185results about How to "Solve runnability" patented technology

The invention discloses a fast monocular vision odometer navigation and positioning method fusing a feature point method and a direct method, which comprises the following steps: S1, starting the vision odometer and obtaining a first frame image I1, converting the image I1 into a gray scale image, extracting ORB feature points, and constructing an initialization key frame; 2, judging whether thatinitialization has been carry out; If it has been initialized, it goes to step S6, otherwise, it goes to step S3; 3, defining a reference frame and a current frame, extracting ORB feature and matchingfeatures; 4, simultaneously calculating a homography matrix H and a base matrix F by a parallel thread, calculating a judgment model score RH, if RH is great than a threshold value, selecting a homography matrix H, otherwise selecting a base matrix F, and estimating a camera motion according to that selected model; 5, obtaining that pose of the camera and the initial 3D point; 6, judging whetherthat feature point have been extracted, if the feature points have not been extracted, the direct method is used for tracking, otherwise, the feature point method is used for tracking; S7, completingthe initial camera pose estimation. The invention can more precisely carry out navigation and positioning.

The invention relates to the field of the plan and the design of energy systems, and discloses a multi-energy complementary distributed energy system and an equipment configuration and operation optimization method thereof. According to the multi-energy complementary distributed energy system and the equipment configuration and operation optimization method thereof, energies such as fossil energy, unemployed energy, and renewable energy etc. are converted by the adoption of energy conversion technologies such as the conventional generation technology, the renewable energy technology, the cogeneration technology or the thermal technology etc., the requirements of terminal loads such as electric power, refrigeration, heating, and hot water etc. are satisfied, defects of single energy carrier and single energy supply technology in the prior art are overcome, the coupling utilization mode of a plurality of distributed energy supply technologies is provided, and energy complementation is formed. Further, during system equipment configuration and operation optimization, an established optimization model comprehensively considers equipment performance, policy indicators or economic indicators and combines economic, environmental, and policy boundary conditions, the problem of decoupling of equipment type selection and operation strategy in the prior art is solved, and scientific basis is provided for relevant policy making.

The invention provides a power grid switching operation ticket automatic generating system and method based on 'scheduling instruction parsing modes' and aims to solve the problems that the operation tasks of the existing scheduling instructions are manually parsed by operators, filling in switching operation tickets by the aid of a five-prevention system is time consuming, and operation ticket filling in errors are possible. The invention provides a method and a system for automatically generating a scheduling instruction ticket and aims to solve the problems that in large complex operations, scheduling operations are not optimized, switching operations have many procedures and are time consuming, and power grid transition operations and switching operations are high in risk.

The invention belongs to the security prevention technical field and relates to a social security protection video monitoring cloud platform and monitoring method. The monitoring method includes the following steps that: a monitoring cloud platform is established; resources to be monitored are connected into the monitoring cloud platform; the cloud platform is docked with a public security alarm answering platform through a data boundary system; the cloud platform is docked with a public security video private network platform through a gatekeeper; and a third party safety technical prevention security protection terminal is docked with the cloud platform, and user alarm information which is authorized to the third party safety technical prevention security protection terminal is pushed to the third party safety technical prevention security protection terminal, and alarm information confirmed by the third party safety technical prevention security protection terminal is transmitted to the public security alarm answering platform through the cloud platform. With the social security protection video monitoring cloud platform and monitoring method adopted, a traditional video monitoring system which can record monitoring images, operate independently, is used for post-event verification, and cannot realize a networking function and a prevention function can be improved; and the management and intelligent life level of customers can be improved.

The invention discloses one method and system to realize the test on any two end systems property parameters in IP network in any place, which comprises the following steps: firstly downloading test programs to central register and manager person sets control strategy and sends test through browser; test servo starts mobile probe for test and sending test message to signal station to fulfill test result into data servo to display results.

The invention provides an intelligent monitoring system for the quality of a PCB solder paste printing process and a method. The system comprises a data acquisition module, a printing quality management database, a statistical analysis module and a light control module, wherein the data acquisition module is used for performing real-time acquisition of various parameter data of PCB printing solder paste, which is detected by an SPI detection system; the statistical analysis module is used for acquiring and analyzing the data acquired by the data acquisition module, judging whether the quality of the solder paste printing process is controlled or not according to an analysis result, and sending a signal representing that the quality of the printing process is out of control to the light control module when the quality of the solder paste printing process is out of control or tends to be out of control; and the light control module can control different warning lights to give a warning of specific out-of-control conditions. Through the system and the method, the defect that the quality of a printing process cannot be monitored in the prior art is overcome, the printing process can be monitored, and a warning can be given in time when that the printing process is out of control is found so as to reduce defects in solder paste printing.

The invention discloses a double-feed wind power generator stator short circuit current calculating method under the condition of asymmetric faults. The method comprises the following steps: establishing a voltage equation and a flux linkage equation of a double-feed wind power generator, in the form of space vectors under a stator shaft system; establishing stator and rotor current expressions, and establishing a stator positive sequence flux linkage expression after the faults; establishing a rotor positive sequence flux linkage expression after the faults; establishing a stator positive sequence current expression of the double-feed wind power generator under the condition of an asymmetric fall of voltage at a machine end; establishing a stator negative sequence flux linkage expression after the asymmetric fall of the voltage at the machine end; establishing a rotor negative sequence flux linkage expression after the asymmetric fall of the voltage at the machine end; establishing a stator negative sequence current expression after the asymmetric fall of the voltage at the machine end; and finally obtaining a stator current expression after the asymmetric fall of the voltage at the machine end. According to the invention, the problems of affected relay protection and control accessed to a wind power field, affected safe and stable operation of a wind power generator set and the like, caused by lack of research on a simple and effective stator short-circuit current calculation method under the condition of the asymmetric faults in the prior art are solved.

The present invention provides a frame rendering method. The method comprises the steps of: obtaining a current target movement operation instruction; generating a target object movement model according to the current target movement operation instruction and a preset algorithm; determining a next logic position of the target object according to the target object movement model and the current logic position of the target object; determining a next trend position of the target object according to the target object movement model and the next logic position of the target object; and performingposition gradual-change frame rendering operation of the target object according to the next trend position of the target object and the current rendering position of the target object, wherein the position gradual-change frame rendering operation generate a plurality of position gradual-change rendering frames of the target object. The present invention further provides a frame rendering device.The frame rendering method and device ensure the instant execution of user game operation to the most extent through a mode of position gradual-change frame rendering operation so as to eliminate handfeeling delay when users perform game operation; and moreover, the frame rendering method and device, and the storage medium can respond to the jittering of a network environment to ensure the smoothoperation of the game at all the game clients.

The invention relates to a device and a method for removing refractory organics and total nitrogen in waste water simultaneously. The device comprises an ozone catalytic oxidation tower (3) and a rear-mounted anoxic biological filtering tank (7). The waste water is subjected to catalytic oxidation firstly in the ozone catalytic oxidation tower (3) and is discharged after entering the anoxic biological filtering tank (7) for the denitrification reaction. According to the device and the method, ozone serves as an oxidizing agent, refractory organic pollutants are oxidized into micro-molecule easily-degradable organics under the effect of a catalyst, and the biodegradability of the waste water is improved; and by the aid of the denitrification reaction of the anoxic biological filtering tank, micro-molecule easily-degradable organics produced by the catalytic oxidation serve as a carbon source, and the nitrate nitrogen in the waste water is eliminated. By the aid of the device and the method, the total nitrogen can be eliminated effectively, the emission of the effluent total nitrogen after treatment can meet the standard, and the special catalyst is used in the method for oxidizing refractory organics, so that pollutants are eliminated, simultaneously, the problem of carbon sources during total nitrogen removal reaction can be solved, external carbon sources are not required, and the operation cost is low.

The invention discloses a posture identification device and a virtual reality display system and device installing the posture identification device. The posture identification device comprises an image acquiring unit arranged on a target object and configured to acquire multiple marked initial images distributed on a predetermined-shaped face when the target object is located at an initial position and an initial posture and acquire multiple marked real-time images in real time, a processing and calculating unit configured to calculate the real-time position and real-time posture of the target object based on the initial images, the real-time images, the predetermined shape of the face and the initial position and the initial posture of the target object. The problems of blind detection zones, high manufacturing cost, difficult line operation maintenance and the like caused by the fact that an external camera installed in the prior art cannot judge space position and posture change of the target object can be solved through algorithm calculation of the processing and calculating unit, so that the posture identification device is high in detection accuracy, low in device cost and high in processing speed.

The invention discloses a chemical cleaning method of a hollow fiber membrane, comprising the following steps of: (1) preparing a composite chemical cleaning agent with the active chlorine concentration of 10-13%; and (2) back washing the hollow fiber membrane on line by adopting the compounded composite chemical cleaning agent. The invention also discloses a chemical cleaning device of the hollow fiber membrane, which is provided with a composite chemical cleaning agent storage tank and a back washing system comprising a back washing pump; and the upper part of the storage tank is provided with a filling pipe, an electromagnetic valve and an air release valve. The invention can effectively keep the membrane flux of a membrane bioreactor and is matched with the running characteristic of a membrane bioreactor process. The invention solves the problems of large impact on microorganisms in a system, high labor intensity caused by needing to hang a membrane assembly out for cleaning and the like, and difficult running management, can integrate a membrane assembly cleaning system and the membrane bioreactor to improve the control level of automation. By adding a surfactant and regulating the pH value of the system to be greater than 13, the stability of a sodium hypochlorite solution can be improved.

The invention relates to a method for planning substations of a power distribution network. The method comprises the following steps that each 110-kV substation is arranged according to the N-1 principle distribution pattern, the capacity-load ratio ranges from 1.8 to 2.1, each 35-kV substation is arranged according to the N-1 principle distribution pattern, the capacity-load ratio ranges from 1.6 to 1.8, the distribution transform capacity-load ratio of each 10-kV substation ranges from 1.5 to 2.0; a boost and expansion project, the number of newly established substations and the main varying capacity are determined according to the target capacity-load ratio of each substation and the current operation and distribution situation of the substations of the power distribution network, and then the station location of each substation and the power supply radius are determined; the minimal investment and the minimal annual operation cost serve as objective functions, the constraint condition refers to the fact that the load requirement is satisfied, and an optimized operation is conducted through the objective functions; the minimal investment and the minimal annual operation cost of substation planning are determined; the number of the substations needing to be newly established and the number of the substations needing capacity increase are obtained through calculation and therefore the problems that the load rate of an existing circuit is ultra-high, the capacity-load ratio of each substation is ultra-low, and operation and dispatching are not flexible can be solved through the minimal investment and the minimal annual operation cost.

The invention discloses a power grid three-dimensional design result data management system and a digital management method thereof. The system comprises a three-dimensional design result data management device, an interface conversion device connected with the data management device, and an owner terminal connected with the interface conversion device. The data management device is used for recording the power grid three-dimensional design result; the interface conversion device is used for establishing a conversion relation, and is further used for handing over the conversion relation and the power grid three-dimensional design result to the owner terminal in a digital seamless way; and the owner terminal reads and stores the three-dimensional design result in a local disk file according to the conversion relation. The power grid three-dimensional design result data management system and the digital management method thereof are provided in the invention, the whole set of technical scheme fills the technology gap in the field of power grid three-dimensional design result data management, the actual state that the power grid three-dimensional design result is disjointed with construction, operation, management and monitoring is radically solved, and technical merit and work efficiency in design, building and management of the power grid are both improved.

The invention discloses a combined decision method for power generation plans of a multi-type power supply. The multi-type power supply includes a power generation system composed of thermal power, wind power and hydropower. According to the combined decision method, an optimal start / stop state of a thermal generating set is selected according to requirement information of the power grid as well as a power balance analysis result; an optimization model coordinated with the multi-type power source is established, active output of wind power-thermal power-hydropower sets is optimized in a combined manner; and the safety of an active output plan of the multi-type power supply is checked, a start / stop plan of a thermal power set is corrected by iteration, and a combined power generation plan of the multi-type power supply is generated finally. According to the method, wind power prediction data is introduced into power balancing, start / stop of the thermal power set is arranged in advance, and a peak-clipping and valley-filling function of a hydropower set is used, so that a combined decision for a power generation plan for the thermal power, wind power and hydropower included power supply is realized, the generating amount of the thermal power set is replaced or reduced, and the clean energy consumption level of the power grid is improved.

The invention relates to a predictive control method for a building energy supply system model with an integrated electric refrigerator. The predictive control method is characterized by comprising the following steps: 1, establishing a building energy supply system model consisting of a building virtual energy storage system, an electric refrigerator, a diesel power generation unit, a fuel cell and a storage battery; and 2, establishing a scheduling model framework, giving day-ahead, within-day and rolling part models to build a multi-time-scale predictive scheduling model of the building energy supply system, and carrying out multi-time-scale optimal scheduling according to the demands of the building energy supply system and building users. The building virtual energy storage model including the electric refrigerator is integrated, and the virtual energy storage model is integrated into the model predictive control method of the building energy supply system, thereby further miningthe flexibility of building energy consumption on the premise of ensuring the indoor temperature comfort of the building.

The invention relates to a control method of a refrigerator applicable to a high-temperature environment. The refrigerator comprises a refrigerating chamber and a chilling chamber, wherein the chilling chamber is internally provided with a compressor, a fan and a chilling temperature sensor; the chilling chamber is internally provided with a refrigerating temperature sensor; an air flue between the refrigerating chamber and the chilling chamber is internally provided with an air door; the compressor, the fan, the air door, the chilling temperature sensor and the refrigerating temperature sensor are connected with a control board arranged in the refrigerator; and the control method comprises the following steps that the control board selects a control mode of the refrigerator to be a common mode or a delaying optimized mode according to a chilling temperature detected by the chilling temperature sensor and then converts into the common mode. According to the control method disclosed by the invention, delaying optimized control is adopted at a high-temperature environment, and chilling and refrigerating load peak values are staggered, so that the total load peak value of the system is reduced, and the normal starting and operation of the compressor are guaranteed. Furthermore, on the premise of not increasing the cost, the starting and operation problems of the refrigerator under the high-temperature environment are solved, so that the stability and reliability of using the refrigerator are improved.

The invention discloses a method for coprocessing sludge with high moisture content by a novel dry-process rotary kiln. Sludge with high moisture content is transported into a kiln tail smoke chamber or a decomposing furnace to be burnt out without being dried and grinded; when the amount of sludge required to process is small, coal property is favourably decomposed, the combustion state of pulverized coal in the decomposing furnace is excellent, and the sludge with high moisture content is atomized by a pump and is ejected into the kiln tail smoke chamber or the decomposing furnace to be burnt out or mechanically sent into the kiln tail smoke chamber to be burnt out; when the amount of sludge required to process is big or the combustion state of pulverized coal in the decomposing furnace is poor, regulating components are added into the sludge with high moisture content, the sludge with high moisture content is subjected to filter-pressing or stockpile and drainage to be sent into the kiln tail smoke chamber or the decomposing furnace to be burnt out, or the sludge, the broken town household garbage and the like are mixed and milled to be sent into the kiln tail smoke chamber or the decomposing furnace to be burnt out together; and the moisture content introduced by the sludge is not more than 3% of raw material inventory. On the premise of keeping the production stability of the dry-process rotary kiln and keeping clinker sintering energy consumption and quality, the invention can harmlessly process sludge with high moisture content in the mode of energy and reclamation.

The invention provides a method for controlling maximum power tracing based on wind power generation. The method comprises the step of setting original values of parameters such as the step length, the adjusting frequency and the stopping power tracing threshold, the step of sampling a voltage, a current and a frequency and the step of judging and adjusting the frequency. The whole operating process is precise and simple, easy to implement and high in practicability. Multi-dimensional control is carried out by changing the step length, the tracing frequency and the stopping power tracing threshold, the dynamic performance of tracing is improved, and the accuracy of tracing is increased. The strategy of absorbing power dynamically at intervals is adopted, when the wind speed is low and the revolving speed of a draught fan is low, the problems of stalling operation and rotation stopping of the draught fan are solved, and practicability is high. When it is judged that the revolving speed of the draught fan is not changed consecutive several times, continuous tracing after adjustment is carried out on the step length, the tracing frequency and the stopping tracing power threshold, a forced restarting and tracing mechanism is adopted, the problem of invalid tracing caused by non-changing of the measured revolving speed for a long time is solved, the situation that the wind speed fluctuates along with the wind speed is adapted, and the tracing accuracy is improved.

The invention discloses a method for controlling cold starting of a proton exchange membrane fuel battery stack. A fuel battery pack with a heating function is selected; in an environment with the temperature less than 0 DEG C, when the fuel battery pack is started, an electric heating device is firstly started to heat one or more single batteries in the middle of the battery pack; when the temperature of the heated batteries is more than 0 DEG C and current is started to generate, the electric heating device is immediately shut down, so that consumption of external energy can be reduced as much as possible; heat released by electrochemical reaction in the single batteries can gradually smelt ice in the adjacent single batteries, and chain effects can be gradually achieved; and therefore, the single batteries in the battery pack are gradually started from the middle to two sides, and finally the battery pack can be successfully cold-started.

The invention relates to a crop control model driven intelligent greenhouse system control method, belonging to the technical field of greenhouse control systems. The method includes according to the requirement of the mechanism parameters of crop inner growth and development, crop output, economy and quality need, determining the interaction quantification model of greenhouse environmental factors and mineral nutrient elements varying along the different growth stages of crops; acquiring the greenhouse environmental factor data and acquiring the plant protection process data; based on the constructed interaction quantification model, the plant protection gardening quantification model, and the greenhouse environmental factor data, driving the greenhouse equipment and reminding the plant protection personnel to control the greenhouse environmental factors and gardening operations; and adjusting and optimizing the interaction quantification model and the plant protection gardening quantification model according to the data and information in the production process to be further applied to the production. Therefore, the whole crop control system runs in a closed-loop autonomous positive optimization way.

The invention discloses a three-dimensional visualization property information management system based on a mobile terminal. The three-dimensional visualization property information management system comprises a mobile terminal, a database server terminal, an information back-stage management terminal, and a network service terminal, wherein the mobile terminal is used for allowing a three-dimensional visualization model procedure to be mounted and displayed, and according to the competence extent, visualization inquiry and entering are performed, and transmitting and receiving of mission control and information data are performed; the database server terminal is used for storing and reading three-dimensional model related data information, household related information, security and facility polling information and role permission; the information back-stage management terminal is used for managing and maintaining database information and managing role permission; the network service terminal is used for allowing an information transfer channel to be erected among the mobile terminal, the information back-stage management terminal and the database server terminal. According to the three-dimensional visualization property information management system disclosed by the invention, problems in property information management are treated in a visual and high-efficiency manner; difficult problems existing in practical application of a BIM information technology in property management are effectively solved.

The invention provides an outdoor unit operation control method and device for improving the operation energy efficiency and the stability. The method comprises the following steps: capacity data of an indoor unit operated at present is obtained; multiple matched outdoor unit combinations are determined according to history operation data of outdoor units and indoor units; preset index parametersof the outdoor units in preset time periods are obtained, and the priority of the outdoor unit combinations is determined according to the preset index parameters; and according to the priority of theoutdoor unit combinations, the multiple outdoor unit combinations are operated in turn. The method obtains the capacity data of the indoor unit operated at present and the history operation data of the outdoor units and the indoor units, and accurately determines the matched outdoor unit combinations with high efficiency energy according to the obtained data, so that the operation efficiency energy is improved; and the priority is determined through combination with the health degree of the outdoor units, and the outdoor unit combinations are operated in turn according to the priority, so that the operation stability is improved, and the technical problems of low operation energy efficiency of the outdoor units and weak stability in traditional methods are solved.

The invention discloses a satellite on-orbit information simulation method based on a three-dimensional environment. The method includes the following steps: step one, satellite three-dimensional-model processing; step two, telemetry driving and fault display; step three, satellite flight status display; and step four, satellite body status display. According to the satellite on-orbit informationsimulation method based on the three-dimensional environment of the invention, influences of the satellite on-orbit environment are brought into a reference range, global status of satellite running is grasped, an effect of grasping satellite health situations by designers as a whole is facilitated, and problems of highly efficient and fast satellite on-orbit running monitoring and simulation aresolved.

The invention discloses a method for diagnosing large transactions and hotspot transactions of an Oracle database. In the operation process of an Oracle database application system, by relating the applications of the system with the database transactions, correlating an application layer with a database layer and monitoring the operation time and operation frequency of the transactions through an automatic monitoring way, the applications of large transactions and hotspot transactions are accurately positioned and started for the transactions reaching the threshold standard based on the established relation between the transactions and the application module; and the diagnosis of large transactions and hotspot transactions in an operation process of the Oracle database application system comprises the following specific steps: 1) configuring an application module identifier and an Oracle database transaction identifier, and setting a transaction threshold; 2) starting the work threads or processes of the database application system background, wherein the work threads or processes include a sampling thread or process, a screening thread or process and an alarm thread or process; 3) initializing a special database connection pool module, and establishing relation between the application layer and the database layer; and 4) performing transaction sampling, wherein a sampling thread periodically obtains the transaction time consumption information of the transaction identifier from the view of the Oracle database application system.

The invention relates to Chinese medical pulse condition diagnosis teaching equipment, in particular to a pulse condition simulation hand and a method for realizing pulse condition simulation thereof which are mainly used for clinical auxiliary diagnosis teaching in Chinese medical pulse feeling teaching and Chinese medical diagnostics experimental teaching. The device has an overall structure formed by a simulation hand, an oil pump, a singlechip, a hardware structure part and a hardware circuit control part. The method comprises the following steps of: pulse position adjustment, human blood circulation simulation, human pulse condition simulation, pulse condition output and the like. Related technical problems such as how to design an internal mechanical structure, how to implement the method for simulating a pulse condition and the like are mainly solved. The pulse condition simulation hand and the method for realizing the pulse condition simulation have the advantages that: a pulse condition simulation device which has a simple structure and a real true handfeel, and can assist in diagnosing, teaching and maintaining is provided; and the method can simulate the pulse conditions in three physical states such as a deep pulse, a floating pulse and a medium pulse, can simulate various concurrent pulses besides a single pulse condition, and has the characteristics of human-computer interface friendliness, convenience for operation and the like because of the addition of a color touch screen.

The invention provides a distributed training method and device of a model, equipment and a storage medium, and relates to the technical field of artificial intelligence, in particular to the fields of deep learning, cloud computing and the like. According to the specific implementation scheme, an initial segmentation strategy is generated based on a to-be-trained model; determining first attribute description information of the to-be-trained model under the initial segmentation strategy; the first attribute description information is used for representing at least one of the storage space occupation condition and the operation duration of the to-be-trained model under the initial segmentation strategy; based on the first attribute description information, optimizing the initial segmentation strategy to obtain a target segmentation strategy meeting a preset condition; and segmenting the to-be-trained model based on the target segmentation strategy to obtain a segmentation result, the segmentation result being used for performing distributed training on the to-be-trained model. According to the technology disclosed by the invention, for a distributed training scene of the model, the training time is shortened, the training efficiency is improved, and the training cost is reduced.

The invention relates to a digital twin-driven natural gas pipeline leakage recognition system, which belongs to a natural gas pipeline, and comprises a digital twin model construction module for constructing a digital twin model of the natural gas pipeline; the digital twinning model online updating module is used for adaptively updating the data of the physical information space and the structure and parameters of the digital twinning model online; the pipeline leakage recognition module is used for acquiring and preprocessing the sample data, judging whether a residual error between a predicted value of the digital twin model and a pipeline output actual value of the real-time data exceeds a residual error threshold value or not, and judging whether the real-time data is in a leakage working condition or not on the basis of the residual error threshold value; and the visualization module is used for displaying the pipeline physical information space data and the pipeline digital twinning body output data in real time, giving an alarm when pipeline leakage is identified, and configuring a corresponding emergency rescue scheme according to the leakage.

The invention discloses an aerobic and anaerobic integrated granule sludge reactor and a wastewater treatment method thereof, and belongs to the field of wastewater treatment. Aerobic granule sludge and anaerobic granule sludge are integrated into the same reactor, continuous flow operation of the granule sludge process is achieved, and the problem that the aerobic granule sludge is difficult to culture and prone to disintegration in the operation process is solved. In the wastewater treatment method, anaerobic granule sludge is added into the reactor in the start stage, aeration is carried out in the middle of the reactor, after a period of time, aerobic particles are formed in the upper portion of an aeration point, and anaerobic particles increased on the middle and lower portion in the operation process can enter an aerobic region on the upper portion and are gradually converted into aerobic particles. The concentration of dissolved oxygen in the aerobic region on the upper portion of the reactor is controlled to be 0.5-1.5 mg / L in the operation process, the pH value in the reactor is 7.8-8.0, and the reflux ratio is 50-200%. The device and method are capable of efficiently removing organic matter and nitrogen in sewage, and the device has the advantages of being small in occupied area, stable in operation, low in cost and the like.

The invention provides a vehicle terminal and an orderly charging method. The vehicle terminal comprises a central processing module as well as a vehicle positioning module, a battery management system data collection module, a data communication module and a charging request and charging pile position display module which are connected with the central processing module. With the adoption of the vehicle terminal, communication with an orderly charging guidance system can be realized, so that orderly guidance for vehicle charging is realized, the problem of overload operation or charging / battery swap resource waste of a charging / battery swap station due to imbalance of charging / battery swap load of the charging / battery swap station is solved, and the time-space efficiency rate of the charging / battery swap station is increased.

The invention relates to a combined type sensor, which belongs to the field of electric power measurements. The combined type sensor comprises a shell, and is characterized in that a V / I / v voltage sampling loop and an I / i current sampling loop are arranged on a measured high-voltage load conducting wire in the shell, and an output end of the V / I / v voltage sampling loop and an output end of the I / icurrent sampling loop are connected with a current interface and a voltage interface of an output interface of the shell respectively. The combined type sensor can acquire supplied weak current signals, supplies the signals to a measuring instrument of milliampere or microampere standard current signals and millivolts or microvolt standard voltage signals to perform measurement, can acquire the signals accurately, reduce the consumption, save the cost and prevent electric larceny, is save and stable, and is suitable for measuring the electric quantity of a high-voltage side.