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600results about How to "Reasonable control" patented technology

Indoor unit of vertical air conditioner

The invention provides an indoor unit of a vertical air conditioner. The indoor unit comprises a machine shell, a heat exchanger, a first cross flow fan and a second cross flow fan; the heat exchange is arranged in the machine shell; the first cross flow fan and the second cross flow fan are arranged up and down in the machine shell, vertically extend along an axis and are arranged collinearly; the machine shell comprises a framework, a bottom plate, a front upright post, a rear upright post, a left upright post, a right upright post and a shell; the framework is used for mounting the heat exchanger, the first cross flow fan and the second cross flow fan; the bottom plate is arranged below the framework and is used for supporting the indoor unit of the vertical air conditioner; the front upright post and the rear upright post respectively extends upwards from the front and rear sides of the bottom plate to the bottom end of the framework to support the framework; the left upright post and the right upright post respectively extend upwards from the left and right sides of the bottom plate to the top end of the framework to fix the framework; and the shell surrounds the outer side of the framework, the lower end of the shell extends to the edge of the bottom plate, a plurality of air outlets are formed in the front side of the shell, and an air inlet is formed in the rear side of the shell. The indoor unit of the vertical air conditioner, provided by the invention, is relatively low in fan air pressure loss and capable of saving more energy during operation and has various air supply modes, so that the user experience is improved.
Owner:QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD

Intelligent heat supply network integrated system and control method thereof

The invention discloses an intelligent heat supply network integrated system and a control method of the intelligent heat supply network integrated system and relates to a city heating system and a control method of the city heating system. The system comprises a heat source, a heat supply dispatch initial station, a heat exchange station, a primary heat supply pipe network, a secondary heat supply pipe network and a building heat supply pipe network, a main control system, a primary controller, a secondary controller and a building controller are arranged, each stage of heat supply pipe network is provided with a heat meter, a pressure sensor, a temperature sensor and an electric adjusting valve, a circulation pump on the primary network and a circulation pump on the secondary network are respectively provided with a frequency converter, and the building controller, the primary controller and the secondary controller are connected with the main control system; the building controller is electrically connected with the electric adjusting valve of the building heat supply pipe network. The main control system obtains control parameters through the sensors on all the stages of pipe networks, and the working states of the heat supply pipe networks are adjusted and controlled according to the specific values between the parameters and designed values. According to the intelligent heat supply network integrated system, heat and water balance of the heat supply pipe networks is optimally controlled, no utilizable energy is wasted, and the intelligent heat supply network integrated system is green, capable of saving energy, environmentally friendly and beneficial for descendants.
Owner:山东国能智能科技有限公司

Intelligent vehicle lane change path planning method based on polynomial and radial basis function (RBF) neural network

The invention relates to an intelligent vehicle lane change path planning method based on a polynomial and radial basis function (RBF) neural network. The intelligent vehicle lane change path planning method comprises the following steps that: the state information of obstacles and lane change vehicles in lanes are detected and determined according to a vehicle-mounted sensor, and the state information comprises positions, speed, acceleration and shapes; the lane change vehicles and the obstacles are geometrically covered, and in addition, a lane change path model using the time as the independent variable is built; boundary conditions of the lane change vehicles are obtained by the dynamic RBF neural network; the lane change path parameter is subjected to traversing in a certain range according to a certain step length, and the calculation of a polynomial method is combined to obtain the lane change path set under the specific boundary conditions; index functions for evaluating the merits of the lane change patch performance are defined, the optimal path in generated lance change paths is screened according to the index functions and is applied to the practical lane change process of vehicles; and whether the RBF neural network is updated or not is determined according to the merits of the boundary conditions of the generated lane change paths. The neural network has good self-adaption capability, so that the problem that the RBF neural network structure is oversize or undersize is solved.
Owner:BEIJING UNIV OF TECH

Temperature control device and method for adjusting temperature in sealed equipment

The invention discloses a temperature control device and method for adjusting a temperature in sealed equipment. The temperature control method comprises the following steps of: pre-defining detection areas, determining a temperature rise curve of each detection area through a sampling test, determining a fan speed regulation curve, and determining a relation curve of fan rotating speeds according to a temperature rise value of the sealed equipment and the temperature of a fan air inlet; when the sealed equipment is operated, obtaining the temperature rise values of the detection areas on the basis of temperature rise curves of the detection areas in a chassis according to an input current or an output current, and determining the temperature rise value of the chassis by using the temperature rise values of the detection areas; determining a target fan rotating speed under a current input parameter according to the temperature rise value of the chassis and the temperature of the air inlet; and adjusting a control parameter of a fan power source until the fan rotating speed reaches the target fan rotating speed on the basis of the fan speed regulation curve between the fan rotating speeds and a rotating speed control parameter according to the target fan rotating speed. When the temperature control is carried out by the temperature control device and method disclosed by the invention, the parameters to be detected are fewer, the temperature rise value can be predicted, and the fan rotating speeds can be adjusted in time so as to accurately control the temperature.
Owner:ZTE CORP

Stable evaluation and static control method for electro-thermal-gas integrated energy system

The invention, which relates to the technical field of the integrated energy system, provides a stable evaluation and static control method for an electro-thermal-gas integrated energy system. The method comprises: S1, modeling is carried out on an electro-thermal-gas integrated energy system by means of combination of data driving and mechanism driving; S2, screening and correlation identification of abnormal data are carried out; S3, a stable evaluation method is implemented; to be specific, a calculation formula of a stability index is defined by taking power flow calculation of an energy flow and load reduction quantity and wind curtailment quantity calculation as priorities and using determination of exceeding the limit by the energy flow as an evaluation criterion and a system stability evaluation standard comparison table is provided; and S4, static control is carried out, so that a sub-system independent solution problem and a multi-system coordinated solution problem are solved. According to the invention, with the integrated energy system model established by combination of data driving and mechanism driving, prediction of the load changing situation and dual identification of abnormal data of the system are realized, so that stability evaluation and static controlling are carried out on the system accurately and reasonably.
Owner:NORTHEASTERN UNIV

Defrosting method of air conditioner air-cooled heat pump unit and air conditioner air-cooled heat pump unit

The invention provides a defrosting method of an air conditioner air-cooled heat pump unit, which includes the following steps: step 1 judging whether operation time timing from exit of last defrosting meet requirements for defrosting spacing interval before starting defrosting; step 2 if the requirements for defrosting spacing interval can be met, performing defrosting, and if the requirements cannot be met, returning to step 1. The defrosting spacing interval can be determined according to the following steps: when the last defrosting exits, detecting fin temperature of an evaporator and comparing the detected temperature with a set temperature; when the fin temperature is larger than the set temperature, choosing time value for the defrosting spacing interval according to the last defrosting time; and when the fin temperature is smaller than the set temperature, choosing the defrosting spacing interval as a fixed value. The invention further provides the air conditioner air-cooled heat pump unit, which comprises a defrosting controller for controlling the unit to perform defrosting in the chosen defrosting spacing interval according to the evaporation fin temperature and outdoor environment temperature, so that the defrosting spacing interval can be reasonable.
Owner:QINGDAO HAIER AIR CONDITIONING ELECTRONICS CO LTD +1

Vertical air conditioner indoor unit

The invention provides a vertical air conditioner indoor unit. The indoor unit comprises a machine shell, a plurality of air outlets are vertically formed in a front panel, and the rear side of the machine shell is provided with an air inlet; a heat exchanger is arranged in the machine shell, a first cross flow fan and a second cross flow fan are vertically arranged in the machine shell, the axes vertically extend, the first cross flow fan and the second cross flow fan are collinear, and therefore the air is promoted to enter the machine shell via the air inlet and is subject to heat exchange with the heat exchanger to be blown out of the corresponding air outlet; an air flue assembly is erected on the circumferential outer sides of the first cross flow fan and the second cross flow fan so as to enable air to be led to the air outlets forwards from the heat exchanger, an air flue partition part is mounted on the air flue assembly and is located between the first cross flow fan and the second cross flow fan, space limited by the air flue assembly is partitioned into an upper portion and the lower portion, the first cross flow fan and the second cross flow fan are contained in the upper portion and the lower portion correspondingly, and the air flue partition part is provided with two bearings matched with a rotating shaft of the first cross flow fan and a rotating shaft of the second cross flow fan correspondingly. According to the indoor unit, the air flue assembly can be simplified, and the influence of the air flue assembly on the heat exchange efficiency of the heat exchanger can be reduced.
Owner:QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD +1

Water conveyance tunnel with prestressed composite lining for shield tunnelling

The invention provides a water conveyance tunnel with a prestressed composite lining for shield tunnelling. The tunnel comprises an ordinary reinforced concrete outer lining (1) which is formed by shield construction and is an assembled segment ring, wherein segments on the same ring are connected by connecting bolts (2); dowel bars (3) are installed in hand holes on the assembled segment ring; concrete is directly poured on the outer lining (1) to form an inner lining (5); shear keys (6) are formed in such a manner that concrete is filled in the hand holes of the outer lining; and the inner lining (5) and the outer lining (1) are combined via the dowel bars (3) and the concrete shear keys (6) to form a composite lining structure. Thus, the defects of great construction difficulty, long construction period and higher investment caused by the separated pressure pipeline water conveyance scheme for shield tunnelling are overcome. The technical problems of high head, high flow, high load and possibility of endangering the tunnel safety due to seepage of underground water, which are encountered when the soft soil layer of the riverbed is tunnelled in the shield tunnelling construction of the Yellow River crossing tunnel, are solved. Besides, the invention reduces the project investment and has obvious social benefits.
Owner:CHANGJIANG SURVEY PLANNING DESIGN & RES

Automated building block production line

The invention provides an automated building block production line, and belongs to the technical field of operation and transportation. The automated building block production line solves the problems of an existing building block production line that control over feeding is inaccurate, the structure is unreasonable, and the system is not stable enough. The automated building block production line comprises a distributing system, a building block formation system, a maintenance system, a supporting plate recycling system and an automatic control system. The distributing system further comprises a shell fabric aggregate bin and a shell fabric weighing hopper used for weighing, so that a preset amount of shell fabric can be output accurately. The building block formation system further comprises a feeding machine and a secondary distributor, so that materials are fed to a blocking making machine in batches. The extension end of a supporting plate recycling conveyor line in the supporting plate recycling system is further provided with a supporting plate returning machine which pushes supporting plates on a plate overturning machine to a plate feeding machine. The automated building block production line has the advantages that feeding is accurate, stability is high, and arrangement is reasonable.
Owner:NINGBO NOAH INTELLIGENT EQUIP

Intelligent control system for comprehensive utilization of rainwater and control method of intelligent control system

The invention relates to an intelligent control system for comprehensive utilization of rainwater and a control method of the intelligent control system. The intelligent control system comprises a remote computer central control platform, a rainfall sensor, a rainwater collection device, a rainwater discarding flow treatment device, a rainwater collection pool, a rainwater reuse lifting pump and a clean water pool, the rainwater collection device, the rainwater discharging flow treatment device, the rainwater collection pool, the rainwater reuse lifting pump and the clean water pool are connected sequentially through a pipeline, the clean water pool is connected with an afforestation sprinkling irrigation device and a garage flushing device through a middle water electric butterfly valve, the rainwater discarding flow treatment device is connected with a municipal sewer through a rainwater discharging flow electric butterfly valve, and liquid level meters in the rainwater collection pool and the clean water pool, the rainfall sensor, the rainwater reuse lifting pump and the above valves are connected with the remote computer central control platform respectively. The control method includes: collecting liquid level of each pool in real time; intelligently combining current realtime rainfall and subsequent possible weather condition; automatically analyzing and judging; automatically controlling start and stop of each stage of rainwater reuse. The intelligent control system is reasonable in control, rainwater utilization rate is increased, off-peak electricity can be utilized for rainwater treatment, and electric energy is saved.
Owner:崔新明

Multi-water-pump automatic control method of central air conditioner energy-saving control system

The invention discloses a multi-water-pump automatic control method of a central air conditioner energy-saving control system. The method comprises the steps that all states of water pumps are monitored, operating time real-time accumulation is updated and stored in real time, the water pumps capable of operating are sorted according to operating time real-time accumulation, and the water pump shortest in operating time is preferentially started according to the sequence till the number of the water pumps required by the system is met; and when the feedback state of the water pump shortest in operating time is any one of a manual control state, a failure state, a local control state, a power access failure state and a maintenance state, the operating state of the water pump is automatically displayed, an alarm is output, sorting is carried out again, and the water pumps are started. According to the method, multiple system states except for water pump failures are considered, operating of the water pumps is automatically stopped and restored to be started according to the monitoring states of the water pumps so as to deal with the operating conditions of the water pumps more comprehensively, the unattended aim of a machine room is achieved better, and normal operating of a central air conditioner is protected.
Owner:北京清云能源集团有限公司

On-line control method of continuous casting blank temperature based on memory recognition mode

InactiveCN101406940ASolve the problem of temperature feedback control hysteresisEffective controlComputer control systemMemory recognition
The invention provides a method for controlling the temperature of continuous casting blanks on line based on a memory recognition mode, wherein a computer control system aiming at the characteristics of the continuous process applies a feedback and feedforward complementary control model algorithm based on the memory recognition mode to perform real-time complementary control on a water distributing system in the whole secondary cooling region of a continuous casting machine, so that the surface temperature of a casting blank on a set temperature measurement control point is kept within a target temperature range to ensure the quality of the casting blank and the smooth operation of continuous casting production; and the method traces and analyzes disturbance factors to the temperature of the casting blank in the continuous casting process, considers the pulling speed and the history accumulative effect of water quantity changes, adopts an complementary mode of feedback control and feedforward control before and after a temperature measurement point, dually controls the hot state of the continuous casting blank in the whole secondary cooling region, solves the problem that the feedback control of the temperature is hysteretic so that the temperature feedback control algorithm can truly reflect the cooling process and the current hot state of the continuous casting blank, and introduces two control adjusting regions including an optimal temperature region and a fine adjustment temperature region to perform effective and reasonable control.
Owner:CHONGQING UNIV

Standard reaching to ground surface water grade IV water urban sewage treatment process

The invention discloses a standard reaching to ground surface water grade IV water urban sewage treatment process, which comprises the following treatment steps that the urban sewage is subjected to pretreatment so as to remove sand, stone and big particle materials in the sewage; after the pretreatment, different-point water feeding is performed to a pre-denitrification and anoxic pool; outlet water subjected to pre-denitrification sequentially passes through an anaerobic pool, the anoxic pool, an aerobic pool, a secondary sedimentation tank, a magnetic or sand loading flocculation deep dephosphorization settling pool and a reaction unit for sterilizing and oxidizing rest organic matters and improving dissolved oxygen in water, and is discharged after the standard reaching; mud water in the secondary sedimentation tank flows back to the pre-denitrification pool; mud water in the aerobic pool flows back to the anoxic pool; a carbon source can be additionally fed into the anoxic pool; the preferable carbon source and the carbon source precise control mode are favorable for the target realization; the problem of the conventional grade IV water standard reaching is solved through oxidization, sterilization and oxygen charging measures. The process has the advantages that the multiple regions are used for reasonably allocating the inlet water; the carbon source is sufficiently utilized; the sludge age is more reasonable; various conventional problems and the practical problem that the grade IV water standard is difficult to reach are solved; each outlet water index is enabled to stably reach the grade IV water standard.
Owner:HUAQI ENVIRONMENT PROTECTION SCI & TECH
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