6006results about How to "Good energy saving effect" patented technology

In an electromagnetic switching device including a cylindrical part made of a magnetic material with a closed bottom for housing a movable iron core having a movable contact and so constructed as to render the movable contact movable toward and away from a fixed contact, a joint member made of a metallic material with an insertion hole formed substantially in the center thereof for movably receiving a movable shaft fixedly attached to the movable iron core, and a metal plate made of a non-magnetic material with a hole formed substantially in the center thereof with the inner diameter substantially the same as the inner diameter of the cylindrical part, the cylindrical part and the joint member are air-tightly jointed to each other with the metal plate provided therebetween, and the movable iron core is housed in the cylindrical part with a clearance defined between the movable iron core and the joint member corresponding to a required stroke within which the movable contact contacts the fixed contact. This arrangement provides improvement in magnetic efficiency of electromagnet of the device. Accordingly, improved energy saving performance is accomplished as compared with a case of a conventional electromagnetic switching device.

The invention discloses an air conditioner for controlling the thermal comfort feeling of a human body and a control method. The method comprises the following steps of: acquiring relevant parameters of the comfort level of the human body; according to the relevant parameters of the comfort level of the human body and in accordance with a preset PMV (Predicted Mean Vote) formula, acquiring a corresponding computed result of the thermal comfort feeling of the human body; according to the computed result, acquiring an optimal control strategy; and according to the optimal control strategy, controlling a relevant operating mode of the air conditioner so as to realize comfort control for the air conditioner. The invention has the advantages that the need for thermal comfort of the human body is met, simultaneously different indoor environmental parameters are selected for combination according to the activity level and the wearing condition of a person, and the operating energy consumption of the air conditioner is least, so that the energy-saving effect of the air conditioner is improved; and the operating method is simple and is easy to control.

The invention discloses a central air conditioner intelligent control system based on a wireless sensor network and a method, and belongs to the technical field of central air conditioner control. The central air conditioner intelligent control system comprises an intelligent information management center, wireless communication devices, a central air conditioner information monitoring and control module, a room information monitoring and control module and the like. The invention adopts the method that the central air conditioner intelligent control system is used to monitor information, build a data base, calculate current load of the system, and realize advance, accurate and optimized control of a central air conditioner system by combining a short-term loading forecasting method based on similar dates and fuzzy control technology, as well as taking the temperature variation of supply/return chilled/cooling water of a central air conditioner as the manipulated variable. The central air conditioner intelligent control system has the characteristics of great communication capacity, guaranteed communication quality, powerful network functions, wide monitoring range and extensive control quantity of the central air conditioner system, optimized control, high control accuracy, good energy saving effect and the like, and can be widely used in energy-saving optimizing control of various buildings, and is particularly suitable for energy-saving optimizing control of central air conditioners of intelligent buildings.

The invention provides a control scheme of a VAV (variable air volume) air-conditioning system. A neural network predictive control method is used for a tail end VAV-BOX and an air-conditioning unit, thus the hysteresis characteristic of a VAV system can be overcome, the control accuracy is improved, the resonance phenomena of an actuating mechanism can be greatly reduced, the energy-saving effect is improved by above 13%, and the control parameter tuning problem in the project is solved. A pressure independent cascade stage predictive control method is used for the tail end VAV-BOX, thus thecontrol accuracy can also be improved. The air-conditioning unit is provided with four control loops and can automatically select a static pressure control or total air volume control policy with adjustable setting static pressure by using an all-condition integrated control technology, thus the predictive control on a fan can be realized; the primary air volume of all the tail end VAV-BOXes can be detected and the air supply temperature can be adjusted according to the operation condition, thus the problem of too low temperature in partial air-conditioning area in the lowest fresh air operation is solved; the cascade stage predictive control method is adopted for a fresh air ratio control loop, thus the accurate control on the fresh air ratio can be realized and the energy-saving level can be further improved.

The invention discloses an electric pressure cooker achieving non-self-reset pressure relief. The electric pressure cooker achieving non-self-reset pressure relief structurally comprises an electric pressure cooker body, a housing, a base, an inner groove, a remote wifi receiver, a variable-frequency controller, a battery plate, a heat insulation plate, a heating plate, a temperature sensor, an aluminum alloy panel, an inner container, a protective cover and an air escape valve, wherein the housing is arranged on the electric pressure cooker body, the base is arranged below the housing, the inner groove is formed in the surface of the base, the inner groove is fixedly connected with the housing through the base, and the remote wifi receiver is arranged in the inner groove. By arranging theremote wifi receiver, the variable-frequency controller and the battery plate, the heating plate behind the heat insulation plate can be remotely opened, the movable plate can be opened by utilizingthe impact force of pressure and arranging the movable plate on the surface of the air escape valve under the situation of too high air pressure, the heat insulation effect of an inner container coreis ensured by arranging a vacuum interlayer with medical stones, and the electric pressure cooker is simple in structure and easy to achieve.

The invention relates to a heavy oil lightening method and technique. The method comprises steps as follows: raw oil is introduced into a thermal cracking reactor through a feed system, and mixed with a high-temperature solid heat carrier from a combustion (gasifying) reactor, so that the raw oil is subjected to fluidizing heat exchange with the solid heat carrier and carries out thermal cracking reaction on the surface of the solid heat carrier; the cracking gas generated by the thermal cracking reaction and a light component product are subjected to steam stripping by fluidizing medium gas and enter a subsequent absorption and stabilization system and a purification and separation system, heavy coke (petroleum coke) is attached to the surface of the solid heat carrier and enters the combustion (gasifying) reactor via a material returning valve, and an oxidizing (gasifying) and fluidizing gas is introduced to realize combustion (gasifying) reaction in the fluidization elevation process of the petroleum coke; and after the reaction product (fume or gasified gas) and the solid heat carrier are separated by a gas-solid separator, the fume (gasified gas) is led into a waste heat recovery system and a gas purification system, the high-temperature solid heat carrier is distributed by a distribution valve and respectively enters the thermal cracking reactor and the combustion (gasifying) reactor for cyclic use, and the collected fly ash can be used after further processing, thereby complete high-value conversion and use of the heavy oil.

The invention belongs to the technical field of street lamp illumination, and in particular mainly relates to a street lamp energy-saving and managing system based on internet of things. The system mainly consists of a main monitoring center, a remote terminal unit (RTU) and wireless sensor nodes, wherein the wireless sensor node which is responsible for detecting and controlling single lamp street to operate and executing a lamping switching-on and switching-off operation by receiving an instruction sent by the RTU is arranged on each street lamp, the wireless sensor nodes are connected with the RTU through a GPRS (General Packet Radio Service) module, and the RTU arranged at a transformer workstation is respectively connected with the main monitoring center, a server and a display device through Internet. The street lamp energy-saving and managing system disclosed by the invention can realize illumination as required, high efficiency and energy saving and fine management, solves the problems generally existing in the current street lamp monitoring management system and has the advantages of wide application range and suitability for popularization.

An energy-saving control device of air-conditioning based on vision of omnibearing computer is prepared for utilizing an omnibearing vision transducer to obtain overall view video image of indoor, identifying out number of person in room by microprocessor based on identification of indoor omnibearing video image and carrying out duty ration control on outdoor unit of air-conditioning according number of person in room for realizing to supply air according to requirement.

The invention relates to a system for intelligently monitoring and controlling crop pests and diseases. The system is characterized by comprising a monitoring computer and a pesticide spraying device which is arranged in a crop growing place, wherein the monitoring computer drives the pesticide spraying device which is connected with the monitoring computer; a time controller and a pesticide spraying selective driving module are arranged in the monitoring computer; and the time controller controls and starts a corresponding spray head of the pesticide spraying device through the pesticide spraying selective driving module. The system has the following advantages that: 1, intelligentization is realized, the degree of automation is high, the control modes are diversified, the control is performed in time, and the using effect is good; 2, the solar energy is used as a power supply of monitoring equipment, so that the energy-saving effect is good; 3, the monitoring equipment not only can automatically control the water supply or the pesticide spraying of cultivated crops, but also has a multi-aspect management and control ability of controlling pests and diseases of the crops in different areas of the same place; and 4, the health condition of the crops is monitored in real time by using a monitoring probe, so that the crop pests and diseases are pre-warned in time and are controlled appropriately. Therefore, the system is not only favorable for ensuring the growth of the crops and the production bumper harvest of agriculture, forestry and tea industry, but also can greatly reduce medicament waste and pesticide pollution.

An apparatus and method for displaying the status of a current display power management signaling (DPMS) mode in a display device uses an on-screen display (OSD) circuit. The current DPMS mode is determined based on an input status of video sync signals and the connection of a signal cable. The current DPMS mode status data is stored in an internal memory of a microcomputer. The OSD circuit is driven using an OSD drive signal output from the microcomputer, so that a message indicative of the stored status data can be momentarily displayed on the display device. In a DPMS mode, any front panel key acts as a program interrupt for DPMS mode operation, which, upon activation, initiates a sequence whereby the DPMS mode is set to normal, horizontal and vertical sync signals are generated, the stored DPMS mode status data is read, and an OSD drive signal is generated. After a time sufficient for user recognition of the current DPMS mode, the OSD drive signal is discontinued and the DPMS mode is reset.

The invention discloses a linkage energy-saving control system for an air conditioning system. An air and water linkage intelligent controller automatically adjusts an air and water linkage energy-saving control device according to working condition parameters. A cooling water pump and chilled water pump intelligent controller automatically adjusts the operation frequencies and the numbers of cooling water pumps and chilled water pumps according to the working condition parameters. A cooling tower and refrigerating host intelligent controller automatically adjusts the number of operated cooling tower draught fans and operated refrigerating hosts according to the working condition parameters. An air conditioner tail-end intelligent controller adjusts the opening degrees of air supply branch pipe tail-end air valves and chilled water proportion regulating valves and the operation frequencies of air feeders respectively through an air supply branch pipe tail-end air valve, chilled water proportion regulating valve and air feeder energy-saving controller according to the working condition parameters. The invention further discloses a linkage energy-saving control method for the air conditioning system. The linkage energy-saving control system is automatically matched with the energy-saving working condition parameters according with the current system, electric equipment and the controllers in the air conditioning system are adjusted, the air conditioning system runs at the best efficiency, and the purpose of reducing the total energy consumption of the system is achieved.

The invention discloses a control device used for a centralized air processing system, which comprises a plurality of frequency converters, a plurality of actuators, a plurality of sensors, and a controller, wherein the frequency converters are connected with a plurality of fans respectively, and used for controlling rotation frequencies of the corresponding fans to adjust the generated air volume; the actuators are connected with a plurality of air valves and a water valve of a surface air cooler respectively, and used for controlling the air valves and the water valve to accomplish adjustment on the conveying or discharge air volume; the sensors are arranged on a plurality of air pipes and a freezing water pipe of the surface air cooler respectively, and used for collecting a temperature and a concentration of indoor CO2; and the controller is used for processing sensor data, generating a signal to control the frequency converters and the actuators to adjust the fans, the air valves and the water valve, accomplishing coordination among air supply, air return, fresh air and air discharge, and achieving indoor air treatment. The control device utilizes humiture and CO2 concentration measurement signals and adopts an integral control mode to accomplish temperature control of an air conditioning system and indoor hot comfort control, and the anti-interference capability and an energy-saving effect are improved.

The present invention relates to a method for achieve automatic driving curve generation between stations during operation by an automatic train driving system. The method comprises that: the system real timely acquires operation information of an automatic train monitoring system, train parameter information and track information of a track database; the driving curve information at each operation stage between the stations is real timely and adaptively calculated; the key point information at each operation stage between the stations is extracted and recorded according to the driving curve information; the best automatic driving curve of the train between the stations during the operation is real timely generated. With adopting the method for achieve the automatic driving curve generation between the stations during the operation by the automatic train driving system, a plurality of disadvantages of the train in the automatic driving process are effectively overcome; the advantages of higher comfort, good energy saving effect, high parking precision, easy adjustment, stable and reliable work performance, and wide application range are provided; the purposes of punctual operation, energy saving operation, high comfort operation, safe and smooth operation of the train are achieved, and the operation requirements of the CBTC system are completely met.

The present invention provides an air conditioner control system and method, the outlet of the air conditioner control system movable sets an air ducting, the air ducting is driven by winding motor, the winding motor is electrically connected to the winding control unit in the inner controller, the air conditioner control system further includes an image identity module, the image identity module is electrically connected to the inner controller. The air conditioner controlling method includes following steps: a. initializing air conditioner; b. transferring image identity module, judging object position; c. storaging or transferring object position; d. adjusting direction of air ducting in the outlet according to the object position. The air conditioner control system and method of the invention can automatic adjust outlet direction of the air conditioner according to the object position, has a high degree of automation, better capacity of saving energy, and high sensing precision of the image identity module, less mulfunction.

The invention discloses a self-heat-insulating concrete building block, belonging to the field of building materials and used for masoning a heat-insulating wall body. The self-heat-insulating concrete building block is characterized in that heat-insulating through holes are distributed on a slurry paving surface, two ends of the self-heating-insulating concrete building block are respectively provided with one heat-insulating groove, heat-insulating materials are inserted into the heat-insulating through holes and the heat-insulating grooves, so that no cold bridges exist on the building block, and the energy saving effect of the masoned heat-insulating wall body can be obviously increased.

The invention provides a multifunctional intelligent window. The intelligent window comprises a window frame, an upper suspended window body accommodated in the window frame, a shutter fixed on one inward side of the window frame and a transmission mechanism for adjusting the states of the upper suspended window body and the shutter; the intelligent window also comprises an outdoor environment detector, an indoor environment detector and a control system; the outdoor environment detector and the indoor environment detector are electrically connected with the control system; and the control system adjusts the states of the upper suspended window body and the shutter through the transmission mechanism. The intelligent window has the advantage of more reasonable structural design. The upper suspended window body, the shutter and the execution mechanism of the multifunctional intelligent window are relatively independent, but the signal and the control mode for controlling the intelligent window by the control system are integral, namely the upper suspended window body and the shutter are designed to be independently used in a remote control operating mode and also can be used as a whole for realizing all intelligent functions in a self-control mode.

A biomimetic benthon fishing robot comprises a fishing robot body, four limbs based on artificial muscles and having two functions of seabed walking and benthon fishing, a pressure sensor used for sensing water depth, a digital compass used for detecting the walking direction of the fishing robot, a binocular stereoscopic panoramic visual sensor used for acquiring panoramic stereoscopic vision video images which are 360 degrees around the fishing robot, an intelligent body used for controlling the four limbs to harmonize seabed walking and for performing identification and spatial erientation to a fished object, autonomous navigation, fishing action controlling and information interaction with a mother ship on the water, and a navel cord for communicating with the mother ship on the water and connected with energy equipment supply equipment. The biomimetic benthon fishing robot provided by the invention has the advantages of good natural flexibility, simple mechanism, low control complexity, low manufacturing and maintenance costs, and high efficiency during the fishing process.

The invention discloses a waste heat recovery device of an air compressor and a control method of the waste heat recovery device. The waste heat recovery device comprises heat exchanging modules and enhanced heat exchanging modules, wherein the heat exchanging modules are arranged in parallel at the two ends of an oil-channel electric valve; the reinforcing heat exchanging modules are arranged in parallel at the two ends of the air-channel electric valve; the heat exchanging modules and the reinforcing heat exchanging modules are utilized to recover and store the heat energy in circulating oil and the heat energy in compressed air lost and wasted when the air compressor operates; the heat energy of the compressed air can be recycled at highest efficiency under the premise that the operation of the air compressor is not impacted. According to the waste heat recovery device of the air compressor and the control method of the waste heat recovery device, the collected data are analyzed and operated so as to realized effective high intelligent control; not only is the efficiency of the operation of the air compressor improved, but also the energy input of the heat energy utilizing modules can be reduced, the energy consumption or fuels for heating are lowered, and energy comprehensive utilizing degree is improved. Therefore, the waste heat recovery device has the advantages that the energy-saving effect is good, the intelligent degree is high, and the stability is excellent.

Belonging to the technical field of heat storage and transfer, the invention provides a ternary nitric acid nano-molten salt heat transfer and storage medium, a preparation method and application thereof. The ternary nitric acid nano-molten salt heat transfer and storage medium contains a ternary nitric acid molten salt system formed by potassium nitrate, sodium nitrate and sodium nitrite. The ternary nitric acid nano-molten salt heat transfer and storage medium is characterized in that it also includes metal oxide nanoparticles and/or non-metal oxide nanoparticles. The nanoparticles are dispersed into the ternary nitric acid molten salt system to undergo compounding so as to form the ternary nitric acid nano-molten salt heat transfer and storage medium. The ternary nitric acid nano-molten salt involved in the invention has a low melting point, an upper limit use temperature up to 600DEG C, good thermal stability, and high heat conductivity, thus being very suitable for the heat storage and transfer system of industrial energy storage and solar-thermal power generation.

The cooling-heating air-conditioning hot water three-purpose machine is characterized by that on the original air-conditioner a countercurrent water-cooling heat exchanger and a three-way two-position reversing electromagnetic valve formed from electromagnetic auxiliary valve and pneuamtic main valve are added, and two energy-saving water-heating control modes of refrigeration mode and heating mode are increased, and a double-loop two-way throttle mechanism also can be adopted or the spiral coil tube-in-tube water-cooling heat-exchanger can be pdlaced in the hot water storage tank, so that said invented three-purpose machine can be used throughout the year, and possesses several functions of refrigeration, heating and providing cold and hot water.

The invention relates to omnidirectional computer vision center air conditioning energy saving control device. It includes micro processor, air damper, blower fan, secondary refrigerant electric control valve. It can correctly detect out indoor person current position and number to adjust corresponding system. It can improve response rate, and reduce extra energy consumption. It is mainly used in huge commerce and office building to make user comfortable and healthy.