16674results about How to "Save electricity" patented technology

A self DC-bias high frequency logic gate is disclosed. The logic gate comprises at least one input terminal and one output terminal for performing Boolean operation on the high frequency input signals. The logic gate is characterized in that each transistor is coupled to an impedance matching network. The impedance matching network comprises a first terminal and a second terminal. Wherein, the first terminal is coupled to a gate of the transistor, and the second terminal is coupled to a drain of the transistor for providing an operation voltage to the transistor. When a gate of an N-type transistor and a gate of a P-type transistor are coupled with each other, and a drain of the N-type transistor and a drain of the P-type transistor are also coupled with each other, a common impedance matching network is shared with both the N-type transistor and the P-type transistor.

A luminaire diagnostic system including a lamp and a photocontroller for automatically turning the lamp on during periods of darkness and off during periods of daylight wherein the photocontroller includes detector circuitry for detecting the load drawn by the lamp, a microprocessor, responsive to detected load and programmed to predict a condition of the lamp such as a cycling event and/or lamp out condition based on the load drawn by the lamp, and an indicator such as a visual alarm for indicating the occurrence of the condition detected and/or a transmitter for transmitting the detected condition to a remote location. Also, upon cycle detection, the lamp may be turned off to prevent damage to fixture components.

A power saving and security enabling method, system, computer program product, and program storage device are disclosed. Wireless communication technology transceivers in a multi-mode wireless communication device are activated and deactivated based on a location detected by a location-based service system. A set of wireless network connection profiles control activation and deactivation of the wireless communication technology transceivers. Reduction in power consumption and improvement in security is achieved by only activating wireless communication technology transceivers when need and deactivating any other transceivers which are not currently connected to a wireless communication network.

The invention provides a method of estimating the position of a device, the method comprising: providing a database of location specific geographical descriptive data; obtaining location data relating to the position of the device; retrieving geographical descriptive data specific to an indoor region from the said database, the indoor region being selected dependent on the location data; and subsequently estimating the position of the device taking into account the retrieved data. The method can be used with existing or new positioning systems to improve the execution of the said positioning systems, particularly when the positioning system is being used indoors.

A photocontroller diagnostic system including a photocontroller with a sensor for determining the presence of daylight, and a relay, responsive to the sensor, for de-energizing a lamp during periods of daylight. The diagnostic subsystem is responsive to the photocontroller, and includes a microprocessor programmed to verify the operability of the relay and/or the sensor and programmed to transmit a signal representative of the operability of the relay or the sensor.

This invention relates to an energy-saving central air conditioning system, which comprises cold and hot water source host, terminal device and the control system to adjust and monitor. The said control system processes according to the large amount of data collected to get the needed optimized status operation orders. It real-time adjusts the each part load of the system into cold storage or cold discharging modes and the said host works under the mode of cold storage and stops working in cold discharging mode.

A variable frequency magnetic suspension compressional expansion assembly comprises a compressor, an evaporator and an expansion machine that are connected. A magnetic suspension bearing centrifugal compressor is directly connected with a radial flow type expansion machine via a shaft, the shaft is suspended on a left radial magnetic suspension bearing, a right radial magnetic suspension bearing and an axial magnetic suspension bearing, a variable frequency motor is provided between the left radial magnetic suspension bearing and the right radial magnetic suspension bearing and used for driving the centrifugal compressor; and the radial flow type expansion machine comprises an air inlet chamber and an air outlet pipe, nozzles and impellers are provided between the air inlet chamber and air outlet pipe and passed through the air inlet chamber and air outlet pipe, and the impellers are fixedly connected on the shaft. The power from expansion is transmitted to the compressor, and the refrigerant after expansion is entered into the evaporator to carry out evaporative cooling; after being evaporated in the evaporator, the refrigerant is sucked by the compressor to carry out circulatory flow; and the magnetic suspension bearings assure that the shaft does not contact with the bearings when the assembly operates, so that lubrication via lubricating oil is not needed.

An electromagnetic lens driving device includes a casing, a lens module, a positioning structure, and an electromagnetic driving module. The lens module is provided in a receiving space defined in the casing. The positioning structure, which is connected between the lens module and the casing, is configured to limit the lens module within the receiving space and generate a frictional force. The electromagnetic driving module is provided in the receiving space and corresponds in position to the lens module. When supplied with electricity, the electromagnetic driving module generates a magnetic force that drives the lens module to move along a central axis. Once the electricity is cut off, the lens module is fixed in position and prevented from moving freely by the frictional force of the positioning structure; hence, the electromagnetic lens driving features economical use of electricity.

The invention relates to the technical field of electric pressure cookers and discloses an electric pressure cooker with the air exhaust function. The electric pressure cooker comprises a cooker body, an outer pot, an inner pot, a cooker cover, a control circuit and operating keys. The outer pot is supported in the cooker body. The cooker cover comprises an outer cover body and an inner cover body. The inner cover body is arranged in the outer cover body. The outer cover body is rotationally buckled on the outer pot. The inner cover body is buckled on the inner pot. A sealing ring for sealing the inner pot and the inner cover body when the interior of the cooker is in a negative pressure state is arranged between the inner cover body and the inner pot. An air exhaust device for exhausting air in the inner pot is arranged in the cooker body. An internal temperature detection device for detecting the temperature of air in the inner pot is arranged on the inner cover body. An external temperature detection device for detecting the external environment temperature is arranged on the cooker body. When food left in the cooker needs to be kept fresh, the air exhaust device is started, residual air in the cooker is exhausted, the interior of the cooker is in a sealed state through the sealing ring, external air cannot enter the cooker, and therefore the purpose of long-time freshness keeping of the left food is achieved, a user does not need to pour out the left food to keep the left food fresh in another way, and use of the user is greatly facilitated.

The invention discloses a method for controlling an intelligent terminal device and a system for controlling the intelligent terminal device. The method for controlling the intelligent terminal device and the system for controlling the intelligent terminal device are used for solving the problems that a method for manual operation is complex and a switch, a plug and an interface of an earphone are easy to abrade and age due to frequent mechanical operation are solved. The method for controlling the intelligent device terminal comprises the steps that a wearing state of a telephone receiver of the earphone connected with the intelligent terminal device is detected, and the wearing state comprises a put-on state and a take-off state; according to the wearing state of the telephone receiver, the operating state used in the intelligent terminal device and/or the work pattern of the intelligent terminal device are/is controlled. Manual operation is not needed for control, so that operation in the process of change of the wearing state of the earphone is simplified, the service life of the earphone mechanical portion is prolonged, and electric energy of the intelligent terminal device is saved.

The present invention discloses an energy saving type touch-controlled liquid crystal display device. The energy saving type touch-controlled liquid crystal display device has a liquid crystal panel with a touch-sensing function and a piezoelectric film. The piezoelectric film senses the pressure applied to the liquid crystal panel and generates electric power. The electric power is then stored in a battery module for relative electric components to utilize, and thereby accomplishes an object of energy saving.

A multifunction plant cultivation LED able to control the growing speed of plants is to properly select the composition material and proportion of LED to enable the LED to emit light with different wavelengths and colors. Then, specific wavelengths beneficial to the growth of plants and able to offer best bright for human naked eyes are selected from light spectrums to make up a LED light source with multiple wavelengths for irradiating landscaping plants and flowers and controlling their growing speed as well as for seeing, enjoying and for lighting, versatile in use, having high efficiency and saving electricity.

The invention discloses a baking type atomization device which comprises a shell, a baking chamber arranged in the shell, a heating unit, an air inlet and an air outlet. The baking chamber is sleeved with the heating unit. The baking type atomization device further comprises an air guide ring, the air guide ring is provided with a cavity suitable for containing the baking chamber, a first gap communicated with the air inlet is arranged between the outer wall of the air guide ring and the inner wall of the shell, and a second gap for being communicating the first gap and the baking chamber is arranged between the heating unit and the inner wall of the air guide ring. According to the baking type atomization device and an aerosol inhalation device, the double-heating mode of circumferential type heating and thermal current heating is used for heating the baking chamber and preheating air in the second gap, so that the temperature in the baking chamber rises rapidly, the baking time is shortened greatly, therefore, rapid heating is achieved, electric energy is saved effectively, and the heating efficiency is improved. The invention further provides the aerosol inhalation device with the baking type atomization device.

The invention relates to an indoor temperature adjusting method based on user human body temperature change. According to the indoor temperature adjusting method, the indoor temperature is adjusted through an air conditioner; a user wears a wearable body temperature analysis device; the wearable body temperature analysis device can collect the human body skin temperature, analyze the cold and hot sensing degree of the human body on the indoor environment temperature and send an analysis result to an air conditioner temperature control module; the air conditioner temperature control module can automatically adjust the set temperature of the air conditioner according to the cold and hot sensing degree of the human body and the indoor environment temperature, and therefore the indoor environment temperature can be adjusted automatically. Accordingly, the human body can always be at a comfortable temperature, so the possibility that the user gets ill under the condition of being too cold or too hot is reduced; in addition, the air conditioner can operate in a low-power-consumption state for a long time, and the purpose of energy conservation is achieved. The method solves the problems that the set temperature of an existing air conditioner needs to be adjusted manually, the power consumption is high and the user will get ill due to the fact that the user is in the too cold or too hot environment.

The invention relates to an automatic quick plug connection draw type electrical car cell box. The cell box comprises a cell unit formed by connected single cells, an internal box, an external box, a front door and a full-pull load slide, wherein the cell unit and the front door are fastened together tightly by a fastener, the cell box carried by the internal box is accommodated in the external box. With the help of the full-pull load slide arranged between the internal box and the external box, the cell unit arranged inside the internal box can be pulled out of the external box easily to supply stable electrical power through automatic quick plug joint mechanisms arranged on the back parts of the internal box and the external box, thereby realizing the quick assembly and disassembly of the whole cell unit, solving the problem of safety use of lithium batteries, facilitating the maintenance and expanding the driving range.

A respiration nozzle has a hollow body with a front and a rear, at least one outlet made of a resilient membrane, and two inflatable nasal tubes. The at least one outlet is formed on the front of the hollow body and has a cross-shaped slit valve defined in the membrane to temporarily open and release air from the respiration nozzle. The two inflatable nasal tubes are formed on the rear of the hollow body and are enabled to inflate when air is pumped into the respiration nozzle. Therefore, air pressure inside the respiration nozzle is kept at a positive pressure to minimize consumption of electricity when pumping the air. Meanwhile, the inflatable nasal tubes gently and evenly match the nasal cavities without causing any uncomfortable feeling to the wearer.

The invention discloses a three-layer coextrusion heat shrinkage resin film, a production method and an application method. The-three layer coextrusion heat shrinkage resin film is produced by taking PE(LDPE, HPPE, LLDPE, mPE), EVA, PP, PA and EVOH resins as the main materials which are matched with a functional master batch and adopting a production method of one-step huffing. The largest transverse and longitudinal shrinking rates of the product can reach 60 percent and 85 percent; the largest shrinking force of the product can reach 2.0N/cm. The shrinking rate and the shrinking force of the product can be controlled and adjusted by controlling various technical parameters to lead a package to be firm and endurable. The packaged objects are pertinently led to reach the anti-rust, anti static, illumination-resistance, anti-aging, anti-puncturing, anti-low-temperature, anti-isolation, anti-bacteria and anti-degradation effects and the like by adjusting the material composition and mixture ratio of each layer. The three-layer coextrusion heat shrinkage resin film is used for replacing the traditional paper box wrappage to reduce the packaging cost. The mechanical properties are good, the pertinence is strong, the materials are saved; when the three-layer coextrusion heat shrinkage resin film is used, the shrinking temperature is low, the power is saved and the packaging cost is saved, thus effectively reducing the production cost and having extremely high application value.

The invention relates to an underground central pump room draining automatic monitoring system, which comprises a PLC control cabinet, a remote expanding module, a site data bus, a contact screen, an analog quantity and switching value input module, various monitoring probes, a travel switch, a level instrument and an executable section. A monitoring net adopts a form of combining a PROFIBUS DP site data bus and an industrial ethernet. A monitoring method for the system comprises: (1) monitoring the absorbing well water level; (2) monitoring the state for starting a high pressure switching cabinet by a water pump; (3) judging the valve levels of a gate valve, a ball valve of a water jet pumping device and a water distribution gate; (4) judging the valve levels of a vacuum pump ball valve; (5) measuring each equipment temperature measuring point; (6) measuring signals of a pressure sensor and a negative pressure sensor; (7) judging system faults; (8) automatically controlling the start-stop and operation numbers of the water pumps according to the absorbing well water level conditions; and (9) setting power supply peak avoiding time periods, and automatically selecting starting time and numbers of a pump. The system improves the system working reliability, reduces the equipment fault rate, and adopts a three-stage monitoring structure for a draining system.