Solar networking street lamp control circuit

Abstract

The utility model discloses a solar networking street lamp control circuit, which comprises a main control module, and a solar charging module, a battery module, an induction networking module, an illumination sampling module, a driving module, a light source module, a light source state detection module and a battery state detection module which are respectively and electrically connected with the main control module, the solar charging module is used for charging the battery module, the battery module is electrically connected with the power supply end of the light source module, and the driving module is electrically connected with the driving end of the light source module; the illumination sampling module feeds back collected illumination information to the main control module; the sensing networking module can sense whether a human body passes through the light source modules or not, and the sensing networking module enables the multiple light source modules to be connected in a wireless networking mode and feeds back sensing information to the main control module. The main control module controls the light source module to be on or off or controls the brightness change according to the illumination information and the sensing information; the light source state detection module feeds back the working state information of the light source module to the main control module, the battery state detection module feeds back the state information of the battery module to the main control module, and the main control module comprehensively controls the charging and discharging states of the battery module according to the feedback information.

Description

Technical Field

[0001] The utility model relates to the technical field of street lamps, in particular to a solar energy network street lamp control circuit. Background Art

[0002] The working hours of existing solar roads are too fixed. Even if no one passes by during the specified time, they will remain in working state, which increases unnecessary power consumption. In addition, there are a large number of street lights, and a controller is required to control the switching status of the street lights one by one, which consumes a lot of power, has a complex circuit structure, and is not easy to control. Utility Model Content

[0003] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art and to provide a solar network street light control circuit which is energy-saving and easy to control.

[0004] According to the solar network street light control circuit of the embodiment of the utility model, it includes a main control module and a solar charging module, a battery module, an induction networking module, an illumination sampling module, a driving module, a light source module, a light source state detection module and a battery state detection module which are electrically connected to the main control module respectively, wherein the solar charging module is used to charge the battery module, the battery module is electrically connected to the power supply end of the light source module, and the driving module is electrically connected to the driving end of the light source module; the illumination sampling module feeds back the collected illumination information to the main control module; the induction networking module can sense whether a human body passes through the light source module, and the induction networking module wirelessly networks a plurality of the light source modules, and the induction networking module feeds back the induction information to the main control module, and the main control module controls the light source module network to light up or turn off or controls the brightness change according to the illumination information and the induction information; the light source state detection module feeds back the working state information of the light source module to the main control module, and the battery state detection module feeds back the state information of the battery module to the main control module to control the charge and discharge state of the battery module.

[0005] According to some embodiments of the present utility model, the solar charging module includes a solar panel and an MPPT fast charging module. The input end of the MPPT fast charging module is electrically connected to the solar panel, and the output end of the MPPT fast charging module is electrically connected to the charging end of the battery module.

[0006] According to some embodiments of the utility model, the light sampling module adopts a resistor voltage divider circuit, and the resistor voltage divider circuit is electrically connected to the output end of the solar cell panel to proportionally reduce its output voltage to form a sampling signal and feed it back to the main control module. The main control module determines the intensity of the light according to the size of the sampling signal.

[0007] According to some embodiments of the present utility model, the driving module includes a MOS tube Q1 and a current limiting resistor R1, the gate of the MOS tube Q1 is electrically connected to the PWM signal end of the main control module, the drain of the MOS tube Q1 is electrically connected to one end of the current limiting resistor R1, and the other end of the current limiting resistor R1 is electrically connected to the driving end of the light source module.

[0008] According to some embodiments of the present invention, an indication module is further included, and the indication module is electrically connected to the main control module to display the charging status and the battery power status.

[0009] According to some embodiments of the present invention, the main control module is a main control chip U1.

[0010] According to some embodiments of the present invention, the sensing networking module includes a radar sensor and a networking chip which are electrically connected to the main control module respectively.

[0011] The solar networked street light control circuit according to the embodiment of the utility model has at least the following beneficial effects: when the ambient light illumination is very low (at night) and someone passes by the light source module, the sensing networking module senses it and feeds back the sensing information to the main control module, and multiple sensing networking modules communicate with each other wirelessly, and the main control module controls the corresponding light source modules to network and light up or increase the brightness, and the networking sensing structure is simple and energy-saving; and the main control module can detect the voltage and power of the battery through the battery status detection module to prevent over-discharge.

[0012] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The specific implementation of the utility model is further described below in conjunction with the accompanying drawings;

[0014] Figure 1 It is the schematic diagram of the solar network street light control circuit. DETAILED DESCRIPTION

[0015] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0016] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0017] In the description of the present utility model, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0018] Reference Figure 1 The utility model discloses a solar network street light control circuit, including a main control module and a solar charging module 10, a battery module, a sensing networking module, a light sampling module, a driving module 40, a light source module 30, a light source state detection module and a battery state detection module, the main control module is a main control chip U1, and the sensing networking module includes a radar sensor and a networking chip which are electrically connected to the main control module respectively. The solar charging module 10 is used to charge the battery module, the battery module is electrically connected to the power supply end of the light source module 30, and the driving module 40 is electrically connected to the driving end of the light source module 30; the light sampling module feeds back the collected light information to the main control module; the sensing networking module can sense whether there is a human body passing by the light source module 30, and the sensing networking module wirelessly networks multiple light source modules 30, and the sensing networking module feeds back the sensing information to the main control module, and the main control module controls the light source module 30 network to turn on or off or control the brightness change according to the light information and the sensing information; the light source status detection module feeds back the working status information of the light source module 30 to the main control module, and the battery status detection module feeds back the status information of the battery module to the main control module to control the charging and discharging status of the battery module.

[0019] like Figure 1 The solar charging module 10 includes a solar panel and an MPPT fast charging module. The input end of the MPPT fast charging module is electrically connected to the solar panel, and the output end of the MPPT fast charging module is electrically connected to the charging end of the battery module. The MPPT fast charging module tracks the maximum power point of the solar panel and adjusts the charging VI curve to achieve maximum output to the battery and improve the solar charging efficiency.

[0020] Furthermore, the light sampling module adopts a resistor voltage divider circuit, which is electrically connected to the output end of the solar cell panel to proportionally reduce its output voltage to form a sampling signal and feed it back to the main control module. The main control module determines the intensity of the light according to the size of the sampling signal.

[0021] like Figure 1 The driving module 40 includes a MOS tube Q1 and a current limiting resistor R1. The gate of the MOS tube Q1 is electrically connected to the PWM signal end of the main control module, the drain of the MOS tube Q1 is electrically connected to one end of the current limiting resistor R1, and the other end of the current limiting resistor R1 is electrically connected to the driving end of the light source module 30. The structure is simple and easy to control.

[0022] Furthermore, it also includes an indication module 50, which is electrically connected to the main control module to display the charging status, battery power status and lighting status of the light source.

[0023] That is, when the ambient light illumination is very low (at night) and someone passes by the light source module 30, the sensing networking module senses it and feeds back the sensing information to the main control module, and multiple sensing networking modules communicate with each other wirelessly, and the main control module controls the corresponding light source modules 30 to network and light up or increase the brightness. The networking sensing structure is simple and energy-saving; the main control module can detect the working status of the light source through the light source status detection module, so as to display the working status of the light source through the indication module; and the main control module can detect the voltage and power of the battery through the battery status detection module to prevent over-discharge.

[0024] It is easy for those skilled in the art to understand that the above preferred embodiments can be freely combined and superimposed without conflict.

[0025] The above are only preferred embodiments of the present invention, and are not intended to limit the patent scope of the present invention. All equivalent structural changes made using the contents of the present invention specification and drawings under the utility model concept, or directly or indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A solar network street light control circuit, characterized in that: include: A main control module and a solar charging module (10), a battery module, a sensing networking module, a light sampling module, a driving module (40), a light source module (30), a light source status detection module and a battery status detection module, each of which is electrically connected to the main control module. The solar charging module (10) is used to charge the battery module. The battery module is electrically connected to a power supply end of the light source module (30). The driving module (40) is electrically connected to a driving end of the light source module (30). The light sampling module feeds back the collected light information to the main control module. The sensing networking module The module can sense whether a human body passes by the light source module (30), and the sensing networking module wirelessly networks a plurality of the light source modules (30). The sensing networking module feeds back sensing information to the main control module, and the main control module controls the light source module network to turn on or off or control brightness changes according to the illumination information and the sensing information; the light source status detection module feeds back the working status information of the light source module to the main control module, and the battery status detection module feeds back the status information of the battery module to the main control module to control the charging and discharging status of the battery module.

2. The solar energy network street light control circuit according to claim 1 is characterized in that: The solar charging module (10) comprises a solar panel and an MPPT fast charging module, wherein the input end of the MPPT fast charging module is electrically connected to the solar panel, and the output end of the MPPT fast charging module is electrically connected to the charging end of the battery module.

3. The solar energy network street light control circuit according to claim 2 is characterized in that: The light sampling module adopts a resistor voltage divider circuit, which is electrically connected to the output end of the solar cell panel to proportionally reduce its output voltage to form a sampling signal and feed it back to the main control module. The main control module determines the intensity of light according to the size of the sampling signal.

4. The solar energy network street light control circuit according to claim 1, characterized in that: The driving module (40) comprises a MOS tube Q1 and a current limiting resistor R1, the gate of the MOS tube Q1 is electrically connected to the PWM signal end of the main control module, the drain of the MOS tube Q1 is electrically connected to one end of the current limiting resistor R1, and the other end of the current limiting resistor R1 is electrically connected to the driving end of the light source module (30).

5. The solar energy network street light control circuit according to claim 1 is characterized in that: It also comprises an indication module (50), wherein the indication module (50) is electrically connected to the main control module to display the charging status and the battery power status.

6. The solar energy network street light control circuit according to claim 1, characterized in that: The main control module is a main control chip U1.

7. The solar energy network street light control circuit according to claim 1, characterized in that: The sensing networking module includes a radar sensor and a networking chip which are electrically connected to the main control module respectively.

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