205results about How to "Monitor work status" patented technology

The invention discloses a general band gap reference starting circuit, which is a current comparison structure and composed of a self-biasing circuit, a current mirror comparison circuit and a pull-down transistor. When used for a voltage mold band gap reference starting circuit, reference currents only need to meet a certain range, the circuit is simple in structure. When used for a current moldband gap reference circuit, the band gap reference circuit works in a wrong working state due to multiple degeneracy points, a current comparison result quickly starts up the starting circuit and enables the band gap reference circuit to be in a normal working state. Simultaneously, a new current comparison result immediately opens the starting circuit, and the reference circuit is not influenced. The starting circuit has good adaptation to working voltage, is not influenced by power voltage change including transient fluctuations and less influenced by process angles, and a circuit structureis simple, thereby being easy to achieve. The general band gap reference starting circuit effectively solves the starting problem of the band gap reference circuits of the two modes and is generally applied to the band gap reference circuit structure under complementary metal oxide semiconductors (CMOS) process.

The invention relates to radar signal processing and relevant technical fields, in particular to a network and SRIO data exchanging plate based on a VPX bus and a control method for the network and SRIO data exchanging plate. The network and SRIO data exchanging plate based on the VPX bus comprises a power module, an FPGA (field programmable gate array) control module, a first SRIO exchanging module, a second SRIO exchanging module, a network exchanging module, a network interface module, an FLASH module, a debugging serial port module, an FPGA debugging port and an LED (light emitting diode) lamp display module. The problems that a data transmission mode of the existing signal processing system is inflexible, and the existing signal processing system does not have a system reconfigurable function are solved; an SRIO and network exchanging chip is adopted; a 12-channel SGMII (serial gigabit media independent interface) network and a 10-channel SRIO port can be exchanged; and the 10-channel SRIO port can be configured into an X4 or X1 SRIO exchanging port according to different application requirements. The data exchanging plate has the advantages that the data exchanging plate is high in integration level and real-time in exchanging and has abundant ports.

The invention provides a remote monitoring and fault diagnosing system for a numerically controlled slitter and a method for realizing the same. The system comprises a controlled end 1 of a numerical control system of the slitter, a transfer station 2 of a serial port server and a main control end 3 of a remote monitoring and fault diagnosing center server, wherein the controlled end 1 is controlled by an industrial computer PC/104 and communicated with the transfer station 2 through an RS-485 serial port; and the transfer station 2 is communicated with the remote main control end 3 through the Internet network. The realization method realizes functions of remotely monitoring and diagnosing faults of the numerical control slitter by formulating a remote monitoring control strategy and a communication protocol. The system and the method have the characteristics of lowering maintenance cost of machines, shortening downtime and improving production efficiency.

The invention discloses a full-automatic liquid nitrogen filling device and a control method thereof. A temperature sensor (7) is arranged in a liquid nitrogen container (3) in a high temperature superconducting coil, and a liquid nitrogen delivery pipe (5) is arranged between a liquid nitrogen dewar (1) and the liquid nitrogen container (3) in the high temperature superconducting coil. When liquid nitrogen in the liquid nitrogen container (3) in the high temperature superconducting coil achieves the low position, a liquid adding controller (2) delivers liquid nitrogen low position temperature marginal value information according to the temperature sensor (7) to be instruments to start up a miniature pump (4) to open a switch, the miniature pump is opened, and air presses the liquid nitrogen in the liquid nitrogen dewar (1) into the liquid nitrogen container (3) in the high temperature superconducting coil. When liquid nitrogen in the liquid nitrogen container (3) in the high temperature superconducting coil achieves the high position, the liquid adding controller (2) delivers liquid nitrogen high position temperature marginal value information according to the temperature sensor (7) to be instruments to start up the miniature pump (4) to close a switch, and liquid nitrogen adding is stopped. The full-automatic liquid nitrogen filling device can automatically or manually add liquid, and is free of influences of magnetic resonance magnetic fields and electric fields.

The invention relates to a standby power supply charge-discharge control circuit for a far-end communication base station, which comprises a mains supply access module, an electrical storage device, a mains-supply power supply and electrical storage device power supply conversion module, an electrical storage device charging control module, an electrical storage device discharging control module and a far-end monitoring module. When a mains supply supplies power to base station equipment, a standby power supply charging control module controls the electrical storage device to be in a charging state; and when the mains supply has a fault, the mains-supply power supply and electrical storage device power supply conversion module controls the electrical storage device to supply power to the base station equipment so as to enable the base station equipment to normally work and enable software and hardware of the base station equipment not to be damaged, and simultaneously, the operating state of the standby power supply charge-discharge control circuit of the far-end communication base station can be monitored at a control center by the far-end monitoring module. The invention provides the standby power supply charge-discharge control circuit which is directly supplied with power by adopting the electrical storage device, has under-voltage protection and electrical storage device protection, has a simple circuit structure, is low in cost, is developed by a modern electrical and electronic device and has relatively high stability and reliability.

The invention discloses a device for monitoring working or fusing state of a fuse, and relates to field of power transmission and distribution of power systems. The device for monitoring the working state of the fuse is connected in parallel near the fuse on a power transmission line. One end of the monitoring device is connected with a line load end, and the other end of the monitoring device is connected with a line power end. When the monitoring device monitors the information that the fuse in a three-phase power supply fuses and ages to be broken (no contact) or breaks down, comparison is carried out with the voltage in a monitoring module and after making judgment, the monitoring device sends a fault signal to give an alarm. At the same time, an indication output end sends the signal to electric equipment to cut off the power supply of the electric equipment so as to protect the electric equipment. The monitoring device improves the safety protection factor of a circuit and provides great convenience for the power transmission and distribution management of the power system.

The invention relates to a system for audio transmission via a wireless network, which transmits digital audio signals via a wireless network. The system includes an audio signal transmission unit and a central control unit, wherein the audio signal transmission unit receives audio signals from a piece of upper-level audio equipment, and analog audio signals are converted to digital audio signals and network data packages transmitted to the central control unit via a wireless network. The audio data is received by the central control unit and reverted to audio signals. The system further includes a piece of audio processing equipment for storing, processing or mixing audio signals.

The invention provides an application cluster monitoring device and method. The application cluster monitoring device comprises a first acquisition unit and a judgment unit, wherein the first acquisition unit is used for acquiring operating information of a host computer of a monitored application cluster through a simple network management protocol (SNMP), and acquiring configuration information of the monitored application cluster and database information through Java management extensions (JMX); the judgment unit is used for judging whether the monitored application cluster is normal or not according to the acquired configuration information, the acquired operating information of the host computer and the acquired database information, informing the first acquisition unit of the condition when the judgment result shows that the application cluster is normal, and giving out fault information when the judgment result shows that the application cluster has a fault. By means of the application cluster monitoring device and method, operation and maintenance efficiency can be improved.

The invention relates to an IGBT aging test circuit and method. The circuit comprises a first current source, a second current source, a forward and reverse flow guiding unit and a unit to be tested;the first current source provides an aging test current for the unit to be tested through the forward and reverse flow guiding unit; the forward and reverse flow guiding unit is used for adjusting thedirection of the aging test current flowing through the unit to be tested, so as to simulate the IGBT working state by the direction of the aging test current flowing through the unit to be tested; and the second current source provides a junction temperature test current for the unit to be tested, so as to test a saturation voltage of the unit to be tested under the junction temperature test current, and aging test is carried out on an IGBT through the saturation voltage. According to the IGBT aging test circuit provided by the invention, the aging test of the IGBT is completed by the agingtest circuit, and the service life of the IGBT is evaluated and predicted online, which can effectively monitor the working state of the IGBT, replace the IGBT that is about to be damaged in advance,and ensure the safe operation of a railway train.

The invention discloses an intelligent component transporting method and system used for a prefabricated building. Components conveyed to a construction site are numbered according to a code system made according to a construction drawing and correspond to installation positions in a one-to-one mode, and the numbered components are conveyed to be within the hoisting range of a tower crane at the construction site according to the construction sequence; the tower crane hoists the components to a travelling bogie in sequence, the components are transversely conveyed to the workpiece loading position of each intelligent hanging lifting unit through the traveling bogie, the intelligent hanging lifting units convey the components to the installation stations, the unloaded traveling bogie returns to be loaded with the next component, and one working cycle is completed; and a climbable supporting base is controlled by an intelligent control device to climb to the new construction station upwards and automatically every time one or two storeys of the building are completed, and the next round of construction is conducted. The intelligent component transporting system is composed of a component conveying device and an intelligent control system. Building formwork components can be conveyed to the installation positions through crossed arrangement of longitudinal beams and transverse beams, and time and labor are saved.

The invention discloses an intelligent gear. The intelligent gear comprises a gear body and a monitoring device, wherein gear tooth grooves and gear grooves are simultaneously formed in gear teeth and the bottom between adjacent teeth; or only the gear tooth grooves or the gear grooves can be formed, wherein the gear tooth grooves comprise two gear tooth grooves which form equal-distance curves with tooth outlines respectively, and straight-line gear tooth grooves between the tooth crest of the gear teeth and the crossed point of the two curved gear tooth grooves; the gear grooves are straight-line gear grooves arranged in tooth grooves and located in the radial direction of the gear body; the gear tooth grooves and the gear grooves are filled with elastic bodies; the monitoring device comprises a data receiving device and sensors arranged in the elastic bodies; the sensors and the data receiving device are wirelessly connected. According to the intelligent gear, parameters including torques, rotary speeds, stress, strain, accelerated speeds, temperatures and the like of the gear which reflect the working condition of the gear can be effectively monitored in real time by using a memory property and a deformation controllable property of an elastic body material and an intelligent sensing detection capability of the sensors; the technical defects in an existing transmission device that the stress and the strain of the gear cannot be monitored are overcome.

The invention discloses a long spiral drilling machine based concrete pouring monitoring system, which comprises a monitoring module, a control processing module, a remote server, a display module, a communication module, an alarm module and a mobile terminal, and is characterized in that the control processing module stores and calculates data of all sensors, the concrete pouring amount of the unit pile length is obtained through calculation of the data of all sensors, the pile shape is displayed on a display in a graphical manner, and reference is provided for adjusting the lifting speed of a long spiral drilling rod. According to the invention, construction conditions of a long spiral drilling machine can be displayed in real time, and the concrete pouring amount, the pile body pouring quality and the operating state of a concrete conveying pump are monitored and displayed on an interface of the display in a graphic and data manner, thereby being convenient for an operator and a construction manager to master the operating state of construction machinery and the pile pouring quality, and improving the engineering construction management level.

The invention discloses a modular control device for a platform door system. The modular control device comprises an SIG module, a PSL module and an IBP module. The SIG module is used for connecting the platform door system with an interface module of a background control system and receiving a door opening and closing instruction sent out by the background control system. The PSL module is used for connecting interface modules of local control panels inside the platform door system and receiving a door opening and closing instruction from the local control panels as well as a logical instruction formed by the multiple sets of the local control panels. The IBP module is used for connecting an emergency control interface module inside the platform door system and receiving a door opening and closing instruction from an emergency control panel as well as a smoke discharging control instruction. The self-diagnosis, modularization and multi-circuit control characteristics are achieved. The robustness and maintainability of the control device of the platform door system can be greatly improved. Due to the modular design, design cost can be greatly reduced, and the application prospects are good.

The invention relates to an electronic water pump for a vehicle, which includes a power part, a turbine, a stator part, a rotor part and a casing part. The power part is used as a power source of the water pump to drive the water pump to run. Drive the rotor part and/or the turbine to run, the stator part is installed in the casing part, a rotor cavity is formed inside the stator part, the rotor part is supported in the rotor cavity inside the stator part, and the rotor part is formed inside Cavity for fitting the turbine.

The invention is applied to the technical field of photovoltaic power sources, and provides a photovoltaic module optimizer redundancy direct connection device and a control method of the photovoltaic module optimizer redundancy direct connection device. The redundancy direct connection device and the module optimizer are connected in parallel and capable of being installed inside a photovoltaic module junction box or formed into a single module. The photovoltaic module optimizer redundancy direct connection device comprises a power switch circuit and a drive control circuit which controls on-off of the power switch according to received signals from the module optimizer, enables the redundancy direct connection device to be shut off during working in the module optimizer and imposes on influence on the maximum power point tracing of the module optimizer. When the module optimizer fails, the redundancy direct connection device enters the direct connection mode, enables the failed photovoltaic module to work ordinarily and increase reliability of the photovoltaic system.

The invention provides an electromagnetic pilot valve driver. The driver comprises an input module, a power supply processing module, a storage unit and a central processing unit (CPU) processing module, wherein the input module is used for receiving a power supply signal and a control signal which are transmitted by a controller of a hydraulic bracket; the power supply processing module is used for receiving the power supply signal transmitted from the input module, and converting the power supply signal into a required voltage to supply electricity to the electromagnetic pilot valve driver; the storage unit stores different configuration files corresponding to hydraulic brackets in different types, wherein the configuration fields record definitions of different output command ports; and the CPU processing module is used for receiving the control signal transmitted by the input module, receiving the type of the hydraulic bracket transmitted by the controller of the hydraulic bracket from the input module, analyzing a control command, reading the configuration file corresponding to the storage unit according to the type, and generating a corresponding control signal according to the read configuration file. By the electromagnetic pilot valve driver, the electromagnetic pilot valve group with different hydraulic bracket types can be automatically driven.

The invention discloses a station identification system based on an AGV and a control method thereof.The system comprises a guide rail, a station identification and a central control interaction device, wherein the station identification is arranged on a corresponding station, an AGV body runs between different working regions along the guide rail under the control of the central control interaction device, and when the AGV body travels to the position of the station identification, an infrared probe making contact with a starting mark line in a station identification unit transmits a signal to a core board through an infrared level switching board, and the core board conducts low-signal timing on all the infrared probes; the time difference of the infrared probes making contact with a buffer mark line is recorded and offset; signal change and retention time of the infrared probes passing through the buffer mark line, a road section mark belt and a character string code value in sequence are recorded, decoding is conducted to obtain the number of character strings and corresponding station information, and the information is displayed on a human-computer interaction interface of the central control interaction device.The system is reasonable in design, economical, efficient, and capable of improving automation level and production efficiency.

A system insight display includes a complex programmable logic device (CPLD), a network connecting module, and a baseboard management controller (BMC). The CPLD monitors a plurality of states of a plurality of function components. The BMC connects the CPLD through a predefined bus. The BMC can receive information corresponding to the plurality of states from the CPLD and establish a user interface to indicate the plurality of states. The BMC can respond to a display request from a remote computer through the network connecting module to display information regarding the plurality of states to the user interface.

This invention relates to a chemical luminous detector used in on-line monitoring/detecting pollutants in water samples including: a fluid transportation part, a chemical luminous monitor-detect part and a control part of a working control machine, in which, the reagent and a water sample to be tested enter into the screw channel of the chip of the flow cell of the detection part via their transporting parts then to be discharged from the outlet of waste solution after being mixed, the screw channel of the flow cell chip is opposite to the photosensitive window of a multiplier phototube and the original signals are connected with the input of the work control machine via a high resistance operation amplifier, a high frequency modem, a signal processor and a 16 A/D converter.

The invention discloses a video monitoring method and a system. The method comprises the steps of collecting a face image of a detected object in real time on the condition of natural light sources, analyzing the face image, obtaining eyelid information of an eye image of the detected object, judging whether the eyelid information of the eye image of the detected object conforms to preset warning conditions, and triggering a warning if the eyelid information of the eye image of the detected object conforms to preset warning conditions. The method is used in the system to prevent damages to human eyes caused by usage of infrared light and has a few requirements for hardware.

The invention relates to a solid-liquid separation disc filtering system, which comprises a central support (1), a filter disc (2), a hollow shaft (5), filter cloth (3) and a suction disc (4), wherein the filter disc (2) and the hollow shaft (5) are arranged on the central support (1); the filter cloth (3) is arranged on the filter disc (2); the hollow shaft (5) can rotate; and the suction disc (4) is arranged on the hollow shaft (5) and can contact the filter cloth (3). In the disc filtering system, when the filter cloth is washed, the filter disc is fixed steadily, but the suction disc rotates; and this design makes the entire filtering system more energy-saving. In addition, the design of an independent water outlet pipe allows a signal filter unit to be replaced without cutting off water and the working condition of each filter unit to be monitored. Meanwhile, the modularized filter disc makes the entire filtering system more flexible.

The invention discloses a multifunctional signal indicating lamp button. A button, a red LED and a green LED are integrated in the multifunctional signal indicating lamp button, the button end is connected to a power-on control signal FP_PWRBTN_N, when the Power button is pressed, the FP_PWRBTN_N is changed into a low level, and sent to a PCH unit, the PCH sends a power on signal to a CPLD, the CPLD starts power-on time sequence control of a mainboard, and a mainboard system is powered on normally. According to the invention, power indication, alarm and power-on control signals are controlled by one signal lamp, the single signal lamp is multifunctional, and the PCB occupation area can be reduced effectively.

The invention discloses a network commodity marketing device capable of storing audio and video. The network commodity marketing device comprises a database server (1) for storing commodity data and client data of a solid shop; an IM server (2) for providing instant communication services; a WEB server (3) connecting the IM server and the database server, wherein, the WEB server provides a customer client machine to access commodity information and judges whether the customer client machine is provided with a webpage built-in IM plug-in unit, if no, the WEB server transmits the IM plug-in unit to the customer client machine for installation; a merchant client machine (4) which is connected with a video input device (41) and an audio input device (42), arranged in the solid shop and provided with IM software, and performs real-time communication with the customer client machine after logging on the IM software.; and a mail server (5) which is connected with the database server (1), the IM server (2) and the WEB server (3), and is used for providing mail transmission and receiving services among the merchant client machine (4), the customer client machine and the database server (1).