96results about How to "Guaranteed normal application" patented technology

The invention discloses a device and a method for a rainfall test of a transmission line tower. The device comprises a tower, wires, nozzles, a water supply device and a power supply device. The wires are fixed in the tower, and the nozzles are located above the wires and fixed right under the tower. The power supply device supplies power to the wires, the nozzles are connected with the water supply device, and the tower and the wires are sprayed with water to simulate various states in the rain. The water supply device comprises a water pump and a water tank. The method for the rainfall test includes nozzles required in the test are selected to be fixed right under the tower, the power supply device supplies power for the wires, the water tank and the water pump are used for providing water for the nozzles which spray water to the tower and the wires to simulate various states in the rain to perform the rainfall test. The rainfall test provided by device and the method is wide in voltage ranges, adjustable in rainfalls and adjustable in acidity of the rainfalls, and is applicable to transmission line towers with a voltage class of over 110 kV (kilovolt)..

The invention discloses an integrated two-way low-friction drag stay rope node of a suspension rope single-layer latticed shell structure. The node comprises A direction lug plates and at least one A direction pulley arranged along rigid rods in one direction of a rigid latticed shell, and B direction lug plates and at least one B direction pulley arranged along rigid rods in the other direction of the rigid latticed shell, wherein the A direction pulleys are rotationally connected to the A direction lug plates arranged at the two sides thereof through A direction pin shafts; the B direction pulleys are rotationally connected to the B direction lug plates arranged at the two sides thereof through B direction pin shafts; the A direction lug plates and the B direction lug plates are synchronously and fixedly connected above or below the rigid latticed shell; and stay ropes in two directions are respectively and tightly bonded below the corresponding A direction pulleys or B direction pulleys. The node uses the fit between the stay ropes and the pulleys for achieving the lower support or upper suspension effect on the rigid latticed shell, so that the reliable connection between the stay ropes and the rigid latticed shell is guaranteed, and the prestress application of the stay ropes in the construction tensile process is guaranteed.

The invention relates to an IEC61850 abstract service to 61968 message mechanism mapping method. The method comprises a first step of defining a message subject of IEC61850 functional communication and implementing the correspondence of an IEC61850 abstract service to the IEC61968 message subject; a second step of filling a message carrier of the IEC61850 functional communication, and effectively encapsulating business data of the IEC61850 function into the IEC61968 message carrier; and a third step of transmitting the encapsulated IEC61850 business data by way of Web Services communication. According to the invention, equipment and a bus are seamlessly connected and the information sharing between application systems is improved; the further application of the modeling idea is ensured and the interoperability among the equipment is improved; and the IEC61850 standard application is extended and is no longer merely limited to substation automation.

The invention discloses a multi-evaporator loop heat pipe. The structure comprises a condenser, gas-liquid pipelines and four evaporator compensator units, the design method that four evaporators share one condenser is adopted, and the evaporators are gas-coupled. The condenser comprises a steam cavity, a converging hole cover plate and a condensing distributing plate; by the aid of the structurallayered design of the condenser, the evaporators are symmetrically distributed in the circumferential direction of the condenser, the design of pipelines are matched with the condenser, superheated steam is coupled in the steam cavity at the upper layer of the condenser, enters the lower-layer condensing distributing plate via converging holes for condensing heat exchange and flows out evenly along dispersing flow channels. Evaporator compensators adopt the integrated design of cylindrical structures. By the aid of the loop heat pipe, the design of an efficient heat transfer component under the condition that the single cold source faces multiple dispersed heat source is realized, and the heat uniformity among the evaporators is improved with the design method of gas coupling and uniformdistribution.

The invention discloses a circuit of amplifying a signal in a transformer anti-theft monitoring system. The circuit of amplifying the signal in the transformer anti-theft monitoring system comprises an infrared sensor (J1), a first capacitor (C1), a first audion (Q1), a second capacitor (C2), a first operational amplifier (A1) and an amplifying signal output circuit (3). Two ends of the first capacitor (C1) are connected with the infrared sensor (J1) and the base electrode of the first audion (Q1) respectively; the emitting electrode of the first audion (Q1) is grounded; two ends of the second capacitor (C2) are connected with the collector electrode of the first audion (Q1) and the in-phase input end of the first operational amplifier (A1) respectively; the amplifying signal output circuit (3) is connected with the output end of the first operational amplifier (A1). When being applied to a transformer anti-theft system, the circuit of amplifying the signal in the transformer anti-theft monitoring system can amplify a signal collected by the infrared sensor (J1), and therefore the monitoring system in the transformer anti-theft system can make right judgment, and accordingly normal application of the transformer anti-theft system can be guaranteed and anti-theft performance is strengthened.

The invention provides a rotary shaft of a rotary workpiece with voltage and temperature measuring signal being conducted in a co-shaft mode and an installation method. The rotary shaft of the rotaryworkpiece with voltage and temperature measuring signal being conducted in the co-shaft mode comprises a hollow shaft, an insulating sleeve, a thermocouple conducting wire, a connector, an insulatingflange A, an outer connector, a thermocouple, a workpiece desk end connector, an insulating flange B, a chamber penetration mechanism, a thermocouple upper end connecter, a driving wheel and an electric brush sliding ring; the insulation sleeve is arranged in the hollow shaft, the thermocouple conducting wire penetrates through the insulation sleeve, the thermocouple upper end connecter is connected to one end of the thermocouple conducting wire, and the connector is connected to the other end of the thermocouple conducting wire; the thermocouple upper end connecter is connected with the workpiece desk end connector, the workpiece desk end connector is connected with the thermocouple through a conducting wire, and the connector is connected with the outer connector through the flange A; and the hollow shaft penetrates through the insulating flange B, the chamber penetration mechanism, the driving wheel and the electric brush sliding ring. The rotary shaft is capable of realizing the co-shaft conduction of the voltage and the temperature measuring signal, and meanwhile, the problems of the mutual interruption between bias voltage and temperature measurement and the vulnerability ofdividedly transmitted thermocouples are solved.

The invention belongs to the technical field of motors, and relates to a high-speed permanent magnet motor rotor with an integrated shaft sleeve and an assembly method. It includes a shaft sleeve (3), a magnetic steel end cover (4), a magnetic steel (5), and a mandrel (6); the present invention adopts a structure in which the protective sleeve and the shaft sleeve are integrated, which effectively provides the rigidity of the motor rotor, and at the same time, The mandrel passes through the shaft sleeve, and the axial pre-tightening force is ensured by the lock nut, so that the magnetic steel assembled between the shaft sleeve and the mandrel can be constrained by the axial force. When the motor is running at a high speed, due to the existence of the axial preload, the overall rigidity of the rotor can be effectively improved, thereby improving the structural stability of the motor rotor. In the present invention, the protection sleeve and the mandrel at one end are combined into one structure, which improves the rigidity of the rotor. At the same time, the mandrel at the other end acts as a pull rod, and the axial pre-tightening force is effectively guaranteed through the lock nut without Additional parts need to be added, the structure is simple, and the reliability is high.