阅读说明：本技术 一种基于以太网的停车场共享充电系统 (Parking area sharing charging system based on ethernet ) 是由 陈孝金 周厚屹 黄水发 于 2019-11-06 设计创作，主要内容包括：本发明公开了一种基于以太网的停车场共享充电系统,包括供电系统和充电控制系统,其中,供电系统包括用于供电的电网,用于计量电的电表,用于控制充电电路通断的继电器和用于充电的插座；充电控制系统包括控制主板,控制主板上设置有系统芯片,控制主板接收来自电表的电量信息,且控制继电器的通断,控制主板接入到以太网。本发明构思新颖、设计合理,且便于使用,本发明通过常用电网供电,并利用插座进行充电,然后通过继电器来控制充电电路的通断以实现充电电路的通断,同时继电器受控制主板的控制,以实现充电控制的智能化和信息化,相对于现有技术架构充电和控制线路简单,充电操作简单,成本也更加低廉。(The invention discloses an Ethernet-based parking lot shared charging system which comprises a power supply system and a charging control system, wherein the power supply system comprises a power grid for supplying power, an ammeter for metering electricity, a relay for controlling the on-off of a charging circuit and a socket for charging; the charging control system comprises a control mainboard, a system chip is arranged on the control mainboard, the control mainboard receives electric quantity information from an electric meter, the on-off of a relay is controlled, and the control mainboard is connected to the Ethernet. The intelligent charging control system is novel in concept, reasonable in design and convenient to use, power is supplied through a common power grid, the socket is used for charging, the relay is used for controlling the on-off of the charging circuit to achieve the on-off of the charging circuit, meanwhile, the relay is controlled by the control mainboard to achieve the intelligentization and informatization of charging control, and compared with the charging and control circuit of the prior art, the intelligent charging control system is simple in structure, simple in charging operation and lower in cost.)

1. The utility model provides a parking area sharing charging system based on ethernet which characterized in that: the charging system comprises a power supply system and a charging control system, wherein the power supply system comprises a power grid for supplying power, an electric meter for metering electricity, a relay for controlling the on-off of a charging circuit and a socket for charging; the charging control system comprises a control mainboard, a system chip is arranged on the control mainboard, the control mainboard receives the electric quantity information from the ammeter and controls the on-off of the relay, and the control mainboard is connected to the Ethernet.

2. The ethernet-based parking lot shared charging system according to claim 1, wherein: the quantity of relay is a plurality of, and is a plurality of the relay sets up in parallel, the control mainboard is to every the relay realizes independent control.

3. The ethernet-based parking lot shared charging system according to claim 1, wherein: the mobile terminal is used for realizing starting and stopping charging through personnel operation and is communicated with the control main board through accessing the Ethernet.

4. The ethernet-based parking lot shared charging system according to claim 1, wherein: the ammeter is connected to the control mainboard through a 485 bus.

5. The ethernet-based parking lot shared charging system according to claim 2, wherein: the control mainboard is connected with an optical coupling protection module through a GPIO (general purpose input/output), the optical coupling protection module is connected to a relay driver, and the relay driver is connected to the relay.

6. The ethernet-based parking lot shared charging system according to claim 3, wherein: and a WIFI module is arranged on the control main board and is used for helping the mobile terminal to access the Ethernet.

7. The ethernet-based parking lot shared charging system according to claim 1, wherein: the power supply management system further comprises a direct current conversion module and a power supply management module, wherein the direct current conversion module is connected to the power supply management module, and the power supply management module is connected to the control mainboard.

8. The ethernet-based parking lot shared charging system according to claim 1, wherein: and the control main board is also connected with a storage module for data storage and a camera for monitoring.

Technical Field

The invention relates to the technical field of charging, in particular to a parking lot shared charging system based on an Ethernet.

Background

With the advent of global new energy automobile development wave, new energy automobiles in China are rapidly developed. New energy automobile uses consumption electric energy to give first place to at present, need charge through filling electric pile, but because fill electric pile price height, the electric pile quantity is all not many in the wide and deep quick charge of north now, and it is a problem that awaits the solution to charge with low costs and convenient. On the other hand, in a private garage, installing and constructing a charging circuit and a charging device by itself is a tedious and costly act. In summary, how to solve the charging problem for the new energy vehicle with low cost and convenience is an urgent problem to be solved.

Disclosure of Invention

In view of the above situation in the background art, an object of the present invention is to provide an ethernet-based parking lot shared charging system, which specifically includes:

the parking lot shared charging system based on the Ethernet comprises a power supply system and a charging control system, wherein the power supply system comprises a power grid for supplying power, an ammeter for metering electricity, a relay for controlling the on-off of a charging circuit and a socket for charging; the charging control system comprises a control mainboard, a system chip is arranged on the control mainboard, the control mainboard receives the electric quantity information from the ammeter and controls the on-off of the relay, and the control mainboard is connected to the Ethernet.

Further, as preferred, the quantity of relay is a plurality of, and a plurality of the relay sets up in parallel, the control mainboard is to every the relay realizes independent control.

Preferably, the mobile terminal is used for being operated by a person to start and stop charging, and the mobile terminal is connected to the ethernet to communicate with the control mainboard.

Further, as a preferred option, the electric meter is connected to the control motherboard through a 485 bus.

Further, preferably, the control main board is connected with an optical coupling protection module through a GPIO (general purpose input/output), the optical coupling protection module is connected to a relay driver, and the relay driver is connected to the relay.

Further, as a preferred option, a WIFI module is disposed on the control main board to help the mobile terminal access the ethernet.

Further, as a preferred option, the system further comprises a direct current conversion module and a power management module, wherein the direct current conversion module is connected to the power management module, and the power management module is connected to the control mainboard.

Further, preferably, the control main board is further connected with a storage module for data storage and a camera for monitoring.

Has the advantages that: the intelligent charging control system is novel in concept, reasonable in design and convenient to use, power is supplied through a common power grid, the socket is used for charging, the relay is used for controlling the on-off of the charging circuit to achieve the on-off of the charging circuit, meanwhile, the relay is controlled by the control mainboard to achieve the intelligentization and informatization of charging control, and compared with the charging and control circuit of the prior art, the intelligent charging control system is simple in structure, simple in charging operation and lower in cost.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a control motherboard according to an embodiment of the present invention.

Detailed Description

The invention is further illustrated by the following examples in conjunction with the accompanying drawings:

referring to fig. 1 and 2, an ethernet-based parking lot shared charging system has a power supply system and a charging control system, wherein the power supply system includes a power grid for supplying power, an electric meter for metering electricity, a relay for controlling on/off of a charging circuit, and a socket for charging; the charging control system comprises a control mainboard, a system chip is arranged on the control mainboard, the control mainboard receives the electric quantity information from the ammeter and controls the on-off of the relay, and the control mainboard is connected to the Ethernet.

In the basic scheme of the invention, the power is supplied by a common commercial power grid, and the socket is used as a charging port to directly charge. Meanwhile, the relay is used as an on-off control device of the charging path, the electric meter is arranged on the power grid to realize measurement of the charging electric quantity, and the electric meter is connected to the control main board to monitor the charging electric quantity in real time. The control mainboard accesses the Ethernet to realize communication and control through the network.

In a specific implementation process, as a preferred implementation mode, the number of the relays is multiple, the relays are arranged in parallel, and the control main board realizes independent control of each relay. In the specific implementation process, the control and the charging of the multiple charging ports are realized by adopting the same control main board, so that a plurality of relays are arranged and connected in parallel, and the control main board controls each relay independently.

In the specific implementation process, as a preferred implementation manner, the mobile terminal is used for being operated by a person to start and stop charging, and the mobile terminal is connected to the ethernet to realize communication with the control main board. The mobile terminal is adopted for convenient use, and corresponding software is installed on the mobile terminal to facilitate operation and control of personnel, and the mobile terminal comprises but is not limited to common mobile phones and tablet computers.

In a specific implementation process, as a preferred implementation mode, the electric meter is connected to the control mainboard through a 485 bus. In the preferred embodiment, the connection form of the electric meter is given. The electric meter is connected to a power grid for supplying power, and transmits power information to the control main board.

In a specific implementation process, as a preferred implementation manner, the control main board is connected with an optical coupling protection module through a GPIO, the optical coupling protection module is connected to a relay driver, and the relay driver is connected to the relay. In the optimization, a specific connection form of the relay is given.

In a specific implementation process, as a preferred implementation manner, a WIFI module is disposed on the control main board to help the mobile terminal access to an ethernet. The WIFI module is arranged on the control main board, so that network support can be provided for the mobile terminal, and the mobile terminal is helped to access the network to realize communication and control.

In a specific implementation process, as a preferred implementation manner, the system further includes a dc conversion module and a power management module, where the dc conversion module is connected to the power management module, and the power management module is connected to the control motherboard. In the optimization, a power supply functional module for supplying power to the control mainboard is provided.

In a specific implementation process, as a preferred implementation manner, the control main board is further connected with a storage module for data storage and a camera for monitoring. In the preferred mode, a data storage function and a camera for monitoring are provided.

With reference to fig. 1 and 2 in combination with the above embodiments, in a specific implementation of the present invention, the low-cost parking lot slow charging shared socket based on the ethernet network is provided, where the main controller uses a full-log T3 chip, the PMU is AXP221S, the WIFI module uses a full-log XR819, the DDR uses a full-log 1GB LPDDR3, the EMMC uses a samsung 8GB EMMC, the emm uses a 12V adapter to supply power, the DCDC of 12 to 5V uses a dexin EUP3482A, and the ethernet chip is an incredible AX 88772C. And an optical coupler is adopted for isolation between the GPIO of the T3 and the MOS for controlling the relay switch, the optical coupler is of a PhotoBao LTV817, and the MOS tube is of a long-power SI 2302. T3 is connected with Internet server via network card chip. The mobile terminal adopts a mobile phone, the mobile phone requires charging through APP recharging and code scanning, the server receives the request and then informs the T3 to switch on a socket relay of a corresponding parking space, and a socket of the parking space starts to supply power. Meanwhile, the electronic lock is in a locked state on the press for locking the charger plug for preventing theft. When the customer clicks APP and stops charging, the server receives the message, informs T3 to close the corresponding parking space relay, and the socket cuts off the power supply, and the pickproof lock is opened, can pull out the charger. The charging is stopped. And one GPIO controls a relay of one socket, and the GPIO and the relay are fully isolated by an optical coupler and an MOS. All control lines were routed using two 30PIN PHB2.0 pitch sockets. The control end of the relay is powered by 12V, and the control ground wire is shared. The live wire at the 220V end is controlled to be on and off by a relay, and the zero line is not controlled by the relay. The outlet power cord uses a 4 mm cross-sectional area copper wire or a 10 mm cross-sectional area aluminum wire. The control wire is a copper wire with a cross section area of 0.5 square millimeter. The switch control adopts an SSR-50DA relay, the specification is 220V, 50 amperes, and the price is 20 yuan. The socket is provided with an indicator light, whether the socket is powered off can be seen, the indicator light is a green pin LED lamp, and a 100K resistor is connected in series with a live wire and a zero wire. The electric meter adopts a DDSY1886 type electric meter of Shanghai people electric appliances, and 485 communication is adopted between the electric meter and a T3 control box to transmit electric quantity data of the electric meter. All the electric meters are connected to the same bus. T3 control mainboard, adopts ordinary PCB technology, and minimum line width line spacing all is 0.1mm, and minimum via hole aperture is 0.3 mm. Most of the elements are patch elements. The overall cost is lower. Besides, an electronic lock can be arranged at the socket part and used in cooperation with a charger of an automobile to realize automatic locking.

After the specific implementation, by comparison, the scheme of the invention is adopted, and the following advantages are found:

1. the material cost is pressed extremely low, can form the high-low collocation with current quick charging stake to limited fund will fill the shared socket slowly and carry out 10 ten thousand orders of magnitude in big city parking area and lay, change the situation of filling the loss of electric pile fast at present. Even if 1 gross money is added to electricity per degree, the profit is considerable;

2. under the condition that a large number of slow charging shared sockets are laid, the problem that charging of electric vehicle users is difficult can be solved. Regardless of whether a garage exists or not, the place for charging can be conveniently found, and the sales volume of the electric automobile can be greatly promoted to be increased. The number of fuel vehicles is reduced, and green, environment-friendly and energy-saving effects of cities are further promoted;

3. at present, the slow charging power of electric automobiles of various manufacturers is between 2.5 and 6 kilowatts, and the slow charging per hour is equal to the endurance mileage of 30 to 50 kilometers. The slow charging can avoid overlarge current and higher temperature, is more friendly to the battery, does not damage the battery, is low in heat generation due to slow charging, is higher in efficiency, is more energy-saving, and is safer. In addition, slow charging is generally charging at night, late-night valley electricity can be fully utilized, and if peak-valley electricity price is signed with a power grid company, profit of a slow charging shared socket can be further expanded;

4. fill sharing socket slowly and generally adorn on underground parking garage's wall or stand, can not have any influence to present petrol car parking stall parking, can avoid the rain-proof problem that the flying lead charges. Even in open-air parking lots, the parking lot is also provided with a rainproof receptacle box. The rainproof problem and other dangers caused by flying line charging can be avoided;

4. the slow charging sharing socket is provided with an electronic lock, a charging plug of a slow charging charger can be fixed, and the problem of charger theft prevention worried by electric automobile users is solved;

5. the controller of the slow charging sharing socket T3 is provided with sharing WIFI, free WIFI can be provided for automobile users to be used for networking in a no-signal area, and the WIFI can be used for pushing advertisements of the electric automobile to obtain another profit.

The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.