1450results about How to "Avoid power outages" patented technology

A system for providing medical treatment to a patient, including a medical treatment apparatus and a remote control device. The medical treatment apparatus has a local processor, and a local communication element connected to the local processor, while the remote control device includes a remote processor, user interface components connected to the remote processor, and a remote communication element connected to the remote processor and adapted to communicate with the local communication element of the medical treatment apparatus in a wireless manner such that information can be transferred between the local processor and the remote processor. The remote control device also includes at least two separate power supplies connected to the remote processor.

The present disclosure describes a plurality of transducer arrangements that may be suitable for wireless power transmission based on single or multiple pocket-forming. Single or multiple pocket-forming may include one transmitter and at least one or more receivers, being the transmitter the source of energy and the receiver the device that is desired to charge or power. The transducer arrangements may vary in size and geometry, and may operate as a single array, pair array, quad arrays or any other suitable arrangement, which may be designed in accordance with the desired application.

An optical film is placed over a liquid crystal display to manipulate the polarized light exiting the top polarizing layer of the display such that the light is less likely to become blocked out by the polarized sunglasses of a user viewing the device. The manipulation may include retarding the axis of the light or diffusing the light.

The invention discloses an industrial power plug and socket mechanism capable of self locking. The mechanism comprises a socket body (1) and a plugging driving mechanism (3). The socket body (1) is formed by a frame (12) and a base (11) fixed at the right side bottom of the frame (12). The base (11) is internally provided with a sliding groove (110). The bottom of the plugging driving mechanism (3) is embedded in the sliding groove (110) and is in a sliding matching connection with the sliding groove (110). The sliding groove (110) is internally provided with a driving screw rod (111) which extends along two sides of the sliding groove (110). The driving screw rod (111) goes through the plugging driving mechanism (3) and is threadingly connected to the plugging driving mechanism (3). The right side of the driving screw rod (111) goes through the base (11) and is connected to a driving motor (112) in a rotating matching way. The outer wall of the driving motor (112) is fixedly connected to the adjacent side of the base (11). The industrial power plug and socket mechanism can be automatically plugged and locked, the power outage caused by accidental touch is prevented, the stability is high, and the cost of manufacturing is low.

A power generation plant with a compressed air energy storage system comprises a means to reduce the pressure of air extracted from a compressed air storage cavern for the use in a combustion turbine. The means to reduce the air pressure comprises at least one expansion turbine and means to control the size of pressure reduction. Furthermore, the expansion turbine is arranged on a rotor shaft that drives a generator. The means for pressure redact, according to the invention, avoid power losses and provide an increased overall efficiency of the power generation plant.

Re-routing interactions are predicted for a communications network including a plurality of network elements. A respective device state image is constructed for each of the plurality of network elements, with each of the device state images including a failover setting of a respective one of the network elements. The device state images are transmitted to a network simulator. The performance of the communications network is simulated in response to the device state images. A prospective network element failover of a predetermined one of the network elements is transmitted to the network simulator. A performance of the communications network is simulated in response to the device state images modified by the prospective network element failover. It is then detected whether an acceptable performance is maintained in view of the prospective network element failover in order to identify whether is will be permissible to perform a maintenance action on the network element which makes it unavailable to the network.

A latch apparatus for providing secure storage to an enclosure is disclosed. The latch apparatus can include an actuating device that operates to lock or unlock the latch apparatus in response to a control signal. The control signal can be communicated to the latch apparatus through an RF or other transmitted signal or through hardwires connecting the latch apparatus to the remote device. The latch apparatus can be maintained in either a locked state or an unlocked state without having to continuously supply power to the latch apparatus. The latch apparatus can include a latch hook that can be detent biased to both the open position and the closed position while the latch apparatus is in either a locked state or an unlocked state. The latch hook can move from the open position to the closed position while the latch apparatus is in a locked state. The latch apparatus can also have a thickness such that the latch apparatus will fit in the gap in which drawer slide hardware for an enclosure is installed.

A power conversion system includes a power generating apparatus, an auxiliary generation device that consumes power, an auxiliary-devised power source, a secondary battery device chargeable and dischargeable with power generated by the power generating apparatus, a bilateral DC/AC inverter that causes the power generating apparatus to cooperate with a commercial AC power source, and a switch unit provided between the commercial AC power source and the bilateral DC/AC inverter, DC terminals of the bilateral DC/AC inverter and an input of the auxiliary-devised power source, when the power generating apparatus generates no power, the switch unit is opened, the bilateral DC/AC inverter is stopped, and the voltage supplied from the secondary battery device to the auxiliary-devised power source is lower than that supplied from the secondary battery device to the auxiliary-devised power source when the power generating apparatus generates power.

An asynchronous analog to digital convertor for converting an analog input signal into a digital output is presented. According to an embodiment, the analog to digital convertor comprises a clock input operable to receive an external clock signal having a clock period, a comparator operable to compare the analog input signal to a reference signal, a digital to analog converter operable to generate the reference signal corresponding to a state of a successive approximation register, and a control block connected to the comparator and to the digital to analog converter. The control block is operable to generate and receive a sequence of control signals according to a successive approximation algorithm, to perform a plurality of comparisons, and to update the state of the successive approximation register thereby generating the digital output.

An energy harvesting system for transferring energy from an energy harvester (2) having an output impedance (Z_i) to a DC-DC converter (10) includes a maximum power point tracking (MPPT) circuit (12) including a replica impedance (Z_R) which is a multiple (N) of the output impedance. The MPPT circuit applies a voltage across the replica impedance that is equal to an output voltage (V_in) of the harvester to generate a feedback current (I_ZR) which is equal to an input current (I_in) received from the harvester, divided by the multiple (N), to provide maximum power point tracking between the harvester and the converter.

The invention discloses a novel power supply component for electric equipment. The novel power supply component for the electric equipment comprises a power supply socket fixedly arranged in a wall, and a plug connected with a household appliance, wherein slots of which openings are toward the right are vertically symmetrically arranged in the power supply socket; an upper mounting groove and a lower mounting groove communicating with the slots are symmetrically arranged in the left side in the power supply socket; telescopic chutes communicating with the slots are symmetrically arranged in the right side in the power supply socket; an upper sliding groove and a lower sliding groove which communicate with the upper mounting groove and the lower mounting groove are arranged in the center inthe power supply socket separately; interconnected communicating grooves are arranged between the upper sliding groove and the lower sliding groove; an upper gear bank and a lower gear bank are arranged in the upper mounting groove and the lower mounting groove separately; a first sliding strip is arranged in the upper sliding groove in a manner of sliding from left to right; a first rack is arranged on the end surface of the top of the first sliding strip; and a mother power supply block extending into the communicating grooves is fixedly arranged at the bottom of the right side of the firstsliding strip.

The invention relates to the electric safety field and provides a power supply loop monitoring device and system, solving the problem that the monitoring of loops is not accurate and has high cost. The system comprises data acquisition nodes and a data processing device, wherein the data acquisition nodes are arranged on each power supply loop or power supply sub-loop respectively to independently control each power supply loop or power supply sub-loop; the data acquisition nodes are communicated with a data processing unit to send the data of the data acquisition nodes to the data processing unit and receive the control instructions of the data processing unit for controlling the power supply loops or power supply sub-loops; and the data processing device performs statistical analysis to the data collected by the data acquisition nodes, sends the result of statistical analysis to a remote device and obtains the control instructions of the remote device. The embodiment of the invention combines with the networked centralized control management to ensure that the power supply line becomes safer and more reliable and the unnecessary power failure or fire is avoided.

A PCV valve include a housing which internally has a valve chamber including an entrance at one end and an exit at the other end in an axial direction of the valve chamber. In the valve chamber, a valve element which is axially movable and a spring which urges the valve element toward the entrance are provided. An electric heater is provided in the housing. The valve element includes an end which is movable close to the entrance. The electric heater is arranged in such a manner as to surround the valve chamber from the exit to the end of the valve element closer to the entrance. The electric heater includes a cylindrical bobbin made of a high heat-conductive material and a coil wound on the outer periphery of the bobbin. The bobbin has an inner peripheral surface forming a large part of an inner peripheral surface of the valve chamber.

The invention discloses a power supply assembly for electrical appliance equipment. The power supply assembly comprises a power supply seat and a plug, wherein the power supply seat is fixedly arranged in a wall, the plug is connected with a household electrical appliance, slots are vertically and symmetrically formed in the power supply seat and are provided with rightward openings, an upper installation groove and a lower installation groove are symmetrically formed in a left side of the power supply seat and communicate with the slots, telescopic grooves are symmetrically formed in a rightside of the power supply seat and communicate with the slots, an upper sliding groove and a lower sliding groove are formed in the center of the power supply seat and respectively communicate with theupper installation groove and the lower installation groove, a communication groove is formed between the upper sliding groove and the lower sliding groove and communicate with the upper sliding groove and the lower sliding groove, an upper gear group and a lower gear group are respectively arranged in the upper installation groove and the lower installation groove, a first sliding strip is arranged in the upper sliding groove and can slide leftwards and rightwards, a first rack is arranged on an end surface of the top of the first sliding strip, a power supply mother block is fixedly arranged at the bottom of a right side of the first sliding strip and extends to the communication groove.

The invention discloses a water cup device, which comprises a plug connected to the water cup through wires and an electrical socket connected to the plug. There are first sliding grooves extending from left to right in the seat, which are mutually symmetrical up and down. Between the two first sliding grooves, there is an electric plugging groove with the opening facing the right and mutually symmetrical up and down. In the electric plugging groove A contact piece is fixedly installed, and a second sliding groove connecting the two first sliding grooves is also arranged in the socket. A sliding arm can slide left and right in the first sliding groove, and the sliding arm is right A first toothed bar is provided on the end face facing the electrical insertion slot, and an engaging arm is installed in the second sliding slot so as to slide left and right, and the engaging arm is fixedly connected to the sliding arm.

A driving device of a capacitive load includes a modulator that executes pulse modulation on a drive waveform signal. An inductor performs low-pass filtering on the modulated drive waveform signal and outputs the low-pass filtered signal as a drive signal towards a load capacitor as the capacitive load. A load selection control circuit selects a load capacitor and a dummy load capacitor to be connected to the inductor so that a sum of the capacitances of the selected load capacitor and dummy load capacitor is kept within a predetermined range. A feedback circuit executes a filtering process on the drive signal so that a frequency characteristic of a passing band of the drive signal becomes substantially flat. The resulting signal is provided to the modulator as a feedback signal. The modulator executes the pulse modulation on a difference value between the drive waveform signal and the feedback signal.

An electrical circuit for a downhole tool may include a battery, a load electrically connected to the battery, and at least one switch electrically connected in series with the battery and to the load. The at least one switch may be configured to close when a tool temperature exceeds a selected temperature.

A network for distributing signals to a plurality of user having a distribution unit and a plurality of optical cables adapted to make the distribution unit communicate with the plurality of user equipment. In turn, each optical cable has an optical fibre having a core, a cladding and a predetermined simple refractive index profile Δn(r). Each optical fibre is adapted to guarantee a single-mode propagation at higher wavelengths than about 1260 nm and a few-mode propagation at about 850 nm, and each optical fibre has such refractive index profile Δn(r) as to guarantee macro-bending losses at 1550 nm that are less than about 0.5 dB and an intermodal delay Δτ at 850 nm that is less than or equal to, about 1 ns/Km.

The present invention relates to a voice coil module (VCM), and more particularly, to a VCM used for lens fixation and displacement measurement in order to prevent and control power consumption. Accordingly, in the VCM, power is not additionally consumed in order to maintain a specific position of the lens in a state that a focus of the lens is adjusted. Further, the lens is not moved and an optical axis is not distorted when a vibration occurs while an image is captured. Furthermore, the lens can be accurately controlled by measuring the present position of the lens.

The invention discloses a novel power supply plug device. The novel power supply plug device comprises a power supply seat and a plug and is characterized in that the power supply seat is fixedly arranged in a wall, the plug is connected with a household electrical appliance, jacks are vertically and symmetrically arranged in the power supply seat and are provided with rightward openings, swinginggrooves are vertically and symmetrically arranged in positions, at outer sides of the jacks, in the power supply seat, first sliding grooves are arranged in positions, at left sides of the jacks, inthe power supply seat and communicate with the swinging grooves, second sliding grooves are arranged between the two jacks in the power supply seat and are provided with openings facing the jacks, toppress rods are rotatably arranged in the swinging grooves by hinge shafts, sliding rods are arranged in the first sliding grooves and prop against the top press rods in a matching way, a power supplyson block is fixed at the bottom of the sliding rod at an upper side, and a power supply mother block is fixed at the top of the sliding rod at a lower side.

A power controller includes a boost converter, an inverter, and a control unit controlling the output voltage of the boost converter and the carrier frequency of the inverter. The control unit includes a carrier frequency reducing program which reduces the carrier frequency to an LC resonance upper limit frequency while maintaining a set value of the output voltage of the boost converter at a system loss minimization voltage at the time of reduction of the carrier frequency from the set frequency, and a voltage varying program which changes the carrier frequency to a first varied frequency calculated based on a first predetermined temperature or lower and the temperatures of the respective switching elements, and changes the set value of the output voltage of the boost converter to a voltage at which the LC resonance upper limit frequency becomes the first varied frequency.

The present invention provides a system for enabling control of the temperature of a receptacle in a satellite for containing a brewed fluid, so as to enable control of the temperature of the brewed fluid in the receptacle upon transfer of the brewed fluid from a brewing machine into the receptacle. The control of the temperature of the receptacle is responsive to contactless and wireless transfer of power and communication between the brewing machine and the satellite, and to generating, communicating, and processing fluid temperature measurement-enabling data between the brewing machine and the satellite, so as to enable control of the temperature of the brewed fluid.

A power control design for multiple antenna communication systems is herein disclosed which uses an optimized quantized feedback link between the receiver and the transmitter.