CN114466494A - Intelligent sensing lamp control method, device and equipment - Google Patents
Intelligent sensing lamp control method, device and equipment Download PDFInfo
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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
- H05B47/115—Controlling the light source in response to determined parameters by determining the presence or movement of objects or living beings
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/41—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00 using analysis of echo signal for target characterisation; Target signature; Target cross-section
- G01S7/415—Identification of targets based on measurements of movement associated with the target
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- 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
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The invention relates to the technical field of intelligent control, and discloses an intelligent sensing lamp control method, device and equipment. The method comprises the following steps: firstly, calculating a target radar echo energy value according to radar echo data; then, detecting a target object state corresponding to the intelligent sensing lamp according to the target radar echo energy value and a static set threshold value, wherein the target object state comprises a target object state and a non-target object state; and finally, respectively controlling the lighting state of the intelligent perception lamp according to the state of the target object and the state of the non-target object. According to the invention, the state of the target object can be sensed according to the radar echo data, so that the lighting state of the intelligent sensing lamp is controlled, and the accuracy of intelligent light control is improved.
Description
Technical Field
The invention relates to the technical field of intelligent control, in particular to an intelligent sensing lamp control method, device and equipment.
Background
The non-contact human body induction lamp is widely applied to the life of people, such as courtyards, corridors, bedside, stairs, wardrobes and the like. The conventional induction lamp scheme on the market at present mainly realizes the control of lighting and extinguishing by inducing the human body to move or shake greatly.
The inventor finds that the detection range boundary of the related technology is unclear, the induction range cannot be accurately controlled, and false triggering is easy to occur in the process of implementing the embodiment of the invention.
Disclosure of Invention
The technical problem mainly solved by the embodiment of the invention is to provide an intelligent sensing lamp control method, device and equipment so as to improve the accuracy of intelligent light control.
In order to solve the above technical problem, one technical solution adopted by the embodiment of the present invention is: provided is a smart sensor lamp control method, which comprises the following steps: calculating a target radar echo energy value according to the radar echo data; detecting target object states corresponding to the intelligent sensing lamp according to the target radar echo energy value and a static set threshold, wherein the target object states comprise a target object state and a target object-free state; and respectively controlling the lighting state of the intelligent perception lamp according to the target object state and the non-target object state.
In some embodiments, said calculating a target radar return energy value from radar return data comprises: acquiring radar echo sampling data; and carrying out complex modulus value calculation according to the radar echo sampling data to obtain the target radar echo energy value.
In some embodiments, the detecting the target object state corresponding to the smart sensor lamp according to the target radar echo energy value and a stationary set threshold value includes: when the target radar echo energy value is larger than the static set threshold value, determining that the target object state corresponding to the intelligent sensing lamp is a target object state; otherwise, determining the target object state as a no-target object state.
In some embodiments, said separately controlling the lighting state of said smart sensor light according to said target object present state and said target object absent state comprises: when the target object state corresponding to the intelligent sensing lamp is determined to be the target object-free state, controlling the intelligent sensing lamp to be turned off; and when the target object state corresponding to the intelligent sensing lamp is determined to be the target object state, calculating the target distance of the target object according to the radar echo data, and controlling the lighting state of the intelligent sensing lamp according to the target distance.
In some embodiments, said calculating a target distance of a target object from said radar echo data comprises: acquiring an echo energy peak value according to the radar echo data; calculating a spectral energy center of gravity according to the echo energy peak value; and calculating the target distance of the target object according to the center of gravity of the spectral energy.
In some embodiments, said controlling the lighting state of said smart sensor light according to said target distance comprises: detecting whether the target radar echo energy value is larger than a motion set threshold value or not; if yes, determining that the target object is in a motion state, and controlling the lighting state of the intelligent sensing lamp according to the movement of the target object and the target distance; if not, determining that the target object is in a static state, and controlling the lighting state of the intelligent perception lamp according to the target distance.
In order to solve the above technical problem, another technical solution adopted by the embodiment of the present invention is: there is provided a smart sensor light control apparatus, the apparatus comprising: the calculation module is used for calculating the target radar echo energy value according to the radar echo data; the detection module is used for detecting a target object state corresponding to the intelligent sensing lamp according to the target radar echo energy value and a static set threshold value, wherein the target object state comprises a target object state and a target object-free state; and the control module is used for respectively controlling the lighting state of the intelligent perception lamp according to the target object state and the non-target object state.
In some embodiments, the calculation module is specifically configured to: acquiring radar echo sampling data; and carrying out complex modulus value calculation according to the radar echo sampling data to obtain the target radar echo energy value.
In some embodiments, the detection module is specifically configured to: when the target radar echo energy value is larger than the static set threshold value, determining that the target object state corresponding to the intelligent sensing lamp is a target object state; otherwise, determining the target object state as a no-target object state.
In order to solve the above technical problem, another technical solution adopted by the embodiment of the present invention is: provided is a smart sensor lamp control device including: the millimeter wave sensor chip is used for acquiring radar echo data; a controller comprising at least one processor, and a memory communicatively coupled to the at least one processor, the memory storing instructions executable by the at least one processor to enable the at least one processor to perform the method as described above based on the radar echo data.
The invention provides an intelligent sensing lamp control method, device and equipment which are different from the conditions of the related technology, and the method comprises the steps of firstly calculating the echo energy value of a target radar according to radar echo data; then detecting a target object state corresponding to the intelligent sensing lamp according to the target radar echo energy value and a static set threshold value, wherein the target object state comprises a target object state and a non-target object state; and finally, respectively controlling the lighting state of the intelligent perception lamp according to the state of the target object and the state of the non-target object. The intelligent sensing lamp control method, the intelligent sensing lamp control device and the intelligent sensing lamp control equipment can sense the state of the target object according to the radar echo data, so that the lighting state of the intelligent sensing lamp is controlled, and the accuracy of intelligent light control is improved.
Drawings
One or more embodiments are illustrated in drawings corresponding to, and not limiting to, the embodiments, in which elements having the same reference number designation may be represented as similar elements, unless specifically noted, the drawings in the figures are not to scale.
Fig. 1 is a schematic structural diagram of an intelligent sensing lamp control system according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an intelligent sensing lamp control device according to an embodiment of the present invention;
fig. 3 is a schematic flow chart of a control method of an intelligent sensing lamp according to an embodiment of the present invention;
FIG. 4 is a schematic flow chart diagram of a method for calculating target radar echo energy values from radar echo data according to an embodiment of the present invention;
fig. 5 is a flowchart illustrating a method for controlling the lighting states of the smart sensor lamp according to the states of the target object and the non-target object, respectively, according to an embodiment of the present invention;
FIG. 6 is a schematic flowchart of a method for calculating a target distance of a target object according to radar echo data according to an embodiment of the present invention;
fig. 7 is a flowchart illustrating a method for controlling an illumination state of a smart sensor lamp according to a target distance according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a smart sensor lamp control device according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It should be noted that, if not conflicted, the various features of the embodiments of the invention may be combined with each other within the scope of protection of the invention. Additionally, while functional block divisions are performed in the device diagrams, with logical sequences shown in the flowcharts, in some cases, the steps shown or described may be performed in a different order than the block divisions in the device diagrams, or the flowcharts.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1, fig. 1 is a schematic structural diagram of an intelligent sensing lamp control system according to an embodiment of the present invention. This intelligent perception lamp control system 100 includes antenna 10, intelligent perception lamp control equipment 20, intelligent perception lamp 30 and power management equipment 40, and this power management equipment 40 is connected with intelligent perception lamp control equipment 20 and intelligent perception lamp 30, and this power management equipment 40 is used for acquireing the power and provides the power for intelligent perception lamp control equipment 20 and intelligent perception lamp 30.
The antenna 10 is connected with the intelligent sensing lamp control device 20, and the antenna 10 is used for emitting electromagnetic waves to irradiate a target. The intelligent perception lamp control equipment 20 is used for calculating a target radar echo energy value according to radar echo data; detecting target object states corresponding to the intelligent sensing lamp according to the echo energy value of the target radar and a static set threshold value, wherein the target object states comprise a target object state and a target object-free state; the lighting state of the intelligent sensing lamp 30 is controlled according to the target object state and the non-target object state. Thereby, the lighting state of the smart sensor lamp 30 is controlled according to the radar echo data.
The antenna 10 can emit millimeter waves, the millimeter waves work in a millimeter wave band, the working frequency is 30GHz to 100GHz, the wavelength is 1mm to 10mm, the electromagnetic waves are emitted to an obstacle through the antenna 10, and the direction and the distance of a target are accurately detected by receiving echoes through the intelligent sensing lamp control device 20.
Referring to fig. 2, fig. 2 is a schematic structural diagram of an intelligent sensing lamp control device 20 according to an embodiment of the present invention, where the intelligent sensing lamp control device 20 includes: one or more controllers 21 and millimeter wave sensor chips 22, where the controller 21 includes a processor 211 and a memory 212, and one controller 21 is illustrated in fig. 2 as an example. The millimeter wave sensor chip 23 is connected to the controller 21, and the processor 211 and the memory 212 may be connected by a bus or other means, for example, in fig. 2.
The millimeter wave sensor chip 22 is configured to receive the millimeter waves emitted by the antenna 10, so as to acquire radar echo data. The memory 212, which is a non-volatile computer-readable storage medium, may be used to store non-volatile software programs, non-volatile computer-executable programs, and modules, such as program instructions/modules (e.g., the calculating module 51, the detecting module 52, and the control module 53 shown in fig. 8) corresponding to the intelligent sensor lamp control method in the embodiment of the present invention. The processor 211 executes various functional applications of the server and data processing by running nonvolatile software programs, instructions, and modules stored in the memory 212, that is, implements the smart sensor lamp control method in the method embodiments described below.
The memory 212 may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created according to use of the smart sensor lamp control device, and the like. Further, the memory 212 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device. In some embodiments, the memory 212 may optionally include memory remotely located from the processor 211, and these remote memories may be connected to the smart aware lamp control device via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
One or more modules are stored in memory 212 and, when executed by the one or more processors 211, perform the smart light control method in any of the method embodiments described below, e.g., performing the method steps of fig. 3, 4, 5, 6, and 7 described below to implement the functionality of the various modules in fig. 8. The intelligent sensing lamp control device 20 can execute the intelligent sensing lamp control method provided by the embodiment of the invention, and has the corresponding functional modules and beneficial effects of the execution method. For technical details which are not described in detail in the embodiments of the present invention, reference may be made to the methods provided in the embodiments of the present invention.
The intelligent sensing lamp control system 100 provided by the embodiment of the invention mainly comprises an antenna 10, intelligent sensing lamp control equipment 20, an intelligent sensing lamp 30 and power supply management equipment 40. The millimeter wave sensor chip 23 in the intelligent sensing lamp control equipment 20 has high integration level, and the hardware with smaller volume is used for realizing intelligent light control, so that the intelligent light control system is convenient to integrate into other systems for use. In addition, the intelligent sensor lamp control system 100 can reserve a burning interface and a debugging interface in the intelligent sensor lamp control device 20, so as to facilitate program updating and debugging.
Referring to fig. 3, fig. 3 is a schematic flow chart of an intelligent sensing lamp control method according to an embodiment of the present invention, where the method is applicable to the intelligent sensing lamp control apparatus. The method may comprise the steps of:
and S1, calculating the target radar echo energy value according to the radar echo data.
The radar echo data is analyzed from radar echoes received by the radar. And calculating to obtain the target radar echo energy value according to the radar echo data. The target radar echo energy value can reflect the motion state of an object in the radar detection area.
And S2, detecting the target object state corresponding to the intelligent sensing lamp according to the target radar echo energy value and the static set threshold, wherein the target object state comprises a target object state and a non-target object state.
The static set threshold value is a preset value and is calculated according to the change rule of the module value when the human body walks. The target object state is a target object state in the radar sensing area, the target object is a human body, the target object state comprises a target object state and a no-target object state, the target object state indicates that the human body exists in the radar sensing area, and the no-target object state indicates that the human body does not exist in the radar sensing area.
And S3, respectively controlling the lighting state of the intelligent perception lamp according to the target object state and the non-target object state.
The embodiment of the invention provides an intelligent sensing lamp control method, which comprises the steps of firstly calculating the echo energy value of a target radar according to radar echo data; then detecting target object states corresponding to the intelligent sensing lamp according to the echo energy value of the target radar and a static set threshold value, wherein the target object states comprise a target object state and a non-target object state; and finally, respectively controlling the lighting state of the intelligent perception lamp according to the state of the target object and the state of the non-target object. According to the intelligent sensing lamp control method, the state of the target object can be sensed according to the radar echo data, so that the lighting state of the intelligent sensing lamp is controlled, and the accuracy of intelligent light control is improved.
Referring to fig. 4, fig. 4 is a flowchart illustrating a method for calculating a target radar echo energy value according to radar echo data according to an embodiment of the present invention, where the calculating the target radar echo energy value according to radar echo data includes:
and S11, acquiring radar echo sampling data.
Wherein the radar echo sample data is acquired by a radar.
And S12, performing complex modulus value calculation according to the radar echo sampling data to obtain the target radar echo energy value.
In this embodiment, the radar echo sampling data of the radar sample is a complex value, and the radar echo sampling data is subjected to complex modulus value calculation to obtain a target radar echo energy value.
In some embodiments, the detecting the target object state corresponding to the smart sensor lamp according to the target radar echo energy value and the stationary set threshold value comprises:
s21, when the echo energy value of the target radar is larger than a static set threshold value, determining that the target object state corresponding to the intelligent sensing lamp is a target object state; otherwise, determining the target object state as a no-target object state.
Wherein, the static set threshold value is a value calculated according to the change rule of the module value when the human body walks.
After the target radar echo energy value is obtained, the target radar echo energy value is compared with a static set threshold value, and when the target radar echo energy value is larger than the static set threshold value, the target object state corresponding to the intelligent sensing lamp is determined to be a target object state, namely a target object in a radar sensing area. And when the echo energy value of the target radar is smaller than or equal to the static set threshold value, determining that the target object state is a no-target object state, namely no target object exists in the radar sensing area.
Referring to fig. 5, fig. 5 is a flowchart illustrating a method for controlling lighting states of a smart sensor lamp according to a state with a target object and a state without the target object, respectively, according to an embodiment of the present invention, where the controlling the lighting states of the smart sensor lamp according to the state with the target object and the state without the target object includes:
and S31, controlling the intelligent sensing lamp to be turned off when the target object state corresponding to the intelligent sensing lamp is determined to be a no-target object state.
When the target object state corresponding to the intelligent sensing lamp is determined to be a no-target object state, the fact that no target object exists in the radar sensing area is indicated, namely no human body exists in the radar sensing area, no light is needed, and therefore the lighting state of the intelligent sensing lamp is controlled to be the turning-off state of the intelligent sensing lamp.
And S32, when the target object state corresponding to the intelligent sensing lamp is determined to be a target object state, calculating the target distance of the target object according to the radar echo data, and controlling the lighting state of the intelligent sensing lamp according to the target distance.
The target object is generally a human body, and the target distance is the distance between the target object and the intelligent sensing lamp.
In this embodiment, the intelligent sensing lamp is controlled to be turned off when the target object state corresponding to the intelligent sensing lamp is determined to be a no-target object state, the target distance of the target object is calculated according to the radar echo data when the target object state corresponding to the intelligent sensing lamp is determined to be a target object state, and the lighting state of the intelligent sensing lamp is controlled according to the target distance, so that the dynamic light control effects of 'lighting by people' and 'lighting by people' are realized.
Referring to fig. 6, fig. 6 is a flowchart illustrating a method for calculating a target distance of a target object according to radar echo data according to an embodiment of the present invention, where the calculating the target distance of the target object according to the radar echo data includes:
and S321, acquiring an echo energy peak value according to the radar echo data.
After the radar echo data are obtained, radar echo energy values are calculated, and a wave energy peak value is selected from the radar echo energy values. The echo energy peak value comprises a peak value of a peak value frequency point and a peak value of a secondary peak value frequency point.
In this embodiment, after the peak point corresponding to the echo energy peak is obtained, a peak frequency point and a sub-peak frequency point in the peak point need to be screened out.
It should be noted that, in the embodiments of the present invention, the obtaining manner of the peak frequency point and the sub-peak frequency point in the peak point is not limited, and any existing and future implementation may be applied to one or more embodiments provided by the present invention.
And S322, calculating the center of gravity of the spectrum energy according to the echo energy peak value.
And calculating the center of gravity of the spectrum energy by comparing the difference of the echo energy peak values of the peak value frequency point and the secondary peak value frequency point.
It should be noted that the embodiment of the present invention does not limit the manner of obtaining the centroid of the spectral energy, and any existing or future implementation may be applied to one or more embodiments provided in the present invention.
And S323, calculating the target distance of the target object according to the center of gravity of the spectrum energy.
According to the spectrum energy center of gravity and the bandwidth of the radar, the target distance of the target object, namely the distance between the target object and the intelligent sensing lamp, can be calculated.
By means of acquiring the center of gravity of the frequency spectrum energy and the bandwidth of the radar and calculating the target distance, the detection precision is improved, and the position and the target distance of the acquired target object are more accurate.
Referring to fig. 7, fig. 7 is a flowchart illustrating a method for controlling an illumination state of a smart sensor lamp according to a target distance according to an embodiment of the present invention, where the controlling the illumination state of the smart sensor lamp according to the target distance includes:
and S325, detecting whether the echo energy value of the target radar is larger than a motion set threshold value or not.
And S326, if yes, determining that the target object is in a motion state, and controlling the lighting state of the intelligent sensing lamp according to the movement of the target object and the target distance.
S327, if not, determining that the target object is in a static state, and controlling the lighting state of the intelligent sensing lamp according to the target distance.
The motion setting threshold is a value calculated according to a mode value change rule when a human body moves. The target object state comprises a motion state and a static state, the motion state of the target object indicates that the target object is moving, and the static state of the target object indicates that the target object is static and does not move.
In this embodiment, after the target radar echo energy value is obtained, the target radar echo energy value is compared with the motion setting threshold, and when the target radar echo energy value is greater than the motion setting threshold, it is determined that the target object state corresponding to the intelligent sensing lamp is the target object state, and the target object is in the motion state. At the moment, the intelligent sensing lamp is controlled to be turned on and off along with the movement of the target object according to the movement of the target object and the target distance, namely, the target object is always in the illumination range when the target object moves in the illumination range of the intelligent sensing lamp.
In some embodiments, the target object can be always within the illumination range by controlling the illumination distance, the illumination direction and the illumination range of the smart sensor lamp to change along with the movement of the target object.
In some embodiments, the illumination distance, the illumination direction and the illumination range of the intelligent sensing lamps can be fixed by arranging a plurality of intelligent sensing lamps, and when the target object moves, the target object can be always in the illumination range by controlling the intelligent sensing lamps in the illumination range where the target object is located to be turned on and the rest lamps to be turned off.
When the echo energy value of the target radar is smaller than or equal to the motion set threshold, the state of the target object is determined to be the state with the target object, the target object is in a static state, and at the moment, the intelligent sensing lamp is controlled to be turned on according to the target distance without changing the illumination range of the intelligent sensing lamp.
According to the embodiment of the invention, whether the echo energy value of the target radar is greater than the motion set threshold value is detected, if so, the target object is determined to be in a motion state, the lighting state of the intelligent perception lamp is controlled according to the movement of the target object and the target distance, if not, the target object is determined to be in a static state, the lighting state of the intelligent perception lamp is controlled according to the target distance, the dynamic light control effects of 'lighting the lamp by people', turning the lamp on with people 'and turning off the lamp by people' are realized, and the light change is smooth. The above-mentioned process of intelligently sensing lamp control is illustrated by way of example.
For example, an office corridor is provided with the intelligent sensing lamp control system in the embodiment of the invention, wherein the intelligent sensing lamp control system comprises an antenna, intelligent sensing lamp control equipment, an intelligent sensing lamp and power supply management equipment, and the intelligent sensing lamp comprises one or more intelligent sensing lamps.
When the intelligent sensing lamp control system is used in a dark environment, firstly, the antenna can emit millimeter waves to irradiate an office corridor, the intelligent sensing lamp equipment calculates a target radar echo energy value according to the echo of the millimeter waves, the target radar echo energy value is compared with a preset static setting threshold value and a preset motion setting threshold value, and the static setting threshold value is smaller than the motion setting threshold value under a general condition.
When the energy value of the target radar echo is smaller than or equal to the static set threshold value, namely the state of the office corridor is a target-free state, namely no person exists, the intelligent sensing lamp control device controls the intelligent sensing lamp to be turned off.
When the energy value of the echo of the target radar is larger than the static set threshold value and the energy value of the echo of the target radar is smaller than or equal to the motion set threshold value, namely the state of the office corridor is a state with a target object and the target object is in a static state, the intelligent sensing lamp control device acquires the position of the target object and calculates the target distance of the target object, controls the intelligent sensing lamp to be lightened and emit to the direction of the target object according to the position of the target object and the target distance, enables the target object to be in an illumination range, and keeps the illumination distance, the illumination direction and the illumination range of the intelligent sensing lamp.
When the echo energy value of the target radar is greater than the motion setting threshold value, namely that a target object is located in the office corridor and the target object is in a motion state, the intelligent sensing lamp control device acquires the position of the target object and calculates the target distance of the target object at intervals of preset time, for example, 0.1 second, controls the intelligent sensing lamp to be turned on and emit to the direction of the target object according to the position and the target distance of the target object, and updates the illumination distance, the illumination direction and the illumination range of the intelligent sensing lamp at intervals of the preset time so that the target object is always located in the illumination range.
The embodiment of the invention provides an intelligent sensing lamp control method, which comprises the steps of firstly calculating a target radar echo energy value according to radar echo data; then detecting target object states corresponding to the intelligent sensing lamp according to the echo energy value of the target radar and a static set threshold value, wherein the target object states comprise a target object state and a non-target object state; and finally, respectively controlling the lighting state of the intelligent perception lamp according to the state of the target object and the state of the non-target object. The invention can sense the state of the target object according to the radar echo data, thereby controlling the lighting state of the intelligent sensing lamp and improving the accuracy of intelligent light control. The method adopts a set motion set threshold and a set static threshold to judge the state of the target object and accurately distinguish the state with the target object from the state without the target object, wherein the state with the target object comprises a motion state and a static state. The method can realize dynamic light control effects of 'lamp on when people come', 'lamp moving with people' and 'lamp off when people go', and has smooth light change, lower cost and higher accuracy.
Referring to fig. 8, fig. 8 is a schematic structural diagram of an intelligent sensor lamp control device according to an embodiment of the present invention, where the intelligent sensor lamp control device 50 includes a calculation module 51, a detection module 52, and a control module 53.
The calculation module 51 is used for calculating a target radar echo energy value according to the radar echo data; the detection module 52 is configured to detect a target object state corresponding to the smart sensor lamp according to the target radar echo energy value and the stationary set threshold, where the target object state includes a target object state and a target object free state; the control module 53 is configured to control the lighting states of the smart sensor lamps according to the states of the target objects and the states of the non-target objects.
In some embodiments, the calculation module 51 is specifically configured to: acquiring radar echo sampling data; and carrying out complex modulus value calculation according to the radar echo sampling data to obtain a target radar echo energy value.
In some embodiments, the detection module 52 is specifically configured to: when the target radar echo energy value is larger than a static set threshold value, determining that the target object state corresponding to the intelligent sensing lamp is a target object state; otherwise, determining the target object state as a no-target object state.
In some embodiments, the control module 53 is specifically configured to: when the target object state corresponding to the intelligent sensing lamp is determined to be a target object-free state, controlling the intelligent sensing lamp to be turned off; and when the target object state corresponding to the intelligent sensing lamp is determined to be a target object state, calculating the target distance of the target object according to the radar echo data, and controlling the lighting state of the intelligent sensing lamp according to the target distance.
In some embodiments, the control module 53 is specifically further configured to: acquiring an echo energy peak value according to radar echo data; calculating the spectrum energy gravity center according to the echo energy peak value; and calculating the target distance of the target object according to the center of gravity of the spectral energy.
In some embodiments, the control module 53 is specifically further configured to: detecting whether the echo energy value of the target radar is larger than a motion set threshold value or not; if yes, determining that the target object is in a motion state, and controlling the lighting state of the intelligent sensing lamp according to the movement of the target object and the target distance; if not, determining that the target object is in a static state, and controlling the lighting state of the intelligent sensing lamp according to the target distance.
The embodiment of the invention provides an intelligent sensing lamp control device, which comprises the following steps of firstly calculating a target radar echo energy value according to radar echo data; then detecting target object states corresponding to the intelligent sensing lamp according to the echo energy value of the target radar and a static set threshold value, wherein the target object states comprise a target object state and a non-target object state; and finally, respectively controlling the lighting state of the intelligent perception lamp according to the state of the target object and the state of the non-target object. The invention can sense the state of the target object according to the radar echo data, thereby controlling the lighting state of the intelligent sensing lamp and improving the accuracy of intelligent light control. The device adopts a set motion set threshold and a set static threshold to judge the state of the target object and accurately distinguish the state with the target object from the state without the target object, wherein the state with the target object comprises a motion state and a static state. The device can realize the dynamic light control effects of ' lighting when people come on ', lamp moving along with people ' and ' light off when people go on ', the light changes smoothly, the cost is lower, and the accuracy is higher.
It should be noted that the intelligent sensing lamp control device can execute the intelligent sensing lamp control method provided by the embodiment of the invention, and has the corresponding functional modules and beneficial effects of the execution method. Technical details which are not described in detail in the embodiment of the intelligent sensing lamp control device can be referred to the intelligent sensing lamp control method provided by the embodiment of the invention.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a general hardware platform, and certainly can also be implemented by hardware. It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by hardware related to instructions of a computer program, and the program can be stored in a computer readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. The storage medium may be a Read-Only Memory (ROM) or a Random Access Memory (RAM).
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; within the idea of the invention, also technical features in the above embodiments or in different embodiments may be combined, steps may be implemented in any order, and there are many other variations of the different aspects of the invention as above, which are not provided in detail for the sake of brevity; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.
Claims (10)
1. A method for intelligently sensing lamp control, the method comprising:
calculating a target radar echo energy value according to the radar echo data;
detecting target object states corresponding to the intelligent sensing lamp according to the target radar echo energy value and a static set threshold, wherein the target object states comprise a target object state and a target object-free state;
and respectively controlling the lighting state of the intelligent perception lamp according to the target object state and the non-target object state.
2. The method of claim 1, wherein calculating a target radar return energy value from radar return data comprises:
acquiring radar echo sampling data;
and carrying out complex modulus value calculation according to the radar echo sampling data to obtain the target radar echo energy value.
3. The method of claim 1, wherein the detecting the target object state corresponding to the smart sensor light based on the target radar echo energy value and a stationarity setting threshold comprises:
when the target radar echo energy value is larger than the static set threshold value, determining that the target object state corresponding to the intelligent sensing lamp is a target object state; otherwise, determining the target object state as a no-target object state.
4. The method of claim 2, wherein said separately controlling the lighting state of the smart sensor light as a function of the targeted object state and the untargeted object state comprises:
when the target object state corresponding to the intelligent sensing lamp is determined to be the target object-free state, controlling the intelligent sensing lamp to be turned off;
and when the target object state corresponding to the intelligent sensing lamp is determined to be the target object state, calculating the target distance of the target object according to the radar echo data, and controlling the lighting state of the intelligent sensing lamp according to the target distance.
5. The method of claim 4, wherein the calculating a target distance of a target object from the radar echo data comprises:
acquiring an echo energy peak value according to the radar echo data;
calculating a spectral energy center of gravity according to the echo energy peak value;
and calculating the target distance of the target object according to the center of gravity of the spectral energy.
6. The method of claim 4 or 5, wherein said controlling the lighting state of the smart sensor light according to the target distance comprises:
detecting whether the target radar echo energy value is larger than a motion set threshold value or not;
if yes, determining that the target object is in a motion state, and controlling the lighting state of the intelligent sensing lamp according to the movement of the target object and the target distance;
if not, determining that the target object is in a static state, and controlling the lighting state of the intelligent perception lamp according to the target distance.
7. A smart sensor lamp control apparatus, the apparatus comprising:
the calculation module is used for calculating the target radar echo energy value according to the radar echo data;
the detection module is used for detecting a target object state corresponding to the intelligent sensing lamp according to the target radar echo energy value and a static set threshold value, wherein the target object state comprises a target object state and a target object-free state;
and the control module is used for respectively controlling the lighting state of the intelligent perception lamp according to the target object state and the non-target object state.
8. The apparatus of claim 7, wherein the computing module is specifically configured to:
acquiring radar echo sampling data;
and carrying out complex modulus value calculation according to the radar echo sampling data to obtain the target radar echo energy value.
9. The apparatus of claim 7, wherein the detection module is specifically configured to:
when the target radar echo energy value is larger than the static set threshold value, determining that the target object state corresponding to the intelligent sensing lamp is a target object state; otherwise, determining the target object state as a no-target object state.
10. An intelligent perception lamp control device, comprising:
the millimeter wave sensor chip is used for acquiring radar echo data;
a controller comprising at least one processor, and a memory communicatively coupled to the at least one processor, the memory storing instructions executable by the at least one processor to enable the at least one processor to perform the method of any of claims 1-6 based on the radar echo data.
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