CN114567951B - Method and device for adjusting lighting system and computer storage medium - Google Patents
Method and device for adjusting lighting system and computer storage medium Download PDFInfo
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- CN114567951B CN114567951B CN202210229165.0A CN202210229165A CN114567951B CN 114567951 B CN114567951 B CN 114567951B CN 202210229165 A CN202210229165 A CN 202210229165A CN 114567951 B CN114567951 B CN 114567951B
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- 238000000034 method Methods 0.000 title claims abstract description 41
- 238000005286 illumination Methods 0.000 claims abstract description 56
- 230000001105 regulatory effect Effects 0.000 claims abstract description 9
- 230000000737 periodic effect Effects 0.000 claims abstract description 7
- 238000005070 sampling Methods 0.000 claims description 14
- 230000003247 decreasing effect Effects 0.000 claims description 4
- 230000006870 function Effects 0.000 description 21
- 238000010586 diagram Methods 0.000 description 10
- 208000032365 Electromagnetic interference Diseases 0.000 description 5
- 239000011664 nicotinic acid Substances 0.000 description 4
- 230000000630 rising effect Effects 0.000 description 4
- 238000001228 spectrum Methods 0.000 description 4
- 241000255581 Drosophila <fruit fly, genus> Species 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
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Classifications
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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
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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
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/10—Controlling the intensity of the light
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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
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/20—Controlling the colour of the light
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/34—Voltage stabilisation; Maintaining constant voltage
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/165—Controlling the light source following a pre-assigned programmed sequence; Logic control [LC]
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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
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Abstract
The application relates to the field of illumination adjustment, in particular to an adjustment method and device of a lighting system and a computer storage medium, wherein the adjustment method of the lighting system comprises the following steps: acquiring an illumination adjustment instruction; determining a target voltage characteristic parameter corresponding to at least one lighting adjustment parameter based on a preset relation between the lighting adjustment parameter and the voltage characteristic parameter; generating a target voltage control signal corresponding to the illumination adjustment instruction according to the target voltage characteristic parameter; regulating the output voltage of the voltage source based on the target voltage control signal to obtain target voltage carrying characteristic parameters of the target voltage, wherein the target voltage is a continuous function of time and a periodic function of time; the target voltage carrying the characteristic parameters of the target voltage is obtained, so that the control of the subsequent-stage circuit is realized, the target voltage is a continuous function of time, the voltage value is prevented from being in a chopping state, abrupt change of the voltage value is avoided, and the influence of voltage change on a load device is reduced.
Description
Technical Field
The application relates to the field of illumination adjustment, in particular to an adjustment method and device of a lighting system and a computer storage medium.
Background
Referring to fig. 1, in the existing illumination adjustment color matching system, a front constant voltage circuit provides a direct current voltage to a rear constant current circuit through a bus, and the rear constant current circuit supplies power to an LED light source; after the switching tube is connected in series on the bus, the PWM chopping dimming control module controls the on-off of the switching tube, so that bus voltage received by a rear-stage load is PWM chopping voltage, such as square wave voltage; the power received by the LED light source at the rear stage is changed by changing the duty ratio of the PWM chopping voltage, so that the light source of the adjusting lighting system is adjusted.
However, in the case where the following-stage load needs to be maintained at low brightness, the PWM chopping voltage needs to maintain the corresponding duty ratio, and the switching tube needs to be continuously in a switch-off state; the voltage in the chopped state for a long period of time causes many problems such as rush current and EMI problems as the power supply voltage of the subsequent stage load; therefore, a method of adjusting a lighting system is proposed to solve the above-mentioned problems.
Disclosure of Invention
In view of the above problems in the prior art, an object of the present application is to provide a method for adjusting a lighting system, which realizes control of a post-stage circuit by obtaining a target voltage carrying a characteristic parameter of the target voltage; meanwhile, the target voltage is a continuous direct-current voltage which periodically changes, so that the chopping state of the voltage is avoided, and the influence of the voltage change on the load device is reduced.
In order to solve the above-mentioned problems, the present application provides a method for adjusting a lighting system, the method comprising:
acquiring an illumination adjustment instruction, wherein the illumination adjustment instruction carries at least one illumination adjustment parameter;
determining a target voltage characteristic parameter corresponding to at least one lighting adjustment parameter based on a preset relation between the lighting adjustment parameter and the voltage characteristic parameter;
generating a target voltage control signal corresponding to the illumination adjustment instruction according to the target voltage characteristic parameter, wherein the target voltage control signal carries characteristic information corresponding to the target voltage characteristic parameter;
and regulating the output voltage of the voltage source based on the target voltage control signal to obtain target voltage carrying the characteristic parameter of the target voltage, wherein the target voltage is a continuous function of time and a periodic function of time.
In some embodiments, the adjusting the voltage source output voltage based on the target control signal obtains a target voltage carrying the target characteristic parameter as follows:
and superposing and adjusting a reference signal of the voltage source output voltage based on the target control signal to obtain a target voltage, wherein the target characteristic parameter carried by the target voltage is the same as the characteristic information carried by the target control signal.
In another embodiment, the adjusting the output voltage of the voltage source based on the target control signal obtains a target voltage carrying the target characteristic parameter as follows:
and superposing and adjusting a sampling signal of the voltage source output voltage based on the target control signal to obtain a target voltage, wherein the target voltage carrying the target characteristic parameter and the target control signal carrying the characteristic information are mutually phase-inverted.
In some embodiments, the voltages adjacent to the target voltage are dc constant voltages, and the characteristic information includes a voltage life cycle of the periodically varying continuous dc voltage.
In some embodiments, the frequency of the target voltage is less than the frequency of the voltage source input voltage.
In some embodiments, the target voltage comprises at least two time periods in one period, and the relationship between the target voltage value and time in each time period is represented as a continuous function of monotonic change.
In some embodiments, the period of the target voltage includes at least four time periods, wherein the relationship between the target voltage value and time in two time periods appears as a continuous function of monotonic change, and the relationship between the target voltage value and time in the other two time periods is constant.
In some embodiments, the range of fluctuation of the target voltage value is less than 10% of the target voltage average value.
In another aspect, the present application also provides an adjusting device of a lighting system, including:
the instruction acquisition module is used for acquiring an illumination adjustment instruction, wherein the illumination adjustment instruction carries at least one illumination adjustment parameter;
the target characteristic parameter acquisition module is used for determining target characteristic parameters corresponding to at least one lighting adjustment parameter based on a preset relation between the lighting adjustment parameter and the voltage characteristic parameter;
the target control signal acquisition module is used for generating a target control signal corresponding to the illumination adjusting instruction according to the target characteristic parameter;
and the adjusting module is used for adjusting the output voltage of the voltage source based on the target control signal to obtain target voltage carrying the target characteristic parameter, wherein the target voltage is a continuous function of time and a periodic function of time.
On the other hand, the application also provides intelligent identification equipment, which comprises a processor and a memory, wherein at least one instruction or at least one section of program is stored in the memory, and the at least one instruction or the at least one section of program is loaded and executed by the processor so as to realize the intelligent identification method of the bionic drosophila.
On the other hand, the application also provides a computer storage medium, wherein at least one instruction or at least one section of program is stored in the storage medium, and the at least one instruction or the at least one section of program is loaded and executed by a processor to realize the intelligent identification method of the bionic drosophila.
Due to the technical scheme, the adjusting method of the lighting system has the following beneficial effects:
1. according to the adjusting method of the lighting system, the target voltage carrying the characteristic parameters of the target voltage is obtained, so that the control of the rear-stage circuit is realized, the voltage can be prevented from being in a chopping state by using the continuous function of the target voltage as time, abrupt change of the voltage value is avoided, and the influence of voltage change on a load device is reduced.
2. According to the adjusting method of the lighting system, the adjacent voltage values of the continuous direct-current voltage which changes periodically are set to be the direct-current constant voltage, so that the change of the voltage amplitude is further reduced, and the influence of the voltage change on the load device is reduced.
3. According to the adjusting method of the lighting system, the frequency of the target voltage is smaller than that of the input voltage of the voltage source, so that the target voltage can be accurately identified in the subsequent identification process, and the accuracy of identification of the adjusting instruction is improved.
Drawings
In order to more clearly illustrate the technical solutions of the present application, the following description will make a brief introduction to the drawings used in the description of the embodiments or the prior art. It is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.
FIG. 1 is a schematic diagram of a prior art light level adjustment toning system;
FIG. 2 is a schematic flow chart of a method for adjusting a lighting system according to an embodiment of the present disclosure;
fig. 3 is a schematic view of an application scenario of an adjustment method of a lighting system according to an embodiment of the present application;
FIG. 4 is a schematic diagram of the shape of a target voltage in a method for adjusting a lighting system according to an embodiment of the present disclosure;
FIG. 5 is a schematic diagram of the shape of a target voltage in a method for adjusting a lighting system according to an embodiment of the present disclosure;
FIG. 6 is a schematic diagram of the shape of a target voltage in a method for adjusting a lighting system according to an embodiment of the present disclosure;
FIG. 7 is a schematic diagram of the shape of a target voltage in a method for adjusting a lighting system according to an embodiment of the present disclosure;
fig. 8 is a schematic structural diagram of a post-stage load circuit to which the adjusting method of the lighting system according to the embodiment of the present application is applied;
fig. 9 is a schematic structural diagram of a post-stage load circuit to which the adjusting method of the lighting system according to the embodiment of the present application is applied;
fig. 10 is a schematic structural diagram of an adjusting device of an illumination system according to an embodiment of the present disclosure;
fig. 11 is a block diagram of a hardware structure of a method for adjusting a lighting system according to an embodiment of the present application.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present application based on the embodiments herein.
Reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic may be included in at least one implementation of the present application. In the description of the present application, it should be understood that the terms "upper," "lower," "left," "right," "top," "bottom," and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may include one or more of the feature, either explicitly or implicitly. Moreover, the terms "first," "second," and the like, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be implemented in sequences other than those illustrated or otherwise described herein.
Referring to fig. 2, a method for adjusting an illumination system according to an embodiment of the present application is described, where the method includes:
s1, acquiring an illumination adjustment instruction, wherein the illumination adjustment instruction carries at least one illumination adjustment parameter; the illumination adjusting instruction refers to an instruction sent by a user under the condition of adjusting the illumination system, and can be an operation of rotating an illumination adjusting knob or a sound control instruction; the lighting adjustment parameters include, but are not limited to, illumination intensity, illumination color, and adjustment information with illumination intensity and illumination color.
In a specific embodiment of the present application, when the load circuit of the lighting system includes three spectrums, the adjustment instruction may be a switching adjustment for one of the spectrums, or an illumination intensity adjustment for a certain spectrum, or an illumination intensity adjustment for multiple spectrums; that is, the adjustment command may be to adjust one load light source, or may be to adjust different and/or the same illumination intensity of multiple load light sources.
S2, determining a target voltage characteristic parameter corresponding to at least one illumination adjustment parameter based on a preset relation between the illumination adjustment parameter and the voltage characteristic parameter; the target voltage is a periodically-changing continuous direct current voltage, and the target voltage characteristic parameters comprise, but are not limited to, the frequency, the period, the maximum value, the minimum value, the rising time and the falling time of the periodically-changing continuous direct current voltage, and the lighting adjustment parameters and the target voltage characteristic parameters are in one-to-one correspondence; for example, the illumination intensity corresponds to the maximum value of the continuous direct current voltage which periodically varies, and in particular, in the case where the illumination intensity is 20lux, the corresponding maximum voltage is 50.2V.
In some embodiments, the target voltage characteristic parameter further includes an operational value between parameters of the periodically varying continuous direct current voltage, such as a ratio of rise time to period, a ratio of fall time to period, and a difference between a maximum value and a minimum value.
S3, generating a target voltage control signal corresponding to the illumination adjustment instruction according to the target voltage characteristic parameter, wherein the target voltage control signal carries characteristic information corresponding to the target voltage characteristic parameter; the characteristic information and the target voltage characteristic parameter may be the same or opposite.
And S4, regulating the output voltage of the voltage source based on the target voltage control signal to obtain target voltage carrying the characteristic parameter of the target voltage, wherein the voltage value of the target voltage is a continuous function of time and a periodic function of time.
Wherein, the "the voltage value of the target voltage is a continuous function of time" means: in one period T of the target voltage, the target voltage is a continuous function of time, not a step function, so that the problem of EMI (electro magnetic interference) and the like caused by voltage mutation is avoided under the condition that the target voltage value is not suddenly changed; further, the target voltage may also be: in one period T, at least two periods are included, during which the target voltage is a monotonically varying continuous function.
In a specific embodiment of the present application, referring to fig. 3, the adjusting method of the lighting system in the present application is applied to a control unit, where the control unit is connected to a voltage source, and an output voltage of the voltage source is an output voltage obtained by converting an input voltage (for example, a power grid voltage) into a direct current by the voltage source; the target voltage is a voltage value output to the bus by the voltage source; the voltage source comprises a main circuit and a voltage ring, wherein the main circuit is used for converting the power input by an input power supply into direct-current voltage and outputting the direct-current voltage to a post-stage load circuit through a bus; the voltage ring is connected with the control unit and is used for controlling the output voltage of the voltage source based on the target voltage control signal output by the control unit so as to generate target voltage; the voltage ring is controlled by controlling the power of the main circuit, so that the sampling signal of the voltage ring is equal to a preset reference signal, and the size of the target voltage is controlled, so that the target voltage carrying the characteristic parameter of the target voltage can be obtained by generating a target control signal and superposing the target control signal on the reference signal or the sampling signal.
In the embodiment of the application, the target voltage can supply electric energy for the load of the later-stage circuit and can also transmit the adjusting instruction.
In one embodiment, assuming that the load circuit of the lighting system includes a red LED load leg and a yellow LED load leg, a certain adjustment instruction includes reducing the current of the red LED load leg to 80% of a preset or rated current value and reducing the current of the yellow LED load leg to 60% of the preset or rated current value; the illumination adjusting parameter is a ratio between a current value of the red branch and a preset current value (rated current value), and a ratio between a current value of the yellow branch and a preset current value (rated current value); wherein, the corresponding relation between the illumination adjusting parameter and the voltage characteristic parameter is as follows: the ratio between the current value of the red branch and the preset current value (rated current value) corresponds to the duty ratio of the target voltage, and the ratio between the current value of the yellow branch and the preset current value (rated current value) corresponds to the maximum value of the target voltage; wherein, the duty ratio of the target voltage is defined as the ratio of the rising time of the target voltage to the period; the target voltage characteristic parameter corresponding to the regulating command is obtained from a preset numerical relation, wherein the duty ratio of the target voltage is 80%, and the maximum value of the target voltage is 50.1V.
In a specific embodiment, it is assumed that the target voltage characteristic parameter corresponding to a certain adjustment command is that the frequency of the target voltage is 12HZ, and the duty cycle of the target voltage is 40%; when the target voltage control signal is used for being overlapped on the reference signal, the target voltage control signal is output to the verf reference end, and the characteristic information of the target voltage control signal is consistent with the target voltage characteristic parameter of the target voltage, namely, the frequency of the target voltage control signal is 12HZ, and the duty ratio of the target voltage control signal is 40%; under the condition that the target voltage control signal is used for being overlapped on the sampling signal, the target voltage control signal is output to the Vc feedback end, the target voltage control signal and the target voltage are mutually inverted, namely the frequency of the target voltage control signal is 12HZ, and the duty ratio of the target voltage control signal is 60%.
In some embodiments, S4 comprises:
s401, superposing and adjusting a reference signal of the voltage source output voltage based on a target control signal to obtain a target voltage, wherein target characteristic parameters carried by the target voltage are the same as characteristic information carried by the target control signal; after the target control signal and the reference signal are subjected to signal superposition, the reference signal can carry corresponding characteristic information, then the main circuit generates a target voltage based on the reference signal and the sampling signal, and the target voltage carries the characteristic information in the reference signal; that is, the target characteristic parameter of the target voltage is identical to the characteristic information of the target control signal.
In another embodiment, S4 comprises:
s403, superposing and adjusting a sampling signal of the voltage source output voltage based on a target control signal to obtain a target voltage, wherein the target voltage carrying the target characteristic parameter and the target control signal carrying the characteristic information are mutually phase-inverted; and the target control signal and the sampling signal are subjected to signal superposition so that the sampling signal carries characteristic information, then the main circuit generates target voltage based on the reference signal and the sampling signal, and the target voltage carries information opposite to the characteristic information in the sampling signal, namely the target voltage carrying the target characteristic parameter and the target control signal carrying the characteristic information are mutually phase-inverted.
In the embodiment of the application, the adjacent voltage of the target voltage is a direct-current constant voltage, and the characteristic information comprises the voltage life cycle of the continuous direct-current voltage which changes periodically; the periodically varying continuous dc voltage may be a voltage value having a voltage life cycle, for example, 100 periods may be one voltage life cycle; the voltage values before and after the voltage life cycle are direct current constant voltages, stable direct current constant voltages are provided by reducing the change frequency of the voltage values, the influence of the changed voltage values on the rear-stage load is reduced, and the fault of the illumination regulating system is avoided.
In another embodiment of the present application, the target voltage is a plurality of adjacent continuous direct current voltages that vary periodically, and the characteristic parameters of the target voltage between the continuous direct current voltages that vary periodically are not identical; by a plurality of adjacent continuous direct-current voltages which change periodically, continuous control of a plurality of illumination adjustment instructions in a short time can be realized.
In the embodiment of the application, the frequency of the target voltage is smaller than the frequency of the input voltage of the voltage source; the output voltage value of the voltage source has ripple, and the ripple frequency is twice the input voltage frequency of the voltage source; for example, in the case of a grid connected to the voltage source input, the frequency of the national grid voltage is 50HZ, and the ripple frequency of the voltage source output voltage value is 100HZ; the frequency of the target voltage is smaller than that of the input voltage of the voltage source, for example, smaller than 50Hz, so that the output voltage frequency of 100Hz with relatively high frequency is filtered out in the subsequent identification process, the target voltage frequency with lower frequency is reserved, the target voltage can be accurately identified, and the identification accuracy of the regulating instruction is improved.
In some embodiments, the target voltage may also be: in one period T, at least two time periods are included, in which the target voltage is a continuous function that monotonically varies, such as a triangular wave voltage; the triangular wave has slower rising and falling time, so that the transmission precision of the illumination adjusting instruction can be effectively improved; in addition, the voltage parameter change difference based on the triangular wave is small, the influence of the small change difference on the subsequent-stage load is small, the chopping state of the voltage value is avoided, and the influence of voltage abrupt change on the load device is further reduced.
In some embodiments, the range of fluctuation of the target voltage value is less than 10% of the target voltage average value; that is, the difference between the maximum value and the minimum value of the target voltage does not exceed 10% of the average value of the target voltage, the fluctuation range of the maximum value and the minimum value of the bus voltage is set in a smaller range, the influence on the rear-stage multi-path load is reduced, and the problem of impact current or EMI of the illumination regulating system is avoided; the impact current refers to large current generated in the electric appliance at the moment of power supply of the electric appliance, and the EMI problem refers to interference to other peripheral electronic products when the electronic product works.
In some embodiments, referring to fig. 4, the triangular wave voltage is a dc constant voltage, and the triangular wave voltage is a voltage value carrying a target characteristic parameter; that is, the lighting adjustment command may be intermittently transmitted, and only when the adjustment command is transmitted, the voltage value may be changed, and after the voltage life cycle of the triangular wave voltage is finished, the voltage value before the next adjustment command comes is a dc constant voltage; for example, the voltage life cycle of the triangular wave voltage is set in the time t1-t2, the voltage value is the triangular wave voltage at this time, and the voltage value is the direct current constant voltage in the other time; by reducing the change frequency of the voltage value, stable direct-current constant voltage is provided, the influence of the changed voltage value on the subsequent-stage load is reduced, and the fault of the illumination regulating system is avoided.
In some embodiments, referring to fig. 5, the triangular voltages of two different frequencies, rise time, fall time, maximum and minimum are adjacent, that is, one lighting adjustment command before t3 and the other lighting adjustment command after t 3; the two different illumination adjusting instructions can be connected in a seamless manner, so that the real-time property of adjustment and control of the illumination adjusting system is improved.
In some embodiments, referring to fig. 6, the target characteristic parameters include a maximum value, a minimum value, a continuously decreasing change slope from the maximum value to the minimum value, and a continuously increasing change slope from the minimum value to the maximum value of the triangular wave voltage; that is, the change in the voltage value between the maximum value and the minimum value is not limited to the linear change of the straight line, but may be another curve change.
In some embodiments, the target voltage comprises at least four time periods in one period, wherein the relationship between the target voltage value and time in two time periods is represented as a continuous function of monotonic change, and the relationship between the target voltage value and time in the other two time periods is constant.
The target voltage comprises at least two time periods in one period T, and the target voltage is a continuous function of monotonic change in the time periods, for example, in the embodiment of fig. 5 and 6, the target voltage comprises two time periods, and the functional relationship between the target voltage and time in the two time periods has monotonically increasing and monotonically decreasing characteristics respectively. In the embodiment of fig. 7, the target voltage includes four time periods, wherein, in two time periods, the function relationship between the target voltage and time has monotonically increasing and monotonically decreasing characteristics, respectively, and in the other two time periods, the value of the target voltage is a constant value, that is, the function relationship between the target voltage and time is a constant.
In other embodiments, referring to fig. 7, the target characteristic parameters further include a maximum duration and a minimum duration of the triangular wave voltage, that is, the maximum and minimum values in the triangular wave voltage may last for a period of time instead of a point in time.
In one embodiment, the load circuit of the lighting system comprises a red LED load leg and a yellow LED load leg, the adjustment instructions comprise reducing the current of the red LED load leg to 80% of a preset or rated current value and reducing the current of the yellow LED load leg to 60% of the preset or rated current value; the illumination adjusting parameter is a ratio between a current value of the red branch and a preset current value (rated current value), and a ratio between a current value of the yellow branch and a preset current value (rated current value); wherein, the corresponding relation between the illumination adjusting parameter and the voltage characteristic parameter is as follows: the ratio between the current value of the red branch and the preset current value (rated current value) corresponds to the duty ratio of the triangular wave voltage, and the ratio between the current value of the yellow branch and the preset current value (rated current value) corresponds to the maximum value of the triangular wave; wherein, the duty ratio of the triangular wave voltage is defined as the ratio of the rising time to the period of the triangular wave voltage; based on a preset numerical relation, the target voltage characteristic parameter corresponding to the adjustment instruction is that the duty ratio of the triangular wave voltage is 80%, and the maximum value of the triangular wave voltage is 50.1V.
In a specific embodiment, the target voltage characteristic parameter corresponding to the adjustment instruction may be that the frequency of the triangular wave voltage is 12HZ, and the duty cycle of the triangular wave voltage is 40%; when the target voltage control signal is used for being overlapped on the reference signal, the target voltage control signal is output to the verf reference end, and the characteristic information of the target voltage control signal is consistent with the target voltage characteristic parameter of the triangular wave voltage, namely, the frequency of the target voltage control signal is 12HZ, and the duty ratio of the target voltage control signal is 40%; under the condition that the target voltage control signal is used for being overlapped on the sampling signal, the target voltage control signal is output to the Vc feedback end, the target voltage control signal and the triangular wave voltage are mutually inverted, namely the frequency of the target voltage control signal is 12HZ, and the duty ratio of the target voltage control signal is 60%.
In one embodiment, referring to fig. 8, a load circuit connected to a voltage source includes three light source loads, a receiving control module and a switching tube, two ends of each light source load are connected in parallel to an output end of the voltage source, the light source loads are connected in series to the switching tube, the receiving control module is used for receiving a target voltage and analyzing the target voltage to obtain an analysis result, and the light source loads are controlled based on the analysis result.
In some embodiments, the switching tube may be replaced with a linear tube.
In some embodiments, referring to fig. 9, the light source load may be in parallel with the switching tube.
Referring to fig. 10, an adjusting device of a lighting system provided in an embodiment of the present application is described, where the adjusting device of the lighting system includes:
an instruction obtaining module 101, configured to obtain an illumination adjustment instruction, where the illumination adjustment instruction carries at least one illumination adjustment parameter;
a target characteristic parameter obtaining module 201, configured to determine a target characteristic parameter corresponding to at least one lighting adjustment parameter based on a preset relationship between the lighting adjustment parameter and the voltage characteristic parameter;
the target control signal acquisition module 301 is configured to generate a target control signal corresponding to the illumination adjustment instruction according to the target feature parameter;
the adjusting module 401 is configured to adjust the output voltage of the voltage source based on the target control signal, so as to obtain a target voltage carrying the target characteristic parameter, where the target voltage is a continuous function of time and is a periodic function of time.
In some embodiments, the adjustment module comprises:
and the reference signal superposition unit is used for superposing and adjusting the reference signal of the voltage source output voltage based on the target control signal to obtain the target voltage, wherein the target characteristic parameter carried by the target voltage is the same as the characteristic information carried by the target control signal.
And the sampling signal superposition unit is used for superposing and adjusting the sampling signal of the voltage source output voltage based on the target control signal to obtain the target voltage, wherein the target voltage carrying the target characteristic parameter and the target control signal carrying the characteristic information are mutually phase-inverted.
The embodiment of the application also provides intelligent identification equipment, which comprises a processor and a memory, wherein at least one instruction or at least one section of program is stored in the memory, and the at least one instruction or the at least one section of program is loaded and executed by the processor so as to realize the intelligent identification method of the bionic drosophila.
The memory may be used to store software programs and modules that the processor executes to perform various functional applications and data processing by executing the software programs and modules stored in the memory. The memory may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, application programs required for functions, and the like; the storage data area may store data created according to the use of the device, etc. In addition, the memory may include high-speed random access memory, and may also include non-volatile memory, such as at least one hard disk storage device, flash memory device, or other volatile solid state storage device. Accordingly, the memory may also include a memory controller to provide access to the memory by the processor.
The method embodiments provided in the embodiments of the present application may be performed in an electronic device such as a mobile terminal, a computer terminal, a server, or a similar computing device. Fig. 11 is a block diagram of a hardware structure of an electronic device of an image processing method according to an embodiment of the present application. As shown in fig. 11, the electronic device 900 may vary considerably in configuration or performance, and may include one or more central processing units (Central Processing Units, CPU) 910 (the processor 910 may include, but is not limited to, a microprocessor MCU or a processing device such as a programmable logic device FPGA), a memory 930 for storing data, one or more storage media 920 (e.g., one or more mass storage devices) for storing applications 923 or data 922. Wherein memory 930 and storage medium 920 may be transitory or persistent storage. The program stored on the storage medium 920 may include one or more modules, each of which may include a series of instruction operations in the electronic device. Still further, the central processor 910 may be configured to communicate with a storage medium 920 and execute a series of instruction operations in the storage medium 920 on the electronic device 900. The electronic device 900 may also include one or more power supplies 960, one or more wired or wireless network interfaces 950, one or more input/output interfaces 940, and/or one or more operating systems 921, such as Windows ServerTM, mac OS XTM, unixTM, linuxTM, freeBSDTM, etc.
The input-output interface 940 may be used to receive or transmit data via a network. Specific examples of the network described above may include a wireless network provided by a communications provider of the electronic device 900. In one example, the input-output interface 940 includes a network adapter (Network Interface Controller, NIC) that may be connected to other network devices through a base station to communicate with the internet. In one example, the input/output interface 940 may be a Radio Frequency (RF) module for communicating with the internet wirelessly.
It will be appreciated by those of ordinary skill in the art that the configuration shown in fig. 11 is merely illustrative and is not intended to limit the configuration of the electronic device described above. For example, electronic device 900 may also include more or fewer components than shown in FIG. 11, or have a different configuration than shown in FIG. 11.
The embodiment of the application also provides a storage medium, wherein at least one instruction or at least one section of program is stored in the storage medium, and the at least one instruction or the at least one section of program is loaded and executed by a processor to realize the intelligent identification method of the bionic fruit fly.
The foregoing description has fully disclosed the embodiments of this application. It should be noted that any modifications to the specific embodiments of the present application may be made by those skilled in the art without departing from the scope of the claims of the present application. Accordingly, the scope of the claims of the present application is not limited to the foregoing detailed description.
Claims (9)
1. A method of adjusting a lighting system, the method comprising:
acquiring an illumination adjustment instruction, wherein the illumination adjustment instruction carries at least one illumination adjustment parameter;
determining a target voltage characteristic parameter corresponding to at least one lighting adjustment parameter based on a preset relation between the lighting adjustment parameter and the voltage characteristic parameter;
generating a target voltage control signal corresponding to the illumination adjustment instruction according to the target voltage characteristic parameter, wherein the target voltage control signal carries characteristic information corresponding to the target voltage characteristic parameter;
regulating the output voltage of a voltage source based on the target voltage control signal to obtain a target voltage carrying the characteristic parameter of the target voltage, wherein the voltage value of the target voltage is a continuous function of time and a periodic function of time; in one period of the target voltage, the target voltage is a continuous function of time;
at least two time periods are included in one period of the target voltage, and the relation between the target voltage value and time in each time period is represented as a continuous function of monotonic change; in the two time periods, the relation between the target voltage and time has the characteristics of monotonically increasing and monotonically decreasing respectively.
2. The method of claim 1, wherein the adjusting the voltage source output voltage based on the target control signal results in a target voltage carrying the target characteristic parameter being:
and superposing and adjusting a reference signal of the voltage source output voltage based on the target control signal to obtain a target voltage, wherein the target characteristic parameter carried by the target voltage is the same as the characteristic information carried by the target control signal.
3. The method of claim 1, wherein the adjusting the voltage source output voltage based on the target control signal results in a target voltage carrying the target characteristic parameter being:
and superposing and adjusting a sampling signal of the voltage source output voltage based on the target control signal to obtain a target voltage, wherein the target voltage carrying the target characteristic parameter and the target control signal carrying the characteristic information are mutually phase-inverted.
4. A method of adjusting a lighting system as recited in claim 1, wherein said voltage adjacent to said target voltage is a dc constant voltage, and said characteristic information comprises a voltage lifecycle of a periodically varying continuous dc voltage.
5. A method of adjusting a lighting system as recited in claim 1, wherein said target voltage has a frequency that is less than a frequency of a voltage source input voltage.
6. A method of adjusting a lighting system according to claim 1, wherein said target voltage comprises at least four time periods in a cycle, wherein the relationship between the target voltage values and time in two of said time periods is represented as a monotonically changing continuous function, and wherein the relationship between the target voltage values and time in the other two of said time periods is constant.
7. A method of adjusting a lighting system as claimed in claim 1, wherein the fluctuation range of the target voltage value is less than 10% of the average value of the target voltage.
8. An adjustment device of a lighting system, characterized in that the adjustment device of the lighting system comprises:
the instruction acquisition module is used for acquiring an illumination adjustment instruction, wherein the illumination adjustment instruction carries at least one illumination adjustment parameter;
the target characteristic parameter acquisition module is used for determining target characteristic parameters corresponding to at least one lighting adjustment parameter based on a preset relation between the lighting adjustment parameter and the voltage characteristic parameter;
the target control signal acquisition module is used for generating a target control signal corresponding to the illumination adjusting instruction according to the target characteristic parameter;
the adjusting module is used for adjusting the output voltage of the voltage source based on the target control signal to obtain target voltage carrying the target characteristic parameter, wherein the voltage value of the target voltage is a continuous function of time and is a periodic function of time; in one period of the target voltage, the target voltage is a continuous function of time;
and one period of the target voltage comprises at least two time periods, and the relation between the target voltage value and time in each time period is represented as a continuous function of monotonic change.
9. A computer storage medium, characterized in that at least one instruction, at least one program, code set or instruction set is stored in the storage medium, which at least one instruction, at least one program, code set or instruction set is loaded and executed by a processor to implement a method of adjusting a lighting system according to any one of claims 1-7.
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