641results about How to "Avoid energy loss" patented technology

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.

The present invention provides a four-piece solid golf ball having excellent flight performance and good shot feel at the time of hitting. The present invention relates to a four-piece solid golf ball comprising a core, an intermediate layer formed on the core, an outer layer formed on the intermediate layer and a cover covering the outer layer, wherein the core has a surface hardness in JIS-C hardness of 67 to 85, a JIS-C hardness of the intermediate layer is higher than the surface hardness of the core, and a JIS-C hardness of the outer layer is higher than the hardness of the intermediate layer.

The invention relates to a smokeless air fryer which finishes the cooking of foods and does not exhaust smoke by utilizing the high-speed hot air circulation technology. The smokeless air fryer comprises an air fryer fixed body and an air fryer movable body, wherein a top-driven power supply switch is arranged on one side of the lower end surface of a boss part at the front part of the air fryer fixed body, and a timer is arranged at the boss part; a top-driven boss is arranged on one side of the upper end surface of a handle of the air fryer movable body, and the handle is in locking and opening matching with an object containing mesh basket; the top-driven boss is in top-driven opening and closing matching with the top-driven power supply switch on one side of the lower end surface of the boss part of the air fryer fixed body; a planer screw type electric heating tube is arranged below hot air blades of the air fryer fixed body, a power supply joint of the planer screw type electric heating tube is connected with the inner wall of the air fryer fixed body through a connection assembly, and a tube body of the planer screw type electric heating tube is elastically connected with the inner wall of the air fryer fixed body through a tension spring; and the center of the bottom of an oil collecting backflow pot of the air fryer movable body is in an arc bulge shape, and the wall circumference and the bottom of the oil collecting backflow pot are in an arc shape.

The present invention provides a four-piece solid golf ball having excellent flight performance and good shot feel at the time of hitting. The present invention relates to a four-piece solid golf ball comprising a core, an intermediate layer formed on the core, an outer layer formed on the intermediate layer and a cover covering the outer layer, wherein the core has a surface hardness in JIS-C hardness of 67 to 85, a JIS-C hardness of the intermediate layer is higher than the surface hardness of the core, and a JIS-C hardness of the outer layer is higher than the hardness of the intermediate layer.

The invention discloses a system and method for automatically loading and unloading goods in a vending machine. The goods are stored in a layering mode, a plurality of goods channels are formed in each layer and driven by motors, and infrared emission receiving devices are installed. A lifting pick-up cabin, an electrically operated gate and infrared emission receiving devices are arranged in an automatic vending machine goods container cabin. A RFID card reader, a bar code reader, a man-machine interface touch screen, a biometric feature recognition device and a network management platform are further installed on the vending machine. Due to the mode of full-automatic loading and unloading, when a door of the machine is opened, internal cold and heat energy losses are avoided, an operator is prevented from making contact with cash, and in combination with electronic commerce network shopping, the system and method improve efficiency of physical distribution, are convenient to use and rapid, keep warm, save energy and are advanced in technology.

A load driving device disclosed in the specification includes a power supply circuit for supplying to a load an output voltage converted from an input voltage, a detection voltage generation circuit for generating a detection voltage which varies depending on a magnitude of a voltage drop which across the load, and a control circuit for controlling the power supply circuit so that it performs output feedback control of the output voltage, on the basis of the detection voltage.

The present invention discloses a high CRI white LED and a lamp comprising the white LED. The white LED includes a base, a reflector for mixing light, protrusions on the inner wall surface of the reflector, at least 6 LED chips emitting lights at different wavelengths, which are fixed and electrically combined on the heat conducting base, and a lead frame which has a shape and a size matched well with the bottom of the reflector and which is fixed outside the reflector and on the top surface of the base. Electrodes of the LED chips are electrically connected with leads on the lead frame. A transparent optical material covers the chips. The multi-wavelengths lights are mixed uniformly by diffuse reflection of the reflecting walls of the reflector to achieve a white LED with high CRI and high efficiency. A white LED lamp or a white LED plane light source comprising the white LED can avoid energy loss in optical conversion in which phosphors are used. With the configuration, the efficiency in electro-to-optic conversion and working lifetime of the lamps are improved. The lamp is also suitable for mass production.

An organic light emitting display device including an anode having a multi-layer structure which can be manufactured using a simple process, has good hole transfer properties and high reflectivity, and prevents energy loss due to a drop in voltage. The organic light emitting display device includes a substrate, a thin film transistor formed on the substrate and including source and drain electrodes, a first anode patterned simultaneously with the source and drain electrodes of the thin film transistor, formed integrally with the source or drain electrode, and made out of a conductive material having a low resistance, a second anode formed on the first anode, and made out of a conductive material having a high work function, an organic layer formed on the second anode and a cathode formed on the organic layer.

An ankle joint rehabilitation device comprises a base assembly, a moving platform, a driving branch and a limit branch. The base assembly comprises a base and a support platform. The support platform is fixed on the base through a support bar. The limit branch is rotatably disposed on the base and comprises a bearing platform, a left support link, a right support link and an arc link. The bearing platform is disposed on the support bar in a sleeving manner. The driving branch comprises a first driving branch, a second driving branch and a third driving branch. The first, second, and third driving branches are parallel RUS branches. The limit branch and the moving platform allow for three-directional rotation; rotation centers can be overlapped; axes of the limit branch are mutually orthogonal, so that the device features partial decoupling of motion.

The invention discloses a method and a system for transmitting scheduling information. A network informs user equipment (UE) of scheduling information in a next time period through air interface signaling; after receiving the scheduling information, the UE detects a physical downlink control channel according to the received scheduling information in the next time period; and air interface signaling may be wireless resource control signaling, medium access control layer signaling or physical downlink control channel signaling. When the method and the system of the invention are used, the UE can know when to be scheduled by the network in advance and thus can detect a physical downlink control channel (PDCCH) at a proper time and selectively monitor the PDCCH to avoid ineffective calculation and energy loss, which are caused by continuous PDCCH detection.

The invention relates to a low-energy-loss six-foot robot which is suitable for long-time non-person working in mountain areas. The low-energy-loss six-foot robot comprises six legs and one body. Each leg is provided with three controllable single-freedom-degree joints relative to the body, the joints are driven in a rope-driving mode. The body comprises a driving wheel array, a driving wheel locking control mechanism array, one or more main driver modules, an annular track module, a function expanding platform and a supporting structure. The main driver modules drive the joints, the number of the main driver modules can be smaller than that of the joints, and accordingly one driver can control moving of a plurality of joints. Various slow step states are used in a sub-step moving mode. Compared with the prior art, the problem that the drivers doing negative work, so that energy loss is caused can be avoided, leg inertia is small, moving is slow, friction is low, when self weight is supported, the joints can be locked under control, supporting moment does not need to be provided, the low-energy-loss six-foot robot can be used in various existing six-foot robot slow step states, rugged terrain adaptability is kept, and meanwhile the problem of high energy loss of the six-foot robot is fundamentally solved.

The invention relates to distributed photovoltaic power optimizers and a control method. When series connection and parallel connection of photovoltaic modules are mismatched due to factors such as partial or intermittent shielding or aging of photovoltaic arrays, the control method is more obvious in effect. The control method is characterized in that after directly attached to photovoltaic modules, the power optimizers are connected through a series connection framework, and the power optimizers in the series connection framework firstly obtain voltage signals and current signals of the photovoltaic modules connected with the power optimizers and directly perform maximum power tracking on the single module, so that the photovoltaic modules output maximum power, and results are transmitted to a central controller. The central controller receives the maximum power calculated by each optimizer, voltage and current conditions of the shielded modules are monitored, and the voltage and current output by all the modules are coordinated through calculation. The control method not only can ensure that each photovoltaic module works at an optimal working point, but also can enable setting of bus voltage to be more flexible and stable, and the system can serve as a direct-current power supply and also be used for an independent or grid-connection photovoltaic system.

A conveying apparatus (1) is composed of several conveying modules (2) each having a controller (40) for control of a motorized roller (6) having a motor (16) incorporated in it. A motor-controlling section (45) installed in the controller (40) operates to sense an article being transported on and along the module (2). An article-state detector (48) included in the motor-controlling section (45) compares the actual number (Pr) of signal pulses indicating the number of rotations of the motor (16) with a standard number (P) of such pulses, when judging whether the article is or is not on the module, without aid of any conventional and discrete prior art sensors.

A load such as an LED and a constant-current source are connected in series with each other between the node of a dc-dc conversion type power supply circuit providing an output voltage and the ground. The constant-current source provides a constant current Io, the magnitude of which can be adjusted. The power supply circuit controls the output voltage such that the voltage drop across the constant-current source serving as a detection voltage becomes equal to a reference voltage. Thus, the load current can be varied within a predetermined range while avoiding the power loss due to an increase in the load current, thereby always permitting efficient operation of the load.

A method and apparatus are provided for processing a hard material, for example a hard biological material such as dental enamel or bone, with optical radiation. A treatment zone of the material is selectively cleaned of ablation products and other dirt to enhance processing efficiency, and a tip through which the optical radiation is applied to the treatment zone of the hard material is spaced slightly from the treatment zone during at least a portion of the time that hydrating fluid is being applied to the zone and / or while air or another gas is applied to the zone to clean the surface thereof.

The present invention relates to an air-conditioning system with full heat recovery comprising a condenser, an evaporator, a compressor and an expansion valve; one side of the condenser is disposed in a position corresponding to an indoor air outlet and an outdoor air inlet; the other side of the condenser is provided with an exhaust vent; and a cooling fan is disposed between the exhaust vent and a cooling air opening. The present air-conditioning system with full heat recovery can be connected with a condensate recycle system. The present invention utilizes low temperature, low humidity indoor exhaust air as cooling air for the evaporative condenser. It makes use of the sensible heat. (temperature difference) of indoor exhaust air as well as the latent heat (humidity difference) of indoor exhaust air, thereby attaining better condensation effects. It also uses the condensate to assist cooling and increases cooling and water saving effects. The present invention can be widely used in the air-conditioning systems in restaurants, hospitals, supermarkets, villas and offices and has wide applications.

The present invention relates to a cover for a recessed light fixture, having a housing composed of heat-tolerant material, and having visible trim ring (12), and a means for retaining said cover to said fixture (10). Light generated by the recessed light fixture will pass through the lens (14), which may be transparent, translucent, or colored. The present invention is sized to fit within the baffle of a preexisting recessed light fixture (15), to which the present invention may be frictionally engaged, and over the outer trim of such a fixture (17), to which the present invention will form an airtight seal through the use of a seal ring (16). The present invention seeks to promote energy efficiency by providing an airtight barrier which inhibits the passage of conditioned (furnace-heated or air conditioner-cooled) air through the recessed light fixture and out of the living space. Energy efficiency is also promoted by encouraging (though not necessitating) conversion from incandescent bulbs to compact fluorescent bulbs. Further, the airtight barrier has the desirable effect of prohibiting the movement of insects through the recessed light fixture and into the living space. The present invention can be easily installed without tools or special skill, and can be easily removed to allow for bulb replacement. It can be manufactured in varying shapes and sizes, including sizes conforming to standard recessed light fixtures having circular openings with 4-inch and 6-inch diameters, and with tapered and non-tapered baffles.

The invention provides an energy feedback method for a hybrid electric vehicle. The method includes the steps that firstly, a braking energy feedback torque value is confirmed according to the current opening degree of a brake pedal and the current vehicle speed, the small value is selected from the braking energy feedback torque value and a torque value corresponding to the maximum charging power of a battery, a braking energy feedback torque required value is obtained, a current work mode of the vehicle is stopped according to the braking energy feedback torque required value, and braking energy feedback is conducted. By the adoption of the scheme, a brake pedal opening degree signal is used, the opening degree of the brake pedal ranges from 0% to 100%, the braking energy feedback torque value is confirmed according to the current braking degree, and compared with the prior art in which only a sliding state and a braking state are available, the method is more accurate. An analog quantity brake pedal signal is adopted in braking energy feedback provided by the scheme, the braking energy feedback torque of an electric generator and the braking energy feedback torque of a drive motor are reasonably distributed according to the current working state of a clutch and the work mode of the whole vehicle, the braking energy feedback efficiency can be improved, the running mileage of the battery is increased, and the purpose of improving fuel economical efficiency is achieved.

A hydraulic pressure control device of a construction machine enabling an increase in operability and working efficiency by suppressing a fluctuation in flow rates occurring before and after the switching of a merging-separating valve, in energy efficiency by accurately determining the switching timing of the merging-separating valve to suppress the pressure energy loss of a pressure compensating valve, and working efficiency in the compound motion of plural hydraulic actuators. When a controller determines that necessary flow rates of first and second hydraulic actuators are less than maximum discharge flow rate of each of first and second variable displacement hydraulic pumps when the first merging-separating valve is in a merging position, the switching of the first merging-separating valve is controlled so that firstly the first merging-separating valve is switched to a separating position and, after the switching is completed, the second merging-separating valve is switched.

The present invention relates to a continuous method and apparatus of functionalizing a carbon nanotube, and more specifically, to a continuous method of functionalizing a carbon nanotube under subcritical water or supercritical water conditions without additional functionalizing processes, comprising: a) continuously feeding the carbon nanotube solution and an oxidizer under a pressure of 50 to 400 atm, respectively or together, and then preheating the mixture of said carbon nanotube solution and said oxidizer; b) functionalizing the carbon nanotube in the preheated said mixture under the subcritical water or the supercritical water condition of to 400 atm; c) cooling down the functionalized product into 0 to 100° C. and depressurizing the functionalized product into 1 to 10 atm; and d) recovering the cooled down and depressurized product.

The invention provides an energy-saving control method and device for an air conditioner as well as the air conditioner, wherein at least two pyroelectric sensors are arranged on the air conditioner. The energy-saving control method comprises the following steps of: detecting whether a room in which the air conditioner is located has a human body signal or not through the at least two pyroelectric sensors; when the at least two pyroelectric sensors detect that the room does not have the human body signal, counting lasting time for keeping the room to be free of people; judging whether the lasting time is greater than or equal to first preset time or not; and when the lasting time is judged to be greater than or equal to the first preset time, controlling the air conditioner to switch to an energy-saving operation state from a current operation state according to an existing working mode of the air conditioner. According to the technical scheme adopted by the invention, the energy-saving control method provided by the invention can effectively realize automatic and intelligent regulation on energy saving of the air conditioner, so that use comfort of the air conditioner is improved.

The invention relates to a fast tracking method of the maximum power point for an independent photovoltaic power generation system. The fast tracking method of the maximum power point comprises the following steps of: pre-locating the voltage of a photovoltaic battery component, and starting a perturbation observation algorithm; collecting a perturbation starting output voltage and current to obtain perturbation starting output power, changing disturbance pulse width modulation duty ratio, collecting a disturbance output voltage and current to obtain disturbance output power, and judging whether the disturbance output power is the same as the power of a disturbance starting point or not; if the disturbance output power is the same as the power of the disturbance starting point, determining to be the maximum power point, stopping the disturbance observation algorithm, and recording, locking and updating the voltage and duty ratio of the disturbance starting point; if the disturbance output power is different from the power of the disturbance starting point, tracking the new maximum power point again after the duty ratio is changed; and obtaining the interval output power, the relative change rate of the power and the relative change precision of temperature according to a time interval cycle, and determining whether the output voltage of the updated disturbance starting point is continuously locked or not. According to the fast tracking method of the maximum power point for the independent photovoltaic power generation system disclosed by the invention, the starting is fast, the operation is convenient and reliable, the intermittent disturbance characteristic exists, the conversion efficiency of the photovoltaic power generation system can be effectively improved, and the power consumption and error probability of the system control can be reduced.

The invention discloses a hip joint boosting device based on parallel mechanisms. The boosting device comprises a waist support assembly, two constraint assemblies and two execution assemblies; each execution assembly comprises a leg clamping sub assembly, a sensor sub assembly, a fixing plate and two driving branch chain sub assemblies, the driving branch chain sub assemblies are connected with the waist support assembly and the corresponding fixing plates and are UPS branch chains which are symmetrically distributed relative to the front and back of the leg of a person, and each sensor sub assembly is connected with the corresponding leg clamping sub assembly and the corresponding constraint assembly. According to the hip joint boosting device based on the parallel mechanisms, by means of the design of the constraint assemblies and the execution assemblies, three-degree-of-freedom rotation of the device can be achieved, it is guaranteed that the rotation center of the device is overlapped with that of hip joints of different patients, and injuries caused by human-machine interference force is effectively avoided; meanwhile, the structure is simple, and use is convenient.

A system for concentrating solar energy comprising a collector consisting of a number of reflective panels, a receiver which absorbs reflected energy, a working fluid which absorbs the energy, a highly transmissive cover and internal colorings or coatings to collect indirect radiation, and a solar tracking system to maintain reflector orientation. Optional photo-voltaic panels could also be used for providing electrical energy and are kept at near ambient temperatures. Under normal conditions, solar energy is concentrated by reflectors on the receiver, which transfers the energy to a working fluid which is then used for either hot water heating, desiccant drying for a solar air conditioner, or as a power source. Additional energy is collected from indirect sources using the greenhouse effect.

The invention discloses a hyperspectral imaging light source system. An illumination box is a closed rectangular solid, wherein the cavity of the illumination box is respectively provided with a line scan camera, an optical splitting system, an object stage of an electric control translation stage, and an object to be detected, an electric control translation stage lead screw, a line source box and a photosensitive diode which are arranged on the object stage; a line source controller, an electric control translation stage controller and a computer are arranged outside the illumination box; and the photosensitive diode senses the light-intensity variation of the line source and inputs feedback signals to the line source controller, and a halide lamp is arranged in the line source box and is connected with the line source controller. The invention does not need to be subject to the conduction through optical fibers, thereby eliminating noises caused by the nonuniform illumination and improving the illumination uniformity and stability. Besides, the invention eliminates the light-intensity variation as a result of the increased service life of the light source and the instability of the external circuit, inhibits the baseline drift phenomenon in the signal acquisition process, improves the utilization ratio of the light source, and can acquire hyperspectral images of high quality and high stability.

The invention discloses a solar automatic tracking system comprising hardware which has a smart structural design with single-axle scaly solar panels (1) and a universal joint bearing seat (5), and the solar automatic tracking system is suitable for a shaft support with multiple pillars, is mounted in complex hilly lands, has down-moved gravity of the support and flexible turning and enables the system to adopt a single-axis tracking system to establish a solar power station in bumpy hilly lands, thereby ensuring that the solar panels always obtain solar radiation energy as much as possible in the hilly lands, enhancing the tracking efficiency, effectively improving the anti-wind capability of the hardware, reducing the material breakage brought by windage resistance and strengthening the security and the adaptability. With a unique shadow elusion system processing function, the system prevents the solar panels on a stand from generating energy degradation because of being sheltered from mutual shadows and enables the solar panels to obtain the greatest energy output, thereby not only improving the solar electrical energy generation efficiency greatly, but also enhancing the adaptability of the solar tracking system and saving the limited resources by saving occupied space about 50 percent compared with the prior solar tracking system.

A power supply degradation determination apparatus which is mounted to the vehicle includes a controller and a DC-DC converter that control execution of a charge phase in which a capacitor capable of accumulating regenerative energy of the vehicle is charged and execution of a discharge phase in which the capacitor is discharged. The controller detects the internal resistance of the capacitor using the difference between the terminal voltage and the open circuit voltage of the capacitor during the execution of the discharge phase and the discharge current thereof, determines whether the internal resistance is a predetermined value or more, and delays the execution start of the discharge phase for a predetermined time when the internal resistance is determined to be the predetermined value or more.

The invention provides an air conditioner air outlet structure and an air conditioner. The air conditioner air outlet structure comprises an air channel provided with at least two air outlets, a fan blade arranged in the air coming direction of the air channel, and at least two air baffles; the at least two air baffles are used for blocking coming air from passing through, movably arranged in the air channel and positioned between the fan blade and the air outlets. As the air baffles are arranged in the air channel between the fan blade and the air outlets, the air baffles can be used for blocking air outputting of at least one air outlet through the movement of the air baffles, the coming air is blown out through other air outlets, the air outlet condition of each air outlet is independently controlled, energy loss, airflow turbulence in the air channel and airflow vortex are effectively avoided, the noise and the vibration of the air conditioner air outlet structure are reduced and the integral performance and the heat exchange effect of the air conditioner are guaranteed.

A control device of a transformer coupling type booster performs switching control of applying ON / OFF switching signals to the respective switching elements and alternately repeating, at a predetermined cycle, a voltage positive polarity period where an inter-terminal voltage of the low-voltage side winding and an inter-terminal voltage of a high-voltage side winding have a positive polarity, and a voltage negative polarity period where those inter-terminal voltages have a negative polarity. Upon performing the foregoing control, added is control of providing a zero voltage period between the voltage positive polarity period and the voltage negative polarity period of the inter-terminal voltage of the low-voltage side winding and the inter-terminal voltage of the high-voltage side winding in order to lower a transformer effective current value. In this case, the zero voltage period is formed between the voltage positive polarity period and the voltage negative polarity period of the inter-terminal voltage of the low-voltage side winding and the inter-terminal voltage of the high-voltage side winding by providing a phase difference between the respective switching signals to be applied to the respective switching elements of the low-voltage side inverter and providing a phase difference between the respective switching signals to be applied to the respective switching elements of the high-voltage side inverter.