CN110996473A - Dimming system based on motion sensor monitoring mode - Google Patents
Dimming system based on motion sensor monitoring mode Download PDFInfo
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- CN110996473A CN110996473A CN201911191946.XA CN201911191946A CN110996473A CN 110996473 A CN110996473 A CN 110996473A CN 201911191946 A CN201911191946 A CN 201911191946A CN 110996473 A CN110996473 A CN 110996473A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/20—Movements or behaviour, e.g. gesture recognition
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Abstract
The invention discloses a dimming system based on a motion sensor monitoring mode, which relates to the technical field of street lamp dimming and comprises a dimming module arranged on a lamp: the light adjusting device is used for receiving a light adjusting instruction and executing a light adjusting action; an infrared sensor: for monitoring a moving object; a motion track sensor: the system is used for acquiring track information of a moving object; the main control device: the system is used for receiving data collected by the sensor and issuing instructions; a communication module: the system is used for realizing linkage and interaction among the lamps; a concentrator device: the data uploading and receiving device is used for uploading and receiving data; cloud platform: and carrying out algorithm analysis on the uploaded data and issuing an execution command. The intelligent dimming system can accurately control the on-off time of light, can monitor the pedestrian track and control dimming brightness at a distance from a lamp post, can automatically match the brightness of surrounding lamps according to the motion track, can enable the light to follow people, and can enable the dimming value to be suitable for the brightness of human eyes, thereby achieving intelligent dimming in a real sense.
Description
Technical Field
The invention relates to the technical field of street lamp dimming, in particular to a dimming system based on a motion sensor monitoring mode.
Background
In the current landscape lighting or pedestrian road lighting application scene, in order to respond to the call of smart cities, energy conservation and emission reduction, many companies design and adopt wireless or wired dimmable single lamp control systems, so that the system is very convenient to use, but has a great defect: only a single split-zone or time-phased dimming can lead to a problem: when the pedestrian volume is suddenly increased at a certain time point, the strategy dimming value set by the dimming control system cannot reach the brightness matched with the pedestrian volume; on the contrary, if no pedestrian passes through a certain time period, the strategy dimming value set by the dimming control system far exceeds the brightness matched with the pedestrian flow, so that unnecessary energy waste is caused, and intelligent dimming in a true sense cannot be realized.
Disclosure of Invention
The invention aims to provide a dimming system based on a motion sensor monitoring mode.
The technical scheme of the invention is as follows: a dimming system based on a motion sensor monitoring mode comprises a dimming module installed on a lamp: the light adjusting device is used for receiving a light adjusting instruction and executing a light adjusting action;
an infrared sensor: for monitoring a moving object;
a motion track sensor: the system is used for acquiring track information of a moving object;
the main control device: the system is used for receiving data collected by the sensor and issuing instructions;
a communication module: the system is used for realizing linkage and interaction among the lamps;
a concentrator device: the data uploading and receiving device is used for uploading and receiving data;
cloud platform: the concentrator device is used for receiving the data uploaded by the concentrator device, performing algorithm analysis on the uploaded data and issuing an execution command.
In the dimming system based on the motion sensor monitoring mode, the communication module is a Zigbee module.
In the foregoing dimming system based on the motion sensor monitoring mode, the main control device is an MCU.
A dimming method based on a motion sensor monitoring mode comprises the following steps:
s1, the motion track sensor measures the speed and direction trend of the object according to the time interval, the infrared sensor triggers and wakes up the main control device to measure the distance between the object and the current lamp pole;
s2, transmitting data detected by the motion trail sensing and infrared sensor to a cloud platform through a communication module;
s3, the cloud platform calculates the data detected by the sensor and then issues a corresponding dimming execution command to the corresponding lamp to realize linkage dimming, wherein the dimming command comprises the rate of lighting and the dimming degree;
s4, the dimming module receives the command and starts executing.
In the dimming method based on the motion sensor monitoring mode, in step S3, the data received by the cloud platform from the sensor includes a speed of a moving object, and dynamic weather data and distance data of the lamp are also embedded in the cloud platform.
In the dimming method based on the motion sensor monitoring mode, the calculation algorithm of the cloud platform in step S3 includes: y ═ x (a/b), where the rate of light-up is Y; the object movement rate is x; the visible range of human eyes is a; lamp pole spacing b.
In the dimming method based on the motion sensor monitoring mode, the calculation algorithm of the cloud platform in step S3 includes: the method comprises the following steps that (1) L is 100-c | k-n |, the brightness of each lamp is L, and the serial number of the lamp to which a current object moves is n; the serial number of each lamp is k, and the dimming coefficient is c.
The invention has the advantages that: the intelligent dimming system can accurately control the on-off time of light, can monitor the pedestrian track and control dimming brightness at a distance from a lamp post, can automatically match the brightness of surrounding lamps according to the motion track, can enable the light to follow people, and can enable the dimming value to be suitable for the brightness of human eyes, thereby achieving intelligent dimming in a real sense.
Drawings
FIG. 1 is a schematic view of the overall system of the present invention;
fig. 2 is a first reference diagram for analyzing the special road condition instruction in the embodiment of the present invention;
fig. 3 is a reference diagram for analyzing the special traffic information command in the embodiment of the present invention.
Detailed Description
The invention is further illustrated by the following figures and examples, which are not to be construed as limiting the invention.
Example (b): a dimming system based on a motion sensor monitoring mode, as shown in fig. 1, includes a dimming module installed on a lamp: the light adjusting device is used for receiving a light adjusting instruction and executing a light adjusting action;
an infrared sensor: for monitoring a moving object;
a motion track sensor: the system is used for acquiring track information of a moving object; and measuring the moving speed and the direction trend of the object according to the time interval.
The main control device: the system is used for receiving data collected by the sensor and issuing instructions; the present embodiment employs an MCU. The infrared sensor can be used for triggering and awakening the main control device, and a logic gate circuit is connected between the infrared sensor and the main control device.
A communication module: the system is used for realizing linkage and interaction among the lamps; in this embodiment, a zigbee module is adopted, and a zigbee technology is adopted to perform linkage and interaction between the lamps, so that on one hand, a fast ad hoc network of multiple lamps can be realized, and on the other hand, broadcast, multicast and on-demand transmission of instruction data is flexible, and the communication rate is low in delay and the effect is good.
A concentrator device: the data uploading and receiving device is used for uploading and receiving data;
as can be seen from the figure, the dimming module, the infrared sensor, the motion trajectory sensor, the main control device, the concentrator device and the communication module are all integrally installed on a Zigbee host. That is, there is at least one Zigbee host on each luminaire.
The Zigbee host is also provided with a camera for acquiring an environmental image, and the camera uploads the acquired image at regular time;
cloud platform: the concentrator device is used for receiving the data uploaded by the concentrator device, performing algorithm analysis on the uploaded data and issuing an execution command.
The specific dimming method comprises the following steps: s1, the motion track sensor measures the speed and direction trend of the object according to the time interval, the infrared sensor triggers and wakes up the main control device to measure the distance between the object and the current lamp pole;
s2, transmitting data detected by the motion trail sensing and infrared sensor to a cloud platform through a communication module;
and S3, the cloud platform is further internally provided with distance data of lamps according to data detected by the sensors, including the speed of a moving object, wherein the distance of the lamps is storage data which can be directly input after the lamps are installed.
In addition, the cloud platform receives image data collected by the camera regularly, extracts the farthest visible end points according to the definition of the image (the visible end points can take a plurality of values because the opposite direction of the camera when the camera is installed should extend towards the road, and according to the characteristics of the near distance and the far distance, the span range of the collected image should be the two side road routes including the road, and two points of the two side road routes and one point on the center line should be taken when the farthest visible end point is taken), and calculates the positions of the visible end points from the camera (the average value of the distances of all the end points) by the image ranging technology, thereby calculating the approximate human eye visible range.
After calculation, the main algorithms executed include two, one is that the lighting rate is calculated as: y ═ x (a/b), where the rate of light-up is Y; the object movement rate is x; the visible range of human eyes is a; lamp pole spacing b. The algorithm mainly realizes that the lamp is on when people come, and the lamp is off when people go. However, this step is not enough, and in order to adapt to the habit of human vision and to thoroughly implement the concept of energy saving, the brightness of each lamp needs to be dynamically adjusted according to the moving position of the object. The algorithm according to is: the method comprises the following steps that (1) L is 100-c | k-n |, the brightness of each lamp is L, and the serial number of the lamp to which a current object moves is n; the serial number of each lamp is k, and the dimming coefficient is c. It should be understood that: when an object moves to a certain lamp n, the brightness of the lamps on the front side and the rear side of the object is gradually reduced by taking the lamp n as a midpoint.
For the adjustment of special road conditions, if an object moves to a fork (including an intersection and a T-shaped intersection), referring to fig. 2 and 3, the cloud platform turns on a light correspondingly by an algorithm to a first host (e.g., B001, C001, D001) in B, C, D addresses adjacent to the host at address a, and when an infrared sensor of one of the hosts at B, C, D and a motion track sensor detect a motion track of the object, the corresponding host immediately reports the detected motion speed of the object to the cloud platform, and sends a dimming command after the platform analyzes and calculates the motion speed.
Finally, the corresponding executing dimming command is issued to the corresponding lamp to realize linkage dimming, and the dimming command comprises the lighting rate and the dimming degree;
s4, the dimming module receives the command and starts executing.
Claims (7)
1. The utility model provides a dimming system based on motion sensor monitoring mode which characterized in that: including installing dimming module on lamps and lanterns: the light adjusting device is used for receiving a light adjusting instruction and executing a light adjusting action;
an infrared sensor: for monitoring a moving object;
a motion track sensor: the system is used for acquiring track information of a moving object;
the main control device: the system is used for receiving data collected by the sensor and issuing instructions;
a communication module: the system is used for realizing linkage and interaction among the lamps;
a concentrator device: the data uploading and receiving device is used for uploading and receiving data;
cloud platform: the concentrator device is used for receiving the data uploaded by the concentrator device, performing algorithm analysis on the uploaded data and issuing an execution command.
2. A dimming system based on a motion sensor monitoring mode as claimed in claim 1, wherein: the communication module is a Zigbee module.
3. A dimming system based on a motion sensor monitoring mode as claimed in claim 1, wherein: the master control device is an MCU.
4. A dimming method based on a motion sensor monitoring mode as claimed in claim 1, wherein: the method comprises the following steps:
s1, the motion track sensor measures the speed and direction trend of the object according to the time interval, the infrared sensor triggers and wakes up the main control device to measure the distance between the object and the current lamp pole;
s2, transmitting data detected by the motion trail sensing and infrared sensor to a cloud platform through a communication module;
s3, the cloud platform calculates the data detected by the sensor and then issues a corresponding dimming execution command to the corresponding lamp to realize linkage dimming, wherein the dimming command comprises the rate of lighting and the dimming degree;
s4, the dimming module receives the command and starts executing.
5. A dimming method based on a motion sensor monitoring mode as claimed in claim 4, wherein: in step S3, the data of the sensor received by the cloud platform includes a speed of a moving object, and dynamic weather data and distance data of the lamp are also embedded in the cloud platform.
6. A dimming method based on a motion sensor monitoring mode as claimed in claim 5, wherein: the computing algorithm of the cloud platform in step S3 includes: y ═ x (a/b), where the rate of light-up is Y; the object movement rate is x; the visible range of human eyes is a; lamp pole spacing b.
7. A dimming method based on a motion sensor monitoring mode as claimed in claim 5, wherein: the computing algorithm of the cloud platform in step S3 includes: the method comprises the following steps that (1) L is 100-c | k-n |, the brightness of each lamp is L, and the serial number of the lamp to which a current object moves is n; the serial number of each lamp is k, and the dimming coefficient is c.
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Application publication date: 20200410 |