44results about How to "Real-time monitoring size" patented technology

A torque servo control loading load simulator comprises a base, a guide strip, a supporting spring plate base, a supporting spring plate, a supporting spring plate cover plate, a lower supporting lug, a side vertical plate, a motor mounting seat, a photoelectric encoder mounting seat, a swing hydraulic motor, a valve block, a servo valve, a rolling bearing, a loading torque sensor, a photoelectric encoder, a probe, a ball bearing, an upper supporting lug, an inertia counterweight disk, an inertia base disk, a spindle, an elastic torque mounting support, an elastic torque sensor, an elastic torque rotating shaft, a swing shifting fork, an elastic torque loading support, an elastic torque spring plate and a spring torque spring plate clamping plate. The torque servo control loading load simulator can simulate the structural characteristics of a rocket exhaust nozzle, wherein the structural characteristics comprise inertia loads, elastic torque loads, set torque loads and supporting stiffness. The torque servo control loading load simulator has the advantages of being simple and compact in structure, flexible in servo loading torque, high in precision, and capable of better reproducing the structural characteristics of the actual rocket exhaust nozzle.

The invention relates to the technical field of network transmission, and discloses a method and a system of displaying video download progress of front-end equipment in real time. The method includes the following steps: first, a client terminal is connected with the front-end equipment, a video download interface is initialized, and a video file is downloaded, second, the client terminal obtains an address of the video file selected by the front-end equipment, third, the client terminal receives video data transmitted by the front-end equipment according to the download address, monitors the size of the video data received from the front-end equipment, and calculates download progress, and fourth, download progress is displayed on a download list page. The method and the system of displaying the video download progress of the front-end equipment in real time are capable of monitoring the size of the data received from the front-end equipment in real time, calculating download progress accurately according to the size of the downloaded video, and facilitating usage of a user.

The invention belongs to the technical field of shield machine lubrication condition monitoring, and proposes a shield TBM oil liquid state on-line automatic monitoring system. The proposed shield TBM oil liquid state on-line automatic monitoring system includes a planetary gear oil tank (1), a main bearing gear main oil tank (2) and an on-line monitoring acquisition control part (9); the on-line monitoring acquisition control part (9) has a plurality of solenoid valves (7); the plurality of solenoid valves (7) and a plurality of planetary gear oil tanks in a shield machine gear oil lubrication system are in one-to-one correspondence; the plurality of solenoid valves are cyclically opened in an on-line monitoring period, and only one is in a normally open state; the on-line automatic monitoring system is also provided with an oil liquid monitoring loop (5); the other ends of the plurality of solenoid valves (7) communicate with the oil liquid monitoring loop (5); and the oil liquid monitoring loop (5) is connected with the on-line monitoring acquisition control part (9). The shield TBM oil liquid state on-line automatic monitoring system provided by the invention ensures reliable lubrication of equipment and safe operation of a shield machine.

The invention relates to the technical field of geological equipment, and discloses a geological disaster site and control system integrating warning and electricity storage functions. The site comprises a monitoring body and a buried box which are arranged in a matched manner. The system comprises a control center and a plurality of geological disaster sites. According to the site and the system,the early warning of the danger can be realized, the displacement change information of the landslide mass can be mastered in real time, the landslide disaster can be predicated, the early warning self-control effect can be achieved, and higher practical value and wide application prospect are provided.

The invention relates to an ozone disinfection power ventilator for remotely and online monitoring air quality. The ozone disinfection power ventilator comprises a ventilator shell which is provided with gas inlets and gas outlets. A plurality of air purification devices are arranged in the ventilator shell. Each air purification device comprises an ozone generator, an ozone removal filter screen and a draught fan. An air quality online monitoring and remote control system comprises a power supply, a direct-current conversion module, an air quality online monitoring module, a WIFI module, an intelligent cloud platform, an intelligent terminal, an IC controller, a draught fan drive module and a motor drive module. The air quality online monitoring module is connected with the WIFI module. The WIFI module is connected with the IC controller and the intelligent cloud control platform. The intelligent cloud platform is connected with the intelligent terminal. The power supply is connected with the IC controller. The IC controller is connected with the draught fan drive module and the motor drive module. By means of the ozone disinfection power ventilator, air quality can be monitored online, data can be remotely downloaded, ventilator ventilation is remotely controlled, people can completely breathe fresh air, and energy consumption can also be obviously lowered.

The invention discloses a servo mechanism force moment loading device and belongs to the technical field of mechanical system test facilities. The friction moment loading of the device can be continuously adjusted by loading hydraulic oil, and meanwhile a loading moment can be monitored through a friction moment sensor in real time; elastic moment loading can be continuously adjusted, a supporting spring plate is used for achieving the supporting rigidity of a servo mechanism for overcoming the strength requirement of a spring moment spring plate, and continuous supporting rigidity adjustment can be achieved by adjusting the clamping position of the supporting spring plate. The servo mechanism force moment loading device has the advantages that compared with a traditional servo mechanism force moment loading device, the friction moment loading of the device can be continuously adjusted by loading the hydraulic oil.

The invention relates to a discharge port size detecting system of a jaw crusher, and belongs to the sensing detection and signal processing transmission technology. The discharge port size detecting system of the jaw crusher comprises a front end sensor subsystem and a control and transmission subsystem; the front end sensor subsystem detects the wear extentsof a fixed jaw plate and a movable jaw plate of the jaw crusher through wear sensors, and outputs the wear extents in a wear signal mode; the wear signals are amplified, filtered and converted to send to the control and transmission subsystem; the control and transmission subsystem calculates the present discharge port size according to the delivery discharge port size and the received wear signals; and the present discharge port size is displayed on a field human-computer interface. The discharge port size detecting system of the jaw crusher can monitor the discharge port size in real time, can timely master the discharge port size information of the jaw crusher through the field human-computer interface or remote login, and guides operators to timely adjust the discharge port size when a discharge portincreases so as to guarantee the qualification of production technology.

The invention relates to the field of overwater unmanned ships, in particular to a control system of an unmanned ship and the unmanned ship. The problems are solved that for existing unmanned ships, fish-finding modules and main control modules of different manufacturers have difficulty in communication and cannot be compatible. The control system of the unmanned ship comprises a protocol conversion module, the protocol conversion module can convert fish-finding protocols of different manufacturers into data protocols which can be identified by the main control modules, data is sent to the main control modules through serial ports or other bus modes, and the fish-finding modules of different manufacturers are compatible; modularization is achieved, and the fish-finding modules of differentmanufacturers are conveniently updated or replaced. Meanwhile, the invention further provides the unmanned ship.

The invention discloses a device for manufacturing large-are micro-nanostructures in batches and a working method of the device. According to the device, the precision and the quality of imprinted patterns and the efficiency and the reliability of micro-nano imprinting equipment are improved, and the service life of a mold is prolonged. According to the technical scheme, the device comprises a base plate, vertical guide rods are fixedly arranged on the base plate, the tops of the guide rods are fixedly connected with a top plate, a support plate is arranged in the middles of the guide rods ina penetrating mode, a driving device is connected with the support plate to drive the support plate to move up and down, and a pressure detection module is arranged between the driving device and thesupport plate; and an auxiliary imprinting module, a main imprinting module and a solidification module are sequentially connected to the bottom of the support plate from front to back, the auxiliaryimprinting module comprises an imprinting roller, a roller shaft is arranged in the middle of the imprinting roller in a penetrating mode, the two ends of the roller shaft are connected with imprinting roller connecting frames, the tops of the imprinting roller connecting frames are connected with a reciprocating mechanism through auxiliary imprinting module guide rods, and the reciprocating mechanism can drive the imprinting roller to move up and down.

The invention discloses a buried culvert desilting system, and belongs to the technical field of desilting equipment. The buried culvert desilting system comprises a scraper bucket and is characterized in that the buried culvert desilting system further comprises a main traction winch, an auxiliary traction winch, a main supporting frame, an auxiliary supporting frame, a main traction steel wire rope, an auxiliary traction steel wire rope, a PLC, a frequency converter and a displayer; a main proximity switch is fixed to the bottom of the main supporting frame, and an auxiliary proximity switchis fixed to the bottom of the auxiliary supporting frame; one end of the main traction steel wire rope is connected with the main traction winch, and the other end of the main traction steel wire rope is connected with the scraper bucket; one end of the auxiliary traction steel wire rope is connected with the auxiliary traction winch, and the other end of the auxiliary traction steel wire rope isconnected with the scraper bucket; and the scraper bucket is driven by the main traction winch and the auxiliary traction winch to do reciprocating motion in a culvert in the length direction of theculvert. Through the buried culvert desilting system, the desilting operation efficiency can be effectively improved, the operation process is visualized, thus, the operation situation of the interiorof the underground culvert can be monitored in real time, and deposits in the underground culvert can be advantageously removed to the greatest extent.

An intelligent freely-compressible bridge replacement support comprises an upper steel plate, a lower steel plate, a support body, an upper screw, a lower screw, a force sensor, a fixing nut and a force application nut. The support body is arranged in a space gap between the upper steel plate and the lower steel plate, the upper screw penetrates through a reserved hole channel of the upper steel plate, the upper end is fixed to the upper steel plate through a fixing nut, and the lower end extends into the force sensor; the lower screw penetrates through a reserved hole channel of the lower steel plate, the lower end is fixed to the lower steel plate through a fixing nut, the upper end extends into the force sensor, and the force application nut is arranged at the upper screw between the upper steel plate and the force sensor. According to the structure, relative movement between the upper steel plate and the lower steel plate is controlled by rotating the force application nut, compression and loosening of the support body are achieved, and meanwhile accurate monitoring of compression force in the operation process can be achieved through the force sensor. The structure is high inintelligent degree, the compression force can be freely adjusted according to actual needs, and the compression force can be monitored in real time.

The invention discloses a non-invasive deep brain region electrical stimulation device which comprises a signal source, a main circuit and a protection control circuit. The signal source is an external signal source and can generate sinusoidal voltage signals of any amplitude within a safe voltage limiting range and input the signals into the main circuit. The main circuit provides alternating current output with constant amplitude and reduces interference caused by current imbalance between the two electrodes. The protection circuit monitors the magnitude of the output current in real time, and when the current is too large, the single-chip microcomputer immediately controls the relay to be powered off to stop the stimulation process. By combining the signal source, the main circuit and the protection control circuit, a stable alternating current signal can be output, whether stimulation is carried out or different stimulation modes are determined according to a calculation result of an upper computer on electroencephalogram signal characteristics, and in addition, when the circuit detects that the current exceeds the human body safety current, the stimulation switch can be immediately switched off to ensure the safety of the subject.

The invention relates to a super-capacitor self-adaptive charging and discharging control system, which comprises a single-chip microcomputer, a charging and discharging circuit, and the super capacitor which are electrically connected in sequence, wherein a control module is arranged in the single-chip microcomputer, the control module is used for controlling the charging and discharging circuit to charge the super capacitor according to the change of the voltage, or controlling the charging and discharging circuit to enable the super capacitor to discharge to the load; when the voltage of the super capacitor is lower than a set value, the control module controls the charging and discharging circuit to charge the super capacitor; or, when the input voltage is lower than the set value, the control module controls the charging and discharging circuit to enable the super capacitor to discharge to the load. The invention further relates to a super-capacitor self-adaptive charging and discharging control method. According to the super-capacitor self-adaptive charging and discharging control system and the super-capacitor self-adaptive charging and discharging control method, intelligent control of different charging speeds is realized, and multistage conversion of the charging speeds can be realized; the single-chip microcomputer is connected into the circuit to monitor the voltage in real time; the current of each branch circuit can be controlled; and a super-capacitor charging mode, a maintaining mode and a discharging mode are freely switched.

The invention relates to the field of lighting lamp boxes, in particular to a frame medium advertising lamp box capable of emitting light. The frame medium advertising lamp box capable of emitting light comprises a frame medium control system capable of emitting light, a counter, a wireless switch, a central processing unit, a power supply module, an LED lamp strip, a reflecting film and a loudspeaker, wherein the counter is mounted on a bottom plate and is used for counting the number of people passing through space in front of the bottom plate; the wireless switch is used for controlling starting and stopping of counting operation of the counter; the central processing unit is used for carrying out signal processing on received data information and controlling other components to be matched with one another; the power supply module is used for providing electric energy; the LED lamp strip is mounted on an LED light guide plate and is used for lighting; light rays emitted from the LED lamp strips are gathered to the same side by the reflecting film; and the loudspeaker is mounted on the outer frame and is used for broadcasting advertisements. An LED light guide plate is combined to the power supply module, and therefore, the problem of poor advertising content promotion caused by the reason that advertisements in a frame medium does not emit light at present is solved.

The invention discloses a safety socket. The safety socket comprises a socket panel, a shell, a null line metal current-carrying part and a live wire metal current-carrying part, wherein the socket panel and the shell are embedded into a hollow structure; the null line metal current-carrying part and the live wire metal current-carrying part are mounted in the hollow structure oppositely; jacks corresponding to the null line metal current-carrying part and the live wire metal current-carrying part are formed in the socket panel; the null line metal current-carrying part is connected with a mains supply null line directly; the live wire metal current-carrying part is connected with a mains supply live wire through a switch; the safety socket is also provided with an infrared pair tube, a control chip and a switch, wherein the infrared pair tube is mounted on one side of the null line metal current-carrying part and connected with the control chip; the control chip is connected with the switch; and the live wire metal current-carrying part is connected with the mains supply live wire through the switch. According to the safety socket, the infrared pair tube is arranged on one side of the null line metal current-carrying part, so that electric shock caused by accidental touch can be avoided while safety is greatly improved.

The invention discloses an output voltage detection-based solar inverter system. The output voltage detection-based solar inverter system is characterized by mainly comprising a solar battery pack, a storage battery, a DC stabilizer, a DC filter, an inverter unit, an AC voltage detection module and a display, wherein the storage battery is connected with the solar battery pack; the DC stabilizer is connected with the storage battery; the DC filter and the inverter unit are connected with the DC stabilizer respectively; the AC voltage detection module is connected with the inverter unit; and the display is connected with the AC voltage detection module. Power generation is carried out by solar energy; solar energy resources have no danger of exhaustion; resource distribution is wide; and the solar energy resources are environment-friendly to use and suitable for extensive promotion. The AC voltage detection module is arranged, so that the AC voltage output by the inverter unit can be detected and displayed through the display; and people can monitor the magnitude of the voltage output by the inverter unit in real time and prevent normal work of an electric appliance from being affected by an over-high or over-low voltage.

The invention discloses a control method for constant power of a PTC heating assembly. According to the control method, a control switch is used for controlling opening and closing of the PTC heatingassembly; the control switch is connected with the PTC heating assembly through a wire; a voltage regulator can be used for adjusting circuit voltage; and the PTC heating assembly is connected with apower supply through a wire. By means of the control switch, opening and closing of the PTC heating assembly circuit can be controlled; the magnitude of the current and voltage in the power supply circuit can be monitored in real time through a current sensor and a voltage sensor which are arranged, and the acquired information can be transmitted to a control terminal; and through the control of the control terminal, the voltage of the circuit is changed through the set voltage regulator, so that the magnitude the voltage and the current can be adjusted in time according to the demand change,the voltage and the current are in a relatively stable state, and power invariability can be controlled conveniently.

The invention discloses a protection device and system for improving the safety of a wharf bollard, and the device comprises a pressure measurement strain gauge, a connecting sheet, a rope winding groove, a monitor, a limiting ring, a pedestal, a central reinforcing column, a protection housing, a buffer rubber sleeve, and a rope threading hole. A connecting piece is arranged between the pressure measuring strain gauges, rope winding grooves are formed in the top ends and the bottom ends of the side faces of the pressure measuring strain gauges, and the output ends of the pressure measuring strain gauges are connected with the input end of the monitor through a wireless network. The wharf bollard enhances the structural strength of the wharf bollard, is not prone to fracture and deformation, reduces the falling risk of the mooring rope, is reliable in work and long in service life, adopts an indirect fixing mode, is convenient to disassemble, assemble and replace, saves time and labor, reduces the maintenance cost of the bollard, has a pressure monitoring function, improves the safety of the bollard, and is suitable for popularization and application. The cable pulling force on the bollard is monitored in real time, the working state of the bollard is comprehensively released, and a wharf manager is reminded to take countermeasures in time.