CN114531758A - Non-contact type action induction intelligent control method and system based on radar radio frequency technology - Google Patents
Non-contact type action induction intelligent control method and system based on radar radio frequency technology Download PDFInfo
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- CN114531758A CN114531758A CN202210029613.2A CN202210029613A CN114531758A CN 114531758 A CN114531758 A CN 114531758A CN 202210029613 A CN202210029613 A CN 202210029613A CN 114531758 A CN114531758 A CN 114531758A
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- moving target
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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
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/04—Systems determining presence of a 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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
Abstract
The invention provides a non-contact type action induction intelligent control method and system based on a radar radio frequency technology, a moving target is detected in real time through a radar module, the MCU module is informed to count or zero the triggering times of the moving target, the MCU module controls a lamp to enter an on state or an off state according to the current counting result of the triggering times of the moving target, and controls a PWM control module to enter a PMW increasing mode or a PMW reducing mode according to delaytime waiting time, so that the switching and dimming functions are finally realized, the development cost is low, the intelligent control of the lamp in different working modes is obviously reduced, and the user experience and convenience are improved.
Description
Technical Field
The invention relates to the technical field of radar radio frequency, in particular to a non-contact type action induction intelligent control method and system based on the radar radio frequency technology.
Background
The existing induction lamp generally induces sound in a certain distance or moves a human body through a sound induction module, an ultrasonic induction module or an infrared induction module, so that a power switch is triggered to enable the induction lamp to be turned on to illuminate a pedestrian passageway, and the induction lamp is turned off immediately after the human body passes through the passageway. Because the sensing distance of the sound sensing module, the ultrasonic sensing module or the infrared sensing module is very short, the sound sensing module, the ultrasonic sensing module or the infrared sensing module can sense the human body when the human body is close to the human body or the sound is very loud; in addition, the lamp shade of current response lamp is mostly ordinary lens, only plays printing opacity, the effect of component in the protection lamp, just so can not realize opening the response lamp in the people passageway in the place ahead in advance, and people often will lean on nearer or loud trample or shout or black and move ahead when walking the people passageway that is equipped with the response lamp, and is very inconvenient, and intelligent degree is low. In contrast, the radar information system is also widely used gradually, and product development is mainly performed based on hardware platforms such as an FPGA and a DSP, which leads to high development cost and complex applied algorithm, requires a large computational power of the MCU, and is not suitable for lighting products of common consumers.
Disclosure of Invention
Aiming at the technical problems, the invention provides a non-contact action induction intelligent control method and system based on a radar radio frequency technology, which utilize the moving target identification function of a radar module and a defined logic conversion control link to realize the functions of controlling a switch and dimming by utilizing the air separation and waving hands.
Specifically, the non-contact action induction intelligent control method based on the radar radio frequency technology comprises the following steps:
s1: defining system initial parameters;
s2: detecting whether a moving target exists, if so, accumulating the times and converting S3; otherwise, resetting the times;
s3: judging the triggering times of the moving target, changing the lamp state into the lamp-on state if the lamp is in the lamp-off state when the triggering times of the moving target are more than or equal to 1 and less than a critical value M, switching the zero clearing mode into delaytime, and restarting timing; if the lamp is in the on state, the PMW increasing mode is entered.
Preferably, in the increase PMW mode, when the number of times of moving target triggering is greater than or equal to 1 and less than the threshold value M, and the delaytime waiting time is greater than N, the lamp state is changed to the lamp-off state.
Preferably, in the increase PMW mode, when the number of times of triggering the moving target is greater than M and the delaytime waiting time is greater than N, the PWM output value is increased by a preset increase slope.
Preferably, in the increase PMW mode, when no moving target is detected and the number of times is cleared, the decrease PMW mode is entered, the delaytime waiting time is cleared, and the timing is restarted.
Preferably, in the PMW reduction mode, when the number of times of triggering the moving target is greater than M and the delaytime waiting time is greater than N, the PWM output value is reduced by a preset slope value.
Preferably, in the PMW reduction mode, when the number of retriggering the moving target is cleared, the PMW increase mode is entered again, the clear mode is switched to delaytime, and the timer is restarted.
And when the moving target triggering times are more than 1 and less than the critical value M and the delaytime waiting time is more than N, changing the lamp state into the lamp-off state.
The maximum value of the duty ratio of the PWM output value is 100%, and the minimum value of the duty ratio of the PWM output value is 10%.
As another preferred embodiment, the present invention further provides a radar-based radio frequency technology-based non-contact motion-sensing intelligent control system, which at least includes:
the radar module, the MCU module and the PWM control module are arranged at the intelligent lamp end;
the radar module is used for detecting a moving target in real time and informing the MCU module to count or clear the triggering times of the moving target;
and the MCU module controls the lamp to enter an on state or an off state according to the current counting result of the trigger times of the moving target, and controls the PWM control module to enter a PMW increasing mode or a PMW decreasing mode according to delaytime waiting time.
Wherein, the counting or zero clearing of the triggering times of the moving target further comprises: and when the moving target is detected, accumulating the triggering times of the moving target, and clearing the triggering times of the moving target when the moving target is not detected.
Further, the MCU module further includes the following control programs:
when the detection result is that the number of times of triggering the moving target is more than or equal to 1 and less than a critical value M, if the headlight is in an off state, the light state is changed into the off state; if the front light is in an on state, entering a PMW increasing mode;
in the PMW increasing mode, when the triggering times of the moving target are more than or equal to 1 and less than a critical value M and the delaytime waiting time is more than N, the lamp state is changed into a lamp-off state; when the triggering times of the moving target are more than M and the delaytime waiting time is more than N, increasing the PWM output value by a preset increasing slope; when no moving target is detected and the times are reset, entering a PMW reducing mode, resetting delaytime waiting time and restarting timing;
in the PMW reducing mode, when the triggering times of the moving target are more than M and the delaytime waiting time is more than N, reducing the PWM output value by a preset slope value; when the number of times of re-triggering the moving target is cleared, entering the PMW increasing mode again, switching the clear mode into delaytime, and restarting timing; and when the moving target triggering times are more than 1 and less than the critical value M and the delaytime waiting time is more than N, changing the lamp state into the lamp-off state.
In summary, the invention provides a non-contact type motion sensing intelligent control method and system based on a radar radio frequency technology, a moving target is detected in real time through a radar module, and the MCU module is informed to count or clear the triggering times of the moving target, so that the MCU module controls a lamp to enter an on state or an off state according to the current counting result of the triggering times of the moving target, and controls the PWM control module to enter a PMW increasing mode or a PMW reducing mode according to delaytime waiting time, and finally, the switching and dimming functions are realized, the development cost is low, the intelligent control of the lamp in different working modes is obviously reduced, and the user experience and convenience are improved.
Drawings
Fig. 1 is a schematic diagram of a non-contact motion sensing intelligent control method based on a radar radio frequency technology according to the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, in the whole working process of the non-contact type motion sensing intelligent control method based on the radar radio frequency technology, a lamp includes two working states: turning on and turning off the lamp, and setting the initial state as follows: a light-off state; there are two modes of regulation: increase PMW and decrease PMW.
Wherein, the switching of two states of turning on the light and turning off the light, the judgement condition is respectively:
switching from off to on: the number of trigger times of the moving target is greater than or equal to 1 and less than a critical value M.
Switching from turning on to turning off: the number of trigger times of the moving target is greater than 1 and less than the threshold value M, and the delaytime waiting time is greater than 1 s.
When in the light-on state, optionally including: increasing the PMW mode and reducing the PMW mode, wherein the judgment conditions are respectively as follows:
increase PMW mode: when the lamp is in an on state, the lamp automatically enters a PMW increasing mode and is in a regulating and controlling waiting state, and the PMW output value is adjusted until the triggering time of the moving target is detected to be greater than M and the delaytime waiting time is greater than 1s, namely the PWM output value is increased by a preset increasing slope.
Entering a reduced PMW mode from an increased PMW mode: and when no moving target is detected and the times are cleared, entering a PMW reducing mode, clearing the delaytime waiting time and restarting timing.
Reduced PMW mode: when the trigger time of the moving target is greater than M and the delaytime waiting time is greater than 1s, the PWM output value is reduced by a preset slope value.
Entering from the decrease PMW mode to the increase PMW mode: and when no moving target is detected and the times are cleared, entering a PMW increasing mode, clearing the delaytime waiting time and restarting timing.
Switch from increase PMW mode to off: and when the moving target triggering times are more than or equal to 1 and less than the critical value M and the delaytime waiting time is more than 1s, changing the lamp state into the lamp-off state.
Switch from reduced PMW mode to off: and when the moving target triggering times are more than 1 and less than the critical value M and the delaytime waiting time is more than 1s, changing the lamp state into the lamp-off state.
Preferably, the waiting time N may be set according to specific situations, but is not limited thereto.
Specifically, the non-contact action induction intelligent control method based on the radar radio frequency technology comprises the following steps:
s1: defining system initial parameters;
s2: detecting whether a moving target exists, if so, accumulating the times and converting S3; otherwise, resetting the times;
s3: judging the triggering times of the moving target, changing the lamp state into the lamp-on state if the lamp is in the lamp-off state when the triggering times of the moving target are more than or equal to 1 and less than a critical value M, converting the zero clearing mode into delaytime, and restarting timing; if the lamp is in the on state, the PMW increasing mode is entered.
Preferably, in the increase PMW mode, when the number of times of moving target triggering is greater than or equal to 1 and less than the threshold value M, and the delaytime waiting time is greater than N, the lamp state is changed to the lamp-off state.
Preferably, in the increase PMW mode, when the number of times of triggering the moving target is greater than M and the delaytime waiting time is greater than N, the PWM output value is increased by a preset increase slope.
Preferably, in the increase PMW mode, when no moving target is detected and the number of times is cleared, the decrease PMW mode is entered, the delaytime waiting time is cleared, and the timing is restarted.
Preferably, in the PMW reduction mode, when the number of times of triggering the moving target is greater than M and the delaytime waiting time is greater than N, the PWM output value is reduced by a preset slope value.
Preferably, in the reduced PMW mode, when the number of retriggering times of the moving object is cleared, the increased PMW mode is entered again, the mode is switched to the wait time delaytime, the wait time delaytime is cleared, and the timing is restarted.
Preferably, in the PMW reduction mode, when the number of times of moving target triggering is greater than 1 and less than the threshold value M, and the delaytime waiting time is greater than N, the lamp state is changed to the lamp-off state.
The maximum value of the duty ratio of the PWM output value is 100%, and the minimum value of the duty ratio of the PWM output value is 10%.
As another preferred embodiment, the present invention further provides a radar-based radio frequency technology-based non-contact motion-sensing intelligent control system, which at least includes:
the radar module, the MCU module and the PWM control module are arranged at the intelligent lamp end;
the radar module is used for detecting a moving target in real time and informing the MCU module to count or clear the triggering times of the moving target;
and the MCU module controls the lamp to enter an on state or an off state according to the current counting result of the trigger times of the moving target, and controls the PWM control module to enter a PMW increasing mode or a PMW decreasing mode according to delaytime waiting time.
Wherein, the counting or zero clearing of the triggering times of the moving target further comprises: and when the moving target is detected, accumulating the triggering times of the moving target, and clearing the triggering times of the moving target when the moving target is not detected.
Further, the MCU module further includes the following control programs:
when the detection result is that the triggering times of the moving target are more than or equal to 1 and less than a critical value M, if the headlight is in an off state, the light state is changed into the off state; if the headlight is in the on state, entering into the PMW increasing mode;
in the PMW increasing mode, when the triggering times of the moving target are more than or equal to 1 and less than a critical value M and the delaytime waiting time is more than N, the lamp state is changed into a lamp-off state; when the triggering times of the moving target are more than M and the delaytime waiting time is more than N, increasing the PWM output value by a preset increasing slope; when no moving target is detected and the times are reset, entering a PMW reducing mode, resetting delaytime waiting time and restarting timing;
in the PMW reducing mode, when the triggering times of the moving target are more than M and the delaytime waiting time is more than N, reducing the PWM output value by a preset slope value; when the number of times of re-triggering the moving target is cleared, entering the PMW increasing mode again, switching the clear mode into delaytime, and restarting timing; and when the moving target triggering times are more than 1 and less than the critical value M and the delaytime waiting time is more than N, changing the lamp state into the lamp-off state.
Preferably, the critical value M may be set according to actual conditions, but is not limited thereto.
Preferably, the 9.85GHz X-band radar system is adopted as the radar module to detect the moving target in real time, and the adopted model and specification can be replaced or optimized according to actual requirements without limitation.
The radar-radio-frequency-technology-based non-contact action induction intelligent control method and system realize the functions of switching and dimming mainly by utilizing the non-contact property of the radar to carry out switching and simple function definition, finally realize the regulation and control of different working states of the lamp by waving hands of a user through carrying out function definition on the triggering times and the time delay of the radar moving target, preferably, the delaytime waiting time can be adjusted according to the actual requirements, and are not limited to the above.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A non-contact action induction intelligent control method based on a radar radio frequency technology is characterized by comprising the following steps:
s1: defining system initial parameters;
s2: detecting whether a moving target exists, if so, accumulating the times and converting S3; otherwise, resetting the times;
s3: judging the triggering times of the moving target, changing the lamp state into the lamp-on state if the lamp is in the lamp-off state when the triggering times of the moving target are more than or equal to 1 and less than a critical value M, switching the zero clearing mode into delaytime, and restarting timing; if the lamp is in the on state, the PMW increasing mode is entered.
2. The radar radio frequency technology-based non-contact motion sensing intelligent control method according to claim 1, further comprising: in the increase PMW mode, when the number of times of moving target triggering is greater than 1 or equal to and less than the threshold value M and the delaytime waiting time is greater than N, the lamp state is changed to the off state.
3. The radar radio frequency technology-based non-contact motion sensing intelligent control method according to claim 2, further comprising: in the PMW increasing mode, when the triggering times of the moving target are greater than M and the delaytime waiting time is greater than N, the PWM output value is increased by a preset increasing slope.
4. The radar radio frequency technology-based non-contact motion sensing intelligent control method according to claim 3, further comprising:
in the PMW increasing mode, when no moving target is detected and the times are cleared, the PMW decreasing mode is entered, the delaytime waiting time is cleared, and the timing is restarted.
5. The radar radio frequency technology-based non-contact motion sensing intelligent control method according to claim 4, further comprising: and in the PMW reducing mode, when the triggering times of the moving target are greater than M and the delaytime waiting time is greater than N, reducing the PWM output value by a preset slope value.
6. The radar radio frequency technology-based non-contact motion sensing intelligent control method according to claim 5, further comprising: under the PMW reducing mode, when the number of times of re-triggering the moving target is cleared, the PMW increasing mode is entered again, the clearing mode is switched to delaytime, and timing is started again;
and when the moving target triggering times are more than 1 and less than the critical value M and the delaytime waiting time is more than N, changing the lamp state into the lamp-off state.
7. The radar radio frequency technology-based non-contact motion sensing intelligent control method according to claim 6, further comprising: the maximum value of the duty ratio of the PWM output value is 100%, and the minimum value is 10%.
8. A non-contact action induction intelligent control system based on radar radio frequency technology is characterized by at least comprising:
the radar module, the MCU module and the PWM control module are arranged at the intelligent lamp end;
the radar module is used for detecting a moving target in real time and informing the MCU module to count or clear the triggering times of the moving target;
and the MCU module controls the lamp to enter an on state or an off state according to the current counting result of the trigger times of the moving target, and controls the PWM control module to enter a PMW increasing mode or a PMW decreasing mode according to delaytime waiting time.
9. The radar radio frequency technology-based non-contact motion sensing intelligent control system according to claim 8, wherein the moving target triggering times counting or clearing further comprises: and when the moving target is detected, accumulating the triggering times of the moving target, and clearing the triggering times of the moving target when the moving target is not detected.
10. The radar radio frequency technology-based non-contact motion sensing intelligent control system according to claim 9, wherein the MCU module further comprises the following control programs:
when the detection result is that the number of times of triggering the moving target is more than or equal to 1 and less than a critical value M, if the headlight is in an off state, the light state is changed into the off state; if the front light is in an on state, entering a PMW increasing mode;
in the PMW increasing mode, when the triggering times of the moving target are more than or equal to 1 and less than a critical value M and the delaytime waiting time is more than N, the lamp state is changed into a lamp-off state; when the triggering times of the moving target are more than M and the delaytime waiting time is more than N, increasing the PWM output value by a preset increasing slope; when no moving target is detected and the times are reset, entering a PMW reducing mode, resetting delaytime waiting time and restarting timing;
in the PMW reducing mode, when the triggering times of the moving target are more than M and the delaytime waiting time is more than N, reducing the PWM output value by a preset slope value; when the number of times of re-triggering the moving target is cleared, entering the PMW increasing mode again, switching the clear mode into delaytime, and restarting timing; and when the moving target triggering times are more than 1 and less than the critical value M and the delaytime waiting time is more than N, changing the lamp state into the lamp-off state.
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| CN114531758B (en) | 2023-03-24 |
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