CN114916113A - Intelligent street lamp energy-saving system and method based on FPGA and storage medium - Google Patents
Intelligent street lamp energy-saving system and method based on FPGA and storage medium Download PDFInfo
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- 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
- H05B47/115—Controlling the light source in response to determined parameters by determining the presence or movement of objects or living beings
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- H—ELECTRICITY
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- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
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- H05B47/155—Coordinated control of two or more light sources
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- 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
- H05B47/175—Controlling the light source by remote control
- H05B47/19—Controlling the light source by remote control via wireless transmission
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Abstract
The application discloses an intelligent street lamp energy-saving system and method based on an FPGA and a storage medium. The system comprises: the system comprises a regional control terminal, an inductive proximity sensor and a street lamp control circuit; the area control terminal comprises a PCB, an FPGA chip and a wireless module, wherein the FPGA chip and the wireless module are arranged on the PCB; the inductive proximity sensor is connected with the FPGA chip in the area control terminal; the inductive proximity sensor is arranged below the road surface and used for generating eddy current under the condition that a metal object is close to the area to which the area control terminal belongs and sending induction data determined based on the eddy current to the FPGA chip; the wireless module is connected with the FPGA chip and is used for communicating with the regional control terminals in other regions; the FPGA chip is connected with the street lamps in the area through the street lamp control circuit and is used for controlling the on-off of the street lamps in the area. This application has realized reasonable branch road section control street lamp through above-mentioned system, comes the saving power resource.
Description
Technical Field
The application relates to the technical field of FPGA application, in particular to an intelligent street lamp energy-saving system and method based on FPGA and a storage medium.
Background
At present, the traffic of China is increasingly developed, the total highway mileage breaks through 500 kilometers, the highway reaches 15 kilometers, and the highway is the first place in the world. The four-way and eight-reach road promotes the rapid development of national economy, brings great convenience for people to go out, and the street lamps beside the road shine when the night screen falls. The quantity of street lamps is so huge that the amount of electricity consumed every day is also huge. Most street lamps are lighted up at about 6 o' clock in the evening and are turned off in time in the early morning. For a luxurious street lamp, vehicles shuttle back and forth, the street lamp is normally on, and for a road section with small traffic flow, the street lamp is normally on at night, so that a large amount of electric quantity and energy is inevitably consumed. Therefore, how to reasonably control the street lamp by the branch section to save the power resource becomes a technical problem to be solved urgently.
Disclosure of Invention
The embodiment of the application provides an intelligent street lamp energy-saving system based on an FPGA, a method and a storage medium, which are used for solving the following technical problems: how to reasonably control the street lamps in the branch sections to save power resources.
In a first aspect, an embodiment of the present application provides an intelligent street lamp energy saving system based on an FPGA, which is characterized in that the system includes: the system comprises a regional control terminal, an inductive proximity sensor and a street lamp control circuit; the area control terminal comprises a PCB, an FPGA chip and a wireless module, wherein the FPGA chip and the wireless module are arranged on the PCB; the inductive proximity sensor is connected with the FPGA chip in the area control terminal; the inductive proximity sensor is arranged below the road surface and used for generating eddy current under the condition that a metal object is close to the area to which the area control terminal belongs and sending induction data determined based on the eddy current to the FPGA chip; the wireless module is connected with the FPGA chip and is used for communicating with the regional control terminals in other regions; the FPGA chip is connected with the street lamps of the affiliated area through the street lamp control circuit and is used for controlling the on-off of the street lamps of the affiliated area.
In one implementation of the present application, an FPGA chip includes: the device comprises a data processing module, a control module and a communication module; the data processing module is used for receiving induction data sent by the inductive proximity sensor and judging whether a vehicle approaches or not based on the induction data; the control module is used for generating a street lamp switch control instruction based on the judgment information sent by the data processing module; the communication module is used for generating communication information communicated with the area control terminals in other areas.
In one implementation manner of the present application, the area control terminal further includes: peripheral electronics; the peripheral electronic device includes: an SPI interface; the SPI interface is used for connecting the wireless module and the FPGA chip so as to enable the wireless module and the FPGA chip to realize information interaction.
In one implementation of the present application, the system further comprises: a comparator; the comparator is used for connecting the inductive proximity sensor and the FPGA chip; the comparator is also used for converting analog voltage data output by the inductive proximity sensor into digital sensing data.
In one implementation of the present application, the system further comprises: a high-frequency induction coil; the high-frequency induction coil is arranged below the road surface, is connected with the inductive proximity sensor and is used for increasing the inductive area of the inductive proximity sensor.
In a second aspect, an embodiment of the present application further provides an intelligent street lamp energy saving method based on an FPGA, which is applied to an intelligent street lamp energy saving system, and the method includes: the first FPGA chip receives first sensing data sent by an inductive proximity sensor located at a first sensing position, and determines whether a vehicle passes through the first sensing data; the first FPGA chip is an FPGA chip in a first area control terminal, and the first induction position is located at the initial position of the first area; under the condition that a vehicle passes through the first induction position, the first FPGA chip controls all street lamps in the first area to be lightened through the first street lamp control circuit, and sends information that the vehicle passes through the first induction position to a second area control terminal corresponding to the second area through the wireless module, so that the second area control terminal lightens partial street lamps in the second area based on the information; the second area is the next area corresponding to the advancing direction of the vehicle; the information is sent to a third area control terminal corresponding to a third area through a wireless module, so that the third area control terminal extinguishes part of street lamps in the third area based on the information; and the third area is positioned in the last area corresponding to the advancing direction of the vehicle.
In one implementation of the present application, an FPGA chip includes: the device comprises a data processing module, a control module and a communication module; the data processing module is used for receiving induction data sent by the inductive proximity sensor and judging whether a vehicle approaches or not based on the induction data; the control module is used for generating a street lamp switch control instruction based on the judgment information sent by the data processing module; the communication module is used for generating communication information communicated with the area control terminals in other areas.
In one implementation manner of the present application, the area control terminal further includes: peripheral electronics; the peripheral electronic device includes: an SPI interface; the SPI interface is used for connecting the wireless module and the FPGA chip so as to enable the wireless module and the FPGA chip to realize information interaction.
In one implementation of the present application, the system further comprises: a comparator, a high-frequency induction coil; the comparator is used for connecting the inductive proximity sensor and the FPGA chip; the comparator is also used for converting the analog voltage data output by the inductive proximity sensor into digital induction data; the high-frequency induction coil is arranged below the road surface, is connected with the inductive proximity sensor and is used for increasing the inductive area of the inductive proximity sensor.
In a third aspect, an embodiment of the present application further provides a non-volatile computer storage medium for energy saving of an intelligent street lamp based on an FPGA, where computer-executable instructions are stored, where the computer-executable instructions are set as: the first FPGA chip receives first sensing data sent by an inductive proximity sensor located at a first sensing position, and determines whether a vehicle passes through the first sensing data; the first FPGA chip is an FPGA chip in a first area control terminal, and the first induction position is located at the initial position of the first area; under the condition that a vehicle passes through the first induction position, the first FPGA chip controls all street lamps in the first area to be lightened through the first street lamp control circuit, and sends information that the vehicle passes through the first induction position to a second area control terminal corresponding to the second area through the wireless module, so that the second area control terminal lightens partial street lamps in the second area based on the information; the second area is the next area corresponding to the advancing direction of the vehicle; the information is sent to a third area control terminal corresponding to a third area through a wireless module, so that the third area control terminal extinguishes part of street lamps in the third area based on the information; and the third area is positioned in the last area corresponding to the advancing direction of the vehicle.
According to the intelligent street lamp energy-saving system, method and storage medium based on the FPGA, aiming at the problem of resource consumption caused by the fact that the street lamps are usually lighted at night, the FPGA adopted by the intelligent street lamp energy-saving system controls the street lamps in the area to be lighted, the maximum street lamp number lighted at one time is the sum of the street lamps in two adjacent areas, and the intelligent street lamp energy-saving system is used for the road section with few vehicles at night, so that the time for lighting the street lamps can be reasonably controlled, and much electric energy is saved.
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The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a schematic structural diagram of an intelligent street lamp energy saving system based on an FPGA according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of an energy saving system of a regional intelligent street lamp according to an embodiment of the present application;
fig. 3 is a flowchart of an energy saving method for an intelligent street lamp based on an FPGA according to an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only a few embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The embodiment of the application provides an intelligent street lamp energy-saving system based on an FPGA, a method and a storage medium, which are used for solving the following technical problems: how to reasonably control the street lamps in the branch sections to save power resources.
The technical solutions proposed in the embodiments of the present application are described in detail below with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of an intelligent street lamp energy saving system based on an FPGA according to an embodiment of the present application. As shown in fig. 1, an intelligent street lamp energy saving system based on an FPGA provided in an embodiment of the present application includes: the device comprises a region control terminal, an inductive proximity sensor and a street lamp control circuit.
Further, as shown in fig. 1, the street lamps in each area and the inductive proximity sensors in each area are controlled by the corresponding FPGA chip in each area control terminal, and the area control terminals in each area communicate wirelessly.
Fig. 2 is a schematic structural diagram of an energy saving system of a regional intelligent street lamp according to an embodiment of the present application, and as shown in fig. 2, the energy saving system of the regional intelligent street lamp includes: the sensor comprises a high-frequency induction coil 201, an inductive proximity sensor 202, a comparator 203, an FPGA chip 204, an SPI interface 205 and a wireless module 205. Wherein, FPGA chip 204 includes: a communication module 211, a control module 212, and a data processing module 213.
In one embodiment of the present application, the inductive proximity sensor 202 is disposed below the roadway for generating an eddy current in the presence of a metallic object proximate to the zone to which the zone control terminal belongs to determine a corresponding dynamic voltage based on the eddy current.
Further, as shown in fig. 2, the inductive proximity sensor 202 is connected to the FPGA chip 204 of the area control terminal through the comparator 203. It should be noted that the dynamic voltage output by the inductive proximity sensor 202 is a continuous analog quantity, and the FPGA chip 204 calculates a discontinuous binary digital quantity. The comparator 203 can convert the analog voltage data output by the inductive proximity sensor 202 into binary digital sensing data, and therefore, the comparator 203 is used to connect the inductive proximity sensor 202 and the FPGA chip 204 in the embodiment of the present application.
Further, in order to increase the inductive area of the inductive proximity sensor 202, the inductive proximity sensor 202 is further provided with a high-frequency induction coil 201 in the embodiment of the present application. It will be appreciated that the high frequency induction coil 201 is also disposed below the roadway and is connected to the inductive proximity sensor 202.
It should be noted that the inductive proximity sensor is a proximity switch for sensing the approach of an object by using eddy current. It is composed of high-frequency oscillation circuit, detection circuit, amplification circuit, shaping circuit and output circuit. The sensing sensitive element is a detection coil which is a component of an oscillating circuit, and an alternating magnetic field exists on the working surface of the detection coil. When the metal object approaches the detection coil, the metal object generates an eddy current to absorb oscillation energy, so that oscillation is weakened until the oscillation stops. Therefore, the inductive proximity sensor can be provided with a high-frequency induction coil, so that the inductive area of the inductive proximity sensor can be increased.
It is understood that in a certain area, the combination of the high frequency induction coil 201, the inductive proximity sensor 202 and the comparator 203 may be arranged in several groups.
In one embodiment of the present application, as shown in fig. 2, the FPGA chip 204 includes: a communication module 211, a control module 212, and a data processing module 213. The data processing module 213 is configured to receive sensing data sent by the inductive proximity sensor 202 through the comparator 203, and determine whether a vehicle approaches based on the sensing data; the control module 212 is configured to generate a street lamp switch control instruction based on the determination information sent by the data processing module; the communication module 213 is configured to generate communication information for communicating with the area control terminals in the other areas.
In an embodiment of the present application, as shown in fig. 2, the area control terminal further includes: peripheral electronics SPI interface 205, SPI interface 206 are used for wireless module 206 to be connected with FPGA chip 204 to make wireless module 206 and FPGA chip 205 realize information interaction.
It is understood that the local control terminal may also include other necessary peripheral electronic devices, such as a power interface, a power chip, a clock chip, and necessary resistors and capacitors.
In an embodiment of the present application, preferably, the FPGA chip adopts XC6SLX4 of spark 6 series of Xilinx, and is correspondingly packaged as TQG144, where there are 102 available IO resources, and there are many IO resources, and the FPGA chip can connect multiple sensors and street lamps.
Further, preferably, the wireless module adopts 2.4GHz NRF24L01 with low power consumption, the chip has 125 RF channels, and the rate of 1 SPI interface can reach 8 Mbps. The NRF24L01 may operate in the frequency range of 2.4GHz-2.5 GHz. The NRF24L01 mainly receives digital sensing data sent by the FPGA in the area through the SPI interface and communicates with wireless modules in other areas through an RF channel.
Based on the same inventive concept, the embodiment of the application also provides an intelligent street lamp energy-saving method based on the FPGA, and the flow of the method is shown in FIG. 3.
Fig. 3 is a flowchart of an energy saving method for an intelligent street lamp based on an FPGA according to an embodiment of the present application. As shown in fig. 3, the method for saving energy of an intelligent street lamp based on an FPGA in the embodiment of the present application specifically includes the following steps:
step 101, a first FPGA chip receives first sensing data sent by an inductive proximity sensor located at a first sensing position, and determines whether a vehicle passes through or not based on the first sensing data.
It can be understood that the first FPGA chip is an FPGA chip in the first area control terminal, and the first sensing position is located at the start position of the first area.
In one embodiment of the present application, an FPGA chip includes: the device comprises a data processing module, a control module and a communication module; the data processing module is used for receiving induction data sent by the inductive proximity sensor and judging whether a vehicle approaches or not based on the induction data; the control module is used for generating a street lamp switch control instruction based on the judgment information sent by the data processing module; the communication module is used for generating communication information communicated with the area control terminals in other areas.
In one embodiment of the present application, the area control terminal further includes: peripheral electronics; the peripheral electronic device includes: an SPI interface; the SPI interface is used for connecting the wireless module and the FPGA chip so as to enable the wireless module and the FPGA chip to realize information interaction.
102, under the condition that it is determined that a vehicle passes through the first induction position, the first FPGA chip controls all street lamps in the first area to be lightened through the first street lamp control circuit, and sends information that the vehicle passes through the first induction position to a second area control terminal corresponding to the second area through the wireless module, so that the second area control terminal lightens part of street lamps in the second area based on the information. The second region is a next region corresponding to the vehicle forward direction.
The following is a detailed description by way of example one:
the first example is as follows: assuming that a certain vehicle enters the area 1, the inductive proximity sensor at the first sensing position senses the vehicle to generate an eddy current and output a corresponding dynamic voltage, the generated digital sensing data is sent to an FPGA chip of the area control terminal after analog-to-digital conversion is carried out by a comparator, the FPGA chip controls and lights all street lamps in the area 1 after data processing, and simultaneously sends the information of the vehicle passing through the first sensing position to the wireless module through the SPI interface so as to send the information to the wireless module of the area control terminal in the area 2 through the wireless module of the area 1; the area 2 is the next area corresponding to the vehicle forward direction. The wireless module of the area 2 transmits the received data information to the FPGA of the area 2 through the SPI interface of the area 2, so that after the FPGA of the area 2 receives the data, partial street lamps in the area 2 are controlled to be lightened.
And 103, sending the information to a third area control terminal corresponding to the third area through the wireless module, so that the third area control terminal extinguishes part of street lamps in the third area based on the information.
It should be noted that, in this embodiment of the application, when the wireless module sends the information that the vehicle passes through the first sensing position to the second area control terminal corresponding to the second area through the wireless module, the information is also sent to the third area control terminal corresponding to the third area through the wireless module, so that the third area control terminal turns off part of the street lamps in the third area based on the information. And the third area is positioned in the last area corresponding to the advancing direction of the vehicle.
The following is described in detail by way of example two, which further exemplifies example one:
example two: the wireless module of the area 1 sends the information to the wireless module of the area control terminal in the area 2 and also sends the information to the wireless module of the area control terminal in the area 3; the area 3 is the previous area corresponding to the vehicle advancing direction, that is, the previous area through which the vehicle passes immediately before reaching the area 1. The wireless module of the area 3 transmits the received data information to the FPGA of the area 3 through the SPI interface of the area 3, so that after the FPGA of the area 3 receives the data, partial street lamps in the area 3 are controlled to be turned off.
In one embodiment of the present application, the maximum number of street lamps lighted at a time can be set as the sum of the street lamps in two adjacent areas, and the number of lighted street lamps in the two areas in front of and behind the area where the vehicle is located relatively increases and decreases along with the movement of the vehicle.
In one embodiment of the present application, the system further comprises: a comparator, a high-frequency induction coil; the comparator is used for connecting the inductive proximity sensor and the FPGA chip; the comparator is also used for converting the analog voltage data output by the inductive proximity sensor into digital induction data; the high-frequency induction coil is arranged below the road surface, is connected with the inductive proximity sensor and is used for increasing the inductive area of the inductive proximity sensor.
Some embodiments of the present application provide a non-volatile computer storage medium corresponding to fig. 3 for energy saving of an intelligent FPGA-based street lamp, which stores computer executable instructions configured to:
the method comprises the steps that a first FPGA chip receives first induction data sent by an inductive proximity sensor located at a first induction position, and whether a vehicle passes through or not is determined based on the first induction data; the first FPGA chip is an FPGA chip in a first area control terminal, and the first induction position is located at the initial position of the first area;
under the condition that a vehicle passes through the first induction position, the first FPGA chip controls all street lamps in the first area to be lightened through the first street lamp control circuit, and sends information that the vehicle passes through the first induction position to a second area control terminal corresponding to the second area through the wireless module, so that the second area control terminal lightens partial street lamps in the second area based on the information; the second area is the next area corresponding to the advancing direction of the vehicle; and the number of the first and second groups,
sending the information to a third area control terminal corresponding to a third area through a wireless module, so that the third area control terminal extinguishes part of street lamps in the third area based on the information; and the third area is positioned in the last area corresponding to the advancing direction of the vehicle.
The embodiments in the present application are described in a progressive manner, and the same and similar parts among the embodiments can be referred to each other, and each embodiment focuses on the differences from the other embodiments. Especially, for the internet of things device and medium embodiments, since they are substantially similar to the method embodiments, the description is simple, and the relevant points can be referred to the partial description of the method embodiments.
The system and the medium provided by the embodiment of the application correspond to the method one to one, so the system and the medium also have the beneficial technical effects similar to the corresponding method.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
In a typical configuration, a computing device includes one or more processors (CPUs), input/output interfaces, network interfaces, and memory.
The memory may include forms of volatile memory in a computer readable medium, Random Access Memory (RAM) and/or non-volatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM). Memory is an example of a computer-readable medium.
Computer-readable media, including both permanent and non-permanent, removable and non-removable media, may implement the information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), Read Only Memory (ROM), Electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), Digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium that can be used to store information that can be accessed by a computing device. As defined herein, a computer readable medium does not include a transitory computer readable medium such as a modulated data signal and a carrier wave.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (10)
1. The utility model provides an intelligence street lamp economizer system based on FPGA which characterized in that, the system includes: the system comprises a regional control terminal, an inductive proximity sensor and a street lamp control circuit;
the area control terminal comprises a PCB, an FPGA chip and a wireless module, wherein the FPGA chip and the wireless module are arranged on the PCB;
the inductive proximity sensor is connected with the FPGA chip in the area control terminal;
the inductive proximity sensor is arranged below a road surface and used for generating an eddy current under the condition that a metal object is close to an area to which an area control terminal belongs and sending induction data determined based on the eddy current to the FPGA chip;
the wireless module is connected with the FPGA chip and is used for communicating with the area control terminals in other areas;
the FPGA chip is connected with the street lamps of the affiliated area through the street lamp control circuit and is used for controlling the on-off of the street lamps of the affiliated area.
2. The intelligent street lamp energy-saving system based on the FPGA as recited in claim 1,
the FPGA chip comprises: the device comprises a data processing module, a control module and a communication module;
the data processing module is used for receiving induction data sent by the inductive proximity sensor and judging whether a vehicle approaches or not based on the induction data; the control module is used for generating a street lamp switch control instruction based on the judgment information sent by the data processing module; the communication module is used for generating communication information communicated with the area control terminals in other areas.
3. The intelligent street lamp energy-saving system based on FPGA of claim 1, characterized in that, the regional control terminal further comprises: peripheral electronics;
the peripheral electronic device includes: an SPI interface;
the SPI interface is used for connecting the wireless module and the FPGA chip so as to enable the wireless module and the FPGA chip to realize information interaction.
4. The intelligent street lamp energy-saving system based on the FPGA of claim 1, wherein the system further comprises: a comparator;
the comparator is used for connecting the inductive proximity sensor and the FPGA chip;
the comparator is also used for converting analog voltage data output by the inductive proximity sensor into digital sensing data.
5. The intelligent street lamp energy-saving system based on the FPGA of claim 1, wherein the system further comprises: a high-frequency induction coil;
the high-frequency induction coil is arranged below the road surface, is connected with the inductive proximity sensor and is used for increasing the inductive area of the inductive proximity sensor.
6. An intelligent street lamp energy-saving method based on an FPGA is characterized by being applied to an intelligent street lamp energy-saving system, and the method comprises the following steps:
the method comprises the steps that a first FPGA chip receives first induction data sent by an inductive proximity sensor located at a first induction position, and whether a vehicle passes through or not is determined based on the first induction data; the first FPGA chip is an FPGA chip in a first area control terminal, and the first induction position is located at the initial position of the first area;
under the condition that a vehicle passes through the first induction position, the first FPGA chip controls all street lamps in a first area to be lightened through a first street lamp control circuit, and sends information that the vehicle passes through the first induction position to a second area control terminal corresponding to a second area through a wireless module, so that the second area control terminal lightens partial street lamps in the second area based on the information; the second area is the next area corresponding to the advancing direction of the vehicle; and the number of the first and second groups,
sending the information to a third area control terminal corresponding to a third area through the wireless module, so that the third area control terminal extinguishes part of street lamps in the third area based on the information; wherein the third region is located in a previous region corresponding to a vehicle advancing direction.
7. The intelligent street lamp energy-saving method based on the FPGA of claim 6, wherein the FPGA chip comprises: the device comprises a data processing module, a control module and a communication module;
the data processing module is used for receiving induction data sent by the inductive proximity sensor and judging whether a vehicle approaches or not based on the induction data; the control module is used for generating a street lamp switch control instruction based on the judgment information sent by the data processing module; the communication module is used for generating communication information communicated with the area control terminals in other areas.
8. The intelligent street lamp energy-saving method based on the FPGA of claim 6, wherein the area control terminal further comprises: peripheral electronics;
the peripheral electronic device includes: an SPI interface;
the SPI is used for connecting the wireless module and the FPGA chip so as to enable the wireless module and the FPGA chip to realize information interaction.
9. The intelligent street lamp energy-saving method based on the FPGA of claim 6, wherein the system further comprises: a comparator, a high-frequency induction coil;
the comparator is used for connecting the inductive proximity sensor and the FPGA chip;
the comparator is also used for converting analog voltage data output by the inductive proximity sensor into digital sensing data;
the high-frequency induction coil is arranged below the road surface, is connected with the inductive proximity sensor and is used for increasing the inductive area of the inductive proximity sensor.
10. A non-volatile computer storage medium for energy conservation for intelligent street lamps based on an FPGA, storing computer-executable instructions, wherein the computer-executable instructions are configured to:
the method comprises the steps that a first FPGA chip receives first induction data sent by an inductive proximity sensor located at a first induction position, and whether a vehicle passes through or not is determined based on the first induction data; the first FPGA chip is an FPGA chip in a first area control terminal, and the first induction position is located at the initial position of the first area;
under the condition that a vehicle passes through the first induction position, the first FPGA chip controls all street lamps in a first area to be lightened through a first street lamp control circuit, and sends information that the vehicle passes through the first induction position to a second area control terminal corresponding to a second area through a wireless module, so that the second area control terminal lightens part of street lamps in the second area based on the information; the second area is the next area corresponding to the advancing direction of the vehicle; and the number of the first and second groups,
sending the information to a third area control terminal corresponding to a third area through the wireless module, so that the third area control terminal extinguishes part of street lamps in the third area based on the information; wherein the third region is located in a previous region corresponding to a vehicle advancing direction.
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