Disclosure of Invention
The technical problem to be solved by the invention is to provide an alternating current charging pile control system of a stereo garage aiming at the defects of the prior art.
The technical scheme for solving the technical problems is as follows: the utility model provides a stereo garage's alternating-current charging stake control system, includes intelligent control module, a plurality of combined function module, a plurality of electric pile and cloud ware of filling, and is a plurality of combined function module all with intelligent control module connects, intelligent control module with cloud ware is connected, every fill electric pile and one of them combined function module connects, and every fill electric pile all and be connected with the cable, and the cable is kept away from and is corresponded fill electric pile's one end and pull to in the parking stall that stereo garage corresponds.
The invention has the beneficial effects that: the alternating current charging pile control system of the stereo garage can control the charging pile of each parking space in the stereo garage independently through the intelligent control module, is very convenient to manage in a centralized mode, can be flexibly arranged corresponding to one or more charging piles, achieves remote allocation and control through the cloud server, is very efficient, and has great promotion significance for popularization of electric vehicles.
On the basis of the technical scheme, the invention can be further improved as follows:
further: the intelligent control module comprises an intelligent controller, a power conversion circuit, a display and input device, a first switching value driver, a radio frequency card reader and a first communication interface, wherein the power conversion circuit is respectively connected with an external power supply and the intelligent controller, the display and input device, the first switching value driver and the radio frequency card reader are all connected with the intelligent controller, and the intelligent controller is respectively connected with the cloud server and all the combined function modules through the first communication interface.
The beneficial effects of the further scheme are as follows: the intelligent controller is used as the center of the whole intelligent control module to conveniently receive control commands input from the outside and control the working state of each combined function module, and meanwhile, the radio frequency card reader can conveniently identify the charging card of a user and automatically finish charging and fee deduction by the intelligent controller, so that the intelligent degree is high, and meanwhile, the management of the whole system is very convenient.
Further: the power supply conversion circuit comprises a voltage reduction rectification circuit and a voltage stabilization shunt circuit, the voltage reduction rectification circuit is connected with an external power supply, the voltage stabilization shunt circuit is respectively connected with the voltage reduction rectification circuit and the intelligent controller, and the voltage output by the voltage reduction rectification circuit is subjected to voltage stabilization shunt processing and then output to the intelligent controller.
The beneficial effects of the further scheme are as follows: the voltage reduction and rectification circuit can be used for reducing and shaping the power supply provided by the outside, so that the circuit output to the voltage stabilization shunt circuit is consistent with the charging voltage of the electric automobile, the voltage output by the voltage reduction and rectification circuit can be subjected to voltage stabilization treatment through the voltage stabilization shunt circuit and is shunted into multiple paths, and the intelligent controller can conveniently provide voltage for each part of circuits in the intelligent controller.
Further: the intelligent control module further comprises a first LED indicating lamp and a printer, and the first LED indicating lamp and the printer are respectively connected with the intelligent controller.
The beneficial effects of the further scheme are as follows: the first LED indicator lamp can prompt that each charging pile is in a running state, a charging state or a state that a fault is to be eliminated and the like, so that background workers can conveniently master the working state of each charging pile in real time, and can timely find and take corresponding measures when the charging pile is abnormal; through the printer can be after charging the information of charging of treating the battery charging outfit and print, for example the time of charging, the electric quantity of charging and total charge etc. can improve user's consumption experience greatly like this.
Further: the intelligent control module also comprises a GPRS module, and the GPRS module is connected with the intelligent controller; the first communication interface comprises an RS485 interface, a CAN bus interface and an Ethernet interface, the intelligent controller is connected with the combined function module through the RS485 interface and/or the CAN bus interface, and the intelligent controller is connected with the cloud server through the Ethernet interface and/or the GPRS module.
The beneficial effects of the further scheme are as follows: the GPRS module can supplement a communication mode between the intelligent controller and the cloud server, so that the intelligent controller can keep normal work when an Ethernet or an Ethernet interface fails; through the RS485 interface CAN realize the intelligent control ware with two-way data communication between the combined function module, the CAN bus interface is as the alternative of RS485 interface CAN keep when the RS485 interface appears unusually the intelligent control ware with normally carry out data communication between the combined function module, improve the stability of system.
Further: the combined function module comprises a power input interface, an MCU (microprogrammed control unit), a second switching value driver, a second communication interface and charging units with the same number as the charging piles, wherein the power input interface is connected with an external power supply and all the charging units, each charging unit is connected with the MCU, the MCU is respectively connected with each charging unit through the second switching value driver, and the MCU is connected with the intelligent control module through the second communication interface.
The beneficial effects of the further scheme are as follows: through the control center who regards MCU as whole combined function module, it is convenient every the charging unit corresponds the state of charge of filling electric pile is controlled, and is very convenient, through second switching value driver can be according to corresponding fill electric pile the state of the electric lock that door state control corresponds for open or not close under the condition, the electric lock locking can not charge, has ensured the security of charging. In addition, the second switching value driver can drive the state of the contactor to indirectly control the power on-off state of the corresponding charging pile and the power input interface, so that the charging pile can charge the equipment to be charged on the premise of safety
Further: the charging unit comprises an overcurrent and overvoltage protector, a contactor, an electric energy meter, a charging interface, a control guider and an electric lock, the overcurrent and overvoltage protector, the contactor, the electric energy meter, the charging interface and the control tractor are sequentially connected in series between the power input interface and the MCU, the electric lock is arranged at the charging interface on the charging pile in a one-to-one correspondence mode, the electric lock is connected between the charging interface and the MCU, and the second switching value driver is respectively connected with the contactor and the MCU.
The beneficial effects of the further scheme are as follows: through the charging unit can be to corresponding fill electric pile and carry out the independent control, through whether control guide auto-induction detects the interface that charges and treats the battery charging outfit and be connected to automatic circular telegram after the two is connected, the back auto-power-off that charges has ended has ensured safe charging, easy operation, convenient and practical. The overcurrent and overvoltage protector in the circuit can protect the circuit, potential safety hazards caused by overlarge current and/or voltage in the circuit are avoided charging, the electric energy meter can measure the charging quantity of electricity, the MCU can automatically read a measuring result and complete fee deduction, and the calculation efficiency is greatly improved.
Further: the charging unit further comprises temperature sensors, the temperature sensors are arranged at the charging interface in a one-to-one correspondence mode, and the temperature sensors are connected with the MCU and detect the temperature of the charging interface in real time.
The beneficial effects of the further scheme are as follows: the temperature detector can detect the temperature at the charging interface in real time, when the temperature at the charging interface exceeds a set charging interface temperature threshold value, the MCU controls the switching value driver to drive the alternating current contactor to be disconnected, and fire hazard caused by overhigh temperature at the charging interface due to heating in the charging process is prevented.
Further: the charging unit further comprises an emergency stop button, and the emergency stop button is connected with the MCU.
The beneficial effects of the further scheme are as follows: through setting up emergency stop button can be when the abnormal conditions appears in the charging process, MCU passes through the drive of second switching value driver the contactor end comes, the shutdown circuit, further ensures the safety of charging.
Further: the combined function module further comprises a second LED indicator light, the second LED indicator light is connected with the MCU, the second communication interface comprises an RS485 interface and a CAN bus interface, and the MCU is connected with the intelligent control module through the RS485 interface and/or the CAN bus interface.
The beneficial effects of the further scheme are as follows: the second LED indicating lamp can prompt that each charging pile is in the conditions of operation, charging or fault waiting for removal and the like; through the RS485 interface CAN realize the two-way data transmission between the MCU and the intelligent control module, and when the RS485 interface is abnormal, the CAN bus interface CAN be used as the alternative transmission mode of the data signal between the MCU and the intelligent control module, thereby improving the stability of signal transmission.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1, an alternating-current charging pile control system for a stereo garage comprises an intelligent control module, a plurality of combined function modules, a plurality of charging piles and a cloud server, wherein the combined function modules are connected with the intelligent control module, the intelligent control module is connected with the cloud server, each charging pile is connected with one of the combined function modules, each charging pile is connected with a cable, and the cable is far away from the corresponding charging pile.
As shown in fig. 2, the intelligent control module includes an intelligent controller, a power conversion circuit, a display and input device, a first switching value driver, a radio frequency card reader, and a first communication interface, the power conversion circuit is connected to an external power supply and the intelligent controller, the display and input device, the first switching value driver, and the radio frequency card reader are all connected to the intelligent controller, and the intelligent controller is connected to the cloud server and all the combined function modules through the first communication interface. The intelligent controller is used as the center of the whole intelligent control module to conveniently receive control commands input from the outside and control the working state of each combined function module, and meanwhile, the radio frequency card reader can conveniently identify the charging card of a user and automatically finish charging and fee deduction by the intelligent controller, so that the intelligent degree is high, and meanwhile, the management of the whole system is very convenient.
Here, the first switching value driver is responsible for input detection of an external digital signal and output of a control signal to implement a charging control function. For example, the state of the cabinet door of the charging pile is detected and used as input, and the charging control is realized by the output control signal of the door lock.
The display and input device realizes the display of charging parameters of different charging piles, such as charging voltage, charging current, single accumulated charging capacity, single accumulated charging duration and the like. In addition, the display and input device can also touch related keys to realize a parameter input control function, and is very convenient.
Preferably, the power conversion circuit includes a step-down rectification circuit and a voltage-stabilizing shunt circuit, the step-down rectification circuit is connected with an external power supply, and the voltage-stabilizing shunt circuit is respectively connected with the step-down rectification circuit and the intelligent controller, and outputs the voltage output by the step-down rectification circuit to the intelligent controller after voltage-stabilizing shunt processing.
The voltage reduction and rectification circuit can be used for reducing and shaping the power supply provided by the outside, so that the circuit output to the voltage stabilization shunt circuit is consistent with the charging voltage of the electric automobile, the voltage output by the voltage reduction and rectification circuit can be subjected to voltage stabilization treatment through the voltage stabilization shunt circuit and is shunted into multiple paths, and the intelligent controller can conveniently provide voltage for each part of circuits in the intelligent controller.
Preferably, the intelligent control module further comprises a first LED indicator light and a printer, and the first LED indicator light and the printer are respectively connected with the intelligent controller.
The first LED indicator lamp can prompt that each charging pile is in a running state, a charging state or a state that a fault is to be eliminated and the like, so that background workers can conveniently master the working state of each charging pile in real time, and can timely find and take corresponding measures when the charging pile is abnormal; through the printer can be after charging the information of charging of treating the battery charging outfit and print, for example the time of charging, the electric quantity of charging and total charge etc. can improve user's consumption experience greatly like this.
Preferably, the intelligent control module further comprises a GPRS module, and the GPRS module is connected with the intelligent controller; the first communication interface comprises an RS485 interface, a CAN bus interface and an Ethernet interface, the intelligent controller is connected with the combined function module through the RS485 interface and/or the CAN bus interface, and the intelligent controller is connected with the cloud server through the Ethernet interface and/or the GPRS module.
The GPRS module can supplement a communication mode between the intelligent controller and the cloud server, so that the intelligent controller can keep normal work when an Ethernet or an Ethernet interface fails; through the RS485 interface CAN realize the intelligent control ware with two-way data communication between the combined function module, the CAN bus interface is as the alternative of RS485 interface CAN keep when the RS485 interface appears unusually the intelligent control ware with normally carry out data communication between the combined function module, improve the stability of system.
In practice, the first communication interface further includes a serial interface, and the serial interface is used as an expansion interface to realize other function expansion.
As shown in fig. 3 and 4, in this embodiment, the combined function module includes a power input interface, an MCU, a second switching value driver, a second communication interface, and charging units with the same number as that of the charging piles, the power input interface is connected to an external power supply and all the charging units, each charging unit is connected to the MCU, the MCU is connected to each charging unit through the second switching value driver, and the MCU is connected to the intelligent control module through the second communication interface.
Through the control center who regards MCU as whole combined function module, it is convenient every the charging unit corresponds the state of charge of filling electric pile is controlled, and is very convenient, through second switching value driver can be according to corresponding fill electric pile the state of the electric lock that door state control corresponds for open or not close under the condition, the electric lock locking can not charge, has ensured the security of charging.
In addition, the second switching value driver can drive the state of the contactor to indirectly control the power on-off state of the corresponding charging pile and the power input interface, so that the charging pile can charge the equipment to be charged on the premise of safety
Specifically, the charging unit comprises an overcurrent and overvoltage protector, a contactor, an electric energy meter, a charging interface, a control guider and an electric lock, the overcurrent and overvoltage protector, the contactor, the electric energy meter, the charging interface and the control tractor are sequentially connected in series between the power input interface and the MCU, the electric lock is arranged at the charging interface on the charging pile in a one-to-one correspondence mode, the electric lock is connected between the charging interface and the MCU, and the second switching value driver is respectively connected with the contactor and the MCU.
Through the charging unit can be to corresponding fill electric pile and carry out the independent control, through whether control guide auto-induction detects the interface that charges and treats the battery charging outfit and be connected to automatic circular telegram after the two is connected, the back auto-power-off that charges has ended has ensured safe charging, easy operation, convenient and practical.
The overcurrent and overvoltage protector in the circuit can protect the circuit, so that potential safety hazards caused by overlarge current and/or voltage in the circuit during charging are avoided; the electric energy meter can measure the charging electric quantity, and the MCU can automatically read the measuring result and complete fee deduction, so that the calculation efficiency is greatly improved.
Preferably, the charging unit further comprises temperature sensors, the temperature sensors are correspondingly arranged at the charging interface in a one-to-one manner, and the temperature sensors are connected with the MCU and detect the corresponding temperature at the charging interface in real time.
The temperature detector can detect the temperature at the charging interface in real time, when the temperature at the charging interface exceeds a set charging interface temperature threshold value, the MCU controls the switching value driver to drive the alternating current contactor to be disconnected, and fire hazard caused by overhigh temperature at the charging interface due to heating in the charging process is prevented.
Preferably, the charging unit further comprises an emergency stop button, and the emergency stop button is connected with the MCU. Through setting up emergency stop button can be when the abnormal conditions appears in the charging process, MCU passes through the drive of second switching value driver the contactor end comes, the shutdown circuit, further ensures the safety of charging.
Preferably, the combined function module further comprises a second LED indicator light, the second LED indicator light is connected with the MCU, the second communication interface comprises an RS485 interface and a CAN bus interface, and the MCU is connected with the intelligent control module through the RS485 interface and/or the CAN bus interface.
The second LED indicating lamp can prompt that each charging pile is in the conditions of operation, charging or fault waiting for removal and the like; through the RS485 interface CAN realize the two-way data transmission between the MCU and the intelligent control module, and when the RS485 interface is abnormal, the CAN bus interface CAN be used as the alternative transmission mode of the data signal between the MCU and the intelligent control module, thereby improving the stability of signal transmission.
In practice, the first communication interface further includes a serial interface, and the serial interface is used as an expansion interface to realize other function expansion.
In the invention, a user can be connected with the corona server through an intelligent terminal (such as an intelligent mobile phone, a tablet personal computer, a PDA and the like), check the state, the charging quantity, the charging cost and the like of the corresponding charging pile in real time, remotely control to cut off a charging power supply after full charging, and great convenience is brought to the user
The alternating current charging pile control system of the stereo garage can control the charging pile of each parking space in the stereo garage independently through the intelligent control module, is very convenient to manage in a centralized mode, can be flexibly arranged corresponding to one or more charging piles, achieves remote allocation and control through the cloud server, is very efficient, and has great promotion significance for popularization of electric vehicles.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.