A power group control optimization distribution management system based on intelligent elevator

Abstract

The present application relates to the technical fields of power group control optimization distribution management, and is used to solve the problems that the traditional elevator system not only has low operation efficiency but also has large energy consumption, and cannot adjust the elevator operation according to the actual situation, thereby causing long waiting time and increased energy consumption, and particularly discloses a power group control optimization distribution management system based on intelligent elevator, which comprises a data acquisition unit, a server, an elevator operation analysis unit, a personnel distribution analysis unit, a power consumption prediction analysis unit, a power distribution management unit, a control execution unit and a display terminal; through the cooperative work of each component, the present application realizes reasonable power distribution of each elevator according to the actual operation condition of the elevator, and improves the elevator operation efficiency and the reasonable utilization of power energy.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of power group control optimization distribution management, in particular to a power group control optimization distribution management system based on intelligent elevators. BACKGROUND

[0002] With the acceleration of urbanization and the increasing number of high-rise buildings, elevators have become an indispensable tool in modern buildings. However, in high-rise buildings, the traditional elevator operation system has the following problems:

[0003] Firstly, during peak hours, the number of people using elevators increases significantly. Due to the large number of floors, people need to wait for a long time to take the elevator. The traditional elevator system has low running efficiency and often cannot adjust the elevator running speed according to the actual situation, which not only wastes people's time but also brings inconvenience to people's life.

[0004] Secondly, elevators in high-rise buildings require a large amount of power to support operation. Due to the frequent operation of elevators, they are often in a high load state, resulting in high energy consumption. This not only increases the operating cost of the building but also has a certain impact on the environment.

[0005] In order to solve the above defects, the present application provides a technical solution. SUMMARY

[0006] The purpose of the present application is to solve the problem of low running efficiency and high energy consumption of traditional elevator systems, which cannot adjust the elevator operation according to the actual situation, resulting in long waiting time and increased energy consumption. A power group control optimization distribution management system based on intelligent elevators is proposed.

[0007] The purpose of the present application can be achieved by the following technical solution:

[0008] A power group control optimization distribution management system based on intelligent elevators, comprising: a data acquisition unit, a server, an elevator operation analysis unit, a personnel distribution analysis unit, a power consumption prediction analysis unit, a power distribution management unit, a control execution unit and a display terminal.

[0009] The data acquisition unit is used to collect elevator operation state information, elevator personnel distribution state information and elevator power consumption state information and transmit them to the corresponding elevator operation analysis unit, personnel distribution analysis unit and power consumption prediction analysis unit through the server.

[0010] The elevator operation analysis unit is used to monitor the elevator operation state information in the target area within a period of time, thereby analyzing and processing the elevator operation state in the target area within a period of time, obtaining the operation efficiency evaluation coefficient of the elevator, and sending the obtained operation efficiency evaluation coefficient of the elevator to the power distribution management unit;

[0011] The personnel distribution analysis unit is used to monitor the elevator personnel distribution state information in the target area within a period of time, thereby analyzing and processing the elevator personnel distribution state in the target area within a period of time, obtaining the personnel distribution state evaluation coefficient of the elevator, and sending the obtained personnel distribution state evaluation coefficient of the elevator to the power distribution management unit;

[0012] The power consumption prediction analysis unit is used to monitor the elevator power consumption state information in the target area within a period of time, thereby predicting and analyzing the elevator power consumption state in the target area within a period of time, obtaining the power consumption fluctuation coefficient of the elevator, and sending the obtained power consumption fluctuation coefficient of the elevator to the power distribution management unit

[0013] The power distribution management unit is used to receive the operation efficiency evaluation coefficient, the personnel distribution state evaluation coefficient, and the power consumption fluctuation coefficient of the elevator, thereby analyzing and processing the power demand of the elevator in the target area within a period of time, obtaining the power demand type signal, and sending it to the control execution unit, wherein the power demand type signal includes a first power demand signal, a second power demand signal, and a third power demand signal;

[0014] The control execution unit triggers the corresponding acceleration elevator operation speed instruction, the adjustment elevator operation mode instruction, and the stop elevator operation instruction according to the received power demand type signal, and performs the corresponding adjustment operation and displays the notification on the display terminal.

[0015] As a preferred embodiment of the present application, the elevator operation state in the target area within a period of time is analyzed and processed, and the specific operation process is as follows:

[0016] By real-time acquiring the running speed in the elevator operation state information in the target area within a period of time, taking time as the horizontal coordinate, taking the corresponding running speed of the corresponding time as the vertical coordinate, and thereby establishing the elevator running speed coordinate system and the elevator running speed broken line, the number of inflection points of the elevator running speed broken line on the elevator running speed coordinate system is counted and recorded as m1, and m1+1 unit segments are obtained. The slope value formed between each unit segment and the horizontal line is calculated, and the slope values of each unit segment are processed by mean value. According to the mean value formula: The running speed fluctuation value sd is obtained gWherein, k represents the slope value of unit line segment, g represents the number of each elevator, and g=1, 2, 3…n1, n1 represents the total number of elevator numbers;

[0017] By real-time acquisition of the number of starts to stops in the elevator running state information in a target area for a period of time, and marking it as the running number ys g ;

[0018] By real-time acquisition of the start-to-stop duration and the door opening-to-closing duration in the elevator running state information in a target area for a period of time, and marking them as the start-stop duration qt g and the opening-closing duration kg g , and extracting the values of the start-stop duration, the opening-closing duration and the running number for calculation and processing, according to the formula: yc g =(qt g +kg g )×ys g , the running duration yc g is obtained.

[0019] Extracting the values of the running speed fluctuation sd g , the running number ys g and the running duration yc g of the elevator in a target area for a period of time for normalization processing, according to the formula: The running efficiency evaluation coefficient YPZ of the elevator is obtained, wherein sd * , ys * and yc * respectively represent the reference speed fluctuation value, the reference running number and the reference running duration, λ1, λ2 and λ3 respectively represent the weight coefficients of the speed fluctuation degree, the running number degree and the running duration degree, and λ1>λ2>λ3.

[0020] As a preferred embodiment of the present application, the elevator personnel distribution state in a target area for a period of time is analyzed and processed, and the specific operation process is as follows:

[0021] By real-time acquisition of the elevator personnel distribution state information in a target area for a period of time, the image of the people in the elevator is obtained, the head capture frame recognition of the people in the elevator is performed, the area of the head capture frame is calculated, the area of the capture frame recognized in the image of the people is added to obtain the total frame area, and the total frame area is divided by the image area to obtain the density value.

[0022] The total number of people in the elevator in the real-time acquisition of the elevator personnel distribution state information in the target area for a period of time is obtained, and the number of people on each floor is extracted, a floor threshold is set, people greater than the floor threshold are marked as high-level personnel, and people less than or equal to the floor threshold are marked as low-level personnel, the number of high-level personnel and the number of low-level personnel are counted respectively, and the high number value and the low number value are marked respectively, and the high number value is divided by the low number value to obtain the high-low ratio value;

[0023] The time of people getting into the elevator and the time of people getting out of the elevator in the real-time acquisition of the elevator personnel distribution state information in the target area for a period of time are obtained, and the time of people getting into the elevator and the time of people getting out of the elevator are calculated by difference, to obtain the stay time;

[0024] The weight of the people in the real-time acquisition of the elevator personnel distribution state information in the target area for a period of time is obtained, a personnel weight threshold is set, when the personnel load is greater than the personnel weight threshold, it is determined to be overloaded, the number of overloads is counted, and it is marked as an overload frequency value;

[0025] The density value, the high-low ratio value, the stay time and the overload frequency value of the elevator personnel in the target area for a period of time are obtained, and they are marked as md g , gz g , ts g and cp g respectively, and the values of the density value, the high-low ratio value, the stay time and the overload frequency value are extracted for normalization processing, according to the formula: The personnel distribution state evaluation coefficient RYP of the elevator is obtained, wherein e represents a natural constant, η1, η2, η3 and η4 represent the proportion coefficients of the density value, the high-low ratio value, the stay time and the overload frequency value respectively, and η1>η2>η3>η4.

[0026] As a preferred embodiment of the present application, the elevator power consumption state in the target area for a period of time is predicted and analyzed, and the specific operation process is as follows:

[0027] The maximum current, the minimum current, the maximum voltage, the minimum voltage, the maximum power and the minimum power in the real-time acquisition of the elevator power consumption state information in the target area for a period of time are obtained, and they are marked as I g max , I g min , R g max , R g min , P g max and respectively, and the values of the six are extracted for normalization processing, according to the formula: The power evaluation value is obtained, wherein, and respectively represent average current, average voltage and average power, δ1, δ2 and δ3 respectively represent proportional coefficients of current variation degree, voltage variation degree and power variation degree, and δ1>δ2>δ3;

[0028] By monitoring the power evaluation value of each elevator in the target area for a period of time, and comparing and analyzing the power evaluation value of each elevator with the power evaluation threshold of each elevator, when the power evaluation value of each elevator is greater than the power evaluation threshold, the power state of the elevator is determined as over-consumption, otherwise, when the power evaluation value of each elevator is less than or equal to the power evaluation threshold, the power state of the elevator is determined as normal, the number of times that each elevator in the target area is determined as over-consumption for a period of time is counted, and it is divided by the total number of times that each elevator in the target area is determined for a period of time. According to the formula: the power consumption fluctuation coefficient XHZ of the elevator is obtained, wherein S 超 represents the number of times that each elevator in the target area is determined as over-consumption, and S 总 represents the total number of times that the power state of each elevator is determined in the target area for a period of time.

[0029] As a preferred embodiment of the present application, the power demand of the elevator in the target area for a period of time is analyzed and processed, and the specific operation process is as follows:

[0030] The values of the running efficiency evaluation coefficient YPZ, the personnel distribution state evaluation coefficient RYP and the power consumption fluctuation coefficient XHZ of the elevator are extracted for normalization processing, and the power demand evaluation determination coefficient DP of the elevator is obtained according to the formula: DP=YPZ×μ1+RYP×μ2+XHZ×μ3, wherein μ1, μ2 and μ3 respectively represent the weight coefficients of the running efficiency evaluation coefficient, the personnel distribution state evaluation coefficient and the power consumption fluctuation coefficient, and μ1>μ2>μ3;

[0031] Three gradient comparison intervals of the power demand evaluation determination coefficient of the elevator are set, which are the first gradient power demand interval DQJ1, the second gradient power demand interval DQJ2 and the second gradient power demand interval DQJ3, and DQJ1=ζDQJ2=2ζDQJ3, wherein DQJ1>DQJ2>DQJ3, ζ represents the multiple of the gradient, and the specific value of ζ is set by the person skilled in the art in the specific intelligent elevator power group control optimization distribution management instance;

[0032] When the power demand evaluation coefficient of the elevator is in the preset first gradient power demand interval, a first-level power demand signal is generated; when the power demand evaluation coefficient of the elevator is in the preset second gradient power demand interval, a second-level power demand signal is generated; and when the power demand evaluation coefficient of the elevator is in the preset third gradient power demand interval, a third-level power demand signal is generated.

[0033] As a preferred embodiment of the present application, according to the received power demand type signal, control execution processing is performed on the elevator in the target area within a period of time, and the specific operation steps are as follows:

[0034] According to the captured first-level power demand signal, an acceleration elevator running speed instruction is triggered, according to the triggered acceleration elevator running speed instruction, K1 order speed adjustment is performed on the running speed of the elevator, so as to improve the carrying efficiency of the elevator and display and notify on the display terminal;

[0035] According to the captured second-level power demand signal, an adjustment elevator running mode instruction is triggered, according to the triggered adjustment elevator running mode instruction, K2 order speed adjustment is performed on the running speed of the elevator and adjustment is performed on the stop floor of the elevator, so as to reduce unnecessary power consumption and display and notify on the display terminal;

[0036] According to the captured third-level power demand signal, a stop elevator running instruction is triggered, according to the triggered stop elevator running instruction, K3 order speed adjustment is performed on the running speed of the elevator and the elevator is stopped running, so as to reduce power consumption and display and notify on the display terminal.

[0037] Compared with the prior art, the present application has the following beneficial effects:

[0038] The present application monitors the elevator running state information, elevator personnel distribution state information and elevator power consumption state information in the target area within a period of time, analyzes and processes the elevator running state, elevator personnel distribution state and elevator power consumption state in the target area within a period of time, and generates corresponding evaluation coefficients according to the analysis results. These evaluation coefficients can objectively reflect the running efficiency, personnel distribution and power consumption of the elevator, so as to provide a reference for optimizing the operation management of the elevator and provide a data basis for the subsequent power demand determination of the elevator;

[0039] The evaluation coefficients generated according to the above analysis results are calculated and processed, the power demand of the elevator in the target area within a period of time is analyzed and processed, and a power demand type signal is generated, so as to realize the decision of power distribution according to the comprehensive evaluation results of each factor;

[0040] Through the received power demand type signal, the corresponding acceleration elevator running speed instruction, adjustment elevator running mode instruction and stop elevator running instruction are triggered, and the corresponding adjustment operation is carried out accordingly, the execution of these instructions will directly affect the running state of the elevator, so as to realize the efficient distribution of power, at the same time, the result of these adjustment operations will be displayed on the display terminal, which is convenient for the management personnel to understand and monitor the running state of the elevator in time. BRIEF DESCRIPTION OF DRAWINGS

[0041] In order to facilitate the understanding of those skilled in the art, the present application will be further described below in conjunction with the drawings;

[0042] Figure 1 The system total block diagram of the present application. DETAILED DESCRIPTION

[0043] The technical solutions of the present application will be described below in conjunction with the embodiments, obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the present application.

[0044] As Figure 1 shown, a power group control optimization distribution management system based on intelligent elevator, comprising: data acquisition unit, server, elevator running analysis unit, personnel distribution analysis unit, power consumption prediction analysis unit, power distribution management unit, control execution unit and display terminal;

[0045] It should be noted that the server is connected with the data acquisition unit, the elevator running analysis unit, the personnel distribution analysis unit and the power consumption prediction analysis unit respectively, the elevator running analysis unit is connected with the server and the power distribution management unit respectively, the personnel distribution analysis unit is connected with the server and the power distribution management unit respectively, the power consumption prediction analysis unit is connected with the server and the power distribution management unit respectively, the control execution unit is connected with the power distribution management unit and the display terminal respectively;

[0046] The data acquisition unit is used for collecting elevator running state information, elevator personnel distribution state information and elevator power consumption state information and transmitting to the corresponding elevator running analysis unit, personnel distribution analysis unit and power consumption prediction analysis unit through the server respectively;

[0047] It should be noted that the elevator running state information, the elevator personnel distribution state information and the elevator power consumption state information are acquired by the sensors and the intelligent cameras installed in the elevator, wherein the elevator running state information includes the running speed, the number of times of starting to stopping, the time length of starting to stopping and the time length of opening to closing, the elevator personnel distribution state information includes the image of the personnel in the elevator, the total number of the personnel in the elevator, the time of the personnel entering the elevator, the time of the personnel exiting the elevator and the weight of the personnel, and the elevator power consumption state information includes the maximum current, the minimum current, the maximum voltage, the minimum voltage, the maximum power and the minimum power;

[0048] The elevator running analysis unit is used for monitoring the elevator running state information in a target region in a period of time, thereby analyzing and processing the elevator running state in the target region in the period of time, and the specific operation process is as follows:

[0049] The running speed in the elevator running state information in a target region in a period of time is acquired in real time, the time is taken as the horizontal coordinate, the corresponding running speed of the corresponding time is taken as the vertical coordinate, and the elevator running speed coordinate system and the elevator running speed broken line are established according to this, the number of inflection points of the elevator running speed broken line on the elevator running speed coordinate system is counted and recorded as m1, and m1+1 unit line segments are obtained, the slope values formed between each unit line segment and the horizontal line are calculated, and the slope values of each unit line segment are processed by the mean value, according to the mean value formula: The running speed fluctuation value sd is obtained g , wherein k represents the slope value of the unit line segment, g represents the number of each elevator, and g=1, 2, 3……n1, n1 represents the total number of the elevator numbers;

[0050] It should be noted that a period of time is divided into n monitoring time points, and the n monitoring time points are t1, t2, t3……tn in turn, the running speed of the elevator at the t1 monitoring time point is s g 1, the running speed of the elevator at the t2 monitoring time point is s g 2, the running speed of the elevator at the t3 monitoring time point is s g 1, and s g 1<s g 2, then t1, t2 and t3 constitute an inflection point;

[0051] The running state of the elevator can be more intuitively understood by observing and analyzing the coordinate system graph of the elevator running speed in a target region in a period of time;

[0052] The number of times of starting to stopping in the elevator running state information in a target region in a period of time is acquired in real time, and is marked as the running number ys g ;

[0053] The starting-to-stopping time length and the door-opening-to-door-closing time length in the elevator running state information in the target area within a period of time are acquired in real time, and are marked as qt g and kg g respectively g The values of the starting-to-stopping time length, the door-opening-to-door-closing time length and the running times are extracted and calculated, and the running time length yc g is obtained according to the formula: g =(qt g +kg g )×ys g g g

[0054] The running speed fluctuation value sd * , the running times ys * and the running time length yc * of the elevator in the target area within a period of time are extracted and normalized, and the running efficiency evaluation coefficient YPZ of the elevator is obtained according to the formula: , wherein sd * , ys * and yc * represent the reference speed fluctuation value, the reference running times and the reference running time length respectively, λ1, λ2 and λ3 represent the weight coefficients of the speed fluctuation degree, the running times degree and the running time length degree respectively, and λ1>λ2>λ3, the weight coefficients are used to balance the proportion weight of each data in the formula calculation, so as to promote the accuracy of the calculation result;

[0055] The obtained running efficiency evaluation coefficient of the elevator is sent to the power distribution management unit;

[0056] The personnel distribution analysis unit is used to monitor the elevator personnel distribution state information in the target area within a period of time, so as to analyze and process the elevator personnel distribution state in the target area within a period of time, and the specific operation process is as follows:

[0057] The elevator personnel image in the elevator personnel distribution state information in the target area within a period of time is acquired in real time, the personnel head capture frame recognition is performed on the elevator personnel image, the area of the personnel head capture frame is calculated, the areas of the capture frames recognized in the personnel image are added to obtain the total frame area, and the density value is obtained by dividing the total frame area by the personnel image area;

[0058] The total number of personnel in the elevator in the elevator personnel distribution state information in the target area within a period of time is acquired in real time, and the number of personnel on each floor is extracted, a floor threshold is set, personnel greater than the floor threshold are marked as high-level personnel, and personnel less than or equal to the floor threshold are marked as low-level personnel, the number of high-level personnel and the number of low-level personnel are counted respectively, the high number value and the low number value are marked respectively, and the high-low proportion value is obtained by dividing the high number value by the low number value;

[0059] The time of the person getting into the elevator and the time of the person getting out of the elevator in the elevator personnel distribution state information in the target area within a period of time are obtained in real time, and the time of the person getting into the elevator and the time of the person getting out of the elevator are calculated by difference, to obtain the stay time;

[0060] The weight of the person in the elevator personnel distribution state information in the target area within a period of time is obtained in real time, a person weight threshold is set, when the person load weight is greater than the person weight threshold, it is determined to be overload, the number of overloads is counted, and it is marked as an overload frequency value;

[0061] The density value, the high-low ratio value, the stay time and the overload frequency value of the elevator personnel in the target area within a period of time are obtained, and they are respectively marked as md g , gz g , ts g and cp g , and the values of the density value, the high-low ratio value, the stay time and the overload frequency value are extracted for normalization processing, according to the formula: The personnel distribution state evaluation coefficient RYP of the elevator is obtained, wherein e represents a natural constant, η1, η2, η3 and η4 represent the proportion coefficients of the density value, the high-low ratio value, the stay time and the overload frequency value respectively, and η1>η2>η3>η4, the proportion coefficient is used to balance the proportion weight of each data in the formula calculation, so as to promote the accuracy of the calculation result;

[0062] The obtained personnel distribution state evaluation coefficient of the elevator is sent to the power distribution management unit;

[0063] The power consumption prediction analysis unit is used to monitor the elevator power consumption state information in the target area within a period of time, so as to predict and analyze the elevator power consumption state in the target area within a period of time. The specific operation process is as follows:

[0064] The maximum current, the minimum current, the maximum voltage, the minimum voltage, the maximum power and the minimum power in the elevator power consumption state information in the target area within a period of time are obtained in real time, and they are respectively marked as I g max , I g min , R g max , R g min , P g max and P g min , and the values of the six are extracted for normalization processing, according to the formula: The power evaluation value is obtained, wherein, and These are represented as average current, average voltage, and average power, respectively. δ1, δ2, and δ3 represent the proportionality coefficients of the degree of change in current, voltage, and power, respectively, with δ1 > δ2 > δ3. The proportionality coefficients are used to balance the weight of each data in the formula calculation, thereby improving the accuracy of the calculation results.

[0065] By monitoring the power consumption assessment value of each elevator within a target area over a period of time, and comparing each elevator's power consumption assessment value with its corresponding power consumption assessment threshold, the elevator's power status is determined to be over-consumption when its power consumption assessment value is greater than the threshold, and vice versa when its power consumption assessment value is less than or equal to the threshold. The number of times each elevator within the target area is determined to be over-consumption is counted over a period of time, and this number is divided by the total number of times each elevator within the target area is determined over a period of time, according to the formula: The power consumption fluctuation coefficient XHZ of the elevator is obtained, where S 超 S represents the sum of the number of times each elevator within a target area is deemed to be over-consumption over a certain period of time. 总 This represents the total number of times the power status of each elevator is determined within a target area over a given period of time.

[0066] The obtained power consumption fluctuation coefficient of the elevator is sent to the power distribution management unit;

[0067] The power distribution management unit receives elevator operating efficiency evaluation coefficients, personnel distribution status evaluation coefficients, and power consumption fluctuation coefficients. Based on this, it analyzes and processes the power demand of elevators within a target area over a specific period. The specific operation process is as follows:

[0068] The values ​​of elevator operating efficiency evaluation coefficient YPZ, personnel distribution status evaluation coefficient RYP, and power consumption fluctuation coefficient XHZ are extracted and normalized. According to the formula: DP=YPZ×μ1+RYP×μ2+XHZ×μ3, the elevator power demand evaluation judgment coefficient DP is obtained. Here, μ1, μ2, and μ3 represent the weight coefficients of the operating efficiency evaluation coefficient, personnel distribution status evaluation coefficient, and power consumption fluctuation coefficient, respectively, and μ1>μ2>μ3. The weight coefficients are used to balance the proportion of each data in the formula calculation, thereby promoting the accuracy of the calculation results.

[0069] Three gradient comparison intervals of the power demand evaluation judgment coefficient of the elevator are set, which are a first gradient power demand interval DQJ1, a second gradient power demand interval DQJ2 and a third gradient power demand interval DQJ3, and DQJ1=ζDQJ2=2ζDQJ3, wherein DQJ1>DQJ2>DQJ3, ζ represents the multiple of the gradient, and the specific value of ζ is set by a person skilled in the art in a specific intelligent elevator power group control optimization distribution management instance.

[0070] When the power demand evaluation judgment coefficient of the elevator is in the preset first gradient power demand interval DQJ1, a first-level power demand signal is generated, when the power demand evaluation judgment coefficient of the elevator is in the preset second gradient power demand interval DQJ2, a second-level power demand signal is generated, and when the power demand evaluation judgment coefficient of the elevator is in the preset third gradient power demand interval DQJ3, a third-level power demand signal is generated.

[0071] The generated power demand type signal is sent to a control execution unit, wherein the power demand type signal includes the first-level power demand signal, the second-level power demand signal and the third-level power demand signal.

[0072] The control execution unit is used to receive the power demand type signal, thereby performing control execution processing on the elevator in a target area for a period of time, and the specific operation steps are as follows:

[0073] According to the captured first-level power demand signal, an acceleration elevator running speed instruction is triggered, according to the triggered acceleration elevator running speed instruction, the running speed of the elevator is adjusted by K1 order speed, so as to improve the carrying efficiency of the elevator and display and notify on the display terminal;

[0074] According to the captured second-level power demand signal, an adjustment elevator running mode instruction is triggered, according to the triggered adjustment elevator running mode instruction, the running speed of the elevator is adjusted by K2 order speed and the stop floor of the elevator is adjusted, so as to reduce unnecessary power consumption and display and notify on the display terminal;

[0075] According to the captured third-level power demand signal, a stop elevator running instruction is triggered, according to the triggered stop elevator running instruction, the running speed of the elevator is adjusted by K3 order speed and the elevator is stopped running, so as to reduce power consumption and display and notify on the display terminal.

[0076] It should be noted that K1 order speed>K2 order speed>K3 order speed.

[0077] The preferred embodiments of the application disclosed above are only to facilitate the elucidation of the application. The preferred embodiments do not describe all the details of the application and limit the application to the specific embodiments. Obviously, many modifications and variations can be made in light of the teachings above. The description is chosen and described in order to provide the best illustration of the application and its practical application to those skilled in the art and to enable those skilled in the art to best utilize the application. The application is limited only by the claims and their full scope and equivalents.

Claims

1. A power group control optimization distribution management system based on intelligent elevator, comprising a data acquisition unit, a server and a display terminal, characterized in that, The elevator operation analysis unit, the personnel distribution analysis unit, the power consumption prediction analysis unit, the power distribution management unit and the control execution unit are further included; The data acquisition unit is used for collecting elevator operation state information, elevator personnel distribution state information and elevator power consumption state information and transmitting them to the corresponding elevator operation analysis unit, personnel distribution analysis unit and power consumption prediction analysis unit through the server respectively; The elevator operation analysis unit is used for monitoring the elevator operation state information in a target area within a period of time, thereby analyzing and processing the elevator operation state in the target area within the period of time, obtaining an elevator operation efficiency evaluation coefficient, and sending the obtained elevator operation efficiency evaluation coefficient to the power distribution management unit; The personnel distribution analysis unit is used for monitoring the elevator personnel distribution state information in a target area within a period of time, thereby analyzing and processing the elevator personnel distribution state in the target area within the period of time, obtaining a personnel distribution state evaluation coefficient of the elevator, and sending the obtained personnel distribution state evaluation coefficient of the elevator to the power distribution management unit; The power consumption prediction analysis unit is used for monitoring the elevator power consumption state information in a target area within a period of time, thereby performing prediction analysis on the elevator power consumption state in the target area within the period of time, obtaining a power consumption fluctuation coefficient of the elevator, and sending the obtained power consumption fluctuation coefficient of the elevator to the power distribution management unit. The power distribution management unit is used for receiving the operation efficiency evaluation coefficient, the personnel distribution state evaluation coefficient and the power consumption fluctuation coefficient, thereby analyzing and processing the power demand of the elevator in a target area within a period of time, obtaining a power demand type signal, and sending it to the control execution unit, wherein the power demand type signal includes a first-level power demand signal, a second-level power demand signal and a third-level power demand signal. The control execution unit triggers corresponding acceleration elevator operation speed instructions, adjustment elevator operation mode instructions and stop elevator operation instructions according to the received power demand type signal, and performs corresponding adjustment operations and displays and notifies on the display terminal.

2. The power group control optimization distribution management system based on intelligent elevator according to claim 1, characterized in that, The specific operation process of analyzing and processing the elevator operation state in a target area within a period of time is as follows: By real-time acquisition of a period of time in the target area of elevator running state information in the running speed, with time as the horizontal coordinate, with the corresponding running speed as the vertical coordinate, and according to the establishment of elevator running speed coordinate system and elevator running speed broken line, statistics elevator running speed broken line on the coordinate system of elevator running speed inflection point number, and it is recorded as m1, and get m1+1 unit segment, calculate the slope value between each unit segment and the horizontal line, and the slope value of each unit segment is processed by mean value, according to the mean value formula: Get running speed fluctuation value sd g Wherein, k represents the slope value of unit segment, g represents the number of each elevator, and g=1, 2, 3……n1, n1 represents the total number of elevator number; The number of times of starting to stopping in the elevator operation state information in a target region for a period of time is acquired in real time, and is marked as the number of times of operation ys g ; By real-time acquisition of the time length from start to stop and the time length from opening to closing in the elevator running state information in a target area for a period of time, and marking them as start-stop time length qt g and opening-closing time length kg g , the numerical values of the start-stop time length, the opening-closing time length and the running times are extracted and calculated, and the running time length yc g is obtained according to the formula: yc g =(qt g +kg g )×ys g ​ extracting a value of a speed fluctuation sd of the elevator in the target area for a period of time g , a number of operations ys g , and a length of operation yc g , normalizing the values, and obtaining an evaluation coefficient YPZ of the operation efficiency of the elevator according to the formula: , wherein sd * , ys * , and yc * represent a reference speed fluctuation value, a reference number of operations, and a reference length of operation, respectively, and λ1, λ2, and λ3 represent weight coefficients for the degree of speed fluctuation, the degree of number of operations, and the degree of length of operation, respectively, and λ1>λ2>λ3.

3. The power group control optimization distribution management system based on intelligent elevator according to claim 1, characterized in that, The specific operation process of analyzing and processing the elevator personnel distribution state in a target area within a period of time is as follows: The elevator personnel distribution state information in a target area within a period of time is obtained in real time, the personnel head capture frame recognition is performed on the personnel image in the elevator, the area of the personnel head capture frame is calculated, the areas of the capture frames recognized in the personnel image are added to obtain a total frame area, and the total frame area is divided by the area of the personnel image to obtain a density value. The total number of people in the elevator in the real-time acquisition of the elevator personnel distribution state information in the target area for a period of time is obtained, and the number of people on each floor is extracted. The floor threshold is set, the number of people greater than the floor threshold is marked as high-level personnel, and the number of people less than or equal to the floor threshold is marked as low-level personnel. The number of high-level personnel and the number of low-level personnel are counted respectively, and they are marked as high quantity value and low quantity value respectively. The high quantity value is divided by the low quantity value to obtain the high-low ratio value; The time of people getting into the elevator and the time of people getting out of the elevator in the real-time acquisition of the elevator personnel distribution state information in the target area for a period of time are obtained, and the difference between the time of people getting into the elevator and the time of people getting out of the elevator is calculated to obtain the stay time; The weight of the people in the real-time acquisition of the elevator personnel distribution state information in the target area for a period of time is obtained. When the weight of the people is greater than the weight threshold, it is determined to be overloaded. The number of overloads is counted and marked as overload frequency value. The density value, high-low ratio value, stay time and overload frequency value of the elevator personnel in the target area for a period of time are obtained and normalized to obtain the elevator personnel distribution state evaluation coefficient.

4. The power group control optimization distribution management system based on intelligent elevator according to claim 1, characterized in that, The elevator power consumption state in the target area for a period of time is predicted and analyzed, and the specific operation process is as follows: The maximum current, minimum current, maximum voltage, minimum voltage, maximum power and minimum power in the real-time acquisition of the elevator power consumption state information in the target area for a period of time are obtained and normalized to obtain the power evaluation value; The power evaluation value of each elevator in the target area for a period of time is monitored, and the power evaluation value of each elevator is compared with the power evaluation threshold of each elevator. When the power evaluation value of each elevator is greater than the power evaluation threshold, the power state of the elevator is determined to be over-consumed. Otherwise, when the power evaluation value of each elevator is less than or equal to the power evaluation threshold, the power state of the elevator is determined to be normal. The number of times that each elevator in the target area for a period of time is determined to be over-consumed is counted, and the total number of times that each elevator in the target area for a period of time is determined is divided to obtain the power consumption fluctuation coefficient of the elevator.

5. The power group control optimization distribution management system based on intelligent elevator according to claim 1, characterized in that, The power demand of the elevator in the target area for a period of time is analyzed, and the specific operation process is as follows: The values of the running efficiency evaluation coefficient, the personnel distribution state evaluation coefficient and the power consumption fluctuation coefficient of the elevator are extracted and normalized to obtain the power demand evaluation determination coefficient of the elevator; Three gradient comparison intervals of the power demand evaluation determination coefficient of the elevator are set, which are the first gradient power demand interval, the second gradient power demand interval and the second gradient power demand interval; When the power demand evaluation determination coefficient of the elevator is in the preset first gradient power demand interval, a first-level power demand signal is generated. When the power demand evaluation determination coefficient of the elevator is in the preset second gradient power demand interval, a second-level power demand signal is generated. When the power demand evaluation determination coefficient of the elevator is in the preset third gradient power demand interval, a third-level power demand signal is generated.

6. The intelligent elevator based power group control optimized distribution management system as claimed in claim 1 wherein, According to the received power demand type signal, a control execution process is performed on the elevators in the target area for a period of time, and the specific operation steps are as follows: According to the captured first-level power demand signal, an acceleration elevator running speed instruction is triggered, according to the triggered acceleration elevator running speed instruction, the running speed of the elevator is adjusted by K1 order speed, so as to improve the carrying efficiency of the elevator and display and notify on the display terminal; According to the captured second-level power demand signal, an adjustment elevator running mode instruction is triggered, according to the triggered adjustment elevator running mode instruction, the running speed of the elevator is adjusted by K2 order speed and the stop floor of the elevator is adjusted, so as to reduce unnecessary power consumption and display and notify on the display terminal; According to the captured third-level power demand signal, a stop elevator running instruction is triggered, according to the triggered stop elevator running instruction, the running speed of the elevator is adjusted by K3 order speed and the elevator is stopped running, so as to reduce power consumption and display and notify on the display terminal.

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