CN215221799U - Charging system for charging cabinet - Google Patents

Abstract

The utility model discloses a charging system for cabinet charges, including input power, main control board, tall and erect board of ann, second power, branch control panel, charger. The main control board carries out local and remote monitoring management on the charging system for the charging cabinet according to the smoke sensor, the temperature sensor and the commercial power information collected by the collecting card. The main control board and the sub-control boards are matched to realize the hierarchical intelligent control management of the charging system for the charging cabinet, and the three-level motor-off system is realized, so that the safety is high.

Description

Charging system for charging cabinet

Technical Field

The utility model belongs to the technical field of the cabinet technique that charges and specifically relates to indicate a charging system for charging cabinet.

Background

Along with the implementation of charging station scheme in the whole country, private drawing is privately connected, the interior charging of building is forbidden comprehensively, according to the requirement, the regulation is parked and is charged, organize public areas such as sharing pavement, stairwell, elevator antechamber, safety exit in the clearance building and park in violation of rules and regulations, the action of the phenomenon of charging extensively develops, under this background, the electric motor car cabinet mode that charges takes place at will, compare in traditional dispersion charging, it is fast again convenient to charge the cabinet mode, has also become the more and more novel mode of professional knight favor.

The charging cabinet adopts a centralized charging mode and can charge a plurality of batteries at the same time. However, the charging system of the common charging cabinet is simple, lacks perfect safety control measures, and has low safety, so that serious safety accidents are easily caused during fire.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention is directed to the deficiency existing in the prior art, and the main objective thereof is to provide a charging system for a charging cabinet, which has high safety, thereby overcoming the deficiencies of the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the application provides a charging system for a charging cabinet, comprising an input power supply;

the first power supply is connected with the input power supply;

the main control board is connected to the first power supply; the main control board is connected with an acquisition card, an audible and visual alarm, a contactor KM1 and a fan; the acquisition card is connected with the smoke sensor, the temperature sensor and the input power supply;

the android board is connected to the main control board;

the second power supply and the plurality of sub-control boards; the input power supply is connected with the second power supply and the sub-control board; the contactor KM1 is arranged at the power supply input end of the second power supply and the sub-control board; the second power supply is connected with a sub-control board, and the sub-control board is connected with the main control board;

and the chargers are respectively connected to the sub-control boards.

Further, the first power supply and the second power supply are AC/DC power supplies.

Preferably, a backup battery is connected to the first power source.

Preferably, a charging wire is connected between the sub-control panel and the charger, and a fuse is arranged on the charging wire.

Preferably, the charging wire and the sub-control panel are connected through a plug.

Preferably, the sub-control board is connected to the main control board through a CAN bus.

Further, a lightning arrester is arranged at the input power supply.

Preferably, the android board and the main control board are respectively provided with an RJ45 interface.

Preferably, the first power supply, the second power supply and the sub-control board are connected with ground wires.

Preferably, the android board is connected with the touch display screen and the loudspeaker.

Compared with the prior art, the utility model obvious advantage and beneficial effect have, particularly, can know by above-mentioned technical scheme, a charging system for charging cabinet includes input power, main control board, android board, second power, divides control panel, charger. The main control board is connected with an acquisition card, an audible and visual alarm, a contactor KM1 and a fan; the collecting card is connected with a smoke sensor, a temperature sensor and an input power supply. The main control board can adjust the rotating speed of the fan in time according to information measured by the temperature sensor, so that the charging cabinet is at a safe temperature. The main control board can give an alarm and manage in time through the audible and visual alarm according to information detected by the smoke sensor, the temperature sensor and the sub-control board, and can cut off a power supply in time according to information detected on site to ensure safety. The detected information is transmitted to the cloud platform through the android board, and remote monitoring and management can be achieved. The sub-control board controls the individual charger, if the charger is abnormal, the sub-control board can cut off the power supply of the individual charger, and the situation that the individual charger cannot be charged in a large range is avoided. The main control board realizes the main control function of the charging system of the charging cabinet, and the sub-control boards realize the sub-control function of the independent chargers, so that the main control and the sub-control are matched to improve the safety.

In addition, be connected with a charging wire between branch control panel and the charger, be provided with the fuse on this charging wire. Therefore, when the control of the sub-control board is invalid, the fuse arranged on the charging wire can cut off the charging power supply of the battery in time, and the safety is further improved.

To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

Drawings

Fig. 1 is a schematic diagram of a system architecture according to an embodiment of the present invention.

Fig. 2 is a schematic diagram of a master electrical architecture according to an embodiment of the present invention.

Fig. 3 is a schematic diagram of a sub-control electrical architecture according to an embodiment of the present invention.

Fig. 4 is a schematic diagram of a system according to an embodiment of the present invention.

Fig. 5 is a schematic view of a-a in fig. 4 according to an embodiment of the present invention.

Fig. 6 is a schematic view of B-B in fig. 4 according to an embodiment of the present invention.

Fig. 7 is a schematic view of C-C in fig. 4 according to an embodiment of the present invention.

Fig. 8 is a schematic view of D-D in fig. 4 according to an embodiment of the present invention.

The attached drawings indicate the following:

10. input power supply 11 and lightning arrester

20. First power supply 21 and main control board

22. Audible and visual alarm 23 and smoke detector

24. Temperature sensor 25, fan

26. Contactor KM 127 and switch K1

28. Switch K229, switch K3

30. Android board 31 and touch display screen

32. Loudspeaker 33 and cloud platform

34. Data platform 35, OTA platform

40. Second power supply 41, sub-control board

42. Charger 43 and emergency stop switch SBS

44. Three-color indicator lamp 45 and standby battery

46. Charging wire 47, fuse.

Detailed Description

Referring to fig. 1 to 8, a specific structure of a preferred embodiment of the present invention is shown, which is a charging system for a charging cabinet.

The main control board 21 can perform local and remote monitoring and management on the charging system for the charging cabinet. The sub-control board 41 realizes the sub-control function for the individual charger 42, so that the total control and the sub-control are matched to improve the safety. Has three-level power-off control and high safety.

The present application provides a charging system for a charging cabinet comprising an input power source 10. The input power source 10 preferably uses three-phase power, and the three-phase power is in a three-phase five-wire system mode. The three-phase five-line system is UA incoming line, UB incoming line, UC incoming line, UN incoming line and grounding line. The input power source 10 includes a switch K127. The switch K127 is arranged on the UA incoming line, the UB incoming line, the UC incoming line and the UN incoming line. And the switch K127 controls the connection or disconnection of the UA incoming line, the UB incoming line, the UC incoming line and the UN incoming line. The switch K127 is switched off, so that the whole charging system is powered off, the expansion of accidents can be avoided, and the safety is improved. The input power source 10 is preferably mains power.

And a first power supply 20 connected to the input power supply 10. Where UC is fed into the first power supply 20 via switch K127. The first power supply 20 performs AC/DC conversion. The first power supply 20 supplies power to the main control board 21.

A main control board 21 connected to the first power supply 20; the main control board 21 is connected with an acquisition card, a contactor KM 126, a fan 25 and an audible and visual alarm 22, and the acquisition card is connected with a smoke sensor 23 and a temperature sensor 24 and inputs the power supply 10. And current transformers CT1 are arranged on the UA incoming line, the UB incoming line and the UC incoming line and are connected with an acquisition card, and the acquisition card acquires current parameters. The acquisition card is preferably a data acquisition card. The acquisition card comprises an electrical parameter acquisition module. Therefore, the acquisition card has an electrical parameter acquisition function and acquires the voltage of the UA incoming line, the UB incoming line and the UC incoming line. The main control board 21 can be selected from one of GAMX-2017, JS4R-0705A0, GAMX-2013, CI2701, SDCS-C0N-4|3ADT313900R1501 and IGBT main control board 21, or other main control boards 21 can be selected according to requirements. The main control board 21 processes and judges the temperature, current and voltage information collected by the acquisition card, and simultaneously transmits the information from the android board 30 to the cloud platform 33. When the smoke detector 23 and the temperature sensor 24 connected with the main control board 21 detect abnormal information, the audible and visual alarm 22 gives an alarm, and controls the fan 25 to rotate according to the detected information. The temperature sensor 24 is preferably a thermistor sensor.

And the android board 30 is connected to the main control board 21. The android board 30 is preferably Brilliant RK 3228. The android board 30 is provided with a communication module supporting 3G, 4G and 5G, wifi communication technologies. The android board 30 receives the information from the main control board 21. The android board 30 is connected with the touch display screen 31 and the loudspeaker 32, and can display information and prompt in sound. The android board 30 is connected with the cloud platform 33 through a wired or wireless network. The cloud platform 33 includes a data platform 34 and an OTA platform 35. Therefore, the charging system of the charging cabinet has the functions of remote management and monitoring, and meanwhile has the function of remote upgrading, and the safety is also improved.

A second power supply 40 and a plurality of sub-control boards 41; the input power supply 10 is connected with a second power supply 40 and a sub-control board 41; the contactor KM 126 is disposed at the power input terminals of the second power source 40 and the sub-control board 41. The contactor KM 126 for controlling the power input of the second power source 40 and the sub-control panel 41 is arranged at the power input ends of the second power source 40 and the sub-control panel 41; the second power source 40 is connected to a sub-control board 41, and the sub-control board 41 is connected to the main control board 21. The main control board 21 controls the contactor KM 126 to control the input power 10 of the second power source 40 and the sub-control board 41. When the charging system has a fault, the main control board 21 controls the contactor KM 126 to disconnect the power supplies of the second power supply 40 and the sub-control board 41, and the main control board 21 can still work normally, thereby improving the safety of the system. Preferably, there are 48 sub-control boards 41, which are divided into three groups, and each group of 16 sub-control boards 41 is connected to the UA incoming line, the UB incoming line, and the UC incoming line, respectively. The sub-control board 41 may be one of an EMG DeRui model DMC120, ABB SMIO-01C, OMIO-01C, Longkodo-D37 control board, Rootkey IQ10-35 MOD6G 50480-01, 50480-02, or the same board as the main control board 21.

And a plurality of chargers 42 respectively connected to the sub-control boards 41. The input power source 10 is connected to the second power source 40, and then the second power source 40 converts the input power source 10 to supply power to the sub-control panel 41. The second power supply 40 is preferably connected to the UC inlet line of the input power supply 10; the second power source 40 converts the input power source 10 into power supplied to the sub-control panel 41. The power supply of the charger 42 is controlled by the sub-control board 41. Each sub-control board 41 preferably controls a separate charger 42. Therefore, the charging system for the charging cabinet has local and remote monitoring and management functions and can process in time according to detected information. A charging system for charging cabinet has tertiary disconnected motor system, and the security is higher. The power failure of the input power supply 10 of the first stage, the power failure of the second power supply 40 of the second stage and the power failure of the sub-control panel 41 are included; and the three-stage independent charger 42 is powered off, so that the safety is high. The contactor KM 126 includes an emergency stop switch SBS43, and the emergency stop switch SBS43 is connected to the main control board 21. The emergency stop switch SBS43 is activated and the contactor KM 126 disconnects the power of the second power source 40 and the sub-control board 41. The sub-control panel 41 is provided with a three-color indicator 44 for displaying the charging state of the battery and an alarm. The main control board collects the charging state and the battery information of each battery compartment, interacts with the cloud platform, and simultaneously realizes main electrical components with the functions of whole cabinet safety logic control, OTA and the like. The sub-control board is responsible for main electrical components of current battery compartment battery insertion detection, battery information acquisition, charger input control and output control and adjustment, charging compartment protection, battery firmware upgrade and interaction with the main control board.

The basic functions of the charging system for the charging cabinet are as follows: the function of charging, the cabinet that charges possess 48 cabins that charges, can charge for 48PCS electric bicycle lithium cell packages simultaneously, and charging voltage, electric current can be adjusted according to battery real-time status. The batteries are interactive, and all information of the batteries in each charging bin can be acquired through 485 communication. The local display charging cabinet is provided with a touch display screen 31 and is designed with a multi-level sub-interface, and related real-time data information such as a battery, a charger 42 and a whole cabinet safety component can be displayed on site. Data uploading, the charging cabinet has a data interaction function with the cloud platform 33, and the battery, the electric cabinet real-time data and the state can be uploaded to the cloud platform 33 through a wired network or a wireless network and configuration and instructions issued by the cloud platform 33 can be received. And (4) state indication, wherein each charging bin is provided with an independent state indicator lamp and can indicate state information of the charging bin, the idle bin, the alarm and the like. Safety control, the cabinet that charges can real-time detection alternating current network side, battery side and each sensor real-time data, when having trouble to take place, can in time cut off corresponding trouble return circuit or major loop to avoid producing further loss. Voice broadcast charges the built-in speaker 32 of cabinet, can carry out voice broadcast to relevant state in the operation to the suggestion field personnel carry out necessary treatment. Audible and visual alarm, the charging cabinet is provided with an audible and visual alarm 22, and when relevant faults occur, a buzzer and a flashing lamp are started to alarm. And the charging cabinet has the function of the remote OTA, and the battery, the android board 30, the main control board 21, the sub-control board 41 and the charger 42 in the charging cabinet can be upgraded through the OTA platform. Standby power supply, the cabinet that charges possesses standby power supply, under the commercial power outage circumstances, can support main control panel 21 and android board 30 to work 1 hour continuously.

The system functions are as follows: and (3) battery insertion detection, wherein the sub-control panel 41 judges that the K127 and the K228 are effective or the 485 communication receives a correct reply message of the battery, the battery is considered to be effectively inserted, and the K127, the K228 and the 485 communication have anti-shake filtering measures, so that misjudgment is avoided. The battery data interaction sub-control board 41 can interact with the battery according to a battery communication protocol, and each communication instruction of the battery is cyclically read by the sub-control board 41 at an interval of 300mS and is transmitted to the main control board 21 in real time for local display and data uploading. The charging function is that after the charging cabinet is powered on, the sub-control panel 41 reads the relevant information of the charger 42 and confirms whether the working state of the charger 42 is normal; confirming maximum charging voltage and current information of the charger 42; the charger 42 mode of operation is configured. Charging, the sub-control board 41 recognizes that the battery has no fault and no protection after detecting that the battery is inserted, and the charger 42 enters a charging preparation state after recognizing that the battery has no fault and no protection; the sub-control board 41 sends a handshake instruction to the battery, and enters a stage of configuring charging current and voltage after the handshake is successful; after the handshake is successful, the sub-control board 41 reads the real-time battery charging request current, fixedly configures the output voltage to be 54.2V, enables the charger 42 to output the current and voltage values, and starts to charge; in the charging process, the sub-control board 41 reads the battery charging request current at an interval of 300mS in real time, and dynamically adjusts the output of the charger 42 according to the real-time request current. Stopping charging: the battery charging request current is less than or equal to 300mA for two minutes; battery charging over-voltage is effective; pulling out the battery; battery protection/fault bits are valid; the charger 42 protection bit/fault bit is active; charger 42 communication failure; a battery communication failure; the charger 42 outputs abnormal current (the difference between the current and the current configured by the sub-control board 41 is more than or equal to 1A).

And (4) control functions: after the power is turned on, and the main switch K127 of the charging cabinet is turned on, each bin sub-control panel 41 controls the power on of the bin charger 42, and initializes the charger 42. The fan control, when distribution bin temperature is greater than 40 ℃, main control board 21 control fan opens, and the fan is closed after being less than 35 ℃, can save energy.

Alarming and controlling the whole cabinet: smoke alarm, power distribution cabin overtemperature, battery overtemperature, charging overcurrent, charger 42 overtemperature, mains supply input serious overvoltage, mains supply input general overvoltage, mains supply input undervoltage, mains supply input overcurrent, mains supply input short circuit, emergency stop alarm and overlong charging time.

Single-bin alarming and controlling: NTC trouble, branch control panel 41 is lost, charging is unusual, charger 42 trouble, charger 42 protection, battery trouble, battery protection. It should be noted that the single bin herein refers to a charging bin for charging the battery.

The OTA function is as follows. The OTA platform has the main functions: registering a charging cabinet, wherein the charging cabinet is registered to an OTA platform before leaving a factory and comprises an electric cabinet number, equipment basic information, a floor city and the like; upgrading management, namely dividing areas according to each module of the electric cabinet, upgrading the android board 30, upgrading the main control board 21, upgrading the sub-control board 41, upgrading the charger 42 and upgrading the battery; and in an upgrading mode, upgrading all the electric cabinets and upgrading the specified electric cabinet list. And (3) updating package management, wherein the firmware packages are independently managed according to each module of the electric cabinet, the firmware packages of the sub-modules are independently uploaded, the firmware packages are uploaded to check the rule conformity of manufacturers, names, hardware versions and software versions, and CRC16 is checked. Firmware package management: a firmware package storage location. The android 30 firmware package is stored on the OTA platform. The firmware package of the main control board 21 is stored in the OTA platform and the android board 30. The sub-control panel 41 firmware package and the charger 42 firmware package are stored on the OTA platform and the android board 30. The battery firmware package is deposited in OTA platform, android board 30 and deposit branch control panel 41 board. Firmware package management rules: the battery and charger 42 package is managed according to the firmware type, manufacturer and hardware version, and the android board 30, the main control board 21 and the sub-control board 41 are managed according to the firmware type and hardware version. Android panel 30 OTA: after receiving the firmware upgrading instruction (without limiting the high and low versions) of the OTA platform 35, the android board 30 downloads the firmware to the local, and enters a to-be-upgraded state after the firmware is verified; checking charging cabinet alarm information by using the android board 30, and entering an upgrading state if the whole cabinet has no primary alarm; the charging is not cut off in the upgrading process. The main control board 21 OTA: after receiving the upgrading instruction of the main control board 21 of the OTA platform 35, the android board 30 downloads the firmware of the main control board 21 to the local, and enters a state to be upgraded after the firmware is verified; the android board 30 checks the charging cabinet alarm information, the whole cabinet has no primary alarm, and the whole cabinet enters an upgrading state; the android board 30 sends an upgrade command to the main control board 21, and after the upgrade handshake is successful, the upgrade is started according to the internal upgrade protocol; the charging is not cut off in the upgrading process. The sub-control panel 41 OTA: after receiving the upgrading instruction of the sub-control panel 41 of the OTA platform 35, the android board 30 downloads the firmware of the main control panel 21 to the local, and enters a state to be upgraded after the firmware is verified; the android board 30 checks the charging cabinet alarm information, the whole cabinet has no primary alarm, and the whole cabinet enters an upgrading state; the android board 30 sends an upgrade command to the sub-control board 41, the main control board 21 is in a protocol forwarding state, and after the upgrade handshake is successful, the upgrade is started according to the internal upgrade protocol; cutting off charging in the upgrading process; the battery OTA: after receiving the battery upgrading instruction of the OTA platform 35, the android board 30 downloads the battery firmware to the local, and after the firmware is verified, the battery is forwarded through the main control board 21; the firmware is stored in the sub-control panel 41; after detecting that the battery is inserted, the sub-control board 41 acquires information of a battery manufacturer, a hardware version and the like, and compares whether the battery software version needs to be upgraded or not; the sub-control board 41 acquires charging cabinet alarm information, and the whole cabinet does not have a primary alarm and enters a state to be upgraded; the sub-control board 41 starts to upgrade the battery according to the battery upgrade protocol; and the charging is cut off in the upgrading process. The charger 42 OTA: after the android board 30 and the OTA platform 35 update the charger 42, downloading the charger 42 firmware to the local, and storing the battery firmware in the sub-control board 41 in a forwarding mode through the main control board 21 after the verification firmware is completed; the sub-control board 41 detects information such as manufacturer of the charger 42, hardware version and the like, and compares whether the software version of the charger 42 of the current distribution bin needs to be upgraded or not; the sub-control board 41 acquires charging cabinet alarm information, and the whole cabinet does not have a primary alarm and enters a state to be upgraded; the sub-control board 41 starts to upgrade the charger 42 according to the charger 42 upgrading protocol; and the charging is cut off in the upgrading process.

Further, the first power source 20 and the second power source 40 are AC/DC power sources.

Preferably, a backup battery 45 is connected to the first power source 20. The backup battery 45 is preferably a lead-acid battery or a lithium battery. After the mains power fails, the backup battery 45 continues to supply power to the main control panel 21 through the first power supply 20 to ensure continuous monitoring of the charging system for the charging cabinet.

Preferably, a charging line 46 is connected between the sub-control panel 41 and the charger 42, and a fuse 47 is disposed on the charging line 46. The charging wire 46 is connected with the sub-control panel 41 through a plug. The plug is preferably an M25 plug. A charging wire 46 socket is arranged on the sub-control board 41, and an XT60 interface is arranged on the charger 42; one end of the charging line 46 is plugged into an XT60 interface, the other end of the charging line is connected to an M25 plug, and an M25 plug is plugged into a socket of the charging line 46. The fuse 47 is arranged on the charging wire 46, the sub-control board 41 cannot cut off the power supply of the charger 42, the current of the charger 42 is overloaded, the fuse 47 can play a role in protection and cut off the charging of the charger 42 to the battery in time, and the safety is improved.

Preferably, the sub-control board 41 is connected to the main control board 21 through a CAN bus. CAN is a short term for Controller Area Network (CAN), developed by BOSCH corporation of germany, which is known to develop and produce automotive electronics, and finally becomes an international standard (ISO 11898), which is one of the most widely used field buses internationally. The CAN bus allows access of the slave control board 41 to the master control board 21. The CAN bus has strong universality, CAN be connected with more sub-control boards 41, and is convenient for the main control board 21 to manage the sub-control boards 41.

Further, a lightning arrester 11 is arranged at the input power source 10. The UA incoming line, the UB incoming line and the UC incoming line of the input power supply 10 are respectively connected to the lightning arrester 11 after passing through the switch K127, so that the safety is improved.

Preferably, RJ45 interfaces are respectively disposed on the android board 30 and the main control board 21. The android board 30 and the main control board 21 are connected together through a network cable between the two RJ45 interfaces, and universality is strong.

Preferably, the first power supply 20, the second power supply 40 and the sub-control board 41 are connected with ground wires, so that the safety of the first power supply 20, the second power supply 40 and the sub-control board 41 is improved, and people are prevented from being injured by electric leakage.

Preferably, the android board 30 is connected with a touch display screen 31 and a loudspeaker 32. The related information of the charging system for the charging cabinet is displayed in the touch display screen 31, and the related information can be sent out through the loudspeaker 32, so that a user can know the information conveniently.

To sum up, the design of the present invention is characterized in that the charging system for the charging cabinet has a three-level power-off mechanism, which is the power-off of the first-level input power source 10, the power-off of the second-level second power source 40 and the sub-control panel 41; the three-level independent charger 42 can realize total power failure and regional power failure, and the independent charger 42 is high in safety. The charging system for the charging cabinet has a hierarchical control mechanism. The main control panel 21 can monitor and control the charging system for the charging cabinet, including environmental control in the charging cabinet and control of each sub-control panel 41, and the sub-control panel 41 controls the charger 42, so that the overall safety is high. Meanwhile, the charging system for the charging cabinet is provided with the android board 30, so that remote communication, monitoring and management can be supported, and the monitoring and management efficiency is high.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.

Claims (10)

1. A charging system for a charging cabinet, characterized in that: comprises an input power supply;

the first power supply is connected with the input power supply;

the main control board is connected to the first power supply; the main control board is connected with an acquisition card, an audible and visual alarm, a contactor KM1 and a fan; the acquisition card is connected with the smoke sensor, the temperature sensor and the input power supply;

the android board is connected to the main control board;

the second power supply and the plurality of sub-control boards; the input power supply is connected with the second power supply and the sub-control board; the contactor KM1 is arranged at the power supply input end of the second power supply and the sub-control board; the second power supply is connected with a sub-control board, and the sub-control board is connected with the main control board;

and the chargers are respectively connected to the sub-control boards.

2. The charging system for a charging cabinet according to claim 1, wherein: the first power supply and the second power supply are AC/DC power supplies.

3. The charging system for a charging cabinet according to claim 1, wherein: and the first power supply is connected with a standby battery.

4. The charging system for a charging cabinet according to claim 1, wherein: a charging wire is connected between the branch control panel and the charger, and a fuse is arranged on the charging wire.

5. The charging system for a charging cabinet according to claim 4, wherein: the charging wire and the sub-control panel are connected through a plug.

6. The charging system for a charging cabinet according to claim 1, wherein: the sub-control board is connected to the main control board through a CAN bus.

7. The charging system for a charging cabinet according to claim 1, wherein: the input power supply is provided with a lightning arrester.

8. The charging system for a charging cabinet according to claim 1, wherein: and RJ45 interfaces are respectively arranged on the android board and the main control board.

9. The charging system for a charging cabinet according to claim 1, wherein: and the first power supply, the second power supply and the sub control board are connected with ground wires.

10. The charging system for a charging cabinet according to claim 1, wherein: the android board is connected with the touch display screen and the loudspeaker.

Images