CN109661064A - A kind of campus wisdom road lamp system realized based on real not time circuit detection unit - Google Patents
A kind of campus wisdom road lamp system realized based on real not time circuit detection unit Download PDFInfo
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- CN109661064A CN109661064A CN201811581290.8A CN201811581290A CN109661064A CN 109661064 A CN109661064 A CN 109661064A CN 201811581290 A CN201811581290 A CN 201811581290A CN 109661064 A CN109661064 A CN 109661064A
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
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Abstract
That the present invention relates to a kind of is big in face of quantity size, utilization rate is high, can remote real time monitoring and the campus wisdom road lamp system realized based on real not time circuit detection unit that manages, including voltage sensor, current sensor, photosensitive sensor, STM32 single-chip microcontroller, power supply, Voltage stabilizing module and LED street lamp；The voltage sensor and current sensor are electrically connected with LED street lamp respectively, the voltage sensor and current sensor also respectively with photosensitive sensor described in STM32 monolithic mechatronics and STM32 monolithic mechatronics, the power supply passes through Voltage stabilizing module and STM32 monolithic mechatronics, it further include current transformer, LoRa communication module, gateway and 4G communication module, current sensor and LED street lamp electrical connection specifically refer to current sensor and are electrically connected by current transformer with LED street lamp, the LoRa communication module also with STM32 monolithic mechatronics, the gateway is electrically connected with 4G communication module, the LoRa communication module is connect by 4G communication module with gateway signal.
Description
Technical field
The present invention relates to a kind of campus wisdom road lamp systems realized based on real not time circuit detection unit.
Background technique
Street lamp can not be accomplished accurately to control on most of road in city, campus and park.In the morning or at dusk, road
There is the illumination of some strength in road, and the street lamp of constant luminance will cause the waste of electric energy at this time；And in the dim rainy day, it does not arrive and sets
It fixes time and will cause the inconvenience of people's life again without the street lamp of unlatching.On the other hand, it by administrative staff, artificially controls
The real-time of large number of street lamp, street lamp operation is inadequate, and wastes a large amount of manpowers.Furthermore when street lamp breaks down, maintenance
Personnel are difficult to the problem of finding rapidly and being accurately positioned.
Therefore, it is attempted to improve above-mentioned technical proposal.Anhui University of Technology Wang Jian provides " intelligent type energy saving
The research and realization of controller for road lamp ", article number is 1001-9944 (2007) 01-0053-04.Including a main body, the main body
It include network controller, control output module, letter between the remote monitoring center and MCU with remote monitoring center and MCU
Number acquisition module, MCU by using TL7716 chip signal acquisition module, voltage, electric current when being worked normally to street lamp into
Thus row acquisition judges in current supply circuit other than shining, the heat that redundance generates, and will generate this part of heat
Then energy feedback sends remote monitoring center by network interface communication module for the physical quantity that acquisition comes to power grid, lead to
Thus street lamp work can be greatly reduced to realize the long-range monitoring to road lamp system by crossing the interconnection that ICP/IP protocol realizes network
The energy consumption of work, to save electric energy.
But the technical solution still has deficiency, since street lamp is large number of, administrative staff still can not be by long-range
Control platform just can not understand each street lamp operating condition real-time detection once administrative staff leave control centre in time
The real-time of the working condition of street lamp, street lamp detection is insufficient.On the other hand, common network interface communication module work is authorizing
Frequency range is needed to operator's paying, and cannot achieve remote, low-power consumption data transmission, and which increases the party
The energy consumption and investment of case in practical applications.Once being difficult to realize street lamp by above scheme real in addition, street lamp breaks down
Shi Dingwei and troubleshooting generally will virtually increase the maintenance cost of street lamp by manually detecting.Even if having found event
The street lamp of barrier, administrative staff are also difficult to understand the nearest operation conditions of street lamp, and the reason of thus judge street lamp fault, in this way
Also it is unfavorable for the overall performance optimization of road lamp system.Running parameter inside when above scheme is only to street lamp work is examined
It surveys, external operating environment is not detected in time, therefore cannot be automatic in real time to change road according to the variation of extraneous intensity of illumination
The intensity of illumination of lamp, also exactly street lamp consumes energy the main reason for big for this.
Basic facilities of the street lamp as highway, quantity size is big, and utilization rate is more demanding, and the utilization network of well-known technique
The MCU control program of interface communication module is obviously inadaptable to this.Therefore, research can in face of quantity size is big, utilization rate is high,
Can remote real time monitoring and manage energy-saving street lamp system solution it is significant.
Summary of the invention
For above-mentioned deficiency in the prior art, the present invention provides a kind of in face of quantity size is big, utilization rate is high, Neng Gouyuan
Journey real-time monitoring and the campus wisdom road lamp system realized based on real not time circuit detection unit managed.
To realize above technical purpose, realized the technical scheme is that a kind of based on real not time circuit detection unit
Campus wisdom road lamp system, including voltage sensor, current sensor, photosensitive sensor, STM32 single-chip microcontroller, power supply, pressure stabilizing mould
Block and LED street lamp；The voltage sensor and current sensor are electrically connected with LED street lamp respectively, the voltage sensor and electricity
For flow sensor also respectively with photosensitive sensor described in STM32 monolithic mechatronics and STM32 monolithic mechatronics, the power supply is logical
Voltage stabilizing module and STM32 monolithic mechatronics are crossed, further includes current transformer, LoRa communication module, gateway and 4G communication module,
Current sensor and LED street lamp electrical connection specifically refer to current sensor and are electrically connected by current transformer with LED street lamp, described
Also with STM32 monolithic mechatronics, the gateway is electrically connected LoRa communication module with 4G communication module, the LoRa communication module
Connect by 4G communication module with gateway signal, the LED street lamp also with STM32 monolithic mechatronics.
Preferably, the current transformer uses the current transformer of model DL-CT03C1.0.
Preferably, the STM32 single-chip microcontroller uses the STM32 single-chip microcontroller of model STM32F103.
Preferably, further include alarm module, the alarm module and STM32 monolithic mechatronics.
Preferably, further including cloud platform, the cloud platform is connect with gateway communication.
Preferably, the LoRa module uses model SX1278 module.
Above description can be seen that the present invention and have following advantages: (1) of the invention real based on real not time circuit detection unit
Voltage rating, volume when existing campus wisdom road lamp system is by voltage sensor, the work of current sensor real-time detection street lamp
Then constant current obtains rated power, the working condition of street lamp is judged with this, is realized by photosensitive sensor to ring around street lamp
The detection of border intensity of illumination realizes that street lamp works under reasonable environment, and then extends the service life of street lamp, improves road
The utilization rate of lamp, and saved a large amount of electric energy.
(2) present invention carries out Detection & Controling by the physical parameter that STM32 single-chip microcontroller comes to sensor acquisition, so that
Street lamp is in normal working condition.Meanwhile the physical parameter acquired is transferred to gateway, gateway by LoRa communication module
Node passes through 4G communication module and cloud platform real time communication again, and staff can be satisfied the need by mobile devices such as mobile phone, computers
Lamp carries out real-time monitoring, solves the problems such as remote, multiple circuit systems while real-time detection, and malfunction monitoring real-time
It is all greatly improved with accuracy, saves a large amount of manpowers.
Detailed description of the invention
Fig. 1 is the system structure signal of the campus wisdom road lamp system of the invention realized based on real not time circuit detection unit
Figure.
Fig. 2 is the system structure of the system of the campus wisdom road lamp system of the invention realized based on real not time circuit detection unit
Frame figure.
Fig. 3 is the hardware configuration signal of the campus wisdom road lamp system of the invention realized based on real not time circuit detection unit
Figure.
Fig. 4 is the hardware configuration signal of the campus wisdom road lamp system of the invention realized based on real not time circuit detection unit
Figure.
Fig. 5 is the work of the gateway node of the campus wisdom road lamp system of the invention realized based on real not time circuit detection unit
Make process.
Fig. 6 is the implementation process of the campus wisdom road lamp system of the invention realized based on real not time circuit detection unit.
Specific embodiment
Below with reference to the given attached drawing of the present invention and specific example, the present invention is further explained, it should be understood that these embodiments
It is only illustrative of the invention and is not intended to limit the scope of the invention, based on the embodiment of the present invention, ordinary skill people
Member's every other embodiment obtained under the premise of no creative work.Belong to protection scope of the present invention.
Embodiment one: see Fig. 1, the campus wisdom street lamp system of the embodiment of the present invention realized based on real not time circuit detection unit
System, including voltage sensor, current sensor, photosensitive sensor, STM32 single-chip microcontroller, LoRa communication module, power supply and power supply are steady
Die block, LED street lamp and alarm module.
Wherein, voltage sensor, current sensor, for acquiring the real-time operating current of campus wisdom street lamp, voltage, and
The rated power of street lamp work is calculated according to sensor parameters by STM32 single-chip microcontroller, and by the physical parameter of acquisition and normally
The parameter of work compares, and whether verifying street lamp works normally.Photosensitive sensor, for measuring the light of street lamp surrounding working environment
According to intensity, so that street lamp opens or closes in real time according to environmental change；STM32 single-chip microcontroller, with current sensor, current sense
Device, photosensitive sensor real time communication, for receiving the return value of various sensors with calculate street lamp work when rated power and
On the one hand the control information of cloud platform controls the normal work of road lamp system, is on the other hand examined in real time according to the instruction of cloud platform
Survey road lamp system circuit function situation, further to street lamp work when physical parameter monitoring, to voltage rating, rated current
Etc. physical parameters control.4G+LoRa completely without line architecture, for the telecommunication of street lamp terminal and cloud platform, wireless network
The communication connection established between acquisition terminal, controlling terminal and Cloud Server is closed, realizes that environmental data takes from acquisition terminal to cloud
Transmission of the transmission and control instruction of business device from Cloud Server to controlling terminal.
User and administrative staff can grasp sensing equipment letter by information terminals such as mobile phone, plate, computers in real time
Breath, it is timely to obtain alarm, warning information, and adjustment that can be manual/auto controls equipment, final realization becomes the above management
It is easily simple.The hard of complete set is provided by cloud service platform relevant CASE-DESIGNER, API, SDK etc. for the present invention
Part environment, to realize the intelligence and low-power consumption of road lamp management；Power supply, power regulator module, for providing STM32 single-chip microcontroller just
The voltage often to work.
Embodiment 2: being shown in Fig. 2 Fig. 3 Fig. 4, the hardware of the wisdom design of road lamp based on LoRa composition mainly by main control chip,
The composition such as power module, LoRa module, sensor acquisition module, network module.Main control chip mainly uses STM32F407.It is single
The time reference of piece machine work is provided by clock circuit.Clock circuit suitable for single-chip microcontroller has outer clock circuit and interior
Two kinds of portion's clock circuit.Outer clock circuit needs an external oscillator, and internal clock circuit utilizes inside single-chip microcontroller certainly
The oscillator of band.For simplicity, I selects internal clock circuit, and the reset mode of single-chip microcontroller has electrification reset and key to reset two
Kind, then I select key reset mode this, the time that key presses down is more than two machine cycles, can be worked well.
The supply voltage of STM32F103 is powered using 3.3V.STM32F103 download circuit has serial ports downloading and JTAG downloading mode
It is selected, for the convenience downloaded and debugged, has finally chosen the mode of JTAG downloading.LoRa module uses existing point pair
Point, transparent transmission, low-power consumption, overlength distance SX1278 module.The design is in order to accurately measure current road
The power of lamp, so needing to acquire the electric current of street lamp.However, the power due to high-power electric appliance is larger, resulting electric current is also very
Greatly, it is unsatisfactory for the permission electric current of current sampling circuit, therefore, it is necessary to add a current transformer to carry out equal proportion to current flow
It reduces.Acquisition for voltage, we directly adopt two line A.C. voltmeters and measure.Since what current transformer generated is
Alternating current does not meet current requirements, it is therefore desirable to which rectification circuit converts alternating current to direct current.General rectification circuit is all
It is made of diode, when electric current forward direction passes through, diode current flow, circuit is normal；When back through when, diode cut-off, electricity
Road is obstructed.To have unilateral conduction, reach rectification effect.The conduction voltage drop of diode is about 0.6V or so, this conducting pressure
Drop is also known as diode threshold voltage, it is meant that stepped this bank of 0.6V, diode just enters on-state by off-state.Some routines
Rectification circuit such as half-wave rectifying circuit, full-wave rectifying circuit, in bridge rectifier, because the amplitude of rectified voltage is significantly larger than
The conduction voltage drop of diode can almost ignore the presence of this threshold voltage.But in the processing to alternating signal by a small margin, if
Signal amplitude is less than 0.6V, and diode does not work at this time.Amplifier is at this time just needed, the unilateal conduction of diode is special
Property and the excellent amplification performance of amplifier combine, can accomplish to input alternating signal (voltage signal especially by a small margin)
Accurate rectification is carried out, precise rectification circuit is thus constituted.
Embodiment 3
The power of street lamp is generally between 800W to 1200W, and since voltage is in 220V, the electric current of generation is 5A or so, because
This, the specified input current of the current transformer of selection also should be in 5V or so.Because precise rectification circuit allows electric current very little, single
Position is milliampere, so in order to reduce the error after electric current conversion, we should select more accurate current transformer, being used for should
The circuit measuring of circuit and protection.According to the above performance requirement, select the electric current of DL-CT03C1.0 model mutual in this secondary design
Sensor.
Similar voltage sensor, current sensor, photosensitive sensor etc. used in this project are all made of ready-made acquisition
Module only needs the connection there are investigation interface for sensor and main control chip on mainboard.
Specifically, the course of work of gateway node is as shown in Figure 5, comprising the following steps:
When gateway node is connected with the mains, the initialization of progress hardware device first, including SysTick timer are initial
Change, the initialization of serial ports 1 and serial ports 2, the initialization of timing 7, initialization, the initialization of light emitting diode of Lora module etc..
Then constantly detection Lora module (connecting with serial ports 2) is either with or without the information for receiving the transmission of other nodes, if receiving information,
Then first by the frame head of needle locating to data frame, frame head is 0xA5 in this program, then carries out exclusive or check to data, and judgement is
It is no that mistake occurs in transmission process, if not having, continue to extract the address of node for sending data and its each sensor
Data sensor is parsed later, judge either with or without the threshold value for being greater than setting, if more than then to corresponding control section
Point sends the order that the equipment such as fan are opened in control, otherwise, sends the order for closing the equipment such as fan.Finally, it is slow to empty reception
It deposits, and is detected next time.
Embodiment 4
See Fig. 6, when acquisition node is connected with the mains, carries out the initialization of hardware device, including SysTick timer first
Initialization, the initialization of serial ports 1 and serial ports 2, the initialization of timing 7, the initialization of Lora module (connecting with serial ports 3), IIC are total
Initialization of sensors such as the initialization of line, the initialization of ADC1, temperature and humidity etc..Then whether constantly detection is by 1 second
Timing, if so, the measurement numerical value of the sensors such as voltage, electric current, photosensitive is successively read, to all the sensors reading data
After, data are packaged into the form of data frame by certain format, gateway node is sent to by Lora module, followed by
It is recycled next time.
In one embodiment of the invention, this project carries out data forwarding and place using Ali's cloud platform Internet of Things external member
Reason, data are uploaded to Ali's Cloud Server, mainly for solving equipment and equipment, are remotely in communication with each other between equipment and host computer
And open platform.The SDK secondary development provided by platform is realized to self-defining device sends data, long-range AT instruction is looked into
The functions such as inquiry, Remote configuration.Agreement on the document is based on MQTT, and data type is all with the definition of JSON format.
Communication flow is as follows:
1. access platform, registration account number.
2. entering selection Internet of Things external member, platform can have multiple nodes, Mei Gejie under a product as unit of product
Point may include multiple equipment, so product, node, equipment are successively added, wherein when adding product in " device type " one
It can choose in column " street lighting ", data format selects " Alink JSON ".
3. operation above functions rear platform can automatically generate " triple ": ProducyKey, DeviceName,
DeviceSecret.It can be used to identify specific equipment to be operated, the close identity card similar to equipment of a machine one.Ali's cloud simultaneously
The solution of offer can voluntarily select physical model.
4. defining Topic, in platform of internet of things, server-side and equipment end realize message communicating by Topic.Topic
It is the concept for equipment, Topic class is the concept for product.
5. hardware device sends data to specific equipment by SDK, sends all data message and interacted with platform
6. host computer, which subscribes to platform device end, can forward the data to host computer, while cloud platform can carry out data
Processing and access.
In one embodiment of the invention, according to remote monitoring and administration server capability needs, this project host computer portion
Divide the main environment temperature for realizing Intelligent campus lamp, ambient humidity, intelligent lamp current, intelligent modulating voltage, the parameters such as air quality
The acquisition of information, storage and management；It receives the inquiry intelligent lamp information sometime of inquiry terminal and returns to analog value；Xiang Yi
Dynamic terminal APP sends information.Using Visual Studio2010 developing instrument, designs the host computer based on C# language and show boundary
Face.Oneself AccessKeyId and AccessKeySecret are created in Ali's cloud official website console AccessKey management.It is complete
At after the opening of ECS, public network IP is distributed, we can be logged in by this public network IP later, be carried out with the end ECS real-time
Communication, the Server that Cloud Server ECS is communicated as UDP, local host is as Client.The acquisition of host computer resolution server end
The data to come over carry out real-time display.And MNS queue is monitored, receiving device message.Startup program is completed to MNS queue
It monitors, we modify equipment end SDK before, subscribe to Topic for equipment.The Topic hair that cloud calls PUB interface to subscribe to equipment
Data are sent, Ali's cloud provides equipment end SDK, and the protocol encapsulation for having interacted equipment end with cloud is good, so we directly make
It is developed with equipment end SDK, realizes the real time communication in cloud and host computer.The functional module of design mainly has: information management mould
Block, data resolution module, data processing module, data inquiry module.System administration: Connecting quantity, the data of database are set
Library Service name address etc..Equipment management: setting messaging parameter port numbers；The operation of setting includes newly-increased, preservation, modification, deletion
And inquiry.
The present invention and its embodiments have been described above, description is not limiting, it is shown in the drawings also only
It is one of embodiments of the present invention, actual structure is not limited to this.All in all if the ordinary skill people of this field
Member is enlightened by it, without departing from the spirit of the invention, is not inventively designed similar to the technical solution
Frame mode and embodiment, be within the scope of protection of the invention.
Claims (6)
1. a kind of campus wisdom road lamp system realized based on real not time circuit detection unit, it is characterised in that: including voltage sensor
Device, current sensor, photosensitive sensor, STM32 single-chip microcontroller, power supply, Voltage stabilizing module and LED street lamp；The voltage sensor and
Current sensor is electrically connected with LED street lamp respectively, and the voltage sensor and current sensor are also electromechanical with STM32 monolithic respectively
The photosensitive sensor and STM32 monolithic mechatronics are connected, the power supply is electrically connected by Voltage stabilizing module and STM32 single-chip microcontroller
It connects, further includes current transformer, LoRa communication module, gateway and 4G communication module, current sensor and LED street lamp electrical connection have
Body refers to that current sensor is electrically connected by current transformer with LED street lamp, the LoRa communication module also with STM32 single-chip microcontroller
Electrical connection, the gateway are electrically connected with 4G communication module, and the LoRa communication module is connected by 4G communication module and gateway signal
Connect, the LED street lamp also with STM32 monolithic mechatronics.
2. the campus wisdom road lamp system according to claim 1 realized based on real not time circuit detection unit, feature are existed
In: the current transformer uses the current transformer of model DL-CT03C1.0.
3. the campus wisdom road lamp system according to claim 1 realized based on real not time circuit detection unit, feature are existed
In: the STM32 single-chip microcontroller uses the STM32 single-chip microcontroller of model STM32F103.
4. the campus wisdom road lamp system according to claim 1 realized based on real not time circuit detection unit, feature are existed
In: it further include alarm module, the alarm module and STM32 monolithic mechatronics.
5. the campus wisdom road lamp system according to claim 1 realized based on real not time circuit detection unit, feature are existed
In: it further include cloud platform, the cloud platform is connect with gateway communication.
6. the campus wisdom road lamp system according to claim 1 realized based on real not time circuit detection unit, feature are existed
In: the LoRa module uses model SX1278 module.
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| CN207969026U (en) * | 2018-02-27 | 2018-10-12 | 杭州朗阳科技有限公司 | A kind of wisdom street lamp based on millimetre-wave radar |
| CN108965467A (en) * | 2018-08-10 | 2018-12-07 | 深圳新阳蓝光能源科技股份有限公司 | A kind of smart city Internet of things system based on street lamp |
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