84 results about "Central receiver" patented technology

A method and Apparatus for solar energy storage system uses gas for thermal transport for central tower solar thermal electric power plant to provide high quality, low cost, and continuously electric power generation. The storage contains a number of storage modules that each module can store energy for a given period of time. The thermal energy from central tower charges the modules one by one during the sunny time, while the thermal electric power plant discharge the modules one by one as long as it works. A control and a connection valve system control and connect the charge and discharge modules with the central tower and the power plant according to pre-arranged sequences. Fans at the cool side of the storage system push the circulation gas into the central tower or the thermal storage modules. In the discharge system, the hot gas from storage system is send to the heat exchange system, and to generate steam and to super heat steam for the power plant. In the charge system, the cold gas is pushed into the central receiver thermal exchange unit and to be heated, and the hot gas is then circulated back to storage system to charge up the storage system.

A suntracking system for a central receiver solar power plant includes a heliostat field for reflecting sunlight to a receiver, cameras directed toward at least a subset of the heliostats, and a controller. The cameras are configured to produce images of sunlight reflected from multiple heliostats. The heliostats include a mirrored surface having a settable orientation and have a geometry modeled by a set of parameters. A method of estimating heliostat parameters for open-loop suntracking includes acquiring pointing samples by setting the direction of reflection of the heliostats and detecting concurrent sunlight reflections into the cameras. The method uses the acquired pointing samples and surveyed locations of the cameras to estimate the heliostat parameters. The method accurately maintains the sun's reflection directed toward the receiver open-loop utilizing the estimated tracking parameters.

The invention provides systems and methods for integrating central receiver solar power systems with existing infrastructure to form multi-purpose structures. The invention also provides arranging heliostats to accommodate shadowing effects. Additionally, improved systems and methods for solar tracking are provided. Such improved solar tracking may enable the heliostats to more accurately reflect sunlight to a central receiver.

A solar power plant having a plurality of receiver panels mounted in a circular fashion about a solar receiver. Each receiver panel includes a plurality of tubes that terminate at each end at a header. To eliminate the presence of gaps between the tubes of adjacent receiver panels the headers are staggered or beveled. In the staggered configuration the headers of adjacent receiver panels are located in different elevations so that the headers of adjacent receiver panels may overlap each other, thus allowing the headers and tubes of adjacent receiver panels to be positioned closer together to eliminate gaps between the tubes of adjacent panels. In the beveled configuration the headers are angled such that the terminal ends of adjacent headers are parallel and positioned in a closely abutting relationship, resulting in the absence of gaps between adjacent headers and tubes.

The invention discloses an intelligent infusion device. The intelligent infusion device comprises an infusion bottle control mechanism, a puncture outfit mechanical arm mechanism, an infusion liquid dynamic monitoring mechanism, an infusion liquid temperature control mechanism, an automatic needle plugging and unplugging mechanism, a central control station and a central control unit. The central control unit corresponds to the puncture outfit mechanical arm mechanism, the liquid dynamic monitoring mechanism, the liquid temperature control mechanism and the automatic needle plugging and unplugging mechanism. The intelligent infusion device has the advantage that automatic integration in the infusion process can be achieved, which is concretely embodied in that an infusion bottle can be automatically changed; infusion dripping speed, flowing speed and liquid bubbles are monitored, the infusion dripping speed and flowing speed are controlled, and the bubbles are eliminated in time; in the infusion process, an infusion tube is heated, and heating temperature is automatically controlled; through control of mechanical arms, automatic needle plugging and unplugging are achieved; the central receiver controls controllers of all units, so that control over all stages in the infusion process is achieved.

A solar tower central receiver with separated boiler and Super-Heater allows better control on the output steam's temperature. The boiler takes higher solar flux density and works at lower temperature while the Super-Heater takes lower solar flux and works at high temperature to optimize the cost to performance ratio. The solar fluxes of the boiler and super-heater are adjustable through the pointing of the heliostats. The boiler consists of parallel pipes as solar absorber and the Super-Heater consists of helix parallel pipes as solar absorber. The steam drum chamber interconnects boiler and Super-Heater. The absorb pipes and circulation pipes are connected to water chamber, steam drum chamber, and Super-Heater chambers. The water level sensor and temperature sensors provide information regarding the operating status of the receiver.

A solar central receiver system employing common positioning mechanism for heliostats relates to a system of concentrating and harvesting solar energy. The heliostats of said system are positioned like facets of a Fresnel type of reflector. The heliostats are placed in arrays, wherein each array has a common positioning mechanism. The common positioning mechanism synchronously maneuvers the arrays of heliostats in altitudinal and / or azimuthal axis for tracking an apparent movement of the sun. The common positioning mechanism is employed for synchronously orienting said heliostats with respect to a stationary object and the sun such that incident solar radiation upon said heliostats is focused upon said stationary object from dawn to dusk. Subsequent to each said orientation of said heliostats, collective disposition of said heliostats always forms an arrangement that is capable of reflecting and thereby focusing incident solar radiation upon said stationary object.

The method and system as disclosed relates to streaming of large quantities of time critical data over multiple distinct channels from a wireless communications device to a central receiver. More specifically the disclosure deals with the challenges and problems of maintaining consistent data reception quality when faced with the anomalies of a moving sender that is sending data using a relatively unstable radio frequency (RF) method. This is achieved by converting single source data into multiple data streams, placing them in transport buffers and storing them for forwarding. A plurality of radio frequency modules provide wireless connectivity to a plurality of wireless network. Links are maintained to provide feedback on network connections to allow for the transfer of data from one network to another and to adjust the amount of data being transmitted.

The invention is a system and method for heliostat mirror control. Here, each heliostat mirror generates a low intensity “signal beam”, directed at an angle off from the heliostat mirror's high intensity and sensor blinding “main beam” of reflected solar energy. The low intensity signal beams may be created by reflecting a small portion of the incident solar light at an angle from the main beam, by reflected artificial light, or from lasers shinning onto mirrors from known locations. The signal beams are detected by optical sensors mounted way from the main heliostat receiver focus, and can be used in a closed loop control system to efficiently ensure that individual heliostat mirrors in a heliostat array accurately track sunlight and direct the sunlight to a central receiver. Because heliostat mirrors need not be taken “off sun” for positioning, the system allows heliostat arrays to be run at high efficiency.

The invention relates to a leakage monitoring device and method for crude oil gathering pipelines. The device comprises a plurality of distributed processing terminals, a central receiver and a central controller. Two distributed processing terminals are mounted on each pipeline and at an initial station exit and a terminal station entry respectively. The distributed processing terminals are used for data collection, processing, transmitting, pressure anomaly judging and suspected leakage judging. The central receiver is used for processing communication tasks between the central controller and the distributed processing terminals. The central controller is used for determining and warning suspected leakage. The leakage monitoring device has the advantages that suspected leakage judging tasks are processed in the distributed processing terminals in real time, related data are transmitted to the central controller only after the suspected leakage is found, the amount of wireless transmission data is greatly reduced, data communication quality is improved, the amount of data to be processed by the central controller is greatly reduced, a leakage determination algorithm is simple, load of the central controller is lowered, and operational stability of the central controller is improved.

A detection / communication apparatus to be installed on a vehicle having a plurality of tires. The apparatus includes: (a) tire state detectors which are provided on the respective tires and each of which detects a state of a corresponding one of the tires; (b) local transceivers which are provided on the respective tires and which transmit tire data sets relating to the respective tires; (c) a central receiver which is provided on a vehicle body and which receives the tire data sets transmitted by the local transceivers; (d) a particular-signal transmitter which is provided on the vehicle body and which transmits a particular signal; and (e) data-transmission modifiers which are provided on the respective tires. Each of the data-transmission modifiers is operable depending upon a state of reception of the particular signal by a corresponding one of the local transceivers, to modify transmission of a corresponding one of the tire data sets by the corresponding one of the local transceivers.

A suntracking system for a central receiver solar power plant includes a heliostat field for reflecting sunlight to a receiver, cameras directed toward at least a subset of the heliostats, and a controller. The cameras are configured to produce images of sunlight reflected from multiple heliostats. The heliostats include a mirrored surface having a settable orientation and have a geometry modeled by a set of parameters. A method of estimating heliostat parameters for open-loop suntracking includes acquiring pointing samples by setting the direction of reflection of the heliostats and detecting concurrent sunlight reflections into the cameras. The method uses the acquired pointing samples and surveyed locations of the cameras to estimate the heliostat parameters. The method accurately maintains the sun's reflection directed toward the receiver open-loop utilizing the estimated tracking parameters.

The present invention provides a solar energy heat collecting molten salt receiver system and method having adaptivity. The fault-tolerance molten salt pump transmitting system inputs cold molten salt in each receiver module to absorbing heat, heat molten salt after absorbing inputs in heat molten buffer tank via outlet on the top of the each receiver mould, then sending in turbine installation via the lower vessel to recycling potential energy of the heat molten salt, a flow control valve mounted on the lower vessel controls the molten salt quantity in the molten salt buffer tank and kept in a given range, each receiver in the system has a control system individual adjusting molten salt flow quantity according to temperature of the output molten salt to ensure the balance of each receiver mould output molten salt temperature and keeping with temperature set by system. The invention not only ensures optimalizing working efficiency of the molten salt receiver system and enhances working efficiency of the whole electric power plant, but also reduces cost of the system investment operation.

A high concentration central receiver system and method provides improved reflectors and a unique heat removal system. The central receiver has a plurality of interconnected reflectors coupled to a tower structure at a predetermined height above ground for reflecting solar radiation. A plurality of concentrators are disposed between the reflectors and the ground such that the concentrators receive reflective solar radiation from the reflectors. The central receiver system further includes a heat removal system for removing heat from the reflectors and an area immediately adjacent the concentrators. Each reflector includes a mirror, a facet, and an adhesive compound. The adhesive compound is disposed between the mirror and the facet such that the mirror is fixed to the facet under a compressive stress.

The present invention provides an improved louvered panel assembly comprising at least a first louver and a second louver with a control arm extending between each of them and each presenting a central receiver configured for receipt of a first bearing surface configured for rotation of them about a rotational axis extending through each of them. A leading projection extends from the first louver and is configured for downward rotation as the first louver operates between an open and a closed position. A trailing projection extends from the second louver, the trailing projection configured for upward rotation as the second louver operates between an open and a closed position the trailing projection presenting an upper channel which is adapted for receipt of a sealing membrane. An engaging structure is presented by said leading projection and said trailing projection which at least partially seals the panel assembly with the sealing membrane while the first and second louvers are in the closed position.

This invention relates to lightning strike monitor alarm system, which comprises strike signal collector, remote alarm controller and central receiving controller, wherein, the said collector can detect strike times of movable communication without human on spot, lightning current range of each lightning, time of strikes, power arrester working status. The remote alarm controller gets these information through connection circuit to get these information for process and send out warns to express the strikes to display on LCD and send the communication types through long line or telephone line or GMS to the central receiver machine of the local place. The central receiver sends warnings and displays on LCD to inform relative human for quickly process.

The invention discloses a robot device. The robot device comprises a base station and a robot. The base station transmits guiding signals. The robot respectively receives the guiding signals through three receivers, wherein one receiver is configured on the robot, and the other two receivers are respectively configured on a left side and a right side of the above receiver in different angles. The robot determines turning directions according to the guiding signals received by the receivers on the body. The robot turns towards the right side or the left side, and when signal strength received by the central receiver goes weak, the robot stops turning, and rotates in situ and searches the guiding signals again. The robot performs fine tuning until the guiding signal strength received by the central receiver is maximum, and the robot returns to the base station to charge.

Each flight attendant would carry a small portable receiver / transmitter device, similar in size to a pager, and a central receiver / transmitter located in the cockpit. Each portable receiver / transmitter has a numerical designation (1, 2, 3, etc.) which is unique to that one device. The portable receiver / transmitter has two buttons (yellow alert and red alert), a numerical display, indicator lights, and a vibrator. In a developing situation, a nearby flight attendant presses either the yellow or red alert button (depending on the severity of the situation), producing a radio frequency (RF) signal. The central receiver / transmitter receives, processes, and re-broadcasts the signal to all other portable receiver / transmitters worn by flight attendants. The portable receiver / transmitters vibrate to alert the wearers to the situation. A light (either red or yellow) illuminates on all portable receiver / transmitters, and the numerical designation of the sending receiver / transmitter appears on the displays. In addition, a light corresponding to the sending receiver / transmitter's numerical designation appears on the central receiver / transmitter, as well as an audible alarm sound.

The invention relates to a central receiver for tower solar energy power generation. The structure of the invention is formed by connecting a heat absorption section of each two adjacent high temperature heat pipes by an orthoptera piece and distribution in an alignment. The high temperature heat pipes are vertically placed. The heat absorption section is on a lower end and a heat release section is in an upper end. A bushing is covered on the heat release section, each of which is composed of an upper header pipe and a lower header pipe to form a work fluid channel. The upper header pipe is provided with a work fluid inlet and the lower one is provided with a work fluid outlet. An external surface of the heat absorption section of the high temperature heat pipe and a surface of the orthoptera piece for connecting the high temperature heat pipe are on a high temperature resisting selective absorption coat in a part of the external part of the receiver. The invention solves the defects that the receiver is limited, an idle load state of the high temperature heat pipe exists, the heat-transfer capability is limited, the coefficient of heat transfer is smaller, the heat exchange efficiency is not ideal and so on. The invention, by the busing and the header pipe, improves the heat-transfer capability and the occurrence of the idle load state of the high temperature heat pipe, which is applied to the solar energy power generation in a great scale.

The invention discloses an orbital angular momentum (OAM) multiplexing transmission system based on phase surface relaying. The OAM multiplexing transmission system comprises a signal transmitting end, a signal receiving end and a central receiver, wherein the signal transmitting end is used for collecting user data, modulating the user data into OAM electromagnetic waves of a plurality of modes,and transmitting the OAM electromagnetic waves to the signal receiving end; the signal receiving end comprises a plurality of relay repeaters which are distributed on a circular ring covered by a mainlobe; each relay repeater forwards received signals at different locations on a phase plane circular ring; the relay repeaters are independent of each other, and the number of the relay repeaters isno less than the mode number of the OAM electromagnetic waves; the signals are forwarded to the central receiver in a wireless or wired way; the central receiver comprises a second receiving and transmitting antenna for receiving the signals relayed and forwarded by the plurality of relay repeaters, a phase plane correction module for carrying on phase plane correction on the distributed transmitted signals, and a demodulation module for demodulating the signals being subjected to phase plane correction. By adopting the system, electromagnetic wave orbital angular momentum transmission of longdistance, high capacity and high spectral efficiency can be realized.

The invention discloses a system for positioning a heliostat. The system comprises a central receiver, the heliostat, a two-dimensional servo system platform, a CCD (Charge Coupled Device) detector, a laser ranging device, a main controller, a flash light emitter and a total reflecting prism. The invention further discloses a method for positioning the heliostat based on the system. The method comprises the following steps of: (1) adjusting the two-dimensional angle of the laser ranging device by using the two-dimensional servo system platform; (2) capturing the heliostat to be measured by using the CCD detector and the flash light emitter; (3) judging the size of the deviation between a laser facula and the center point of the heliostat by using the CCD detector, and controlling and rotating the two-dimensional servo system platform to adjust laser, so that the laser can shot the center of the heliostat; (4) measuring the distance from a laser emission point to the center point of the heliostat by using the laser ranging device; and (5) repeating the steps (1) to (4) to obtain the actual coordinates of the center point of the heliostat according to the distance from the laser ranging device to the center point of the heliostat and the position coordinates of the laser ranging device. According to the system and the method disclosed by the invention, the actual coordinates of the heliostat can be accurately calculated so as to accurately position the heliostat.

Each flight attendant would carry a small portable receiver / transmitter device, similar in size to a pager, and a central receiver / transmitter located in the cockpit. Each portable receiver / transmitter has a numerical designation (1, 2, 3, etc.) which is unique to that one device. The portable receiver / transmitter has two buttons (yellow alert and red alert), a numerical display, indicator lights, and a vibrator. In a developing situation, a nearby flight attendant presses either the yellow or red alert button (depending on the severity of the situation), producing a radio frequency (RF) signal. The central receiver / transmitter receives, processes, and re-broadcasts the signal to all other portable receiver / transmitters worn by flight attendants. The portable receiver / transmitters vibrate to alert the wearers to the situation. A light (either red or yellow) illuminates on all portable receiver / transmitters, and the numerical designation of the sending receiver / transmitter appears on the displays. In addition, a light corresponding to the sending receiver / transmitter's numerical designation appears on the central receiver / transmitter, as well as an audible alarm sound.

The invention provides a passive tire power generating device and a tire parameter detecting system. The temperature difference between the high temperature generated when a tire operates and the temperature of the external environment is used by the power generating device, electric energy is generated through a thermoelectricity collecting piece, and the electric energy provides a power supply through a storing and converting circuit and a transmitting circuit. The tire parameter detecting system comprises a parameter sensor, a wireless transmitter and a central receiver module. The passive tire power generating device is used for providing electric energy for the tire parameter sensor and the wireless transmitter. The passive tire power generating device is installed on the tire, and the tire parameter sensor is installed in the tire to measure the parameters of the tire. Parameter information of the tire is transmitted to the central receiver module from the interior of the tire through the wireless transmitter, and the tire parameters are then displayed. The problem of power supply of a tire pressure detector in a direct type tire pressure monitoring system is solved; the tire parameter detecting system is different from other passive tire parameter detecting systems in terms of tire parameter detection and is independent of tire pressure and vehicle vibration work; an energy transmission coil which is high in cost and complicated in installation does not need to be introduced into the system.

A robot device includes a base station and a robot. The base station transmits guiding signals. The robot receives the guiding signal by three receivers. A receiver is disposed at the robot, and the other two receivers are disposed at the right and left of the receiver at different angles. The robot bypasses toward right or left according to the guiding signal received by the receivers. When the strength of the guiding signal received by the central receiver decreases, the robot stops bypassing to spin and searches the guiding signal again till the strength of the guiding signal received, by the central receiver is a maximum value. The robot has a fine tuning to return to the base station to have a charge.

The invention relates to a high-temperature solar-energy heat-collecting system provided with the functions of light-assembling with a light funnel, directional light-transmission and central light-receiving, belonging to the optical technology application and solar-energy light-assembling application field. The invention comprises the light funnel provided with a point-focusing function, a directional polariscope and a central receiver which are sequentially arranged. The sunshine is assembled to form a point light supply through the light funnel, and the position of the point light supply overlaps a focus of the paraboloidal directional polariscope, and the sunshine is reflected by the directional polariscope and then is sent to the central receiver to be received. As the sending direction of the directional polariscope is adjustable, one central receiver can receive the sunshine which is from different directions and collected by a plurality of light funnels, thus forming the high-temperature heat energy.

A solar central receiver system employing common positioning mechanism for heliostats relates to a system of concentrating and harvesting solar energy. The heliostats of said system are positioned like facets of a Fresnel type of reflector. The heliostats are placed in arrays, wherein each array has a common positioning mechanism. The common positioning mechanism synchronously maneuvers the arrays of heliostats in altitudinal and / or azimuthal axis for tracking an apparent movement of the sun. The common positioning mechanism is employed for synchronously orienting said heliostats with respect to a stationary object and the sun such that incident solar radiation upon said heliostats is focused upon said stationary object from dawn to dusk. Subsequent to each said orientation of said heliostats, collective disposition of said heliostats always forms an arrangement that is capable of reflecting and thereby focusing incident solar radiation upon said stationary object.

The aim of the invention is to build central receiver solar power plants in which the heliostat fields can be used more efficiently. To achieve said aim, a heliostat field consisting of a near field having a uniform reflector surface density ρ of more than 60% is preferably combined with a far field whose reflector surface density ρ decreases as the distance from the receiver increases. The invention also comprises central receiver solar power plants which consist exclusively of a near field having a uniform reflector surface density ρ of more than 60%. The high reflector surface density ρ in the near field and in areas of the far field is achieved by the use of heliostats having rectangular reflectors and a rigid horizontal axle suspension (FHA) or, alternatively, by heliostats having rectangular reflectors and a rigid quasipolar axle suspension (FQA). The heliostat field concentrates the solar radiation on a receiver whose target surface, aperture, thermal absorber or photovoltaic absorber has a normal vector which is directed downward to the heliostat field that extends below the receiver in the directions North, East, South and West. The receiver is mounted in a suspended manner to a support structure that extends over the heliostat field.