53results about How to "Precise positioning function" patented technology

The invention relates to a power distribution fault studying and judging method based on multisystem collaboration. The method comprises the following steps: a power distribution transformer object is positioned; whether the scheduled power outage is performed is judged; the known fault power outage is judged; a power outage range is defined by adopting an asynchronous interrogation mode; and a low-voltage line fault is judged. According to the studying and judging method, more comprehensive analysis of the operation state of a power distribution network is facilitated, detailed basis is provided for fault processing and standardized first-aid repair work of a power supply system, and accurate power supply device positioning and fault range defining functions are provided for low-voltage user repair reporting processing. Meanwhile, the acquired reading inquiring function of real-time electricity-using readings of intelligent meter users and the attributed power distribution transformers can be basically realized by the studying and judging method so that powerful auxiliary means are provided for real-time and accurate definition of repair reporting accident range for repair reporting users.

A mounting structure for slot paper in a motor stator. The slot paper is embedded in stator slots and includes a paper bottom, a paper side, and a paper front. A lug boss is protruded between two adjacent tooth block segments and protrudes from the inner wall of an outer ring. Two ends of the slot paper extend out of each stator slot. Two ends of the paper bottom are locked between the lug bosses respectively arranged on the upper end insulator and the lower end insulator. One end of each tooth block segment is provided with a clip slot and the paper front near the opening is embedded therein. The structure is simple, has a precise slot paper positioning function, does not occupy space of the stator slot, maximizes the slot filling ratio of the slots, and thus improves the overall performance of the motor.

The invention provides a vehicle stored in an electronic fence. An emitting device in the electronic fence can emit wireless signals outwards in real time, and a wireless signal receiving device is arranged on the vehicle; when the vehicle enters into the electronic fence, the receiving device can receive wireless signals in the electronic fence, the vehicle is shown to have entered the electronic fence, and a user successfully returns the vehicle; meanwhile, when the vehicle is driven out of the electronic fence, the receiving device cannot receive the wireless signals, the vehicle is shown to have been driven out of the electronic fence, and the user successfully borrows the vehicle. Whether the vehicle is successfully borrowed or returned can be judge by emitting and receiving the wireless signals; compared with GPS location in a related technology, the wireless signals emitted by the electronic fence have a more accurate location function, can shorten an error of 200 to 500 meters within an error range of 1 meter, improves convenience for the user to borrow and return the vehicle and improves user experience.

The invention relates to the technical field of welding machining of invisible well lids, in particular to welding equipment for automatically and efficiently welding reinforcing steel bars to an invisible well lid. The welding equipment comprises a rack, a storage frame, a clamping and feeding assembly, a material moving and bearing assembly, a reinforcing steel bar feeding assembly and a weldingassembly; the clamping and feeding assembly comprises a first rotary table arranged on the side, close to the storage frame, of the rack, a first lifting mechanism vertically mounted at the output end of the first rotary table, a first mounting support horizontally mounted at the output end of the first lifting mechanism, a clamping and driving mechanism arranged on the first mounting support anda positioning and clamping mechanism arranged at the output end of the clamping and driving mechanism; and the clamping and driving mechanism is in transmission connection with the positioning and clamping mechanism. According to the welding equipment for automatically and efficiently welding the reinforcing steel bars to the invisible well lid, the reinforcing steel bars of the invisible well lid can be automatically welded, the labor intensity is reduced, the working efficiency is improved, the welding precision is improved, and the multiple ends of a reinforcing steel bar net can be weldedat the same time.

The invention discloses a water surface floating power generation device, belongs to the power generation field of rescue equipment, and aims at solving the problem of floating power generation. The device comprises a large hollow sphere and a small hollow sphere, and an electrode is plated on the inner surface of the hollow sphere. Metal oxide nanorods grow on the electrode and form a nano array.Electrodes are plated on the outer surfaces of the hollow balls. A friction material is attached to a gold layer, and the small hollow ball is arranged in the large hollow ball. The interiors of thesmall hollow ball and the large hollow ball have spaces for enabling a small ball to move. One wire is connected to the electrode of the small hollow ball, and passes through the large hollow ball andis led out of one wire hole in the large hollow ball; the other wire is connected to the electrode of the hollow large ball, is led out from the other wire hole. The two wire holes allow the wires tocome out and are sealed, and the two wires are connected with a signal transmitting device to supply power, thereby achieving the floating power generation.

The invention discloses a water surface self-powered signal transmitting device, and belongs to the field of rescue device power generation. The problem of supplying power to a floating signal transmitting device is solved. The water surface self-powered signal transmitting device comprises a power generation device and a signal transmitting device. The power generation device floats in water andshakes on the water surface, so parts of the power generation device rub one another and generate charges, and the charges are guided out by a wire and supplied to the signal transmitting device. Theeffect of supplying power to the floating signal transmitting device can be realized.

The invention discloses a non-blind area real-time monitoring and alarming system for highway sudden accidents, belongs to the field of photoelectricity, and can solve the problems that the existing whole-course information monitoring of the highway is lack of all-road-section, all-weather and timeliness, is easily restricted by severe environments such as rainy, foggy and snowy days or unclear sight at night and the like. The system comprises a distributed sound wave detection optical cable, a sound wave signal demodulator, a network switch, a work station and a monitoring terminal. Through a sensing optical fiber network composed of a series of reflection nodes distributed at equal intervals, sound wave signals generated when traffic accidents happen are monitored at a high speed in real time without blind areas, the traffic accidents are accurately positioned by analyzing frequency components, and alarm information is sent in time. Real-time on-line monitoring and timely alarm without blind areas along the highway are achieved, linkage is carried out through a local area network and a video and unmanned aerial vehicle inspection system, accurate positions and types of faults are provided, and large-capacity and long-distance distributed sound wave monitoring is achieved.

The invention discloses a portable wireless communication device, a wireless positioning system having the same and a wireless positioning method. A wireless communication module in the portable wireless communication device can be connected with a plurality of wireless lamp control devices around the portable wireless communication device. A processing module can perform data transmitting or receiving with the plurality of wireless lamp control devices through the wireless communication module, and furthermore can screen a preset number of selected wireless lamp control devices according to the wireless communication signal strength or communication reaction time of the plurality of wireless lamp control devices. The processing module can transmit a position request signal to each selected wireless lamp control device through the wireless communication module for acquiring the position signal of each selected wireless lamp control device. The processing module utilizes the wireless communication module for transmitting a lamp control signal to a random wireless control device through one or a plurality of devices in the plurality of selected wireless lamp control devices, or can transmit the position signal of each selected wireless lamp control device or the identity signal of the portable wireless communication device to a control center.

The invention discloses a voice and gesture auxiliary operation system convenient for the old to operate a smart phone. The system comprises basic function modules and additional function modules. The basic function modules comprise phone function modules and short message function modules; the additional function modules comprise an emergency help calling module, a one-key time telling module and one-key electric quantity knowing module; the phone function modules comprises a call dialing module, a call answering module, a call rejection module and a missed call processing module; and the short message function modules comprise a short message checking module and a short message sending module. According to the system, the great vacancy of the market is made up to a certain extent; the possibility of using the smart phone at will by the old is provided; and the application enables the great old group to enjoy the convenience brought by the smart phone.

The present invention provides a robot with a 3D scanning function. The 3D scanning function comprises a 3D scanner, a control module, a sensing module and an execution module; the 3D scanner and the sensing module collect external data information; the collected external data information is transmitted to the control module for processing the external data information; and after performing precise operation processing, the control module controls the execution module to perform a corresponding action. According to the robot with the 3D scanning function of the invention, the 3D scanner and the sensing module collect the data information, the control module processes the data information through using an SLAM algorithm, so that the robot has an accurate positioning and navigation function and can avoid obstacles, and thus, the robot has the advantages of high intelligence degree, high user friendliness and high practicability.

The invention provides a positioning method, device and system based on a magnetic field characteristic vector, and relates to the technical field of signal positioning. The positioning method based on the magnetic field characteristic vector comprises the following steps: acquiring characteristic vectors of a plurality of magnetic beacons at a target; determining the position of the target according to the feature vector; and determining an attitude angle of the target relative to the magnetic beacon according to the position of the target. The invention discloses a technical scheme, a low-frequency magnetic field characteristic vector is generated through a magnetic beacon, so that long working time is provided in complex environments with a large number of obstacles, such as underground, indoor and the like; the navigation service scheme has the advantages of simple structure, stability, no accumulation of position errors and target attitude errors, and irrelevance of navigation positioning results and target attitudes, and effectively improves the navigation capability in a complex environment.

The invention discloses a control method suitable for a portable rotary table. According to the control method, a high-precision encoder is driven to rotate through forward and reverse rotation of a motor, and a transmission dead zone is measured in a mode of acquiring and analyzing data of a Hall sensor and the high-precision encoder at a motor end. The high-precision encoder is combined with a reduction ratio to calculate the position of a motor rotor in real time, then the Hall sensor is used for accurately correcting the position of the motor rotor and judging whether the motor is locatedin a transmission dead zone or not so as to achieve dead zone compensation in control, and the control method has a positioning working mode and a speed working mode. In the positioning control mode,a variable stable point control algorithm is adopted in a system precision allowable range, and a quick, stable and accurate positioning function is realized. In the speed control mode, the robustnessof a high reduction ratio system is utilized, a difference angle control algorithm is adopted for a motor speed ring, and the system is guaranteed to be able to operate stably at a high speed and a low speed.