high in cost and inconvenient to use. The dynamic password-based self-service rental and sales terminal for mobile power packs comprises a rental and sales main unit and more than two mobile power packs arranged in the rental and sales main unit; a master control MCU (microcontroller unit) management module is arranged in the rental and sales main unit and is connected with an electrically controlled lock mechanism that locks or releases the mobile power packs, the master control MCU management module is connected with a dynamic password token module for generating a dynamic password, the rental and sales main unit is provided with a dynamic password input module connected with the master control MCU management module for providing dynamic password input; connection to the internet is not required, the production cost of the dynamic password-based self-service rental and sales terminal for mobile power packs is reduced, and the dynamic password-based self-service rental and sales terminal for mobile power packs is flexible and convenient to mount.