65results about How to "Add alarm function" patented technology

The invention discloses an intelligent power transmission line monitoring system and method. The monitoring system comprises a camera, a monitoring host, a power supply, and an audible and visual alarm connected with the monitoring host, wherein the power supply comprises a wind and solar generator and a storage battery, and the monitoring host comprises a main processing unit MCU (Mains Processing Unit), an intelligent power control module, an audio/video coding and decoding module, a 3G wireless communication module and a data storage module. The monitoring system and method have the beneficial effects that a linkage mechanism of abnormity judgment and in-site audible and visual alarming is established on the basis of an image recognition technology, so that when an abnormal risk happens, the functions of remote alarm, image capturing and video recording are achieved, and the function of timely warning and deterring in-site dangerous human activities is achieved through the linkage of the audible and visual alarm; the degrees of automation and intelligence are high, the dependence on maintainers is alleviated, the monitoring can be performed all day long, and the precision and the timeliness of risk identification and judgment can be effectively guaranteed.

The invention discloses an equipment state sensing type 110kV line protection system and an implementation method. The equipment state sensing type 110kV line protection system comprises a relay protection function module, a circuit breaker online monitoring module, a comprehensive analysis function module and a double-power supply switching module; and the relay protection function module is separately connected with a merging unit, an intelligent terminal and a process layer switch via optical cables to form a relay protection device secondary loop. The equipment state sensing type 110kV line protection system constructs an active defense type 110kV line security protection system so as to integrate equipment state sensing, accident pre-warning and relay protection of the 110kV line, which not only reduces the faults of the relay, but also quickly removes the faults, reduces the investment and operation and maintenance costs of intelligent substation equipment and protects the robustness of the grid in real time, and if the relay protection device can increase the active defense alarm function of the equipment state sensing, the principles of relay protection can be optimized, the occurrence of faults is reduced, the faults are quickly removed, and the investment and operation and maintenance costs of intelligent substation equipment can be reduced.

The invention relates to an anti-creeping water heater, comprising a casing, an inner bag, an earth wire, an electric heating pipe, a damping isolation signal device and an anti-creeping protective device; the damping isolation signal device comprises a hollow insulating pipe communicated with the inner bag, further comprises a signal collecting piece having a contact surface that contacts the water flowing from the insulting pipe to the inner bag or the water phase flowing from the inner bag to the insulating pipe, collecting a level signal and outputting it to the anti-creeping protective device; the anti-creeping protective device collects a standard level signal of the water in the inner bag and compares it with the level signal for the difference. When the signal difference exceeds the safety voltage 24V, the power supply is cut off. The invention matches the anti-creeping protective device by the level signal generated by the reducing the voltage for the insulating pipe to process anti-creeping protection for the water heater; the length of the insulating pipe is far less than that in the ''anti-creeping wall'' and the structure is artful without taking space and convenient to disassemble.

The invention provides a portable direct-current power supply which is used for temporary standby application and used for a test. The portable direct-current power supply comprises a lightning protection device, an alternating-current distribution unit, a charging module, a voltage reduction unit, a control circuit and a centralized monitoring and insulating monitoring unit. The portable direct-current power supply is suitable for medium and small power plants, hydroelectric power stations and all types of transformer substations in electric systems and is suitable for other users, such as petrochemical enterprises, mines and railways, utilizing direct-current devices. The portable direct-current power supply can provide an experiment direct-current power supply, can temporarily replace an existing direct-current power supply, is suitable for serving as a standby direct-current power supply for relay protection and fault illumination for instruments, meters, and the like in a secondary circuit. In order to meet the requirement of on-site running, the portable direct-current power supply can not only serve as a direct-current power supply but also monitor overvoltage or voltage shortage of a bus, and can be connected with a local monitoring system through a 485 remote communication interface so that the portable direct-current power supply can be monitored remotely and on site.

The invention relates to a crossing vehicle guide sign device of blocked roads and a control method and application thereof. The crossing vehicle guide sign device comprises a first judgment module, a first control module, a second control module and a display module. The first judgment module is connected with the first control module and the second control module respectively; and the first control module and the second control module are respectively connected with the display module. A light emitting diode (LED) display element is adopted for the display module and has two working states, namely driving-out port marking and driving-in port marking. The control method of the crossing vehicle guide sign device is used for controlling changing states of the changeable sign device located at crossings of the express way. By adopting the crossing vehicle guide sign device of blocked roads and the control method and application thereof, reliable and effective control, directing and management for traffic flow at the crossings of the express way can be achieved, the problem of resource utilization waste of the crossings of the express way and signal devices at the crossings can be solved, express way construction cost is reduced, driving operation difficulty of drivers at the crossings of the express way is reduced, and express way traffic efficiency and safety coefficient are improved.

The invention discloses a protection circuit and a protection method for preventing hot plug voltage surge, and relates to the technical field of circuit design. The circuit comprises a power MOS field effect transistor, a photoelectric coupler D2 and an impedance resistor. The power MOS field effect transistor comprises an N-channel power MOS tube Q3 and a P-channel power MOS tube Q2. The cathodeof the input end of the photoelectric coupler D2 is connected with the G electrode of the power MOS tube Q3, and the output end of the collector electrode of the photoelectric coupler D2 is connectedwith the G electrode of the power MOS tube Q2. The impedance resistors comprise a low-impedance resistor R2 and high-impedance resistors R3 and R4. According to the embodiment, the surge protection assembly TVS on a traditional hot plug line is replaced by the protection circuit, the reaction speed of surge protection of the input end is effectively improved, an alarm function during tiny surge is added, and the problem that a rear-end assembly is damaged due to the fact that the surge protection device is too slow in reaction is avoided.

The invention provides a transfusion method and a transfusion pipe heating method and system. A body temperature measuring module is utilized to measure the temperature of a human body, meanwhile a transfusion pipe temperature measuring module is utilized to measure the temperature of fluid at the outlet end of the transfusion pipe, then a single chip microcomputer controls the transfusion pipe heating system to heat the transfusion pipe according to the temperature difference to enable the fluid temperature at the outlet end of the transfusion pipe to change with the temperature of a human body to achieve the effect that the temperature of the fluid at the outlet end of the transfusion pipe, and the problem that a transfusion patient has adverse reaction caused by improper temperature in the transfusion treatment process is solved.

The invention provides an adjustable detection device for ambient air detection, which comprises a detection case, a mounting base I, an alarm, a mounting base II, an air quality detection sensor, a case cover, a mounting plate, a storage battery, an air quality detection host and a wireless communication module, wherein the left end of the detection case is in screw connection with the mounting base I; and an alarm is connected to the left side of the mounting base I through screws. Through arrangement of a connecting pipe, a supporting column, a dismounting bolt, a height moving base, a movable pipe, a vertical rod and a movable bolt, height adjustment according to detection requirements is facilitated, the air detection effect is guaranteed, the movable bolt is loosened, the supportingcolumn is held by hand to move the height moving base, and after the height position is determined according to the position of the movable pipe on the outer wall of the vertical rod, the movable boltis fastened, the height adjustment detection requirement is met, the connecting pipe and the supporting column can be separated by loosening the dismounting bolt, components in the case can be maintained and detected conveniently, and operation convenience is guaranteed.

The invention discloses a multifunctional intelligent eye patch, and belongs to the technical field of sleep aids. The eye patch comprises a power supply, an elastic girdle and an electric wire. An elongated shading belt is arranged on the elastic girdle, a plurality of side massage heads are uniformly arranged on two sides of the inner side face of the shading belt, a plurality of middle massageheads are arranged in the middle of the inner side face of the shading belt, and a shading sleeve covers the shading belt, and a girdle sleeve covers the elastic girdle. The eye patch solves the problem that an existing eye patch is single in structure and uncomfortable to wear. The eye patch is simple in structure and low in cost and has functions of acupuncture point massage and the like, lightcan be effectively shaded and discomfort at the back of an ear can be eliminated when a user wears the eye patch in sleep, and practicability is greatly enhanced.

The invention discloses an easy-to-carry miniature unmanned aerial vehicle and a using method thereof, and relates to the technical field of unmanned aerial vehicles. The portability and the use convenience are improved. The easy-to-carry miniature unmanned aerial vehicle comprises a vehicle body, four supporting frames distributed at equal intervals are correspondingly fixed to the outer wall ofthe periphery of the vehicle body through screws, vehicle arms are rotationally connected with one ends of the supporting frames, rotating shafts are installed on the outer walls of one ends of the vehicle arms through bearing pedestals, and wings are fixed to the outer walls of one ends of the rotating shafts through screws. The using method of the unmanned aerial vehicle comprises the followingsteps that when the unmanned aerial vehicle is taken for use, fixed sliding columns are pulled out of a second inserting groove and a first inserting groove; and the fixed sliding columns are continuously pressed, and the vehicle arms are rotated, so that the wings are stretched to designated positions. By arranging the supporting frames, the vehicle arms and other structures, the wings can be folded near the vehicle body, the overall space occupancy rate is reduced, and therefore the portability is improved; and by arranging structures such as a fixed sliding seat and the fixed sliding columns, the vehicle arms can be reliably fixed, and the structural firmness is improved.

The invention relates to a charging technology for an unmanned aerial vehicle, specifically to a border defense patrol unmanned aerial vehicle wireless charging system with an alarming function. The border defense patrol unmanned aerial vehicle wireless charging system comprises a processor, wherein the processor comprises a charging platform transmission unit, an unmanned aerial vehicle receiving unit and a ground control unit; the charging platform transmission unit comprises a power supply module, a first information modulation module, a power control module, an inversion module, a controller a, a first current detection module, a first information demodulation module, and a transmitting coil and a compensation circuit thereof which are connected mutually; a micro test coil is arranged above the transmitting coil and the compensation circuit thereof; the unmanned aerial vehicle receiving unit comprises a receiving coil and a compensation circuit thereof, a second information modulation module, a rectifying module, a controller b, a second current detection module and an onboard battery which are connected mutually; and the ground control unit comprises a second information demodulation module, an unmanned aerial vehicle control module and an alarming module which are connected mutually. The wireless charging system can control the charging time and charging place of unmanned aerial vehicles, so that the charging platforms with limited quantity can be efficiently utilized by multiple unmanned aerial vehicles.

The invention provides an airport landing aircraft interval management method. The airport landing aircraft interval management method comprises the steps of obtaining aircraft runway distribution, an approach sequence, an interval type, aircraft performance and weather information; generating an aircraft track sign; calculating and generating five-side position prompts of the aircraft according to the motion parameters of the five-side aircraft; according to the actual flight path position of the aircraft and the five-side position prompts, initial interval prompting is carried out; according to the actual flight path position of the aircraft and the five-side position prompts, grounding interval prompting is carried out; and continuously monitoring flight data of each aircraft in the pentagonal flight process, and carrying out pentagonal operation efficiency analysis and system optimization. The invention also provides an airport landing aircraft interval management method and a storage medium. According to the technical scheme provided by the invention, visual and digital five-side interval allocation suggestions are provided for controllers, fine management of five-side intervals is assisted, and the five-side operation efficiency is improved.

The invention discloses a combined encryption lock and belongs to the field of locks and lock accessories. The combined encryption lock aims at solving the problems that in the prior art, a lockset ispoor in antitheft performance, low in reliability and difficult to mount and refit. The combined encryption lock comprises a lock face disc. A lock face hole is formed in the middle of the lock facedisc. An inner disc is arranged in the lock face hole. A gap is formed between the inner diameter of the lock face disc and the outer diameter of the inner disc and internally provided with a clampinglock. When the clamping lock is unlocked, the inner disc can rotate. The inner disc is provided with a T-shaped block. The T-shaped block comprises a long plate and a short plate, wherein the long plate is perpendicular to the short plate. A lock hole is formed in the middle of the long plate and penetrates the whole lock face disc. The side face of the long plate is provided with a fingerprint collector. The side, far away from the long plate, of the short plate is provided with a finger vein collector. The fingerprint collector is electrically connected with a processor and a storer. The finger vein collector is electrically connected with the processor and the storer. The processor further controls a switch of the clamping lock. The combined encryption lock is applicable to refitting of an antitheft door or window.

The invention discloses an automatic warning device based on solar energy charging, the device comprises a base arranged on the top of a vehicle, a fixed platform is connected above the base, the outer wall of the fixed platform is wrapped by a solar energy charging panel, an alarm is fixedly connected above the fixed platform, the battery pack of the alarm is connected with the solar energy charging panel, a telescopic pole is connected between the fixed platform and the base, the upper end of the telescopic pole is fixed to the bottom of the fixed platform, the lower end of the telescopic pole is rotatably connected with the base, and the alarm is connected with the control system for intelligently controlling the switch of the alarm. According to the invention, the alarm function of the alarm is improved through changing the charging mode, the mounting structure and the control system of the alarm, and the alarm efficiency is improved.