133results about How to "Overcome damage" patented technology

The protection device is suitable to the on-line protection of the short circuit failure at DC 220 voltage, + / - 110 voltage in power plants and transformer substations. The invention is realized through following steps. The detection circuit for the short circuit in the branch through the data collection circuit, A / D conversion circuit is connected to the industrial control computer. The detection circuit for the bus voltage through the data collection circuit, A / D conversion circuit is connected to the industrial control computer. The detection circuit for the state of the breaker through the optical isolation input circuit is connected to the industrial control computer. The current criterion is I is greater than or equal to Id, and the voltage criterion is U is less than or equal to Ud.

The invention discloses a mineral processing process of copper sulphide ores containing high-grade native copper. The process comprises the following steps: recycling large native copper ores of which the particles are greater than 40mm in a crushing process; crushing coarse-particle native copper which is smaller than 40mm by virtue of a high-pressure roller mill, scattering and grading by virtue of a drum concentrator and a vibrating screen; jigging, sliding in a spiral manner, and reselecting and recovering through a table concentrator; and carrying out grinding flotation and recovering on reselected tailings (copper sulphide ores). By the mineral processing process of the copper sulphide ores containing the high-grade native copper, disclosed by the invention, the high-grade native copper can be efficiently recovered in advance; meanwhile, the copper sulphide ores and linnaeite are recovered, so that the damage to a crusher and accumulation in the mill caused by good ductility of copper can be overcome, so that the smooth crushing and the ore grinding production are ensured.

The invention discloses a constant voltage protection serial communication server. The constant voltage protection serial communication server comprises a microprocessor, a redundant power circuit, a constant voltage module, a first network module, a second network module, a serial interface circuit and a serial expansion circuit, wherein the first network module, the second network module and a serial processing circuit are connected with the microprocessor, the serial interface circuit is coupled to the serial expansion circuit, and the redundant power circuit is connected with the microprocessor through the constant voltage module. The constant voltage protection serial communication server overcomes the defects that in the prior art, a serial communication server is liable to signal interference, consequently, communication is interrupted, the service life of equipment is seriously affected, the server cannot work normally due to a power outage and a network outage, and a microprocessor is damaged because the voltage output by a power module is unstable or a voltage value cannot be constant.

The invention discloses a dual-mode wireless charging device, which comprises a wireless charging PCBA plate, a magnetic suction USB connector and a magnetic suction USB data wire, wherein the magnetic suction USB connector is electrically connected to the wireless charging PCBA plate; the magnetic suction USB data wire can be adsorbed to and electrically connected to the rear side of the rear end of the magnetic suction USB connector; the wireless charging PCBA plate comprises a wireless charging receiving coil and a PCBA plate; the PCBA plate is electrically connected with the wireless charging receiving coil; the PCBA plate is electrically connected to the front side of the rear end of the magnetic suction USB connector; and the front end of the magnetic suction USB connector is used for being inserted into a USB interface of to-be-charged equipment. The invention further discloses a dual-mode wireless charging mobile phone shell, which comprises the wireless charging PCBA plate, the magnetic suction USB connector and the magnetic suction USB data wire; the wireless charging PCBA plate is applied to the inner side of the mobile phone shell; the magnetic suction USB connector is electrically connected to the wireless charging PCBA plate; and the magnetic suction USB data wire can be adsorbed to and electrically connected to the rear side of the rear end of the magnetic suction USB connector. Therefore, the functions of a wireless charging receiving patch and the magnetic suction USB data wire are fused; and free transformation of wireless charging and wired charging and data transmission can be easily carried out on the electronic products of a mobile phone and the like without the USB connector.

The invention discloses a microstrip spiral double-frequency heat treatment antenna, comprising a coaxial input line, a double-arm spiral antenna, a microstrip circuit board and a water bag, wherein the double-arm spiral antenna adopts a planar spiral structure formed by two microstrips serving as spiral arms and is printed on the microstrip circuit board, the water bag is adhered to the surface of the double-arm spiral antenna in a manner of firm bonding, and water pipes are aligned inside the water bag; the double-arm spiral antenna has the spiral pitch from 0.1mm to 30mm, the number of turns from 1 to 10 and the width of microstrips from 0.1mm to 1.5mm, and satisfies the following relationship: the diameter of the double-arm spiral antenna is equal to 4 * the number of turns * (the spiral pitch + the width of microstrips). The microstrip spiral double-frequency heat treatment antenna can operate under the frequency of 915MHz and 2450MHz, has uniformity in heating and mutually supplementary heating scopes, and can avoid the damage to normal tissues caused by too high body surface temperature.

The invention belongs to the technical field of large airships, and provides a large airship transferring and flying method based on an AGV laager, and the method comprises the steps: enabling a plurality of AGVs to form the AGV laager which can move synchronously according to the style of an airship; mounting distance measuring equipment on the multiple AGVs, wherein when the AGVs form a vehiclelaager to integrally move, one AGV serves as the benchmark, the other AGVs monitor the distances between the AGV and the adjacent AGVs at the same time, the distances between the AGVs are kept unchanged in a traveling process of the AGV vehicle laager, a threshold value is set in a control program of the AGVs, and vehicle speed adjustment is fed back in real time. keeping all the AGVs to keep synchronously move; inflating the airship and anchoring the airship on the AGV laager; automatically running the AGV laager along a guide route and carrying the airship to drive out of an airship depot; dragging the airship to a proper position by the AGV laager to accomplish airship distribution. The large airship transferring and flying method based on AGV laager can achieve quick, stable and safe transferring and flying of different airships.

The invention discloses a transformer substation protection system. The system comprises a fire alarm system, a small animal repelling system, a signal protection device and a steel structured kit, wherein the fire alarm system comprises a trigger device, a fire alarm controller, a fire alarm device, a fire-fighting linked controller and automatic fire-fighting equipment, the animal repelling system comprises a snake repeller, a mouse repeller, an wireless integrated controller and a microcontroller, the snake repeller and the mouse repeller are electrically connected with the wireless integrated controller, the signal protection device comprises a cable and a cable signal transmitter, an additional wire is arranged on the lower end of the cable, signal generators are arranged on both ends of the additional wire, the signal generators are synchronized with the signal transmitter, a synchronous controller is arranged in the cable signal transmitter, and a same-frequency device is arranged in the synchronous controller. The transformer substation protection system can conduct fire pre-warning, small animal repelling and signal transmission protection.

The invention relates to the technical field of battery charging control, particularly provides a charging awakening method and device of a vehicle BMS and a vehicle charging system, and aims to solvethe technical problem of how to reliably charge and awaken the vehicle BMS. For this purpose, according to a charging awakening method of a vehicle BMS in an embodiment of the invention, charging control instruction of a vehicle BMS, which is generated according to a vehicle charging intention and is obtained based on a wireless communication technology, can be obtained; and a BMS wake-up instruction is generated according to the charging control instruction, and a preset low-voltage power supply is controlled to output a wake-up signal to the BMS based on a wireless communication technologyaccording to the BMS wake-up instruction so as to wake up the BMS. By means of the steps, the problem that in the prior art, when the BMS is awakened through a wired signal source, the BMS cannot benormally awakened due to damage of the signal cable is solved, and the awakening reliability of the vehicle BMS is improved.