Intelligent street lamp positioning method, power supply system thereof, equipment and medium
By installing UWB mobile base stations on mobile vehicles to interact with the UWB module of smart street lights, the existing street light positioning method is high, easy to produce, and low enrollment efficiency. Automatic entry.
Patent Information
- Application Number
- CN202411360177.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-27
- Publication Date
- 2025-01-21
AI Technical Summary
The existing street light positioning methods have high manpower and material costs, are prone to errors and have low entry efficiency.
By installing a UWB mobile base station on a moving vehicle, it interacts with the UWB module of the smart street light, obtains the SN code and built-in positioning information of the smart street light, calculates the offset, and finally determines the final positioning information of the smart street light based on the GPS positioning information. And automatically uploaded to the street light management platform.
It reduces equipment costs, ensures centimeter-level positioning accuracy, reduces manual entry errors and labor costs, and improves entry efficiency.
Smart Images
Figure CN119335574A_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the field of street lamp positioning, and in particular to an intelligent street lamp positioning method and its power supply system, equipment and medium. Background Art
[0002] With the rapid development of street lamp power supply, the pursuit of intelligent power supply is increasing day by day. For the current street lamp positioning and street lamp management platform entry solutions, there are currently two core solutions: 1. Each street lamp needs to be installed with a GPS device, but the cost of GPS equipment is high and the cost performance is low. 2. Scan the QR code of the street lamp through the mobile phone APP, and manually enter the mobile phone's positioning and the SN code of the street lamp into the platform. However, this manual entry method is prone to entry errors on the one hand, and requires a large number of manual checks and entry one by one on the other hand, which is time-consuming and complicated to operate, resulting in low entry efficiency. Summary of the invention
[0003] The purpose of this application is to provide an intelligent street lamp positioning method and its power supply system, equipment and medium to solve the problems of high manpower and material costs, easy errors and low input efficiency in existing street lamp positioning methods.
[0004] To achieve the above objectives, this application provides the following solutions:
[0005] In a first aspect, the present application provides a smart street lamp positioning method, comprising:
[0006] Obtaining GPS positioning information of the UWB mobile base station on the mobile vehicle and the self-contained positioning information of the smart street lamp; the UWB mobile base station positioning information includes the longitude and latitude of the current location of the UWB mobile base station; the self-contained positioning information of the smart street lamp is the longitude and latitude of the power system positioning of the smart street lamp;
[0007] The UWB mobile base station is used to exchange information with the power supply system of the smart street lamp to obtain the SN code of the smart street lamp; the power supply system has a built-in UWB module; the UWB module is used to determine the self-contained positioning information of the smart street lamp;
[0008] Determine an offset from the smart street lamp to the UWB mobile base station according to the UWB mobile base station positioning information and the self-contained positioning information of the smart street lamp;
[0009] Determine the final positioning information of the smart street lamp according to the GPS positioning information and the offset; the final positioning information of the smart street lamp includes the longitude and latitude of the smart street lamp;
[0010] The UWB mobile base station is used to automatically upload the final positioning information of the smart street lamp and the SN code to the street lamp management platform.
[0011] In a second aspect, the present application provides a power supply system for a smart street lamp, comprising a UWB module, a 4G Cat.1 module and an LED constant current drive module as described in any one of claims 1 to 5;
[0012] The UWB module is used to exchange information with the UWB mobile base station and send the SN code of the smart street lamp and the self-positioning information of the smart street lamp to the UWB mobile base station;
[0013] The 4G Cat.1 module is used to automatically report street light information and alarm information to the street light management platform, and receive control instructions from the street light management platform; the control instructions include street light on instructions, street light off instructions, street light dimming instructions, and data collection instructions;
[0014] The LED constant current driving module is used to supply power to the smart street lamp.
[0015] In a third aspect, the present application provides a computer device, comprising: a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor executes the computer program to implement any of the above-described intelligent street lamp positioning methods.
[0016] In a fourth aspect, the present application provides a computer-readable storage medium having a computer program stored thereon, which, when executed by a processor, implements any of the above-described intelligent street lamp positioning methods.
[0017] According to the specific embodiments provided by the present application, the present application discloses the following technical effects: the present application provides a smart street lamp positioning method and its power supply system, device and medium, calculates the offset from the smart street lamp to the UWB mobile base station through the GPS positioning information obtained by the ultra-wideband technology (UWB) mobile base station with a built-in global positioning system (GPS) module and the self-contained positioning information determined by the UWB module of the smart street lamp, and finally determines the final positioning information of the smart street lamp based on the GPS positioning information. The present application replaces the GPS device in the street lamp with a UWB module. Since the price of the UWB module is much lower than that of the GPS device, the equipment cost is further reduced; in addition, positioning is performed based on UWB and GPS to ensure centimeter-level positioning accuracy; finally, the present application places the UWB mobile base station on a mobile vehicle, and interacts with the UWB module in real time, and uses the UWB mobile base station to upload the final calculated final positioning information of the smart street lamp and the SN code to the street lamp management platform in real time. Compared with the manual entry method, the labor cost is reduced and the possibility of manual entry errors is avoided, thereby improving the entry efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0019] Figure 1 This is a flow chart of a smart street lamp positioning method in one embodiment of the present application;
[0020] Figure 2 A schematic diagram of the relationship between a mobile vehicle and a smart street lamp provided in an embodiment of the present application;
[0021] Figure 3 A schematic diagram of an actual measurement process between a mobile vehicle and a smart street lamp provided in an embodiment of the present application;
[0022] Figure 4 A schematic diagram of the internal circuit topology of a power supply system of a smart street lamp provided in one embodiment of the present application. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.
[0024] In order to make the above-mentioned objects, features and advantages of the present application more obvious and easy to understand, the present application is further described in detail below with reference to the accompanying drawings and specific implementation methods.
[0025] like Figure 1 As shown, the intelligent street lamp positioning method provided in the embodiment of the present application is executed by a computer device, and can be specifically executed by a computer device such as a terminal or a server alone, or can be executed jointly by a terminal and a server. In the embodiment of the present application, the method includes the following steps 101 to 105.
[0026] Step 101: Obtain the GPS positioning information of the UWB mobile base station on the mobile vehicle and the built-in positioning information of the smart street lamp; the UWB mobile base station has a built-in GPS module, and the MCU main control module inside the UWB mobile base station can directly read the positioning information of the GPS module; the UWB mobile base station positioning information includes the longitude and latitude of the current location of the UWB mobile base station; the built-in positioning information of the smart street lamp is the longitude and latitude of the power system positioning of the smart street lamp.
[0027] Step 102: Use the UWB mobile base station to exchange information with the power supply system of the smart street light to obtain the SN code of the smart street light; the power supply system has a built-in UWB module; the UWB module is used to determine the self-contained positioning information of the smart street light. Among them, the SN code refers to the unique serial number of the smart street light, which is used to distinguish each street light, so that the street light management platform can be displayed on the map and accurately remotely controlled.
[0028] Step 103: Determine an offset from the smart street lamp to the UWB mobile base station according to the UWB mobile base station positioning information and the inherent positioning information of the smart street lamp.
[0029] Step 104: Determine the final positioning information of the smart street lamp according to the GPS positioning information and the offset; the final positioning information of the smart street lamp includes the longitude and latitude of the smart street lamp.
[0030] Step 105: Utilize the UWB mobile base station to automatically upload the final positioning information of the smart street lamp and the SN code to the street lamp management platform.
[0031] In an exemplary embodiment, before step 101, the method further includes: setting a UWB mobile base station at any two locations of the moving vehicle. Since two-point positioning is more accurate, UWB mobile base stations are set at any two locations of the moving vehicle to ensure positioning accuracy.
[0032] Preferably, since the front and rear of the vehicle are the farthest apart, a UWB mobile base station is respectively arranged at the front and rear of the mobile vehicle to achieve the best positioning effect.
[0033] In an exemplary embodiment, step 104, such as Figure 2 As shown, the following steps can be used instead, where d is the distance between the UWB mobile base station at the front of the vehicle and the UWB mobile base station at the rear of the vehicle, and h' is the horizontal height difference of the smart street lamp relative to the moving vehicle.
[0034] Using the formula Determine the latitude of the smart street lamp; wherein Lat_l is the latitude of the smart street lamp; Lat_i is the latitude of the UWB mobile base station located at the front or rear of the vehicle; ΔLat_i is the latitude offset between the UWB mobile base station located at the front or rear of the vehicle and the smart street lamp; It is the angle information from the UWB mobile base station located at the front or rear of the vehicle to the smart street lamp; when i=h, it represents the front of the vehicle; when i=t, it represents the rear of the vehicle.
[0035] Using the formula Determine the longitude of the smart street lamp; wherein Lat_l is the longitude of the smart street lamp; Lat_i is the longitude of the UWB mobile base station located at the front or rear of the vehicle; ΔLat_i is the longitude offset between the UWB mobile base station located at the front or rear of the vehicle and the smart street lamp; It is the angle information from the UWB mobile base station located at the front or rear of the vehicle to the smart street lamp.
[0036] The final positioning information of the intelligent street lamp is determined according to the longitude and latitude of the intelligent street lamp calculated by the UWB mobile base station located at the front of the vehicle and the longitude and latitude of the intelligent street lamp calculated by the UWB mobile base station located at the rear of the vehicle.
[0037] △Lat_i=d_i / f;where, d_i is the projection of D_i, D_i is the distance between the UWB mobile base station located at the front or rear of the vehicle and the smart street lamp; △Lon_i = d_i / (f×cos(Lat_i)); f is the distance length corresponding to 1° longitude at different latitudes, in meters, where the value of f is the largest at the equator, f=111320 meters.
[0038] In practical applications, the actual measurement process between a mobile vehicle and a smart street light is as follows: Figure 3 As shown, the present application performs positioning based on UWB and GPS, which ensures centimeter-level positioning accuracy and can achieve precise positioning; the intelligent street lamp positioning adopts UWB to replace GPS to reduce the cost of precise positioning; the UWB mobile base station can automatically obtain the SN code and positioning information of the street lamp and enter it into the platform when it is traveling on the road section to be tested, with a high degree of automation, safety and reliability.
[0039] The present application also provides a power supply system for an intelligent street lamp, comprising the above-mentioned UWB module, 4G Cat.1 module and LED constant current drive module; the UWB module is used to exchange information with the UWB mobile base station, and send the SN code of the intelligent street lamp and the built-in positioning information of the intelligent street lamp to the UWB mobile base station; the 4G Cat.1 module is used to automatically report street lamp information and alarm information to a street lamp management platform, and receive control instructions from the street lamp management platform; the control instructions include street lamp on instructions, street lamp off instructions, street lamp dimming instructions and data collection instructions; the LED constant current drive module is used to supply power to the intelligent street lamp.
[0040] Among them, the UWB module, under the drive and control of the MCU main control module, can communicate with the UWB mobile base station to achieve centimeter-level positioning.
[0041] The 4G Cat.1 module, driven and controlled by the MCU main control module, can communicate with the cellular wireless base station and realize two-way communication with the street lamp platform. The power supply system uses the mature 4G Cat.1 module.
[0042] like Figure 3 As shown, the power supply system also includes: an MCU main control module and an energy metering module connected to the MCU main control module, a power factor correction (PFC) circuit module, a resonant converter (LLC) circuit module, a tilt sensor, a digital expansion port and a watchdog; wherein the energy metering module is also connected to an electromagnetic interference (EMI) circuit module; the energy metering module, the PFC circuit module and the LLC circuit module are connected in sequence. wherein the first L in the LLC circuit module is a resonant inductor, L is a transformer excitation inductor, and C is a resonant capacitor.
[0043] MCU can realize the drive and control of the above related modules through programming. Each module coordinates the work of each module according to the required timing and logic and realizes various business logics such as switching lights, alarms and other functions. This power supply system uses a mature MCU integrated chip.
[0044] The EMI circuit module plays a role in suppressing the interference signal of the power grid and preventing the leakage of its own interference. The EMI circuit module is usually composed of passive electronic components such as varistors, common mode inductors and capacitors to form an LC filter circuit.
[0045] The electric energy metering module can detect the mains supply voltage, current, power factor and power of the power supply. This power supply system is implemented using an integrated chip + resistor sampling circuit.
[0046] The PFC circuit module can improve the power factor, improve the current harmonics, stabilize the output voltage, and make the power supply design meet the national standards and other power supply related specifications. This power supply system is implemented using an integrated chip + peripheral circuit.
[0047] LLC circuit module can realize efficient energy conversion, adapt to high-frequency operation, improve power density, and realize miniaturization and lightness of power supply. This power supply system is realized by integrated chip + peripheral circuit. This power supply system is realized by integrated chip + peripheral circuit.
[0048] The tilt sensor can detect the angle of street lamps and light poles in real time. The MCU polls the angle data to realize the tilt alarm function. The tilt sensor of this power supply is realized by an integrated chip.
[0049] The digital expansion port can realize the extended input function of digital IO signals such as proximity switches. The MCU monitors the changes in its high and low levels and can realize functions such as street light linkage.
[0050] The watchdog can monitor whether the power supply and MCU program are abnormal. Once an abnormality occurs, a hardware reset is generated, so that the MCU runs within a controllable range and can also return to normal operation as soon as possible. This power supply system uses an integrated chip to implement the watchdog function.
[0051] In an exemplary embodiment, a duplexer is further provided between the UWB module and the 4G Cat.1 module; the duplexer is used to implement duplex transmission of signals between the UWB module and the 4G Cat.1 module.
[0052] The duplexer can realize duplex transmission between the signal of the UWB module and the signal of the 4G Cat.1 module, isolate the transmit and receive signals, improve the spectrum utilization, and realize the two-in-one external antenna. This power supply system uses mature integrated chips to realize the filtering and impedance matching of the duplexer.
[0053] This application can be automatically located and entered, thus avoiding manual transcription errors.
[0054] In summary, this application has shown significant advantages in terms of accurate positioning, low cost, automation, safety and reliability, providing users with a more advanced and reliable smart street light positioning solution.
[0055] In an exemplary embodiment, a computer device is provided, which may be a server or a terminal. The computer device includes a processor, a memory, an input / output interface (I / O for short) and a communication interface. The processor, the memory and the input / output interface are connected via a system bus, and the communication interface is connected to the system bus via the input / output interface. The processor of the computer device is used to provide computing and control capabilities. The memory of the computer device includes a non-volatile storage medium and an internal memory. The non-volatile storage medium stores an operating system, a computer program and a database. The internal memory provides an environment for the operation of the operating system and the computer program in the non-volatile storage medium. The database of the computer device is used to store intelligent street lamp positioning data. The input / output interface of the computer device is used to exchange information between the processor and an external device. The communication interface of the computer device is used to communicate with an external terminal via a network connection. When the computer program is executed by the processor, a method for locating an intelligent street lamp is implemented.
[0056] In an exemplary embodiment, a computer device is provided, including a memory and a processor, wherein a computer program is stored in the memory, and the processor implements the steps in the above-mentioned method embodiments when executing the computer program.
[0057] In an exemplary embodiment, a computer-readable storage medium is provided, storing a computer program, and when the computer program is executed by a processor, the steps in the above method embodiments are implemented.
[0058] Those skilled in the art can understand that all or part of the processes in the above-mentioned embodiment methods can be completed by instructing the relevant hardware through a computer program, and the computer program can be stored in a non-volatile computer-readable storage medium. When the computer program is executed, it can include the processes of the embodiments of the above-mentioned methods. Among them, any reference to the memory, database or other medium used in the embodiments provided in the present application can include at least one of non-volatile and volatile memory. Non-volatile memory can include read-only memory (ReadOnlyMemory, ROM), magnetic tape, floppy disk, flash memory, optical memory, high-density embedded non-volatile memory, resistive random access memory (ReRAM), magnetic random access memory (Magnetoresistive RandomAccess Memory, MRAM), ferroelectric random access memory (Ferroelectric RandomAccess Memory, FRAM), phase change memory (Phase Change Memory, PCM), graphene memory, etc. Volatile memory can include random access memory (RandomAccess Memory, RAM) or external cache memory, etc. By way of illustration and not limitation, RAM may be in various forms, such as static random access memory (SRAM) or dynamic random access memory (DRAM).
[0059] The database involved in each embodiment provided in this application may include at least one of a relational database and a non-relational database. The non-relational database may include a distributed database based on blockchain, etc., but is not limited thereto. The processor involved in each embodiment provided in this application may be a general-purpose processor, a central processing unit, a graphics processor, a digital signal processor, a programmable logic device, a data processing logic device based on quantum computing, etc., but is not limited thereto.
[0060] The technical features of the above embodiments may be combined arbitrarily. To make the description concise, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.
[0061] This article uses specific examples to illustrate the principles and implementation methods of this application. The description of the above embodiments is only used to help understand the method and core ideas of this application. At the same time, for those skilled in the art, according to the ideas of this application, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as limiting this application.
Claims
1. A smart street lamp positioning method, characterized in that: The intelligent street lamp positioning method comprises: Obtaining GPS positioning information of the UWB mobile base station on the mobile vehicle and the self-contained positioning information of the smart street lamp; the UWB mobile base station has a built-in GPS module; the UWB mobile base station positioning information includes the longitude and latitude of the current location of the UWB mobile base station; the self-contained positioning information of the smart street lamp is the longitude and latitude of the power system positioning of the smart street lamp; The UWB mobile base station is used to exchange information with the power supply system of the smart street lamp to obtain the SN code of the smart street lamp; the power supply system has a built-in UWB module; the UWB module is used to determine the self-contained positioning information of the smart street lamp; Determine an offset from the smart street lamp to the UWB mobile base station according to the UWB mobile base station positioning information and the self-contained positioning information of the smart street lamp; Determine the final positioning information of the smart street lamp according to the GPS positioning information and the offset; the final positioning information of the smart street lamp includes the longitude and latitude of the smart street lamp; The UWB mobile base station is used to automatically upload the final positioning information of the smart street lamp and the SN code to the street lamp management platform.
2. The intelligent street lamp positioning method according to claim 1, characterized in that: Obtaining GPS positioning information of the UWB mobile base station on the moving vehicle, previously also included: A UWB mobile base station is respectively arranged at any two locations of the mobile vehicle.
3. The intelligent street lamp positioning method according to claim 2, characterized in that: A UWB mobile base station is respectively arranged at the front and rear of the mobile vehicle.
4. The intelligent street lamp positioning method according to claim 3, characterized in that: Determining the final positioning information of the smart street lamp according to the GPS positioning information and the offset specifically includes: Using the formula Determine the latitude of the smart street lamp; wherein Lat_l is the latitude of the smart street lamp; Lat_i is the latitude of the UWB mobile base station located at the front or rear of the vehicle; ΔLat_i is the latitude offset between the UWB mobile base station located at the front or rear of the vehicle and the smart street lamp; is the angle information from the UWB mobile base station located at the front or rear of the vehicle to the smart street lamp; wherein, when i=h, it indicates the front of the vehicle; when i=t, it indicates the rear of the vehicle; Using the formula Determine the longitude of the smart street lamp; wherein Lat_l is the longitude of the smart street lamp; Lat_i is the longitude of the UWB mobile base station located at the front or rear of the vehicle; ΔLat_i is the longitude offset between the UWB mobile base station located at the front or rear of the vehicle and the smart street lamp; The angle information from the UWB mobile base station located at the front or rear of the vehicle to the smart street lamp; The final positioning information of the intelligent street lamp is determined according to the longitude and latitude of the intelligent street lamp calculated by the UWB mobile base station located at the front of the vehicle and the longitude and latitude of the intelligent street lamp calculated by the UWB mobile base station located at the rear of the vehicle.
5. The intelligent street lamp positioning method according to claim 4, characterized in that: △Lat_i=d_i / f;where, d_i is the projection of D_i, D_i is the distance between the UWB mobile base station located at the front or rear of the vehicle and the smart street light; f is the distance length corresponding to 1° longitude at different latitudes; △Lon_i=d_i / (f×cos(Lat_i)).
6. A power supply system for an intelligent street lamp, characterized in that: Comprising the UWB module, 4GCat.1 module and LED constant current drive module according to any one of claims 1 to 5; The UWB module is used to exchange information with the UWB mobile base station and send the SN code of the smart street lamp and the self-positioning information of the smart street lamp to the UWB mobile base station; The 4G Cat.1 module is used to automatically report street light information and alarm information to the street light management platform, and receive control instructions from the street light management platform; the control instructions include street light on instructions, street light off instructions, street light dimming instructions, and data collection instructions; The LED constant current driving module is used to supply power to the smart street lamp.
7. The power supply system of the intelligent street lamp according to claim 6, characterized in that: Also includes: An MCU main control module and an electric energy metering module, a PFC circuit module, an LLC circuit module, a tilt sensor, a digital expansion port and a watchdog connected to the MCU main control module; wherein the electric energy metering module is also connected to the EMI circuit module; the electric energy metering module, the PFC circuit module and the LLC circuit module are connected in sequence.
8. The power supply system of the intelligent street lamp according to claim 6, characterized in that: A duplexer is also provided between the UWB module and the 4GCat.1 module; The duplexer is used to realize duplex transmission of signals between the UWB module and the 4G Cat.1 module.
9. A computer device comprising: A memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor executes the computer program to implement the intelligent street lamp positioning method according to any one of claims 1 to 5.
10. A computer-readable storage medium having a computer program stored thereon, characterized in that: When the computer program is executed by a processor, the intelligent street lamp positioning method described in any one of claims 1 to 5 is implemented.