CN208079470U - A kind of single-lamp controller and its system based on narrowband Internet of Things - Google Patents

Abstract

The utility model relates to the technical field of Internet of Things communication, in particular to a single lamp controller based on narrowband Internet of Things and its system, which is used to solve the problem that road lighting equipment in the prior art cannot meet the requirements of low power consumption and high sensitivity. The problem of road lighting requirements. The device includes: a control module, a narrowband Internet of Things communication module, and an environmental information detection module; the environmental information detection module detects the environmental information of the street lamp controlled by the single lamp controller; the narrowband Internet of Things communication module passes the narrowband The Internet of Things communicates with the control server, sends the environment information to the control server, and receives the control instruction sent by the control server; the control module controls the operation of the street lamp according to the control instruction. The technical solution provided by the utility model realizes lighting control through the narrow-band Internet of Things, avoiding the problem that the existing road lighting equipment cannot meet the road lighting requirements under the premise of low power consumption and high sensitivity.

Description

A single lamp controller and its system based on narrowband internet of things

technical field

The utility model relates to the technical field of Internet of Things communication, in particular to a single lamp controller and a system thereof based on the narrowband Internet of Things.

Background technique

Existing road lighting equipment can often be controlled remotely. Take the street lamps on both sides of the road as an example. The remote-controlled street lamps often use power line carrier control, wireless communication Zigbee control or packet wireless service (General Packet Radio Service, GPRS) The control method is for remote control, and the above control methods can realize remote control of multiple street lamps through the server. However, the above-mentioned control methods have some disadvantages. Among them, the power line carrier control method is susceptible to power line noise interference, the Zigbee control method has low transmission efficiency in large-scale networking, and the GPRS control method has high power consumption.

In addition, when performing remote control, it is often impossible to know the actual environmental information of the location of the street lamp, such as: the flow of people or traffic, the actual brightness of the street lamp, etc. As a result, the street lamps controlled by remote control often appear to be always on in unmanned road sections, resulting in waste of resources; or insufficient illumination in crowded places, resulting in potential safety hazards. Therefore, the existing road lighting equipment cannot meet the road lighting requirements under the premise of low power consumption and high sensitivity.

Utility model content

The embodiment of the utility model provides a single-lamp controller and its system based on narrow-band Internet of Things, which are used to solve the problem that the existing road lighting equipment cannot meet the road lighting requirements under the premise of low power consumption and high sensitivity.

The utility model embodiment adopts following technical scheme:

A single lamp controller based on narrowband Internet of Things, including: a control module, a narrowband Internet of Things communication module, and an environmental information detection module; the environmental information detection module detects the environmental information of the street lamp controlled by the single lamp controller The NB-IoT communication module communicates with the control server through the NB-IoT, sends the environmental information to the control server, and receives a control instruction sent by the control server; the control module controls the street lamp according to the control instruction work.

Preferably, the environment information detection module includes: an illumination sensor; the environment information detection module obtains the illumination intensity information of the environment where the street lamp is located based on the illumination sensor.

Preferably, the environment information detecting module includes: a passing flow sensor; the environment information detecting module acquires passing flow information of the environment where the street lamp is located based on the passing flow sensor.

Preferably, the single lamp controller further includes a microprocessor module, which judges whether the rate of change of the environmental information is greater than a preset value, and determines whether to send the environmental information through the narrowband Internet of Things communication module.

Preferably, the above-mentioned single-lamp controller further includes a power supply module, which converts external electrical signals into driving electrical signals.

Preferably, the control module further includes: a relay module, configured to control the street lamp to be turned on or off; the relay module receives the first driving electrical signal through the power module, and controls the street lamp to be turned on according to the control instruction or off.

Preferably, the control module further includes: a dimming module, configured to control the brightness value of the street lamp; the dimming module receives a second driving electrical signal through the power module, and controls the street lamp according to the control instruction Brightness value.

Preferably, the power module converts the external AC signal into a DC signal to provide the microprocessor with working electrical signals.

Preferably, the above-mentioned single-lamp controller further includes: a power detection device; the power detection device is used to detect the working current and/or working voltage of the single-lamp controller; the microprocessor is also used to judge the Whether the working current and/or working voltage is within the preset range; when the working current and/or working voltage exceeds the preset range, the microprocessor is also used to send reminder message.

A single lamp control system based on NB-IoT, the system includes a control server, a street lamp, and any one of the above-mentioned single-lamp controllers; the control server communicates with the single-lamp controller through NB-IoT, according to the The environment in which the street lamp is located controls the work of the street lamp through a single lamp controller.

The at least one technical solution adopted in the embodiment of the utility model can achieve the following beneficial effects:

Through the above technical solutions, the utility model can control the lighting according to the actual environmental conditions through the narrow-band Internet of Things, and use the network advantages of the narrow-band Internet of Things to control the work of street lamps according to the actual environmental conditions under the premise of low power consumption and high sensitivity. Satisfy road lighting requirements on roads with high traffic, reduce power consumption on roads with low traffic, improve resource utilization, and achieve energy conservation and environmental protection. By judging the change of environmental information, the quality of information transmission is optimized, and the transmission of useless information is avoided. In addition, the utility model can also adjust the brightness according to the actual lighting brightness, increase the brightness on the road section with large traffic, and reduce the brightness on the road section with small traffic, so as to further improve the utilization rate of resources.

Description of drawings

The accompanying drawings described here are used to provide a further understanding of the utility model and constitute a part of the utility model. The schematic embodiments of the utility model and their descriptions are used to explain the utility model and do not constitute an improper limitation of the utility model . In the attached picture:

Figure 1 is a schematic structural diagram of a single lamp controller based on narrowband Internet;

Fig. 2 is a kind of better structure schematic diagram of single lamp controller based on narrowband Internet;

Fig. 3 is a schematic structural diagram of a single lamp control system based on narrowband Internet.

Detailed ways

In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be clearly and completely described below in conjunction with specific embodiments of the utility model and corresponding drawings. Apparently, the described embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

The utility model provides a single-lamp control device based on the narrow-band Internet of Things, which can be widely used in outdoor lighting lamps such as streets and tunnels, and can also be applied to decorative lamps such as light box advertisements and colored lamps. Narrow Band Internet of Things (NB-IoT) has the advantages of strong anti-interference ability, strong penetrating power, and simple networking. The single-lamp control device communicates with the control server through the narrow-band Internet of Things, and can remotely control the work of street lamps. The technical solutions provided by the various embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

Example 1

This embodiment provides a single-lamp controller 10 based on NB-IoT. Its structural diagram is shown in FIG.

Among them, the environmental information detection module 13 can detect the environmental information of the street lamp controlled by the single lamp controller 10; the NB-IoT communication module 12 can communicate with the control server through the NB-IoT, send the environmental information to the control server, and receive The control command sent by the control server; the control module 11 can control the work of the street lamp according to the control command.

Wherein, the environment information detection module can be set on the ground close to pedestrians and vehicles, specifically, it can be a camera to detect the actual environment information around the street lamp. Through the above technical solutions, the utility model can control the lighting according to the actual environmental conditions through the narrow-band Internet of Things, and use the network advantages of the narrow-band Internet of Things to control the work of street lamps according to the actual environmental conditions under the premise of low power consumption and high sensitivity.

Based on the above-mentioned structure, this embodiment also provides a better single lamp controller based on narrow-band Internet of Things, its structural schematic diagram is shown in Figure 2, wherein the environmental information detection module 23 includes an illumination sensor 231, under this structure, The environment information detection module 23 can obtain the light brightness information of the environment where the street lamp is located based on the illuminance sensor 231, and the illuminance sensor 231 can detect the actual light brightness information of the environment where the street lamp is located, so that the control server can control the work of the street lamp according to the actual situation of the environment where the street lamp is located. .

In a specific implementation process, the illuminance sensor 231 can upload the detected illuminance information to the microprocessor module 24 through the RS485 bus, so that the microprocessor module 24 can judge whether the rate of change of the illuminance information is greater than a preset value, for example, the illuminance sensor 231 The illuminance information on the ground is detected once per minute and uploaded to the microprocessor module 24. The microprocessor module 24 processes the acquired illuminance information to know that within the last 10 minutes, due to weather and other reasons, the lighting on the ground near the street lamp When the luminance drop reaches the preset value, the microprocessor module 24 sends the illuminance information in the last 10 minutes to the control server through the narrowband Internet of Things communication module 22, so that the control server controls the street lamp to increase the illuminance according to the illuminance information, thereby ensuring that the ground The illuminance value at the place reaches the safety standard, avoiding the potential safety hazard caused by the actual low light on the ground due to weather and other reasons. Moreover, by judging the change of environmental information, the quality of information transmission can be optimized, and the transmission of useless information can be avoided.

In addition, the environment information detecting module 23 includes a passing flow sensor 232 , under this structure, the environment information detecting module 23 acquires passing flow information of the environment where the street lamp is located based on the passing flow sensor 232 . The passing flow sensor 232 can detect the actual light brightness information of the environment where the street lamp is located, so that the control server can control the work of the street lamp according to the actual situation of the environment where the street lamp is located.

Similar to the communication mode of the illuminance sensor 231 , the passing flow data detected by the passing flow sensor can also be uploaded to the microprocessing module 24 via RS485, so that the microprocessor module 24 can process the detected information. For example, the flow sensor 232 detects the passing flow information near the street lamp once per minute, and uploads the detected passing flow information to the microprocessor module 24, and the microprocessor module 24 processes the obtained passing flow information, In the last 10 minutes, if the increase value of the passing flow near the street lamp reaches a preset value, the microprocessor module 24 will send the passing flow information in the last 10 minutes to the control server through the narrowband Internet of Things communication module 22, so as to control The server controls the street lamp to increase the illuminance according to the traffic flow information, so as to ensure the illuminance when the flow of people increases, and avoid potential safety hazards. The above-mentioned single-light controller can meet the road lighting requirements on road sections with large traffic, reduce power consumption on road sections with low traffic, improve resource utilization, and realize energy saving and environmental protection. Moreover, by judging the change of environmental information, the quality of information transmission can be optimized, and the transmission of useless information can be avoided.

The above-mentioned microprocessor module 24 is also responsible for processing the street lamp control protocol of the control server through the NB-IoT communication module 22 . In actual application, the microprocessor module 24 can include 2 UART interfaces, 1 12bitDAC interface and 1 GPIO interface, wherein the UART0 interface is connected with the narrowband Internet of Things communication module 22, and the microprocessor module 24 issues the narrowband communication through UART0. The control command received by the Internet of Things, and the data is sent through the narrowband Internet of Things. The UART1 interface can be connected with the 485 chip to form an external RS485 interface, and the microprocessor module 24 can also control the relay module 211 through the GPIO, thereby controlling the on or off of the street lamp. In addition, when the microprocessor module 24 performs dimming through the dimming module 212, it specifically controls the 12bitDAC to analogly output the first dimming signal, which is a low-level dimming signal, and then the first dimming signal is amplified by the PA To 0-10V and output to street lamps, so as to realize the brightness adjustment, wherein, the brightness adjustment can be set to 10 levels, and the voltage difference between adjacent levels of brightness is 1V.

In practical applications, the above-mentioned NB-IoT communication module 22 can be connected to the microprocessor module 24 through an asynchronous transceiver (UART) (UART), and the asynchronous transceiver can handle the communication between the microprocessor module 24 and the NB-IoT. The communication instructions sent by the module 22 include registration, activation, query status, sending data, and destruction. After receiving the control instruction sent by the control server, the NB-IoT communication module 22 sends the control instruction to the microprocessor module 24 .

The above-mentioned single-lamp controller also includes a power supply module 25, which converts external electrical signals into driving electrical signals. Specifically, the power module 25 can convert a 220V, 50Hz AC input signal into a DC input signal, and supply power to the microprocessor module 24; it can also provide a 220V, 50Hz AC input signal to the relay module 211.

As shown in FIG. 2 , the control module 21 also includes: a relay module 211 for controlling the street lamp to be turned on or off; the relay module 211 receives the first driving electric signal through the power module 25 and controls the street lamp to be turned on or off according to the control command. In a specific implementation process, the relay module 211 receives a driving electrical signal through the power module 25, and adjusts the driving signal through the GPIO and outputs it to the street lamp, thereby controlling the street lamp to be turned on or off.

The above-mentioned control module 21 also includes: a dimming module 212 for controlling the brightness value of the street lamp; the dimming module 212 receives the second driving electric signal through the power module 25, and controls the brightness value of the street lamp according to the control instruction. The specific dimming method and dimming level have been described in detail above, and will not be repeated here.

In addition, the single lamp controller in this embodiment also includes a power detection module 26, the power detection module 26 is used to detect the operating current and/or operating voltage of the single lamp controller; the microprocessor is also used to determine the operating current And/or whether the working voltage is within the preset range; when the working current and/or working voltage exceeds the preset range, the microprocessor is also used to send a reminder message to the control server through the NB-IoT communication module 22 . In a specific implementation process, the power detection device specifically includes a current sampling module and a voltage sampling module, and the power of the whole machine is obtained by multiplying the sampled input voltage by the sampled input current. For the alarm of the power of the whole machine, an alarm threshold is also set in the microprocessor module 24. When the voltage, current or power value exceeds the alarm threshold, the microprocessor module 24 sends a reminder message to the control server through the narrowband Internet of Things communication module 22 , so that the control server can know the abnormal situation of the single lamp controller in time.

In addition, the single lamp control device in this embodiment can also expand the external temperature sensor and humidity sensor through RS485, and use the density of street lamps in the city to collect the temperature value and humidity value in the city, and the collected information is processed by the microprocessor. processed, and sent to the control server through the NB-IoT communication module, this information can be used for big data processing.

Example 2

Based on the above-mentioned embodiments, this embodiment provides a single lamp control system based on NB-IoT, the system includes a control server 31, a street lamp 33, and any one of the single lamp controllers 32 described in Embodiment 1; the control server 31 Communicate with the single lamp controller 32 through the narrowband Internet of Things, and control the operation of the street lamp 33 through the single lamp controller 32 according to the environment in which the street lamp 33 is located.

Based on the above-mentioned system, the following control rules can be set in the control server 31:

Rule 1: Control street lights according to the illuminance value.

The illuminance threshold is preset in the control server 31. For example, the preset illuminance is greater than a and less than b. When the control server 31 receives the illuminance information sent by the single lamp controller 32 and is less than a, it calculates the difference between the received illuminance information and a. It is determined that the street lamp controlled by the single lamp controller 32 needs to be turned on or the brightness level is increased, and the instruction of turning on the street lamp or increasing the brightness level is sent to the single lamp controller 32 through the narrowband Internet of Things, so as to realize Control of street lights 33.

Rule 2: Control street lights according to time.

The time of turning on and turning off the lights is preset in the control server 31, for example, the street lights 33 are turned on at 18:00, and the street lights 33 are turned off at 6:00. According to the preset time point, the street lamp 33 is controlled to be turned on by the single lamp controller 32 at 18:00 every day, and the street lamp 33 is controlled to be turned off by the single lamp controller 32 at 6:00 every day. In addition, special switch light settings can also be made on special festivals or special times.

A better solution, the control server 31 can also calculate the sunrise and sunset times of the location of the street lamp 33 according to the date of the day, and control the street lamp 33 to turn off through the single lamp controller 32 at the sunrise time point obtained by the calculation, and turn off the street lamp 33 at sunset. The time point is controlled by the single lamp controller 32 to turn on the street lamp 33 .

In another better solution, the control server 31 can also perform dimming settings according to people's travel rules and work and rest time, for example, use a higher brightness level for lighting before 0 o'clock to ensure that the street brightness at night meets the standard, and after 0 o'clock Use a higher brightness level for lighting to ensure that the waste of resources is reduced during the time period when the flow of people is small, and energy saving and environmental protection are achieved.

Rule 3: Control street lights according to passing traffic.

The control server 31 presets the passing flow preset value, and when the passing flow near the controlled street lamp 33 reaches the preset passing flow value, the control server 31 increases the brightness level of the street lamp 33 through the single lamp controller 32, thereby ensuring that there is The illuminance of streets with large traffic reaches the standard to avoid potential safety hazards.

Another preferred solution, when the control server 31 receives the passing flow near the street lamp 33 reaches the preset passing flow value, control the nearby street lamps within a certain range to turn on or increase the brightness level, so as to ensure the ambient brightness near the street lamp 33 Up to the standard, thereby ensuring that the flow of people or traffic near the street lamp 33 has a better view in the surrounding environment. When there are no pedestrians or vehicles passing around the street lamp 33 for a period of time, the control server 31 can control the street lamps around the street lamp 33 to reduce the brightness level or turn off, thereby realizing energy saving and environmental protection in road sections with less pedestrian or traffic flow.

Through the above technical solutions, the utility model can control the lighting according to the actual environmental conditions through the narrow-band Internet of Things, and use the network advantages of the narrow-band Internet of Things to control the work of street lamps according to the actual environmental conditions under the premise of low power consumption and high sensitivity. Satisfy road lighting requirements on roads with high traffic, reduce power consumption on roads with low traffic, improve resource utilization, and achieve energy conservation and environmental protection. By judging the change of environmental information, the quality of information transmission is optimized, and the transmission of useless information is avoided. In addition, the utility model can also adjust the brightness according to the actual lighting brightness, increase the brightness on the road section with large traffic, and reduce the brightness on the road section with small traffic, so as to further improve the utilization rate of resources.

The above are only examples of the present utility model, and are not intended to limit the present utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included in the scope of claims of the present utility model.

Claims (10)

1. a kind of single-lamp controller based on narrowband Internet of Things, which is characterized in that including：Control module, protenchyma combined network communication Module, environmental information detecting module；

The environmental information detecting module detects the street lamp local environment information that the single-lamp controller is controlled；

The protenchyma combined network communication module is communicated by narrowband Internet of Things and control server, by the environmental information It is sent to the control server, and receives the control instruction that the control server is sent；

The control module controls the work of the street lamp according to the control instruction.

2. single-lamp controller as described in claim 1, which is characterized in that the environmental information detecting module includes：Illuminance Sensor；

The environmental information detecting module obtains the illumination brightness of the environment residing for the street lamp based on the illuminance sensor Information.

3. single-lamp controller as claimed in claim 1 or 2, which is characterized in that the environmental information detecting module includes：Pass through Flow sensor；

The environmental information detecting module is believed based on the environment obtained by flow sensor residing for the street lamp by flow Breath.

4. single-lamp controller as described in claim 1, which is characterized in that the single-lamp controller further includes microprocessor mould Block, judges whether the environmental information change rate is more than preset value, to determine whether through the protenchyma combined network communication module Send the environmental information.

5. single-lamp controller as described in claim 1, which is characterized in that further include power module, external electric signal is converted To drive electric signal.

6. single-lamp controller as claimed in claim 5, which is characterized in that the control module further includes：Relay module, institute Relay module is stated by power module access the first driving electric signal, and is judged whether institute according to the control instruction The first driving electric signal access street lamp is stated, control street lamp is turned on and off.

7. such as single-lamp controller described in claim 5 or 6, which is characterized in that the control module further includes：Light-adjusting module, It is bright to control the street lamp by power module access the second driving electric signal according to the control instruction for the light-adjusting module Angle value；The second driving electric signal is for driving the light-adjusting module to work.

8. single-lamp controller as claimed in claim 5, which is characterized in that the power module turns external ac signal It is changed to DC signal, work electric signal is provided for microprocessor.

9. single-lamp controller as described in claim 1, which is characterized in that further include：

Power detection module detects the operating current and/or operating voltage of the single-lamp controller；

Microprocessor module judges the operating current and/or operating voltage whether in pre-set interval, and when work electricity When stream and/or operating voltage exceed pre-set interval, sent to the control server by the protenchyma combined network communication module Prompting message.

10. a kind of single lamp control system based on narrowband Internet of Things, which includes control server, street lamp and claim Single-lamp controller described in 1-9 any one；

The control server is communicated by narrowband Internet of Things and the single-lamp controller, and the environment residing for the street lamp is logical It crosses single-lamp controller and controls the street lamp work.