43results about How to "Real-time detection status" patented technology

The invention discloses an intelligent wheelchair voice drive controller and an identification and control method. The controller includes an audio circuit module, a voice processing circuit module, a MAX232 communication module, a DSP processor, a joystick circuit module, a speed regulation circuit module, Power supply circuit module, motor drive circuit module, fault detection circuit module, voltage and current detection circuit module, brake circuit module. Speech recognition adopts a specific human speech recognition method based on fuzzy support vector machine, which improves the recognition rate and enhances the anti-noise ability. The DSP processor controls the coordinated operation of the motor by outputting PWM waves. The invention proposes a master-slave intelligent wheelchair voice drive control scheme with a single-chip microcomputer as a voice information processor and a DSP as a drive controller. The advantage of the present invention is that it can be controlled manually or automatically by voice, and it is convenient to use.

The invention discloses an online state detection device of an overhead transmission line. According to the device, a date transfer unit (DTU), an actual sag measurement system, a windage yaw monitoring system, a conducting ground wire vibration monitoring system, an actual wire temperature measurement system, a tower inclination monitoring system, a fault location property judgment application system, an online transmission line capacity increasing system, a temperature and humidity sensor, an inclination angle sensor, a tension sensor, a wind speed sensor, an insulator pollution degree measuring device, a smoke transducer, a radio frequency (RF) module, a video compression card, a 74HC165, an infrared microwave anti-theft sensor and a FLASH memory are directly connected to a micro control unit (MCU); a lightning stroke positioning system is connected to the RF module; a fast ball is connected to the video compression card; the MCU is connected to the fast ball; a wind direction sensor is connected to the 74HC165; a battery control board is connected to the MCU; and the battery control board is connected to a solar cell. According to the device, the state of an overhead transmission line can be detected in real time, the hidden danger is timely discovered, and the manpower and material resources are saved.

The invention provides a protection method for a radio frequency power amplifier and an RRU (remote RF (radio frequency) unit), wherein the RRU comprises the radio frequency power amplifier and a control module, the control module is electrically connected with the radio frequency power amplifier and is used for monitoring the state of data link in real time, and if the abnormality of the data link is monitored, the gain of the data link is adjusted to be minimum or smaller than a first threshold. The protection method can be used for detecting the state of the system and monitoring the state of the radio frequency power amplifier in real time in the starting process and the running process and at the abnormality recovery moment, so that the overburning of the radio frequency power amplifier caused by any abnormality in the system can be avoided. The protection method is applicable to various RRU types, the working safety of the radio frequency power amplifier in the system is improved, and the normal operation of the system is ensured.

The invention discloses a high-speed arc discharge machining self-adaption fluid flushing system. The system comprises a fluid storage tank, a fluid flushing unit, an electro-hydraulic control valve, a fluid parameter detection sensor, a discharge parameter detection sensor, a tapping electrode and a control unit, wherein fluid medium in the fluid storage tank sequentially penetrates through the fluid flushing unit and the electro-hydraulic control valve and is sent to the tapping electrode, and flushes to a workpiece through an internal hole of the tapping electrode, thus breakdown and machining of the arc discharge medium are realized and the medium finally flows back to the fluid storage tank. The system has sensing and detection functions, is capable of real-timely detecting the state of the fluid medium and the discharge state of the tapping electrode and the workpiece, is capable of communicating with a digital control system of a machine tool and reading processing parameters such as feeding speed, is used for controlling high-speed arc discharge machining self-adaption closed-loop flushing fluid and is capable of optimizing machining efficiency and quality of machined surfaces.

The invention relates to an intelligent electronic wheel stopper for a track train and an application method of the intelligent electronic wheel stopper. The intelligent electronic wheel stopper for the track train comprises a ground device, a sensor assembly and a host. The ground device comprises a braking landmark and wheel stopper devices. According to the intelligent electronic wheel stopper for the track train and the application method of the intelligent electronic wheel stopper, the situation of the wheel stopper devices can be detected in real time, train slipping, stealing of the wheel stopper devices and driving accidents caused by pressing of the wheel stopper devices are prevented, and the train operation accidents, caused by the train slipping, stealing of the wheel stopper devices and driving accidents caused by pressing of the wheel stopper devices, of the track train are avoided. In addition, an active electronic tag is adopted in a control signal source of the intelligent electronic wheel stopper for the track train, the tag is inserted into the wheel stopper only when used, installing is very convenient, and compared with other active wheel stoppers, a wheel stopper body is not provided with a complex circuit or a power source, and the fault caused by inappropriate storage is avoided.

The invention relates to a detection device in the field of lightning surge protection. The device comprises a photometry unit (1), a signal conversion and transmission unit (2) and a data analysis unit (3). A surge protective device comprises a surge suppressing device (4) and a light-emitting device (7). The photometry unit (1) is installed in the irradiation range of the light-emitting device (7). The photometry unit (1) is connected with the signal conversion and transmission unit (2) by a transmission line (5). The signal conversion and transmission unit (2) is connected with the data analysis unit (3). The device has high detection precision and is sensitive in reaction and realizes remote processing and network sharing of the detection information.

The invention discloses an automatic ventilating device for a basement, which comprises an exhaust blower and an exhaust pipeline thereof. The invention is characterized in that a pair of infrared sensors are arranged at two sides of a door entrance; a humidity sensor is arranged at the middle upper part of the basement; the infrared sensors and the humidity sensor are electrically connected with a single chip microcomputer (SCM); the exhaust blower is connected with and controlled by the SCM; and the SCM controls the working state of the exhaust fan of the exhaust blower according to the received signal. The invention mainly solves the problem of humidity control when articles are stored in the basement. The device can automatically regulate the environmental humidity of the basement according to the external arrangement to meet the storage requirement.

The invention relates to a device belonging to the lightning protection field, which comprises a temperature measuring device (1), a signal conversion transmission unit (2) and a data analysis unit (3). The temperature measuring device (1) is mounted on or near to a surge suppressor (4) and is connected with the signal conversion transmission unit (2) through a transmission line (5), and the signal conversion transmission unit (2) is connected with the data analysis unit (3). The invention has the advantages of high detection precision and sensitive reaction, and can realize network sharing of remote information handling and inspection.

The invention belongs to the field of big data and artificial intelligence, and particularly relates to a vehicle state real-time detection system based on edge computing. The system comprises a dataacquisition module used for acquiring panoramic road condition data; an edge computing module, wherein a microcomputer is arranged in a vehicle cab and used for analyzing the surrounding environment and the vehicle driving state in real time; a cloud computing platform module which is used for storing surrounding environment and vehicle driving state data; and a private mobile network module whichrealizes large-scale data transmission from the vehicle to the cloud. According to the invention, the state of each networked vehicle is detected in real time, the driving condition of the vehicle isjudged, traffic road condition early warning is provided, related information of all vehicles is integrated, a huge Internet of Vehicles information platform is constructed, and state information ofall vehicles is provided, so that effective supervision and comprehensive service are carried out.

The invention discloses an optical detection device, system and method. The optical detection device comprises a barcode value scanning and acquisition unit which is used for acquiring the barcode value of a certain small PCB of N connected boards; a barcode value acquisition unit of each PCB which is used for acquiring the barcode value of each small PCB of the N connected boards according to theacquired barcode value of the small PCB; and a detection result processing unit which is used for binding the detection result of each small PCB and the corresponding barcode value and performing uploading. With application of the optical detection device, system and method, the objective of real-time statistics of the circuit board optical detection result can be realized. The personnel for recording the information of wrong small PCB on each production line can be replaced so that the PCB design personnel are enabled to see the detection situation of the current AOI station in real time, and the efficiency of circuit board optical detection can be enhanced.

The invention discloses a cloth blockage warning device for a dyeing machine. The cloth blockage warning device comprises a dyeing machine cylinder, wherein the dyeing machine cylinder is internally provided with a cloth lifting wheel and a detecting rack, the upper end of the detecting rack is provided with an alarm contact sensor, the left end is provided with a speed sensor, and the alarm contact sensor and the speed sensor are connected with a control cabinet. Through the way, the cloth blockage warning device for the dyeing machine, provided by the invention, is capable of detecting the state of fabric in the cloth lifting wheel in real time, warning can be given in time and safety and reliability are realized.

The invention provides an automatic packaging and bag changing device of an intelligent pedestal pan and a control method. The device comprises a control system and an automatic packaging and bag changing system; the control system comprises a receiving end, a transmitting end and a control center; the automatic packaging and bag changing system comprises a toilet bowl, a roller pull-down device, a hot melting sealing and cutting module, a folding rod and a motor driving assembly; and the control system is located on the automatic packaging and bag changing system, the transmitting end and the receiving end are located in the excrement groove, a power lamp is arranged on the motor driving assembly, and a control key, a state indicator lamp and a buzzer are arranged on the control center. The device has the beneficial effects that: in combination with an intelligent garbage can product structure, the condition of a plastic bag in the pedestal pan can be detected, the packaging and bag replacing functions are executed according to detected information, the problems that manual cleaning is troublesome and unsanitary after the pedestal pan is used are solved, and the device is very convenient.

The invention relates to a novel surge protection device and belongs to the field of lightning protection. The novel surge protection device is mainly composed of a surge suppression device, a light measuring unit, a signal conversion and transmission unit, a control unit, a short circuit protection module, a pedestal and a shell; the light measuring unit is opposite to the surge suppression device, the light measuring unit is connected with the signal conversion and transmission unit, the control unit is connected with the signal conversion and transmission unit, and the short circuit protection module is connected with the control unit. The novel surge protection device is capable of detecting lightning surge which flows through the surge suppression device and the degradation or damage situation of the surge suppression device in real time and timely controlling the short circuit protection module to separate the surge suppression device from circuit so as to facilitate changing and maintaining in advance; because the connecting circuit length and inductive reactance are reduced, the whole protective performance is improved; the novel surge protection device can be used for protecting power supply circuits, signal circuits, control circuits and the like circuits.

The invention discloses an online and on-off detection control method for intelligent substation switching equipment, comprising the following steps of: analyzing an intelligent substation SCD file, and obtaining an IED device and APPID correspondence table; identifying, by a service sensing unit, a GOOSE message and a SV message generated by the IED device, and establishing a switch port and APPID storage table; comparing and merging the two tables to complete a connection relationship binding between the an information exchange device port and the IED device so as to the sense the online state of the IED device at a specific port; setting a time period, regularly generating a switch port and IED device correspondence table, comparing the two switch port and IED device correspondence tables so as to determine an offline IED device. The technical solution in the present invention solves the problem that an existing Layer-2 switch cannot detect and sense the online and on-off state of the IED device connected to each service port of the switch, and is unable to control the offline IED device such that the debugging and operation and maintenance difficulty of the intelligent substation is increased.

A composite material forming machine comprises a base, stand columns, a top base, a sliding block, a locking mechanism, pressurizing oil cylinders, an upper die, a lower die and lifting oil cylinders.A frame of the composite material forming machine is formed between the top base and the base through supporting of the stand columns. In the frame, the lower die is arranged on the base, the upper die is arranged above the lower die and arranged on the sliding block, the pressurizing oil cylinders are arranged on the top base, and the heads of piston rods of the pressurizing oil cylinders penetrate the sliding block. The locking mechanism is arranged on the sliding block, and the locking mechanism can lock or unlock the piston rods of the pressurizing oil cylinders. The lifting oil cylindersare arranged on the top base, and piston rods of the lifting oil cylinders are fixed to the four corners of the sliding block. A control system is further arranged to control the lifting oil cylinders, the locking mechanism and the pressurizing oil cylinders; when the sliding block rapidly ascends and descends, the lifting oil cylinders ascend and descend, and the locking mechanism unlocks the piston rods of the pressurizing oil cylinders; and when the sliding block is pressurized, the locking mechanism locks the piston rods of the pressurizing oil cylinders, the pressurizing oil cylinders pressurize the sliding block, and the lifting oil cylinders are used for conducting leveling on the sliding block.

The invention discloses a method for controlling a television through a smart watch. The method comprises the steps of detecting a state of the smart watch in real time; when it is detected that the smart watch shakes, obtaining the paired television of the smart watch; and controlling the smart watch to send an application list starting instruction to the paired television, wherein when the television receives the application list starting instruction, the television displays a user favorite application list. The invention also discloses a device for controlling the television through the smart watch. According to the method and the device, a user can directly control the television to display the favorite application list through the smart watch, so the method and the device are very convenient and fast.

The invention relates to an online detection device of an SPD (Surge Protective Device), belonging to the field of lightning surge protection. The online detection device of the SPD comprises a magnetic induction unit (1), a signal conversion and transmission unit (2) and a data analysis unit (3), wherein the magnetic induction unit (1) is mounted close to a loop (7) of a surge suppression device (4), and the signal conversion and transmission unit (2) is connected with the magnetic induction unit (1) through a transmission line (5) and also connected with the data analysis unit (3). The invention has the advantages of high detection accuracy and sensitive reaction and realizes remote processing and network sharing of detection information.

The invention relates to an integrated device for detecting, identifying and charging a four-color pen and an eraser, and a related method. The device comprises a main controller, and is characterized by also comprising a pulse width modulation (PWM) timer, an analog channel control switch, a pen electric quantity detecting and charging circuit and analog / digital (A / D) channels which are in signal connection with the main controller respectively. The A / D channels are switched to measure the electric quantity of the pen, the charging of multiple channels and the identification and detection of the pen are combined and integrated, the device has a simple structure and low cost and is reliable, and software and hardware are relatively easy to implement.

The invention relates to an online detection device of a surge protective device, belonging to the field of lightning surge protection. The device comprises an infrared detection unit (1), a signal conversion and transmission unit (2) and a data analysis unit (3), wherein the receiving direction of the infrared detection unit (1) faces a surge suppressing device (4); the infrared detection unit (1) is connected with the signal conversion and transmission unit (2) by a transmission line (5); and the signal conversion and transmission unit (2) is connected with the data analysis unit (3). The device has high detection precision and is sensitive in reaction and realizes remote processing and network sharing of the detection information.

The invention relates to a detection device in the field of lightning surge protection. The device comprises a photometric unit (1), a signal conversion and transmission unit (2) and a data analysis unit (3), wherein the photometric unit (1) is mounted in a lighting illumination range of a surge suppression device (4), and the signal conversion and transmission unit (2) is connected with the photometric unit (1) through a transmission line (5) and also connected with the data analysis unit (3). The invention has the advantages of high detection accuracy and sensitive reaction and realizes remote processing and network sharing of detection information.

The present invention provides a display screen automatic opening and closing system. The system comprises a host body and a display screen, and further comprises a relay, a detection unit configured to detect an opening or closing state of the host, a first power source circuit, and a second power source circuit. The detection unit is electrically connected to a host power source unit via the first power source circuit. The display screen is electrically connected to the host power source unit via the second power source circuit, and the switch of the display screen is electrically connected to the second power source circuit. The detection unit comprises a host state detection unit, an infrared sensor, and a single-chip computer. The host state detection unit is electrically connected to the infrared sensor and the single-chip computer. The infrared detection unit is arranged on the display screen. The single-chip computer is electrically connected to the second power source circuit via the relay. According to the present invention, opening or closing of the host is controlled by detecting opening or closing of the host. Therefore, the system according to the present invention is more intelligent, and is simpler to operate.

The invention provides a cell detection device and a cell detection system, and belongs to the technical field of biological detection. The cell detection device provided by the invention comprises acell detection slide, a prism, a to-be-detected liquid container and a test electrode. The cell detection slide comprises transparent slide glass, a metal layer is arranged on one side of the transparent slide glass, and a plurality of cell detection areas are arranged on one side, deviating from the transparent slide glass, of the metal layer; the to-be-detected liquid container is provided witha containing space, the containing space is used for containing to-be-detected liquid containing cells, the to-be-detected liquid container is connected to the side, provided with the metal layer, ofthe transparent slide glass, and the multiple cell detection areas are limited in the containing space; the prism is arranged on one side, deviating from the metal layer, of the transparent slide glass; and the detection electrode is arranged in the containing space and is used for detecting the impedance of the cells. The cell detection device provided by the invention can detect the state of thecell in real time, and can be adapted to detect the population state of the cell or the state of a single cell.

The invention provides a geothermal well group intelligent recharge control system and method. The geothermal well group intelligent recharge control system comprises a plurality of geothermal wells,a water collector, a plate heat exchanger, a water segregator and a heat pump host machine, wherein each geothermal well is internally provided with a water intake pump; the water outlet ends of the plurality of water intake pumps are respectively communicated with the water inlet end of the water collector through pipelines; the water outlet end of the water collector is communicated with the water inlet end of the water segregator through the plate heat exchanger; the plate heat exchanger is connected with the heat pump host machine; a plurality of recharge pumps are arranged at the water outlet end of the water segregator; the recharge pumps are in one-to-one correspondence with the geothermal wells; a balance pipe is arranged between the water segregator and the water collector; the water outlet end of each recharge pump is communicated with the corresponding geothermal well through a pipeline; a first flow meter and a conductivity meter are arranged at the water outlet end of eachwater intake pump; a pressure gauge and a second flow meter are arranged at the water outlet end of each recharge pump; and a third flow meter is arranged on the balance pipe.

The invention belongs to the technical field of navigation aid buoys, and particularly discloses a navigation aid buoy fixing method. The method comprises the following steps of: (1) arranging a contact ring on a buoy positioning point, installing three mutually matched cable chains on the contact ring to make the contact ring and the three cable chains form a herringbone cable chain, and arranging a fixing pile at the end part of one end, far away from the contact ring, of any chain; (2) installing an anchor chain on the contact ring, arranging a buoy connected with the anchor chain at the end, away from the contact ring, of the anchor chain, and installing a telescopic mechanism and a control system in the buoy; and (3) installing a wind power generation mechanism in a polygonal pyramidventilation cavity, and installing the polygonal pyramid ventilation cavity on the buoy.

The invention discloses release agent automatic recovery energy saving equipment and a treatment system thereof. The release agent automatic recovery energy saving equipment comprises a pre-treatmentdevice, a post-treatment device, a proportioning collection device and a finished product storage device, wherein the pre-treatment device, the post-treatment device, the proportioning collection device and the finished product storage device are used for a release agent. According to the release agent automatic recovery energy saving equipment and the treatment system thereof, a circular tank structure is adopted, bacteria are not prone to breeding, and cleaning is convenient; an inclined tube sedimentation tank is adopted, the precipitation efficiency is high, and the effect is good; demoulding agent waste liquid passes through a magnetizer to reduce the waxing phenomenon; a remote transmission control function is used for detecting the state of the equipment in real time; a whole structure is adopted, the structure is compact, the occupation area is small, and the equipment is attractive; the recovery and reuse of the release agent waste liquid is achieved, and the release agent waste liquid can further be mixed with a novel release agent for using; a machine unit is fully automatically operated, safety and reliablity are achieved, and the maintenance and use are simpler; core components are imported, the failure rate is lower, and the product service cycle is longer; real-time monitoring is proportioned, and the automatic proportioning can be adjusted; and big data record is used, convenient use is achieved, the cost is reliable, so that higher operation efficiency is obtained.

The invention discloses an anti-solidification ink storage box for a printer. The anti-solidification ink storage box comprises a box body containing ink, wherein a discharging opening is arranged inthe top of the box body and connected to a discharge tube in a sealed mode; the discharge tube communicates with an external negative pressure machine; one end, located in the box body, of the discharge tube is fixedly connected to a floating block; a first filter screen and a second filter screen are arranged in a feeding channel; the first filter screen is arranged above the second filter screen; the first filter screen is fixedly connected to the inner wall of a liquid inlet channel in a sealed mode; a chute is arranged in the position, corresponding to the second filter screen, of the liquid inlet channel; and sliding blocks fixedly connected to the outer side of the second filter screen are slidably connected into the chute. The anti-solidification ink storage box has the advantages that the characteristic of increase of the ink solidification volume is utilized, so that the ink permeating into the second filter screen cannot pass through meshes of the filter screen after solidification, the pressure is applied to the second filter screen, and an effect of conducting stirring blades and a heating ring to heat the ink is achieved.