Non-perception flickering light source system and non-perception flickering light source control method

Abstract

The invention provides a non-perceptual flickering light source system and a non-perceptual flickering light source control method, the non-perceptual flickering light source system comprises a control module and a light emitting module, and the control module is configured to set the light emitting frequency of the light emitting module to be not less than 30 Hz and not more than 150 Hz; the duty ratio of the light-emitting module in each light-emitting period is set to be not less than 85% and not more than 98%; and controlling the light emitting module to emit light according to the set light emitting frequency and the duty ratio. Through the configuration, the light emitted by the light emitting module can provide an effective phototherapy effect, and a user does not feel obvious flickering, so that visual fatigue and discomfort are reduced, more comfortable and effective treatment experience is provided, and the safety and effectiveness of phototherapy are improved.

Description

Technical Field

[0001] The present invention relates to the technical field of medical devices, and in particular to a non-perceptual flickering light source system and a non-perceptual flickering light source control method. Background Art

[0002] In the modern medical field, light therapy is widely used to treat seasonal affective disorder, sleep disorders, chronic pain, and skin diseases. In particular, light therapy performed at a specific frequency, such as using a 120Hz light source to flicker, has shown potential effects in promoting cell activity and improving nerve function in scientific studies. However, existing light therapy technology has an obvious disadvantage, that is, patients may perceive the flickering of the light source, which may cause discomfort or even induce epilepsy. Summary of the invention

[0003] The purpose of the present invention is to provide a non-perceptible flicker light source system and a non-perceptible flicker light source control method to solve the problem that the flicker of the light source in the existing phototherapy equipment can easily cause discomfort to the user.

[0004] In order to solve the above technical problems, the present invention provides a non-perceived flicker light source system, which includes: a control module and a light-emitting module, wherein the control module is configured as follows: The light-emitting frequency of the light-emitting module is set to be no less than 30 Hz and no more than 100 Hz; The duty cycle of the light-emitting module in each light-emitting period is set to be not less than 85% and not more than 98%; and The light-emitting module is controlled to emit light according to the set light-emitting frequency and the duty cycle.

[0005] Optionally, the light emitting module includes n light emitting units; and the control module is configured as follows: Determine the total luminous duration t in each luminous cycle according to the luminous frequency and the duty cycle; The light-emitting duration of each light-emitting unit is set to t / n; The light-emitting units are controlled in sequence to emit light for a light-emitting duration of t / n according to a preset order, and the light-emitting of the latter light-emitting unit continues after the light-emitting of the former light-emitting unit stops.

[0006] Optionally, in each of the light-emitting cycles, after all of the light-emitting units finish emitting light in sequence, all of the light-emitting units are configured to stop emitting light until the current light-emitting cycle ends.

[0007] Optionally, the non-perceived flicker light source system further includes a driving module; The control module is configured to send a driving control signal to the driving module according to a set light emission frequency and a duty cycle; The driving module sends a driving signal to the light emitting module based on the received driving control signal; The light emitting module emits light based on the driving signal.

[0008] Optionally, the non-flicker-perceived light source system further includes a feedback module; the feedback module is configured to: Monitor the light emitted by the light emitting module, obtain a frequency parameter and / or a brightness parameter, and feed back the obtained frequency parameter and / or brightness parameter to the control module; The control module is configured to adjust the driving control signal when the frequency parameter and / or the brightness parameter do not meet the preset requirements so that the frequency parameter and / or the brightness parameter of the light emitted by the light emitting module meets the preset requirements.

[0009] Optionally, the non-flicker-perceived light source system further includes a feedback module; the feedback module is configured to: monitoring the driving module, and if the driving module contains an error signal, feeding back the acquired error signal to the control module; The control module is configured to adjust the drive control signal based on the error signal to eliminate the error signal.

[0010] Optionally, the non-flickering light source system further includes a feedback module and a warning module; the warning module is configured to: When the feedback module detects that the frequency parameter and / or the brightness parameter do not meet the preset requirements, or detects that the driving module contains an error signal, a warning message is issued.

[0011] Optionally, the non-flickering light source system further includes a communication module; the communication module is used to communicate with the outside to obtain a command signal; the control module is configured to: Obtaining a command light emitting frequency and a command duty cycle based on the command signal, and setting the light emitting frequency and the duty cycle according to the command light emitting frequency and the command duty cycle; and / or A system state of the flicker-free light source system is configured based on the command signal.

[0012] Optionally, the light emitting frequency is set to 40 Hz, and the duty cycle is set to 96%; or, the light emitting frequency is set to 100 Hz, and the duty cycle is set to 90%.

[0013] In order to solve the above technical problems, the present invention also provides a non-perceived flicker light source control method, which includes: The light-emitting frequency of the light-emitting module is set to be no less than 30 Hz and no more than 100 Hz; The duty cycle of the light-emitting module in each light-emitting period is set to be not less than 85% and not more than 98%; and The light-emitting module is controlled to emit light according to the set light-emitting frequency and the duty cycle.

[0014] To summarize, in the non-perceived flickering light source system and the non-perceived flickering light source control method provided by the present invention, the non-perceived flickering light source system includes: a control module and a light-emitting module, and the control module is configured to: set the light-emitting frequency of the light-emitting module to be not less than 30 Hz and not more than 150 Hz; set the duty cycle of the light-emitting module in each light-emitting cycle to be not less than 85% and not more than 98%; and control the light-emitting module to emit light according to the set light-emitting frequency and the duty cycle.

[0015] With such a configuration, the light emitted by the light-emitting module can provide an effective phototherapy effect, and the user will not feel obvious flicker, thereby reducing visual fatigue and discomfort, providing a more comfortable and effective treatment experience, and improving the safety and effectiveness of phototherapy. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Those skilled in the art will appreciate that the drawings are provided for a better understanding of the present invention, but do not constitute any limitation on the scope of the present invention.

[0017] Figure 1 4 is a block diagram of a module of a flicker-free light source system according to an embodiment of the present invention.

[0018] Figure 2 It is a schematic diagram of a light emitting waveform of an example of an embodiment of the present invention.

[0019] Figure 3 is a module block diagram of another example of a non-flicker-perceptible light source system according to an embodiment of the present invention.

[0020] Figure 4 It is a schematic diagram of light emitting waveforms of a plurality of light emitting units emitting light in sequence according to an embodiment of the present invention.

[0021] In the attached figure: 1-control module; 2-light-emitting module; 3-communication module; 4-driving module; 5-feedback module. DETAILED DESCRIPTION

[0022] In order to make the purpose, advantages and features of the present invention clearer, the present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that the drawings are all in a very simplified form and are not drawn to scale, and are only used to conveniently and clearly assist in explaining the purpose of the embodiments of the present invention. In addition, the structure shown in the drawings is often a part of the actual structure. In particular, the emphasis of each drawing is different, and sometimes different scales are used.

[0023] As used in the present invention, the singular forms "a", "an", "one" and "the" include plural objects, the term "or" is usually used to include the meaning of "and / or", the term "several" is usually used to include the meaning of "at least one", and the term "at least two" is usually used to include the meaning of "two or more". In addition, the terms "first", "second" and "third" are used only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined as "first", "second" and "third" may explicitly or implicitly include one or at least two of the features, "one end" and "the other end" as well as "proximal end" and "distal end" generally refer to two corresponding parts, which include not only endpoints. In addition, as used in the present invention, "installed", "connected", "connected", and one element "set" on another element should be understood in a broad sense, usually only indicating that there is a connection, coupling, cooperation or transmission relationship between the two elements, and the connection, coupling, cooperation or transmission between the two elements can be direct or indirect through an intermediate element, and cannot be understood as indicating or implying the spatial position relationship between the two elements, that is, one element can be in any orientation such as inside, outside, above, below or one side of another element, unless the content clearly indicates otherwise. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. In addition, directional terms such as above, below, up, down, upward, downward, left, right, etc. are used relative to the exemplary embodiments as shown in the figures, with the upward or upper direction toward the top of the corresponding figure, and the downward or lower direction toward the bottom of the corresponding figure.

[0024] The purpose of the present invention is to provide a non-perceived flicker light source system and a non-perceived flicker light source control method to solve the problem that light source flicker in existing phototherapy equipment easily causes discomfort to users.

[0025] The inventors have found that under lighting with a frequency of less than 30 Hz, the human eye can clearly perceive flicker, and will feel uncomfortable or even dizzy. Under lighting with a frequency of 30 Hz to 60 Hz, most people can perceive some flicker, especially in higher brightness or in the peripheral field of view. Under lighting with a frequency of 60 Hz to 100 Hz, most people find it difficult to perceive flicker, but some sensitive people may still be able to detect it. Under lighting with a frequency of 100 Hz and above, the vast majority of people cannot perceive flicker and think that the lighting is continuous.

[0026] Understandably, when the frequency used in phototherapy equipment is greater than 100Hz, most people cannot perceive the flicker, and without special treatment, it is not easy to cause discomfort to the user. Studies have found that stimulation around 40Hz can effectively treat cognitive, emotional and sleep disorders, so the frequency used in current phototherapy equipment is often set around 40Hz. At such a frequency, if no special treatment is performed, it is easy to cause discomfort to the user.

[0027] To solve this problem, the prior art uses a high-frequency (referring to a frequency greater than 100 Hz) basic light source superimposed with a specific rehabilitation treatment frequency (such as a frequency of about 40 Hz) to reduce or alleviate the flickering sensation felt by the user. However, this method has the problem of complex light therapy equipment structure and control algorithm, and is costly.

[0028] The inventors further discovered that the human eye has the property of persistence of vision. Persistence of vision means that when an object is moving rapidly, after the image seen by the human eye disappears, the human eye can continue to retain the image for about 0.4 seconds. Movies and other videos all make use of this property.

[0029] Based on the visual persistence characteristic, the present invention provides a non-perceived flicker light source system. Figure 1 The non-perceptible flicker light source system includes: a control module 1 and a light module 2, wherein the control module 1 is configured to: set the light frequency of the light module to be not less than 30 Hz and not more than 100 Hz; set the duty cycle of each light cycle of the light module to be not less than 85% and not more than 98%; and control the light module 2 to emit light according to the set light frequency and duty cycle. Optionally, the non-perceptible flicker light source system also includes a power module, which is used to supply power to the control module 1 and the light module 2.

[0030] The inventors have found through research that when the light-emitting frequency is not less than 30Hz, the duty cycle in the light-emitting cycle is increased to a certain extent, such as not less than 85%, the flickering interval in adjacent light-emitting cycles can be reduced to the extent that the human eye cannot distinguish a single on-off process, so that most people will regard it as continuous light emission and it is difficult to detect the flickering intervals in between. This embodiment refers to this light as non-perceived flickering light. The essence of non-perceived flickering light is still periodically flickering at a lower frequency. Although the human eye will form a visual illusion of continuous light emission based on the visual persistence characteristics, its periodic flickering can still produce an effective phototherapy effect. Therefore, under the premise of satisfying the phototherapy effect, the user will not feel obvious flickering, thereby reducing visual fatigue and discomfort, providing a more comfortable and effective treatment experience, and improving the safety and effectiveness of phototherapy. Furthermore, the condition for producing a phototherapy effect is whether there is no perceived flickering light or periodic flickering. If the duty cycle is very high, close to 100%, the light is off for too short a time, which will reduce the phototherapy effect. The inventors have found through research that when the duty cycle is not greater than 98%, a good phototherapy effect can be maintained. When the duty cycle is greater than 98%, the phototherapy effect will decrease, and when it is close to 100%, the phototherapy effect is close to zero. Preferably, when the duty cycle is between 90% and 96%, better effects can be achieved.

[0031] Please refer to Figure 1 In a simplified embodiment, the control module 1 can directly control the light-emitting module 2 to emit light. The control module 1 can optionally use an MCU (microcontroller unit, single-chip microcomputer) or a PLC (programmable logic controller) as a control chip, and the light-emitting module 2 can optionally include a light-emitting device with lower power consumption, such as an LED. The LED is connected to the GPIO pin of the control chip through a current-limiting resistor or the like. The control chip sets the light-emitting frequency and the duty cycle in each light-emitting cycle through a preset program, and outputs a corresponding PWM signal based on the set light-emitting frequency and duty cycle, so as to control the LED to emit light according to the set light-emitting frequency and duty cycle. The light-emitting module 2 of this embodiment is not limited to LEDs, but can also include light-emitting devices such as OLEDs (organic light-emitting diodes), laser tubes, and electroluminescent tubes. The specific composition mode and structure are not limited here, and a suitable light-emitting technology can be selected according to actual needs.

[0032] In this embodiment, the duty cycle refers to the ratio of the time the light module 2 is lit to the total time of the light cycle in a light cycle. Figure 2, taking the light-emitting frequency of 40Hz as an example, each light-emitting cycle is 25ms. In an exemplary embodiment, within the light-emitting cycle of 25ms, the light-emitting module 2 is on for 24ms and off for 1ms. At this time, the duty cycle is 24ms / 25ms=96%. At this time, the light-emitting module 2 is off for only 1ms in each light-emitting cycle. Combined with the flickering frequency of 40Hz, the human eye does not have time to perceive the short off process, and will feel that the light-emitting module 2 is always in a light-emitting state. In conjunction with the principle of persistence of vision, the light emitted by the light-emitting module 2 can be recognized as non-perceived flickering light. It should be noted that the driving waveform of the light-emitting module 2 is not limited to the following. Figure 2 The square wave shown may also be in the form of a sine wave, a triangle wave, etc., which is not limited in this embodiment.

[0033] Please continue to refer to Figure 1 Optionally, the non-perceived flickering light source system also includes a communication module 3; the communication module 3 is used to communicate with the outside to obtain a command signal; the control module 1 is configured to: obtain a command light-emitting frequency and a command duty cycle based on the command signal, and set the light-emitting frequency and the duty cycle according to the command light-emitting frequency and the command duty cycle; and / or configure the system state of the non-perceived flickering light source system based on the command signal.

[0034] The communication module 3 can communicate with an external control terminal (such as a dedicated controller, PC or mobile phone, etc.) to obtain a command signal. The command signal can be a clear command containing a numerical value, such as a numerical command containing an expected luminous frequency, an expected duty cycle, an expected luminous brightness, an expected luminous color temperature, etc., and can also contain an unclear relative command, such as a command to increase the luminous frequency, reduce the duty cycle, etc. The command signal can also include a system status control command, such as a control command about the system status such as starting work, ending work, pausing work, etc.

[0035] These command signals can be sent to the communication module 3 through wired or wireless communication methods, and then transmitted to the control module 1. After receiving the command signal, the control module 1 can parse the command signal to obtain the command light-emitting frequency and the command duty cycle, and then control the light-emitting module 2 to emit light according to the command light-emitting frequency and the command duty cycle. It can be understood that when the command signal received by the control module 1 includes a system status control instruction, it correspondingly executes the corresponding control instruction to start, end or pause work. Optionally, the communication module 3 includes a wireless communication unit and / or a wired communication unit. The wireless communication unit preferably adopts wireless communication methods such as Bluetooth and lora, and the wired communication unit preferably adopts wired communication methods such as serial port and network interface to realize communication with an external control terminal.

[0036] In one embodiment, the communication module 3 receives a command signal from an external control terminal, which includes an expected light-emitting frequency of 100 Hz and an expected duty cycle of 90%. After receiving the command signal, the control module 1 can parse and obtain a light-emitting period of 10 ms. In each light-emitting period, the light-emitting module 2 is on for 9 ms and off for 1 ms. Then, the control module 1 can control the light-emitting module 2 to repeatedly emit light in a period of 9 ms on and 1 ms off according to the parsed parameters.

[0037] Please refer to Figure 3 Optionally, the non-perceptible flicker light source system also includes a driving module 4; the control module 1 is configured to send a driving control signal to the driving module 4 according to the set light-emitting frequency and duty cycle; the driving module 4 sends a driving signal to the light-emitting module 2 based on the received driving control signal; the light-emitting module 2 emits light based on the driving signal.

[0038] The rated luminous brightness of LED is related to the current, and it is a current-driven device. Under different temperatures, the voltage across the LED may change greatly. Directly using the control module 1 to drive the LED is feasible in a small-scale experimental circuit (for example, driving a small number of LEDs), but in large-scale industrial products, especially when the number and power of LEDs are large, there are problems such as the driving force cannot meet the demand, low efficiency, and low reliability. For this reason, in this embodiment, a driving module 4 is set between the control module 1 and the light-emitting module 2. The main function of the driving module 4 is to provide a stable and reliable current and voltage for the light-emitting module 2, to ensure the normal operation of the LED of the light-emitting module 2 and to extend its life. By sending a driving control signal to the driving module 4, the control module 1 can control the driving module 4 to output a corresponding driving signal to the light-emitting module 2 to drive the light-emitting module 2 to emit light.

[0039] In some embodiments, the light-emitting module 2 includes n light-emitting units (such as LEDs), n>2. That is, the entire light-emitting module 2 includes multiple LEDs, for example, arranged in an array. The light-emitting units of the light-emitting module 2 can adopt a variety of light-emitting technologies. In a preferred example, the multiple light-emitting units of the light-emitting module 2 can support RGB mixed color light-emitting methods. In this way, the control module 1 can adjust the overall color temperature, brightness, frequency and other parameters of the light-emitting module 2 by controlling the light-emitting intensity, light-emitting frequency and other parameters of different light-emitting units in the light-emitting module 2. The specific composition mode and structure of the light-emitting module 2 are not limited in this embodiment, and a suitable light-emitting technology can be selected according to actual needs. As an example, the light-emitting module 2 in this embodiment includes 16 RGB LEDs with SMD3528-4P package and model WS2812B.

[0040] In an optional embodiment, the light-emitting module 2 includes n light-emitting units; the control module 1 is configured to: obtain the total light-emitting duration t in each light-emitting cycle according to the light-emitting frequency and the duty cycle; set the light-emitting duration of each light-emitting unit to t / n; control each light-emitting unit in sequence according to a preset order to emit light according to the light-emitting duration of t / n, and the light-emitting of the latter light-emitting unit continues after the light-emitting of the former light-emitting unit stops.

[0041] Please refer to Figure 4 , which shows an example of a light-emitting module 2 comprising 16 light-emitting units, the light-emitting frequency is set to 40Hz, and the duty cycle is set to 96%. It can be seen that the light-emitting period is 25ms, and the total light-emitting duration is t=24ms. The light-emitting duration of each light-emitting unit is t / n=1.5ms. The 16 light-emitting units sequentially emit light for 1.5ms and then go out. With such a configuration, the non-perceptible flickering light emitted by the light-emitting module 2 can be made more uniform and less likely to be perceived as flickering. At the same time, since each light-emitting unit emits light in sequence, the light therapy effect produced is better.

[0042] Preferably, in each of the light-emitting cycles, after all the light-emitting units finish emitting light in sequence, all the light-emitting units are configured to stop emitting light until the current light-emitting cycle ends. Figure 4 In the example shown, after the 16th light-emitting unit emits light for 1.5ms, all light-emitting units remain off for 1ms until the current light-emitting cycle ends, and the next light-emitting cycle starts again from the first light-emitting unit.

[0043] The driving module 4 preferably includes a highly integrated LED driving chip, which can at least simultaneously drive more than 16 LEDs for RGB color mixing, and can perform high-precision current regulation and color temperature regulation on the LEDs. The specific operating voltage and driving current of the driving module 4 are not limited here, and a suitable LED driving chip can be selected according to actual conditions. As an example, the driving module 4 can preferably use a TLC5955 series LED driving chip, which can simultaneously drive 16 LEDs of the light-emitting module 2 to work synchronously. The TLC5955 series LED driving chip has integrated open circuit, short circuit and internal current setting functions, and can detect in real time whether the light-emitting module 2 is working normally during use.

[0044] Optionally, the non-perceptible flicker light source system also includes a feedback module 5; the feedback module 5 is configured to: monitor the light emitted by the light-emitting module 2, obtain frequency parameters and / or brightness parameters, and feedback the obtained frequency parameters and / or brightness parameters to the control module 1; the control module 1 is configured to, when the frequency parameters and / or the brightness parameters do not meet the preset requirements, adjust the driving control signal so that the frequency parameters and / or the brightness parameters of the light emitted by the light-emitting module 2 meet the preset requirements.

[0045] The feedback module 5 can be used to collect information such as the actual frequency parameters and / or actual brightness parameters of the light emitted by the light-emitting module 2, and feed it back to the control module 1. The control module 1 compares the information fed back by the feedback module 5 with the preset requirements. If it does not meet the preset requirements, it adjusts the drive control signal sent to the drive module 4. The preset requirements here can be preset according to the program, or can be obtained by parsing the command signal obtained by the communication module 3. The adjusted drive control signal can be adjusted according to the difference between the information fed back by the feedback module 5 and the preset requirements. If the information fed back by the feedback module 5 meets the preset requirements, no adjustment is required.

[0046] Optionally, the feedback module 5 is further configured to: monitor the driving module, and if the driving module contains an error signal, feed back the acquired error signal to the control module 1; the control module 1 is configured to adjust the driving control signal based on the error signal to eliminate the error signal.

[0047] The feedback module 5 can also be used to collect error signals from the driving module 4. In some embodiments, the driving module 4 can obtain information on whether the light emitting module 2 is working properly. For example, the driving module 4 can detect in real time whether the light emitting module 2 is open circuit, short circuit, current is over limit, temperature is over limit, etc. Once a problem is found in the light emitting module 2, a corresponding error signal can be generated. The feedback module 5 can collect the error signal and feed it back to the control module 1. The control module 1 adjusts the driving control signal in a targeted manner according to the received error signal to eliminate the error signal.

[0048] Further, the non-perceptible flickering light source system also includes a warning module; the warning module is configured to: issue a warning message when the feedback module 5 detects that the frequency parameter and / or the brightness parameter do not meet the preset requirements, or detects that the driver module 4 contains an error signal. In some cases, the control module 1 can adjust the driver module 4 and the light module 2 to a normal state through a driving control signal based on the information fed back by the feedback module 5. For example, if the feedback module 5 feeds back that the current of the light module 2 is over the limit, the driving module 4 can be controlled by the driving control signal to reduce the output current to achieve adjustment. In this case, the light module 2 can quickly return to a normal state, and the warning module may be triggered or not. In other cases, the control module 1 may not be able to (or take a long time to) adjust the driver module 4 and the light module 2 to a normal state through a driving control signal based on the information fed back by the feedback module 5. For example, if the light module 2 itself is damaged and causes a short circuit fault, the control module 1 can only control the driver module 4 to stop output based on the information fed back by the feedback module 5 to reduce secondary damage, but cannot automatically return to normal. At this time, the warning module should be triggered to send a warning message to the user to prompt the user. The warning information can be realized, for example, by sound, light or vibration, etc. The specific composition of the feedback module 5 and the warning module can be determined according to actual needs, and this embodiment does not limit it.

[0049] Based on the non-flicker-perceived light source system described above, an embodiment of the present invention further provides a non-flicker-perceived light source control method, which includes: Step S1: setting the light-emitting frequency of the light-emitting module 2 to be not less than 30 Hz and not more than 100 Hz; Step S2: setting the duty cycle of the light-emitting module 2 in each light-emitting cycle to be not less than 85% and not more than 98%; and Step S3: controlling the light-emitting module 2 to emit light according to the set light-emitting frequency and the duty cycle.

[0050] Optionally, the flicker-aware light source control method may further include steps that can be implemented by other optional modules of the non-flicker-aware light source system, which will not be repeated here.

[0051] In summary, in the non-perceptual flicker light source system and non-perceptual flicker light source control method provided by the present invention, the non-perceptual flicker light source system includes: a control module and a light-emitting module, and the control module is configured to: set the light-emitting frequency of the light-emitting module to be not less than 30Hz and not more than 150Hz; set the duty cycle of the light-emitting module in each light-emitting cycle to be not less than 85% and not more than 98%; and control the light-emitting module to emit light according to the set light-emitting frequency and the duty cycle. With such a configuration, the light emitted by the light-emitting module can provide an effective phototherapy effect, and the user will not feel obvious flicker, thereby reducing visual fatigue and discomfort, providing a more comfortable and effective treatment experience, and improving the safety and effectiveness of phototherapy.

[0052] It should be noted that the above embodiments can be combined with each other. The above description is only a description of the preferred embodiments of the present invention, and does not limit the scope of the present invention. Any changes and modifications made by ordinary technicians in the field of the present invention based on the above disclosure are within the protection scope of the present invention.

Claims

1. A non-flickering light source system, characterized in that: include: A control module and a light emitting module, wherein the control module is configured as follows: The light-emitting frequency of the light-emitting module is set to be no less than 30 Hz and no more than 100 Hz; The duty cycle of the light-emitting module in each light-emitting period is set to be not less than 85% and not more than 98%; and The light-emitting module is controlled to emit light according to the set light-emitting frequency and the duty cycle.

2. The non-flickering light source system according to claim 1, characterized in that: The light emitting module comprises n light emitting units; the control module is configured as follows: Determine the total luminous duration t in each luminous cycle according to the luminous frequency and the duty cycle; The light-emitting duration of each light-emitting unit is set to t / n; The light-emitting units are controlled in sequence to emit light for a light-emitting duration of t / n according to a preset order, and the light-emitting of the latter light-emitting unit continues after the light-emitting of the former light-emitting unit stops.

3. The non-flickering light source system according to claim 2, characterized in that: In each of the light-emitting cycles, after all of the light-emitting units finish emitting light in sequence, all of the light-emitting units are configured to stop emitting light until the current light-emitting cycle ends.

4. The non-flickering light source system according to claim 1, characterized in that: The non-perceived flicker light source system further includes a driving module; The control module is configured to send a driving control signal to the driving module according to a set light emission frequency and a duty cycle; The driving module sends a driving signal to the light emitting module based on the received driving control signal; The light emitting module emits light based on the driving signal.

5. The non-flickering light source system according to claim 4, characterized in that: The non-flicker-perceived light source system further includes a feedback module; the feedback module is configured to: Monitor the light emitted by the light emitting module, obtain a frequency parameter and / or a brightness parameter, and feed back the obtained frequency parameter and / or brightness parameter to the control module; The control module is configured to adjust the driving control signal when the frequency parameter and / or the brightness parameter do not meet the preset requirements so that the frequency parameter and / or the brightness parameter of the light emitted by the light emitting module meets the preset requirements.

6. The non-flickering light source system according to claim 4, characterized in that: The non-flicker-perceived light source system further includes a feedback module; the feedback module is configured to: monitoring the driving module, and if the driving module contains an error signal, feeding back the acquired error signal to the control module; The control module is configured to adjust the drive control signal based on the error signal to eliminate the error signal.

7. The non-flickering light source system according to claim 4, characterized in that: The non-perceptual flickering light source system further includes a feedback module and a warning module; the warning module is configured to: When the feedback module detects that the frequency parameter and / or the brightness parameter do not meet the preset requirements, or detects that the driving module contains an error signal, a warning message is issued.

8. The non-flickering light source system according to claim 1, characterized in that: The non-flickering light source system further includes a communication module; the communication module is used to communicate with the outside to obtain a command signal; the control module is configured to: Obtaining a command light emitting frequency and a command duty cycle based on the command signal, and setting the light emitting frequency and the duty cycle according to the command light emitting frequency and the command duty cycle; and / or A system state of the flicker-free light source system is configured based on the command signal.

9. The non-flicker-perceptible light source system according to claim 1, characterized in that: The light emitting frequency is set to 40 Hz, and the duty cycle is set to 96%; or, the light emitting frequency is set to 100 Hz, and the duty cycle is set to 90%.

10. A method for controlling a non-flickering light source, characterized in that: include: The light-emitting frequency of the light-emitting module is set to be no less than 30 Hz and no more than 100 Hz; The duty cycle of the light-emitting module in each light-emitting period is set to be not less than 85% and not more than 98%; and The light-emitting module is controlled to emit light according to the set light-emitting frequency and the duty cycle.

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