CN116582979A - Lamp scene control method and system for sensing state of electronic teaching screen - Google Patents

Lamp scene control method and system for sensing state of electronic teaching screen Download PDF

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Publication number
CN116582979A
CN116582979A CN202310415257.2A CN202310415257A CN116582979A CN 116582979 A CN116582979 A CN 116582979A CN 202310415257 A CN202310415257 A CN 202310415257A CN 116582979 A CN116582979 A CN 116582979A
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lamp
node
signal
mode
sensing
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区志杨
岑健林
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Foshan Huaquan Technology Co ltd
Guangdong Cnl Optoelectronics Technology Co ltd
FOSHAN HUAQUAN ELECTRICAL LIGHTING CO LTD
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Foshan Huaquan Technology Co ltd
Guangdong Cnl Optoelectronics Technology Co ltd
FOSHAN HUAQUAN ELECTRICAL LIGHTING CO LTD
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Priority to CN202310415257.2A priority Critical patent/CN116582979A/en
Publication of CN116582979A publication Critical patent/CN116582979A/en
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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/105—Controlling the light source in response to determined parameters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
    • F21V23/0442—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
    • F21V23/0442—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors
    • F21V23/0464—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors the sensor sensing the level of ambient illumination, e.g. dawn or dusk sensors
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F18/00—Pattern recognition
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F18/00—Pattern recognition
    • G06F18/10—Pre-processing; Data cleansing
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/18—Status alarms
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/105—Controlling the light source in response to determined parameters
    • H05B47/11—Controlling the light source in response to determined parameters by determining the brightness or colour temperature of ambient light
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/155—Coordinated control of two or more light sources
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/16—Controlling the light source by timing means
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/165—Controlling the light source following a pre-assigned programmed sequence; Logic control [LC]
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/17—Operational modes, e.g. switching from manual to automatic mode or prohibiting specific operations
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/175—Controlling the light source by remote control
    • H05B47/19—Controlling the light source by remote control via wireless transmission
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/20—Responsive to malfunctions or to light source life; for protection
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2218/00—Aspects of pattern recognition specially adapted for signal processing
    • G06F2218/12—Classification; Matching
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
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    • Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection

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Abstract

The application belongs to the technical field of intelligent control and automatic identification, and discloses a lamp scene control method for sensing the state of an electronic teaching screen.A marginal control panel with a network is configured in each classroom or multifunctional room, and the marginal control panel takes a single classroom or multifunctional room as a unit to serve as a marginal manager of a lamp tube control system; the equipment in the environment is identified and communicated to obtain the working state of the equipment, finally, the brightness of the environment is regulated and controlled according to the working state, and the indoor illumination brightness is automatically regulated by automatically identifying the running state of each equipment in the environment, so that the indoor illumination can be accurately controlled, and a healthy environment is provided for indoor work or study.

Description

Lamp scene control method and system for sensing state of electronic teaching screen
Technical Field
The application belongs to the technical field of intelligent control and automatic identification, and particularly relates to a lamp scene control method and system for sensing the state of an electronic teaching screen.
Background
Along with the development of science and technology, electronic products are integrated into all corners in life, so that the work and life of human beings are greatly facilitated. The education and scientific research fields of society are paid unprecedented importance nowadays, the science and health in the teaching environment are repeatedly brought to social public opinion, the convenience and the comfort of the teaching environment are improved through the science and technology, the health of all parties in the process of evidence work and study is guaranteed effectively, and the method is called for in the current society.
However, in a classroom where an electronic teaching screen is arranged, the electronic teaching screen is used in various ways, and the lamps are generally not used for being intelligently matched with the electronic teaching screen, so that the lamplight control in the classroom always needs to be performed mechanically, and meanwhile, the lamps are switched on and off mechanically by people, so that eyes of all people in the classroom are tired in the process of adapting to the change of the brightness in the classroom, and the working efficiency and the education efficiency of the classroom are not facilitated. Further, the brightness of the electronic teaching screen directly affects the illumination of each position in the classroom, and the distance and angle between each position in the classroom and the projection position of the teaching screen are different, so that the illumination of each desk is not synchronous. If the illumination of the desk is not synchronous, the identification or the recognition of colors or colors on the operation or study of the desk user is easily influenced, the operation performance of the desk user is influenced, and the fairness among the desk users is not facilitated.
Disclosure of Invention
The application aims to provide a lamp scene control method and a lamp scene control system for sensing the state of an electronic teaching screen, which are used for solving one or more technical problems in the prior art and at least providing a beneficial selection or creation condition.
To achieve the above object, according to an aspect of the present application, there is provided a lamp scene control method for sensing a state of an electronic teaching screen, the method comprising the steps of:
acquiring a first signal;
obtaining a lighting mode according to the first signal;
the lamp is adjusted by a lighting mode.
Further, the method for acquiring the first signal is as follows: the method comprises the steps of taking a single classroom or a multifunctional room as a unit, configuring an edge control panel provided with an ad hoc network for each classroom or multifunctional room, taking the classroom or the multifunctional room as a unit, taking the edge control panel as an edge manager of a lamp control system in the unit, arranging a control and management program in the edge control panel to realize the identification of equipment, the identification of equipment attribute, the identification of equipment position and function, the equipment networking, the grouping and binding control of lamp control equipment on lamps and blackboard lamps of the classroom or the multifunctional room, the grouping and binding control of lamp control equipment on curtains of the classroom, executing the functions of each control mode and lighting scene, measuring the state of the equipment, initializing the equipment and the like.
Further, the method for acquiring the first signal is as follows: the electronic teaching screen device is perceived to comprise an electric energy sensor, the electronic teaching screen device is perceived to measure the change of the electric energy of the electronic teaching screen device through the electric energy sensor to judge whether the electronic teaching screen device is in a working state or a closing state, and a result obtained through judgment is used as a first signal; the first signal includes a start signal and a shut down signal, and is transmitted to the indoor light control management system through the ad hoc network.
However, the first signal information amount acquired by judging whether the electronic teaching screen equipment is in the working state is thin, and the working content or form of the electronic teaching screen cannot be identified.
In order to further identify the content or the form of the work of the electronic teaching screen, preferably, a desk in a classroom is used as an operation node, and an illuminating lamp in the classroom is used as a dispatching node; the method for acquiring the first signal comprises the steps that the number of illuminating lamps in a classroom is LN, the number of desks in the classroom is DN, each desk in the classroom is provided with an illumination sensor, and the illumination sensor measures the illumination ILLM of the current desk position in real time; meanwhile, each desk is provided with a range finder, and the range finder measures the linear distance DLDS from the desk to an illuminating lamp in real time; the distance from the distance meter on the desk to the ground is a first height value Fht, and the distance from the illuminating lamp to the ground is a second height value Sht; a first impact value FIV of a scheduling node and a job node is calculated,combining the first influence values of a working node to form a sequence as the first influence sequence FILs of the working node, FILs= [ FIV ] i1 ]，i1∈[1，LN]Wherein i1 is a scheduling node sequence number, and is FIV i1 Representing a first influence value between the operation node and the i1 th scheduling node, calculating to obtain a first perceived quantity FSSV,>wherein FILs (i 2) represent the i2 element in the first influencing sequence, i2 being an accumulated variable; FSSV and FILs are formed into one tuple as the first signal FSgl, and the first signal FSgl is periodically measured and obtained.
Further, the method for obtaining the lighting mode according to the first signal is as follows: the lighting mode comprises a first mode and a second mode; after the first signal is received by the device system of the perception electronic teaching screen equipment, judging the obtained first signal, and executing a first mode if the first signal is a starting signal, wherein the first mode is a screen display mode; if the first signal is a closing signal, executing a second mode, wherein the second mode comprises other modes such as a lesson mode and the like; when the arithmetic average value of the FSSV of each FSgl at the same moment is larger than the median of the FSSV of each FSgl, the first signal is a start signal, otherwise, the first signal is a close signal;
however, the first signal obtaining lighting mode has low analysis level of the lamplight, and can only analyze according to the switch of the electronic teaching screen device, but can not identify the content or the form of the work of the electronic teaching screen, and in order to further identify the content or the form of the work of the electronic teaching screen, the method for obtaining the lighting mode according to the first signal can also be as follows: the method for obtaining the lighting mode according to the first signal comprises the steps of after a first signal FSgl is obtained by an operation node, identifying a first element in the first signal FSgl as a first sensing quantity FSSV at the current moment, and calculating each FSSV of each operation node in tzone to form a first sensing sequence fvlst, wherein tzone is a sensing period, and the tzone value range is [10s,60s ]; when the median of the first sensing sequence is larger than the arithmetic mean of the first sensing sequence, the operation node is considered to be in a sensing overflow state, otherwise, the operation node is in a sensing normal state; when each operation node is in a perceived overflow state, the lighting mode is a film watching mode, otherwise, the lighting mode is an informing mode; the method can identify the working form of the electronic teaching screen sharply, comprehensively identify whether the played content is still content or video form content by measuring the change of the released content of the electronic teaching screen, identify and avoid non-video illumination floating factors simply caused by picture skip or transition, strengthen the feasibility of type play identification of the video, and have high resolution speed and high accuracy.
Preferably, in order to further identify and avoid non-video luminance floating factors simply caused by picture skip or transition, the method of enhancing video is type play identification feasibility, and the method of obtaining the lighting mode according to the first signal may further be: after the operation node obtains the first signal FSgl, the first element in the first signal FSgl is identified as a first sensing quantity FSSV at the current moment; calculating to obtain a perception difference DFSS at the current moment, wherein dfss=fssv-FSSV ', and FSSV' is a first perception amount obtained at the last moment of the operation node; a Boolean variable is set as a floating tag fflg for each moment, and the method is as follows: when the perception difference DFSS obtained at one moment is less than 0, assigning TRUE for the floating tag fflg at the moment; when the perception difference DFSS obtained at one moment is more than 0, assigning FALSE to the floating label fflg at the moment; when the perceived difference dfss=0 obtained at a moment, the floating tag at the moment is used as the floating tag at the last moment;
to float the tag fflg from the last n1 moments or the current moment n1 Initially, the query of the floating tag fflg' at the last moment is iteratively repeated until the floating tag fflg at the last n2 moments is obtained n2 Meets the fflg n2 ≠fflg n1 The method comprises the steps of taking the last n1 moments as iteration starting points, taking the last n2 moments as iteration ending points, taking n2 as output values of the iteration query model, and taking the output value of the last operation iteration query model as the iteration starting point if the iteration query model is not described when being called;
the current moment is used as an iteration starting point to call an iteration query model, the obtained output value is a first closed moment tn1, then the iteration query model is called by taking the above tn1 moments as the iteration starting point, the obtained output value is a second closed moment tn2, and the FSSV is used tn1 And FSSV tn2 The interval formed by two values is used as a first closed interval, wherein FSSV tn1 And FSSV tn2 Representing first perceived amounts at the last tn1 time and the last tn2 time, respectively; repeatedly and circularly calling an iterative query model, wherein the obtained output value is tnk, and the first perception quantity at the upper tnk moments is FSSV tnk If FSSV tnk If the value of (2) exceeds the first closed interval, jumping out of the circulation, otherwise continuing the circulation; calculating to obtain a first equilibrium length FPerd, fperd=tnk '-tn1, where tnk' represents the output value obtained when the loop is skipped; obtaining FSSV tnk’ Calculating to obtain a perceived sudden change rate DSV,
calculating and obtaining a perceived sudden change rate DSV and a first equilibrium length FPerd for each operation node respectively; the maximum value of the perceived sudden change rate DSV of each operation node is taken as the sudden change base quantity DSV st Calculating to obtain a second equilibrium length SPerd,
where i3 and i4 are both accumulation variables, DSV i3 And DSV i4 Respectively representing the sudden change rates of the ith 3 operation node and the ith 4 operation node; the number of floating labels of the nearest SPerd moment of an operation node is flgT, the number of floating labels of the nearest SPerd moment of the operation node is flgF, if the floating label of the operation node at one moment is TRUE, the floating parameter value at the moment is rt=flgT/SPerd, otherwise, the floating parameter value at the moment is rt=flgF/SPerd; a second perceived quantity SSSV at the present moment is calculated for each of the job nodes,
where i5 is the accumulation variable, rt i5 Represents the floating parameter at time i5, mrt (FSSV) is a logistic regression function, mrt (FSSV) = (1/1+e) FSSV ) -1 The method comprises the steps of carrying out a first treatment on the surface of the And setting a model as a mode screening device, wherein if all the operation nodes meet SSSV not less than SSSV', the lighting mode is a film watching mode, otherwise, the lighting mode is a speaking mode.
Preferably, the method for adjusting the lamp in the over-lighting mode is that if the lighting mode is a film watching mode, each scheduling node is controlled to be gradually and smoothly extinguished in clpsd time, a period of time is set as a smooth light-off time clpsd, and the value range is between [1s,5s ]; if the lighting mode is the declaring mode, performing illumination anomaly identification on each scheduling node by calculating the responsivity of the scheduling node;
the method for calculating the responsivity of the dispatching node comprises the steps of obtaining a first signal FSgl from each operation node and a first influence sequence FILs from the first signal, combining the first influence sequences FILs into a sequence, and sequencing from large to small as a second influence sequence SILS, wherein SILS= [ FIV ] m4 ]Wherein m4 is the sequence number of the first influence magnitude, m 4E [1, LN x DN]，FIV m4 The m4 th first influence magnitude; calculating a response domain threshold argDr:
argDr＝SILs(m5),if SILs(m5)＝max{SILs(m5)-SILs(m5+1)}
wherein m5 is the sequence number of the first influence magnitude, m5 epsilon [1, LN x DN-1], max { } is the maximum function, SILs (m 5) represent the m5 th element in the SILs;
acquiring a first influence value FIV between one scheduling node and each job node, and calculating an acquisition response FSED by taking the number of elements with the numerical value larger than argDr in each element as a first maximum trend value bgrn, wherein the responsivity FSED (LT 3) of the LT3 scheduling node is as follows:wherein m6 is an accumulated variable, FIV m6 Representing a first impact magnitude between a scheduling node and an mth 6 job node;
the existing intelligent lighting system can intelligently adjust the lights, but can not identify or identify the balance of the lights in each area in the intelligent dimming system, and because the lights in each area have a cross effect, the lights which affect the illuminance or brightness balance output in the area are not easy to identify.
In order to further identify the balance of the lighting effect, the method for calculating the responsivity of the scheduling node can also be that a first signal FSgl is obtained from each operation node and a first influencing sequence FILs is obtained from the first signal, and the domain concentration degree CTD between every two operation nodes is calculated; wherein the aggregation domain degree between DK1 and DK2 operation nodes is CTD (DK 1, DK 2):
wherein m1 is the sequence number of the scheduling node, FILs DK1 (m 1) and FILs DK2 (m 1) represents the m1 st element in the first influence sequence of the DK1 st job node and DK2 nd job node, respectively; mFIL DK1 And mFIL DK2 Represents the median of the first influencing sequences of the DK 1-th and DK 2-th job nodes, respectively; calculating an arithmetic average value of all the obtained aggregation domains to serve as a first aggregation domain threshold FDr; combining the first influencing sequences FILs of all the operation nodes, and establishing a matrix by taking the FILs of one operation node as a row as an operation scene WPST;
a second impact value SIV (LT 1, DK 3) of a dispatching node LT1 and a job node DK3 is calculated,
wherein m2 is an accumulated variable, WPST (LT 1, DK 3) represents an LT1 element of DK3 row of a working field state, pZ (LT 1, DK 3) is a aggregation domain index, and the calculation method of pZ (LT 1, DK 3) is that pZ (LT 1, DK 3) =cntT/DN; wherein the method comprises the steps of
Taking a sequence formed by arranging elements except DK3 in WPST LT1 from large to small as a first calculation column zFMD of a aggregation domain; starting from the operation node corresponding to the first element of zFMD, performing domain-returning judgment operation until the result obtained by the domain-returning judgment operation is FALSE, wherein the number of the obtained domain-returning judgment operation results is TRUE; the domain-returning judging operation method is that CTD (DK 3, cp 1) is used for representing the aggregation degree between an operation node corresponding to DK3 element in LT1 column of WPST and another operation node cp1 to be used for domain-returning judging operation, if CTD (DK 3, cp 1) is not less than FDr, the domain-returning judging operation result is TRUE, otherwise, FALSE;
the scheduling node calculates responsiveness FSED according to the second impact magnitude SIV, wherein responsiveness FSED (LT 2) of the LT 2-th scheduling node is:
where m3 is an accumulated variable, SIV (LT 2, m 3) represents a second impact magnitude between the scheduling node LT2 and the m3 th job node;
the method for identifying the illuminance abnormality comprises the following steps: after the responsivity of the dispatching node is obtained, taking a time period as a balance observation window tk, wherein the tk takes a value within 5s-10 s; and obtaining the responsivity of each dispatching node in real time, if the responsivity of one dispatching node is always the minimum value in the responsivity of all dispatching nodes within tk, increasing the fault risk of the lighting lamp corresponding to the dispatching node, and sending the corresponding serial number of the lighting lamp to the client of the manager.
The beneficial effects of the application are as follows: the application provides a lamp scene control method and a system for sensing the state of an electronic teaching screen, which can accurately control indoor illumination and provide a healthy environment for indoor work or study by automatically identifying the running condition of each device in the environment and automatically adjusting indoor illumination brightness under the condition of no human intervention. The method is used for identifying the working form of the electronic teaching screen sharply, comprehensively identifying whether the played content is still content or video form content by measuring the change of the released content of the electronic teaching screen, identifying and avoiding non-video illumination floating factors simply caused by picture skip or transition, and enhancing the feasibility of video type playing identification. Meanwhile, the lighting effect of the lamp is accurately monitored, and the uniform or balanced lighting effect can be provided for each lamp in the working process.
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The above and other features of the present application will become more apparent from the detailed description of the embodiments thereof given in conjunction with the accompanying drawings, in which like reference characters designate like or similar elements, and it is apparent that the drawings in the following description are merely some examples of the present application, and other drawings may be obtained from these drawings without inventive effort to those of ordinary skill in the art, in which:
fig. 1 is a flow chart of a lamp scene control method for sensing the state of an electronic teaching screen.
Detailed Description
The conception, specific structure, and technical effects produced by the present application will be clearly and completely described below with reference to the embodiments and the drawings to fully understand the objects, aspects, and effects of the present application. It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other.
Referring to fig. 1, which is a flowchart illustrating a method for controlling a lamp scene for sensing a state of an electronic teaching screen, a method for controlling a lamp scene for sensing a state of an electronic teaching screen according to an embodiment of the present application will be described with reference to fig. 1, and the method includes the following steps:
to achieve the above object, according to an aspect of the present application, there is provided a lamp scene control method for sensing a state of an electronic teaching screen, the method comprising the steps of:
acquiring a first signal;
obtaining a lighting mode according to the first signal;
the lamp is adjusted by a lighting mode.
Further, the method for acquiring the first signal is as follows: the method comprises the steps of taking a single classroom or a multifunctional room as a unit, configuring an edge control panel provided with an ad hoc network in each classroom or multifunctional room, taking the classroom or the multifunctional room as a unit, taking the edge control panel as an edge manager of a lamp control system in the unit, arranging a control and management program in the edge control panel to realize the identification of equipment, the identification of equipment attribute, the identification of equipment position and function, the equipment networking, the grouping and binding control of lamp control equipment on classroom or multifunctional room lamps and blackboard lamps, the grouping and binding control of lamp control equipment on classroom curtains, executing the functions of each control mode and lighting scene, measuring the state of equipment, initializing the equipment and the like.
Further, the method for acquiring the first signal is as follows: the electronic teaching screen device is perceived to comprise an electric energy sensor, the electronic teaching screen device is perceived to measure the change of the electric energy of the electronic teaching screen device through the electric energy sensor to judge whether the electronic teaching screen device is in a working state or a closing state, and a result obtained through judgment is used as a first signal; the first signal includes a start signal and a shut down signal, and is transmitted to the indoor light control management system through the ad hoc network.
Further, the method for obtaining the lighting mode according to the first signal is as follows: the lighting mode comprises a first mode and a second mode; after the first signal is received by the device system of the perception electronic teaching screen equipment, judging the obtained first signal, and executing a first mode if the first signal is a starting signal, wherein the first mode is a screen display mode; and if the first signal is a closing signal, executing a second mode, wherein the second mode comprises other modes such as a lesson mode and the like.
Further, the specific steps of adjusting the lamp by the lighting mode are as follows: if the lighting mode is a screen display mode, the blackboard lamp or the classroom lighting lamp is turned off or dimmed, and/or the curtain is adjusted or turned off, so that the indoor brightness is reasonable; when the lighting mode is a screen display mode, the mode can be switched to a lesson mode or other modes through an edge control panel or a remote controller.
Further, the specific steps of adjusting the lamp by the lighting mode are as follows: if the lighting mode is the teaching mode, turning on a blackboard lamp or a classroom lighting lamp of a classroom, and increasing the output brightness to a preset brightness value.
Preferably, the first signal is acquiredThe method comprises the steps that the number of illuminating lamps in a classroom is LN, the number of desks in the classroom is DN, each desk in the classroom is provided with an illumination sensor, and the illumination sensor measures the illumination ILLM of the current position of the desk in real time; meanwhile, each desk is provided with a range finder, and the range finder measures the linear distance DLDS from the desk to an illuminating lamp in real time; the distance from the distance meter on the desk to the ground is a first height value Fht, and the distance from the illuminating lamp to the ground is a second height value Sht; taking a desk in a classroom as an operation node, taking a lighting lamp in the classroom as a dispatching node, calculating to obtain a first influence value FIV of the dispatching node and the operation node,combining the first influence values of a working node to form a sequence as the first influence sequence FILs of the working node, FILs= [ FIV ] i1 ]，i1∈[1，LN]Wherein i1 is a scheduling node sequence number, and is FIV i1 Representing a first influence value between the operation node and the i1 th scheduling node, calculating to obtain a first perceived quantity FSSV,>wherein FILs (i 2) represent the i2 element in the first influencing sequence, i2 being an accumulated variable; the FSSV and the FILs are formed into one tuple as the first signal FSgl, and the first signal FSgl is periodically measured and obtained.
Preferably, after the first signal FSgl is obtained by the operation node, identifying a first element in the first signal FSgl as a first sensing quantity FSSV at the current moment, and calculating each FSSV of each operation node in tzen to form a first sensing sequence fvlst, wherein tzen is a sensing period, and the value range of tzen is [10s,60s ]; when the median of the first sensing sequence is larger than the arithmetic mean of the first sensing sequence, the operation node is considered to be in a sensing overflow state, otherwise, the operation node is in a sensing normal state; when each operation node is in a perceived overflow state, the lighting mode is a film watching mode, otherwise, the lighting mode is an informing mode;
the method can identify the working form of the electronic teaching screen sharply, comprehensively identify whether the played content is still content or video form content by measuring the change of the released content of the electronic teaching screen, identify and avoid non-video illumination floating factors simply caused by picture skip or transition, strengthen the feasibility of type play identification of the video, and have high resolution speed and high accuracy.
Preferably, in order to further identify and avoid non-video luminance floating factors simply caused by picture skip or transition, the method of enhancing video is type play identification feasibility, and the method of obtaining the lighting mode according to the first signal may further be: after the operation node obtains the first signal FSgl, the first element in the first signal FSgl is identified as a first sensing quantity FSSV at the current moment; calculating to obtain a perception difference DFSS at the current moment, wherein dfss=fssv-FSSV ', and FSSV' is a first perception amount obtained at the last moment of the operation node; a Boolean variable is set as a floating tag fflg for each moment, and the method is as follows: when the perception difference DFSS obtained at one moment is less than 0, assigning TRUE for the floating tag fflg at the moment; when the perception difference DFSS obtained at one moment is more than 0, assigning FALSE to the floating label fflg at the moment; when the perceived difference dfss=0 obtained at a moment, the floating tag at the moment is used as the floating tag at the last moment;
to float the tag fflg from the last n1 moments or the current moment n1 Initially, the query of the floating tag fflg' at the last moment is iteratively repeated until the floating tag fflg at the last n2 moments is obtained n2 Meets the fflg n2 ≠fflg n1 The method comprises the steps of taking the last n1 moments as iteration starting points, taking the last n2 moments as iteration ending points, taking n2 as output values of the iteration query model, and taking the output value of the last operation iteration query model as the iteration starting point if the iteration query model is not described when being called;
the current moment is used as an iteration starting point to call an iteration query model, the obtained output value is a first closed moment tn1, and then the tn1 moments are used as iteration starting points to call iteration queryModel, the obtained output value is the second closing time tn2, FSSV tn1 And FSSV tn2 The interval formed by two values is used as a first closed interval, wherein FSSV tn1 And FSSV tn2 Representing first perceived amounts at the last tn1 time and the last tn2 time, respectively; repeatedly and circularly calling an iterative query model, wherein the obtained output value is tnk, and the first perception quantity at the upper tnk moments is FSSV tnk If FSSV tnk If the value of (2) exceeds the first closed interval, jumping out of the circulation, otherwise continuing the circulation; calculating to obtain a first equilibrium length FPerd, fperd=tnk '-tn1, where tnk' represents an output value obtained when the loop is skipped; obtaining FSSV tnk’ Calculating to obtain a perceived sudden change rate DSV,
calculating and obtaining a perceived sudden change rate DSV and a first equilibrium length FPerd for each operation node respectively; the maximum value of the perceived sudden change rate DSV of each operation node is taken as the sudden change base quantity DSV st Calculating to obtain a second equilibrium length SPerd,
where i3 and i4 are both accumulation variables, DSV i3 And DSV i4 Respectively representing the sudden change rates of the ith 3 operation node and the ith 4 operation node; the number of floating labels of the nearest SPerd moment of an operation node is flgT, the number of floating labels of the nearest SPerd moment of the operation node is flgF, if the floating label of the operation node at one moment is TRUE, the floating parameter value at the moment is rt=flgT/SPerd, otherwise, the floating parameter value at the moment is rt=flgF/SPerd; a second perceived quantity SSSV at the present moment is calculated for each of the job nodes,
where i5 is the accumulation variable, rt i5 Represents the floating parameter at time i5, mrt (FSSV) is a logistic regression function, mrt (FSSV) = (1/1+e) FSSV ) -1 The method comprises the steps of carrying out a first treatment on the surface of the Setting a model as a mode screening device, if all the operation nodes meet SSSV not less than SSSV', turning on a lamp mode to be a film watching mode, otherwise, turning on the lamp mode to be an informing mode;
preferably, the method for adjusting the lamp in the over-lighting mode is that if the lighting mode is a film watching mode, each scheduling node is controlled to be gradually and smoothly extinguished in clpsd time, a period of time is set as a smooth light-off time clpsd, and the value range is between [1s,5s ]; if the lighting mode is the declaring mode, performing illumination anomaly identification on each scheduling node by calculating the responsivity of the scheduling node;
the method for calculating the responsivity of the dispatching node comprises the steps of obtaining a first signal FSgl from each operation node and a first influence sequence FILs from the first signal, combining the first influence sequences FILs into a sequence, and sequencing from large to small as a second influence sequence SILS, wherein SILS= [ FIV ] m4 ]Wherein m4 is the sequence number of the first influence magnitude, m 4E [1, LN x DN]，FIV m4 The m4 th first influence magnitude; calculating a response domain threshold argDr:
argDr＝SILs(m5),if SILs(m5)＝max{SILs(m5)-SILs(m5+1)}
wherein m5 is the sequence number of the first influence magnitude, m5 epsilon [1, LN x DN-1], max { } is the maximum function, SILs (m 5) represent the m5 th element in the SILs;
acquiring a first influence value FIV between one scheduling node and each job node, and calculating an acquisition response FSED by taking the number of elements with the numerical value larger than argDr in each element as a first maximum trend value bgrn, wherein the responsivity FSED (LT 3) of the LT3 scheduling node is as follows:wherein m6 is an accumulated variable, FIV m6 Representing a first impact magnitude between a scheduling node and an mth 6 job node;
the existing intelligent lighting system can intelligently adjust the lights, but can not identify or identify the balance of the lights in each area in the intelligent dimming system, and because the lights in each area have a cross effect, the lights which affect the illuminance or brightness balance output in the area are not easy to identify.
In order to further identify the balance of the lighting effect, the method for calculating the responsivity of the scheduling node can also be that a first signal FSgl is obtained from each operation node and a first influencing sequence FILs is obtained from the first signal, and the domain concentration degree CTD between every two operation nodes is calculated; wherein the aggregation domain degree between DK1 and DK2 operation nodes is CTD (DK 1, DK 2):
wherein m1 is the sequence number of the scheduling node, FILs DK1 (m 1) and FILs DK2 (m 1) represents the m1 st element in the first influence sequence of the DK1 st job node and DK2 nd job node, respectively; mFIL DK1 And mFIL DK2 Represents the median of the first influencing sequences of the DK 1-th and DK 2-th job nodes, respectively; calculating an arithmetic average value of all the obtained aggregation domains to serve as a first aggregation domain threshold FDr; combining the first influencing sequences FILs of all the operation nodes, and establishing a matrix by taking the FILs of one operation node as a row as an operation scene WPST;
a second impact value SIV (LT 1, DK 3) of a dispatching node LT1 and a job node DK3 is calculated,
wherein m2 is an accumulated variable, WPST (LT 1, DK 3) represents an LT1 element of DK3 row of a working field state, pZ (LT 1, DK 3) is a aggregation domain index, and the calculation method of pZ (LT 1, DK 3) is that pZ (LT 1, DK 3) =cntT/DN; wherein the method comprises the steps of
Taking a sequence formed by arranging elements except DK3 in WPST LT1 from large to small as a first calculation column zFMD of a aggregation domain; starting from the operation node corresponding to the first element of zFMD, performing domain-returning judgment operation until the result obtained by the domain-returning judgment operation is FALSE, wherein the number of the obtained domain-returning judgment operation results is TRUE; the domain-returning judging operation method is that CTD (DK 3, cp 1) is used for representing the aggregation degree between an operation node corresponding to DK3 element in LT1 column of WPST and another operation node cp1 to be used for domain-returning judging operation, if CTD (DK 3, cp 1) is not less than FDr, the domain-returning judging operation result is TRUE, otherwise, FALSE;
the scheduling node calculates responsiveness FSED according to the second impact magnitude SIV, wherein responsiveness FSED (LT 2) of the LT 2-th scheduling node is:
where m3 is an accumulated variable, SIV (LT 2, m 3) represents a second impact magnitude between the scheduling node LT2 and the m3 th job node;
the method for identifying the illuminance abnormality comprises the following steps: after the responsivity of the dispatching node is obtained, taking a time period as a balance observation window tk, wherein the tk takes a value within 5s-10 s; and obtaining the responsivity of each dispatching node in real time, if the responsivity of one dispatching node is always the minimum value in the responsivity of all dispatching nodes within tk, increasing the fault risk of the lighting lamp corresponding to the dispatching node, and sending the corresponding serial number of the lighting lamp to the client of the manager.
The embodiment of the application provides a system for a lamp scene control method for sensing the state of an electronic teaching screen, which comprises the following components: a processor, a memory, and a computer program stored in the memory and executable on the processor, the processor implementing the steps in a system embodiment of a lamp scene control method for perceiving the status of an electronic teaching screen when the computer program is executed.
The system of the lamp scene control method for sensing the state of the electronic teaching screen can be operated in computing equipment such as a desktop computer, a notebook computer, a palm computer, a cloud server and the like. The system of the lamp scene control method for sensing the state of the electronic teaching screen can comprise, but is not limited to, a processor and a memory. It will be appreciated by those skilled in the art that the example is merely an example of a system for a light scene control method for sensing an electronic teaching screen state, and is not limited to a system for a light scene control method for sensing an electronic teaching screen state, and may include more or less components than examples, or may combine some components, or different components, e.g., the system for a light scene control method for sensing an electronic teaching screen state may further include an input/output device, a network access device, a bus, etc.
The processor may be a central processing unit (Central Processing Unit, CPU), other general purpose processors, digital signal processors (Digital Signal Processor, DSP), application specific integrated circuits (Application Specific Integrated Circuit, ASIC), field programmable gate arrays (Field-Programmable Gate Array, FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, or the like. The general-purpose processor may be a microprocessor or the processor may be any conventional processor or the like, which is a control center of the system operation system of the lamp scene control method for sensing the status of the electronic teaching screen, and connects various parts of the system operation system of the whole system operation method for sensing the status of the electronic teaching screen by various interfaces and lines.
The memory may be used to store the computer program and/or module, and the processor may implement various functions of the system of the lamp scene control method for sensing the status of the electronic teaching screen by running or executing the computer program and/or module stored in the memory and invoking data stored in the memory. The memory may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program (such as a sound playing function, an image playing function, etc.) required for at least one function, and the like; the storage data area may store data (such as audio data, phonebook, etc.) created according to the use of the handset, etc. In addition, the memory may include high-speed random access memory, and may also include non-volatile memory, such as a hard disk, memory, plug-in hard disk, smart Media Card (SMC), secure Digital (SD) Card, flash Card (Flash Card), at least one disk storage device, flash memory device, or other volatile solid-state storage device.
Although the present application has been described in considerable detail and with particularity with respect to several described embodiments, it is not intended to be limited to any such detail or embodiment or any particular embodiment so as to effectively cover the intended scope of the application. Furthermore, the foregoing description of the application has been presented in its embodiments contemplated by the inventors for the purpose of providing a useful description, and for the purposes of providing a non-essential modification of the application that may not be presently contemplated, may represent an equivalent modification of the application.

Claims (10)

1. A lamp scene control method for sensing the state of an electronic teaching screen, which is characterized by comprising the following steps:
acquiring a first signal;
obtaining a lighting mode according to the first signal;
the lamp is adjusted by a lighting mode.
2. The method for controlling a lamp scene for sensing a status of an electronic teaching screen according to claim 1, wherein the method for acquiring the first signal is: the method comprises the steps of taking a single classroom or a multifunctional room as a unit, configuring an edge control panel provided with an ad hoc network in each classroom or multifunctional room, taking the classroom or the multifunctional room as a unit, taking the edge control panel as an edge manager of a lamp control system in the unit, arranging a control and management program in the edge control panel to realize the identification of equipment, the identification of equipment attribute, the identification of equipment position and function, the equipment networking, the grouping and binding control of lamp control equipment on classroom or multifunctional room lamps and blackboard lamps, the grouping and binding control of lamp control equipment on classroom curtains, executing the functions of each control mode and lighting scene, measuring the state of equipment, initializing the equipment and the like.
3. The method for controlling a lamp scene for sensing a status of an electronic teaching screen according to claim 1, wherein the method for acquiring the first signal is: the electronic teaching screen device is perceived to comprise an electric energy sensor, the electronic teaching screen device is perceived to measure the change of the electric energy of the electronic teaching screen device through the electric energy sensor to judge whether the electronic teaching screen device is in a working state or a closing state, and a result obtained through judgment is used as a first signal; the first signal includes a start signal and a shut down signal, and is transmitted to the indoor light control management system through the ad hoc network.
4. The method for controlling a lamp scene for sensing a status of an electronic teaching screen according to claim 1, wherein the method for obtaining the lighting mode according to the first signal is as follows: the lighting mode comprises a first mode and a second mode; after the first signal is received by the device system of the perception electronic teaching screen equipment, judging the obtained first signal, and executing a first mode if the first signal is a starting signal, wherein the first mode is a screen display mode; and if the first signal is a closing signal, executing a second mode, wherein the second mode comprises other modes such as a lesson mode and the like.
5. The lamp scene control method for sensing the status of an electronic teaching screen according to claim 1, wherein the specific steps of adjusting the lamp by the lighting mode are as follows: if the lighting mode is a screen display mode, the blackboard lamp or the classroom lighting lamp is turned off or dimmed, or the curtain is adjusted or turned off, so that the indoor brightness is reasonable; when the lighting mode is a screen display mode, the mode can be switched to a lesson mode or other modes through an edge control panel or a remote controller.
6. The lamp scene control method for sensing the status of an electronic teaching screen according to claim 1, wherein the specific steps of adjusting the lamp by the lighting mode are as follows: if the lighting mode is the teaching mode, turning on a blackboard lamp or a classroom lighting lamp of a classroom, and controlling the output brightness of the blackboard lamp or the classroom lighting lamp to a preset brightness value.
7. The method for controlling a lamp scene for sensing a status of an electronic teaching screen according to claim 1, wherein the method for acquiring the first signal is: the number of the illuminating lamps in the classroom is LN, the number of the desks in the classroom is DN, and each desk in the classroom is provided with an illumination sensor which measures the illumination ILLM of the current desk position in real time; meanwhile, each desk is provided with a range finder, and the range finder measures the linear distance DLDS from the desk to an illuminating lamp in real time; the distance from the distance meter on the desk to the ground is a first height value Fht, and the distance from the illuminating lamp to the ground is a second height value Sht; taking a desk in a classroom as an operation node, taking a lighting lamp in the classroom as a dispatching node, calculating to obtain a first influence value FIV of the dispatching node and the operation node,combining the first influence values of a working node to form a sequence as the first influence sequence FILs of the working node, FILs= [ FIV ] i1 ]，i1∈[1，LN]Wherein i1 is a scheduling node sequence number, and is FIV i1 Representing a first influence value between the operation node and the i1 th scheduling node, calculating to obtain a first perceived quantity FSSV,>wherein FILs (i 2) represent the i2 element in the first influencing sequence, i2 being an accumulated variable; the FSSV and the FILs are formed into one tuple as the first signal FSgl, and the first signal FSgl is periodically measured and obtained.
8. The method for controlling a lamp scene for sensing a state of an electronic teaching screen according to claim 1, wherein the method for obtaining a lighting mode according to a first signal is characterized in that after a working node obtains a first signal FSgl, a first element in the first signal FSgl is identified as a first sensing quantity FSSV at the current moment, each FSSV of each working node in tzen is calculated to form a first sensing sequence fvlst, wherein tzen is a sensing period, and tzen takes a value range of [10s,60s ]; when the median of the first sensing sequence is larger than the arithmetic mean of the first sensing sequence, the operation node is considered to be in a sensing overflow state, otherwise, the operation node is in a sensing normal state; when each operation node is in a perception overflow state, the lighting mode is a film watching mode, otherwise, the lighting mode is a speaking mode.
9. The method for controlling the lamp scene for sensing the state of the electronic teaching screen according to claim 1, wherein the method for adjusting the lamp by the lighting mode is characterized in that if the lighting mode is a film watching mode, each scheduling node is controlled to be gradually and smoothly extinguished in clpsd time, a period of time is set as the light-off gentle time clpsd, and the value range is between [1s,5s ]; if the lighting mode is the declaring mode, performing illumination anomaly identification on each scheduling node by calculating the responsivity of the scheduling node;
the method for calculating the responsivity of the dispatching node comprises the steps of obtaining a first signal FSgl from each operation node and a first influence sequence FILs from the first signal, combining the first influence sequences FILs into a sequence, and sequencing from large to small as a second influence sequence SILS, wherein SILS= [ FIV ] m4 ]Wherein m4 is the sequence number of the first influence magnitude, m 4E [1, LN x DN]，FIV m4 The m4 th first influence magnitude; calculating a response domain threshold argDr:
argDr＝SILs(m5),if SILs(m5)＝max{SILs(m5)-SILs(m5+1)}
wherein m5 is the sequence number of the first influence magnitude, m5 epsilon [1, LN x DN-1], max { } is the maximum function, SILs (m 5) represent the m5 th element in the SILs;
acquiring a first influence value FIV between one scheduling node and each job node, and calculating an acquisition response FSED by taking the number of elements with the numerical value larger than argDr in each element as a first maximum trend value bgrn, wherein the responsivity FSED (LT 3) of the LT3 scheduling node is as follows:wherein m6 is an accumulated variable, FIV m6 Representing a first impact magnitude between a scheduling node and an mth 6 job node;
the method for identifying the illuminance abnormality comprises the following steps: after the responsivity of the dispatching node is obtained, taking a time period as a balance observation window tk, wherein the tk takes a value within 5s-10 s; and obtaining the responsivity of each dispatching node in real time, if the responsivity of one dispatching node is always the minimum value in the responsivity of all dispatching nodes within tk, increasing the fault risk of the lighting lamp corresponding to the dispatching node, and sending the corresponding serial number of the lighting lamp to the client of the manager.
10. A lamp scene control system for sensing the state of an electronic teaching screen is characterized in that the lamp scene control system for sensing the state of the electronic teaching screen comprises: the system comprises a processor, a memory and a computer program stored in the memory and capable of running on the processor, wherein the processor realizes the steps in any one of the lamp scene control methods for sensing the state of the electronic teaching screen when executing the computer program, and the lamp scene control system for sensing the state of the electronic teaching screen runs in the computing equipment of a desktop computer, a notebook computer, a palm computer and a cloud data center.
CN202310415257.2A 2023-04-18 2023-04-18 Lamp scene control method and system for sensing state of electronic teaching screen Pending CN116582979A (en)

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