CN212298796U

CN212298796U - Intelligent photovoltaic street lamp circuit and street lamp

Info

Publication number: CN212298796U
Application number: CN202020858223.2U
Authority: CN
Inventors: 王芸; 张翼
Original assignee: Shenzhen University
Current assignee: Shenzhen University
Priority date: 2020-05-20
Filing date: 2020-05-20
Publication date: 2021-01-05
Anticipated expiration: 2030-05-20

Abstract

The utility model discloses an intelligence photovoltaic street lamp circuit and street lamp, intelligence photovoltaic street lamp circuit includes: the solar module is used for converting solar energy into electric energy and detecting the sunlight intensity; the environment detection circuit is used for detecting the ambient illumination, the traffic flow density and the haze concentration; the main control circuit is connected with the solar module and the environment detection circuit and is used for acquiring a sunlight intensity signal and adjusting the illumination intensity of the street lamp according to the detection result of the environment detection circuit; the storage battery is connected with the solar module and used for storing electric energy; and the power supply circuit is connected with the storage battery and the external equipment, is used for DC-DC conversion and supplies power to the main control circuit, the environment detection circuit and the external equipment. The utility model discloses an environment detection circuitry detects environment illuminance, vehicle flow density and haze concentration, and accurate light control has been realized to rethread master control circuit according to testing result control street lamp illumination intensity.

Description

Intelligent photovoltaic street lamp circuit and street lamp

Technical Field

The utility model relates to a street lamp control field, in particular to intelligence photovoltaic street lamp circuit and street lamp.

Background

At present, the electricity consumption for Chinese illumination accounts for about 15 percent of the total generated energy, and the outdoor road illumination accounts for about 30 percent of the total illumination electricity consumption. Most of the traditional solar street lamp systems are in a mode of turning off when the street lamp is bright and turning on when the street lamp is dark. The intelligent degree of the existing street lamp is low, effective adjustment cannot be made under extreme weather and special conditions, only a certain illumination intensity can be kept, and the problem of great traffic safety exists; the brightness of the density of the traffic flow cannot be adjusted, and more vehicles are used and the brightness of the vehicles is the same; the time control is usually only used, and the brightness can not be adjusted when the time is changed day and night all the year round, so that the energy utilization rate of the street lamps in each big city is generally low, the waste is serious, and the electric charge and the management cost of the street lamps become a huge financial expenditure for the government.

Thus, the prior art has yet to be improved and enhanced.

SUMMERY OF THE UTILITY MODEL

In view of the weak point of above-mentioned prior art, the utility model aims to provide an intelligence photovoltaic street lamp circuit and street lamp detects environment illuminance, traffic density and haze concentration through environment detection circuitry, and accurate light control has been realized according to testing result control street lamp illumination intensity to rethread master control circuit.

In order to achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides an intelligence photovoltaic street lamp circuit, include: the solar module is used for converting solar energy into electric energy and detecting the sunlight intensity; the environment detection circuit is used for detecting the ambient illumination, the traffic flow density and the haze concentration; the main control circuit is connected with the solar module and the environment detection circuit and is used for generating a control signal according to the sunlight intensity and adjusting the illumination intensity of the street lamp in a grading manner according to the detection result of the environment detection circuit; the storage battery is connected with the solar module and used for storing electric energy; and the power supply circuit is connected with the storage battery and the external equipment, is used for DC-DC conversion and supplies power to the main control circuit, the environment detection circuit and the external equipment.

The solar control system is characterized by further comprising a rotating holder which is used for receiving a control signal generated by a sunlight intensity signal according to a main control circuit and rotates, and the solar module is arranged on the rotating holder.

The solar module includes: the solar photovoltaic panel is arranged on the rotating holder and used for converting solar energy into electric energy; the first illuminance sensor, the second illuminance sensor, the third illuminance sensor and the fourth illuminance sensor are respectively arranged on four side surfaces of the solar photovoltaic panel and are used for detecting the sunlight intensity; the solar photovoltaic panel is connected with the storage battery, and the first illuminance sensor, the second illuminance sensor, the third illuminance sensor and the fourth illuminance sensor are respectively connected with the master control circuit.

The environment detection circuit includes: the environment illumination sensor is connected with the main control circuit and used for detecting environment illumination; the haze sensor is connected with the main control circuit and used for detecting haze concentration; and the traffic density sensor is connected with the main control circuit and is used for detecting the traffic density.

The main control circuit comprises a main control chip, a crystal oscillator, a first capacitor, a second capacitor and a third capacitor, a P1.2 pin of the main control chip is connected with an OUT pin of the traffic density sensor, a P1.3 pin of the main control chip is connected with a PWM controller of a street lamp body, a P1.5 pin, a P1.6 pin and a P1.7 pin of the main control chip are respectively connected with an SCL pin, an SDA pin and an ADDR pin of the ambient illumination sensor, a P3.0/RXD pin and a P3.1/TXD pin of the main control chip are respectively connected with a transmitting end and a receiving end of a haze sensor, a P2.4 pin, a P2.5 pin, a P2.6 pin and a P2.7 pin of the main control chip are respectively connected with an SDA pin of the first illumination sensor, an SDA pin of the second illumination sensor, an SDA pin of the third illumination sensor and a pin of the fourth illumination sensor, and the SDA pin and the SCL pin of the second illumination sensor are respectively connected with the SDA pin and the SCL pin of the second illumination sensor, An SCL pin of a third illumination sensor and an SCL pin of a fourth illumination sensor are connected with a P1.6 pin of the main control chip, an ADDR pin of the first illumination sensor, an ADDR pin of the second illumination sensor, an ADDR pin of the third illumination sensor and an ADDR pin of the fourth illumination sensor are connected with a P1.7 pin of the main control chip, and an A8/P2.0 pin, an A9/P2.1 pin, an A10/P2.2 pin and an A11/P2.3 pin of the main control chip are connected with a first relay, a second relay, a third relay and a second relay of the rotating holder; the one end of crystal oscillator is connected with the one end of XTAL2 foot and the first electric capacity of main control chip, the other end of crystal oscillator is connected with the XTAL1 foot of crystal oscillator and the one end of second electric capacity, the other end of first electric capacity reaches the other end of second electric capacity all grounds, the one end of third electric capacity is connected with the VCC foot and the power of main control chip, the other end of third electric capacity with the GND foot of main control chip all grounds.

The power supply circuit includes: the power supply circuit comprises a power supply chip, a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, a sixth resistor, a seventh resistor, a fourth capacitor, a fifth capacitor, a sixth capacitor, a seventh capacitor, an eighth capacitor, an electrolytic capacitor, a first inductor and a first diode; the VIN foot of power chip is connected with the one end of first resistance, the one end of fourth electric capacity, electrolytic capacitor's one end and the positive pole of battery, the EN foot of power chip with the other end of first resistance, the one end of second resistance are connected, the other end of second resistance, the other end of fourth electric capacity and electrolytic capacitor's negative pole all ground connection, the FREQ foot of power chip with the one end of third resistance is connected, the GND foot of power chip and the other end of third resistance all ground connection, the SW foot of power chip and the one end of fifth electric capacity, the one end of first inductance and the negative pole of first diode are connected, the other end of fifth electric capacity with the BST foot of power chip is connected, the other end of first inductance and the one end of sixth electric capacity, the one end of sixth resistance, the VCC foot of main control chip, the VCC foot of haze sensor, the VCC foot of car current density sensor, The LED illumination control circuit comprises an ambient illumination sensor, a first illumination sensor, a second illumination sensor, a third illumination sensor, a fourth illumination sensor, a sixth capacitor, a first diode, a second diode, a power chip, a third capacitor, a fifth resistor, a sixth resistor, a COMP (complementary metal oxide semiconductor) pin, a seventh capacitor, an eighth capacitor, a fifth resistor, a sixth resistor, a COMP pin, a seventh resistor, an eighth capacitor, a fifth resistor, a sixth resistor, a seventh capacitor, a seventh resistor, a.

The main control chip is a single chip microcomputer, the model of the main control chip is STC89C52, and the model of the power supply chip is MP1584 EN.

The model of first illuminance sensor, second illuminance sensor, third illuminance sensor, fourth illuminance sensor and environment illuminance sensor is BH1750FVI, the model of traffic flow density sensor is QLRA18-D3NK, the model of haze sensor is SDS 011.

The storage battery is connected with the external equipment through the charging interface module.

The utility model provides a street lamp, includes street lamp body and the above intelligent photovoltaic street lamp circuit, intelligent photovoltaic street lamp circuit sets up this internal and control street lamp luminance through the control relay in the street lamp body of street lamp, and rotatory cloud platform sets up at the street lamp top, and the solar photovoltaic board sets up on rotatory cloud platform.

Compared with the prior art, the utility model provides an intelligence photovoltaic street lamp circuit and street lamp, intelligence photovoltaic street lamp circuit includes: the solar module is used for converting solar energy into electric energy and detecting the sunlight intensity; the environment detection circuit is used for detecting the ambient illumination, the traffic flow density and the haze concentration; the main control circuit is connected with the solar module and the environment detection circuit and is used for acquiring a sunlight intensity signal and adjusting the illumination intensity of the street lamp according to the detection result of the environment detection circuit; the storage battery is connected with the solar module and used for storing electric energy; and the power supply circuit is connected with the storage battery and the external equipment, is used for DC-DC conversion and supplies power to the main control circuit, the environment detection circuit and the external equipment. The utility model discloses an environment detection circuitry detects environment illuminance, vehicle flow density and haze concentration, and accurate light control has been realized to rethread master control circuit according to testing result control street lamp illumination intensity.

Drawings

Fig. 1 is a functional block diagram of the structure of the intelligent photovoltaic street lamp circuit provided by the present invention;

fig. 2 is a structural diagram of the intelligent photovoltaic street lamp circuit provided by the present invention;

fig. 3 is a circuit diagram of the ambient light sensor provided by the present invention;

fig. 4 is a circuit diagram of the traffic density sensor provided by the present invention;

fig. 5 is a circuit diagram of the haze sensor provided by the present invention;

fig. 6 is a circuit diagram of a main control circuit provided by the present invention;

fig. 7 is a circuit diagram of the power supply circuit provided by the present invention.

Detailed Description

The utility model provides an intelligence photovoltaic street lamp circuit and street lamp detects environment illuminance, traffic density and haze concentration through environment detection circuitry, and accurate light control has been realized to rethread master control circuit according to testing result control street lamp illumination intensity.

The present invention is described in more detail in order to facilitate the explanation of the technical idea, the technical problem solved, the technical features of the technical solution, and the technical effects brought by the present invention. The embodiments are explained below, but the scope of the present invention is not limited thereto. Further, the technical features of the embodiments described below may be combined with each other as long as they do not conflict with each other.

In view of the fact that street lamp 700 of prior art has intelligent degree low, and can't make corresponding problem of adjusting according to weather, special cases, traffic density and weather etc, please refer to fig. 1 and fig. 2, the utility model provides an intelligence photovoltaic street lamp 700 circuit, include: the solar energy detection device comprises a solar energy module 100, an environment detection circuit 200, a main control circuit 300, a storage battery 400 and a power supply circuit 500. The solar module 100 is used to convert solar energy into electric energy and detect the intensity of sunlight. The environment detection circuit 200 is used for detecting the ambient illumination, the traffic density and the haze concentration. The main control circuit 300 is connected to the solar module 100 and the environment detection circuit 200, and is configured to generate a control signal according to the sunlight intensity and adjust the illumination intensity of the street lamp 700 in a grading manner according to the detection result of the environment detection circuit 200. The battery 400 is connected to the solar module 100 and is used for converting the electric energy of the solar module 100. The power supply circuit 500 is connected to the battery 400 and the external device, and is configured to convert a 12V dc voltage of the battery 400 into a 5V dc voltage and supply power to the main control circuit 300, the environment detection circuit 200, and the external device.

In specific implementation, in this embodiment, the solar module 100 converts solar energy into electric energy, and transmits the electric energy to the storage battery 400 for storage; meanwhile, the power supply circuit 500 is connected to the output terminal of the battery 400, and converts the 12V dc voltage of the battery 400 into a 5V dc voltage to supply power to the main control circuit 300, the environment detection circuit 200, and the external device. After main control circuit 300 and environment detection circuit 200 circular telegram, by environment detection circuit 200 real-time detection current environment's environment illuminance, traffic flow density and haze concentration, according to many-sided testing result, according to the illumination intensity of many-sided testing result, control signal to control relay in order to control street lamp 700 of predetermined hierarchical generation corresponding grade, realize accurate control street lamp 700 illumination intensity.

Specifically, referring to fig. 2, the intelligent photovoltaic street lamp 700 circuit further includes a rotating cradle head 800 for rotating according to a control signal generated by the main control circuit 300 receiving the sunlight intensity signal, and the solar module 100 is disposed on the rotating cradle head 800.

In specific implementation, in this embodiment, the solar module 100 is disposed on the rotating platform 800, and the main control circuit 300 controls the rotating platform 800 to rotate according to the detection result of the environment detection circuit 200, so as to adjust the angle of the solar module 100.

Specifically, the solar module 100 includes a solar photovoltaic panel (not numbered), a first illuminance sensor (not shown), a second illuminance sensor (not shown), a third illuminance sensor (not shown), and a fourth illuminance sensor (not shown). The solar photovoltaic panel is connected with the storage battery 400, and converts solar energy into electric energy to be transmitted to the storage battery 400 for storage. The first illuminance sensor, the second illuminance sensor, the third illuminance sensor and the fourth illuminance sensor are respectively arranged on four side surfaces of the solar photovoltaic panel and are simultaneously connected with the main control circuit 300. The first illuminance sensor, the second illuminance sensor, the third illuminance sensor and the fourth illuminance sensor are used for respectively detecting the sunlight intensity of four side surfaces of the solar photovoltaic panel; if the sunlight intensities detected by the four illuminance sensors are consistent, the solar photovoltaic panel is in the direct sunlight direction at the moment, and the main control circuit 300 does not control the solar photovoltaic panel; when the sunlight intensity detected by one illuminance sensor is greater than that of the other illuminance sensors, it indicates that the solar photovoltaic panel is not directly facing the sunlight, and the main control circuit 300 generates a control signal to control the rotating holder 800 to rotate by a corresponding angle, so that the solar photovoltaic panel faces the direct sunlight direction. Particularly, the first illuminance sensor, the second illuminance sensor, the third illuminance sensor and the fourth illuminance sensor are all BH1750FVI in model.

Specifically, referring to fig. 3 to 5, the environment detection circuit 200 includes an environment illumination sensor U3, a haze sensor U5, and a traffic density sensor U4, and the environment illumination sensor U3, the haze sensor U5, and the traffic density sensor U4 are all connected to the main control circuit 300. The ambient illumination sensor U3 is used for detecting the ambient illumination of the current environment; the haze sensor U5 is used for detecting the haze concentration of the current environment; the traffic density sensor U4 is used for detecting the traffic density of the current environment. In particular, the model of the ambient illumination sensor U3 is also BH1750FVI, the model of the traffic density sensor U4 is QLRA18-D3NK, and the model of the haze sensor U5 is SDS 011.

Specifically, referring to fig. 6 together, the main control circuit 300 includes a main control chip U1, a crystal oscillator Y1, a first capacitor C1, a second capacitor C2 and a third capacitor C3, a P1.2 pin of the main control chip U1 is connected to an OUT pin of the traffic density sensor U4, a P1.3 pin of the main control chip U1 is connected to a PWM controller of a lamp body of the street lamp 700, a P1.5 pin, a P1.6 pin and a P1.7 pin of the main control chip U1 are connected to an SCL pin, an SDA pin and an ADDR pin of the ambient illuminance sensor U3, a P3.0/RXD pin and a P3.1/TXD pin of the main control chip U1 are connected to an emitting end and a receiving end of the haze sensor U5, a P2.4 pin, a P2.5 pin, a P2.6 pin and a P2.7 pin of the main control chip U1 are connected to an SDA pin, a second illuminance sensor, a fourth illuminance sensor of the first illuminance sensor, the SCL pin of the first illumination sensor, the SCL pin of the second illumination sensor, the SCL pin of the third illumination sensor and the SCL pin of the fourth illumination sensor are all connected with the P1.6 pin of the main control chip U1, the ADDR pin of the first illumination sensor, the ADDR pin of the second illumination sensor, the ADDR pin of the third illumination sensor and the ADDR pin of the fourth illumination sensor are all connected with the P1.7 pin of the main control chip U1, the A8/P2.0 pin, the A9/P2.1 pin, the A10/P2.2 pin and the A11/P2.3 pin of the main control chip U1 are connected with the first relay, the second relay, the third relay and the third relay of the rotating tripod head; crystal oscillator Y1's one end and the XTAL2 foot of master control chip U1 and the one end of first electric capacity C1 are connected, crystal oscillator Y1's the other end and the XTAL1 foot of crystal oscillator Y1 and the one end of second electric capacity C2 are connected, first electric capacity C1's the other end and second electric capacity C2's the other end all grounds, the one end of third electric capacity C3 and the VCC foot and the power of master control chip U1 are connected, the other end of third electric capacity C3 with the GND foot of master control chip U1 all grounds. Particularly, the main control chip U1 is a single chip microcomputer, and the model number thereof is STC89C 52.

Specifically, referring to fig. 7, the power supply circuit 500 includes: the power supply circuit comprises a power supply chip U2, a first resistor R1, a second resistor R2, a third resistor R3, a fourth resistor R4, a fifth resistor R5, a sixth resistor R6, a seventh resistor R7, a fourth capacitor C4, a fifth capacitor C5, a sixth capacitor C6, a seventh capacitor C7, an eighth capacitor C8, an electrolytic capacitor CS1, a first inductor L1 and a first diode D1.

The specific circuit connection relationship of the power supply circuit 500 is as follows: a VIN pin of the power chip U2 is connected to one end of a first resistor R1, one end of a fourth capacitor C4, one end of an electrolytic capacitor CS1, and an anode of the battery 400, an EN pin of the power chip U2 is connected to the other end of the first resistor R1 and one end of a second resistor R2, the other end of the second resistor R2, the other end of the fourth capacitor C4, and a cathode of the electrolytic capacitor CS1 are all grounded, a FREQ pin of the power chip U2 is connected to one end of the third resistor R3, a GND pin of the power chip U2 and the other end of the third resistor R3 are both grounded, a SW pin of the power chip U2 is connected to one end of a fifth capacitor C5, one end of a first inductor L1, and a cathode of a first diode D1, the other end of the fifth capacitor C5 is connected to a BST pin of the power chip U2, and the other end of the first inductor L1 is connected to one end of a sixth capacitor C6, one end of a first resistor R6, A VCC pin of the main control chip U1, a VCC pin of the haze sensor U5, a VCC pin of the traffic flow density sensor U4, a VCC pin of the ambient illumination sensor U3, a VCC pin of the first illumination sensor, a VCC pin of the second illumination sensor, a VCC pin of the third illumination sensor and a VCC pin of the fourth illumination sensor are connected, the other end of the sixth capacitor C6 and the anode of the first diode D1 are both grounded, the FB pin of the power chip U2 is connected to one end of the fourth resistor R4 and one end of the fifth resistor R5, the other end of the fourth resistor R4 is connected with the other end of the sixth resistor R6, the COMP pin of the power chip U2 is connected with one end of the seventh capacitor C7 and one end of the eighth capacitor C8, the other end of the seventh capacitor C7 is connected to one end of a seventh resistor R7, and the other ends of the fifth resistor R5, the seventh resistor R7 and the eighth capacitor C8 are all grounded. Particularly, the model of the power supply chip U2 is MP1584 EN.

Further, the intelligent photovoltaic street lamp 700 circuit further comprises a charging interface module 600 for connecting an external device, and the storage battery 400 is connected with the external device through the charging interface module 600. In the embodiment, the storage battery 400 is connected with the external device through the charging interface module 600, and when the external device is inserted into the charging interface module 600, the storage battery 400 supplies power to realize the functions of charging and power supplying of the external device, so that mobile devices and the like can be supplemented when the electric quantity is insufficient, and the convenience of citizens' life is improved.

Specifically, for the sake of understanding, the following description is made of the control process of the entire circuit:

(1) the solar photovoltaic panel receives sunlight and converts the solar energy into electric energy to be stored in a slow-release electromagnetic system;

(2) the power supply circuit 500 converts the 12V direct-current voltage of the storage battery 400 into 5V direct-current voltage to supply power to the main control chip U1, the first illuminance sensor, the second illuminance sensor, the third illuminance sensor, the fourth illuminance sensor, the environment illuminance sensor U3, the haze sensor U5 and the vehicle current density sensor U4;

(3) after the first illuminance sensor, the second illuminance sensor, the third illuminance sensor and the fourth illuminance sensor are powered on, the sunlight intensity of four side surfaces of the solar photovoltaic panel is respectively detected, a main control chip U1 collects the detection results of the four illuminance sensors, and the rotation of the rotary holder 800 is controlled to adjust the angle from the solar photovoltaic panel to the angle at which the sunlight intensity of the four illuminance sensors is consistent;

(4) after the environment illumination sensor U3, the haze sensor U5 and the traffic density sensor U4 are electrified, the environment illumination, the traffic density and the haze concentration around the street lamp are respectively detected, the main control chip U1 collects detection results, and the brightness of the street lamp 700 is controlled according to preset grading.

Specifically, the detection control process of the environment illumination sensor, the haze sensor, the traffic density sensor and the main control chip is as follows:

s10, detecting whether the night is achieved, if so, executing a step S11, otherwise, executing a step S12;

s11, disconnecting the normally closed contact of the street lamp control relay to turn off the lamp;

s12, acquiring the current haze concentration and the ambient illumination;

s13, obtaining an initial value of the brightness level;

s14, detecting the current traffic density, if the traffic density is 1 level, executing the step S15, if the traffic density is 2 levels, executing the step S16, and if the traffic density is 3 levels, executing the step S17;

s15, adding 1 to the brightness level;

s16, keeping the brightness level unchanged;

s17 subtracting 1 from the brightness level;

and S18, controlling the brightness of the street lamp according to the current brightness level.

Based on foretell intelligent photovoltaic street lamp circuit, please refer to and draw in fig. 1 to 7, the utility model also provides a street lamp, including street lamp body and the above intelligent photovoltaic street lamp circuit, intelligent photovoltaic street lamp circuit sets up this internal and control street lamp luminance through the control relay in the street lamp body at the street lamp, and rotatory cloud platform sets up at the street lamp top, and the solar photovoltaic board sets up on rotatory cloud platform. Since the intelligent photovoltaic street lamp circuit has been described in detail above, no further description is given here.

To sum up, the utility model provides an intelligence photovoltaic street lamp circuit and street lamp, include: the solar module is used for converting solar energy into electric energy and detecting the sunlight intensity; the environment detection circuit is used for detecting the ambient illumination, the traffic flow density and the haze concentration; the main control circuit is connected with the solar module and the environment detection circuit and is used for acquiring a sunlight intensity signal and adjusting the illumination intensity of the street lamp according to the detection result of the environment detection circuit; the storage battery is connected with the solar module and used for storing electric energy; and the power supply circuit is connected with the storage battery and the external equipment, is used for DC-DC conversion and supplies power to the main control circuit, the environment detection circuit and the external equipment. The utility model discloses an environment detection circuitry detects environment illuminance, vehicle flow density and haze concentration, and accurate light control has been realized to rethread master control circuit according to testing result control street lamp illumination intensity.

It should be understood that equivalent alterations and modifications can be made by those skilled in the art according to the technical solution of the present invention and the inventive concept thereof, and all such alterations and modifications should fall within the scope of the appended claims.

Claims

1. An intelligent photovoltaic street lamp circuit, comprising:

the solar module is used for converting solar energy into electric energy and detecting the sunlight intensity;

the environment detection circuit is used for detecting the ambient illumination, the traffic flow density and the haze concentration;

the main control circuit is connected with the solar module and the environment detection circuit and is used for generating a first signal according to the sunlight intensity and adjusting the illumination intensity of the street lamp in a grading manner according to the detection result of the environment detection circuit;

the storage battery is connected with the solar module and used for storing electric energy;

and the power supply circuit is connected with the storage battery and the external equipment, is used for DC-DC conversion and supplies power to the main control circuit, the environment detection circuit and the external equipment.

2. The intelligent photovoltaic street lamp circuit according to claim 1, further comprising a rotating cradle head for rotating according to a control signal generated by the main control circuit receiving the daylight intensity signal, wherein the solar module is disposed on the rotating cradle head.

3. The intelligent photovoltaic street light circuit as recited in claim 2, wherein the solar module comprises:

the solar photovoltaic panel is arranged on the rotating holder and used for converting solar energy into electric energy;

the first illuminance sensor, the second illuminance sensor, the third illuminance sensor and the fourth illuminance sensor are respectively arranged on four side surfaces of the solar photovoltaic panel and are used for detecting the sunlight intensity;

the solar photovoltaic panel is connected with the storage battery, and the first illuminance sensor, the second illuminance sensor, the third illuminance sensor and the fourth illuminance sensor are respectively connected with the master control circuit.

4. The intelligent photovoltaic street lamp circuit as recited in claim 3, wherein the environment detection circuit comprises:

the environment illumination sensor is connected with the main control circuit and used for detecting environment illumination;

the haze sensor is connected with the main control circuit and used for detecting haze concentration;

and the traffic density sensor is connected with the main control circuit and is used for detecting the traffic density.

5. The intelligent photovoltaic street lamp circuit according to claim 4, wherein the main control circuit comprises a main control chip, a crystal oscillator, a first capacitor, a second capacitor and a third capacitor, the P1.2 pin of the main control chip is connected with the OUT pin of the traffic density sensor, the P1.3 pin of the main control chip is connected with the PWM controller of the street lamp body, the P1.5 pin, the P1.6 pin and the P1.7 pin of the main control chip are respectively connected with the SCL pin, the SDA pin and the ADDR pin of the ambient light sensor, the P3.0/RXD pin and the P3.1/TXD pin of the main control chip are respectively connected with the transmitting end and the receiving end of the haze sensor, the P2.4 pin, the P2.5 pin, the P2.6 pin and the P2.7 pin of the main control chip are respectively connected with the SDA pin of the first light intensity sensor, the second light intensity sensor, the SDA pin of the third light intensity sensor and the SDA pin of the fourth light intensity sensor, the SCL pin of the first illumination sensor, the SCL pin of the second illumination sensor, the SCL pin of the third illumination sensor and the SCL pin of the fourth illumination sensor are all connected with the P1.6 pin of the main control chip, the ADDR pin of the first illumination sensor, the ADDR pin of the second illumination sensor, the ADDR pin of the third illumination sensor and the ADDR pin of the fourth illumination sensor are all connected with the P1.7 pin of the main control chip, and the A8/P2.0 pin, the A9/P2.1 pin, the A10/P2.2 pin and the A11/P2.3 pin of the main control chip are connected with the first relay, the second relay, the third relay and the second relay of the rotating holder; the one end of crystal oscillator is connected with the one end of XTAL2 foot and the first electric capacity of main control chip, the other end of crystal oscillator is connected with the XTAL1 foot of crystal oscillator and the one end of second electric capacity, the other end of first electric capacity reaches the other end of second electric capacity all grounds, the one end of third electric capacity is connected with the VCC foot and the power of main control chip, the other end of third electric capacity with the GND foot of main control chip all grounds.

6. The intelligent photovoltaic street lamp circuit as recited in claim 5, wherein the power supply circuit comprises: the power supply circuit comprises a power supply chip, a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, a sixth resistor, a seventh resistor, a fourth capacitor, a fifth capacitor, a sixth capacitor, a seventh capacitor, an eighth capacitor, an electrolytic capacitor, a first inductor and a first diode;

the VIN foot of power chip is connected with the one end of first resistance, the one end of fourth electric capacity, electrolytic capacitor's one end and the positive pole of battery, the EN foot of power chip with the other end of first resistance, the one end of second resistance are connected, the other end of second resistance, the other end of fourth electric capacity and electrolytic capacitor's negative pole all ground connection, the FREQ foot of power chip with the one end of third resistance is connected, the GND foot of power chip and the other end of third resistance all ground connection, the SW foot of power chip and the one end of fifth electric capacity, the one end of first inductance and the negative pole of first diode are connected, the other end of fifth electric capacity with the BST foot of power chip is connected, the other end of first inductance and the one end of sixth electric capacity, the one end of sixth resistance, the VCC foot of main control chip, the VCC foot of haze sensor, the VCC foot of car current density sensor, The LED illumination control circuit comprises an ambient illumination sensor, a first illumination sensor, a second illumination sensor, a third illumination sensor, a fourth illumination sensor, a sixth capacitor, a first diode, a second diode, a power chip, a third capacitor, a fifth resistor, a sixth resistor, a COMP (complementary metal oxide semiconductor) pin, a seventh capacitor, an eighth capacitor, a fifth resistor, a sixth resistor, a COMP pin, a seventh resistor, an eighth capacitor, a fifth resistor, a sixth resistor, a seventh capacitor, a seventh resistor, a.

7. The intelligent photovoltaic street lamp circuit according to claim 6, wherein the main control chip is a single chip microcomputer with the model of STC89C52, and the model of the power supply chip is MP1584 EN.

8. The intelligent photovoltaic street lamp circuit as claimed in claim 7, wherein the first, second, third, fourth and ambient light sensors are all model numbers BH1750FVI, the traffic density sensor is model number QLRA18-D3NK, and the haze sensor is model number SDS 011.

9. The intelligent photovoltaic street lamp circuit according to claim 8, further comprising a charging interface module for connecting an external device, wherein the storage battery is connected with the external device through the charging interface module.

10. A street lamp is characterized by comprising a street lamp body and the intelligent photovoltaic street lamp circuit as claimed in any one of claims 1 to 9, wherein the intelligent photovoltaic street lamp circuit is arranged in the street lamp body and controls the brightness of the street lamp through a control relay in the street lamp body, the rotating cradle head is arranged at the top of the street lamp, and the solar photovoltaic panel is arranged on the rotating cradle head.