CN214851928U - LED street lamp control device based on NB and Cat1 dual system - Google Patents
LED street lamp control device based on NB and Cat1 dual system Download PDFInfo
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- CN214851928U CN214851928U CN202121501231.2U CN202121501231U CN214851928U CN 214851928 U CN214851928 U CN 214851928U CN 202121501231 U CN202121501231 U CN 202121501231U CN 214851928 U CN214851928 U CN 214851928U
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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 utility model discloses a LED street lamp controlling means based on NB, Cat1 dual system relates to LED single lamp remote control device, and the data volume that the current LED street lamp that aims at overcoming was based on NB system transmission is extremely low to have delay and the circuit directly puts into the lamp pole, be convenient for maintenance personal to overhaul the problem, LED street lamp controlling means is fixed in the lamp pole of LED street lamp; the LED street lamp control device comprises an environment state acquisition unit, a street lamp state acquisition unit, a control unit, a communication unit, a street lamp switch unit and an upper computer; the environment state acquisition unit comprises a light intensity acquisition circuit and a pedestrian detection circuit; the street lamp state acquisition unit comprises a street lamp position acquisition circuit, a street lamp current and voltage sampling circuit and a street lamp upright detection circuit; the communication unit includes an NB communication circuit and a Cat1 communication circuit.
Description
Technical Field
The utility model relates to a LED single lamp remote control device.
Background
The existing LED street lamps have transited from the past manual and timing control to remote regulation, and the remote communication is usually based on an NB communication system.
However, the remotely controlled LED street lamp needs to collect illumination, people flow and current and voltage at any time, and timely feeds back the current and voltage according to preset conditions, and at this time, a large amount of data needs to be transmitted, and delay is reduced as much as possible, but the NB communication system has an extremely low data volume and also has a certain delay.
Compared with the existing street lamp, the LED street lamp controlled remotely adopts a relatively fragile chip circuit, so that the possibility of failure is improved, and the circuit is usually directly placed into the lamp post when leaving a factory, so that maintenance personnel are inconvenient to overhaul.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming current LED street lamp extremely low based on the data bulk of NB system transmission to have and postpone and the circuit directly puts into the lamp pole, the maintenance personal of being not convenient for overhauls the problem, provide a LED street lamp controlling means based on NB, Cat1 dual system.
The utility model discloses a LED street lamp controlling means based on NB, Cat1 dual system, LED street lamp controlling means is fixed in the lamp pole of LED street lamp; the LED street lamp control device comprises an environment state acquisition unit, a street lamp state acquisition unit, a control unit, a communication unit, a street lamp switch unit and an upper computer;
the environment state acquisition unit comprises a light intensity acquisition circuit and a pedestrian detection circuit;
the street lamp state acquisition unit comprises a street lamp position acquisition circuit, a street lamp current and voltage sampling circuit and a street lamp upright detection circuit;
the communication unit includes an NB communication circuit and a Cat1 communication circuit;
the position signal output end of the street lamp position acquisition circuit and the attitude signal output end of the street lamp upright detection circuit are respectively and electrically connected with the position signal input end and the attitude signal input end of the control unit, the first signal output end of the control unit is in wireless communication with the signal receiving end of the upper computer through the NB communication circuit, and the first signal comprises a position signal and an attitude signal;
a street lamp switch instruction signal output end of the upper computer is in wireless communication with a switch instruction signal input end of the control unit through an NB communication circuit, and a switch control signal input end of the control unit is electrically connected with a switch control signal input end of the street lamp switch unit; the street lamp switch unit is electrically connected between the street lamp power supply and the LED street lamp, and when the street lamp switch unit receives a switch control signal, the street lamp power supply and the LED street lamp are switched on or off, so that the LED street lamp emits light or is switched off;
the light intensity signal output part of the light intensity acquisition circuit, the pedestrian of the pedestrian detection circuit is close to/keeps away from the voltage current sampling signal output part of signal output part and street lamp current voltage sampling circuit respectively with the light intensity signal input part of the control unit, the pedestrian is close to/keeps away from signal input part and voltage current sampling signal input part electrical connection, and the second signal output part of the control unit also with the signal receiving terminal wireless communication of host computer through Cat1 communication circuit, the second signal is including exporting the light intensity signal, the pedestrian is close to/keeps away from signal and voltage current sampling signal.
The utility model has the advantages that: based on the original NB communication system, a Cat1 communication system is added, and a Cat1 communication system can complement the NB communication system and is used for transmitting data with large data volume and requirements for delay, so that the LED street lamp with remote control can acquire data to be acquired in time and feed back the data in time.
Moreover, the circuit embedding device capable of being pulled out is adopted, so that the circuit can be protected, and maintenance personnel can conveniently and quickly see the circuit to check faults in time.
Drawings
Fig. 1 is a schematic diagram of a module structure of an LED street lamp control device based on NB and Cat1 dual systems;
FIG. 2 is a schematic structural diagram of an LED street lamp;
FIG. 3 is a schematic view of the sectional structure of the embedded box of the control device and the LED street lamp;
FIG. 4 is a circuit topology diagram of the control unit of FIG. 1;
FIG. 5 is a circuit topology diagram of the light intensity acquisition circuit of FIG. 1;
FIG. 6 is a circuit topology diagram of the pedestrian detection circuit of FIG. 1;
FIG. 7 is a circuit topology diagram of the street lamp position acquisition circuit of FIG. 1;
fig. 8 is a circuit topology diagram of a three-phase multifunctional metering chip ATT7022E in the street lamp current-voltage sampling circuit of fig. 1;
FIG. 9 is a circuit topology diagram of a current sampling circuit in the street lamp current voltage sampling circuit of FIG. 1;
FIG. 10 is a circuit topology diagram of a voltage sampling circuit in the street lamp current-voltage sampling circuit of FIG. 1;
fig. 11 is a circuit topology diagram of the street lamp upright detection circuit in fig. 1;
FIG. 12 is a circuit topology diagram of the NB communication circuit of FIG. 1;
FIG. 13 is a circuit topology diagram of the Cat1 communication circuit of FIG. 1;
fig. 14 is a circuit topology diagram of the streetlamp switch unit in fig. 1.
Detailed Description
In a first specific embodiment, in the LED street lamp control device based on the NB and Cat1 dual systems of this embodiment, the LED street lamp control device is fixed in a lamp post 7 of an LED street lamp; as shown in fig. 1, the LED street lamp control device includes an environment state acquisition unit 1, a street lamp state acquisition unit 2, a control unit 3, a communication unit 4, a street lamp switch unit 5 and an upper computer 6;
the environment state acquisition unit 1 comprises a light intensity acquisition circuit 1-1 and a pedestrian detection circuit 1-2;
the street lamp state acquisition unit 2 comprises a street lamp position acquisition circuit 2-1, a street lamp current and voltage sampling circuit 2-2 and a street lamp upright detection circuit 2-3;
the communication unit 4 includes an NB communication circuit 4-1 and a Cat1 communication circuit 4-2;
a position signal output end of the street lamp position acquisition circuit 2-1 and an attitude signal output end of the street lamp upright detection circuit 2-3 are respectively and electrically connected with a position signal input end and an attitude signal input end of the control unit 3, a first signal output end of the control unit 3 is in wireless communication with a signal receiving end of the upper computer 6 through an NB communication circuit 4-1, and the first signal comprises a position signal and an attitude signal;
a street lamp switch instruction signal output end of the upper computer 6 is in wireless communication with a switch instruction signal input end of the control unit 3 through an NB communication circuit 4-1, and a switch control signal input end of the control unit 3 is electrically connected with a switch control signal input end of the street lamp switch unit 5; the street lamp switch unit 5 is electrically connected between the street lamp power supply and the LED street lamp, and when the street lamp switch unit 5 receives the switch control signal, the street lamp power supply and the LED street lamp are switched on or off, so that the LED street lamp emits light or is switched off;
the light intensity signal output end of the light intensity acquisition circuit 1-1, the pedestrian approaching/far signal output end of the pedestrian detection circuit 1-2 and the voltage and current sampling signal output end of the street lamp current and voltage sampling circuit 2-2 are respectively electrically connected with the light intensity signal input end of the control unit 3, the pedestrian approaching/far signal input end and the voltage and current sampling signal input end, the second signal output end of the control unit 3 is also in wireless communication with the signal receiving end of the upper computer 6 through the Cat1 communication circuit 4-2, and the second signal comprises an output light intensity signal, a pedestrian approaching/far signal and a voltage and current sampling signal.
Specifically, the LED street lamp control device can be powered by mains supply, and can also be supplied with UPS to keep various internal functional units working all the time.
Since the position of the street lamp and the posture of the street lamp are rarely changed, the position signal and the posture signal can be communicated and transmitted through the NB communication circuit 4-1, while the light intensity of the surrounding environment of the street lamp, and the number of pedestrians and the voltage and current may change from time to time, so that the light intensity signal, the pedestrian approaching/departing signal and the voltage and current sampling signal are suitable for the Cat1 communication circuit 4-2 to transmit.
The switching of the street lamp may only occur once a day and is not frequent, so that the switching control signal can be transmitted by the NB communication circuit 4-1.
In actual work, when the light intensity signal Cat1 communication circuit 4-2 is transmitted to the upper computer 6, and the light intensity reaches a set value, the upper computer 6 sends a switch control signal to turn on the LED street lamp. Similarly, the LED street lamp can be set on a street with rare pedestrian flow and can be kept in an off state when the electric quantity is needed and no person is available, and the LED street lamp is turned on when the pedestrian detection circuit 1-2 detects that a pedestrian passes through. And when the current and voltage of the street lamp exceed the maximum limit of the LED street lamp, the power supply is disconnected to protect the LED street lamp.
When the position of the street lamp is unknown and the upright state of the street lamp is changed, the warning is sent to the staff through the upper computer 6 so as to be processed.
In a preferred embodiment, the first embodiment is further described, and as shown in fig. 2 to 3, the present embodiment further includes a control device embedded box 8;
the street lamp state acquisition unit 2, the control unit 3, the communication unit 4 and the street lamp switch unit 5 are all positioned in the control device embedded box 8;
an access hole 9 is formed in the side wall of a lamp post 7 of the LED street lamp;
a control box insertion groove 10 is arranged in a position, corresponding to the access opening 9, in a lamp post 7 of the LED street lamp, the control box insertion groove 10 is matched with the outer contour of the control device insertion box 8, a plurality of parallel guide rails 11 are arranged on the inner side wall of the control box insertion groove 10, and the guide rails 11 are guided towards the access opening 9;
the outer side wall of the control device embedded box 8 is provided with a sliding mechanism 12 matched with the guide rail 11, and the sliding mechanism 12 is embedded into the corresponding guide rail 11, so that the control device embedded box 8 can slide along the guide rail 11 and slide to the outside of the lamp post 7 from the access opening 9.
Specifically, owing to compare current street lamp, adopted relatively fragile chip circuit etc. consequently the possibility of breaking down also can improve to some extent, set up access hole 9 and be convenient for overhaul, protect street lamp state acquisition unit 2, the control unit 3, communication unit 4 and street lamp switch unit 5 through controlling means flush box 8, prevent external environment pollution, and the maintenance personal of being convenient for pulls out and overhauls.
A best embodiment, which is a further description of the first embodiment, further includes an antenna 13 and a communication cable 14;
the antenna 13 is fixed at the top inside the lamp post 7;
the communication cable 14 enters the control device insertion box 8 from the rear of the control device insertion box 8, and the NB communication circuit 4-1 and the Cat1 communication circuit 4-2 are electrically connected to the antenna 13 through the communication cable 14, respectively.
Best mode, this example is a further description of the first embodiment, and as shown in fig. 4, the control unit 3 is an STM32L476RCT6 controller.
Best mode, this example is a further explanation of the first embodiment, and as shown in fig. 5, the light intensity collecting circuit 1-1 includes a phototransistor, the collector of the phototransistor is electrically connected to the power supply and the ADC port of the STM32L476RCT6 controller, and the emitter is grounded;
the phototriode is arranged on the side wall of the lamp post 7, and the light receiving area of the phototriode faces the outside;
as shown in fig. 6, the pedestrian detection circuit 1-2 comprises a human body infrared sensor HC-SR501, an OUT port of the human body infrared sensor HC-SR501 is electrically connected with an IO port of an STM32L476RCT6 controller;
the human body infrared sensor HC-SR501 is arranged on the outer side wall of the lamp post 7 at a height of 1 m-1.5 m from the ground.
Specifically, the street lamp position acquisition circuit 2-1 may adopt a GPS module L70-R, as shown in fig. 7, the GPS module L70-R is connected to one pair of TX and RX pins of the STM32L476RCT6 controller in a serial port manner.
The street lamp current and voltage sampling circuit 2-2 comprises a current sampling circuit and a voltage sampling circuit, wherein as shown in fig. 8, the street lamp current and voltage sampling circuit comprises a three-phase multifunctional metering chip ATT7022E which obtains a sampling current value and a sampling voltage value through the current sampling circuit and the voltage sampling circuit; as shown in fig. 9, the current sampling circuit may select the current transformer ZMCT116A to perform current sampling in a differential manner and input the current sampling to a corresponding port of the three-phase multifunctional metering chip ATT7022E, and similarly as shown in fig. 10, the voltage sampling circuit performs voltage sampling and inputs the voltage sampling to a corresponding port of the three-phase multifunctional metering chip ATT 7022E. And the input three-phase multifunctional metering chip ATT7022E is connected with the SPI of the STM32L476RCT6 controller through the SPI.
The street lamp upright detection circuit 2-3 can adopt a DFR0028 digital steel ball tilt sensor, and as shown in fig. 11, the switching value output port of the DFR0028 digital steel ball tilt sensor is connected with the IO port of an STM32L476RCT6 controller.
The NB communication circuit 4-1 may optionally employ an NB-IOT module BC95, as shown in FIG. 12, the NB-IOT module BC95 is connected to the STM32L476RCT6 controller via serial ports TX and RX.
The Cat1 communication circuit 4-2 may be implemented by a 720UH Cat1 module, as shown in fig. 13, and a 720UH Cat1 module is connected to the STM32L476RCT6 controller via serial ports TX and RX.
The street lamp switch unit 5 may adopt a general relay and a related control circuit thereof, as shown in fig. 14, when the controller outputs a low level signal, the LED street lamp is turned off, and when the controller outputs a high level signal, the LED street lamp is turned on.
Claims (5)
1. The LED street lamp control device based on the NB and Cat1 dual system is characterized in that the LED street lamp control device is fixed in a lamp post (7) of an LED street lamp; the LED street lamp control device comprises an environment state acquisition unit (1), a street lamp state acquisition unit (2), a control unit (3), a communication unit (4), a street lamp switch unit (5) and an upper computer (6);
the environment state acquisition unit (1) comprises a light intensity acquisition circuit (1-1) and a pedestrian detection circuit (1-2);
the street lamp state acquisition unit (2) comprises a street lamp position acquisition circuit (2-1), a street lamp current and voltage sampling circuit (2-2) and a street lamp upright detection circuit (2-3);
the communication unit (4) includes an NB communication circuit (4-1) and a Cat1 communication circuit (4-2);
the position signal output end of the street lamp position acquisition circuit (2-1) and the posture signal output end of the street lamp upright detection circuit (2-3) are respectively and electrically connected with the position signal input end and the posture signal input end of the control unit (3), the first signal output end of the control unit (3) is in wireless communication with the signal receiving end of the upper computer (6) through the NB communication circuit (4-1), and the first signal comprises a position signal and a posture signal;
the street lamp switch instruction signal output end of the upper computer (6) is in wireless communication with the switch instruction signal input end of the control unit (3) through an NB communication circuit (4-1), and the switch control signal input end of the control unit (3) is electrically connected with the switch control signal input end of the street lamp switch unit (5); the street lamp switch unit (5) is electrically connected between the street lamp power supply and the LED street lamp, and when the street lamp switch unit (5) receives a switch control signal, the street lamp power supply and the LED street lamp are switched on or off, so that the LED street lamp emits light or is switched off;
the signal processing device is characterized in that a light intensity signal output end of the light intensity acquisition circuit (1-1), a pedestrian approaching/far-away signal output end of the pedestrian detection circuit (1-2) and a voltage and current sampling signal output end of the street lamp current and voltage sampling circuit (2-2) are respectively electrically connected with a light intensity signal input end of the control unit (3), a pedestrian approaching/far-away signal input end and a voltage and current sampling signal input end, a second signal output end of the control unit (3) is also in wireless communication with a signal receiving end of the upper computer (6) through the Cat1 communication circuit (4-2), and the second signal comprises an output light intensity signal, a pedestrian approaching/far-away signal and a voltage and current sampling signal.
2. The LED street lamp control device based on the NB, Cat1 dual system as claimed in claim 1, further comprising a control device embedded box (8);
the street lamp state acquisition unit (2), the control unit (3), the communication unit (4) and the street lamp switch unit (5) are all positioned in the control device embedded box (8);
an access hole (9) is formed in the side wall of a lamp post (7) of the LED street lamp;
a control box insertion groove (10) is formed in the position, corresponding to the access opening (9), in the lamp post (7) of the LED street lamp, the control box insertion groove (10) is matched with the outer contour of the control device embedded box (8), a plurality of parallel guide rails (11) are arranged on the inner side wall of the control box insertion groove (10), and the guide rails (11) are guided towards the access opening (9);
the outer side wall of the control device embedded box (8) is provided with a sliding mechanism (12) matched with the guide rail (11), and the sliding mechanism (12) is embedded into the corresponding guide rail (11), so that the control device embedded box (8) can slide along the guide rail (11) and slide to the outside of the lamp pole (7) from the access hole (9).
3. The LED street lamp control device based on the NB, Cat1 dual system as claimed in claim 2, further comprising an antenna (13) and a communication cable (14);
the antenna (13) is fixed at the top in the lamp post (7);
the communication cable (14) enters the interior of the control device embedded box (8) from the rear of the control device embedded box (8), and the NB communication circuit (4-1) and the Cat1 communication circuit (4-2) are respectively electrically connected with the antenna (13) through the communication cable (14).
4. The LED street lamp control device based on NB, Cat1 dual system as claimed in claim 1, 2 or 3, characterized in that the control unit (3) is STM32L476RCT6 controller.
5. The LED street lamp control device based on the NB, Cat1 dual system as claimed in claim 4,
the light intensity acquisition circuit (1-1) comprises a phototriode, the collector of the phototriode is electrically connected with a power supply and the ADC port of the STM32L476RCT6 controller, and the emitter is grounded;
the phototriode is arranged on the side wall of the lamp post (7), and the light receiving area of the phototriode faces the outside;
the pedestrian detection circuit (1-2) comprises a human body infrared sensor HC-SR501, wherein an OUT port of the human body infrared sensor HC-SR501 is electrically connected with an IO port of an STM32L476RCT6 controller;
the human body infrared sensor HC-SR501 is arranged on the outer side wall of the lamp post (7) at a height of 1-1.5 m from the ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121501231.2U CN214851928U (en) | 2021-07-02 | 2021-07-02 | LED street lamp control device based on NB and Cat1 dual system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121501231.2U CN214851928U (en) | 2021-07-02 | 2021-07-02 | LED street lamp control device based on NB and Cat1 dual system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214851928U true CN214851928U (en) | 2021-11-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121501231.2U Active CN214851928U (en) | 2021-07-02 | 2021-07-02 | LED street lamp control device based on NB and Cat1 dual system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214851928U (en) |
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2021
- 2021-07-02 CN CN202121501231.2U patent/CN214851928U/en active Active
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Address after: 150000 room A606, No. 99, Keji 1st Street, building 18, innovation and entrepreneurship Plaza, science and technology innovation city, high tech Industrial Development Zone, Harbin, Heilongjiang Province Patentee after: HARBIN YINGTONG SCIENCE & TECHNOLOGY Co.,Ltd. Address before: 150000 Room 202, No. 318 Xianfeng Road, Nangang District, Harbin City, Heilongjiang Province Patentee before: HARBIN YINGTONG SCIENCE & TECHNOLOGY Co.,Ltd. |
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