CN217116111U - Extensible integrated control module suitable for power conversion system - Google Patents
Extensible integrated control module suitable for power conversion system Download PDFInfo
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- CN217116111U CN217116111U CN202123443271.9U CN202123443271U CN217116111U CN 217116111 U CN217116111 U CN 217116111U CN 202123443271 U CN202123443271 U CN 202123443271U CN 217116111 U CN217116111 U CN 217116111U
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Abstract
The utility model discloses an extensible integrated control module suitable for a power conversion system, which comprises a standard function submodule, a communication extension submodule and a state indication submodule; the standard function submodule is connected with the communication expansion submodule, and the communication expansion submodule is connected with the state indication submodule; each sub-module is respectively integrated on the corresponding PCB, and the PCBs are in a detachable connection mode; the communication expansion submodule comprises a CAN2 communication circuit, an RS232 communication circuit, an RS485 communication circuit, a comprehensive output circuit, an Ethernet communication circuit and a TF card circuit which are connected with the standard function submodule, wherein the TF card circuit is also connected with the Ethernet communication circuit; the utility model discloses compatible multiple communication mode and the demand of passageway have improved the suitability of integrated control module to all kinds of power conversion control system multichannel, multi-mode communication demand, are showing research and development, production and fortune dimension cost that reduces integrated control ware communication part among the power conversion system.
Description
Technical Field
The utility model belongs to the technical field of the power conversion system, concretely relates to extensible integrated control module suitable for power conversion system.
Background
Along with the continuous deepening of the industrialization process and the continuous rising of the requirements of the power conversion system, the design complexity and the cost of the power conversion system are continuously increased, the traditional control module has too many integrated functions, the system complexity is easily improved in the complex system building process, the system function is complicated, and the system development cost is improved.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem that above-mentioned background art mentioned, the utility model provides an extensible integrated control module suitable for power conversion system through appearance design standardization, appearance design and inner structure modularization, communication mode and communication channel extensible integrated control module to solve the problem that proposes in the above-mentioned background art.
In order to realize the technical purpose, the utility model discloses a technical scheme does:
an extensible integrated control module suitable for a power conversion system comprises a standard function submodule, a communication extension submodule and a state indication submodule; the standard function sub-module is connected with the communication expansion sub-module, and the standard function sub-module is connected with the state indication sub-module; each sub-module is respectively integrated on the corresponding PCB, and the PCBs are in a detachable connection mode; the communication expansion submodule comprises a CAN2 communication circuit, an RS232 communication circuit, an RS485 communication circuit, a comprehensive output circuit, an Ethernet communication circuit and a TF card circuit which are connected with the standard function submodule, wherein the TF card circuit is also connected with the Ethernet communication circuit; the CAN2 communication circuit transmits data of an external function module to the standard function sub-module, the RS232 communication circuit transmits image data to an external display device, the RS485 communication circuit transmits image data to the external display device, the comprehensive output circuit outputs a dry contact signal to the external device, the Ethernet communication circuit transmits Ethernet communication data to the standard function sub-module, and the TF card circuit transmits all data of the standard function sub-module to an external TF card.
Preferably, the standard function sub-module comprises a communication management and data processing circuit, a power supply unit circuit and a CAN1 communication circuit, wherein the communication management and data processing circuit comprises a basic peripheral circuit based on a single chip microcomputer and a multiplexing circuit of a universal input/output port, the CAN1 communication circuit is connected with the communication management and data processing circuit and transmits data of an external integrated control module to the communication management and data processing circuit, and the power supply module supplies power to all sub-modules.
Preferably, the input and output ports of the CAN2 communication circuit, the RS232 communication circuit, the RS485 communication circuit, the integrated output circuit, the ethernet communication circuit and the TF card circuit of the communication expansion submodule are universal multiplexing ports, and all the communication circuits in the communication expansion submodule are detachable.
Preferably, the CAN2 communication circuit comprises a CTM1051 chip, a first zener diode, a first capacitor and a second capacitor, wherein the TXD and RXD terminals of the CTM1051 chip are respectively connected to the communication management and data processing circuit through corresponding CAN2_ TX data lines and CAN2_ RX data lines; the VCC end of the CTM1051 chip is connected with a 3.3V power supply; the GND end of the CTM1051 chip is grounded; the cathode of the first voltage-stabilizing diode is connected with a 3.3V power supply, and the anode of the first voltage-stabilizing diode is grounded; one ends of the first capacitor and the second capacitor are both connected with a 3.3V power supply, and the other ends of the first capacitor and the second capacitor are both grounded; and the CANH end and the CANL end of the CTM1051 chip are used as external output ends.
Preferably, the RS232 communication circuit includes an RSM232 chip, a second zener diode, and a third capacitor; the TXD end and the RXD end of the RSM232 chip are respectively accessed into a communication management and data processing circuit through corresponding UART4_ Tx data lines and UART4_ Rx data lines; the VCC end of the RSM232 chip is connected with a 3.3V power supply; the GND end of the RSM232 chip is grounded; the cathode of the second voltage-stabilizing diode is connected with a 3.3V power supply, and the anode of the second voltage-stabilizing diode is grounded; one end of the third capacitor is connected with a 3.3V power supply, and the other end of the third capacitor is grounded; and the TOUT end, the RIN end and the RGND end of the RSM232 chip are used as external output ends.
Preferably, the RS485 communication circuit comprises an RSM485ECTH chip, a third zener diode, a fourth capacitor and a fifth capacitor, and the TXD, RXD and EN terminals of the RSM485ECTH chip are respectively accessed to the communication management and data processing circuit through corresponding UART2_ Tx data lines, UART2_ Rx data lines and RS485EN data lines; the VCC end of the RSM485ECTH chip is connected with a 3.3V power supply; the GND end of the RSM485ECTH chip is grounded; the cathode of the third voltage-stabilizing diode is connected with a 3.3V power supply, and the anode of the third voltage-stabilizing diode is grounded; one ends of the fourth capacitor and the fifth capacitor are both connected with a 3.3V power supply, and the other ends of the fourth capacitor and the fifth capacitor are both grounded; and the end B and the end A of the RSM485ECTH chip are used as external output ends.
Preferably, the TF card circuit comprises a TF1 chip, a first resistor, a second resistor, a third resistor, a fourth resistor and a sixth capacitor, a DATA0 end of the TF1 chip is connected to the communication management and DATA processing circuit through an SPI1_ MISO DATA line, and a DATA0 end is further connected with the first resistor and then connected to a 3.3V power supply; the DATA3 end of the TF1 chip is accessed to a communication management and DATA processing circuit through an SPI1_ NSS2 DATA line; the DATA3 end is also connected with a second resistor and then connected with a 3.3V power supply; the CLK end of the TF1 chip is connected to a communication management and data processing circuit through an SPI1_ SCLK data line, and is connected to a 3.3V power supply after being connected to a third resistor; the CMD end of the TF1 chip is connected to a communication management and data processing circuit through an SPI1_ MOSI data line, and is connected to a 3.3V power supply after being connected to a fourth resistor; the VDD end of the TF1 chip is connected with a 3.3V power supply, and the VSS end is grounded; one end of the sixth capacitor is connected with a 3.3V power supply, and the other end of the sixth capacitor is grounded; pins 10, 11, 12 and 13 of the TF1 chip are grounded.
Preferably, the integrated output circuit comprises an MMBT4401 triode, a fifth resistor, a sixth resistor, a first diode and a Relay-DPDT Relay, a base of the MMBT4401 triode is connected with the fifth resistor and then connected to the communication management and data processing circuit, a common end of the base of the MMBT4401 triode and the fifth resistor is connected with the sixth resistor and then grounded, an emitter of the MMBT4401 triode is grounded, a collector of the MMBT4401 triode is connected with an anode of the first diode, a cathode of the first diode is connected with a first pin of the Relay-DPDT Relay and then connected to a 24V power supply, a collector of the MMBT4401 triode is further connected with an eighth pin of the Relay-DPDT Relay, a first pin of the Relay-DPDT Relay is connected to the 24V power supply, a third pin of the Relay-DPDT Relay is connected with a sixth pin and then connected to the communication management and data processing circuit, and a fourth pin and a fifth pin of the Relay-DPDT Relay are connected and then serve as output ends.
Preferably, the status indication submodule includes a communication indication unit connected to the communication management and data processing circuit, a mode setting unit and a module setting unit, the communication management and data processing circuit transmits an alarm signal to the communication indication unit, the mode setting unit transmits an operation mode signal to the communication management and data processing circuit, and the module setting unit transmits a management mode signal to the communication management and data processing circuit.
Adopt the beneficial effect that above-mentioned technical scheme brought:
the standardized sampling module realizes modular design by means of function division areas, the communication management and data processing circuit, the power supply circuit, the CAN1 communication circuit, the communication indicating unit, the mode setting unit and the module setting unit are used as universal parts of the standardized and modular design, and other unnecessary communication function parts are extracted to be used as communication expansion submodules Production and operation and maintenance costs.
Drawings
Fig. 1 is a schematic diagram of an expandable integrated control module suitable for use in a power conversion system according to an embodiment of the present invention;
fig. 2 is a schematic diagram of an extensible integrated control module CAN2 communication circuit suitable for a power conversion system according to an embodiment of the present invention;
fig. 3 is a schematic diagram of an extensible integrated control module 232 communication circuit suitable for a power conversion system according to an embodiment of the present invention;
fig. 4 is a schematic diagram of an extensible integrated control module 485 communication circuit suitable for a power conversion system according to an embodiment of the present invention;
fig. 5 is a schematic circuit diagram of an integrated output circuit of an expandable integrated control module suitable for a power conversion system according to an embodiment of the present invention;
fig. 6 is a schematic diagram of an extensible integrated control module TF card communication circuit suitable for a power conversion system according to an embodiment of the present invention;
fig. 7 is a three-dimensional diagram of a standard function sub-module of an expandable integrated control module suitable for a power conversion system according to an embodiment of the present invention;
fig. 8 is a three-dimensional diagram of a communication expansion submodule of an expandable integrated control module suitable for a power conversion system according to an embodiment of the present invention;
fig. 9 is a three-dimensional diagram of a status indication submodule of an expandable integrated control module suitable for a power conversion system according to an embodiment of the present invention;
fig. 10 is a schematic structural installation diagram of an expandable integrated control module suitable for a power conversion system according to an embodiment of the present invention.
Detailed Description
The technical solution of the present invention will be described in detail below with reference to the accompanying drawings.
Referring to fig. 1, in the embodiment of the present application, the present invention provides an extensible integrated control module suitable for a power conversion system, which includes a standard function sub-module, a communication extension sub-module, and a status indication sub-module. The standard functional submodule comprises a communication management and data processing circuit 1 which is used for communication management, data storage and logic operation. And the communication unit 2 is used for external similar module communication to realize the expansion of the number of system communication channels. A power supply unit 12 for supplying power to the units 1 to 11. The overall three-dimensional design is shown in fig. 2.
The communication expansion submodule comprises a communication unit 3, a schematic diagram is shown in fig. 3, a CAN2_ RX and a CAN2_ TX port of a communication management and data processing circuit 1 are connected with the communication unit 3 of the communication expansion submodule, a single type or at most 10 functional expansion modules compatible with the same CAN communication protocol CAN be freely expanded through the communication protocol, the total number is not more than 20, the functions of analog quantity sampling, switching value control and the like required by the comprehensive control module are expanded, and the dimensional design is shown in fig. 6.
The communication unit 4 is a 232 communication circuit, and a schematic design diagram is shown in fig. 4. The communication unit 5 is a 485 communication circuit, and a design schematic diagram is shown in fig. 5. The 232 communication circuit and the 485 communication circuit can be used for communication between an external liquid crystal display screen and the standard functional submodule.
The design schematic of the integrated output circuit 6 is shown in fig. 6. The main output is dry contact signal, mainly used for comprehensive fault output or comprehensive control output.
The Ethernet communication circuit 7 is connected with the standard functional submodule 1 through SPI bus communication in AFIO 1-AFIO 16 shown in FIG. 2.
The TF card circuit 8 is designed as shown in fig. 7. The overall three-dimensional design of the communication expansion submodule is shown in fig. 8.
The three-dimensional design of the status indication submodule is shown in fig. 9, and the status indication submodule comprises a communication indication unit for sending out a communication indication alarm under a preset condition; the mode setting unit can set the working modes of the comprehensive control module through the dial switch, and the working modes comprise a communication test mode, an independent working mode and a parallel working mode. The module setting unit can set the management mode of the comprehensive control module through the dial switch, including the expanded module types and the number of modules.
In the embodiment of the present application, a specific installation diagram of a design of a partitioned functional module is shown in fig. 10, and a structure No. 1 in fig. 10 is a standard functional sub-module. Structure No. 2 in fig. 10 is a status indication submodule. The structure No. 3 in fig. 10 is a communication extension submodule.
The extensible integrated control module suitable for the power conversion system provided by the application takes the communication management and data processing circuit, the power supply circuit, the CAN1 communication circuit, the communication indicating unit, the mode setting unit and the module setting unit thereof as the universal part of standardization and modular design, extracts other unnecessary communication functional parts as the module communication extension submodule, CAN change the communication type of the module as long as the communication type and the communication channel of the communication extension submodule are changed, and simultaneously CAN realize the extension of the same module, namely, the structural design is realized, the requirements of various communication modes and channels are met, the adaptability of the integrated control module to the multi-channel and multi-mode communication requirements of various power conversion control systems is improved, the low-cost and quick design of the system is realized, the research and development of the communication part of an integrated controller in the power conversion system are obviously reduced, Production and operation and maintenance costs.
The embodiment is only for explaining the technical thought of the utility model, can not limit with this the utility model discloses a protection scope, all according to the utility model provides a technical thought, any change of doing on technical scheme basis all falls into the utility model discloses within the protection scope.
Claims (9)
1. An extensible integrated control module suitable for a power conversion system is characterized by comprising a standard function submodule, a communication extension submodule and a state indication submodule; the standard function sub-module is connected with the communication expansion sub-module, and the standard function sub-module is connected with the state indication sub-module; each sub-module is respectively integrated on the corresponding PCB, and the PCBs are in a detachable connection mode; the communication expansion submodule comprises a CAN2 communication circuit, an RS232 communication circuit, an RS485 communication circuit, a comprehensive output circuit, an Ethernet communication circuit and a TF card circuit which are connected with the standard function submodule, wherein the TF card circuit is also connected with the Ethernet communication circuit; the CAN2 communication circuit transmits data of an external function module to the standard function sub-module, the RS232 communication circuit transmits image data to an external display device, the RS485 communication circuit transmits image data to the external display device, the comprehensive output circuit outputs a dry contact signal to the external device, the Ethernet communication circuit transmits Ethernet communication data to the standard function sub-module, and the TF card circuit transmits all data of the standard function sub-module to an external TF card.
2. The scalable integrated control module suitable for power conversion system of claim 1, wherein the standard function sub-modules comprise communication management and data processing circuit, power supply unit circuit and CAN1 communication circuit, wherein the communication management and data processing circuit comprises a single-chip microcomputer based basic peripheral circuit and a multiplexing circuit of general purpose input/output port, the CAN1 communication circuit is connected with the communication management and data processing circuit and transmits data of external integrated control module to the communication management and data processing circuit, and the power supply unit circuit supplies power to all sub-modules.
3. The scalable integrated control module suitable for power conversion system according to claim 1, wherein the input/output ports of the CAN2 communication circuit, the RS232 communication circuit, the RS485 communication circuit, the integrated output circuit, the ethernet communication circuit and the TF card circuit of the communication expansion submodule are all universal multiplexing ports, and all the communication circuits in the communication expansion submodule are detachable.
4. The scalable integrated control module suitable for a power conversion system according to claim 2, wherein the CAN2 communication circuit comprises a CTM1051 chip, a first zener diode, a first capacitor and a second capacitor, wherein TXD and RXD terminals of the CTM1051 chip are respectively connected to the communication management and data processing circuit through corresponding CAN2_ TX data lines and CAN2_ RX data lines; the VCC end of the CTM1051 chip is connected with a 3.3V power supply; the GND end of the CTM1051 chip is grounded; the cathode of the first voltage-stabilizing diode is connected with a 3.3V power supply, and the anode of the first voltage-stabilizing diode is grounded; one ends of the first capacitor and the second capacitor are both connected with a 3.3V power supply, and the other ends of the first capacitor and the second capacitor are both grounded; and the CANH end and the CANL end of the CTM1051 chip are used as external output ends.
5. The scalable integrated control module suitable for use in a power conversion system according to claim 2, wherein the RS232 communication circuit comprises an RSM232 chip, a second zener diode, and a third capacitor; the TXD end and the RXD end of the RSM232 chip are respectively accessed into a communication management and data processing circuit through corresponding UART4_ Tx data lines and UART4_ Rx data lines; the VCC end of the RSM232 chip is connected with a 3.3V power supply; the GND end of the RSM232 chip is grounded; the cathode of the second voltage-stabilizing diode is connected with a 3.3V power supply, and the anode of the second voltage-stabilizing diode is grounded; one end of the third capacitor is connected with a 3.3V power supply, and the other end of the third capacitor is grounded; and the TOUT end, the RIN end and the RGND end of the RSM232 chip are used as external output ends.
6. The scalable integrated control module suitable for the power conversion system according to claim 2, wherein the RS485 communication circuit comprises an RSM485ECTH chip, a third zener diode, a fourth capacitor and a fifth capacitor, and the TXD, RXD and EN terminals of the RSM485ECTH chip are respectively connected to the communication management and data processing circuit through corresponding UART2_ Tx data line, UART2_ Rx data line and RS485EN data line; the VCC end of the RSM485ECTH chip is connected with a 3.3V power supply; the GND end of the RSM485ECTH chip is grounded; the cathode of the third voltage-stabilizing diode is connected with a 3.3V power supply, and the anode of the third voltage-stabilizing diode is grounded; one ends of the fourth capacitor and the fifth capacitor are both connected with a 3.3V power supply, and the other ends of the fourth capacitor and the fifth capacitor are both grounded; and the end B and the end A of the RSM485ECTH chip are used as external output ends.
7. The scalable integrated control module suitable for power conversion systems according to claim 2, wherein the TF card circuit comprises a TF1 chip, a first resistor, a second resistor, a third resistor, a fourth resistor and a sixth capacitor, the DATA0 terminal of the TF1 chip is connected to the communication management and DATA processing circuit through an SPI1_ MISO DATA line, and the DATA0 terminal is further connected to the first resistor and then connected to a 3.3V power supply; the DATA3 end of the TF1 chip is accessed to a communication management and DATA processing circuit through an SPI1_ NSS2 DATA line; the DATA3 end is also connected with a second resistor and then connected with a 3.3V power supply; the CLK end of the TF1 chip is connected to a communication management and data processing circuit through an SPI1_ SCLK data line, and is connected to a 3.3V power supply after being connected to a third resistor; the CMD end of the TF1 chip is connected to a communication management and data processing circuit through an SPI1_ MOSI data line, and is connected to a 3.3V power supply after being connected to a fourth resistor; the VDD end of the TF1 chip is connected with a 3.3V power supply, and the VSS end is grounded; one end of the sixth capacitor is connected with a 3.3V power supply, and the other end of the sixth capacitor is grounded; pins 10, 11, 12 and 13 of the TF1 chip are grounded.
8. The scalable integrated control module suitable for a power conversion system according to claim 2, wherein the integrated output circuit comprises an MMBT4401 triode, a fifth resistor, a sixth resistor, a first diode and a Relay-DPDT Relay, a base of the MMBT4401 triode is connected with the fifth resistor and then connected to the communication management and data processing circuit, a common end of the base of the MMBT4401 triode and the fifth resistor is connected with the sixth resistor and then grounded, an emitter of the MMBT4401 triode is grounded, a collector of the MMBT4401 triode is connected with an anode of the first diode, a cathode of the first diode is connected with a first pin of the Relay-DPDT Relay and then connected to the 24V power supply, a collector of the MMBT4401 triode is further connected with an eighth pin of the Relay-DPDT Relay, and the first pin of the Relay-DPDT Relay is connected to the 24V power supply, and a third pin and a sixth pin of the Relay are connected and then are accessed into a communication management and data processing circuit, and a fourth pin and a fifth pin of the Relay are connected and then serve as output ends.
9. The scalable integrated control module for a power conversion system according to claim 2, wherein the status indication submodule comprises a communication indication unit connected to the communication management and data processing circuit, a mode setting unit and a module setting unit, the communication management and data processing circuit transmits an alarm signal to the communication indication unit, the mode setting unit transmits an operation mode signal to the communication management and data processing circuit, and the module setting unit transmits a management mode signal to the communication management and data processing circuit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202123443271.9U CN217116111U (en) | 2021-12-29 | 2021-12-29 | Extensible integrated control module suitable for power conversion system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202123443271.9U CN217116111U (en) | 2021-12-29 | 2021-12-29 | Extensible integrated control module suitable for power conversion system |
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| CN217116111U true CN217116111U (en) | 2022-08-02 |
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| CN202123443271.9U Active CN217116111U (en) | 2021-12-29 | 2021-12-29 | Extensible integrated control module suitable for power conversion system |
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