CN214101874U - Single lamp controller and lighting system - Google Patents
Single lamp controller and lighting system Download PDFInfo
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- CN214101874U CN214101874U CN202023099727.XU CN202023099727U CN214101874U CN 214101874 U CN214101874 U CN 214101874U CN 202023099727 U CN202023099727 U CN 202023099727U CN 214101874 U CN214101874 U CN 214101874U
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Abstract
The utility model relates to a lamps and lanterns control technical field discloses a single lamp controller and lighting system to realize remote regulation and control and improve regulation and control efficiency. The utility model discloses single lamp controller includes: the relay module is arranged between the 220V mains supply input and the controlled lamp power supply module; the relay module is connected with the single chip microcomputer; the single chip microcomputer is connected with a 485 communication module which is used for communicating with a host based on a 485 bus; the first power supply conversion module is used for converting 220V commercial power input into 12V; a second power conversion module cascaded with the first power conversion module to convert 12V to 3.3V; the power supply end of the second power supply conversion module is respectively connected with the singlechip and the power supply pin of the 485 communication module; and the power supply end of the first power supply conversion module is also connected with a power supply pin of the control chip in the relay module.
Description
Technical Field
The utility model relates to a lamps and lanterns control technical field especially relates to a single lamp controller and lighting system.
Background
With the rapid development of the expressway and the acceleration of the urban construction in China, the tunnel illumination and the urban road illumination are rapidly increased, the number of required illumination lamps is rapidly increased, and the illumination lamps become the most main energy consumption source in the traffic field and the urban public service. The existing traditional tunnel lighting and town road lighting control systems all set and install lamps in a loop control mode. The sub-loop control mode does not adjust the light of each lamp, and only controls the on-off of a certain loop power supply of each group; the control mode needs to lay dimming control cables, lay more independent lighting circuits and power supply cables, has high construction difficulty, and particularly in tunnel lighting, because the circuits are switched on and off, the brightness of the tunnel is difficult to control smoothly to meet the requirement of safe driving of the tunnel, and large electric energy waste is formed; in addition, there is no way to detect and diagnose lamp faults in time, and even a faulty lamp cannot be located, and lamp faults and lamp positions can be determined only by manual patrol, tunnel lighting maintenance is inconvenient, driving safety is easily affected when lamps are damaged more, and when a dimming signal input end of a certain lamp is short-circuited, all lamps on a group of dimming cables are abnormal, namely dimming cannot be performed, so that a dimming function is lost, driving safety of a tunnel and safety of people and vehicles on a road are seriously affected, or huge electric energy waste is caused.
The tunnel environment is relatively severe, lamps are relatively dense in number, a plurality of special tunnels are arranged, the contradiction between the long distance and dimming signal attenuation existing in the existing LED lamp dimming mode is increasingly prominent, the lamp fault automatic detection and positioning functions are not available, the LED lamp dimming mode is not suitable for tunnel illumination, and the requirements of intelligent illumination of town roads and internal areas of enterprises are difficult to meet along with the development of town roads.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to disclose a single lamp controller and lighting system to realize remote regulation and control and improve regulation and control efficiency.
To achieve the above object, the utility model discloses a single lamp controller, include:
the relay module is arranged between the 220V mains supply input and the controlled lamp power supply module;
the relay module is connected with the single chip microcomputer;
the single chip microcomputer is connected with a 485 communication module which is used for communicating with a host based on a 485 bus;
the first power supply conversion module is used for converting 220V commercial power input into 12V;
a second power conversion module cascaded with the first power conversion module to convert 12V to 3.3V;
the power supply end of the second power supply conversion module is respectively connected with the singlechip and the power supply pin of the 485 communication module;
and the power supply end of the first power supply conversion module is also connected with a power supply pin of the control chip in the relay module.
Preferably, a DA (Digital to Analog) dimming module is arranged between the single chip microcomputer and the controlled lamp power supply module, and a power supply pin of the DA dimming module is connected with a power supply end of the second power supply conversion module.
Preferably, a current collection module connected with the relay module in series is further arranged between the 220V mains supply input and the controlled lamp power supply module, and the current collection module is connected with the single chip microcomputer.
To achieve the above object, the present invention also discloses a lighting system, including: the single lamp controller as described above; each single lamp controller is respectively connected with 1 path or 1 controlled lamp; and the host is connected with each single lamp controller through a 485 bus.
The utility model discloses following beneficial effect has:
the single lamp controller and the lighting system based on 485 communication are very suitable for road tunnel lighting, and RS-485 is a data transmission technology based on a serial port communication technology and has the characteristics of long transmission distance, high transmission rate, multiple nodes, high anti-interference capability and the like. The utility model has simple structure and low cost; the regulation and control efficiency is rapid and reliable.
The present invention will be described in further detail below with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:
fig. 1 is a schematic structural diagram of an illumination system according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a single lamp controller according to an embodiment of the present invention.
[ description of figures ]
1. A first power conversion module; 2. a second power conversion module; 3. 485 communication module; 4. a single chip microcomputer; 5. a DA dimming module; 6. a relay module; 7. a current collection module; 8. and a controlled lamp power supply module.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
Example 1
The present embodiment discloses an illumination system, as shown in fig. 1, including: the single lamp controllers are respectively connected with 1 path or 1 controlled lamp; and the host is connected with each single lamp controller through a 485 bus.
As shown in fig. 2, each single lamp controller includes:
the relay module 6 is arranged between 220V mains supply input and the controlled lamp power module 8; the relay module is connected with the singlechip 4; the singlechip is connected with a 485 communication module 3 which is used for communicating with a host based on a 485 bus; the first power conversion module 1 is used for converting 220V commercial power input into 12V; a second power conversion module 2 cascaded with the first power conversion module to convert 12V to 3.3V; the power supply end of the second power supply conversion module is respectively connected with the singlechip and the power supply pin of the 485 communication module; the power supply end of the first power supply conversion module is also connected with a power supply pin of the control chip in the relay module.
Preferably, a DA dimming module 5 is arranged between the single chip microcomputer and the controlled lamp power module, and a power pin of the DA dimming module is connected with a power supply end of the second power conversion module. Optionally, the DA dimming module may dim by adjusting a duty cycle. Therefore, the single lamp controller only has one path of 220V mains supply input, but has two paths of outputs, wherein one path of output is 220V mains supply which can be controlled by the on-off of the relay module, and the other path of output is a dimming control signal output by the DA dimming module (specifically, 0-10V dimming can be carried out by adjusting the duty ratio).
Preferably, a current collection module 7 connected with the relay module in series is further arranged between the 220V commercial power input and the controlled lamp power module, and the current collection module is connected with the single chip microcomputer. Therefore, the single chip microcomputer can acquire real-time current acquisition information from the current acquisition module and carry out logic judgment on whether the controlled lamp fails or not according to the acquired real-time current information; the single chip microcomputer carries out logic judgment on self faults among other functional modules in the associated single lamp controller; and then the result is returned to the host computer through the 485 communication module. The controlled light fixtures include, but are not limited to, LED light fixtures. Preferably, the singlechip can adopt an STM8S003F3P6 chip.
To sum up, the embodiment of the utility model provides a following beneficial effect has:
the single lamp controller and the lighting system based on 485 communication are very suitable for road tunnel lighting, and RS-485 is a data transmission technology based on a serial port communication technology and has the characteristics of long transmission distance, high transmission rate, multiple nodes, high anti-interference capability and the like. The utility model has simple structure and low cost; the regulation and control efficiency is rapid and reliable.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. A single lamp controller, comprising:
the relay module is arranged between the 220V mains supply input and the controlled lamp power supply module;
the relay module is connected with the single chip microcomputer;
the single chip microcomputer is connected with a 485 communication module which is used for communicating with a host based on a 485 bus;
the first power supply conversion module is used for converting 220V commercial power input into 12V;
a second power conversion module cascaded with the first power conversion module to convert 12V to 3.3V;
the power supply end of the second power supply conversion module is respectively connected with the singlechip and the power supply pin of the 485 communication module;
and the power supply end of the first power supply conversion module is also connected with a power supply pin of the control chip in the relay module.
2. The single lamp controller according to claim 1, wherein a DA dimming module is disposed between the single chip microcomputer and the controlled lamp power module, and a power pin of the DA dimming module is connected to a power supply terminal of the second power conversion module.
3. The single lamp controller according to claim 1 or 2, wherein a current collection module connected in series with the relay module is further arranged between the 220V mains supply input and the controlled lamp power supply module, and the current collection module is connected with the single chip microcomputer.
4. An illumination system, comprising:
a single lamp controller as claimed in any one of claims 1 to 3;
each single lamp controller is respectively connected with 1 path or 1 controlled lamp; and
and the host is connected with each single lamp controller through a 485 bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023099727.XU CN214101874U (en) | 2020-12-21 | 2020-12-21 | Single lamp controller and lighting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023099727.XU CN214101874U (en) | 2020-12-21 | 2020-12-21 | Single lamp controller and lighting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214101874U true CN214101874U (en) | 2021-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023099727.XU Active CN214101874U (en) | 2020-12-21 | 2020-12-21 | Single lamp controller and lighting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214101874U (en) |
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2020
- 2020-12-21 CN CN202023099727.XU patent/CN214101874U/en active Active
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