CN217426271U - Full liquid crystal electron station tablet of ultra-low power consumption - Google Patents

Full liquid crystal electron station tablet of ultra-low power consumption Download PDF

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Publication number
CN217426271U
CN217426271U CN202221252237.5U CN202221252237U CN217426271U CN 217426271 U CN217426271 U CN 217426271U CN 202221252237 U CN202221252237 U CN 202221252237U CN 217426271 U CN217426271 U CN 217426271U
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module
liquid crystal
power supply
power consumption
sensor
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范浩锋
李小洪
乐高杨
于姗姗
盛哲池
吴朝晖
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Zhejiang Jec Electronics Co ltd
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Zhejiang Jec Electronics Co ltd
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Abstract

The utility model provides a full liquid crystal electron station board of ultra-low power consumption, it includes embedded mainboard, and embedded mainboard connection has liquid crystal display module, electron station board power supply system, sensor module and wireless connection module, and electron station board power supply system has the power supply and switches the module, and the power supply switches the module and is connected with solar energy power supply module and street lamp power supply module, and embedded mainboard has embedded treater chip and the chip peripheral circuit of ARMCortex-A35 framework. The utility model provides an electronic bus stop board power consumption big scheduling problem, have advantages such as power consumption is little, stable in structure.

Description

Ultra-low power consumption full liquid crystal electronic stop board
Technical Field
The utility model belongs to the technical field of the electron station board, concretely relates to full liquid crystal electron station board of ultra-low power consumption.
Background
At present, an electronic stop board which adopts an outdoor high-brightness liquid crystal screen as a main display component becomes the mainstream, can support the information display and the stop reporting information release of a bus line, and has the function of multimedia advertisement information release. However, the traditional outdoor high-brightness liquid crystal electronic stop board generally has high power consumption, and can run all weather only by uninterrupted mains supply, so that high electric energy consumption is caused. Because the power consumption of the solar photovoltaic power supply system is large, the continuous operation requirement of the solar photovoltaic power supply system in a certain space cannot be met, and the solar photovoltaic power supply system can normally operate only by supplying power to a photovoltaic plate with a large area, so that the waste of resources and energy sources can be caused. And the problems of continuous power supply and large power consumption of the outdoor high-brightness liquid crystal screen under the condition of no mains supply access are difficult to solve. In addition to this, the present invention is,
in order to solve the defects of the prior art, people have long searched for and put forward various solutions. For example, the chinese patent document discloses a solar electronic bus stop board system [202021091145.4] based on reflective display, which includes an electronic stop board terminal, a network transmission terminal and an electronic stop board management platform, the electronic stop board terminal and the electronic stop board management platform are connected through the network transmission terminal, the electronic stop board terminal includes a bus stop board main body, a reflective liquid crystal display is disposed at the front end and/or the rear end of the bus stop board main body, a solar photovoltaic system is disposed at the top of the bus stop board, a core module and a first communication module are disposed inside the bus stop board main body, the core module is connected to the solar photovoltaic system and the first communication module, the core module is connected to the reflective liquid crystal display through a reflective liquid crystal display driving module, and the electronic stop board management platform includes a line management module and a second communication module that are connected to each other.
The problem that the station board has no continuous power supply of commercial power is solved to a certain extent by the scheme, but the scheme still has a plurality of defects, such as large power consumption and the like.
Disclosure of Invention
The utility model aims at the above-mentioned problem, provide a reasonable in design, the full liquid crystal electronic stop board of the little ultra-low power consumption of power consumption.
In order to achieve the above purpose, the utility model adopts the following technical proposal: the utility model provides a full liquid crystal electron station board of ultralow power consumption, includes embedded mainboard, and embedded mainboard is connected with liquid crystal display module, electron station board power supply system, sensor module and wireless connection module, and electron station board power supply system has the power supply and switches the module, and the power supply switches the module and is connected with solar energy power module and street lamp power supply module, and embedded mainboard has embedded treater chip and the chip peripheral circuit of ARM Cortex-A35 framework. The embedded processor chip with the ARM Cortex-A35 framework is adopted, so that the power consumption of the embedded mainboard is greatly reduced, the power supply of commercial power is reduced by matching with the solar power supply module, and the low-power-consumption work of the electronic stop board is maintained.
In the above ultra-low power consumption full liquid crystal electronic stop board, the embedded processor chip and the chip peripheral circuit have a data interface of any one or more combinations of GPIO, USB, RS232, RS485, IIC, ADC, DC, LAN, HDMI, LVDS, SIM, WIFI, SD, MIC, SPK and LIGHT. And expanding the data interface of the embedded mainboard as required to meet the data transmission requirement.
In the above-mentioned full liquid crystal electronic stop board of ultra-low power consumption, the liquid crystal display module includes liquid crystal display, and liquid crystal display is equipped with and pastes toughened glass entirely. The full-pasting toughened glass and the liquid crystal display screen realize full-pasting and play an effective protection role for the liquid crystal display screen.
In the ultra-low power consumption full-liquid crystal electronic stop board, the liquid crystal display screen adopts a low power consumption 32-inch liquid crystal screen and the display brightness is not lower than 1000cd/m 2 The whole-adhered toughened glass adopts AG double-layer laminated sun-proof toughened glassGlass. The AG double-layer laminated sun-proof toughened glass has high transmittance, high brightness and anti-glare functions.
In foretell full liquid crystal electron station board of ultralow power consumption, the power supply switches the module and includes power switching module and the multiple switching module of being connected with battery module, and solar energy power module includes interconnect's solar photovoltaic board and photovoltaic controller, and street lamp power module includes interconnect's street lamp power incoming end and the module of charging. The power supply switching module realizes power supply switching and controls photovoltaic and street lamp input current simultaneously.
In the ultra-low power consumption full-liquid crystal electronic station board, the solar photovoltaic panel adopts 24V100W single crystal silicon solar photovoltaic, the battery module adopts 24V100AH lithium iron phosphate battery, the power supply switching module adopts a DC 24V-to-DC 12V switching module, the charging module adopts a 24V10A lithium battery charger, and the street lamp power supply access end adopts a 2P leakage protection switch. The power supply switching module realizes automatic switching between photovoltaic and street lamp power supply, and ensures continuous work of the electronic stop board.
In foretell full liquid crystal electron stop board of ultralow power consumption, the sensor module includes human response sensor, illuminance sensor, temperature and humidity sensor, the sensor that soaks, entrance guard's sensor and surveillance camera head. The sensor module senses the external environment and realizes the automatic adjustment of the working state of the electronic stop board.
In the ultra-low power consumption full liquid crystal electronic station board, the human body induction sensor adopts an infrared pyroelectric induction switch probe, the illuminance sensor adopts a photosensitive diode, the temperature and humidity sensor adopts a DHT11 temperature and humidity sensor module, the immersion sensor adopts a double-contact immersion probe, the entrance guard sensor adopts an ME-8108 travel switch, and the monitoring camera adopts a 200W network digital camera.
In the above-mentioned full liquid crystal electronic station board of ultra-low power consumption, the wireless connection module includes 4G antenna and CAT1 wireless network. The wireless connection module realizes the wireless transmission of data and ensures the stability of data transmission.
In the above-mentioned full liquid crystal electronic station board of a kind of ultra-low power consumption, 4G antenna adopts the waterproof paster antenna of 4G full frequency high gain, and CAT1 wireless network adopts the wireless network that has 4GCAT1 communication protocols. The 4GCAT1 communication protocol has the characteristics of low cost and low power consumption, and further reduces the power consumption of the whole machine.
Compared with the prior art, the utility model has the advantages of: the embedded processor chip and the chip peripheral circuit with the ARM Cortex-A35 architecture are adopted, so that the overall power consumption of the embedded mainboard and the electronic stop board is reduced; the sensor module is equipped to automatically adjust the working state of the liquid crystal display module to obtain the best imaging effect; and the solar energy and street lamp double power supply mode is supported, and the continuous work of the electronic stop board is ensured.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic view of the present invention;
fig. 3 is a schematic structural diagram of a liquid crystal display module according to the present invention;
fig. 4 is a schematic structural diagram of the power supply system of the electronic stop board of the present invention;
in the figure, an embedded mainboard 1, a liquid crystal display module 2, a liquid crystal display screen 21, a full-adhered toughened glass 22, an electronic stop board power supply system 3, a sensor module 4, a human body induction sensor 41, a light intensity sensor 42, a temperature and humidity sensor 43, a water immersion sensor 44, an entrance guard sensor 45, a monitoring camera 46, a wireless connection module 5, a 4G antenna 51, a CAT1 wireless network 52, a power supply switching module 6, a battery module 61, a power supply switching module 62, a multi-path switching module 63, a solar power supply module 7, a solar photovoltaic panel 71, a photovoltaic controller 72, a street lamp power supply module 8, a street lamp power supply access end 81 and a charging module 82.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-4, an ultra-low power consumption full liquid crystal electronic stop board comprises an embedded motherboard 1, the embedded motherboard 1 is connected with a liquid crystal display module 2, an electronic stop board power supply system 3, a sensor module 4 and a wireless connection module 5, the electronic stop board power supply system 3 is provided with a power supply switching module 6, the power supply switching module 6 is connected with a solar power supply module 7 and a street lamp power supply module 8, and the embedded motherboard 1 is provided with an embedded processor chip and a chip peripheral circuit of an ARM Cortex-a35 architecture. The electronic stop board power supply system 3 supplies power to the electronic stop board, the solar power supply module 7 and the street lamp power supply module 8 are automatically switched to supply power through the power supply switching module 6, the power consumption of an embedded processor chip of an ARM Cortex-A35 framework selected by the embedded mainboard 1 is not more than 125 milliwatts, and the embedded mainboard 1 is ensured to be in a low power consumption state.
Specifically, the embedded processor chip and the chip peripheral circuit have data interfaces of any one or more combinations of GPIO, USB, RS232, RS485, IIC, ADC, DC, LAN, HDMI, LVDS, SIM, WIFI, SD, MIC, SPK and LIGHT. The embedded mainboard 1 carries 2GB memory and 16GB storage, and adopts an Android11 operating system for bus route information display, vehicle stop announcement prompt, multimedia information release, time weather information, running state data acquisition, low power consumption control and remote connection control.
Further, the liquid crystal display module 2 includes a liquid crystal display screen 21, and the liquid crystal display screen 21 is provided with a full-adhered tempered glass 22. The whole ultra-low power consumption of the module is realized by modifying the optical effect of the display module and reducing the power consumption of the circuit.
Furthermore, the liquid crystal display screen 21 adopts a low-power 32-inch liquid crystal display screen and has the display brightness not lower than 1000cd/m 2 The totally-adhered toughened glass 22 is AG double-layer laminated sun-proof toughened glass. The liquid crystal display 21 is electrically connected and in data communication with the LVDS interface of the embedded motherboard 1. The resolution of the liquid crystal display screen 21 is 1920 x 1080 pixels, the working frequency is 60HZ, the display color is 16.7M bit color, and the comprehensive power consumption is less than 10W.
Further, the power supply switching module 6 includes a power supply switching module 62 and a multi-path switching module 63 connected to the battery module 61, the solar power supply module 7 includes a solar photovoltaic panel 71 and a photovoltaic controller 72 connected to each other, and the street lamp power supply module 8 includes a street lamp power supply access 81 and a charging module 82 connected to each other. Solar photovoltaic board 71 realizes the electricity through the MC4 interface and connects, turn into battery module 61 through solar energy and charge, photovoltaic controller 72 control solar photovoltaic board 71 charges and discharge automatic control to battery module 61, possess electric energy data acquisition and monitor control function, data communication is realized with the RS485 interface of embedded mainboard 1 to photovoltaic controller 72's data interface, photovoltaic controller 72 charges the interface and realizes the electricity with battery module 61 interface realization electricity and is connected, photovoltaic controller 72 adopts the MPPT mode to charge. The charging module 82 adopts a 24V10A lithium battery charger, and can convert the street lamp electric alternating current into direct current to charge the lithium iron phosphate battery. The street lamp power access 81 supports access to street lamp electrical power.
In addition, the solar photovoltaic panel 71 adopts 24V100W single crystal silicon solar photovoltaic, the battery module 61 adopts 24V100AH lithium iron phosphate battery, the power supply switching module 62 adopts a switching module from DC24V to DC12V, the charging module 82 adopts a 24V10A lithium battery charger, and the street lamp power supply access end 81 adopts a 2P leakage protection switch. The output interface of the battery module 61 is electrically connected with the input interface of the power supply switching module 62, and the continuous operation of the whole machine can be met for more than 14 days without illumination. The output interface of the power supply switching module 62 is electrically connected with the input interface of the multi-path switching module 63, and voltage stabilization control is performed after power supply conversion, so that a stable voltage is provided for each module.
Meanwhile, the sensor module 4 includes a human body sensor 41, a light intensity sensor 42, a temperature and humidity sensor 43, a water immersion sensor 44, an entrance guard sensor 45, and a monitoring camera 46.
Visibly, the human body induction sensor 41 adopts an infrared pyroelectric induction switch probe, the illuminance sensor 42 adopts a photosensitive diode, the temperature and humidity sensor 43 adopts a DHT11 temperature and humidity sensor 43 module, the immersion sensor 44 adopts a double-contact immersion probe, the door control sensor 45 adopts an ME-8108 travel switch, and the monitoring camera 46 adopts a 200W network digital camera. When the human body induction sensor 41 induces that a human body approaches in a certain distance, the liquid crystal display is turned on, the liquid crystal display is turned off after the human body leaves for a certain time, the power consumption is further reduced, and the data interface of the human body induction sensor 41 is electrically connected with the GPIO interface of the embedded mainboard 1. The illuminance sensor 42 adjusts the display brightness of the liquid crystal screen in real time by sensing the change of the external light intensity, the data interface of the illuminance sensor 42 is electrically connected with the ADC interface of the embedded mainboard 1, the brightness of the liquid crystal screen is linearly related to the external illuminance, the brighter the screen display is when the external light is stronger, and the darker the screen display is when the external light is weaker. Temperature and humidity sensor 43 is used for gathering electronic stop board internal work environment state data, starts inside fan heater fan when electronic stop board internal temperature is higher than 45 ℃ or inside humidity is greater than 90%, carries out inside and outside ventilation cooling dehumidification and handles, guarantees that electronic stop board begins to be in a good operational environment. The sensor 44 of soaking detects the water level state through the contact of soaking and soaks and reports to the police, and the sensor 44 data interface of soaking realizes the electricity with the GPIO interface realization of embedded mainboard 1. When the immersion sensor 44 detects immersion, the main power supply is cut off immediately, and the immersion alarm state is uploaded to the background to protect internal electric appliances from being damaged. The entrance guard sensor 45 presses the travel switch to change the state of the contact arm to detect the opening and closing state of the door when the door is opened and closed, and the data interface of the entrance guard sensor 45 is electrically connected with the GPIO interface of the embedded mainboard 1. When door sensor 45 detects that the door is opened unusually, can upload entrance guard's alarm state to the backstage to operation and maintenance personnel in time overhaul the processing. A TF card is arranged in the monitoring camera 46 to realize video storage and recording, the surrounding state of the electronic stop board can be monitored in real time in a video mode, and the data interface of the monitoring camera 46 is electrically connected with the LAN interface of the embedded mainboard 1 and is in data communication. The monitoring camera 46 is used for collecting video data near the electronic stop board, real-time video picture information can be remotely watched through a background, and historical video information can be called.
It is apparent that the wireless connection module 5 includes a 4G antenna 51 and a CAT1 wireless network 52.
Preferably, the 4G antenna 51 is a 4G full-band high-gain waterproof patch antenna, and the CAT1 wireless network 52 is a wireless network module having a 4GCAT1 communication protocol. The 4G antenna 51 can be attached to the surface of the device for better communication signals, and the 4G antenna 51 is electrically connected with the SMA interface of the CAT1 wireless network 52. The CAT1 wireless network 52 data interface realizes the electrical connection and the data communication with the USB interface of the embedded mainboard 1.
In summary, the principle of the present embodiment is: the embedded mainboard 1 adopts an embedded processor chip and a chip peripheral circuit with an ARM Cortex-A35 framework, the whole power consumption is reduced, the equipped solar power supply module 7 and the street lamp power supply module 8 realize double-path power supply, the continuous work of the electronic stop board is ensured, and the input of an external power supply is reduced.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Although the terms of the embedded motherboard 1, the liquid crystal display module 2, the liquid crystal display screen 21, the full-adhered toughened glass 22, the electronic station board power supply system 3, the sensor module 4, the human body induction sensor 41, the illuminance sensor 42, the temperature and humidity sensor 43, the water immersion sensor 44, the door access sensor 45, the monitoring camera 46, the wireless connection module 5, the 4G antenna 51, the CAT1 wireless network 52, the power supply switching module 6, the battery module 61, the power supply switching module 62, the multi-path switching module 63, the solar power supply module 7, the solar photovoltaic panel 71, the photovoltaic controller 72, the street lamp power supply module 8, the street lamp power supply access terminal 81, the charging module 82, and the like are used more often, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims (10)

1. The utility model provides a full liquid crystal electron station board of super low-power consumption, includes embedded mainboard (1), embedded mainboard (1) be connected with liquid crystal display module (2), electron station board power supply system (3), sensor module (4) and wireless connection module (5), its characterized in that, electron station board power supply system (3) power supply switch module (6) have, power supply switch module (6) be connected with solar energy power supply module (7) and street lamp power supply module (8), embedded mainboard (1) embedded treater chip and the chip peripheral circuit that has ARM Cortex-A35 framework.
2. The ultra-low power consumption full liquid crystal electronic station board as claimed in claim 1, wherein the embedded processor chip and chip peripheral circuit have data interfaces of any one or more combination of GPIO, USB, RS232, RS485, IIC, ADC, DC, LAN, HDMI, LVDS, SIM, WIFI, SD, MIC, SPK and LIGHT.
3. The ultra-low power consumption full liquid crystal electronic stop board as claimed in claim 1, wherein the liquid crystal display module (2) comprises a liquid crystal display screen (21), and the liquid crystal display screen (21) is equipped with full-adhered toughened glass (22).
4. The ultra-low power consumption full liquid crystal electronic stop board as claimed in claim 3, wherein the liquid crystal display screen (21) adopts 32 inch liquid crystal screen with low power consumption and display brightness not lower than 1000cd/m 2 The full-adhered toughened glass (22) adopts AG double-layer laminated sun-proof toughened glass.
5. The ultra-low power consumption full-liquid crystal electronic station board as claimed in claim 1, wherein the power supply switching module (6) comprises a power supply switching module (62) and a multi-way switching module (63) connected with a battery module (61), the solar power supply module (7) comprises a solar photovoltaic panel (71) and a photovoltaic controller (72) which are connected with each other, and the street lamp power supply module (8) comprises a street lamp power supply access terminal (81) and a charging module (82) which are connected with each other.
6. The ultra-low power consumption full liquid crystal electronic stop board as claimed in claim 5, wherein said solar photovoltaic panel (71) is 24V100W single crystal silicon solar photovoltaic, said battery module (61) is 24V100AH lithium iron phosphate battery, said power switching module (62) is a switching module from DC24V to DC12V, said charging module (82) is a 24V10A lithium battery charger, and said street lamp power supply access terminal (81) is a 2P earth leakage protection switch.
7. The full liquid crystal electronic stop board of ultra-low power consumption of claim 1, characterized in that, the sensor module (4) include human body sensor (41), light intensity sensor (42), temperature and humidity sensor (43), immersion sensor (44), entrance guard sensor (45) and surveillance camera (46).
8. The ultra-low power consumption full liquid crystal electronic stop board according to claim 7, wherein the human body induction sensor (41) adopts an infrared pyroelectric induction switch probe, the illumination sensor (42) adopts a photosensitive diode, the temperature and humidity sensor (43) adopts a DHT11 temperature and humidity sensor (43) module, the immersion sensor (44) adopts a double-contact immersion probe, the door control sensor (45) adopts an ME-8108 travel switch, and the monitoring camera (46) adopts a 200W network digital camera.
9. The ultra-low power consumption full liquid crystal electronic stop board as claimed in claim 1, wherein the wireless connection module (5) comprises a 4G antenna (51) and a CAT1 wireless network (52).
10. The ultra-low power consumption full liquid crystal electronic stop board as claimed in claim 9, wherein the 4G antenna (51) is a 4G full-band high-gain waterproof patch antenna, and the CAT1 wireless network (52) is a wireless network module with a 4GCAT1 communication protocol.
CN202221252237.5U 2022-05-19 2022-05-19 Full liquid crystal electron station tablet of ultra-low power consumption Active CN217426271U (en)

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Application Number Priority Date Filing Date Title
CN202221252237.5U CN217426271U (en) 2022-05-19 2022-05-19 Full liquid crystal electron station tablet of ultra-low power consumption

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221252237.5U CN217426271U (en) 2022-05-19 2022-05-19 Full liquid crystal electron station tablet of ultra-low power consumption

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Publication Number Publication Date
CN217426271U true CN217426271U (en) 2022-09-13

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