CN209297429U - integrated control intelligent charging management unit - Google Patents

Abstract

The embodiment of the utility model provides a comprehensive control intelligence charging management unit is related to, include: the core board card is used for connecting a charging pile ammeter and calculating charging cost; the wireless communication module is connected with the core board card; the switching circuit is connected with the wireless communication module and the core board card respectively; the at least two Internet of things cards are connected with the switching circuit; the switching circuit is used for responding to the control of the core board card and switching different Internet of things cards to be connected with the wireless communication module; the core board card is used for establishing communication connection with the charging platform through the Internet of things card connected with the wireless communication module, and uploading charging expense data to the charging platform for deduction.

Description

Comprehensively control smart charge administrative unit

Technical field

The utility model relates to the charging accounting technical fields of charging pile, more particularly to a kind of comprehensively control smart charge Administrative unit.

Background technique

It is the charging such as electric car, mobile terminal that charging pile, which provides electric energy by micro-capacitance sensor or national grid,.It is currently logical Comprehensively control smart charge administrative unit (abbreviation TCU) is crossed to deduct fees to the user to charge in charging pile.It is electronic with charging pile Illustrate for automobile charging, first cell phone application by charging platform hair charging instruction to charging pile and TCU, charging pile start to Electric car charging, charging pile start to count electricity by ammeter, and TCU utilizes its charging policy to electric energy tariff, by the expense of charging It is uploaded to charging platform with by Internet of Things network interface card such as SIM card, is deducted fees to automobile user.

If there is damage, the fault conditions such as underfed in Internet of Things network interface card, it is likely that will lead to TCU can not will be in expense Charging platform is reached to deduct fees.

Utility model content

Based on this, it is necessary to provide a kind of comprehensively control smart charge administrative unit.

A kind of comprehensively control smart charge administrative unit, comprising:

Core board for connecting charging pile ammeter, calculating charging expense；

Wireless communication module is connect with the core board；

Switching circuit is connect with the wireless communication module, core board respectively；And

At least two Internet of Things network interface cards, connect with the switching circuit；The switching circuit is in response to the core board Control, switch different Internet of Things network interface cards and connect with the wireless communication module；The core board be used for by with the nothing Line communication module connection Internet of Things network interface card and charging platform establish communicate to connect, will charging cost data be uploaded to charging platform into Row is deducted fees.

Above-mentioned comprehensively control smart charge administrative unit has more than two Internet of Things network interface cards, can be made by switching circuit The core board for obtaining comprehensively control smart charge administrative unit is switched to be connected from different Internet of Things network interface cards, can substantially reduce list The probability that expense can not be uploaded to charging platform to deduct fees when Internet of Things network interface card failure situation.

Each Internet of Things network interface card is SIM card in one of the embodiments,.

The quantity of the SIM card is two in one of the embodiments, respectively the first SIM card and the second SIM card, First SIM card and the second SIM card include: VCC pin, GND pin, RST pin, CLK pin, DATA pin；

The switching circuit includes: the analog switch of FSA2567MPX model；The analog switch and the wireless communication Module connection；The analog switch includes the first VSIM pin, the first RST pin, the first CLK pin, the first DATA pin, the Two VSIM pins, the 3rd VSIM pin, the 2nd RST pin, the 3rd RST pin, the second CLK pin, third CLK pin, second DATA pin, the 3rd DATA pin and selection pin；

The 2nd VSIM pin is connect with the VCC pin of the first SIM card, the 3rd VSIM pin and the second SIM card VCC pin connection, the 2nd RST pin connect with the RST pin of the first SIM card, the 3rd RST pin and second The RST pin of SIM card connects, and second CLK pin is connect with the CLK pin of the first SIM card, the third CLK pin and The CLK pin of second SIM card connects, and the 2nd DATA pin is connect with the DATA pin of the first SIM card, the 3rd DATA Pin is connect with the DATA pin of the second SIM card；The selection pin is connect with the core board, and the core board is used for By the selection pin to the analog switch transmission of control signals, to realize the analog switch in the first SIM Card and the switching connection of the second SIM card.

The wireless communication module includes: the 4G communication module of model ME3830 in one of the embodiments,；It is described The USIM_VCC pin of 4G communication module is connect with the first VSIM pin of the analog switch, the 4G communication module First DATA pin of USIM_DATA pin and analog switch connection, the USIM_CLK pin of the 4G communication module with it is described First CLK pin of analog switch connects, the USIM_RST pin of the 4G communication module and the first RST pin of analog switch Connection；

Wherein, the first VSIM pin is connect with the 2nd VSIM pin, the first RST pin is connect with the second CLK pin, When first CLK pin is connect with the second CLK pin, DATA input pin is connect with DATA1 output pin, the 4G communication module It is connect with first SIM card；The first VSIM pin is connect with the 3rd VSIM pin, the first RST pin draws with the 3rd CLK When foot connects, the first CLK pin is connect with third CLK pin, DATA input pin is connect with the 3rd DATA pin, the 4G is logical Letter module is connect with second SIM card.

The switching circuit in one of the embodiments, further include: model is that the first ESD of ESD05V35T-4L is put Electric diode and the second esd discharge diode；

The first esd discharge diode is walked with the VCC pin that connect the 2nd VSIM pin and the first SIM card respectively The cabling of the RST pin of line, the 2nd RST pin of connection and the first SIM card, the CLK for connecting the second CLK pin and the first SIM card The cabling connection of the DATA pin of the cabling of pin, connection the 2nd DATA pin and the first SIM card；First ESD is put Electric diode is also grounded；

The second esd discharge diode is walked with the VCC pin that connect the 3rd VSIM pin and the second SIM card respectively The cabling of the RST pin of line, the 3rd RST pin of connection and the second SIM card, the CLK for connecting third CLK pin and the second SIM card The cabling connection of the DATA pin of the cabling of pin, connection the 3rd DATA pin and the second SIM card；2nd ESD is put Electric diode is also grounded.

The switching circuit in one of the embodiments, further include: capacitor C91, capacitor C92, capacitor C93, capacitor The cabling of the DATA pin of C100, capacitor C101 and capacitor C102, connection the 3rd DATA pin and the second SIM card passes through Capacitor C91 ground connection, the cabling for connecting the RST pin of the 3rd RST pin and the second SIM card are grounded by capacitor C92, connect third The cabling of CLK pin and the CLK pin of the second SIM card is grounded by capacitor C93, connects the 2nd DATA pin and first The cabling of the DATA pin of SIM card is grounded by capacitor C101, connects walking for the CLK pin of the second CLK pin and the first SIM card Line is grounded by capacitor C102, and the cabling for connecting the RST pin of the 2nd RST pin and the first SIM card is grounded by capacitor C100.

It in one of the embodiments, further include display circuit, the display circuit includes common-mode filter, transmitter core Piece and communication interface for connecting graphical display；

The core board passes sequentially through the emitter chip, common-mode filter is connect with the communication interface.

It in one of the embodiments, further include kilomega network telecommunication circuit, the kilomega network telecommunication circuit includes: the 1000th Million network chips, the second gigabit networking chip, the first gigabit network interface and the second gigabit network interface；The core board card passes through first Gigabit networking chip and the first gigabit network interface connection；The core board card passes through the second gigabit networking chip and the second gigabit network interface Connection；

The core board card receives cloud platform or calculating by the first gigabit networking chip and the first gigabit network interface The control signal of machine, alternatively, the core board card receives cloud by the second gigabit networking chip and the second gigabit network interface The control signal of platform or computer.

It in one of the embodiments, further include encrypted circuit；The encrypted circuit includes: described in PSAM card and connection The PSAM deck of PSAM card further includes the read-write chip and ESAM chip of model M532a；The core board and the read-write Chip connection, the read-write chip are connect with the PSAM card, the ESAM chip respectively；The PSAM card passes through PSAM deck It is connect with the read-write chip.

It in one of the embodiments, further include audio playing circuit, the audio playing circuit includes audio-frequency amplifier And audio-frequence player device, the core board card are connect by the audio-frequency amplifier with the audio-frequence player device；

The core board is used to broadcast charge information by the audio-frequence player device.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the comprehensively control smart charge administrative unit in one embodiment；

Fig. 2 is the structural schematic diagram of the comprehensively control smart charge administrative unit in a specific embodiment；

Fig. 3 is the schematic diagram of the 4G communication module of the model ME3830 in a specific embodiment；

Fig. 4 is the structural schematic diagram of the voltage regulator circuit in a specific embodiment；

Fig. 5 is the structural schematic diagram of the 4G module resets circuit in a specific embodiment；

Fig. 6 is the structural schematic diagram of the sleep control circuit in a specific embodiment；

Fig. 7 is the connection schematic diagram of the antennal interface in a specific embodiment；

Fig. 8 is the structural schematic diagram of the display circuit in a specific embodiment；

Fig. 9 is the schematic diagram of the emitter chip of the model SN75LVDS83BDGG in a specific embodiment；

Figure 10 is the first, second gigabit networking chip that model in specific embodiment is AR8033-AL1B Schematic diagram；

Figure 11 is the structural schematic diagram of the encrypted circuit in a specific embodiment；

Figure 12 is the structural schematic diagram of the audio playing circuit in a specific embodiment.

Specific embodiment

In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain The utility model is not used to limit the utility model.

The embodiment of the present application proposes a kind of comprehensively control smart charge administrative unit, and Fig. 1 is comprehensive in one embodiment Close the structural schematic diagram of control smart charge administrative unit.

Referring to Fig. 1, the comprehensively control smart charge administrative unit includes:

Core board 10 for connecting charging pile ammeter, calculating charging expense；

Wireless communication module 20 is connect with the core board 10；

Switching circuit 30 is connect with the wireless communication module 20, core board 10 respectively；And

At least two Internet of Things network interface cards 40 are connect with the switching circuit 30；

The switching circuit 30 switches different Internet of Things network interface cards 40 and the nothing in response to the control of the core board 10 Line communication module 20 connects；The core board 10 be used for through the Internet of Things network interface card 40 that connect with the wireless communication module 20 and Charging platform establishes communication connection, and charging cost data is uploaded to charging platform and is deducted fees.

Specifically, core board 10 can be the core board of model SOM335X.Specifically, each Internet of Things network interface card 40 is equal For SIM card.Charging platform is a charge background system of charging station.Specifically, cell phone application by charging deduct fees platform hair fill Charging pile and comprehensively control smart charge administrative unit are arrived in electricity instruction, and charging pile starts to charge to electric car, and charging pile passes through Expense, to electric energy tariff, is passed through Internet of Things using its charging policy by ammeter quantity calculation, comprehensively control smart charge administrative unit 40 such as SIM cards of card are uploaded to charging platform, complete to deduct fees.

In one embodiment, the quantity of the SIM card is two, respectively the first SIM card and the second SIM card, the One SIM card and the second SIM card include: VCC pin, GND pin, RST pin, CLK pin, DATA pin；Referring to Fig. 2, The switching circuit 30 includes: the analog switch of FSA2567MPX model, and the analog switch of FSA2567MPX model is specifically one Money is two-way, low-power consumption, binary channels double-pole double throw analog switch.The analog switch is connect with the wireless communication module 20； The analog switch includes the first VSIM pin (VSIM pin in Fig. 2), the first RST pin (RST pin in Fig. 2), the first CLK Pin (CLK pin in Fig. 2), the first DATA pin (DAT pin in Fig. 4), the 2nd VSIM pin (1VSIM pin in Fig. 2), Three VSIM pins (2VSIM pin in Fig. 2), the 2nd RST pin (1RST pin in Fig. 2), (2RST draws the 3rd RST pin in Fig. 2 Foot), the second CLK pin (1CLK pin in Fig. 2), third CLK pin (2CLK pin in Fig. 2), the 2nd DATA pin is (in Fig. 2 1DAT output pin), the 3rd DATA pin (2DAT pin in Fig. 2) and selection pin (SEL pin in Fig. 2).

Referring to Fig. 2, the 2nd VSIM pin is connect with the VCC pin of the first SIM card, the 3rd VSIM pin with The VCC pin of second SIM card connects, and the 2nd RST pin is connect with the RST pin of the first SIM card, and the 3rd RST draws Foot is connect with the RST pin of the second SIM card, and second CLK pin is connect with the CLK pin of the first SIM card, the third CLK pin is connect with the CLK pin of the second SIM card, and the 2nd DATA pin is connect with the DATA pin of the first SIM card, institute The 3rd DATA pin is stated to connect with the DATA pin of the second SIM card；The selection pin is connect with the core board 10, described Core board 10 is used for through the selection pin to the analog switch transmission of control signals, to realize the analog switch In first SIM card and the switching connection of the second SIM card.Such as the core board 10, when exporting high level signal, simulation is opened Pass is connect with the second SIM card, and when the core board 10 exports low level signal, analog switch is connect with the first SIM card.

In one embodiment, referring to Fig. 3, the 4G that the wireless communication module 20 includes: model ME3830 leads to Believe module；Fig. 2 and Fig. 3 are please referred to, the USIM_VCC pin of the 4G communication module draws with the first VSIM of the analog switch Foot connection, the USIM_DATA pin of the 4G communication module and the first DATA pin of analog switch connect, and the 4G communicates mould The USIM_CLK pin of block is connect with the first CLK pin of the analog switch, the USIM_RST pin of the 4G communication module It is connect with the first RST pin of analog switch.

Wherein, the first VSIM pin is connect with the 2nd VSIM pin, the first RST pin is connect with the second CLK pin, When first CLK pin is connect with the second CLK pin, DATA input pin is connect with DATA1 output pin, the 4G communication module It is connect with first SIM card；The first VSIM pin is connect with the 3rd VSIM pin, the first RST pin draws with the 3rd CLK When foot connects, the first CLK pin is connect with third CLK pin, DATA input pin is connect with the 3rd DATA pin, the 4G is logical Letter module is connect with second SIM card.

In one embodiment, referring to Fig. 2, the switching circuit 30 further include: model is ESD05V35T-4L The first esd discharge diode and the second esd discharge diode；The first esd discharge diode respectively with connect second The cabling of the RST pin of the cabling of VSIM pin and the VCC pin of the first SIM card, the 2nd RST pin of connection and the first SIM card, Connect the cabling of the CLK pin of the second CLK pin and the first SIM card, connection the 2nd DATA pin and the first SIM card The cabling of DATA pin connects；The first esd discharge diode is also grounded.The second esd discharge diode respectively and even It connects the cabling of the VCC pin of the 3rd VSIM pin and the second SIM card, connect the RST pin of the 3rd RST pin and the second SIM card Cabling, connection third CLK pin and the second SIM card CLK pin cabling, connection the 3rd DATA pin and second The cabling of the DATA pin of SIM card connects；The second esd discharge diode is also grounded.

In one embodiment, referring to Fig. 2, the switching circuit 30 further includes capacitor C90；The VCC of analog switch draws Foot accesses 3.3V voltage；The VCC pin of analog switch is grounded by capacitor C90.Specifically, the capacitance of capacitor C90 is 0.1 μ F。

In one embodiment, referring to Fig. 2, the switching circuit 30 further include: capacitor C91, capacitor C92, capacitor The DATA pin of C93, capacitor C100, capacitor C101 and capacitor C102, connection the 3rd DATA pin and the second SIM card Cabling is grounded by capacitor C91, and the cabling for connecting the RST pin of the 3rd RST pin and the second SIM card is grounded by capacitor C92, The cabling of connection third CLK pin and the CLK pin of the second SIM card is grounded by capacitor C93, connects the 2nd DATA pin It is grounded with the cabling of the DATA pin of the first SIM card by capacitor C101, the CLK for connecting the second CLK pin and the first SIM card draws The cabling of foot is grounded by capacitor C102, and the cabling for connecting the RST pin of the 2nd RST pin and the first SIM card passes through capacitor C100 ground connection.

Specifically, as shown in Fig. 2, the comprehensively control smart charge administrative unit further includes two model SIM-8+1PIN USIM interface and two usim card slots, the first SIM card and the second SIM card are by usim card slot and model SIM- The USIM interface of 8+1PIN and the respective pins of analog switch connect.Usim card slot is less than preset value at a distance from USIM interface, Avoid cabling is too long from causing distorted signals.

In one embodiment, referring to Fig. 4, the comprehensively control smart charge administrative unit further includes voltage regulator circuit, The voltage regulator circuit includes the low-dropout regulator of model AMS117-1.8, capacitor C86, capacitor C87, capacitor C88, capacitor The voltage input end (VIN pin in Fig. 4) of C89, low-dropout regulator access 5V voltage, the voltage output end of low-dropout regulator (VOUT pin in Fig. 4) exports 1.8V voltage, and the voltage input end of low-dropout regulator passes through capacitor C86 respectively, capacitor C87 connects Ground, C86, capacitor C87 are in parallel, low-dropout regulator ground terminal (GND pin in Fig. 4) ground connection, and the voltage of low-dropout regulator is defeated Outlet passes through capacitor C88, capacitor C89 ground connection respectively, and capacitor C88, capacitor C89 are in parallel, the voltage output end of low-dropout regulator It is also connect with the HEAT_SINK pin of low-dropout regulator, HEAT_SINK pin connects heat dissipation bonding pad, low-dropout regulator Voltage output end is radiated by HEAT_SINK pin.The model of 4G communication module is ME3630, and power end is (in such as Fig. 3 1.8V pin) access the 1.8V voltage.Specifically, capacitor C86, capacitor C87, capacitor C88, capacitor C89 capacitance be 10 μ F。

In one embodiment, referring to Fig. 5, the comprehensively control smart charge administrative unit further includes 4G module resets Circuit, 4G module resets circuit include capacitor C105, the RESET_IN pin of the core board 10 and the 4G communication module Connection, the core board 10 are used to reset the 4G communication module, connection core board 10 and the 4G communication module The cabling of RESET_IN pin also passes through the capacitor C105 ground connection.Specifically, the capacitance of capacitor C105 is 0.1 μ F.

In one embodiment, referring to Fig. 6, the comprehensively control smart charge administrative unit further includes sleep control electricity Road, the sleep control circuit include capacitor C104, triode Q5, resistance R161 and resistance R162；The base stage of triode Q5 It is connect with core board 10, the collector of triode Q5 accesses 3.3V voltage by resistance R161, and the collector of triode Q5 is also Connect the WAKE_IN pin of 4G communication module, the emitter grounding of triode Q5, the collection of one end connecting triode Q5 of capacitor C104 Electrode, the emitter-base bandgap grading of other end connecting triode Q5, base stage of the core board 10 for output pulse signal to triode Q5, When the core board 10 output is the pulse signal of rising edge, the 4G communication module is waken up, the core board 10 When output is the pulse signal of failing edge, the 4G communication module is in a dormant state.

In one embodiment, referring to Fig. 7, the comprehensively control smart charge administrative unit further includes antennal interface J7 Pass through antennal interface J6 for connecting antenna receiver, antennal interface J7 with antennal interface J6, antennal interface J7, pass through antenna again Connecting line is connect with 4G communication module.Core board 10 is then to receive external signal using antenna receiver.

In one embodiment, the comprehensively control smart charge administrative unit, further includes display circuit, referring to Fig. 1, The display circuit includes common-mode filter 50, emitter chip 60 and the communication interface 70 for connecting graphical display； The core board 10 passes sequentially through the emitter chip 60, common-mode filter 50 is connect with the communication interface 70.Display Circuit is conducive to intuitive real-time display charge information.

Specifically, referring to Fig. 8, the model MCZ1210AH900L2TA0G of common-mode filter 50, the common mode of the model Filter 50 shares 5, respectively the first common-mode filter, the second common-mode filter, third common-mode filter, the 4th common mode Filter and the 5th common-mode filter；For connecting the model 29PIN-DVI-I of the communication interface of display.Please refer to figure 9, the model SN75LVDS83BDGG of emitter chip 60, the transmitter core of the model pass through this 5 common-mode filters respectively It is connect with the communication interface of the model.

Specifically, Fig. 8 and Fig. 9, the emitter chip 60 of core board 10 and model SN75LVDS83BDGG are please referred to D0 pin~D27 pin connection, Y1M pin, the Y1P pin of the emitter chip 60 of the model respectively correspond and the first common mode Two input terminals of filter connect, and Y1M pin, the Y1P pin of the emitter chip 60 of the model are respectively corresponded to be total to second Two input terminals of mode filter connect, and the Y2M pin of the emitter chip 60 of the model, Y2P pin respectively corresponds and third Two input terminals of common-mode filter connect, CLKP pin, the CLKM pin of the emitter chip 60 of the model respectively correspond with Two input terminals of the 4th common-mode filter connect, and Y3M pin, the Y3P pin of the emitter chip 60 of the model respectively correspond It is connect with two input terminals of the 5th common-mode filter, two output ends of the first common-mode filter respectively correspond logical with the model Believe RXIN0- pin, the connection of RXIN0+ pin of interface, two output ends of the second common-mode filter respectively correspond and the model The RXIN1- pin of communication interface, the connection of RXIN1+ pin, two output ends of third common-mode filter respectively correspond and the type The RXIN2- pin of signal communication interface, the connection of RXIN2+ pin, two output ends of the 4th common-mode filter are respectively corresponded and are somebody's turn to do The RXCLK- pin of model communication interface, the connection of RXCLK+ pin, two output ends of the 5th common-mode filter respectively correspond with The RXIN3- pin of the model communication interface, the connection of RXIN3+ pin, RXIN0- pin, the RXIN0+ of the model communication interface draw Foot, RXIN1- pin, RXIN1+ pin, RXIN2- pin, RXIN2+ pin, RXIN3- pin, RXIN3+ pin, RXCLK- draw Foot and RXCLK+ pin are connected with the respective pins of graphical display respectively.

In one embodiment, which further includes kilomega network telecommunication circuit, please be joined Fig. 1 is read, the kilomega network telecommunication circuit includes: the first gigabit networking chip 80, the second gigabit networking chip 90, the first kilomega network Mouth 100 and the second gigabit network interface 110；The core board 10 passes through the first gigabit networking chip 80 and the first gigabit network interface 100 connections；The core board 10 is connect by the second gigabit networking chip 90 with the second gigabit network interface 110；

The core board 10 receives cloud platform by the first gigabit networking chip 80 and the first gigabit network interface 100 Or computer control signal or the core board 10 pass through the second gigabit networking chip 90 and the second kilomega network Mouth 110 receives the control signal of cloud platform or computer.Kilomega network traffic rate is fast, is conducive to comprehensively control smart charge pipe Manage the long-range control of unit.

Specifically, referring to Fig. 10, the model of the first gigabit networking chip 80, the second gigabit networking chip 90 is AR8033-AL1B.Core board 10 with the first gigabit networking chip 80, the second gigabit networking chip 90 TXD0 pin~ TXD3 pin, RXD0 pin~RXD3 pin, TX_EN pin, RX_DV pin, RX_CLK pin, the connection of GTX_CLK pin, the TRXDP0~TRXDP3 pin, the TRXDN0~TRXDN3 pin of one gigabit networking chip 80 connect with the first gigabit network interface 100 Connect, TRXDP0~TRXDP3 pin of the second gigabit networking chip 90, TRXDN0~TRXDN3 pin with the second gigabit network interface 110 connections.

In one embodiment, which further includes encrypted circuit；Referring to Fig. 1, The encrypted circuit includes: the PSAM deck of PSAM card 120 and the connection PSAM card 120, further includes model M532a Read-write chip 130 and ESAM chip 140；The core board is connect with the read-write chip 130, and the read-write chip 130 is divided It is not connect with the PSAM card 120, the ESAM chip 140；The PSAM card 120 passes through PSAM deck and the read-write chip 130 connections.

Specifically, Figure 11 is please referred to, the model M532a read-write chip 130 is drawn including SAMIO1 pin, SAMIO2 Foot, SAMRST1 reset pin, SAMRST2 reset pin, SAMCLK clock pins；The SAMIO1 pin of the read-write chip 130 It being connect with the I/O pin of ESAM chip 140, the SAMIO2 pin of the read-write chip 130 is connect with PSAM deck DATA pin, The SAMRST1 pin of the read-write chip 130 is connect with the RST pin of ESAM chip 140, the read-write chip 130 SAMIRST2 reset pin is connect with the RST pin of PSAM card 120, the SAMCLK clock pins difference of the read-write chip 130 It is connect with the CLK pin of PSAM card 120CLK pin, ESAM chip 140.Specifically, the model of the ESAM chip 140 NARI-ESAM。

In one embodiment, Figure 11, the encrypted circuit are please referred to further include: third esd discharge diode and 4th esd discharge diode；Third esd discharge diode respectively with connect read-write chip 130SAMIO2 pin and PSAM card The cabling of 120DATA pin, is connect connection read-write chip 130SAMRST2 reset pin and the cabling of PSAM card 120RST pin Read-write chip 130SAMCLK pin is connect with the cabling of PSAM card 120CLK pin；Third esd discharge diode is also grounded.The Four esd discharge diodes respectively with the cabling of the I/O pin of the SAMIO1 pin and ESAM chip 140 that connect read-write chip 130, It connects the cabling of the SAMRST1 pin of the read-write chip 130 and the RST pin of ESAM chip 140, connect the read-write chip 130 SAMCLK pin is connect with the cabling of the CLK pin of ESAM chip 140.Third esd discharge diode and the 4th ESD The model of discharge diode is ESD05V35T-4L.

In one embodiment, Figure 11, the encrypted circuit are please referred to further include: capacitor C56, capacitor C57, capacitor C58, capacitor C63, capacitor C64, capacitor C65, SAMIO2 pin and the PSAM card 120DATA pin for connecting read-write chip 130 Cabling is grounded by capacitor C56, and the cabling for connecting the SAMRST2 pin of read-write chip 130 and the RST pin of PSAM card 120 is logical The cabling for crossing the CLK pin of capacitor C58 ground connection, the SAMCLK pin of connection read-write chip 130 and PSAM card 120 passes through capacitor C57 ground connection.The cabling for connecting the SAMIO1 pin of read-write chip 130 and the I/O pin of NARI-ESAM chip 140 passes through capacitor C63 ground connection connects the SAMRST1 pin of the read-write chip 130 and the cabling of the RST pin of NARI-ESAM chip 140 passes through Capacitor C65 ground connection connects the SAMCLK pin of the read-write chip 130 and the cabling of the CLK pin of ESAM chip 140 passes through electricity Hold C64 ground connection.

In one embodiment, Figure 11 is please referred to, the encrypted circuit further includes capacitor C59, capacitor C60, capacitor The CAP1 pin of C61, read-write chip 130 are grounded by capacitor C59, and CAP2 pin is grounded by capacitor C60, read-write chip 130 VDD pin access 3.3V voltage, the VDD pin of read-write chip 130 also passes through capacitor C61 and is grounded；

In one embodiment, Figure 11 is please referred to, the encrypted circuit further includes resistance R94, read-write chip 130 SAMCLK pin also passes through resistance R94 access 3.3V voltage.

In one embodiment, Figure 11 is please referred to, the encrypted circuit further includes capacitor C62, ESAM chip 140 VCC pin accesses 3.3V voltage, and the VCC pin of ESAM chip 140 also passes through capacitor C62 and is grounded.

In one embodiment, Figure 11 is please referred to, the encrypted circuit further includes resistance R90, resistance R91, resistance R92, resistance R93, resistance R94 and resistance R95；The SAMIO2 pin of the read-write chip 130 passes through resistance R92 and PSAM card 120 DATA pin connection, the SAMCLK pin of the read-write chip 130 are connected by resistance R91 and PSAM card 120CLK pin It connects, the SAMRST2 pin of the read-write chip 130 is connect by resistance R90 with PSAM card 120RST pin；PSAM card 120DATA pin accesses 3.3V voltage by resistance R93；The SAMIO1 pin of the read-write chip 130 by resistance R97 with The I/O pin of ESAM chip 140 connects, and the I/O pin of ESAM chip 140 accesses 3.3V voltage, the read-write by resistance R95 The SAMRST1 pin of chip 130 is connect by resistance R96 with the RST interface of NARI-ESAM chip 140, the read-write chip 130 SAMCLK pin interface is connect by resistance R98 with the CLK pin of ESAM chip 140.

In one embodiment, which further includes audio playing circuit, is please referred to Fig. 1, the audio playing circuit include audio-frequency amplifier 150 and audio-frequence player device 160, and the core board 10 passes through described Audio-frequency amplifier 150 is connect with the audio-frequence player device 160；The core board 10 is used to pass through the audio-frequence player device 160 casting charge informations.

Specifically, Figure 12, the model WM8960CGEFL of audio-frequency amplifier 150 are please referred to, audio-frequence player device 160 is Stereo loudspeaker, the BCLK pin of the core board 10 and the audio-frequency amplifier 150, DACLRC pin, DACDAT pin, The connection of ADCDAT pin, HP_L pin, the HP_R pin of the audio-frequency amplifier 150 are connect with stereo loudspeaker.Specifically, please join Figure 12 is read, the HP_L pin of the audio-frequency amplifier 150 of the model is connected by an input terminal of capacitor C50 and stereo loudspeaker It connects, HP_R pin is connected by another input terminal of capacitor C51 and stereo loudspeaker.

The comprehensively control smart charge administrative unit of the embodiment of the present application further includes shell, comprehensively control smart charge pipe The circuit structure of reason unit is set in the shell, which protects the circuit structure of comprehensively control smart charge administrative unit, But also comprehensively control smart charge administrative unit becomes more portable modular unit.

The comprehensively control smart charge administrative unit of the embodiment of the present application, has more than two Internet of Things network interface cards 40, by cutting Changing circuit 30 can make the core board 10 of comprehensively control smart charge administrative unit be switched to and different Internet of Things network interface cards 40 Expense, can not be uploaded to charging platform to deduct fees general by connection when can substantially reduce single 40 failure situation of Internet of Things network interface card Rate.

Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited In contradiction, all should be considered as described in this specification.

Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed, But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.

Claims (10)

1. a kind of comprehensively control smart charge administrative unit characterized by comprising

Core board for connecting charging pile ammeter, calculating charging expense；

Wireless communication module is connect with the core board；

Switching circuit is connect with the wireless communication module, core board respectively；And

At least two Internet of Things network interface cards, connect with the switching circuit；Control of the switching circuit in response to the core board System, switches different Internet of Things network interface cards and connect with the wireless communication module；The core board be used for by with the channel radio Believe that the Internet of Things network interface card of module connection and charging platform are established to communicate to connect, charging cost data is uploaded to charging platform and is detained Take.

2. comprehensively control smart charge administrative unit according to claim 1, which is characterized in that

Each Internet of Things network interface card is SIM card.

3. comprehensively control smart charge administrative unit according to claim 2, which is characterized in that

The quantity of the SIM card is two, and respectively the first SIM card and the second SIM card, the first SIM card and the second SIM card are wrapped It includes: VCC pin, GND pin, RST pin, CLK pin, DATA pin；

The switching circuit includes: the analog switch of FSA2567MPX model；The analog switch and the wireless communication module Connection；The analog switch includes the first VSIM pin, the first RST pin, the first CLK pin, the first DATA pin, second VSIM pin, the 3rd VSIM pin, the 2nd RST pin, the 3rd RST pin, the second CLK pin, third CLK pin, second DATA pin, the 3rd DATA pin and selection pin；

The 2nd VSIM pin is connect with the VCC pin of the first SIM card, the VCC of the 3rd the VSIM pin and the second SIM card Pin connection, the 2nd RST pin connect with the RST pin of the first SIM card, the 3rd RST pin and the second SIM card The connection of RST pin, second CLK pin are connect with the CLK pin of the first SIM card, the third CLK pin and the 2nd SIM The CLK pin of card connects, and the 2nd DATA pin is connect with the DATA pin of the first SIM card, the 3rd DATA pin and The DATA pin of second SIM card connects；The selection pin is connect with the core board, and the core board is for passing through institute Selection pin is stated to the analog switch transmission of control signals, to realize the analog switch in first SIM card and the The switching connection of two SIM cards.

4. comprehensively control smart charge administrative unit according to claim 3, which is characterized in that

The wireless communication module includes: the 4G communication module of model ME3830；The USIM_VCC of the 4G communication module draws Foot is connect with the first VSIM pin of the analog switch, the USIM_DATA pin of the 4G communication module and analog switch The connection of first DATA pin, the USIM_CLK pin of the 4G communication module are connect with the first CLK pin of the analog switch, The USIM_RST pin of the 4G communication module and the first RST pin of analog switch connect；

Wherein, the first VSIM pin is connect with the 2nd VSIM pin, the first RST pin is connect with the second CLK pin, first When CLK pin is connect with the second CLK pin, DATA input pin is connect with DATA1 output pin, the 4G communication module and institute State the connection of the first SIM card；The first VSIM pin is connect with the 3rd VSIM pin, the first RST pin and third CLK pin connect It connects, when the first CLK pin is connect with third CLK pin, DATA input pin is connect with the 3rd DATA pin, the 4G communicates mould Block is connect with second SIM card.

5. comprehensively control smart charge administrative unit according to claim 4, which is characterized in that the switching circuit is also wrapped Include: model is the first esd discharge diode and the second esd discharge diode of ESD05V35T-4L；

The first esd discharge diode respectively with the cabling for the VCC pin for connecting the 2nd VSIM pin and the first SIM card, even Connect the cabling of the RST pin of the 2nd RST pin and the first SIM card, the CLK pin of the second CLK pin of connection and the first SIM card The cabling connection of the DATA pin of cabling, connection the 2nd DATA pin and the first SIM card；First esd discharge, two pole Pipe is also grounded；

The second esd discharge diode respectively with the cabling for the VCC pin for connecting the 3rd VSIM pin and the second SIM card, even Connect the cabling of the RST pin of the 3rd RST pin and the second SIM card, the CLK pin of connection third CLK pin and the second SIM card The cabling connection of the DATA pin of cabling, connection the 3rd DATA pin and the second SIM card；Second esd discharge, two pole Pipe is also grounded.

6. comprehensively control smart charge administrative unit according to claim 5, which is characterized in that the switching circuit is also wrapped It includes: capacitor C91, capacitor C92, capacitor C93, capacitor C100, capacitor C101 and capacitor C102, connection the 3rd DATA pin It is grounded with the cabling of the DATA pin of the second SIM card by capacitor C91, the RST for connecting the 3rd RST pin and the second SIM card draws The cabling of foot is grounded by capacitor C92, and the cabling for connecting the CLK pin of third CLK pin and the second SIM card passes through capacitor C93 Ground connection, the cabling for connecting the DATA pin of the 2nd DATA pin and the first SIM card are grounded by capacitor C101, connection second The cabling of CLK pin and the CLK pin of the first SIM card is grounded by capacitor C102, connects the 2nd RST pin and the first SIM card The cabling of RST pin be grounded by capacitor C100.

7. comprehensively control smart charge administrative unit according to claim 6, which is characterized in that it further include display circuit, The display circuit includes common-mode filter, emitter chip and the communication interface for connecting graphical display；

The core board passes sequentially through the emitter chip, common-mode filter is connect with the communication interface.

8. comprehensively control smart charge administrative unit according to claim 7, which is characterized in that further include gigabit Network Communication Circuit, the kilomega network telecommunication circuit include: the first gigabit networking chip, the second gigabit networking chip, the first gigabit network interface with And the second gigabit network interface；The core board card passes through the first gigabit networking chip and the first gigabit network interface connection；The core board Card passes through the second gigabit networking chip and the second gigabit network interface connection；

The core board card receives cloud platform or computer by the first gigabit networking chip and the first gigabit network interface Signal is controlled, alternatively, the core board card receives cloud platform by the second gigabit networking chip and the second gigabit network interface Or the control signal of computer.

9. comprehensively control smart charge administrative unit according to claim 8, which is characterized in that further include encrypted circuit； The encrypted circuit includes: PSAM card and the PSAM deck for connecting the PSAM card, further includes the read-write core of model M532a Piece and ESAM chip；The core board is connect with the read-write chip, the read-write chip respectively with the PSAM card, described The connection of ESAM chip；The PSAM card is connect by PSAM deck with the read-write chip.

10. comprehensively control smart charge administrative unit according to claim 9, which is characterized in that further include that audio plays Circuit, the audio playing circuit include audio-frequency amplifier and audio-frequence player device, and the core board card passes through the audio Amplifier is connect with the audio-frequence player device；

The core board is used to broadcast charge information by the audio-frequence player device.