31results about How to "Strong resistance to failure" patented technology

The invention discloses an energy taking power supply of a cable temperature monitoring device. The energy taking power supply comprises an energy taking coil arranged on a cable in a sleeving manner, a rectification filtering circuit connected with a secondary side winding of the energy taking coil, a voltage stabilizing module connected with the rectification filtering circuit, and a supercapacitor connected with the voltage stabilizing module, wherein the voltage stabilizing module outputs direct current power. According to the energy taking power supply, the problem of a 'energy taking dead zone' caused by low current during energy taking of a current transformer is solved, namely if the current on the primary side is relatively low, the output voltage is low and can not meet the requirement on power supplying; the supercapacitor is used as a backup power supply of a monitoring system, and can be used in a place with insufficient induction energy taking; the problem that energy taking of the current transformer is saturated under high current, namely if the current on the primary side is relatively high, the output voltage is high; a wide-input DC-DC voltage stabilizing circuit is adopted for ensuring that 5V output voltage is stable; a DC-DC voltage reducing module has the advantages of high efficiency and small size compared with linear voltage stabilization.

The invention discloses an energy acquisition and power supply management device of a current transformer of an overhead line, which is characterized in that both output ends of the current transformer are connected with both input ends of a booster; both output ends of the booster are connected with both input ends of a rectification circuit; the positive output end of the rectification circuit is connected with a load after being connected with a voltage-stabilization output circuit; the second output end of the booster is connected with the power supply output end of a charging circuit; the positive output end of the rectification circuit is connected with the control end of the charging circuit after being connected with a sampling comparison circuit; the output end of the charging circuit is connected with the power supply input end of a gate circuit; the output end of the gate circuit is connected with the input end of a booster circuit; the output end of the booster circuit is connected with the load; and a delaying comparison circuit and the gate circuit are connected. The invention has the advantages that when short circuit or the noload of the overhead line is generated in the energy acquisition process of the current transformer, power is safely and stably supplied to overhead line high-voltage side equipment, in particular to online monitoring equipment.

The invention discloses an audio treatment method and an audio treating device. In one embodiment of the invention, when audio data is received, an audio treating passage is selected fro the audio data based on the type of the audio data; the audio processing passage comprises preset number of audio processing units; the preset number of audio processing units of the audio treating passage carry out resampling treatment and gain adjustment treatment for implementing audio treatment, because of a plurality of audio processing passages are provided, parallel treatment to a plurality of audio data is implemented, audio treating efficiency is raised, and simultaneously a plurality of audio treating passages are interdependent, thereby enhancing anti-fault capability of the system, further more, audio effect after treating is good because of the a plurality of treating passages treats audio data of distinct types distinctively.

The invention provides a water-secluding pipe filling valve control system for a marine drilling platform. The water-secluding pipe filling valve control system comprises a balance valve, a control valve, a lock valve, a change-over valve, an energy accumulator and a drive oil cylinder, wherein the control valve separately communicates with the balance valve and the lock valve through oil tubes; the change-over valve separately communicates with the lock valve, the energy accumulator and the drive oil cylinder; and the control valve is additionally equipped with a remote control interface, and the control valve communicates with an external hydraulic control source through the remote control interface. A using method for the water-secluding pipe filling valve control system comprises five steps of system initialization, system pressure drop, filling valve opening, opening keeping and filling valve closing. The system provided by the invention is simple in structure, is high in fault resistance, is various and flexible in control way, and is good in operation stability and interference resistance, so that automation degree, reliability and stability of filling valve operation are improved, and the defects such as low filling valve control speed and low implementation precision as a result of balance valve pressure difference in a conventional control system are effectively solved, and therefore, control precision of the water-secluding pipe filling valve control system is greatly improved.

The invention provides a whole ship monitoring and warning system based on double Ethernet and a ring network. The system comprises a power supply layer, a signal acquisition layer, a network communication layer and a display operation layer, wherein the power supply layer comprises at least one uninterrupted power supply (UPS); the signal acquisition layer comprises at least one programmable logic controller (PLC) processing unit; the network communication layer comprises at least three interconnected switches; the display operation layer comprises at least one touch screen or computer; and the power supply layer supplies power to the PLC processing unit, the switches and the touch screen or computer. The system comprises the following operation processes that: the PLC processing unit acquires and processes a signal to acquire processing data; whether the current transmission channel of the system is normal or not is detected; and the touch screen or computer displays the processing data when the transmission channel is normal. The system has high communication speed, large communication data volume, rich display contents and a clear and reliable interface, and is stable.

The invention relates to an automatic pressure-regulating water supply device for fire fighting, which comprises a pressure-stabilizing water storage tank, a pressure reflux meter, a safety valve, an opening control valve, a closing control valve, a water pressure regulator, a temperature regulating system and a water outlet control valve, an overflow port and a reflux port are formed in the side wall of the pressure-stabilizing water storage tank, and the overflow port is communicated with the reflux port through the pressure reflux meter; the water outlet is communicated with a safety valve through a flow guide pipe, the safety valve is further communicated with an opening control valve and a closing control valve, the opening control valve and the closing control valve are both communicated with a water pressure regulator through flow guide pipes, and the water pressure regulator is further communicated with a water outlet control valve. The using method comprises the three steps of equipment assembly, water storage pressurization and fire-fighting spraying operation. On the one hand, the requirement of being matched with a fire extinguishing system in various occasion environments for use can be effectively met; and on the other hand, the operation stability of the fire-fighting water supply system is improved, and the fault resistance is high, so that the purpose of improving the stability of fire-fighting water spraying operation is achieved.