30results about How to "Self-protection" patented technology

The invention discloses a strong vibration sensor circuit for a high-voltage circuit breaker and a signal acquisition system. The circuit comprises a charge-voltage conversion unit, a second-order low pass filter unit and a multi-gear amplifying unit, can receive huge charge quantity produced by a strong vibration signal of a high-voltage-class sensor testing high-voltage circuit breaker and can still work stably even under the situation that an electromagnetic environment is severe. The charge-voltage conversion unit adopts a self-discharge integral circuit having a direct-current eliminating function, the multi-gear amplifying unit adopts a fixed resistor for splicing and gear shifting, the resistance value dispersity is small, gear shifting is accurate, a positioner is designed, the dispersity of a sensor is offset, and the problems of low charge sensitivity at high accelerated speed and poor electromagnetic environment at high voltage class are solved. The circuit is simple in principle, ingenious in design, suitable for occasions where strong vibration is acquired and the electromagnetic environment is severe and is beneficial to popularization, and the costs of voltage classes are low.

The invention discloses an electric transmission and transformation equipment contact luminous temperature sensing cap system. The system comprises a power supply device, an electric transmission and transformation equipment contact luminous temperature sensing cap and a monitoring center; the power supply device is electrically connected with the electric transmission and transformation equipment contact luminous temperature sensing cap; the electric transmission and transformation equipment contact luminous temperature sensing cap comprises a wireless transmitting module, and the wireless transmitting module is communicated with a wireless receiving module of the monitoring center through a network; and the electric transmission and transformation equipment contact luminous temperature sensing cap also comprises a fixed and shielded part and a temperature measuring part, wherein the temperature measuring part is arranged in the fixed and shielded part, and a luminous early warning device is arranged in the temperature measuring part. The invention has the advantage that the system is affected little by the outside because independent circuits are used for monitoring the temperature. Different color lamps are displayed according to different temperature control circuits, and the system can accurately monitor temperature, and has stable performances and an obvious practical effect.

The invention is applicable to the technical field of new energy engines, and provides a liquid hydrogen and liquid oxygen direct injection piston type internal combustion power system. The liquid hydrogen and liquid oxygen direct injection piston type internal combustion power system comprises a hydrogen fuel engine, a magnesium hydride storage tank, a Kelaipu unit, a circulating water tank, a liquid oxygen pressure pump, a liquid hydrogen pressure pump, a water delivery pump and a low-pressure hydrogen buffer tank. The liquid hydrogen and liquid oxygen direct injection piston type internal combustion power system provided by the embodiment of the invention is combined with the Kelaipu unit; therefore, engine tail gas waste heat is fully utilized, the engine tail gas emission problem is thoroughly solved, the heat efficiency of the engine is improved, and zero emission of the engine tail gas is achieved. According to the invention, liquid oxygen and liquid hydrogen are used for combustion, the temperature is high, the pressure is large, the energy density is high, the power is large, and the size is small; and the liquid hydrogen and liquid oxygen direct injection piston type internal combustion power system is mainly used for flight equipment, and can also be used for ground mobile equipment and various vehicles. The liquid hydrogen and liquid oxygen direct injection piston type internal combustion power system can be used for power generation, and can also be used for power output.

The invention relates to a direct injection gas nozzle and an engine and a power system of the direct injection gas nozzle. The nozzle consists of a shell, a gas collecting chamber, a nozzle injectionhole and a gas passage; the gas passage penetrates through the gas collecting chamber and communicates to the nozzle injection hole; the upper part of the gas passage is provided with a spring, and the lower part of the gas passage is provided with a hollow plunger; a plunger injection hole is formed in the pipe wall of the gas collecting chamber section of the gas passage; the upper part of thegas collecting chamber is provided with a plunger upper gas bearing, and the lower part of the gas collecting chamber is provided with a plunger lower gas bearing; the hollow plunger is provided witha plunger limiting stopper; the body of the shell is provided with an electromagnetic coil; and the plunger limiting stopper and the electromagnetic coil are arranged in a manner of matching. The direct injection gas nozzle can be used for direct injection of gases, such as oxygen, hydrogen, natural gas and argon, is capable of resisting high temperature and high pressure, and is not easy to temper; self cooling can be performed on the direct injection gas nozzle by utilizing the injected gas, so that the service life of a hydrogen nozzle is prolonged.

The invention belongs to the technical field of large storage devices, and particularly relates to a large storage device with self-protection function based on a thermal expansion principle, which comprises a processor, a power connection plate is fixedly connected to the interior of the processor, a protection seat is fixedly connected to the interior of the processor, and an air pressure bag isarranged in the protection seat. A telescopic rod is movably connected to one side of the air pressure bag and located in the protection base, conductive columns are fixedly connected to the left side and the right side of the telescopic rod, the outer surface of the telescopic rod is sleeved with a telescopic spring, a moving plate is movably connected to one side of the telescopic rod, and rotating rods are rotatably connected to the left side and the right side of the moving plate. A rotating gear is rotatably connected to one end of the rotating rod in the processor. When the processor isused, the phenomenon of fire caused by continuous increase of the resistance of the processor is avoided, self-protection is achieved, timely disconnection can be achieved, and the phenomenon that electrical components in the processor are burnt out is avoided.

The invention provides an energy-saving LED smart street lamp. The energy-saving LED smart street lamp comprises a lamp holder and a lamp pole; the lamp pole is installed above the lamp holder; a microcomputer control system is installed inside the lamp holder; lamp brackets are installed at the left and right sides of the top of the lamp pole; the lamp pole is respectively equipped with LED lampbodies through the lamp brackets on both sides; a temperature and humidity detector is embedded at the side of the outer end of each LED lamp body; the temperature and humidity detector is electrically connected with the microcomputer control system; an accommodating hole is configured on the upper surface of the lamp pole; the accommodating hole penetrates to the bottom surface of the lamp pole;a telescopic device is installed at one side in the lamp holder; a telescopic umbrella is stored and installed in the accommodating hole through the telescopic device; and the telescopic umbrella is controlled to be opened and closed through the telescopic device. According to the energy-saving LED smart street lamp provided by the invention, the telescopic umbrella is installed in the lamp pole,the temperature and humidity detector detects the environment temperature and humidity, thus the intelligent pre-judgment of rainfall is achieved, and the problems that an existing smart street lamp cannot intelligently predict the weather, and intelligent components are easily damaged and the maintenance cost is high due to rainwater flushing for a long time are solved.

The problem addressed by the invention is to operate an electrical component (16) in a cyber-physical system (22). The adapter device (36) provided according to the invention for coupling the component (16) to a data network (20) of the cyber-physical system (22) comprises: a communication unit (40) which is designed to receive defined request data (24) from the data network (20) independently of the component; an interpretation unit (50) which is designed to determine a command (68) executable using the technical features of the component (16) depending on the request data (24); an assessment unit (52) which is designed to generate a potential solution (70' ) to the command (68) comprising at least one control signal (32) for the component (16) depending on operating data of the component (16); and a controller (66) which is designed to issue the at least one control signal (32) of the potential solution (70' ) to a control interface (30) of the component (16).

The invention provides a pump unit control system, which comprises a pump unit data acquisition module, a data processing module, a pump unit controller, an alarm module, a display screen and a flow control valve. The data acquisition module is connected with the pump unit controller through the data processing module; the pump unit controller is connected with the flow control valve, the alarm module, the display screen and a hydraulic pump power supply; the data acquisition module comprises a flow detection sensor and a pressure detection module; the data processing module comprises a flow comparison module and a self-protection module; and the alarm module comprises a voice alarm module and a communication alarm module. The data acquisition module acquires working parameters of a hydraulic pump unit, and transmits the collected data to the data processing module, the data processing module analyzes and processes the data, the flow control valve adjusts the hydraulic pump, and the alarm module gives an alarm, so that the state of the hydraulic pump set can be monitored in real time, the pump unit control system has the functions of self-protection, automatic alarm and the like, and the safety in use is improved.

The invention relates to a hydraulic device which comprises a hydraulic valve. The hydraulic valve is provided with a shell. The shell is provided with a first channel penetrating through the shell horizontally. The first channel is provided with a left opening and a right opening. The shell is provided with a second channel penetrating through the shell vertically. The first channel and the second channel intersect with each other to form a cavity of a cross structure. The portion, below the cross structure, of the second channel is provided with a lower channel. An electromagnet is arranged above the second channel. A valve element capable of sliding along the second channel vertically is arranged below the electromagnet. A first spring for supporting the valve element is arranged below the valve element. An outlet of the lower channel is formed below the second channel. The middle of the valve element is the neck portion which becomes thinner. A sealing ring matched with the lower portion of the second channel is arranged below the valve element. A side seam is arranged below the sealing ring. The hydraulic device has the advantages that whether the lower channel and the first channel are communicated with each other or not can be controlled by controlling the electromagnet, and the hydraulic device further has the advantages of being simple in structure and low in cost.

The invention provides an active vehicle collision protection system, a vehicle and a method.The active vehicle collision protection system comprises an anti-collision device, the anti-collision device is installed on a vehicle body and can be switched between a folded state and a released state, and when the vehicle collides with an obstacle, the anti-collision device can be switched between a folded state and a released state; the anti-collision device is switched to a released state to protect the vehicle and the obstacle, otherwise, the anti-collision device is kept in a folded state; the detection module is used for detecting obstacles and sending detection information; the control module is used for receiving the detection information and judging whether the obstacle collides with the vehicle or not, when the control module judges that the obstacle collides with the vehicle, an execution instruction is sent within preset time, and otherwise, the execution instruction is not sent; and a driving module. According to the active vehicle collision protection system disclosed by the embodiment of the invention, not only is the self-protection of the vehicle facilitated, but also the protection of pedestrians and opposite vehicles can be realized.