CN113853050A - Control system of single-phase street lamp - Google Patents
Control system of single-phase street lamp Download PDFInfo
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/105—Controlling the light source in response to determined parameters
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/165—Controlling the light source following a pre-assigned programmed sequence; Logic control [LC]
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/20—Responsive to malfunctions or to light source life; for protection
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Abstract
The invention provides a control system of a single-phase street lamp, which comprises: the system comprises an alternating current transformer, a direct current converter, a control switch, a PLC main control module, a first PLC lamp control module, a second PLC lamp control module, a first isolator and a second isolator; the control switch receives a first switching instruction sent by the PLC main control module, connects the output end of the alternating current transformer with the output end of the control switch, and receives a second switching instruction, and connects the output end of the direct current converter with the output end of the control switch; the PLC master control module sends a control signal, the first PLC lamp control module receives the control signal, whether the identifier of the component to be controlled is a component connected with the first PLC lamp control module is judged, and if yes, operation is carried out according to a control instruction; if not, the control signal is sent to a second PLC lamp control module; and the second PLC lamp control module receives the control signal, judges whether the identifier of the component to be controlled is a component connected with the second PLC lamp control module, and operates according to the control instruction if the identifier of the component to be controlled is the component connected with the second PLC lamp control module.
Description
Technical Field
The invention relates to the technical field of electronics, in particular to a control system of a single-phase street lamp.
Background
The urban street lamp has the function of creating a good viewing environment for pedestrians and drivers of various vehicles, so that the purposes of guaranteeing traffic safety, improving traffic and transportation efficiency, facilitating people's life, reducing crimes and beautifying urban environment are achieved.
However, the conventional street lamp lighting system adopts a special transformer and a special independent line for power supply, and can only be controlled by a sectional integral switch, but cannot be switched on or switched off independently or be dimmed independently; meanwhile, due to safety considerations, the power supply of the traditional street lamp lighting main route is cut off in the daytime, so that the power cannot be supplied to other holding poles in the daytime; in addition, traditional street lamp needs the manual work to patrol and examine, and it is inconvenient to maintain.
Disclosure of Invention
The present invention is directed to solving the above problems.
The invention mainly aims to provide a control system of a single-phase street lamp.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
one aspect of the present invention provides a control system for a single-phase street lamp, including: the system comprises an alternating current transformer, a direct current converter, a control switch, a PLC main control module, a first PLC lamp control module, a second PLC lamp control module, a first isolator and a second isolator; a first output end of the alternating current transformer is connected to a first input end of the control switch, and a second output end of the alternating current transformer is connected to an input end of the direct current converter; the output end of the direct current converter is connected to the second input end of the control switch; the control end of the PLC master control module is connected to the control end of the control switch; the signal end of the PLC master control module is connected to the input end of the first PLC lamp control module; the input end of the first PLC lamp control module is connected to the output end of the control switch; the input end of the second PLC lamp control module is connected to the output end of the control switch; the output end of the first PLC lamp control module is connected to the input end of the second PLC lamp control module; the first isolator is arranged on an L line between the output end of the control switch and the signal end of the PLC main control module; the second isolator is arranged on an L line between the signal end of the PLC main control module and the output end of the first PLC lamp control module; the control switch receives a first switching instruction sent by the PLC main control module, and the output end of the alternating current transformer is connected with the output end of the control switch according to the first switching instruction; the control switch receives a second switching instruction sent by the PLC main control module, and the output end of the direct current converter is connected with the output end of the control switch according to the second switching instruction; the PLC master control module is used for sending a control signal through a signal end of the PLC master control module, wherein the control signal comprises an identification of a component to be controlled and a control instruction; the first PLC lamp control module is used for receiving the control signal, judging whether the identifier of the component to be controlled is a component connected with the first PLC lamp control module, and if so, operating according to the control instruction; if not, the control signal is sent to the input end of the second PLC lamp control module through the output end of the first PLC lamp control module; and the second PLC lamp control module is used for receiving the control signal, judging whether the identifier of the component to be controlled is a component connected with the second PLC lamp control module, and if so, operating according to the control instruction.
The first PLC lamp control module comprises a first control unit, a first light control unit and a first expansion unit, wherein the first control unit is connected with the first light control unit and the first expansion unit; the first control unit is used for judging whether the control signal is a light control signal or a pole holding application signal, and if the control signal is the light control signal, sending the control instruction to the first light control unit; if the signal is applied to the holding pole, the control command is sent to the first expansion unit; the first light control unit is connected with the first streetlamp component and is used for executing light control operation according to the control instruction; the first extension unit is connected with a first pole embracing application component and used for executing corresponding operation according to the control instruction.
Wherein, first PLC lamp accuse module still includes: a second control unit; and the second control unit is used for sending the control signal to the input end of the second PLC lamp control module.
The second PLC lamp control module comprises a third control unit, a second light control unit and a second expansion unit, wherein the third control unit is connected with the second light control unit and the second expansion unit; the third control unit is used for judging that the control signal is a light control signal or a pole holding application signal, and if the control signal is the light control signal, the control instruction is sent to the second light control unit; if the pole holding application signal is received, the control signal is sent to the second expansion unit; the second light control unit is connected with the second street lamp component and is used for executing light control operation according to the control instruction; and the second extension unit is connected with a second holding pole application component and used for executing corresponding operation according to the control command.
Wherein, the system still includes: a third isolator; the third isolator is arranged on an L line between the signal end of the first PLC lamp control module and the output end of the second PLC lamp control module; the second PLC lamp control module further comprises: a fourth control unit; and the fourth control unit is used for sending the control signal to the input end of a subsequent PLC lamp control module.
Wherein the light control operations include, but are not limited to: street lamp on operation, street lamp off operation, street lamp dimming operation, voltage detection, current detection and fault detection.
Wherein, the system still includes: a street lamp management platform; the street lamp management platform is used for sending a management instruction to the PLC main control module; the PLC master control module sends a control signal through a signal end of the PLC master control module in the following mode: the PLC main control module is specifically configured to receive the management instruction, and send a control signal through a signal end of the PLC main control module according to the management instruction.
According to the technical scheme provided by the invention, the control system of the single-phase street lamp provided by the invention solves the problems of independent on-off control and dimming control of the traditional street lamp and realizes flexible energy consumption management; the problem that the traditional street lamp cannot supply power for the pole holding application due to power failure in daytime due to safety concerns (potential safety hazards caused by 220V alternating current power supply) is solved; the problem of safe communication applied to the traditional holding pole of the street lamp is solved; the problem of traditional street lamp need artifical the patrolling and examining is solved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a control system of a single-phase street lamp according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
Embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
Fig. 1 shows a schematic structural diagram of a control system of a single-phase street lamp provided in an embodiment of the present invention, and referring to fig. 1, the control system of a single-phase street lamp provided in an embodiment of the present invention includes:
the system comprises an alternating current transformer, a direct current converter, a control switch, a PLC main control module, a first PLC lamp control module, a second PLC lamp control module, a first isolator and a second isolator;
a first output end of the alternating current transformer is connected to a first input end of the control switch, and a second output end of the alternating current transformer is connected to an input end of the direct current converter;
the output end of the direct current converter is connected to the second input end of the control switch;
the control end of the PLC master control module is connected to the control end of the control switch;
the signal end of the PLC master control module is connected to the input end of the first PLC lamp control module;
the input end of the first PLC lamp control module is connected to the output end of the control switch;
the input end of the second PLC lamp control module is connected to the output end of the control switch;
the output end of the first PLC lamp control module is connected to the input end of the second PLC lamp control module;
the first isolator is arranged on an L line between the output end of the control switch and the signal end of the PLC main control module;
the second isolator is arranged on an L line between the signal end of the PLC main control module and the output end of the first PLC lamp control module;
the control switch receives a first switching instruction sent by the PLC main control module, and the output end of the alternating current transformer is connected with the output end of the control switch according to the first switching instruction;
the control switch receives a second switching instruction sent by the PLC main control module, and the output end of the direct current converter is connected with the output end of the control switch according to the second switching instruction;
the PLC master control module is used for sending a control signal through a signal end of the PLC master control module, wherein the control signal comprises an identifier of a component to be controlled and a control instruction;
the first PLC lamp control module is used for receiving the control signal, judging whether the identifier of the component to be controlled is a component connected with the first PLC lamp control module, and if so, operating according to the control instruction; if not, the control signal is sent to the input end of the second PLC lamp control module through the output end of the first PLC lamp control module;
and the second PLC lamp control module is used for receiving the control signal, judging whether the identifier of the component to be controlled is a component connected with the second PLC lamp control module, and if so, operating according to the control instruction.
Specifically, the street lamp system of the invention adopts a single-phase line for power transmission and control. The device comprises an alternating current/alternating current transformer, an alternating current/direct current converter, a control switch, a PLC master control module and at least two PLC lamp control modules.
Wherein:
the alternating current/alternating current transformer is used for converting a high-voltage alternating current point into single-phase alternating current 220V alternating current to supply a power supply unit for the street lamp system;
an ac/dc converter for converting single-phase ac 220V to low-voltage dc, such as 36V;
the control switch is used for realizing the switching of the street lamp main lines of 220V and 36V;
the PLC master control module is used for controlling a control switch of a route main line, controlling components connected with the PLC lamp control modules, such as the switch and dimming of a street lamp, individually or in batch, checking the state of each PLC lamp control module and providing a safety data channel;
PLC lamp control module: and receiving and executing a control instruction of the PLC master control module, controlling a component connected with the PLC lamp control module, reporting self state information and providing a safety data channel.
As an optional implementation manner of the embodiment of the present invention, the first PLC lamp control module includes a first control unit, a first light control unit, and a first extension unit, and the first control unit is connected to the first light control unit and the first extension unit; the first control unit is used for judging whether the control signal is a light control signal or a pole holding application signal, and if the control signal is the light control signal, sending a control instruction to the first light control unit; if the pole holding application signal is received, sending a control command to the first expansion unit; the first light control unit is connected with the first streetlamp component and used for executing light control operation according to the control instruction; the first extension unit is connected with the first pole embracing application component and used for executing corresponding operation according to the control instruction.
As an optional implementation manner of the embodiment of the present invention, the second PLC lamp control module includes a third control unit, a second light control unit, and a second expansion unit, where the third control unit is connected to the second light control unit and the second expansion unit; the third control unit is used for judging whether the control signal is a light control signal or a pole holding application signal, and if the control signal is the light control signal, sending a control instruction to the second light control unit; if the pole holding application signal is received, the control signal is sent to the second expansion unit; the second light control unit is connected with the second street lamp component and is used for executing light control operation according to the control instruction; the second extension unit is connected with the second pole embracing application component and used for executing corresponding operation according to the control instruction.
As an alternative implementation of the embodiment of the present invention, the light control operation includes, but is not limited to: street lamp on operation, street lamp off operation, street lamp dimming operation, voltage detection, current detection and fault detection. Therefore, on-off control, dimming control, multi-level energy consumption management, energy consumption statistics, fault reporting and the like of the street lamps can be realized independently or in batches.
Specifically, each PLC lamp control module can be connected with a street lamp and can also be connected with a pole holding application, receives and executes a control instruction of the PLC main control module, controls the switching and dimming of the street lamp, reports self state information, controls the power supply of the pole holding application and provides a safety data channel.
As an optional implementation manner of the embodiment of the present invention, the control system of a single-phase street lamp provided in the embodiment of the present invention further includes: a street lamp management platform; the street lamp management platform is used for sending a management instruction to the PLC main control module; the PLC main control module sends a control signal through a signal end of the PLC main control module in the following mode: and the PLC master control module is specifically used for receiving the management instruction and sending a control signal through a signal end of the PLC master control module according to the management instruction.
The street lamp management platform is used for performing on-off control, dimming control, multi-level energy consumption management, energy consumption statistics, fault reporting, power control and energy consumption management applied to the third party holding pole and data communication management applied to the third party holding pole. Specifically, the street lamp management platform can be a remote platform, the switching on and off of the AC220 and the DC36V can be realized on a street lamp main line through the PLC main control module, and meanwhile, the communication is carried out with the PLC lamp control module based on a power line carrier, so that the light turning-on and the light dimming of the street lamp are realized; the main circuit of the street lamp realizes the uninterrupted power supply all day long, and the PLC lamp control module provides power and data communication service for various pole holding applications; therefore, flexible street lamp energy efficiency management and state self-checking can be realized, an uninterruptible power supply and a data channel are provided for pole holding application, and meanwhile, the whole communication system adopts a safety encryption technology. At this time, the PLC main control module is configured to receive and execute a control instruction of the street lamp management platform, control a control switch of the route main line, control switching and dimming of the street lamps individually or in batch, check a state of each PLC lamp control module, report to the street lamp management platform, control power supply applied by the holding pole, and provide a secure data channel.
When the PLC lamp control module works, after the first PLC lamp control module receives a control signal sent by the PLC main control module, whether a part to be controlled in the control signal is identified as a part connected with the first PLC lamp control module can be judged, and if so, operation is carried out according to a control instruction; if not, the control signal is sent to the input end of the second PLC lamp control module through the output end of the first PLC lamp control module, so that the second PLC lamp control module receives the control signal, whether the identifier of the component to be controlled in the control signal is the component connected with the second PLC lamp control module is judged, and if yes, operation is carried out according to the control instruction. At this time, as an optional implementation manner of the embodiment of the present invention, the first PLC lamp control module further includes: a second control unit; and the second control unit is used for sending the control signal to the input end of the second PLC lamp control module.
Specifically, the control signals are transmitted in such a way, the control signals can be sequentially transmitted from the PLC main control module to each PLC lamp control module, and the signals are relayed by each PLC lamp control module, so that the stability of the signals is ensured, and long-distance transmission and control are realized.
The first isolator is used for ensuring that PLC communication between the PLC main control module and the first control unit of the first PLC lamp control module is not interfered by external signals, and external communication is not interfered synchronously. Similarly, the second isolator is used for ensuring that the PLC communication of the third control unit of the second PLC lamp control module is not interfered by external signals and does not interfere the external communication synchronously.
Certainly, in order to ensure stable transmission of signals, if there are other PLC lamp control modules after the second PLC lamp control module, as an optional implementation manner of the embodiment of the present invention, the control system of a single-phase street lamp provided in the embodiment of the present invention further includes: a third isolator; the third isolator is arranged on an L line between the signal end of the first PLC lamp control module and the output end of the second PLC lamp control module; the second PLC lamp control module still includes: a fourth control unit; and the fourth control unit is used for sending the control signal to the input end of the subsequent PLC lamp control module. The third isolator is used for ensuring that the PLC communication of the PLC lamp control module behind the second PLC lamp control module is not interfered by external signals and does not interfere the external communication synchronously.
As an optional implementation manner of the embodiment of the present invention, when data transmission is performed between the pole holding application and the PLC main control module, a secure channel may be established based on the PLC communication channel provided in the present invention, so as to ensure security of data transmission, for example, a session key is negotiated between the pole holding application and the PLC main control module or the street lamp management platform, and when data transmission is performed, encrypted transmission is performed via the session key.
Therefore, the control system of the single-phase street lamp provided by the embodiment of the invention adopts the PLC as a wired communication mode, and extra wiring is not needed; meanwhile, 220V alternating current and 36V direct current power supplies are supported to serve as communication carriers, 220V alternating current can be used for supplying power in the evening of the system, power is not cut off in the daytime, and 36V direct current power supply is adopted; the independent switch and the independent dimming control of the street lamp can be realized, and flexible energy consumption management is realized, such as 12 o 'clock-6 o' clock at night, and the street lamp runs at low power consumption; in addition, the power supply of 36V direct current/220V alternating current can be provided for pole embracing application; meanwhile, a data communication channel can be provided for pole holding application. Furthermore, the control system of the single-phase street lamp provided by the embodiment of the invention can realize the self-checking function, report the abnormal state of the street lamp and replace manual inspection.
Therefore, the control system of the single-phase street lamp provided by the embodiment of the invention solves the problems of independent switch control and dimming control of the traditional street lamp and realizes flexible energy consumption management; the problem that the traditional street lamp cannot supply power for the pole holding application due to power failure in daytime due to safety concerns (potential safety hazards caused by 220V alternating current power supply) is solved; the problem of safe communication applied to the traditional holding pole of the street lamp is solved; the problem of traditional street lamp need artifical the patrolling and examining is solved.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made in the above embodiments by those of ordinary skill in the art without departing from the principle and spirit of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. A control system of a single-phase street lamp, comprising: the system comprises an alternating current transformer, a direct current converter, a control switch, a PLC main control module, a first PLC lamp control module, a second PLC lamp control module, a first isolator and a second isolator;
a first output end of the alternating current transformer is connected to a first input end of the control switch, and a second output end of the alternating current transformer is connected to an input end of the direct current converter;
the output end of the direct current converter is connected to the second input end of the control switch;
the control end of the PLC master control module is connected to the control end of the control switch;
the signal end of the PLC master control module is connected to the input end of the first PLC lamp control module;
the input end of the first PLC lamp control module is connected to the output end of the control switch;
the input end of the second PLC lamp control module is connected to the output end of the control switch;
the output end of the first PLC lamp control module is connected to the input end of the second PLC lamp control module;
the first isolator is arranged on an L line between the output end of the control switch and the signal end of the PLC main control module;
the second isolator is arranged on an L line between the signal end of the PLC main control module and the output end of the first PLC lamp control module;
the control switch receives a first switching instruction sent by the PLC main control module, and the output end of the alternating current transformer is connected with the output end of the control switch according to the first switching instruction;
the control switch receives a second switching instruction sent by the PLC main control module, and the output end of the direct current converter is connected with the output end of the control switch according to the second switching instruction;
the PLC master control module is used for sending a control signal through a signal end of the PLC master control module, wherein the control signal comprises an identification of a component to be controlled and a control instruction;
the first PLC lamp control module is used for receiving the control signal, judging whether the identifier of the component to be controlled is a component connected with the first PLC lamp control module, and if so, operating according to the control instruction; if not, the control signal is sent to the input end of the second PLC lamp control module through the output end of the first PLC lamp control module;
and the second PLC lamp control module is used for receiving the control signal, judging whether the identifier of the component to be controlled is a component connected with the second PLC lamp control module, and if so, operating according to the control instruction.
2. The system of claim 1, wherein the first PLC lamp control module comprises a first control unit, a first light control unit, and a first extension unit, the first control unit connecting the first light control unit and the first extension unit;
the first control unit is used for judging whether the control signal is a light control signal or a pole holding application signal, and if the control signal is the light control signal, sending the control instruction to the first light control unit; if the signal is applied to the holding pole, the control command is sent to the first expansion unit;
the first light control unit is connected with the first streetlamp component and is used for executing light control operation according to the control instruction;
the first extension unit is connected with a first pole embracing application component and used for executing corresponding operation according to the control instruction.
3. The system of claim 2, wherein the first PLC lamp control module further comprises: a second control unit;
and the second control unit is used for sending the control signal to the input end of the second PLC lamp control module.
4. The system of any one of claims 1 to 3, wherein the second PLC lamp control module comprises a third control unit, a second light control unit and a second expansion unit, the third control unit connecting the second light control unit and the second expansion unit;
the third control unit is used for judging that the control signal is a light control signal or a pole holding application signal, and if the control signal is the light control signal, the control instruction is sent to the second light control unit; if the pole holding application signal is received, the control signal is sent to the second expansion unit;
the second light control unit is connected with the second street lamp component and is used for executing light control operation according to the control instruction;
and the second extension unit is connected with a second holding pole application component and used for executing corresponding operation according to the control command.
5. The system of claim 4, further comprising: a third isolator;
the third isolator is arranged on an L line between the signal end of the first PLC lamp control module and the output end of the second PLC lamp control module;
the second PLC lamp control module further comprises: a fourth control unit;
and the fourth control unit is used for sending the control signal to the input end of a subsequent PLC lamp control module.
6. The system of any of claims 2 to 5, wherein the light control operations include, but are not limited to: street lamp on operation, street lamp off operation, street lamp dimming operation, voltage detection, current detection and fault detection.
7. The system of any one of claims 1 to 6, further comprising: a street lamp management platform;
the street lamp management platform is used for sending a management instruction to the PLC main control module;
the PLC master control module sends a control signal through a signal end of the PLC master control module in the following mode:
the PLC main control module is specifically configured to receive the management instruction, and send a control signal through a signal end of the PLC main control module according to the management instruction.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111069680.9A CN113853050A (en) | 2021-09-13 | 2021-09-13 | Control system of single-phase street lamp |
| PCT/CN2022/103754 WO2023035749A1 (en) | 2021-09-13 | 2022-07-04 | Control system for single-phase street lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111069680.9A CN113853050A (en) | 2021-09-13 | 2021-09-13 | Control system of single-phase street lamp |
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| CN113853050A true CN113853050A (en) | 2021-12-28 |
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| CN202111069680.9A Pending CN113853050A (en) | 2021-09-13 | 2021-09-13 | Control system of single-phase street lamp |
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| WO (1) | WO2023035749A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023035749A1 (en) * | 2021-09-13 | 2023-03-16 | 天地融科技股份有限公司 | Control system for single-phase street lamp |
| WO2023035735A1 (en) * | 2021-09-13 | 2023-03-16 | 天地融科技股份有限公司 | Control system of three-phase street lamp |
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| WO2023035749A1 (en) * | 2021-09-13 | 2023-03-16 | 天地融科技股份有限公司 | Control system for single-phase street lamp |
| WO2023035735A1 (en) * | 2021-09-13 | 2023-03-16 | 天地融科技股份有限公司 | Control system of three-phase street lamp |
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| Publication number | Publication date |
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| WO2023035749A1 (en) | 2023-03-16 |
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