CN110933805B - Ultraviolet degerming LED induction lamp and control method thereof - Google Patents
Ultraviolet degerming LED induction lamp and control method thereof Download PDFInfo
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Abstract
The invention discloses an ultraviolet degerming LED induction lamp and a control method thereof, wherein the ultraviolet degerming LED induction lamp comprises a degerming lamp and an illuminating lamp, and comprises the following components: detecting an ambient light intensity signal; when the ambient light intensity signal is determined to be equal to or smaller than a preset intensity signal, detecting whether a human body induction signal exists; when the human body induction signal is detected, the illuminating lamp is controlled to be turned on; after the illuminating lamp is turned on, if the human body induction signal is not detected within a first preset time, controlling the illuminating lamp to be turned off, and controlling the sterilizing lamp to be turned on; and after the sterilizing lamp is continuously lightened for a second preset time, controlling the sterilizing lamp to be extinguished. This ultraviolet degerming LED response lamp can realize the function of illumination and degerming, and the function is abundanter, realizes automatic control, avoids manual operation's loaded down with trivial details process, simple and practical, and degerming is respond well, improves user experience.
Description
Technical Field
The invention relates to the technical field of LED lighting lamps, in particular to an ultraviolet degerming LED induction lamp and a control method thereof.
Background
The degerming lamp on the existing market has the effect of degerming, but can not play the effect of illumination, and the degerming lamp still needs the manual work to realize the function of degerming through on-off control, brings very big inconvenience for the user, and the degerming lamp function singleness among the prior art, it is more loaded down with trivial details and degerming effect not good to operate, and the experience for the user is very poor.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the art described above. Therefore, the first purpose of the invention is to provide a control method of an ultraviolet degerming LED induction lamp, which can realize the functions of illumination and degerming, has more abundant functions, realizes automatic control, avoids the complicated process of manual operation, is simple and practical, has good degerming effect, and improves user experience.
The second purpose of the invention is to provide an ultraviolet degerming LED induction lamp.
In order to achieve the above object, an embodiment of a first aspect of the present invention provides a method for controlling an ultraviolet sterilization LED sensor lamp, where the ultraviolet sterilization LED sensor lamp includes a sterilization lamp and an illumination lamp, and includes:
detecting an ambient light intensity signal;
when the ambient light intensity signal is determined to be equal to or smaller than a preset intensity signal, detecting whether a human body induction signal exists;
when the human body induction signal is detected, the illuminating lamp is controlled to be turned on;
after the illuminating lamp is turned on, if the human body induction signal is not detected within a first preset time, controlling the illuminating lamp to be turned off, and controlling the sterilizing lamp to be turned on;
and after the sterilizing lamp is continuously lightened for a second preset time, controlling the sterilizing lamp to be extinguished.
According to the control method of the ultraviolet degerming LED induction lamp in the embodiment of the first aspect of the present invention, when the ambient light intensity signal is detected to be equal to or less than the preset intensity signal, whether a human body induction signal exists is detected, the human body induction signal indicates that a user has moved into the induction range of the ultraviolet degerming LED induction lamp, the illumination lamp is turned on for illumination, after the illumination lamp is turned on, if the human body induction signal is not detected within the first preset time, it indicates that the user has left the induction range of the ultraviolet degerming LED induction lamp and has reached the first preset time, the illumination lamp is turned off, the degerming lamp is turned on for degerming the induction range of the ultraviolet degerming LED induction lamp, after the degerming lamp operates for the second preset time, the degerming operation is completed. This ultraviolet degerming LED response lamp can realize the function of illumination and degerming, and the function is abundanter, realizes automatic control, and the loaded down with trivial details process of avoiding manual operation is avoided to the using electricity wisely, simple and practical, and degerming is respond well, improves user experience.
According to some embodiments of the invention, the uv sterilizing LED sensor light comprises an auto mode, an ON mode, an OFF mode; before detecting the ambient light intensity signal, still include with ultraviolet degerming LED response lamp switches to automatic mode.
According to some embodiments of the invention, the method for controlling the ultraviolet sterilization LED sensor lamp comprises:
after the sterilizing lamp is lightened, when the human body induction signal is detected, the sterilizing lamp is turned off, and the illuminating lamp is lightened;
after the illuminating lamp is turned on, if the human body induction signal is not detected within a first preset time, the illuminating lamp is turned off, and the sterilizing lamp is turned on.
According to some embodiments of the invention, the method for controlling the ultraviolet sterilization LED sensor lamp comprises:
and after the sterilizing lamp is extinguished for a third preset time and the human body induction signal is not detected, controlling the sterilizing lamp to be turned on for the second preset time and then to be extinguished.
According to some embodiments of the invention, said switching said uv-sterilizing LED-sensing light to an automatic mode comprises manual switching or timed automatic switching; the manual switching is carried out by manually controlling a mode switch of the ultraviolet degerming LED induction lamp to switch modes; the timing automatic switching is performed to the ultraviolet degerming LED induction lamp, and the automatic switching is performed to an automatic mode according to set time.
According to some embodiments of the invention, the human body sensing signal comprises an acoustic signal and/or a human body infrared signal.
According to some embodiments of the present invention, when the human body induction signal includes a sound signal and a human body infrared signal, detecting the human body induction signal by a dual detection system includes:
step A1: acquiring the detected ambient light intensity signal, judging whether the ambient light intensity signal is equal to or less than a preset intensity signal through a formula (1), and primarily judging whether a human body induction signal exists according to a judgment result:
wherein l (θ) is a probability that the ambient light intensity signal is equal to or less than a preset intensity signal, θ (mean difference, variance) is a distribution parameter that the ambient light intensity signal is equal to or less than the preset intensity signal, log is used to solve a maximum value that the ambient light intensity signal is equal to or less than the preset intensity signal probability, p is used to detect whether there is a human body sensing signal probability, z is an implicit variable, z ═ 0 marks that no human body sensing signal sample is detected or z ═ 1 marks that a human body sensing signal sample is detected, q (z) is a distribution function of z, is used to calculate a result of the human body sensing signal probability, x (θ) is a probability that the ambient light intensity signal is equal to or lessiA set of samples representing the ambient light intensity signal, representing a sample x (1)..... x (m), comprising m independent samples;
step A2, when the l (theta) probability is more than or equal to 0.7, preliminarily judging a human body induction signal, acquiring a human body infrared signal and a human body sound signal, and forming a characteristic value matrix:
wherein, | λ M-A | represents different daA characteristic value matrixes of the human infrared signals; the | μ M-B | represents a characteristic value matrix of different data of the sound signal; lambda [ alpha ]0......λnN characteristic values representing human body infrared ray signals, A representing human body infrared ray signals, a11......annB represents different data values of the infrared signal of the human body, B represents a sound signal, B11nnRepresenting different data values of a sound signal, the data is spatially linearly transformed by the following equation (2):
wherein the content of the first and second substances,
for the model after the linear fitting, the model,
for the preset characteristic value, the human body induction data and/or the sound characteristic value data are transmitted into the DiθThe function performs feature combination:
wherein TP is the predetermined noise data power density, S, N are respectivelyThe signal data strength and the noise data strength of the dual detection system,
in order to extract important features in the combined features, PD is the radiation power density received by the double-detection system, and delta f is the amplifier bandwidth of the double-detection system; diθThe larger the signal is, the stronger the detected human body induction signal is;
step A3: calculating the actual distance from the combined characteristic data to the ultraviolet degerming LED induction lamp according to a formula (3), and controlling whether to light the illuminating lamp or not:
wherein L ∞ (di, dj) is an actual distance from the combined feature data to the UV-sterilizing LED sensor lamp, di is position data of the UV-sterilizing LED sensor lamp, dj is position data of a human body, and max islThe maximum distance between the human body and the ultraviolet degerming LED induction lamp,
the radiation data of different directions of the sterilizing lamp of the ultraviolet sterilizing LED induction lamp,
is the user sample set x (1) ·...... x (j), comprising l independent samples; when the calculation result of the formula (4) is less than or equal to the preset data, controlling to light the illuminating lamp; otherwise, the illuminating lamp is turned off.
In order to achieve the above object, a second embodiment of the present invention provides an ultraviolet sterilization LED induction lamp, which includes a sterilization lamp and an illumination lamp, and further includes:
the first detection module is used for detecting an ambient light intensity signal;
the second detection module is used for detecting whether a human body induction signal exists or not when the ambient light intensity signal is determined to be equal to or smaller than a preset intensity signal;
the control module is used for controlling the illumination of the illuminating lamp when the second detection module detects the human body induction signal;
the second detection module is used for detecting no human body induction signal within a first preset time after the illuminating lamp is turned on, controlling the illuminating lamp to be turned off, and controlling the sterilizing lamp to be turned on;
and the sterilizing lamp is controlled to be turned off after the sterilizing lamp is turned on for a second preset time.
According to the ultraviolet degerming LED induction lamp disclosed by the embodiment of the second aspect of the invention, when the detected ambient light intensity signal is equal to or less than the preset intensity signal, whether a human body induction signal exists is detected, the human body induction signal indicates that a user has walked into the induction range of the ultraviolet degerming LED induction lamp, the illuminating lamp is turned on for illumination, after the illuminating lamp is turned on, if the human body induction signal is not detected within the first preset time, the user is indicated that the user leaves the induction range of the ultraviolet degerming LED induction lamp and has reached the first preset time, the illuminating lamp is turned off, the degerming lamp is turned on for degerming the induction range of the ultraviolet degerming LED induction lamp, after the degerming lamp works for the second preset time, the degerming operation is finished, and the. This ultraviolet degerming LED response lamp can realize the function of illumination and degerming, and the function is abundanter, realizes automatic control, and the loaded down with trivial details process of avoiding manual operation is avoided to the using electricity wisely, simple and practical, and degerming is respond well, improves user experience.
According to some embodiments of the invention, the uv sterilizing LED sensor light comprises an auto mode, an ON mode, an OFF mode; the control module is also used for automatically switching the ultraviolet degerming LED induction lamp to an automatic mode according to set time.
According to some embodiments of the invention, the control module is further configured to control the sterilizing lamp to be turned off and control the illuminating lamp to be turned on when the second detecting module detects the human body sensing signal after the sterilizing lamp is turned on.
According to some embodiments of the invention, the control module is further configured to control the degerming lamp to be turned on for a second preset time and then turned off when the degerming lamp is turned off for a third preset time and the second detection module does not detect the human body induction signal.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a flow chart of a method of controlling an ultraviolet germicidal LED sensor lamp in accordance with one embodiment of the present invention;
FIG. 2 is a block diagram of an ultraviolet degerming LED sensor lamp, in accordance with one embodiment of the present invention.
Reference numerals:
ultraviolet degerming LED response lamp 10, first detection module 1, second detection module 2, control module 3, degerming lamp 4, light 5.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
An ultraviolet sterilization LED sensor lamp 10 and a control method thereof according to an embodiment of the present invention will be described with reference to fig. 1 to 2.
Before describing the ultraviolet sterilization LED induction lamp 10 and the control method thereof, the application scenarios related to the embodiments of the present disclosure will be described first. The ultraviolet degerming LED induction lamp 10 is designed and suitable for being used in a darkroom environment with weak light, such as a wardrobe, a cabinet, a water tank and the like, and the ultraviolet degerming LED induction lamp 10 has the functions of illumination and degerming.
FIG. 1 is a flow chart of a method of controlling an ultraviolet germicidal LED sensor lamp in accordance with one embodiment of the present invention; as shown in fig. 1, a first embodiment of the present invention provides a method for controlling an ultraviolet sterilization LED sensor lamp 10, where the ultraviolet sterilization LED sensor lamp 10 includes a sterilization lamp 4 and an illumination lamp 5, and includes:
detecting an ambient light intensity signal;
when the ambient light intensity signal is determined to be equal to or smaller than a preset intensity signal, detecting whether a human body induction signal exists;
when the human body induction signal is detected, the illuminating lamp 5 is controlled to be turned on;
after the illuminating lamp 5 is turned on, if the human body induction signal is not detected within a first preset time, controlling the illuminating lamp 5 to be turned off, and controlling the sterilizing lamp 4 to be turned on;
and after the sterilizing lamp 4 is turned on for a second preset time, controlling the sterilizing lamp 4 to be turned off.
The working principle of the technical scheme is as follows: when detecting environment light intensity signal and being equal to or being less than preset intensity signal, whether detect human body induction signal, explain that the user has walked into the response scope of ultraviolet degerming LED response lamp 10, light 5 just can light and be used for the illumination, light 5 lights the back, if not detect human body induction signal in first preset time, explain that the user leaves the response scope of ultraviolet degerming LED response lamp 10 and has reached first preset time, light 5 extinguishes, degerming lamp 4 lights and is used for carrying out the degerming for the response scope of ultraviolet degerming LED response lamp 10, degerming lamp 4 work second preset time after, degerming operation has been accomplished, control degerming lamp 4 extinguishes.
The ambient light intensity signal can be detected through the photosensitive sensor, and the photosensitive sensor is a sensor for converting an optical signal into an electric signal by using a photosensitive element, so that the cost is low and the sensitivity is high.
The human body induction signal comprises a sound signal and/or a human body infrared signal. Illustratively, the human body sensing signal includes a sound signal, which can be detected by a sound control sensor, and when the sound signal is detected, it indicates that the user has gone into the sensing range of the ultraviolet degerming LED sensing lamp 10, and at this time, the illuminating lamp 5 is turned on to provide illumination for the user, which is convenient for the user. The human body sensing signal comprises a human body infrared signal, the human body temperature and the motion of the human body can be detected through the pyroelectric infrared sensor, when the human body infrared signal is detected, the fact that the user has moved into the sensing range of the ultraviolet degerming LED sensing lamp 10 is shown, and the illuminating lamp 5 is turned on to provide illumination for the user, so that convenience is brought to the user. The pyroelectric infrared sensor has strong anti-interference performance, and can more accurately detect human body induction signals. Preferably, human response signal includes sound signal and human infrared signal, detect sound signal and human infrared signal respectively when passing through acoustic control sensor and pyroelectric infrared sensor, show that the user has walked into the response scope of ultraviolet degerming LED response lamp 10, light 5 lights and is used for providing the illumination for the user this moment, convenience of customers, acoustic control sensor and pyroelectric infrared sensor detect human response signal simultaneously, the condition of misdetection avoids appearing, make light 5 light when unmanned, the extravagant electric energy source, can improve the accuracy to human detection, and energy is saved.
The first preset time is a time set by the user, and may be 20s or 30s, which is not limited in the present invention.
The second preset time is a time set by the user, and may be 60s or 70s, which is not limited in the present invention.
Preferably, the second preset time is longer than the first preset time, for example, the second preset time is 60s, and the first preset time is 20 s.
The beneficial effects of the above technical scheme are that: this ultraviolet degerming LED response lamp 10 can realize the function of illumination and degerming, and the function is abundanter, realizes automatic control, and the loaded down with trivial details process of manual operation is avoided to the power saving, simple and practical, and degerming is respond well, improves user experience.
In one embodiment, when the human body induction signal includes an acoustic signal and a human body infrared signal, the detecting the human body induction signal by the dual detection system includes:
step A1: acquiring the detected ambient light intensity signal, judging whether the ambient light intensity signal is equal to or less than a preset intensity signal through a formula (1), and primarily judging whether a human body induction signal exists according to a judgment result:
wherein l (θ) is a probability that the ambient light intensity signal is equal to or less than a preset intensity signal, θ (mean difference, variance) is a distribution parameter that the ambient light intensity signal is equal to or less than the preset intensity signal, log is used to solve a maximum value that the ambient light intensity signal is equal to or less than the preset intensity signal probability, p is used to detect whether there is a human body sensing signal probability, z is an implicit variable, z ═ 0 marks that no human body sensing signal sample is detected or z ═ 1 marks that a human body sensing signal sample is detected, q (z) is a distribution function of z, is used to calculate a result of the human body sensing signal probability, x (θ) is a probability that the ambient light intensity signal is equal to or lessiA sample set representing the ambient light intensity signal, representing a sample x (1...... x (m)), comprising m independent samples;
step A2, when the l (theta) probability is more than or equal to 0.7, preliminarily judging a human body induction signal, acquiring a human body infrared signal and a human body sound signal, and forming a characteristic value matrix:
wherein, | λ M-A | represents different daA characteristic value matrixes of the human infrared signals; the | μ M-B | represents a characteristic value matrix of different data of the sound signal; lambda [ alpha ]0......λnTo representN characteristic values of the human body infrared ray signal, A representing the human body infrared ray signal, a11......annRepresenting different data values of the infrared signal of the human body, B representing an acoustic signal, B11......bnnRepresenting different data values of a sound signal, the data is spatially linearly transformed by the following equation (2):
wherein the content of the first and second substances,
for the model after the linear fitting, the model,
for the preset characteristic value, the human body induction data and/or the sound characteristic value data are transmitted into the DiθThe function performs feature combination:
wherein TP is the predetermined noise data power density, S, N is the signal data intensity and the noise data intensity of the dual detection system,
in order to extract important features in the combined features, PD is the radiation power density received by the double-detection system, and delta f is the amplifier bandwidth of the double-detection system; diθThe larger the signal is, the stronger the detected human body induction signal is;
step A3: calculating the actual distance from the combined characteristic data to the ultraviolet degerming LED induction lamp according to a formula (3), and controlling whether to light the illuminating lamp or not:
wherein L ∞ (di, dj) is an actual distance from the combined feature data to the UV-sterilizing LED sensor lamp, di is position data of the UV-sterilizing LED sensor lamp, dj is position data of a human body, and max islThe maximum distance between the human body and the ultraviolet degerming LED induction lamp,
the radiation data of different directions of the sterilizing lamp of the ultraviolet sterilizing LED induction lamp,
is the user sample set x (1) ·...... x (j), comprising l independent samples; when the calculation result of the formula (4) is less than or equal to the preset data, controlling to light the illuminating lamp; otherwise, the illuminating lamp is turned off.
Human inductive signal is detected through two detecting systems, and it is more accurate to detect, when detecting human inductive signal, controls the light and extinguishes and light, realizes intelligent control, improves user experience.
According to some embodiments of the present invention, the UV degerming LED sensor light 10 includes an auto mode, an ON mode, an OFF mode; before detecting the ambient light intensity signal, the method further comprises switching the ultraviolet sterilization LED induction lamp 10 to an automatic mode.
The principle and the beneficial effects of the technical scheme are as follows: the ultraviolet sterilization LED induction lamp 10 comprises an automatic mode, an ON mode and an OFF mode; in the OFF mode, the ultraviolet sterilizing LED sensor lamp 10 is in an OFF state. In the ON mode, the ultraviolet degerming LED induction lamp 10 is in a working state, and detects an ambient light intensity signal; when the ambient light intensity signal is determined to be equal to or smaller than the preset intensity signal, detecting whether a human body induction signal exists; when detecting human response signal, light 5 lights, after light 5 lights, human response signal is not detected in the first preset time, then light 5 extinguishes, can realize under the ON mode that ultraviolet degerming LED response lamp 10 lights light 5 according to environment light intensity signal is automatic, leave behind the first preset time of response scope of ultraviolet degerming LED response lamp 10 at the user, light 5 extinguishes automatically, realize automatic switch light 5, the unsafe problem of having avoided the user to manually turn ON the light under dark ring border, the intellectuality of ultraviolet degerming LED response lamp 10, user's use has been made things convenient for, it is that user's life is more healthy, user's experience has been improved. When the sterilization function is realized, the ultraviolet sterilization LED induction lamp 10 is switched to an automatic mode. Under the automatic mode, after light 5 lights, human body induction signal is not detected in the first predetermined time, then light 5 lights out back degerming lamp 4 lights, degerming lamp 4 is used for carrying out degerming work for ultraviolet degerming LED response lamp 10 response within range, degerming lamp 4 is after accomplishing degerming work, extinguish automatically, automatic switch degerming lamp 4 has been realized, when no man-hour in ultraviolet degerming LED response lamp 10 response within range, degerming work carries out, guarantee that user's life is cleaner aseptic, be favorable to user's health, intelligent degerming is realized to ultraviolet degerming LED response lamp 10, user experience has been improved.
According to some embodiments of the present invention, the method for controlling the uv sterilizing LED sensor lamp 10 includes:
after the sterilizing lamp 4 is lightened, when the human body induction signal is detected, the sterilizing lamp 4 is controlled to be turned off, and the illuminating lamp 5 is controlled to be lightened;
after the illuminating lamp 5 is turned on, if the human body induction signal is not detected within a first preset time, the illuminating lamp 5 is controlled to be turned off, and the sterilizing lamp 4 is controlled to be turned on.
The principle and the beneficial effects of the technical scheme are as follows: degerming lamp 4 is carrying out the degerming during operation, and when the user passed through the response scope of ultraviolet degerming LED response lamp 10, the acoustic control sensor detected sound signal and/or pyroelectric infrared sensor and detected human infrared signal, and degerming lamp 4 extinguishes, stops degerming work, avoids the user to receive ultraviolet irradiation, guarantees user's life healthy and safe, lights light 5 for user's illumination, convenience of customers. After the user leaves the first preset time of the sensing range of the ultraviolet degerming LED sensing lamp 10, the illuminating lamp 5 is turned off at the moment, and the degerming lamp 4 is turned on to continue degerming work.
According to some embodiments of the present invention, the method for controlling the uv sterilizing LED sensor lamp 10 includes:
and after the sterilizing lamp 4 is turned off for a third preset time and the human body induction signal is not detected, the sterilizing lamp 4 is turned on for the second preset time and then turned off.
The principle of the technical scheme is as follows: after the sterilizing lamp 4 finishes sterilizing for the third preset time, the third preset time may be 1 hour or 2 hours, which is not limited in the present invention. Whether human body induction signal through acoustic control sensor and/or pyroelectric infrared sensor detection, when confirming that no man in the 10 response scopes of ultraviolet degerming LED response lamp, degerming lamp 4 lights once more, carries out degerming work.
The beneficial effects of the above technical scheme are that: can guarantee like this that the 10 response within ranges of ultraviolet degerming LED response lamps carry out and last the degerming, guarantee that the degerming is cleaner, be favorable to user's life health safety.
According to some embodiments of the present invention, the switching the uv-sterilizing LED sensor light 10 to the automatic mode comprises manual switching or timed automatic switching; the manual switching is performed manually, and the mode switching is performed by controlling a mode switch of the ultraviolet degerming LED induction lamp 10; the timing automatic switching is performed to the ultraviolet degerming LED induction lamp 10, and the automatic switching is performed to the automatic mode according to the set time.
The principle of the scheme is as follows: switch to the automatic mode with ultraviolet degerming LED response lamp 10 and can carry out the mode switch through user control mode switch, also can be the user for ultraviolet degerming LED response lamp 10 preset time parameter and save at ultraviolet degerming LED response lamp 10, ultraviolet degerming LED response lamp 10 is according to the automatic switch-over of set-up time to automatic mode. For example, the user sets the parameter to 18:00 to switch the uv sterilizing LED sensor lamp 10 to the automatic mode, and when 18:00 is reached, the uv sterilizing LED sensor lamp 10 is switched to the automatic mode. For example, the user may also set the parameter to be 24:00, and switch the ultraviolet sterilizing LED sensor lamp 10 to the OFF mode or the ON mode, and when the parameter reaches 24:00, switch the ultraviolet sterilizing LED sensor lamp 10 to the OFF mode or the ON mode.
The beneficial effects of the above technical scheme are that: the ultraviolet degerming LED induction lamp 10 can be turned on or turned off at regular time or switched to an automatic mode, intelligent automatic control is achieved, the requirements of users are met, and user experience is improved.
FIG. 2 is a block diagram of an ultraviolet degerming LED sensor lamp according to one embodiment of the present invention; as shown in fig. 2, a second embodiment of the present invention provides an ultraviolet sterilization LED induction lamp 10, where the ultraviolet sterilization LED induction lamp 10 includes a sterilization lamp 4 and an illumination lamp 5, and further includes:
the first detection module 1 is used for detecting an ambient light intensity signal;
the second detection module 2 is used for detecting whether a human body induction signal exists or not when the ambient light intensity signal is determined to be equal to or smaller than a preset intensity signal;
the control module 3 is used for controlling the illumination of the illuminating lamp 5 when the second detection module 2 detects the human body induction signal;
the second detection module 2 is further configured to control the illumination lamp 5 to be turned off and the sterilization lamp 4 to be turned on when the second detection module 2 does not detect the human body induction signal within a first preset time after the illumination lamp 5 is turned on;
and the controller is also used for controlling the sterilizing lamp 4 to be turned off after the sterilizing lamp 4 is turned on for a second preset time.
The sterilizing lamp 4 comprises 1 UVC ultraviolet LED and 8 UVA ultraviolet LEDs, wherein the UVC ultraviolet LEDs emit short-wave ultraviolet rays, the wavelength of the short-wave ultraviolet rays is 200-290 nanometers, and the influence on the skin is small. The UVA ultraviolet light LED emits long-wave ultraviolet light with the wavelength of 320-400 nanometers, so that the sterilization can be effectively carried out, and the sterilization effect is good.
The first detection module 1 can be a photosensitive sensor, which is a sensor that converts optical signals into electrical signals by using a photosensitive element, and has low cost and high sensitivity.
The second detection module 2 can be an acoustic control sensor and/or a pyroelectric infrared sensor, the sensitivity range of the pyroelectric infrared sensor is 3-4m, the detection angle is 120 degrees, human body induction signals can be effectively and accurately detected, the situation of error detection is avoided, the illuminating lamp 5 is turned on when no person is available, electric energy is wasted, the accuracy of human body detection can be improved, and energy is saved.
The control module 3 can be a single chip microcomputer, is highly integrated, and realizes automatic control of the ultraviolet degerming LED induction lamp 10.
The first preset time is a time set by the user, and may be 20s or 30s, which is not limited in the present invention.
The second preset time is a time set by the user, and may be 60s or 70s, which is not limited in the present invention.
Preferably, the second preset time is longer than the first preset time, for example, the second preset time is 60s, and the first preset time is 20 s.
The principle of the technical scheme is as follows: when detecting environment light intensity signal and being equal to or being less than preset intensity signal, whether detect human body induction signal, explain that the user has walked into the response scope of ultraviolet degerming LED response lamp 10, light 5 just can light and be used for the illumination, light 5 lights the back, if not detect human body induction signal in first preset time, explain that the user leaves the response scope of ultraviolet degerming LED response lamp 10 and has reached first preset time, light 5 extinguishes, degerming lamp 4 lights and is used for carrying out the degerming for the response scope of ultraviolet degerming LED response lamp 10, degerming lamp 4 work second preset time after, degerming operation has been accomplished, control degerming lamp 4 extinguishes.
The beneficial effects of the above technical scheme are that: this ultraviolet degerming LED response lamp 10 can realize the function of illumination and degerming, and the function is abundanter, realizes automatic control, and the loaded down with trivial details process of manual operation is avoided to the power saving, simple and practical, and degerming is respond well, improves user experience.
According to some embodiments of the present invention, the UV degerming LED sensor light 10 includes an auto mode, an ON mode, an OFF mode; the control module 3 is further configured to automatically switch the ultraviolet sterilization LED induction lamp 10 to an automatic mode according to a set time.
The principle and the beneficial effects of the technical scheme are as follows: the ultraviolet sterilization LED induction lamp 10 comprises an automatic mode, an ON mode and an OFF mode; in the OFF mode, the ultraviolet sterilizing LED sensor lamp 10 is in an OFF state. In the ON mode, the ultraviolet degerming LED induction lamp 10 is in a working state, and detects an ambient light intensity signal; when the ambient light intensity signal is determined to be equal to or smaller than the preset intensity signal, detecting whether a human body induction signal exists; when detecting human response signal, light 5 lights, after light 5 lights, human response signal is not detected in the first preset time, then light 5 extinguishes, can realize under the ON mode that ultraviolet degerming LED response lamp 10 lights light 5 according to environment light intensity signal is automatic, leave behind the first preset time of response scope of ultraviolet degerming LED response lamp 10 at the user, light 5 extinguishes automatically, realize automatic switch light 5, the unsafe problem of having avoided the user to manually turn ON the light under dark ring border, the intellectuality of ultraviolet degerming LED response lamp 10, user's use has been made things convenient for, it is that user's life is more healthy, user's experience has been improved. When the sterilization function is realized, the ultraviolet sterilization LED induction lamp 10 is switched to an automatic mode. Under the automatic mode, after light 5 lights, human body induction signal is not detected in the first predetermined time, then light 5 lights out back degerming lamp 4 lights, degerming lamp 4 is used for carrying out degerming work for ultraviolet degerming LED response lamp 10 response within range, degerming lamp 4 is after accomplishing degerming work, extinguish automatically, automatic switch degerming lamp 4 has been realized, when no man-hour in ultraviolet degerming LED response lamp 10 response within range, degerming work carries out, guarantee that user's life is cleaner aseptic, be favorable to user's health, intelligent degerming is realized to ultraviolet degerming LED response lamp 10, user experience has been improved.
Switch to the automatic mode with ultraviolet degerming LED response lamp 10 and can carry out the mode switch through user control mode switch, also can be the user for ultraviolet degerming LED response lamp 10 preset time parameter and save at ultraviolet degerming LED response lamp 10, ultraviolet degerming LED response lamp 10 is according to the automatic switch-over of set-up time to automatic mode. For example, the user sets the parameter to 18:00 to switch the uv sterilizing LED sensor lamp 10 to the automatic mode, and when 18:00 is reached, the uv sterilizing LED sensor lamp 10 is switched to the automatic mode. For example, the user may also set the parameter to be 24:00, and switch the ultraviolet sterilizing LED sensor lamp 10 to the OFF mode or the ON mode, and when the parameter reaches 24:00, switch the ultraviolet sterilizing LED sensor lamp 10 to the OFF mode or the ON mode. The ultraviolet degerming LED induction lamp 10 can be turned on or turned off at regular time or switched to an automatic mode, intelligent automatic control is achieved, the requirements of users are met, and user experience is improved.
According to some embodiments of the present invention, the control module 3 is further configured to control the sterilizing lamp 4 to be turned off and control the illuminating lamp 5 to be turned on when the second detecting module 2 detects the human body sensing signal after the sterilizing lamp 4 is turned on.
The principle and the beneficial effects of the technical scheme are as follows: degerming lamp 4 is carrying out the degerming during operation, and when the user passed through the response scope of ultraviolet degerming LED response lamp 10, the acoustic control sensor detected sound signal and/or pyroelectric infrared sensor and detected human infrared signal, and degerming lamp 4 extinguishes, stops degerming work, avoids the user to receive ultraviolet irradiation, guarantees user's life healthy and safe, lights light 5 for user's illumination, convenience of customers. After the user leaves the first preset time of the sensing range of the ultraviolet degerming LED sensing lamp 10, the illuminating lamp 5 is turned off at the moment, and the degerming lamp 4 is turned on to continue degerming work.
According to some embodiments of the present invention, the control module 3 is further configured to control the germicidal lamp 4 to be turned on for a second preset time and then turned off when the germicidal lamp 4 is turned off for a third preset time and the second detection module 2 does not detect the human body sensing signal.
The principle of the technical scheme is as follows: after the sterilizing lamp 4 finishes sterilizing for the third preset time, the third preset time may be 1 hour or 2 hours, which is not limited in the present invention. Whether human body induction signal through acoustic control sensor and/or pyroelectric infrared sensor detection, when confirming that no man in the 10 response scopes of ultraviolet degerming LED response lamp, degerming lamp 4 lights once more, carries out degerming work.
The beneficial effects of the above technical scheme are that: can guarantee like this that the 10 response within ranges of ultraviolet degerming LED response lamps carry out and last the degerming, guarantee that the degerming is cleaner, be favorable to user's life health safety.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description. And are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (8)
1. The utility model provides a control method of ultraviolet degerming LED response lamp, its characterized in that, ultraviolet degerming LED response lamp includes degerming lamp and light, includes:
detecting an ambient light intensity signal;
when the ambient light intensity signal is determined to be equal to or smaller than a preset intensity signal, detecting whether a human body induction signal exists;
when the human body induction signal is detected, the illuminating lamp is controlled to be turned on;
after the illuminating lamp is turned on, if the human body induction signal is not detected within a first preset time, controlling the illuminating lamp to be turned off, and controlling the sterilizing lamp to be turned on;
after the sterilizing lamp is turned on for a second preset time, controlling the sterilizing lamp to be turned off;
the human body induction signal comprises a sound signal and/or a human body infrared signal;
when human response signal includes sound signal and human infrared signal, detect by two detecting systems human response signal includes:
step A1: acquiring the detected ambient light intensity signal, judging whether the ambient light intensity signal is equal to or less than a preset intensity signal through a formula (1), and primarily judging whether a human body induction signal exists according to a judgment result:
wherein l (theta) is the probability that the ambient light intensity signal is equal to or less than the preset intensity signal, theta (mean difference, variance) is the distribution parameter that the ambient light intensity signal is equal to or less than the preset intensity signal, and log is used for solving that the ambient light intensity signal is equal to or less than the preset intensity signalThe maximum value of the probability, p is used for detecting whether there is human body induction signal probability, z is a hidden variable, a sample which does not detect the human body induction signal is marked with z equal to 0 or a sample which detects the human body induction signal is marked with z equal to 1, Q (z) is a distribution function of z and is used for calculating the result of the human body induction signal probability, and xiA sample set representing the ambient light intensity signal, representing a sample x (1...... x (m)), comprising m independent samples;
step A2, when the l (theta) probability is more than or equal to 0.7, preliminarily judging a human body induction signal, acquiring a human body infrared signal and a human body sound signal, and forming a characteristic value matrix:
wherein, | λ M-A | represents different daA characteristic value matrixes of the human infrared signals; the | μ M-B | represents a characteristic value matrix of different data of the sound signal; lambda [ alpha ]0......λnN characteristic values representing human body infrared ray signals, A representing human body infrared ray signals, a11......annRepresenting different data values of the infrared signal of the human body, B representing an acoustic signal, B11......bnnRepresenting different data values of a sound signal, the data is spatially linearly transformed by the following equation (2):
wherein the content of the first and second substances,
for the model after the linear fitting, the model,
for the preset characteristic value, the human body induction data and/or the sound characteristic value data are transmitted into the DiθThe function performs feature combination:
wherein TP is the predetermined noise data power density, S, N is the signal data intensity and the noise data intensity of the dual detection system,
for the extraction of important features of the combined features, PDThe radiation power density received by the double detection system, and deltaf is the amplifier bandwidth of the double detection system; diθThe larger the signal is, the stronger the detected human body induction signal is;
step A3: calculating the actual distance from the combined characteristic data to the ultraviolet degerming LED induction lamp according to a formula (3), and controlling whether to light the illuminating lamp or not:
wherein L ∞ (di, dj) is an actual distance from the combined feature data to the UV-sterilizing LED sensor lamp, di is position data of the UV-sterilizing LED sensor lamp, dj is position data of a human body, and max islThe maximum distance between the human body and the ultraviolet degerming LED induction lamp,
the radiation data of different directions of the sterilizing lamp of the ultraviolet sterilizing LED induction lamp,
is the user sample set x (1) ·...... x (j), comprising l independent samples; when the calculation result of the formula (4) is less than or equal to the preset numberControlling to light the illuminating lamp according to the time; otherwise, the illuminating lamp is turned off.
2. The method for controlling an ultraviolet sterilization LED sensor lamp according to claim 1, wherein the ultraviolet sterilization LED sensor lamp includes an auto mode, an ON mode, an OFF mode; before detecting the ambient light intensity signal, still include with ultraviolet degerming LED response lamp switches to automatic mode.
3. The method for controlling an ultraviolet degerming LED sensor lamp as claimed in claim 1, further comprising:
after the sterilizing lamp is lightened, when the human body induction signal is detected, the sterilizing lamp is turned off, and the illuminating lamp is lightened;
after the illuminating lamp is turned on, if the human body induction signal is not detected within a first preset time, the illuminating lamp is turned off, and the sterilizing lamp is turned on.
4. The method for controlling an ultraviolet degerming LED sensor lamp as claimed in claim 1, further comprising:
and after the sterilizing lamp is extinguished for a third preset time and the human body induction signal is not detected, controlling the sterilizing lamp to be turned on for the second preset time and then to be extinguished.
5. The method for controlling the UV degerming LED sensor lamp as claimed in claim 2, wherein the switching the UV degerming LED sensor lamp to the automatic mode comprises manual switching or timed automatic switching; the manual switching is carried out by manually controlling a mode switch of the ultraviolet degerming LED induction lamp to switch modes; the timing automatic switching is performed to the ultraviolet degerming LED induction lamp, and the automatic switching is performed to an automatic mode according to set time.
6. The utility model provides an ultraviolet degerming LED response lamp, its characterized in that, ultraviolet degerming LED response lamp includes degerming lamp and light, still includes:
the first detection module is used for detecting an ambient light intensity signal;
the second detection module is used for detecting whether a human body induction signal exists or not when the ambient light intensity signal is determined to be equal to or smaller than a preset intensity signal;
the control module is used for controlling the illumination of the illuminating lamp when the second detection module detects the human body induction signal;
the second detection module is used for detecting no human body induction signal within a first preset time after the illuminating lamp is turned on, controlling the illuminating lamp to be turned off, and controlling the sterilizing lamp to be turned on;
the sterilizing lamp is further used for controlling the sterilizing lamp to be turned off after the sterilizing lamp is turned on for a second preset time;
still be used for when human response signal includes sound signal and human infrared signal, detect by two detecting systems human response signal includes:
step A1: acquiring the detected ambient light intensity signal, judging whether the ambient light intensity signal is equal to or less than a preset intensity signal through a formula (1), and primarily judging whether a human body induction signal exists according to a judgment result:
wherein l (θ) is a probability that the ambient light intensity signal is equal to or less than a preset intensity signal, θ (mean difference, variance) is a distribution parameter that the ambient light intensity signal is equal to or less than the preset intensity signal, log is used to solve a maximum value that the ambient light intensity signal is equal to or less than the preset intensity signal probability, p is used to detect whether there is a human body sensing signal probability, z is an implicit variable, z ═ 0 marks that no human body sensing signal sample is detected or z ═ 1 marks that a human body sensing signal sample is detected, q (z) is a distribution function of z, is used to calculate a result of the human body sensing signal probability, x (θ) is a probability that the ambient light intensity signal is equal to or lessiA sample set representing the ambient light intensity signal, representing a sample x (1)Containing m independent samples;
step A2, when the l (theta) probability is more than or equal to 0.7, preliminarily judging a human body induction signal, acquiring a human body infrared signal and a human body sound signal, and forming a characteristic value matrix:
wherein, | λ M-A | represents different daA characteristic value matrixes of the human infrared signals; the | μ M-B | represents a characteristic value matrix of different data of the sound signal; lambda [ alpha ]0......λnN characteristic values representing human body infrared ray signals, A representing human body infrared ray signals, a11......annRepresenting different data values of the infrared signal of the human body, B representing an acoustic signal, B11......bnnRepresenting different data values of a sound signal, the data is spatially linearly transformed by the following equation (2):
wherein the content of the first and second substances,
for the model after the linear fitting, the model,
for the preset characteristic value, the human body induction data and/or the sound characteristic value data are transmitted into the DiθThe function performs feature combination:
wherein TP is the predetermined noise data power density, S, N is the signal data intensity and the noise data intensity of the dual detection system,
for the extraction of important features of the combined features, PDThe radiation power density received by the double detection system, and deltaf is the amplifier bandwidth of the double detection system; diθThe larger the signal is, the stronger the detected human body induction signal is;
step A3: calculating the actual distance from the combined characteristic data to the ultraviolet degerming LED induction lamp according to a formula (3), and controlling whether to light the illuminating lamp or not:
wherein L ∞ (di, dj) is an actual distance from the combined feature data to the UV-sterilizing LED sensor lamp, di is position data of the UV-sterilizing LED sensor lamp, dj is position data of a human body, and max islThe maximum distance between the human body and the ultraviolet degerming LED induction lamp,
the radiation data of different directions of the sterilizing lamp of the ultraviolet sterilizing LED induction lamp,
is the user sample set x (1) ·...... x (j), comprising l independent samples; when the calculation result of the formula (4) is less than or equal to the preset data, controlling to light the illuminating lamp; otherwise, the illuminating lamp is turned off.
7. The uv degerming LED sensor lamp of claim 6, wherein said uv degerming LED sensor lamp comprises an auto mode, an ON mode, an OFF mode; the control module is also used for automatically switching the ultraviolet degerming LED induction lamp to an automatic mode according to set time.
8. The LED sensor lamp for ultraviolet sterilization according to claim 6, wherein the control module is further configured to control the sterilizing lamp to be turned off and the illuminating lamp to be turned on when the second detection module detects the human body sensing signal after the sterilizing lamp is turned on;
the control module is further used for controlling the sterilizing lamp to be turned on for continuous turning-off after the sterilizing lamp is turned off for third preset time and the second detection module does not detect the human body induction signal.
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