CN219658033U - Multifunctional control board for EMS - Google Patents

Multifunctional control board for EMS Download PDF

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Publication number
CN219658033U
CN219658033U CN202320286590.3U CN202320286590U CN219658033U CN 219658033 U CN219658033 U CN 219658033U CN 202320286590 U CN202320286590 U CN 202320286590U CN 219658033 U CN219658033 U CN 219658033U
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resistor
circuit
pin
capacitor
diode
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汤慈全
熊刚
章云区
陈冬冬
王伟平
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Fujian Nebula Electronics Co Ltd
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Fujian Nebula Electronics Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

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Abstract

The utility model provides a multifunctional control board for EMS in the technical field of energy management systems, which comprises a CPU, a clock module, a storage module, an input/output module, a communication module, a power module, an ESAM safety module, an indicator lamp, a card reader interface, a debugging interface, a reset key, a buzzer and a display screen, wherein the CPU is connected with the clock module; the CPU is respectively connected with the clock module, the storage module, the input/output module, the communication module, the power module, the ESAM security module, the indicator light, the card swiping device interface, the debugging interface, the reset button, the buzzer and the display screen. The utility model has the advantages that: the functionality and expansibility of the control board are greatly improved.

Description

Multifunctional control board for EMS
Technical Field
The utility model relates to the technical field of energy management systems, in particular to a multifunctional control board for EMS.
Background
EMS (energy management system) is the regulation and control integration energy management system that promotes to lithium cell energy storage power station for centralized monitoring, unified operation, maintenance and management to lithium cell energy storage power station BMS and PCS, realized the real-time supervision of energy, diagnosis early warning, panoramic analysis, advanced control, the quick excision of trouble, alleviate electric wire netting pressure when the load peak, reduce electric wire netting running cost, improve economic benefits etc. function, satisfy operation monitoring comprehensive, safe analysis intellectuality, panoramic analysis dynamic demand for guarantee lithium cell energy storage power station safe, reliable, stable operation.
The control of the EMS depends on the control board, however, the conventional control board has a small number of interface types, resulting in a small number of types and numbers of accessible devices, and poor expansion performance. Therefore, how to provide a multifunctional control board for EMS to improve the functionality and expansibility of the control board is a technical problem to be solved.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a multifunctional control board for EMS, which can improve the functionality and expansibility of the control board.
The utility model is realized in the following way: a multifunctional control board for EMS comprises a CPU, a clock module, a storage module, an input/output module, a communication module, a power module, an ESAM safety module, an indicator light, a card reader interface, a debugging interface, a reset key, a buzzer and a display screen;
the CPU is respectively connected with the clock module, the storage module, the input/output module, the communication module, the power module, the ESAM security module, the indicator light, the card swiping device interface, the debugging interface, the reset button, the buzzer and the display screen.
Further, the clock module comprises a system clock circuit and a real-time clock circuit;
the system clock circuit comprises a clock chip U11, a resistor R58 and a capacitor C44; pins 1 and 4 of the clock chip U11 are connected with a capacitor C44, and a pin 2 is grounded; one end of the resistor R58 is connected with the pin 3 of the clock chip U11, and the other end of the resistor R is connected with the CPU;
the real-time clock circuit comprises a clock chip U10, a resistor R62, a resistor R63, a diode D8, a diode D9 and a battery J2; the input end of the diode D8 is connected with the resistor R62 and the resistor R63, and the output end of the diode D9 is connected with the pin VDD of the clock chip U10; the anode of the battery J2 is connected with the input end of the diode D9, and the cathode of the battery J is grounded; the pin SCL of the clock chip U10 is connected to the resistor R32 and the CPU, the pin SDA is connected to the resistor R62 and the CPU, and the pin NT is connected to the CPU.
Further, the memory module comprises an eMMC circuit, a DDR circuit, an SD card interface circuit and an SPI-FLASH circuit;
the eMMC circuit, the DDR circuit, the SD card interface circuit and the SPI-FLASH circuit are all connected with the CPU.
Further, the input/output module comprises a dry contact input circuit and a dry contact output circuit;
and the dry contact input circuit and the dry contact output circuit are connected with the CPU.
Further, the dry-contact input circuit includes an optocoupler U12, a resistor R57, a resistor R59, a resistor R60, a capacitor C45, a light emitting diode D6, and a diode D7;
the pin 1 of the optocoupler U12 is connected with the resistor R59 and the capacitor C45, the pin 2 is connected with the capacitor C45 and the input end of the diode D7, the pin 3 is grounded, and the pin 4 is connected with the resistor R60, the output end of the light-emitting diode D6 and the CPU; one end of the resistor R57 is connected with the input end of the light emitting diode D6, and the other end of the resistor R60 is connected with the resistor.
Further, the dry junction output circuit includes a relay K1, a resistor R61, a resistor R64, a resistor R65, a transistor Q1, a diode D10, and a light emitting diode D11;
one end of the resistor R64 is connected with the CPU, and the other end of the resistor R64 is connected with the resistor R65 and the b pole of the triode Q1; the e pole of the triode Q1 is connected with the resistor R65 and grounded, and the c pole is connected with the pin 8 of the relay K1, the input end of the diode D10 and the output end of the light-emitting diode D11; the pin 1 of the relay K1 is connected with the resistor R61 and the output end of the diode D10; the input terminal of the light emitting diode D11 is connected to the resistor R61.
Further, the communication module comprises an RS232 interface circuit, an RS485 isolation circuit, a CAN isolation circuit, an Ethernet circuit, a 4G communication circuit and a WI F I Bluetooth communication circuit;
and the RS232 interface circuit, the RS485 isolation circuit, the CAN isolation circuit, the Ethernet circuit, the 4G communication circuit and the WI F I Bluetooth communication circuit are all connected with the CPU.
Further, the power supply module comprises a super capacitor power-down storage circuit, a power supply time sequence control and reset circuit, a 3.3V output circuit, a 3.7V output circuit, a 5V-to-1.8V circuit, a 5V-to-1.5V circuit and a 5V-to-1.0V circuit;
the output end of the super capacitor power-down storage circuit is respectively connected with the input ends of the 3.3V output circuit, the 3.7V output circuit and the 5V output circuit; the output end of the 5V output circuit is respectively connected with the input ends of the 5V-to-1.8V circuit, the 5V-to-1.5V circuit and the 5V-to-1.0V circuit; the output ends of the 3.3V output circuit, the 5V-to-1.8V circuit, the 5V-to-1.5V circuit and the 5V-to-1.0V circuit are connected with the CPU; the power supply time sequence control and reset circuit is respectively connected with the CPU, the 5V-to-1.8V circuit, the 5V-to-1.5V circuit and the 5V-to-1.0V circuit.
Further, the super capacitor power-down storage circuit comprises a rectifying voltage-down chip U1, an operational amplification chip U2, a wiring terminal J1, a diode D2, a diode D3, a diode D4, a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4, a capacitor C5, a capacitor C6, a capacitor C7, a capacitor C8, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R7, a resistor R8, a resistor R9, a resistor R10, a resistor R11, a resistor R12, a resistor R13, a resistor R14, a resistor R15 and an inductor L1;
the pin 1 of the rectifying and voltage-reducing chip U1 is connected with the capacitor C5 and the capacitor C6 and grounded, the pin 2 is connected with the inductor L1 and the capacitor C7, the pin 3 is connected with the output ends of the capacitor C5, the capacitor C6, the resistor R12 and the diode D4, the pin 4 is connected with the resistor R2, the resistor R3 and the resistor R4, the pin 5 is connected with the resistor R12, the resistor R15 and the capacitor C8, and the pin 6 is connected with the capacitor C7;
the pin 1 of the wiring terminal J1 is connected with the input end of the diode D1, the pins 2, 3 and 4 are grounded, and the pin 5 is connected with the input end of the diode D3; the input end of the diode D2 is connected with the capacitor C3, the capacitor C4 and the resistor R1, and the output end of the diode D1, the output end of the diode D3 and the input end of the diode D4 are connected; the resistor R15 is connected with the capacitor C8 and grounded; after the capacitor C1 and the capacitor C2 are connected in parallel, one end of the capacitor C1 is connected with the inductor L1 and the resistor R1, and the other end of the capacitor C is grounded; the output end of the diode D5 is connected with the resistor R2, and the input end of the diode D5 is connected with the resistor R5 and the pin 1 of the operational amplifier chip U2;
the pin 2 of the operational amplifier chip U2 is connected with the resistor R5 and the resistor R8, the pin 3 is connected with the resistor R11 and the resistor R13, the pin 4 is grounded, the pin 5 is connected with the resistor R9 and the resistor R14, the pin 6 is connected with the resistor R6 and the resistor R7, and the pin 7 is connected with the resistor R6;
the resistor R10 is connected with the resistor R11; the resistor R7 is connected with the input ends of the 3.3V output circuit, the 3.7V output circuit and the 5V output circuit; the resistor R13, the resistor R14, the capacitor C3 and the capacitor C4 are all grounded.
Further, the power timing control and reset circuit includes a voltage stabilizing tube U7, a resistor R28, a resistor R30, a resistor R32, a resistor R34, a resistor R35, a resistor R38, a resistor R39, a resistor R40, a resistor R41, a resistor R45, a resistor R46, a resistor R48, a resistor R49, a resistor R50, a resistor R51, a resistor R52, a resistor R53, a capacitor C27, a capacitor C33, an operational amplifier U8A, an operational amplifier U8B, an operational amplifier U8C, an operational amplifier U8D, and a key SW1;
pins 1 and 2 of the voltage stabilizing tube U7 are connected with a resistor R28, a capacitor C33, a resistor R32, a resistor R40, a resistor R48 and a resistor R53, and a pin 3 is connected with the capacitor C33 and grounded;
the pin 1 of the operational amplifier U8A is connected with a resistor R29 and a 5V-to-1.0V circuit, the pin 3 is connected with a capacitor C27 and the resistor R29, the pin 6 is connected with a resistor R32 and a resistor R34, and the pin 7 is connected with a resistor R30; one end of the resistor R35 is connected with the resistor R34, and the other end of the resistor R is grounded;
the pin 2 of the operational amplifier U8B is connected with a resistor R38 and a 5V-to-1.8V circuit, the pin 4 is connected with a resistor R40 and a resistor R41, and the pin 5 is connected with a resistor R39;
the pin 8 of the operational amplifier U8C is connected with the resistor R48 and the resistor R49, the pin 9 is connected with the resistor R46, and the pin 14 is connected with the resistor R45 and a 5V-to-1.5V circuit;
pin 10 of the operational amplifier U8D is connected with a resistor R53, pin 11 is connected with a resistor R50 and a resistor R52, and pin 13 is connected with a resistor R51, a key SW1 and a CPU.
The utility model has the advantages that:
through setting up the clock module including system clock circuit and real-time clock circuit, including eMMC circuit, DDR circuit, SD card interface circuit and SPI-FLASH circuit's memory module, including the input/output module of dry contact input circuit and dry contact output circuit, including RS232 interface circuit, RS485 isolation circuit, CAN isolation circuit, ethernet circuit, 4G communication circuit and WI F I bluetooth communication circuit's communication module, including super capacitor power down memory circuit, power timing control and reset circuit, 3.3V output circuit, 3.7V output circuit, 5V changes 1.8V circuit, 5V changes 1.5V circuit and 5V changes 1.0V circuit's power module, ESAM security module, the pilot lamp, the card swiping device interface, debug interface, reset button, buzzer and display screen are connected with the CPU, not only richened the function of control panel, but also CAN expand as required when in actual use, and then very big promotion control panel's functional and expansibility.
Drawings
The utility model will be further described with reference to examples of embodiments with reference to the accompanying drawings.
Fig. 1 is a schematic block diagram of a multifunctional control board for EMS according to the present utility model.
Fig. 2 is a schematic block diagram of a power module of the present utility model.
Fig. 3 is a circuit diagram of the CPU of the present utility model.
Fig. 4 is a circuit diagram of a system clock circuit of the present utility model.
Fig. 5 is a circuit diagram of the real time clock circuit of the present utility model.
Fig. 6 is a circuit diagram of an eMMC circuit of the present utility model.
Fig. 7 is a circuit diagram of the DDR circuit of the present utility model.
Fig. 8 is a circuit diagram of an SD card interface circuit of the present utility model.
Fig. 9 is a circuit diagram of the SPI-FLASH circuit of the present utility model.
Fig. 10 is a circuit diagram of the dry contact input circuit of the present utility model.
Fig. 11 is a circuit diagram of the dry contact output circuit of the present utility model.
FIG. 12 is a circuit diagram of an RS232 interface circuit of the present utility model.
Fig. 13 is a circuit diagram of an RS485 isolation circuit of the utility model.
Fig. 14 is a circuit diagram of the CAN isolation circuit of the present utility model.
Fig. 15 is a circuit diagram of an ethernet circuit of the present utility model.
Fig. 16 is a circuit diagram of a 4G communication circuit of the present utility model.
Fig. 17 is a circuit diagram of the WI F I bluetooth communication circuit of the present utility model.
FIG. 18 is a circuit diagram of a super capacitor power down memory circuit of the present utility model.
Fig. 19 is a circuit diagram of a power timing control and reset circuit of the present utility model.
Fig. 20 is a circuit diagram of the 3.3V output circuit of the present utility model.
Fig. 21 is a circuit diagram of the 3.7V output circuit of the present utility model.
Fig. 22 is a circuit diagram of the 5V output circuit of the present utility model.
Fig. 23 is a circuit diagram of a 5V to 1.8V circuit of the present utility model.
Fig. 24 is a circuit diagram of the 5V to 1.5V circuit of the present utility model.
FIG. 25 is a circuit diagram of a 5V to 1.0V circuit of the present utility model.
Detailed Description
The embodiment of the utility model solves the technical problems of low variety and quantity of accessible equipment and poor expansion performance caused by less variety of interfaces of the control board in the prior art by providing the multifunctional control board for the EMS, and achieves the technical effect of greatly improving the functionality and expansibility of the control board.
The technical scheme in the embodiment of the utility model aims to solve the problems, and the overall thought is as follows: the clock module, the storage module, the input and output module, the communication module, the power module, the ESAM safety module, the indicator light, the card swiping device interface, the debugging interface, the reset key, the buzzer and the display screen are connected with the CPU, so that the functionality and the expansibility of the control panel are improved.
In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 25, a preferred embodiment of a multifunctional control board for EMS according to the present utility model includes a CPU, a clock module, a memory module, an input/output module, a communication module, a power module, an ESAM security module, an indicator light, a card reader interface, a debug interface, a reset button, a buzzer, and a display screen;
the CPU is used for controlling the work of the control panel, can run the Li nux system, in the implementation, only need to select the CPU capable of realizing the function from the prior art, and is not limited to the model, such as STM32F103 series CPU or ZYNQ 7010 of ST company, and the control program is well known to the person skilled in the art, and can be obtained by the person skilled in the art without the need of creative labor; the storage module is used for providing storage expansion for the EMS; the input/output module is used for I O signal transmission of the control board; the communication module is used for the EMS to communicate with the outside; the power supply module is used for supplying power to the control panel and can provide multiple paths of power supplies of 5V, 3.7V, 3.3V, 1.8V, 1.5V, 1V and the like; the ESAM security module is an embedded security control module and is controlled by an SPI interface of the CPU and used for encrypting communication data; the indicator lamp is used for indicating the running state of the control panel; the card reader interface is used for connecting with a card reader and providing a card reader interface for the EMS; the display screen is a touch display screen and is used for displaying related graphics for the EMS;
the CPU is respectively connected with the clock module, the storage module, the input/output module, the communication module, the power module, the ESAM security module, the indicator light, the card swiping device interface, the debugging interface, the reset button, the buzzer and the display screen.
The control panel also comprises a DO module consisting of a relay and a wiring terminal, wherein the DO module is connected with the CPU and is used for triggering related external actions; the system also comprises a DEBUG interface which is connected with the CPU and used for system debugging.
In order to realize the stability of the control board, all interfaces of the external connecting lines are isolation interfaces, and the control board is prevented from being abnormal due to the abnormality of an external bus.
The clock module comprises a system clock circuit and a real-time clock circuit;
the system clock circuit comprises a clock chip U11, a resistor R58 and a capacitor C44; pins 1 and 4 of the clock chip U11 are connected with a capacitor C44, and a pin 2 is grounded; one end of the resistor R58 is connected with the pin 3 of the clock chip U11, and the other end of the resistor R is connected with the CPU;
the real-time clock circuit comprises a clock chip U10, a resistor R62, a resistor R63, a diode D8, a diode D9 and a battery J2; the input end of the diode D8 is connected with the resistor R62 and the resistor R63, and the output end of the diode D9 is connected with the pin VDD of the clock chip U10; the anode of the battery J2 is connected with the input end of the diode D9, and the cathode of the battery J is grounded; the pin SCL of the clock chip U10 is connected to the resistor R32 and the CPU, the pin SDA is connected to the resistor R62 and the CPU, and the pin NT is connected to the CPU.
The memory module comprises an eMMC circuit, a DDR circuit, an SD card interface circuit and an SP I-FLASH circuit;
the eMMC circuit, the DDR circuit, the SD card interface circuit and the SPI-FLASH circuit are all connected with the CPU.
The input/output module comprises a dry contact input circuit and a dry contact output circuit;
and the dry contact input circuit and the dry contact output circuit are connected with the CPU.
The dry contact input circuit comprises an optocoupler U12, a resistor R57, a resistor R59, a resistor R60, a capacitor C45, a light emitting diode D6 and a diode D7; the model of the optical coupler U12 is preferably TLP-290-1GB;
the pin 1 of the optocoupler U12 is connected with the resistor R59 and the capacitor C45, the pin 2 is connected with the capacitor C45 and the input end of the diode D7, the pin 3 is grounded, and the pin 4 is connected with the resistor R60, the output end of the light-emitting diode D6 and the CPU; one end of the resistor R57 is connected with the input end of the light emitting diode D6, and the other end of the resistor R60 is connected with the resistor.
The dry junction output circuit comprises a relay K1, a resistor R61, a resistor R64, a resistor R65, a triode Q1, a diode D10 and a light emitting diode D11;
one end of the resistor R64 is connected with the CPU, and the other end of the resistor R64 is connected with the resistor R65 and the b pole of the triode Q1; the e pole of the triode Q1 is connected with the resistor R65 and grounded, and the c pole is connected with the pin 8 of the relay K1, the input end of the diode D10 and the output end of the light-emitting diode D11; the pin 1 of the relay K1 is connected with the resistor R61 and the output end of the diode D10; the input terminal of the light emitting diode D11 is connected to the resistor R61.
The communication module comprises an RS232 interface circuit, an RS485 isolation circuit, a CAN isolation circuit, an Ethernet circuit, a 4G communication circuit and a WI F I Bluetooth communication circuit; the RS485 isolation circuit is used for EMS connection battery, PCS, fire protection, MPPT and STS, and can be expanded to access other equipment; the Ethernet circuit is an Ethernet circuit with an isolation transformer, and the anti-interference performance can be effectively improved by connecting the Ethernet circuit with the optical fiber;
and the RS232 interface circuit, the RS485 isolation circuit, the CAN isolation circuit, the Ethernet circuit, the 4G communication circuit and the WI F I Bluetooth communication circuit are all connected with the CPU.
The power supply module comprises a super capacitor power-down storage circuit, a power supply time sequence control and reset circuit, a 3.3V output circuit, a 3.7V output circuit, a 5V-to-1.8V circuit, a 5V-to-1.5V circuit and a 5V-to-1.0V circuit;
the output end of the super capacitor power-down storage circuit is respectively connected with the input ends of the 3.3V output circuit, the 3.7V output circuit and the 5V output circuit; the output end of the 5V output circuit is respectively connected with the input ends of the 5V-to-1.8V circuit, the 5V-to-1.5V circuit and the 5V-to-1.0V circuit; the output ends of the 3.3V output circuit, the 5V-to-1.8V circuit, the 5V-to-1.5V circuit and the 5V-to-1.0V circuit are connected with the CPU; the power supply time sequence control and reset circuit is respectively connected with the CPU, the 5V-to-1.8V circuit, the 5V-to-1.5V circuit and the 5V-to-1.0V circuit.
The super capacitor power-down storage circuit comprises a rectifying voltage-reducing chip U1, an operational amplification chip U2, a wiring terminal J1, a diode D2, a diode D3, a diode D4, a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4, a capacitor C5, a capacitor C6, a capacitor C7, a capacitor C8, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R7, a resistor R8, a resistor R9, a resistor R10, a resistor R11, a resistor R12, a resistor R13, a resistor R14, a resistor R15 and an inductor L1; the model of the rectifying and voltage-reducing chip U1 is preferably SGM61230XTN6G/TR; the model of the operational amplifier chip U2 is preferably SGM8292XS8G/TR; the model of the wiring terminal J1 is preferably Q01 RM-3.81;
the pin 1 of the rectifying and voltage-reducing chip U1 is connected with the capacitor C5 and the capacitor C6 and grounded, the pin 2 is connected with the inductor L1 and the capacitor C7, the pin 3 is connected with the output ends of the capacitor C5, the capacitor C6, the resistor R12 and the diode D4, the pin 4 is connected with the resistor R2, the resistor R3 and the resistor R4, the pin 5 is connected with the resistor R12, the resistor R15 and the capacitor C8, and the pin 6 is connected with the capacitor C7;
the pin 1 of the wiring terminal J1 is connected with the input end of the diode D1, the pins 2, 3 and 4 are grounded, and the pin 5 is connected with the input end of the diode D3; the input end of the diode D2 is connected with the capacitor C3, the capacitor C4 and the resistor R1, and the output end of the diode D1, the output end of the diode D3 and the input end of the diode D4 are connected; the resistor R15 is connected with the capacitor C8 and grounded; after the capacitor C1 and the capacitor C2 are connected in parallel, one end of the capacitor C1 is connected with the inductor L1 and the resistor R1, and the other end of the capacitor C is grounded; the output end of the diode D5 is connected with the resistor R2, and the input end of the diode D5 is connected with the resistor R5 and the pin 1 of the operational amplifier chip U2;
the pin 2 of the operational amplifier chip U2 is connected with the resistor R5 and the resistor R8, the pin 3 is connected with the resistor R11 and the resistor R13, the pin 4 is grounded, the pin 5 is connected with the resistor R9 and the resistor R14, the pin 6 is connected with the resistor R6 and the resistor R7, and the pin 7 is connected with the resistor R6;
the resistor R10 is connected with the resistor R11; the resistor R7 is connected with the input ends of the 3.3V output circuit, the 3.7V output circuit and the 5V output circuit; the resistor R13, the resistor R14, the capacitor C3 and the capacitor C4 are all grounded.
The power supply time sequence control and reset circuit comprises a voltage stabilizing tube U7, a resistor R28, a resistor R30, a resistor R32, a resistor R34, a resistor R35, a resistor R38, a resistor R39, a resistor R40, a resistor R41, a resistor R45, a resistor R46, a resistor R48, a resistor R49, a resistor R50, a resistor R51, a resistor R52, a resistor R53, a capacitor C27, a capacitor C33, an operational amplifier U8A, an operational amplifier U8B, an operational amplifier U8C, an operational amplifier U8D and a key SW1; the model of the voltage stabilizing tube U7 is preferably CJ431; the model numbers of the operational amplifier U8A, the operational amplifier U8B, the operational amplifier U8C and the operational amplifier U8D are preferably LM239AD;
pins 1 and 2 of the voltage stabilizing tube U7 are connected with a resistor R28, a capacitor C33, a resistor R32, a resistor R40, a resistor R48 and a resistor R53, and a pin 3 is connected with the capacitor C33 and grounded;
the pin 1 of the operational amplifier U8A is connected with a resistor R29 and a 5V-to-1.0V circuit, the pin 3 is connected with a capacitor C27 and the resistor R29, the pin 6 is connected with a resistor R32 and a resistor R34, and the pin 7 is connected with a resistor R30; one end of the resistor R35 is connected with the resistor R34, and the other end of the resistor R is grounded;
the pin 2 of the operational amplifier U8B is connected with a resistor R38 and a 5V-to-1.8V circuit, the pin 4 is connected with a resistor R40 and a resistor R41, and the pin 5 is connected with a resistor R39;
the pin 8 of the operational amplifier U8C is connected with the resistor R48 and the resistor R49, the pin 9 is connected with the resistor R46, and the pin 14 is connected with the resistor R45 and a 5V-to-1.5V circuit;
pin 10 of the operational amplifier U8D is connected with a resistor R53, pin 11 is connected with a resistor R50 and a resistor R52, and pin 13 is connected with a resistor R51, a key SW1 and a CPU.
The working principle of the utility model is as follows:
the CPU controls the operation of the EMS based on a control instruction input by the display screen, stores the operation data to the storage module in real time, displays the operation data in real time through the display screen, indicates the operation state of the EMS through the indicator lamp, encrypts the operation data through the ESAM security module and then sends the operation data outwards through the communication module.
In summary, the utility model has the advantages that:
through setting up the clock module including system clock circuit and real-time clock circuit, including eMMC circuit, DDR circuit, SD card interface circuit and SPI-FLASH circuit's memory module, including the input/output module of dry contact input circuit and dry contact output circuit, including RS232 interface circuit, RS485 isolation circuit, CAN isolation circuit, ethernet circuit, 4G communication circuit and WIFI bluetooth communication circuit's communication module, including super capacitor power down memory circuit, power supply time sequence control and reset circuit, 3.3V output circuit, 3.7V output circuit, 5V changes 1.8V circuit, 5V changes 1.5V circuit and 5V changes the power module of 1.0V circuit, ESAM security module, the pilot lamp, the card swiping device interface, debug interface, reset button, buzzer and display screen are connected with the CPU, not only richened the function of control panel, but also CAN expand as required when in actual use, and then very big promotion control panel's functionality and expansibility.
While specific embodiments of the utility model have been described above, it will be appreciated by those skilled in the art that the specific embodiments described are illustrative only and not intended to limit the scope of the utility model, and that equivalent modifications and variations of the utility model in light of the spirit of the utility model will be covered by the claims of the present utility model.

Claims (10)

1. A multi-function control board for EMS, characterized in that: the system comprises a CPU, a clock module, a storage module, an input/output module, a communication module, a power module, an ESAM safety module, an indicator lamp, a card reader interface, a debugging interface, a reset key, a buzzer and a display screen;
the CPU is respectively connected with the clock module, the storage module, the input/output module, the communication module, the power module, the ESAM security module, the indicator light, the card swiping device interface, the debugging interface, the reset button, the buzzer and the display screen.
2. A multi-function control board for EMS according to claim 1, wherein: the clock module comprises a system clock circuit and a real-time clock circuit;
the system clock circuit comprises a clock chip U11, a resistor R58 and a capacitor C44; pins 1 and 4 of the clock chip U11 are connected with a capacitor C44, and a pin 2 is grounded; one end of the resistor R58 is connected with the pin 3 of the clock chip U11, and the other end of the resistor R is connected with the CPU;
the real-time clock circuit comprises a clock chip U10, a resistor R62, a resistor R63, a diode D8, a diode D9 and a battery J2; the input end of the diode D8 is connected with the resistor R62 and the resistor R63, and the output end of the diode D9 is connected with the pin VDD of the clock chip U10; the anode of the battery J2 is connected with the input end of the diode D9, and the cathode of the battery J is grounded; the pin SCL of the clock chip U10 is connected to the resistor R32 and the CPU, the pin SDA is connected to the resistor R62 and the CPU, and the pin NT is connected to the CPU.
3. A multi-function control board for EMS according to claim 1, wherein: the memory module comprises an eMMC circuit, a DDR circuit, an SD card interface circuit and an SPI-FLASH circuit;
the eMMC circuit, the DDR circuit, the SD card interface circuit and the SPI-FLASH circuit are all connected with the CPU.
4. A multi-function control board for EMS according to claim 1, wherein: the input/output module comprises a dry contact input circuit and a dry contact output circuit;
and the dry contact input circuit and the dry contact output circuit are connected with the CPU.
5. The multifunction control board for EMS of claim 4, wherein: the dry contact input circuit comprises an optocoupler U12, a resistor R57, a resistor R59, a resistor R60, a capacitor C45, a light emitting diode D6 and a diode D7;
the pin 1 of the optocoupler U12 is connected with the resistor R59 and the capacitor C45, the pin 2 is connected with the capacitor C45 and the input end of the diode D7, the pin 3 is grounded, and the pin 4 is connected with the resistor R60, the output end of the light-emitting diode D6 and the CPU; one end of the resistor R57 is connected with the input end of the light emitting diode D6, and the other end of the resistor R60 is connected with the resistor.
6. The multifunction control board for EMS of claim 4, wherein: the dry junction output circuit comprises a relay K1, a resistor R61, a resistor R64, a resistor R65, a triode Q1, a diode D10 and a light emitting diode D11;
one end of the resistor R64 is connected with the CPU, and the other end of the resistor R64 is connected with the resistor R65 and the b pole of the triode Q1; the e pole of the triode Q1 is connected with the resistor R65 and grounded, and the c pole is connected with the pin 8 of the relay K1, the input end of the diode D10 and the output end of the light-emitting diode D11; the pin 1 of the relay K1 is connected with the resistor R61 and the output end of the diode D10; the input terminal of the light emitting diode D11 is connected to the resistor R61.
7. A multi-function control board for EMS according to claim 1, wherein: the communication module comprises an RS232 interface circuit, an RS485 isolation circuit, a CAN isolation circuit, an Ethernet circuit, a 4G communication circuit and a WIFI Bluetooth communication circuit;
and the RS232 interface circuit, the RS485 isolation circuit, the CAN isolation circuit, the Ethernet circuit, the 4G communication circuit and the WIFI Bluetooth communication circuit are all connected with the CPU.
8. A multi-function control board for EMS according to claim 1, wherein: the power supply module comprises a super capacitor power-down storage circuit, a power supply time sequence control and reset circuit, a 3.3V output circuit, a 3.7V output circuit, a 5V-to-1.8V circuit, a 5V-to-1.5V circuit and a 5V-to-1.0V circuit;
the output end of the super capacitor power-down storage circuit is respectively connected with the input ends of the 3.3V output circuit, the 3.7V output circuit and the 5V output circuit; the output end of the 5V output circuit is respectively connected with the input ends of the 5V-to-1.8V circuit, the 5V-to-1.5V circuit and the 5V-to-1.0V circuit; the output ends of the 3.3V output circuit, the 5V-to-1.8V circuit, the 5V-to-1.5V circuit and the 5V-to-1.0V circuit are connected with the CPU; the power supply time sequence control and reset circuit is respectively connected with the CPU, the 5V-to-1.8V circuit, the 5V-to-1.5V circuit and the 5V-to-1.0V circuit.
9. The multifunction control board for EMS of claim 8, wherein: the super capacitor power-down storage circuit comprises a rectifying voltage-reducing chip U1, an operational amplification chip U2, a wiring terminal J1, a diode D2, a diode D3, a diode D4, a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4, a capacitor C5, a capacitor C6, a capacitor C7, a capacitor C8, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R7, a resistor R8, a resistor R9, a resistor R10, a resistor R11, a resistor R12, a resistor R13, a resistor R14, a resistor R15 and an inductor L1;
the pin 1 of the rectifying and voltage-reducing chip U1 is connected with the capacitor C5 and the capacitor C6 and grounded, the pin 2 is connected with the inductor L1 and the capacitor C7, the pin 3 is connected with the output ends of the capacitor C5, the capacitor C6, the resistor R12 and the diode D4, the pin 4 is connected with the resistor R2, the resistor R3 and the resistor R4, the pin 5 is connected with the resistor R12, the resistor R15 and the capacitor C8, and the pin 6 is connected with the capacitor C7;
the pin 1 of the wiring terminal J1 is connected with the input end of the diode D1, the pins 2, 3 and 4 are grounded, and the pin 5 is connected with the input end of the diode D3; the input end of the diode D2 is connected with the capacitor C3, the capacitor C4 and the resistor R1, and the output end of the diode D1, the output end of the diode D3 and the input end of the diode D4 are connected; the resistor R15 is connected with the capacitor C8 and grounded; after the capacitor C1 and the capacitor C2 are connected in parallel, one end of the capacitor C1 is connected with the inductor L1 and the resistor R1, and the other end of the capacitor C is grounded; the output end of the diode D5 is connected with the resistor R2, and the input end of the diode D5 is connected with the resistor R5 and the pin 1 of the operational amplifier chip U2;
the pin 2 of the operational amplifier chip U2 is connected with the resistor R5 and the resistor R8, the pin 3 is connected with the resistor R11 and the resistor R13, the pin 4 is grounded, the pin 5 is connected with the resistor R9 and the resistor R14, the pin 6 is connected with the resistor R6 and the resistor R7, and the pin 7 is connected with the resistor R6;
the resistor R10 is connected with the resistor R11; the resistor R7 is connected with the input ends of the 3.3V output circuit, the 3.7V output circuit and the 5V output circuit; the resistor R13, the resistor R14, the capacitor C3 and the capacitor C4 are all grounded.
10. The multifunction control board for EMS of claim 8, wherein: the power supply time sequence control and reset circuit comprises a voltage stabilizing tube U7, a resistor R28, a resistor R30, a resistor R32, a resistor R34, a resistor R35, a resistor R38, a resistor R39, a resistor R40, a resistor R41, a resistor R45, a resistor R46, a resistor R48, a resistor R49, a resistor R50, a resistor R51, a resistor R52, a resistor R53, a capacitor C27, a capacitor C33, an operational amplifier U8A, an operational amplifier U8B, an operational amplifier U8C, an operational amplifier U8D and a key SW1;
pins 1 and 2 of the voltage stabilizing tube U7 are connected with a resistor R28, a capacitor C33, a resistor R32, a resistor R40, a resistor R48 and a resistor R53, and a pin 3 is connected with the capacitor C33 and grounded;
the pin 1 of the operational amplifier U8A is connected with a resistor R29 and a 5V-to-1.0V circuit, the pin 3 is connected with a capacitor C27 and the resistor R29, the pin 6 is connected with a resistor R32 and a resistor R34, and the pin 7 is connected with a resistor R30; one end of the resistor R35 is connected with the resistor R34, and the other end of the resistor R is grounded;
the pin 2 of the operational amplifier U8B is connected with a resistor R38 and a 5V-to-1.8V circuit, the pin 4 is connected with a resistor R40 and a resistor R41, and the pin 5 is connected with a resistor R39;
the pin 8 of the operational amplifier U8C is connected with the resistor R48 and the resistor R49, the pin 9 is connected with the resistor R46, and the pin 14 is connected with the resistor R45 and a 5V-to-1.5V circuit;
pin 10 of the operational amplifier U8D is connected with a resistor R53, pin 11 is connected with a resistor R50 and a resistor R52, and pin 13 is connected with a resistor R51, a key SW1 and a CPU.
CN202320286590.3U 2023-02-22 2023-02-22 Multifunctional control board for EMS Active CN219658033U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116300591A (en) * 2023-02-22 2023-06-23 福建星云电子股份有限公司 Multifunctional control board for EMS and control method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116300591A (en) * 2023-02-22 2023-06-23 福建星云电子股份有限公司 Multifunctional control board for EMS and control method

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