139results about How to "High energy saving rate" patented technology

The invention provides a coaxial coupling driving system of double planetary gear systems and double motors. The coaxial coupling driving system comprises the double motors, the double planetary gear systems and the like. Each planetary gear system comprises a gear ring, a planetary carrier and a sun wheel. A rotor of the first motor is connected with the gear ring of the first planetary gear system. A rotor of the second motor is connected with the sun wheel of the first planetary gear system and the sun wheel of the second planetary gear system through synchronizers correspondingly. The planetary carriers of the two planetary gear systems are connected with an output shaft. The gear ring of the second planetary gear system is connected with a shell. The output shaft is connected with the input end of a deceleration differential. The output end of the deceleration differential is connected with two wheels through two half shafts. A motor control device is connected with an energy storage device and conducts electric power transmission. The motor control device is further connected with the first motor and the second motor and outputs a control command. The coaxial coupling driving system has the characteristic that the vehicle dynamic property, the energy consumption economical efficiency, the geographical adaptability and the application adaptability are better.

The invention discloses a rail transit power supply system twin coil access medium-voltage energy feed system and method. The system comprises a rectification transformer, a twin coil access energy feed device, and a rectification unit. The twin coil access energy feed device comprises two energy feed branches arranged in parallel. Each energy feed branch comprises an AC-side low-voltage breaker, an isolation transformer, an inverter, and a DC-side contactor which are successively arranged in series. The method comprises steps that current is acquired from a medium-voltage AC power grid and is supplied to a DC traction network by means of the rectification transformer and the rectification unit when a train is started; and the twin coil access energy feed device is started and train braking energy is fed back to the medium-voltage AC power grid via the twin coil access energy feed device and the rectification transformer when the train is braked. The system may achieve energy conservation and stable DC bus voltage, is good in flexibility, small in size, high in combination with a conventional system, high in power factor, low in harmonic injected into an AC side, and good in universality.

The present invention relates to a cast-in-place hard polyurethane composite decorative plate exterior heat-insulating system and its construction process. It is characterized by that said process includes the following steps: utilizing a special composition technique to make polystyrene or hard polyurethane foam plate and fluorocarbon aluminium alloy plate or fluorocarbon inorganic plate into a kind of misplaced heat-insulating decorative plate; fixing said heat-insulating decorative plate on wall body base layer in the field by adopting three-dimensinal positioning method and invisible plastic expansion stay bolt, and forming a cavity between said heat-insulating decorative plate and wall body base layer, pouring hard polyurethane foam into said cavity so as to form adhesive heat-insulating layer; finally caulking the periphery of said misplaced composite decorative plate.

The invention discloses an oil field control system which comprises a central control station and a plurality of underground submersible servodrive control subsystems communicating with the central control station, wherein each underground submersible servodrive control subsystem is connected with a production module in the well where the underground submersible servodrive control subsystem is, and the underground submersible servodrive control subsystem transmits the underground condition to the central control station according to the command and controlling parameters received from the central control station or a man machine interaction interface of the subsystem when controlling the operation of the production module. Through the invention, the operation condition of the submersible servodrive system in each well in the whole oil field can be accurately monitored and reasonably controlled by an operator, thus being favorable for improving the production efficiency and saving the operating cost.

The invention discloses a mobile unpowered energy-saving food preservation box which comprises a box body, a gas cycle preservation system, a remote data monitoring and global positioning system and a solar power generation electric power storage system; the cooling capacity circulating, nano purification, enzymatic inactivation dormancy preservation technology is adopted, the energy-saving rate is high, the solar energy is used for generating and storing the power, so that the food preservation box has the function of remote movement, unpowered self-survival long-term preservation. The invention further discloses a preservation method of the mobile unpowered energy-saving food preservation box, the method can dynamically monitor, adjust and control the preservation parameter at real time according to the movement longitude and latitude of the food by pre-cooling treatment and cooling capacity nano purification preservation, the food is guaranteed at the best preservation state. The unpowered cold chain preservation of the perishable fresh food for long distance movement can be achieved through the preservation box and the preservation method and the commercial value is great.

The invention discloses a method for calculating architectural energy saving rate based on a human body thermal adaptive model. The method comprises the following steps of: obtaining annual outdoor meteorological data of a building proposed site; calculating the mean natural room temperature of a building; drawing a thermal neutral temperature curve according to the thermal adaptive model; calculating a standard energy consumption; calculating an architectural energy consumption; calculating an architectural energy saving rate; establishing a standard model; calculating the energy saving rate of the standard model; judging the architectural energy saving rate; adjusting architectural parameters. According to the method, the shortcomings that the indoor comfortable temperature related to current architectural energy saving design standards in China is based on a PMV steady-state model and the energy saving rate of the building is not perfectly improved through the narrow comfortable area of the model according to the building design are overcome; meanwhile, the shortcoming that the number of energy saving goals achieved through the building design and the number of the energy saving goals achieved through equipment of one building cannot be accurately determined is overcome; the method is suitable for guiding the thermal performance design of the buildings and enclosure structures.

The invention provides a multi-purpose adaptive second-gear multimode stepless speed changing electric transmission integrated power system. The multi-purpose adaptive second-gear multimode stepless speed changing electric transmission integrated power system comprises a first motor and the like; a planetary gear train comprises a gear ring, a planet carrier and a sun gear; the rotor of the first motor is connected with the gear ring of the planetary gear train; the rotor of the second motor is connected with the sun gear of the planetary gear train and the input end of a transmission chain, respectively; a gear shifting device is connected with the input end of a speed reducing differential mechanism and control on power transfer from the planet carrier of the planetary gear train and the output end of the transmission chain to the speed reducing differential mechanism is realized; the output end of the speed reducing differential mechanism is connected with two wheels by use of two half shafts; a motor control device is connected with an energy storage device to transfer electric energy; the motor control device is further connected with the first motor and the second motor, respectively, and outputs control instructions. The multi-purpose adaptive second-gear multimode stepless speed changing electric transmission integrated power system has the characteristics of better technical inheritance to the existing vehicles, whole vehicle dynamic property, fuel economy and low emission.

Disclosed is a heat energy fee-charging network system in a public building, which belongs to the building central heating household heat metering technique field. The system comprises an intelligent control energy-saving valve, a heat energy master gauge and a computer management platform (6), the intelligent control energy-saving valve includes an electric three-way valve (9) and an intelligent controller (3), the electric three-way valve (9) is arranged at the inlet of a water inlet pipe (2) of each group of radiators (5) in the public building, the electric three-way valve (9) is connected with the intelligent controller (3), and the heat energy master gauge is connected with the computer management platform (6). The system is applied to various types of central heating systems (administrative office buildings, schools, apartments, etc.) in the existing public building; and the system has the advantages of balanced heat in buildings, solving the heat maladjustment problem (upper hot and lower cold), and energy saving; being capable of stating the valve adjustment time according to the work and rest time (including weekends and holidays) and realizing energy saving; and high reliability and high energy saving rate.

The invention discloses a LoRa wireless intelligent street lamp illumination control system, and the system employs the LoRa wireless technology based on 433/868/915MHz bands, the cloud technology and the big database technology for remote measurement and control, can achieve the independent control of each of street lamps with 1-4 heads, can carry out the electric energy metering and electricity prepayment control, carries out the grouped control of street lamps of different roads, can perform energy-saving operation for environment sensing, and carries out the fault detection, fault positioning and alarm in real time. The system can be widely used for an expressway, an ordinary highway and a road. The system can precisely achieve the control of the switching and light adjustment of each lamp, and also can carry out the grouped control. The system can intelligently carry out the turning-on, turning-off and light adjustment operations under the conditions of default parameters, and has the functions of fault alarm, fault positioning, management information pushing, environment sensing, electric energy statistics, electric charge prepayment, local equipment monitoring, remote equipment monitoring, and mobile equipment monitoring.

The invention discloses a communication machine room temperature energy-saving control method based on equipment life factors. The energy-saving control method comprises the following steps of: equipment temperature collection: respectively collecting the temperature of various equipment in the machine room at a plurality of temperature collection time points in a current collection control period; life factor calculation: calculating the life factors of the various equipment in the machine room according to the collected temperature values and a designed life coefficient, and calculating out the life factor of the machine room according to the life factors of the equipment and a weighting coefficient; and machine room temperature control: comparing the machine room life factor with at least one preset life factor threshold value, judging whether a preset refrigeration condition is met by the machine room factor according to the comparison result, and if so, starting corresponding refrigeration equipment to refrigerate in a next collection control period. The invention also discloses a corresponding communication machine room temperature energy-saving control system based on the equipment life factor. The energy-saving control method and the energy-saving control system have the advantages of great improvement the energy-saving rate of the temperature of the communication equipment, accurate energy-saving control, elongation of the equipment service life and reduction of the equipment failure rate.

The invention belongs to the technical field of energy management, and discloses a railway station building construction equipment monitoring and energy management system, a program and a storage medium. The railway station building construction equipment monitoring and energy management system comprises a construction equipment monitoring and energy management system host, a central air conditioner energy-saving control subsystem, a fresh air system, an intelligent illumination control subsystem, an electromechanical equipment acquisition control subsystem, an environmental data acquisition subsystem, an energy data acquisition subsystem, a regional equipment control cabinet, various sensors and acquisition devices. The construction equipment monitoring and energy management system host comprises a central air conditioner acquisition control module, a fresh air system acquisition control module, an intelligent illumination acquisition control module, an electromechanical equipment acquisition control module, an environment data acquisition module, an energy data acquisition module, a passenger station brain data interface module and other system data modules. The system has the functions of autonomous learning and promotion, and the innovative technical level and economic indexes reach the domestic leading level.

A submersible servodrive system comprises a pump. The system is characterized in that the pump is connected with a servo motor system by a protector; a ground control device is connected with ground power supply by a cable; the cable is connected with the servo motor system; the ground power supply is controlled by the ground control device to supply power to a servo motor and the pump; the servo motor system comprises the servo motor and a servo controller; a motor shaft of the servo motor is provided with a position detection device which outputs the position signal detected by the position detection device to the servo controller; the servo controller controls the servo motor to run; and the position detection device is fixed on the servo controller by a sealing device. The system has high power factor, high energy saving rate and high flexibility, further saves power, can realize flexible production and reduces the operation cost. When being started, a pumping unit can provide large torque, combine with soft start and reduce the power of a matching motor of the pumping unit.

The invention provides a PTC semiconductor electric boiler and a heating system. The PTC semiconductor electric boiler is provided with a boiler shell, a boiler heating portion located in the boiler shell and an electric control portion located in the boiler shell and used for controlling the boiler heating portion. The boiler heating portion comprises a main pipe water feeding bar, water feeding connection pipes, PTC semiconductor heating components, water discharging connection pipes and a main pipe water discharging bar. The water feeding connection pipes communicate with the pipe wall of the main pipe water feeding bar, and the water discharging connection pipes communicate with the pipe wall of the main pipe water discharging bar. The PTC semiconductor heating components comprise water storage pipes and PTC semiconductor heating pipes, and the water storage pipes sleeve the interior of the PTC semiconductor heating pipes. The PTC semiconductor heating pipes are adopted for heating water in the PTC semiconductor electric boiler, and the water can be thoroughly separated from the PTC semiconductor heating pipes, so that water electricity separation is achieved, the problem of safety hazards is avoided, and safety performance is high.

The invention relates to a novel solid adsorption dehumidification device belonging to the field of heat energy utilization and air conditioner refrigeration. The novel solid adsorption dehumidification device comprises a vertical air duct, a dehumidification base, a heat source and a cold source, wherein the dehumidification base, the heat source and the cold source are arranged in the vertical air duct; the dehumidification base comprises a plurality of longitudinally arrayed finned pipes, a plurality of flat plate type fins and silica gel adsorbates, wherein the plurality of flat plate type fins longitudinally contact with the finned pipes, and the silica gel adsorbates are bonded on the surface of the dehumidification base; the heat source is connected with the dehumidification base to form a hot-water loop; the cold source is connected with the dehumidification base to form a cold water loop; and the hot-water loop and the cold water loop alternately work through the on-off switching of a valve. The invention has the advantages of high heat transfer efficiency, simple structure, easy marketization and high energy-saving rate and can use the solar energy and the geothermal energy; and in addition, natural gas extraction is adopted in a regenerating process, therefore power is saved.

The invention discloses a permanent magnet speed regulation system of power plant auxiliary equipment. The system comprises a prime mover, a permanent magnet speed regulation module, the power plant auxiliary equipment, a first non-contact velocity transducer, a second non-contact velocity transducer, an auxiliary equipment state monitoring sensor, an air gap adjusting mechanism, a TMS320F28335 intelligent controller, a GPRS wireless communication module, and an HMI touch display screen. According to the system, based on the permanent magnet speed regulation theory with variable rotating speed and torque, the gap between a conductor rotor and a permanent magnet rotor of the permanent magnet speed regulation module is changed through the air gap adjusting mechanism with the combination of the modern intelligent controller and the non-contact speed detection sensor technology, and the non-contact power plant auxiliary equipment permanent magnet speed regulation system is realized. According to the system, the effects of energy saving and consumption reduction are good, the stalling accidents of auxiliary equipment units of the power plant caused by insufficient low-voltage ride-through capability of a frequency converter can be avoided, and system vibration, noise, and electromagnetic harmonic pollution can be reduced to a certain extent.

The invention relates to the technical field of urban rail transit regenerative braking energy utilization, and discloses a ground battery and super capacitor hybrid energy storage system and a management method thereof. The method is characterized by comprising the following steps of 1, adopting HESS for urban rail transit traction network energy flow, 2, putting forward a control method based ona parallel double-loop structure, 3, in the control method, considering giving of a voltage outer loop instruction value in the charging process, 4, braking the train, and 5, starting an energy storage element. The invention discloses a ground battery and super capacitor hybrid energy storage system and a management method thereof. Based on the defects of an existing typical urban rail ground hybrid energy storage device control structure, a control method based on a parallel double-loop structure is put forward, starting of braking resistance and air braking can be effectively reduced, and therefore energy loss and brake shoe loss are reduced, and the energy-saving rate of an energy storage device is increased.

The invention relates to a wind and light complementation integration base station, which comprises a wind power generation system, a solar energy power generation system, a container base station box body, a lightning rod, a foundation seat earth anchor and a thermal-insulation trim, wherein the container base station box body is arranged on the foundation seat earth anchor; the solar energy power generation system and the lighting rod are installed above the container base station box body; the thermal-insulation trim is arranged on the inner side of the container base station box body and is used for the thermal insulation; and the wind power generation system is installed behind the container base station box body and is connected with the container base station box body by a diagonal member. Compared with the prior art, the wind and light complementation integration base station disclosed by the invention is characterized in that the solar energy and the wind energy are comprehensively utilized, dependency on the mains supply is reduced, and the wind and light complementation integration base station has the advantages of energy saving, emission reduction and high integration level, is compact and reliable and is installed in a modularization mode.

A submersible servodrive system comprises a pump and a servo motor system connected with the pump. The system is characterized in that a ground control device is connected with ground power supply by a cable; the cable is connected with the servo motor system; the ground power supply is controlled by the ground control device to supply power to a servo motor and the pump; the servo motor system comprises the servo motor and a servo controller; a motor shaft of the servo motor is provided with a photoelectric coder at the tail; the head of the motor shaft with the photoelectric coder is sealed and stretches into a shell of the servo controller; the photoelectric coder outputs the detected position signal to the servo controller; and the servo controller controls the servo motor to run. The system has high power factor, high energy saving rate and high flexibility, further saves power, can realize flexible production and reduces the operation cost. When being started, a pumping unit can provide large torque, combine with soft start and reduce the power of a matching motor of the pumping unit.