CN212086553U - Street lamp centralized controller equipment supporting 4G double SIM card communication - Google Patents

Abstract

The utility model discloses a support street lamp centralized control ware equipment of two SIM card communications of 4G, including being used for providing the power of electric energy for each module, the host processor that is used for synthesizing signal processing, button module, LCD display module, two 4G communication unit of card, power acquisition module, return circuit control unit and 485 serial circuits, the utility model discloses use wireless 4G communication as the core, utilize the 4G communication to realize the control to the far-end lamps and lanterns, the system can realize the lamps and lanterns control to the occasion that needs long-time illumination such as street lamp, road, square pier, dock, the switch of remote control lamps and lanterns, the operating condition who detects lamps and lanterns to realize high efficiency, low-cost management. Meanwhile, the double SIM cards work in parallel, one data channel can be switched to the second channel in time after the data channel breaks down, normal transmission of the data channel is guaranteed, implementation is easy, wiring is avoided, a large amount of electricity cost and management cost can be saved, and the overall benefit is very obvious.

Description

Street lamp centralized controller equipment supporting 4G double SIM card communication

Technical Field

The utility model relates to the field of lighting technology, specifically a street lamp centralized control ware equipment that supports two SIM card communications of 4G.

Background

With the development of road construction, the requirements and the quantity of road lighting are continuously increased, and governments at all levels put higher requirements on the road lighting.

The existing street lamp illumination centralized control equipment which is mature in the market adopts a GPRS data transmission mode, along with the deterioration of building construction and wireless environment, the signal quality and the intensity are gathered and reduced, and an operator also provides a 2G network withdrawal construction standard, so that the risk of equipment offline of a system platform is caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a support street lamp centralized control ware equipment of two SIM card communications of 4G, in order to solve the problem that proposes in the background art.

In order to realize the purpose, the utility model provides a following technical scheme:

the utility model provides a support street lamp centralized control ware equipment of two SIM card communications of 4G, includes power, host processor, button module, LCD display module, two 4G communication unit of card, power acquisition module, loop control unit and 485 serial circuits are connected respectively to the power, and button module, LCD display module, two 4G communication unit of card, power acquisition module, loop control unit and 485 serial circuits are connected respectively to the host processor.

As a further aspect of the present invention: the output voltage of the power supply comprises 5V direct current and 3.3V direct current.

As a further aspect of the present invention: the model of the main processor is STM32F103C8T 6.

As a further aspect of the present invention: the double-card 4G communication unit adopts two Shanghai moving far 4G full-network communication modules EC 20R.

As a further aspect of the present invention: the power acquisition module adopts an ATT7053B electric energy metering chip, and the ATT7053B electric energy metering chip is communicated with the main controller through an SPI bus.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses use wireless 4G communication as the core, utilize the 4G communication to realize the control to the distal end lamps and lanterns, the system can realize the lamps and lanterns control to the occasion that needs long-time illumination such as street lamp, road, square, pier, the switch of remote control lamps and lanterns, the operating condition who detects lamps and lanterns to realize high efficiency, low-cost management. Meanwhile, the double SIM cards work in parallel, one data channel can be switched to the second channel in time after the data channel breaks down, normal transmission of the data channel is guaranteed, implementation is easy, wiring is avoided, a large amount of electricity cost and management cost can be saved, and the overall benefit is very obvious.

Drawings

Fig. 1 is a circuit diagram of a power supply module.

Fig. 2 is a circuit diagram of the main processor.

Fig. 3 is a circuit diagram of the key module.

Fig. 4 is a circuit diagram of the LCD display module.

Fig. 5 is a circuit diagram of a dual card 4G communication unit.

Fig. 6 is a circuit diagram of a power harvesting module.

Fig. 7 is a circuit diagram of the loop control unit.

Fig. 8 is a 485 serial port circuit diagram.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1: referring to fig. 1-8, a street lamp centralized controller device supporting 4G dual SIM card communication includes a power supply for supplying power to each module, a main processor for comprehensive signal processing, a key module, an LCD display module, a dual SIM card 4G communication unit, a power acquisition module, a loop control unit, and a 485 serial port circuit, where the power supply is respectively connected to the main processor, the key module, the LCD display module, the dual SIM card 4G communication unit, the power acquisition module, the loop control unit, and the 485 serial port circuit, and the main processor is respectively connected to the key module, the LCD display module, the dual SIM card 4G communication unit, the power acquisition module, the loop control unit, and the 485 serial port circuit.

Wherein: the power supply is shown in fig. 1, and under the normal working condition of the equipment, the three-phase alternating current power supply supplies power through an AC/DC conversion 12V direct current power supply. When the alternating current power supply is abnormal, the power supply is automatically switched to an external standby 12V battery for power supply, the 12V direct current power supply is converted into a 5V power supply through the MP3203 DC/DC chip, and the 5V direct current power supply is converted into a 3.3V power supply through the AMS1117-3.3LDO chip.

As shown in fig. 2, the main processor adopts STM32F103C8T6, the chip working voltage is dc 3.3V, and JZ1 is a lead-out pin for programming and debugging 4 ports. The reset pin of U3 is connected to an RC circuit (R148 and C185) to allow the main chip to power up, reset and then start the start-up operation. The BOOT0 pin of U3 is directly connected to GND, so that the main chip starts to run code from the flash inside the chip. The OSC _ IN and OSC _ OUT pins of U3 are connected with a 32MHz crystal oscillator as the reference source of the working clock of the main chip. The OSC32_ IN and OSC32_ OUT pins of U3 are connected with a 32.768kHz crystal oscillator as a reference source of the RTC working clock of the main chip. The RTC of the U3 adopts P1 button cell and 3.3V direct current voltage dual power supply, and two paths of power supply are respectively connected with D1 and D2 diode for protection, so that the direct current voltage 3.3V power supply is prevented from reversely inputting current to the button cell when the voltage of P1 is low, and the safety of the non-charged button cell is protected. Meanwhile, the button cell is prevented from supplying power to the whole system under the condition that no external direct current is supplied, so that the button cell is prevented from discharging rapidly.

The key modules are shown in FIG. 3, and S1-S6 are up, down, left and right, confirm and cancel keys of the device, respectively. One end of the key is connected to a GPIO port of the processor, and the GPIO port is internally pulled up to be in an input state. The other end of the key is connected with GND.

The LCD display module is shown in fig. 4, and adopts a 128 × 64IIC interface LCD screen.

As shown in fig. 5, the dual-card 4G communication unit selects two shanghai mobile 4G full network communication modules EC 20R, and the user can select the SIM of any two network operators. And the operator network is freely switched according to the quality of the signal.

Power harvesting module as shown in fig. 6, the device supports 9-way power harvesting. A. B, C three phases, 3 paths each. The ATT7053B is an electric energy metering chip. The alternating voltage is sent to an electric energy metering chip after passing through the overvoltage mutual inductor; and the alternating current is sent into the electric energy metering chip after passing through the overcurrent transformer. The 9 paths of electric energy metering chips are communicated with the main controller through an SPI bus, MOSI, MISO and CLK pins are shared, and each path of single CSN chip selection signal line is independent.

The loop control unit supports 3 loops of loop control as shown in fig. 7, and is realized by three relays, namely K1, K2 and K3.

485 Serial circuits As shown in FIG. 8, the U10(MAX485) chip is powered by a 3.3V power supply. The U10 chip realizes the conversion between the TTL signal and the RS485 signal of the single chip microcomputer. RS485 is a half-duplex communication mechanism, and a GPIO pin PA1 of a processor controls the data communication direction of the RS 485.

The design is shown in fig. 1-4, and comprises a power supply module, a radio frequency communication module, an illuminance sampling module and a processor, wherein the power supply module is respectively connected with the radio frequency communication module, the illuminance sampling module and the processor, the illuminance sampling module is also connected with the processor, and the processor is also connected with the radio frequency communication module.

The power module is as shown in fig. 1, adopts 3.7V lithium battery to supply power, and the power module further includes a battery voltage monitoring module, and the battery voltage monitoring module includes a resistor R2 and a resistor R3, and a battery voltage output end is connected to one end of the resistor R2, and a processor and a resistor R3 are connected to the other end of the resistor R2, and the other end of the resistor R3 is grounded. The battery voltage is divided by two high-precision resistors R2 and R3 and then sent to an ADC sampling pin of the processor, so that the real-time monitoring of the battery voltage of the equipment is realized.

The processor comprises a chip U3 and a status indicator light LED2, the model of the chip U3 is STM32F031, the anode of the status indicator light LED2 is connected with a power supply end through a resistor R8, and the cathode of the status indicator light LED2 is connected with a pin 9 of the chip U3. As shown in fig. 2, P3 is a pin with 4 ports for burn debugging. The processor employs an internal 8MHz clock source. The LED2 is a system state prompting lamp, the anode of the LED2 is connected with an R8 resistor in series and then connected to 3.3V, and the cathode of the LED2 is directly connected to a GPIO port of the processor. The reset pin of U3 is connected to an RC circuit (R7 and C18) to make the main chip reset after power-on and then start the start-up operation. The BOOT0 pin of U3 is directly connected to GND, so that the main chip starts to run code from the flash inside the chip.

The illuminance sampling module comprises a resistor R4 and a resistor RL, one end of a resistor R4 is connected with a power supply end, the other end of a resistor R4 is connected with the resistor RL and a pin 8 of a chip U3, and the other end of the resistor RL is grounded. The illuminance sensor is a high-precision photoresistor RL, one end of the high-precision photoresistor RL is connected with a high-precision resistor R4 in series and then is connected with 3.3V, and the other end of the high-precision resistor RL is grounded. And sending the divided signals to an ADC sampling pin of the processor. When the illumination intensity changes, the partial pressure signal changes in response and is collected by the processor.

Example 2: on the basis of embodiment 1, as shown in fig. 4, the radio frequency communication module of the present design adopts an XN297 type 2.4G radio frequency communication chip, and the radio frequency communication module and the processor realize communication through an SPI bus.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (5)

1. The utility model provides a support street lamp centralized control ware equipment of two SIM card communications of 4G, includes power, host processor, button module, LCD display module, two 4G communication unit of card, power acquisition module, loop control unit and 485 serial circuits, its characterized in that, host processor, button module, LCD display module, two 4G communication unit of card, power acquisition module, loop control unit and 485 serial circuits are connected respectively to the power, button module, LCD display module, two 4G communication unit of card, power acquisition module, loop control unit and 485 serial circuits are connected respectively to the host processor.

2. The centralized street lamp controller device supporting 4G dual SIM card communication as claimed in claim 1, wherein the output voltage of the power supply comprises 5 VDC and 3.3 VDC.

3. The centralized street lamp controller device supporting 4G dual SIM card communication as claimed in claim 2, wherein the main processor is of model STM32F103C8T 6.

4. The centralized street lamp controller device supporting 4G dual SIM card communication as claimed in claim 3, wherein the dual card 4G communication unit employs two Shanghai Mobile 4G full network communication modules EC 20R.

5. The centralized controller device of street lamps supporting 4G dual SIM card communication according to any one of claims 1-4, wherein the power acquisition module employs ATT7053B power metering chip, ATT7053B power metering chip and main controller communicate through SPI bus.

Images