WO2021169694A1 - Carte de circuit imprimé d'application mcu assemblée de manière modulaire - Google Patents

Carte de circuit imprimé d'application mcu assemblée de manière modulaire Download PDF

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Publication number
WO2021169694A1
WO2021169694A1 PCT/CN2021/073401 CN2021073401W WO2021169694A1 WO 2021169694 A1 WO2021169694 A1 WO 2021169694A1 CN 2021073401 W CN2021073401 W CN 2021073401W WO 2021169694 A1 WO2021169694 A1 WO 2021169694A1
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WIPO (PCT)
Prior art keywords
template
module
power supply
bus
communication bus
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PCT/CN2021/073401
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English (en)
Chinese (zh)
Inventor
王致刚
王致强
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王致刚
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Application filed by 王致刚 filed Critical 王致刚
Publication of WO2021169694A1 publication Critical patent/WO2021169694A1/fr

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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/14—Structural association of two or more printed circuits
    • H05K1/141—One or more single auxiliary printed circuits mounted on a main printed circuit, e.g. modules, adapters
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/18—Printed circuits structurally associated with non-printed electric components

Definitions

  • the present invention relates to the technical field of electronic communication, in particular to a modular spliced MCU application circuit board.
  • the circuit boards of some electrical equipment include a main circuit board and some functional circuit boards with specific control or data processing functions.
  • the main circuit board is used to implement the basic functions of the electrical equipment
  • the functional circuit board is used to implement some Expansion functions, for example, an electrical appliance with the function of the Internet of Things, by connecting a circuit board with a wireless communication function to the main circuit board, so as to realize wireless communication.
  • the power required by the chip related to the wireless communication board currently mainly includes: 3.3VDC, 5VDC, 12VDC, etc.;
  • the interface signals include: based on 3.3VDC, 5VDC, 15VDC and other current capacity switching signals, based on 4-20mA, 1-5VDC, 0-5VDC, PMW (Pulse-Width Modulation) and other analog signals, as well as signals of various special specifications; each signal is required Special circuits are used for processing; therefore, a special wireless communication board needs to be designed according to the interface signal between the electrical equipment and the wireless communication board and the chip power requirements, which is poor in versatility.
  • the purpose of the present invention is to provide a modularly spliced MCU application circuit board with good versatility.
  • a modular splicing MCU application circuit board including: an independent main control template and at least one independent function template;
  • the master control module includes an MCU module for driving and controlling the serial communication bus; a bus conversion module that converts the serial communication line supported by the MCU module into a serial communication bus; and the other modules on the master control module
  • a power supply bus for supplying power, a pair of power bus terminals respectively connected to other modules are provided on the master control module; a serial communication bus and at least one communication bus terminal connected to each module;
  • the function template includes a first electrical conversion module that converts the serial signal sent by the MCU module into a standard control electrical signal; a power bus that provides power to each module on the function template; and a string connected to the first electrical conversion module Line communication bus and a first device interface connected with the first electrical conversion module, the first device interface is used to connect the electrical equipment to be controlled; the function template is provided with a pair of power bus terminals respectively connected to the modules , And a pair of communication bus terminals connected with each module;
  • the power bus of each module is connected in series through the power bus terminal to form a continuous power bus to realize power supply; the serial communication bus of each module is connected in series to form a continuous serial communication bus through the communication bus terminal to realize the control signal of the master control module. send.
  • modularly spliced MCU application circuit board further includes an independent power supply template
  • the power supply template includes a power supply circuit that outputs at least one specification of voltage value and a power supply bus.
  • the power supply bus includes at least one output circuit; the power supply bus is electrically connected to the power supply circuit, and at least one power supply template is provided with Power bus terminal connected with each module.
  • the modularly spliced MCU application circuit board is characterized in that it further includes at least one interface template; the interface template includes:
  • a second electrical conversion module that converts the basic electrical interface signal processed by the function template into a non-standard control electrical signal
  • a power bus that provides power for each module of the interface template, and the interface template is provided with a power bus terminal connected to each module;
  • the first transfer port connected to the second electrical conversion module
  • a second device interface communicatively connected with the second electrical conversion module
  • the second device interface is used to connect the electrical equipment to be controlled; the function template is also provided with a second switching port connected to the first electrical conversion module, and the first switching port is used to connect with the second switching module. Port communication connection.
  • At least one functional module is connected with an interface template
  • each function template is connected to an interface template.
  • all the templates are fixedly arranged on a substrate, the power bus terminals of each template are connected by a flat cable, and the communication bus terminals of each template are connected by a flat cable to form a whole board;
  • the power bus terminal and the communication bus terminal are fixedly arranged on the corresponding templates, and the modules are directly connected and spliced into a whole board through the corresponding terminals.
  • the power supply template, the main control template and the function template are connected in sequence, and when there are multiple function templates, the function templates are connected in sequence.
  • the power supply template, the main control template, the function template and the interface template are connected in sequence.
  • the corresponding function template and the interface template form a set of integrated circuits and then are connected in sequence.
  • a pair of power bus terminals is provided on the power supply template; a pair of communication bus terminals is provided on the master control template; a pair of communication bus terminals is also provided on the power supply template.
  • Communication bus terminal there is a serial communication bus between a pair of terminals; the modules are connected in any combination.
  • a pair of power bus terminals is provided on the power module; a pair of communication bus terminals is provided on the master control module; a pair of communication bus terminals is also provided on the power module for connection with other modules.
  • Communication bus terminal there is a serial communication bus between a pair of terminals; the interface module is also provided with a pair of communication bus terminals connected with other modules, and there is a serial communication bus between the pair of terminals; between the modules Connect in any combination.
  • the invention provides a modularly spliced MCU application circuit board that uniformly supplies power to the main control template and the function template through the power bus.
  • the main control template uniformly sends downlink signals and receives uplink signals to each functional template through the serial communication bus.
  • the downstream signal can realize the communication connection with the electrical equipment after the conversion of the function template; because each module is independent and connected through the terminal, it is separable, and can be selected according to the specific interface quantity and interface signal type of the electrical equipment.
  • the function template and the main control template of the connection can become the corresponding functional circuit board, which has good versatility and is beneficial to reduce costs.
  • Fig. 1 is a schematic diagram of a modular spliced MCU application circuit board provided by the present invention.
  • FIG. 2 is a schematic diagram of the structure of the first power supply template in the modular spliced MCU application circuit board provided by the present invention.
  • Fig. 3 is a schematic diagram of the second power supply template in the modular spliced MCU application circuit board provided by the present invention.
  • Fig. 4 is a schematic diagram of the structure of the main control template in the modular spliced MCU application circuit board provided by the present invention.
  • FIG. 5 is a schematic diagram of the structure of the first functional template in the modular spliced MCU application circuit board provided by the present invention.
  • Fig. 6 is a schematic structural diagram of the second type of functional template in the modular spliced MCU application circuit board provided by the present invention.
  • FIG. 7 is a schematic diagram of the structure of the first interface template in the modular spliced MCU application circuit board provided by the present invention.
  • Fig. 8 is a schematic structural diagram of the second type of interface module in the modular spliced MCU application circuit board provided by the present invention.
  • Fig. 9 is a schematic structural diagram of a modular spliced MCU application circuit board provided by the present invention.
  • FIG. 10 is a schematic structural diagram of an exemplary modular spliced MCU application circuit board provided by the present invention.
  • first and second are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined with “first” and “second” may explicitly or implicitly include one or more of the features. In the description of the present invention, “plurality” means two or more than two, unless otherwise specifically defined.
  • a modularly spliced MCU application circuit board splits each circuit module in the MCU application circuit board into independent standard templates, which are divided into: power supply template (that is, power supply circuit board), main The control template (that is, the main control circuit board) and the function template (that is, the function circuit board), the templates are spliced into a complete application circuit board through plug-in terminals or set on a substrate, and the modules pass through The cable connection is spliced into a complete application circuit board.
  • power supply template that is, power supply circuit board
  • main The control template that is, the main control circuit board
  • the function template that is, the function circuit board
  • the templates are spliced into a complete application circuit board through plug-in terminals or set on a substrate, and the modules pass through The cable connection is spliced into a complete application circuit board.
  • Various templates have a variety of different specifications and models, which can be flexibly combined into the MCU application circuit board required by the user according to the needs.
  • the main control template includes X, Y, and Z models
  • the function template includes five models: a, b, c, d, and e.
  • the application circuit board can be combined into A+X+b type; it can also be combined into A+X+b+c type, an application circuit board with two functional templates; it can also be combined into B+Y+a+ d+e type application circuit board; external equipment can also be used for direct power supply, such as X+a type.
  • some functional templates need to be used in conjunction with the interface templates.
  • the present invention also provides an independent interface template (that is, an interface circuit board), and the interface circuit is also provided with multiple models and functional templates for combined use.
  • an independent interface template that is, an interface circuit board
  • the interface circuit is also provided with multiple models and functional templates for combined use.
  • the modularly spliced MCU application circuit board provided in this embodiment is powered by the power supply template 200;
  • the modularly spliced MCU application circuit board includes: an independent power supply template 200, an independent main control template 300, and at least one independent function template 400.
  • the power supply template 200 includes a power supply circuit 201 that outputs voltage values of at least one specification (but not limited to 3.3VDC, 5VDC, 12VDC, 15VDC, etc.) and a power bus 203.
  • the power bus 203 includes at least one output loop; the power bus 203 is electrically connected to the power loop 201, and at least one power bus terminal 205 connected to each module is provided on the power module.
  • the master control module 300 includes an MCU module 301 for driving and controlling the serial communication bus; a bus conversion module 302 (that is, the bus The conversion module 302 is used to realize the conversion between the input/output signals of the MCU module and the serial communication bus signal); one is the power bus 303 that provides power to each module on the main control template 300, and a pair of the main control template is set to connect with other modules.
  • the function template 400 includes a first electrical conversion module 401 that converts the serial signal sent by the MCU module into a standard control electrical signal; a power bus 403 that provides power for each module on the function template;
  • the serial communication bus 402 connected with the first electrical conversion module 401 and a first device interface 404 connected with the first electrical conversion module 401, the first device interface 404 is used to connect the electrical equipment to be controlled;
  • the function template 400 is set There are a pair of power bus terminals 405 connected to each module, and a pair of communication bus terminals 406 connected to each module.
  • control electrical signals are commonly used control electrical signals, mainly including digital signals (dry nodes, low-voltage nodes), analog signals (4-20mA, 0-5Vdc, 0-10Vdc, etc.) and other low-power control signals.
  • the power bus of each module is connected in series through the power bus terminal to form a continuous power bus 101 (as shown in Figure 1) to realize power supply; the serial communication bus of each module is connected in series through the communication bus terminal to form a continuous serial communication
  • the bus 102 (as shown in FIG. 1) realizes the transmission of the master control template control signal.
  • the power supply template 200 uniformly supplies power to the main control template 300 and the function template 400 through the power bus 101, and the main control template 300 uniformly sends downstream signals (such as control signals) and receives upstream signals to each function template 400 through the serial communication bus 102.
  • Signal such as the status signal of electrical equipment
  • the function template 400 plays the role of communication signal conversion, and combines the serial communication bus signal (that is, the signal transmitted in the serial communication bus 102) and the first device interface signal (that is, the first device interface
  • the signal between 404 and electrical equipment can be converted to each other.
  • the communication connection with the electrical equipment can be realized; since the modules are connected through terminals, they are separable and can be separated according to the electrical equipment.
  • the specific interface quantity and interface signal type select the corresponding functional template, main control template, and power supply template to connect to become the corresponding functional circuit board, which has good versatility and is beneficial to reduce costs (including design and development costs and production costs) .
  • the power supply template 200 further includes an external power supply interface 202 electrically connected to the power circuit 201, and the external power supply interface 202 is connected to the external power supply to provide power to the power circuit 201;
  • the first electrical conversion module 401 is connected to the serial communication bus 402 through the interface 407.
  • a set of wires is provided in the power bus corresponding to the voltage of each specification output by the power supply template 200, wherein each set of wires includes a ground wire and a power supply wire, and each set of wires constitutes an output loop for output Power supply of corresponding voltage;
  • the power bus includes a common ground wire and a power supply wire set corresponding to each voltage specification, and each power supply wire and the common ground wire form an output loop for outputting a power supply of a corresponding voltage;
  • the power module 200 only needs to output a power supply voltage of one specification.
  • the power bus may have only one output loop.
  • the serial communication bus can be, but is not limited to, a line, I2C bus, SPI bus, etc.
  • the MCU module 301 in the main control template 300 can select specific models in the prior art according to actual needs. For example, when electrical equipment needs to use the modularly spliced MCU application circuit board to realize the IoT function, the MCU module 301 has MCU module with wireless communication function (such as ESP8266 module, which can realize WIFI connection).
  • wireless communication function such as ESP8266 module, which can realize WIFI connection
  • the signal output from the first device interface 404 of the function template 400 is usually a weak electric signal and is limited to the size of the function template 400.
  • the size of the first device interface 404 is usually small.
  • the electrical device interface signal is a strong electric signal or For other signals that are not supported by the function template 400, or when the interface size of the electrical equipment is large, the corresponding interface template 500 needs to be installed to realize the transfer, thereby further improving the versatility.
  • the modularly spliced MCU application circuit board further includes at least one interface template 500; see Figures 7 and 8, the interface template 500 includes:
  • a second electrical conversion module 501 that converts the basic electrical interface signal processed by the function template 400 into a non-standard control electrical signal; wherein, the non-standard control electrical signal is a signal that needs to be processed by a special circuit, usually some high-power signal;
  • a power bus 502 for supplying power to each module of the interface template, and a power bus terminal 505 connected to each module is provided on the interface template;
  • the first transfer port 504 connected to the second electrical conversion module 501;
  • the second device interface 503 is used to connect the electrical device to be controlled; the function template 400 is also provided with a second transfer port 408 (as shown in FIG. 6) connected to the first electrical conversion module 401, and the first transfer port 504 It is used to communicate with the second switching port 408 (generally, a communication line is connected between the first switching port 504 and the second switching port 408 to realize the connection).
  • the number of interface templates 500 can be set according to actual needs
  • At least one functional module 400 is connected to the interface template 500 (the connection here refers to a communication connection, that is, the connection between the first transfer port 504 and the corresponding second transfer port 408);
  • each function template 400 is correspondingly connected to an interface template 500 (the connection here refers to a communication connection, that is, the connection between the first transfer port 504 and the corresponding second transfer port 408). connect).
  • each template can be spliced into a complete application circuit board in the following way 1 or 2 but not limited to:
  • the power bus terminal and the communication bus terminal are fixedly arranged on the corresponding modules, and the modules are directly connected and spliced into a whole board through the corresponding terminals; the situation shown in Figure 9 and 10, at this time, the same pair of terminals Among them, one is a male terminal and the other is a female terminal to ensure that the adjacent modules can be connected; the terminals are directly connected and spliced into a whole board, which has a compact structure and a small space occupation.
  • a communication bus terminal 306 is provided on the main control module 300 (at this time, one end of the serial communication bus 304 of the main control module 300 is connected to the communication bus terminal 306). The other end is connected to the bus conversion module 302); at this time, the power supply template 200, the main control template 300, and the function template 400 need to be connected in sequence; when there are multiple function templates 400, in order to ensure that the serial communication buses are continuously connected in series Without interruption, each function template 400 needs to be connected in sequence.
  • the power supply module 200 is provided with a pair of power bus terminals 205; the main control module 300 is provided with a pair of communication bus terminals 306; the power module 200 is also provided with a pair of communication bus terminals 206 connected to other modules.
  • one or both ends are connected to the function template 400 in turn; or at least one function template 400 is connected between the power supply template 200 and the main control template 300.
  • the interface module 500 does not have a serial communication bus 507 (as shown in Figure 7); at this time, The power supply module 200, the main control module 300, the function module 400, and the interface module 500 are connected in sequence; when there are multiple function modules 400, the function modules 400 need to be connected in sequence to form the first group of integrated circuits, and the interface modules 500 need to be connected in sequence The connection becomes the second group of integrated circuits.
  • the power supply module 200, the main control module 300, the first group of integrated circuits, and the second group of integrated circuits are connected in sequence to ensure that all serial communication buses are connected in series without interruption.
  • the power supply module 200 is provided with one or a pair of power bus terminals 205, the main control module 300 is provided with a communication bus terminal 306; the interface module 500 is also provided with a pair of communication bus terminals 506 connected to other modules, one There is a serial communication bus between the terminals and a serial communication bus 507 (as shown in Figure 8); at this time, the power supply template 200, the main control template 300, the function template 400 and the interface template 500 are connected in sequence; when there are multiple function templates 400 At this time, the functional template 400 and the interface template 500 can be combined and connected in any order to form a first integrated circuit (preferably, after the corresponding functional template 400 and the interface template 500 are connected to form a group of second integrated circuits, each group of second integrated circuits Connected in sequence to form the first integrated circuit), the power supply module 200, the main control module 300, and the first integrated circuit are connected in sequence to ensure that all serial communication buses are continuously connected in series without interruption.
  • the interface module 500 is not provided with a serial communication bus 507 (as shown in Figure 7); at this time, The power supply template 200, the main control template 300, the function template 400, and the interface template 500 are connected in sequence, and the positions of the main control template 300 and the function template 400 can be swapped; when there are multiple function templates 400, the main control template 300 and the function
  • the modules 400 can be combined and connected in any order to form a first overall circuit.
  • the interface modules 500 need to be connected in sequence to form a second group of overall circuits.
  • the power module 200, the first overall circuit, and the second group of overall circuits are connected in sequence to ensure All serial communication buses are connected in series without interruption.
  • the power supply module 200 is provided with a pair of power bus terminals 205, the main control module 300 is provided with a pair of communication bus terminals 306; the power supply module 200 is also provided with a pair of communication bus terminals 206 connected to other modules.
  • the functional modules 400 are connected in sequence to form a first group of integrated circuits
  • the interface modules 500 are connected in sequence to form a second group of integrated circuits
  • the power supply module 200, the main control module 300, the first group of integrated circuits, and the second group of integrated circuits are connected in sequence, and Any combination of the order among the four;
  • each group of second integrated circuits are sequentially connected to form the first integrated circuit, and the power supply template 200, the main control template 300, and the first integrated circuit are connected in sequence, And any combination of the order between the three;
  • the function template 400 can also be set to a structure capable of outputting multiple signals according to actual needs, so that there is no need to set the interface template 500.
  • the function template 400 further includes:
  • the third electrical conversion module is used to convert the serial signal sent by the MCU module into a non-standard control electrical signal, or to convert the standard control electrical signal output by the first electrical conversion module 401 into a non-standard control electrical signal Control electrical signal;
  • the third electrical conversion module is used to convert the serial signal sent by the MCU module into a non-standard control electrical signal
  • the third electrical conversion module is connected to the serial communication bus 402 on the function template 400. If the third electrical conversion module is used to convert the standard control electrical signal output by the first electrical conversion module 401 into a non-standard control electrical signal, the third electrical conversion module is connected to the first electrical conversion module 401.
  • the modularly spliced MCU application circuit board as shown in FIG. 10 includes a power supply template 200, a main control template 300, a function template 400 and an interface template 500; among them, there is one function template 400 and one interface template 500.
  • a pair of power bus terminals 205 is provided on the power supply module 200
  • a pair of communication bus terminals 306 is provided on the main control module 300
  • a pair of communication bus terminals 206 connected to other modules is provided on the power module 200, and there is a pair of communication bus terminals 206 between the terminals.
  • Serial communication bus 204 (as shown in FIG. 3); the interface module 500 is provided with a pair of communication bus terminals 506 connected to other modules, and a serial communication bus 507 is provided between the pair of terminals.
  • the power bus terminal and the communication bus terminal are fixedly arranged on the corresponding modules, and the modules are directly connected and spliced into a whole board through the corresponding terminals; and the power module 200, the main control module 300, the function module 400 and the interface module 500 are in turn connect.
  • the difference between the modularly spliced MCU application circuit board provided in this embodiment and the first embodiment is that the power supply template 200 is not provided; instead, power is directly supplied through an external device, which is connected to the power bus through terminals and provides all power to the power bus.
  • a power supply with a specified voltage value is not provided.

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  • Microelectronics & Electronic Packaging (AREA)
  • Power Sources (AREA)
  • Programmable Controllers (AREA)

Abstract

L'invention concerne une carte de circuit imprimé d'application MCU assemblée de manière modulaire, comprenant un modèle de commande principal et au moins un modèle fonctionnel, qui sont indépendants l'un de l'autre, le modèle de commande principal et le modèle fonctionnel comprenant tous deux un bus d'alimentation électrique et un bus de communication série ; les bus d'alimentation électrique des modèles sont connectés en série par l'intermédiaire de bornes de bus d'alimentation électrique pour former un bus d'alimentation électrique continu, réalisant ainsi une alimentation électrique ; les bus de communication série des modèles sont connectés en série par l'intermédiaire de bornes de bus de communication pour former un bus de communication série continu, réalisant ainsi l'envoi d'un signal de commande de modèle de commande principal ; le modèle de commande principal comprend un module MCU pour analyser et traiter un signal ; et le modèle fonctionnel comprend un premier module de conversion électrique et une première interface de dispositif destinée à être connectée à un dispositif électrique à commander, de manière à réaliser une conversion entre un signal de bus de communication série et un signal d'interface de dispositif. La carte de circuit imprimé d'application MCU présente une bonne universalité et facilite la réduction des coûts.
PCT/CN2021/073401 2020-02-26 2021-01-22 Carte de circuit imprimé d'application mcu assemblée de manière modulaire WO2021169694A1 (fr)

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CN202010120938.2A CN111182722B (zh) 2020-02-26 2020-02-26 一种模块化拼接的mcu应用电路板
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CN111830868A (zh) * 2020-07-01 2020-10-27 孙安萍 一种功能模块、通信方法及应用该模块的量热仪
CN115361778B (zh) * 2022-08-17 2023-07-21 长沙兆兴博拓科技有限公司 模块化拼接pcba组件及mcu主控板

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