Lighting device with time calibration mechanism and calibration method thereof

Abstract

The invention discloses a lighting device with a time calibration mechanism and a calibration method thereof. The lighting device comprises a light-emitting module, a timing module, a control module and a communication module. The timing module generates a local time signal. The control module is connected with the light-emitting module and the timing module, and is used for controlling the starting time of the light-emitting module according to the local time signal and the illumination control table. The communication module is connected with the control module. Wherein the control module periodically receives a first time synchronization signal transmitted by a first external device through the communication module, updates the local time signal according to the first time synchronization signal to generate an updated local time signal, and controls the turn-on time of the light emitting module according to the updated local time signal and the illumination control table.

Description

Technical Field

[0001] The present invention relates to a lighting device, particularly a lighting device with a time calibration mechanism, and the present invention also relates to a time calibration method for this lighting device. Background Art

[0002] With the progress of technology, the application demand for inductive lighting technology is increasing day by day. To meet the needs of different applications, lighting devices not only need to achieve high energy efficiency, but also need to have precise timing control functions to cooperate with the actual situation.

[0003] However, some existing lighting devices rely on external networks (such as 4G, 5G, or WiFi) to achieve precise timing, which will significantly increase the cost of the lighting device.

[0004] In addition, some existing lighting devices use local timers, although they can avoid the need for networking, but due to cumulative errors, time deviation occurs after long-term operation, seriously affecting the reliability of the timing function.

[0005] Therefore, how to solve the above problems has become an urgent issue. Summary of the Invention

[0006] According to an embodiment of the present invention, a lighting device with a time calibration mechanism is proposed, which includes a light-emitting module, a timing module, a control module, and a communication module. The timing module generates a local time signal. The control module is connected to the light-emitting module and the timing module, and controls the turning-on time of the light-emitting module according to the local time signal and the lighting control table. The communication module is connected to the control module. Wherein the control module periodically receives a first time synchronization signal transmitted by a first external device through the communication module, and updates the local time signal according to the first time synchronization signal to generate an updated local time signal. The control module controls the turning-on time of the light-emitting module according to the updated local time signal and the lighting control table.

[0007] In an embodiment, the control module periodically receives a second time synchronization signal transmitted by a second external device through the communication module, and updates the local time signal according to the first time synchronization signal and the second time synchronization signal to generate an updated local time signal. The control module controls the turning-on time of the light-emitting module according to the updated local time signal and the lighting control table.

[0008] In an embodiment, the timing module is a real-time clock module.

[0009] In an embodiment, the communication module is a Bluetooth module, a WiFi module, or a ZigBee module.

[0010] In an embodiment, the control module is a microcontroller, a central processing unit, an application-specific integrated circuit chip, or a field-programmable gate array.

[0011] According to another embodiment of the present invention, a method for time calibration of a lighting device is provided, which includes the following steps: generating a local time signal via a timing module; controlling the turn-on time of the light-emitting module by a control module according to the local time signal and a lighting control table; periodically receiving, by the control module through a communication module, a first time synchronization signal transmitted by a first external device; updating, via the control module, the local time signal according to the first time synchronization signal to generate an updated local time signal; and controlling the turn-on time of the light-emitting module by the control module according to the updated local time signal and the lighting control table.

[0012] In one embodiment, the step of updating, via the control module, the local time signal according to the first time synchronization signal to generate an updated local time signal further includes: periodically receiving, by the control module through the communication module, a second time synchronization signal transmitted by a second external device; updating, by the control module, the local time signal according to the first time synchronization signal and the second time synchronization signal to generate an updated local time signal; and controlling the turn-on time of the light-emitting module by the control module according to the updated local time signal and the lighting control table.

[0013] In one embodiment, the timing module is a real-time clock module.

[0014] In one embodiment, the communication module is a Bluetooth module, a WiFi module, or a ZigBee module.

[0015] In one embodiment, the control module is a microcontroller, a central processing unit, an application-specific integrated circuit chip, or a field-programmable gate array.

[0016] As described above, the lighting device with a time calibration mechanism and its calibration method according to the embodiments of the present invention may have one or more of the following advantages:

[0017] (1) In an embodiment of the present invention, the lighting device includes a light-emitting module, a timing module, a control module, and a communication module. The timing module generates a local time signal. The control module is connected to the light-emitting module and the timing module, and controls the turn-on time of the light-emitting module according to the local time signal and a lighting control table. The communication module is connected to the control module. The control module periodically receives a first time synchronization signal transmitted by a first external device through the communication module, and updates the local time signal according to the first time synchronization signal to generate an updated local time signal. The control module controls the turn-on time of the light-emitting module according to the updated local time signal and the lighting control table. Through the above time calibration mechanism, the lighting device can perform accurate time calibration without being connected to an external network. In this way, the lighting device can more accurately control the turn-on time of the lighting device to avoid time deviation after long-term operation due to cumulative errors. Therefore, the timing function of the lighting device can achieve high accuracy for a long time to meet the requirements of different applications.

[0018] (2) In an embodiment of the present invention, the control module periodically receives a second time synchronization signal transmitted by a second external device through the communication module, and updates the local time signal according to the first time synchronization signal and the second time synchronization signal to generate an updated local time signal. The control module controls the turn-on time of the light-emitting module according to the updated local time signal and the lighting control table. Through the above review mechanism, the lighting device can perform a time calibration mechanism according to the time synchronization signals of two or more external devices, further improving the accuracy of the timing function of the lighting device. In this way, the lighting device can more accurately control the turn-on time of the lighting device to avoid time deviation after long-term operation due to cumulative errors. Therefore, the timing function of the lighting device can achieve high accuracy for a long time and better meet the requirements of different applications.

[0019] (3) In an embodiment of the present invention, the control module controls the turn-on time of the light-emitting module according to the local time signal provided by the timing module and the lighting control table. The timing module can be a real-time clock module. In this way, the control module can effectively control the turn-on time of the light-emitting module according to actual needs to achieve an ideal lighting effect, and can be realized through a simple circuit structure. Therefore, the lighting device can effectively solve the problems of the prior art without significantly increasing the cost of the lighting device.

[0020] (4) In an embodiment of the present invention, the lighting device can achieve a high-precision timing function and maintain accurate time control for a long time. Therefore, the lighting device can be applied to a variety of different intelligent applications, such as smart home, industrial automation, and intelligent parking lot. Therefore, the lighting device is more in line with the future development direction of intelligentization and energy conservation. Through precise timing control, the lighting device can further optimize the energy usage efficiency and improve the reliability of the system to meet the future development trends and diverse needs.

[0021] (5) In an embodiment of the present invention, the lighting device adopts a simple design architecture, and can achieve core functions such as precise timing and energy-saving control without excessive cost increase. For the above reasons, the lighting device not only greatly improves its practicability, but also can be flexibly applied to various applications. Therefore, the application of the lighting device can be more extensive and more flexible in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a block diagram of the circuit structure of the lighting device with a time calibration mechanism according to the first embodiment of the present invention.

[0023] Figure 2 It is the first schematic diagram of the operating state of the lighting device with a time calibration mechanism according to the first embodiment of the present invention.

[0024] Figure 3 It is the second schematic diagram of the operating state of the lighting device with a time calibration mechanism according to the first embodiment of the present invention.

[0025] Figure 4 It is a flowchart of the time calibration method of the lighting device according to the first embodiment of the present invention.

[0026] Figure 5 It is a schematic diagram of the operating state of the lighting device with a time calibration mechanism according to the second embodiment of the present invention.

[0027] Figure 6 It is a flowchart of the time calibration method of the lighting device according to the second embodiment of the present invention.

[0028] DESCRIPTION OF REFERENCE NUMERALS:

[0029] 1 - Lighting device; 11 - Light-emitting module; 12 - Timing module; 13 - Control module; 131 - Lighting control table; 14 - Communication module; Rs - Local time signal; Rs' - Updated local time signal; Cs - Control signal; ED1 - First external device; ED2 - Second external device; Ts1 - First time synchronization signal; Ts2 - Second time synchronization signal; S41~S45, S61~S65 - Step flow.

[0030] The following will detail the specific features and advantages of the present invention in the embodiments, the content of which is sufficient for any person skilled in the relevant art to understand the technical content of the present invention and implement it accordingly. And based on the content, claims and drawings disclosed in this specification, any person skilled in the relevant art can easily understand the relevant objectives and advantages of this creation. Detailed Embodiment

[0031] The following will refer to the relevant drawings to illustrate embodiments of the lighting device with a time calibration mechanism and its calibration method according to the present invention. For the sake of clarity and convenience in illustrating the drawings, the components in the drawings may be presented in an exaggerated or reduced size and proportion. In the following description and / or claims, when referring to a component "connected" or "coupled" to another component, it may be directly connected or coupled to the other component or there may be intervening components; while when referring to a component "directly connected" or "directly coupled" to another component, there are no intervening components, and other words used to describe the relationship between components or layers should be interpreted in the same way. For ease of understanding, the same components in the following embodiments are denoted by the same reference numerals.

[0032] Please refer to Figure 1 , which is a block diagram of the circuit structure of the lighting device with a time calibration mechanism according to the first embodiment of the present invention. As shown in the figure, the lighting device 1 includes a light-emitting module 11, a timing module 12, a control module 13, and a communication module 14. The timing module 12, the control module 13, and the communication module 14 are connected to the control module 13. In one embodiment, the light-emitting module 11 may be a light-emitting diode (LED), a light bulb, a fluorescent lamp tube, or other similar components. In one embodiment, the timing module 12 may be a real-time clock module or other circuits with a timing function. In one embodiment, the communication module 14 may be a Bluetooth module, a WiFi module, a ZigBee module, or other existing communication circuits. In one embodiment, the control module 13 may be a microcontroller (MCU), a central processing unit (CPU), an application-specific integrated circuit chip (ASIC), a field-programmable gate array (FPGA), or other similar components.

[0033] Of course, this embodiment is only used for illustration and not for limiting the scope of the present invention. Equivalent modifications or changes made to the lighting device 1 with a time calibration mechanism according to this embodiment should still be included within the scope of the patent of the present invention.

[0034] Please refer to Figure 2 , which is the first schematic diagram of the operating state of the lighting device with a time calibration mechanism according to the first embodiment of the present invention. As shown in the figure, the timing module 12 generates a local time signal Rs.

[0035] The control module 13 generates a control signal Cs according to the local time signal Rs and the lighting control table 131 to control the turn-on time of the light-emitting module 11. The lighting control table 131 can be stored in the internal memory of the control module 13 or an external memory. The lighting control table 131 can record the turn-on time of the light-emitting module 11, and the light-emitting module 11 remains in the off state at other times. The user can adjust the lighting control table 131 by himself to meet the actual application requirements.

[0036] Of course, this embodiment is only used for illustration and does not limit the scope of the present invention. Equivalent modifications or changes made to the lighting device 1 with a time calibration mechanism according to this embodiment should still be included within the scope of the patent of the present invention.

[0037] Please refer to Figure 3 , which is the second schematic diagram of the operating state of the lighting device with a time calibration mechanism according to the first embodiment of the present invention. As shown in the figure, the control module 13 periodically receives the first time synchronization signal Ts1 transmitted by the first external device ED1 through the communication module 14, and updates the local time signal Rs according to the first time synchronization signal Ts1 to generate an updated local time signal Rs'. The time interval for the control module 13 to receive the first time synchronization signal Ts1 transmitted by the first external device ED1 can be adjusted according to actual requirements. For example, the above time interval can be several hours, several days or several months.

[0038] Then, the control module 13 controls the turn-on time of the light-emitting module 11 according to the updated local time signal Rs' and the lighting control table 131.

[0039] As can be seen from the above, in this embodiment, the lighting device 1 can perform precise time calibration through the above time calibration mechanism without being connected to an external network. In this way, the lighting device 1 can more precisely control the turn-on time of the lighting device 1 to avoid time deviation after long-term operation due to cumulative errors. Therefore, the timing function of the lighting device 1 can achieve high precision for a long time to meet the requirements of different applications.

[0040] In addition, in this embodiment, the control module 13 controls the turn-on time of the light-emitting module 11 according to the local time signal Rs provided by the timing module 12 and the lighting control table 131. The timing module 12 can be a real-time clock module. In this way, the control module 13 can effectively control the turn-on time of the light-emitting module 11 according to actual requirements to achieve an ideal lighting effect, and can be implemented through a simple circuit structure. Therefore, the lighting device 1 can effectively solve the problems of the prior art and will not significantly increase the cost of the lighting device 1.

[0041] In addition, in this embodiment, the lighting device 1 can achieve a high-precision timing function and can maintain accurate time control for a long time. Therefore, the lighting device 1 can be applied to a variety of different intelligent applications, such as smart home, industrial automation, and smart parking lots. Therefore, the lighting device 1 is more in line with the future development direction of intelligence and energy conservation. Through precise timing control, the lighting device 1 can further optimize the energy usage efficiency and improve the reliability of the system to meet the future development trends and diverse needs.

[0042] In another embodiment, the lighting device 1 may also have a verification mechanism. Through this verification mechanism, the lighting device 1 can perform a time calibration mechanism according to the time synchronization signals of two or more external devices, further improving the accuracy of the timing function of the lighting device 1. In this way, the lighting device 1 can more precisely control the turning-on time of the lighting device 1 to avoid time deviation after long-term operation due to cumulative errors. Therefore, the timing function of the lighting device 1 can achieve high precision for a long time and better meet the requirements of different applications.

[0043] Of course, this embodiment is only used for illustration and does not limit the scope of the present invention. Equivalent modifications or changes made based on the lighting device 1 with a time calibration mechanism in this embodiment should still be included within the patent scope of the present invention.

[0044] Please refer to Figure 4 , which is a flowchart of the time calibration method of the lighting device in the first embodiment of the present invention. As shown in the figure, the time calibration method of the lighting device 1 in this embodiment includes the following steps:

[0045] Step S41: Generate a local time signal via the timing module.

[0046] Step S42: The control module controls the turning-on time of the light-emitting module according to the local time signal and the lighting control table.

[0047] Step S43: The control module periodically receives the first time synchronization signal transmitted by the first external device through the communication module.

[0048] Step S44: The control module updates the local time signal according to the first time synchronization signal to generate an updated local time signal.

[0049] Step S45: The control module controls the turning-on time of the light-emitting module according to the updated local time signal and the lighting control table.

[0050] Of course, this embodiment is only used for illustration and does not limit the scope of the present invention. Equivalent modifications or changes made based on the time calibration method of the lighting device 1 in this embodiment should still be included within the patent scope of the present invention.

[0051] Although the steps of the methods described in this invention are shown and described in a specific order, the order of operations of each method can be changed, certain steps can be executed in the reverse order, or certain steps can also be executed simultaneously with other steps. In another embodiment, different steps can be implemented in an intermittent and / or alternating manner.

[0052] It is worth mentioning that some existing lighting devices rely on external networks (such as 4G, 5G or WiFi) to achieve precise timing, which will significantly increase the cost of the lighting devices. Additionally, some existing lighting devices use local timers, which, although can avoid the need for networking, will result in time deviation after long-term operation due to cumulative errors, seriously affecting the reliability of the timing function. In contrast, according to an embodiment of the present invention, the lighting device includes a light-emitting module, a timing module, a control module and a communication module. The timing module generates a local time signal. The control module is connected to the light-emitting module and the timing module, and controls the turn-on time of the light-emitting module according to the local time signal and the lighting control table. The communication module is connected to the control module. Wherein the control module periodically receives a first time synchronization signal transmitted by a first external device through the communication module, and updates the local time signal according to the first time synchronization signal to generate an updated local time signal. The control module controls the turn-on time of the light-emitting module according to the updated local time signal and the lighting control table. Through the above time calibration mechanism, the lighting device can perform precise time calibration without being connected to an external network. In this way, the lighting device can more precisely control the turn-on time of the lighting device to avoid time deviation after long-term operation due to cumulative errors. Therefore, the timing function of the lighting device can achieve high precision for a long time to meet the requirements of different applications.

[0053] Moreover, according to an embodiment of the present invention, the control module periodically receives a second time synchronization signal transmitted by a second external device through the communication module, and updates the local time signal according to the first time synchronization signal and the second time synchronization signal to generate an updated local time signal. The control module controls the turn-on time of the light-emitting module according to the updated local time signal and the lighting control table. Through the above review mechanism, the lighting device can perform a time calibration mechanism according to the time synchronization signals of two or more external devices, further improving the precision of the timing function of the lighting device. In this way, the lighting device can more precisely control the turn-on time of the lighting device to avoid time deviation after long-term operation due to cumulative errors. Therefore, the timing function of the lighting device can achieve high precision for a long time and better meet the requirements of different applications.

[0054] In addition, according to an embodiment of the present invention, the control module controls the turn-on time of the light-emitting module according to the local time signal provided by the timing module and the lighting control table. The timing module can be a real-time clock module. In this way, the control module can effectively control the turn-on time of the light-emitting module according to actual requirements to achieve an ideal lighting effect, and can be implemented through a simple circuit structure. Therefore, the lighting device can effectively solve the problems of the prior art without significantly increasing the cost of the lighting device.

[0055] In addition, according to an embodiment of the present invention, the lighting device can achieve a high-precision timing function and can maintain accurate time control for a long time. Therefore, the lighting device can be applied to a variety of different intelligent applications, such as smart home, industrial automation, and intelligent parking lot and other fields. Therefore, the lighting device is more in line with the future development direction of intelligentization and energy conservation. Through precise timing control, the lighting device can further optimize the energy usage efficiency and improve the reliability of the system to meet the future development trends and diverse needs.

[0056] Furthermore, according to an embodiment of the present invention, the lighting device adopts a simple design architecture and can achieve core functions such as precise timing and energy-saving control without excessive cost increase. For the above reasons, the lighting device not only greatly improves its practicality but also can be flexibly applied to various applications. Therefore, the application of the lighting device can be more extensive and more flexible in use. As can be seen from the above, the lighting device with a time calibration mechanism according to the embodiment of the present invention can indeed achieve excellent technical effects.

[0057] Please refer to Figure 5 , which is a schematic diagram of the operating state of the lighting device with a time calibration mechanism according to the second embodiment of the present invention. Similarly, the timing module 12 generates a local time signal Rs. The control module 13 generates a control signal Cs according to the local time signal Rs and the lighting control table 131 to control the turn-on time of the light-emitting module 11 (as Figure 2 shown).

[0058] As Figure 5 shown, different from the previous embodiment, in this embodiment, the control module 13 not only periodically receives the first time synchronization signal Ts1 transmitted by the first external device ED1 through the communication module 14, but also receives the first time synchronization signal Ts2 transmitted by the second external device ED2. Then, the control module 13 updates the local time signal Rs according to the first time synchronization signal Ts1 and the second time synchronization signal Ts2 to generate an updated local time signal Rs'.

[0059] The control module 13 determines the priority of the first time synchronization signal Ts1 and the priority of the second time synchronization signal Ts2 based on the time of the first time synchronization signal Ts1 and the time of the second time synchronization signal Ts2. For example, the first time synchronization signal Ts1 has a first priority, and the second time synchronization signal Ts2 has a second priority. If the time of the first time synchronization signal Ts1 is later than the time of the second time synchronization signal Ts2, the first priority is greater than the second priority. Conversely, the second priority is greater than the first priority. For example, the time of the first time synchronization signal Ts1 is 13:20:30 on X month X day, XXXX, and the time of the first time synchronization signal Ts1 is 13:20:12 on X month X day, XXXX. Thus, the first priority is greater than the second priority.

[0060] Then, the control module 13 calculates the difference between the time of the first time synchronization signal Ts1 and the time of the second time synchronization signal Ts2 and the average value of this difference. That is, the control module 13 divides this difference by the number of external devices; in this embodiment, the number of external devices is 2 (the first external device ED1 and the second external device ED2).

[0061] Next, the control module 13 subtracts this average value from the time of the time synchronization signal with the higher priority to generate an updated time synchronization signal, and updates the local time signal Rs based on this updated time synchronization signal to generate an updated local time signal Rs'. For example, the time of the first time synchronization signal Ts1 is 13:20:30 on X month X day, XXXX, and the time of the first time synchronization signal Ts1 is 13:20:12 on X month X day, XXXX. The first time synchronization signal Ts1 has a higher priority. The control module 13 calculates the difference (18 seconds) between the time of the first time synchronization signal Ts1 and the time of the second time synchronization signal Ts2 and the average value of this difference (9 seconds). Then, the control module 13 subtracts this average value (9 seconds) from the time of the first time synchronization signal Ts1 (the time synchronization signal with the higher priority) to generate an updated time synchronization signal (13:20:21 on X month X day, XXXX), and updates the local time signal Rs based on this updated time synchronization signal to generate an updated local time signal Rs'.

[0062] Finally, the control module 13 controls the turn-on time of the light-emitting module 11 according to the updated local time signal Rs' and the lighting control table 131.

[0063] Through this review mechanism, the lighting device 1 can perform a time calibration mechanism based on the time synchronization signals of two or more external devices, and eliminate the errors of the time synchronization signals of these external devices, so that the accuracy of the timing function of the lighting device 1 is further improved. In this way, the lighting device 1 can more accurately control the start time of the lighting device 1 to avoid the time deviation caused by the accumulated error after long-term operation. Therefore, the timing function of the lighting device 1 can achieve high accuracy for a long time and better meet the needs of different applications.

[0064] If there are more than three external devices, the control module 13 may select the time synchronization signals of two external devices with higher priorities and perform the same operation mechanism.

[0065] In addition, it can be seen from the above that the lighting device 1 is implemented based on a streamlined and efficient design strategy, which not only successfully controls production costs, but also perfectly integrates technologies such as high-precision timing control and intelligent energy-saving management. Through this design strategy that cleverly balances cost and performance, the lighting device 1 can achieve a high degree of practicality. Secondly, the lighting device 1 has a modular design, which enables the lighting device 1 to achieve excellent system compatibility and can be easily adapted to different voltage environments and installation scenarios from home to industry. In this way, the application performance of the lighting device 1 is greatly improved, providing an ideal solution for the comprehensive popularization of intelligent lighting technology in commercial, industrial and civil fields, in line with future development trends.

[0066] Of course, this embodiment is only used for illustration rather than to limit the scope of the present invention, and equivalent modifications or changes made to the lighting device 1 with a time calibration mechanism according to this embodiment should still be included in the patent scope of the present invention.

[0067] See also Figure 6 , which is a flow chart of a time calibration method for an illumination device according to a second embodiment of the present invention. As shown in the figure, the time calibration method for an illumination device 1 according to this embodiment includes the following steps:

[0068] Step S61: Generate a local time signal via a timing module.

[0069] Step S62: The control module controls the start time of the light-emitting module according to the local time signal and the lighting control table.

[0070] Step S63: The control module periodically receives, through the communication module, a first time synchronization signal transmitted by the first external device and a second time synchronization signal transmitted by the second external device.

[0071] Step S64: updating the local time signal according to the first time synchronization signal and the second time synchronization signal via the control module to generate an updated local time signal.

[0072] Step S65: The control module controls the turn-on time of the light-emitting module according to the updated local time signal and the lighting control table.

[0073] Of course, this embodiment is only used for illustration and not for limiting the scope of the present invention. Equivalent modifications or changes made according to the time calibration method of the lighting device 1 in this embodiment should still be included within the scope of the patent of the present invention.

[0074] Although the steps of the methods described in the present invention are shown and described in a specific order, the operation order of each method can be changed, certain steps can be executed in the reverse order, or certain steps can also be executed simultaneously with other steps. In another embodiment, different steps can be implemented in an intermittent and / or alternating manner.

[0075] In summary, according to the embodiments of the present invention, a lighting device includes a light-emitting module, a timing module, a control module, and a communication module. The timing module generates a local time signal. The control module is connected to the light-emitting module and the timing module, and controls the turn-on time of the light-emitting module according to the local time signal and the lighting control table. The communication module is connected to the control module. The control module periodically receives a first time synchronization signal transmitted by a first external device through the communication module, and updates the local time signal according to the first time synchronization signal to generate an updated local time signal. The control module controls the turn-on time of the light-emitting module according to the updated local time signal and the lighting control table. Through the above time calibration mechanism, the lighting device can perform precise time calibration without being connected to an external network. In this way, the lighting device can more precisely control the turn-on time of the lighting device to avoid time deviation caused by cumulative errors after long-term operation. Therefore, the timing function of the lighting device can achieve high precision for a long time to meet the requirements of different applications.

[0076] Also, according to the embodiments of the present invention, the control module periodically receives a second time synchronization signal transmitted by a second external device through the communication module, and updates the local time signal according to the first time synchronization signal and the second time synchronization signal to generate an updated local time signal. The control module controls the turn-on time of the light-emitting module according to the updated local time signal and the lighting control table. Through the above review mechanism, the lighting device can perform a time calibration mechanism based on the time synchronization signals of two or more external devices, further improving the precision of the timing function of the lighting device. In this way, the lighting device can more precisely control the turn-on time of the lighting device to avoid time deviation caused by cumulative errors after long-term operation. Therefore, the timing function of the lighting device can achieve high precision for a long time and better meet the requirements of different applications.

[0077] In addition, according to an embodiment of the present invention, the control module controls the turn-on time of the light-emitting module according to the local time signal provided by the timing module and the lighting control table. The timing module can be a real-time clock module. In this way, the control module can effectively control the turn-on time of the light-emitting module according to actual needs to achieve an ideal lighting effect, and can be implemented with a simple circuit structure. Therefore, the lighting device can effectively solve the problems of the prior art without significantly increasing the cost of the lighting device.

[0078] In addition, according to an embodiment of the present invention, the lighting device can achieve a high-precision timing function and can maintain accurate time control for a long time. Therefore, the lighting device can be applied to a variety of different intelligent applications, such as smart home, industrial automation, and intelligent parking lot. Therefore, the lighting device is more in line with the future development direction of intelligentization and energy conservation. Through precise timing control, the lighting device can further optimize the energy use efficiency and improve the reliability of the system to meet the future development trend and diverse needs.

[0079] Furthermore, according to an embodiment of the present invention, the lighting device adopts a simple design architecture and can achieve core functions such as precise timing and energy-saving control without excessive cost increase. For the above reasons, the lighting device not only greatly improves its practicality but also can be flexibly applied to various applications. Therefore, the application of the lighting device can be more extensive and more flexible in use.

[0080] It should be noted that although the above embodiments have been described in this article, the patent protection scope of the present invention is not limited thereby. Therefore, based on the innovative concept of the present invention, changes and modifications made to the embodiments described in this article, or equivalent structural or equivalent process transformations made using the content of the specification and drawings of the present invention, directly or indirectly applying the above technical solutions to other related technical fields are all included in the protection scope of the present invention patent.

Claims

1. A lighting device with a time calibration mechanism, characterized in that: include: Light emitting module; A timing module, used to generate a local time signal; A control module, connected to the light-emitting module and the timing module, and used to control the opening time of the light-emitting module according to the local time signal and the lighting control table; as well as A communication module connected to the control module; The control module is used to periodically receive a first time synchronization signal transmitted by a first external device through the communication module, and update the local time signal according to the first time synchronization signal to generate an updated local time signal, and control the start time of the light-emitting module according to the updated local time signal and the lighting control table.

2. The lighting device with a time calibration mechanism according to claim 1, characterized in that: The control module is used to periodically receive a second time synchronization signal transmitted by a second external device through the communication module, and update the local time signal according to the first time synchronization signal and the second time synchronization signal to generate the updated local time signal, and control the turn-on time of the light-emitting module according to the updated local time signal and the lighting control table.

3. The lighting device with a time calibration mechanism according to claim 1, characterized in that: The timing module is a real-time clock module.

4. The lighting device with a time calibration mechanism according to claim 1, characterized in that: The communication module is a Bluetooth module, a WiFi module or a ZigBee module.

5. The lighting device with a time calibration mechanism according to claim 1, characterized in that: The control module is a microcontroller, a central processing unit, a special application integrated circuit chip or a field programmable logic gate array.

6. A time calibration method for a lighting device, characterized in that: include: Generate a local time signal via a timing module; The control module controls the opening time of the light-emitting module according to the local time signal and the lighting control table; The control module periodically receives a first time synchronization signal transmitted by a first external device through the communication module; updating the local time signal according to the first time synchronization signal via the control module to generate an updated local time signal; as well as The control module controls the turn-on time of the light-emitting module according to the updated local time signal and the lighting control table.

7. The time calibration method of the lighting device according to claim 6, characterized in that: The step of updating the local time signal according to the first time synchronization signal via the control module to generate the updated local time signal also includes: receiving, via the control module, a second time synchronization signal transmitted by a second external device through the communication module periodically; Updating the local time signal by the control module according to the first time synchronization signal and the second time synchronization signal to generate the updated local time signal; and The control module controls the start time of the light emitting module according to the updated local time signal and the lighting control table.

8. The time calibration method of the lighting device according to claim 6, characterized in that: The timing module is a real-time clock module.

9. The time calibration method of the lighting device according to claim 6, characterized in that: The communication module is a Bluetooth module, a WiFi module or a ZigBee module.

10. The time calibration method of the lighting device according to claim 6, characterized in that: The control module is a microcontroller, a central processing unit, a special application integrated circuit chip or a field programmable logic gate array.

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