阅读说明：本技术 一种多模块化电路板及其连接方法 (Multi-modular circuit board and connecting method thereof ) 是由 范绍西 麦自强 黄斌 于 2021-08-13 设计创作，主要内容包括：本发明提供一种多模块化电路板及其连接方法,包括电路底板、电源模块、步进电机驱动模块、直流电机驱动模块、传感器检测模块、单片机模块以及通讯模块,所述电路底板上具有多个连接器、电源输入接口、步进电机接口、直流电机接口、传感器接口、通讯接口以及多个IO控制接口,所述电源模块、步进电机驱动模块、直流电机驱动模块、传感器检测模块、单片机模块以及通讯模块均通过连接器连接在电路底板上。本发明能够缩短电路板的设计周期,产品设计时,同样的电路不需要重复绘制；缩短产品的维修时间,电控系统出现问题需要更换电路板时,不需要重新插拔连接器,也不需要把电路底板拆下来,只需要更换相应故障的电路模块。(The invention provides a multi-modular circuit board and a connection method thereof, wherein the multi-modular circuit board comprises a circuit bottom board, a power supply module, a stepping motor driving module, a direct current motor driving module, a sensor detection module, a single chip microcomputer module and a communication module, wherein the circuit bottom board is provided with a plurality of connectors, a power supply input interface, a stepping motor interface, a direct current motor interface, a sensor interface, a communication interface and a plurality of IO control interfaces, and the power supply module, the stepping motor driving module, the direct current motor driving module, the sensor detection module, the single chip microcomputer module and the communication module are all connected to the circuit bottom board through the connectors. The invention can shorten the design cycle of the circuit board, and the same circuit does not need to be drawn repeatedly when the product is designed; the maintenance time of the product is shortened, when the electric control system has problems and the circuit board needs to be replaced, the connector does not need to be plugged again, the circuit bottom plate does not need to be detached, and only the circuit module with corresponding faults needs to be replaced.)

1. A multi-modular circuit board is characterized by comprising a circuit bottom board, a power supply module, a stepping motor driving module, a direct current motor driving module, a sensor detection module, a singlechip module and a communication module,

the circuit bottom board is provided with a power supply module connector, a stepping motor driving module connector, a direct current motor driving module connector, a sensor detection module connector, a single chip microcomputer module connector, a communication module connector, a power supply input interface, a stepping motor interface, a direct current motor interface, a sensor interface, a communication interface and a plurality of IO control interfaces,

the power input interface and the power module are connected with a power module connector and used for supplying power to the stepping motor driving module, the direct current motor driving module, the sensor detecting module, the single chip microcomputer module and the communication module, the stepping motor interface and the stepping motor driving module are connected with the stepping motor module connector, the direct current motor interface and the direct current motor driving module are connected with the direct current motor driving module connector, the sensor interface and the sensor detecting module are connected with the sensor detecting module connector, the communication interface and the communication module are connected with the communication module connector, the single chip microcomputer module and the IO control interface are connected with the single chip microcomputer module connector and transmit signals to the stepping motor driving module, the direct current motor driving module, the sensor detecting module and the communication module through the circuit bottom plate,

the stepping motor module is used for driving 1-path stepping motor to realize forward and reverse rotation of the stepping motor, the direct current motor driving module is used for driving 1-path direct current motor to realize forward and reverse rotation of the direct current motor, the sensor detection module is used for collecting switching value signals to realize acquisition of output signals of the photoelectric switch, the proximity switch or the light amplifier, and the communication module is used for realizing communication with a computer or other equipment, configuration of operation parameters of the stepping motor driving module and control of external accessories.

2. The multi-modular circuit board of claim 1, wherein the communication module connector has 2 connectors DF9-31S-1V for accessing the communication module, the single chip module connector has 2 connectors 5177983-3 for accessing the single chip module, the power module connector has 1 connector 9001 + 36161C00A for accessing the power module, the step motor driving module connector and the sensor detecting module connector have several connectors 9001 + 16301C00A for accessing the step motor driving module and the sensor detecting module, and the dc motor driving module connector has several connectors 9001 + 36201C00A for accessing the dc motor driving module.

3. The multi-modular circuit board of claim 2, further comprising 1 1777073 connectors for power input, 1 MINI USB connector female receptacle for communication with the outside, several BH2P-VH-1 connectors for accessing brushed dc motors, several B03B-XASK-1-a connectors for accessing external IO port controls and sensors, and several B04B-XASK-1-a connectors for accessing stepper motors.

4. The multi-modular circuit board of claim 2, wherein the communication module comprises 1 isolation type SPI, 1 isolation type buzzer, 8 isolation type external signal control circuits, 1 isolation type USB to TTL circuit, 1 isolation type RS485 circuit, 1 isolation type RS232 communication circuit, and 1 isolation type CAN communication circuit, and is configured to communicate with a computer or other devices, configure operation parameters of the stepping motor driving module, and control external accessories.

5. The multi-modular circuit board of claim 2, wherein the main control chip adopted by the single chip microcomputer module is an STM32F429IGT6 chip.

6. The method for connecting a multi-modular circuit board according to any one of claims 1 to 5, wherein the communication module is plugged into a communication module connector, the single-chip microcomputer module is plugged into a single-chip microcomputer module connector, the power supply module is plugged into a power supply module connector, the stepping motor drive module is plugged into a stepping motor drive module connector, the sensor detection module is plugged into a sensor detection module connector, the direct current motor drive module is plugged into a direct current motor drive module connector, the power supply input is connected to a power supply input interface of the circuit board, an external LED lamp, relay, IO buzzer or switching device is connected to a port control interface, USB, RS232 and RS485 communication lines are connected to the communication interface, the stepping motor is connected to the stepping motor interface, the direct current motor is connected to the direct current motor interface, the photoelectric switch, and the like, A proximity switch or fiber amplifier is connected to the sensor interface.

Technical Field

The invention relates to the technical field of test tube equipment computer electronic control, in particular to a multi-modular circuit board and a connecting method thereof.

Background

Nowadays, automation of specimen testing and inspection processes has become a trend of various medical institutions, automation equipment of test tubes is continuously innovated along with development, and a circuit board in the automation equipment is a core for realizing automation control.

At present, the traditional circuit board design in test tube automation equipment is generally required according to projects, circuits with all functions are designed on one circuit board, in the process of upgrading or improving and developing equipment products, when individual functions of the circuit board need to be modified, the whole circuit board needs to be printed and welded again, when the circuit board breaks down, a plug on the circuit board needs to be pulled out, the whole circuit board is detached and then replaced, and then the plug is inserted back to the circuit board, so that the time for designing and developing the circuit board is longer, a plurality of circuits with the same functions need to be distributed and wired, after the circuit board is designed and modified, more research and development time and cost are needed, more time needs to be consumed in after-sale links, and the whole circuit board is inconvenient to replace.

Disclosure of Invention

The invention provides a multi-modular circuit board and a connecting method, which can shorten the design period of the circuit board, and the same circuit does not need to be drawn repeatedly when a product is designed; the maintenance time of the product is shortened, when the electric control system has problems and the circuit board needs to be replaced, the connector does not need to be plugged again, the circuit bottom plate does not need to be detached, and only the circuit module with corresponding faults needs to be replaced.

In order to achieve the purpose, the invention adopts the following technical scheme:

a multi-modular circuit board comprises a circuit base plate, a power supply module, a stepping motor driving module, a direct current motor driving module, a sensor detection module, a single chip microcomputer module and a communication module, wherein the circuit base plate is provided with a power supply module connector, a stepping motor driving module connector, a direct current motor driving module connector, a sensor detection module connector, a single chip microcomputer module connector, a communication module connector, a power supply input interface, a stepping motor interface, a direct current motor interface, a sensor interface, a communication interface and a plurality of IO control interfaces;

the power input interface and the power module are connected with a power module connector and used for supplying power to the stepping motor driving module, the direct current motor driving module, the sensor detecting module, the single chip microcomputer module and the communication module, the stepping motor interface and the stepping motor driving module are connected with the stepping motor module connector, the direct current motor interface and the direct current motor driving module are connected with the direct current motor driving module connector, the sensor interface and the sensor detecting module are connected with the sensor detecting module connector, the communication interface and the communication module are connected with the communication module connector, the single chip microcomputer module and the IO control interface are connected with the single chip microcomputer module connector and transmit signals to the stepping motor driving module, the direct current motor driving module, the sensor detecting module and the communication module through the circuit bottom plate;

the stepping motor module is used for driving 1-path stepping motor to realize forward and reverse rotation of the stepping motor, the direct current motor driving module is used for driving 1-path direct current motor to realize forward and reverse rotation of the direct current motor, the sensor detection module is used for collecting switching value signals to realize acquisition of output signals of the photoelectric switch, the proximity switch or the light amplifier, and the communication module is used for realizing communication with a computer or other equipment, configuration of operation parameters of the stepping motor driving module and control of external accessories.

Preferably, the communication module connector has 2 connectors DF9-31S-1V for accessing the communication module, the single chip module connector has 2 connectors 5177983-3 for accessing the single chip module, the power module connector has 1 connector 9001 plus 36161C00A for accessing the power module, the step motor driving module connector and the sensor detecting module connector have several connectors 9001 plus 16301C00A for accessing the step motor driving module and the sensor detecting module, and the dc motor driving module connector has several connectors 9001 plus 36201C00A for accessing the dc motor driving module.

Preferably, the device also comprises 1 1777073 connectors used for power input, 1 MINI USB connector female seat used for communicating with the outside, a plurality of BH2P-VH-1 connectors used for accessing a brushed direct current motor, a plurality of B03B-XASK-1-A connectors used for accessing external IO port control and sensors, and a plurality of B04B-XASK-1-A connectors used for accessing a stepping motor.

Preferably, the communication module comprises 1 path of isolated SPI, 1 path of isolated buzzer, 8 paths of isolated external signal control circuits, 1 path of isolated USB-to-TTL circuit, 1 path of isolated RS485 circuit, 1 path of isolated RS232 communication circuit and 1 path of isolated CAN communication circuit, and is used for realizing communication with a computer or other equipment, configuring operation parameters of the stepping motor driving module and controlling external accessories.

Preferably, the main control chip adopted by the single chip microcomputer module is an STM32F429IGT6 chip.

Also discloses a connecting method of a multi-modular circuit board, based on a circuit bottom board, a communication module is plugged on a communication module connector, a singlechip module is plugged on a singlechip module connector, a power supply module is plugged on a power supply module connector, a stepping motor driving module is plugged on a stepping motor driving module connector, a sensor detecting module is plugged on a sensor detecting module connector, a direct current motor driving module is plugged on a direct current motor driving module connector, a power supply input is connected to a power supply input interface of the circuit bottom board, an external LED lamp, a relay, a buzzer or a switching value device is connected to an IO port control interface, a USB, RS232 and RS485 communication lines are connected to the communication interface, the stepping motor is connected to the stepping motor interface, the direct current motor is connected to the direct current motor interface, and the photoelectric switch, the proximity switch or the optical fiber amplifier is connected to the sensor interface.

Compared with the prior art, the invention has the advantages that when the product is upgraded or improved, the same circuit does not need to be drawn repeatedly, and the design period of the circuit board can be shortened; when the electric control system has problems and needs to replace the circuit board, the connector does not need to be plugged again, the circuit bottom plate does not need to be detached, and only the circuit module with corresponding faults needs to be replaced, so that the maintenance time of the product is shortened; the method can also be used in a plurality of items of the same type, the number of circuit boards of the same type in the purchasing link can be increased, and the price of a single circuit board is reduced.

Drawings

FIG. 1 is a schematic diagram of a module layout structure according to the present invention;

FIG. 2 is a schematic diagram of a power supply relationship of the present invention;

FIG. 3 is a schematic diagram of a signal transmission structure according to the present invention;

fig. 4 is a schematic structural diagram of a module connection method according to the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

It will be understood that when an element/feature is referred to as being "disposed on" another element/feature, it can be directly on the other element/feature or intervening elements/features may also be present. When a component/part is referred to as being "connected/coupled" to another component/part, it can be directly connected/coupled to the other component/part or intervening components/parts may also be present. The term "connected/coupled" as used herein may include electrical and/or mechanical physical connections/couplings. The term "comprises/comprising" as used herein refers to the presence of features, steps or components/features, but does not preclude the presence or addition of one or more other features, steps or components/features. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

As shown in fig. 1 to 4, a multi-modular circuit board includes a circuit board, a power module, a stepping motor driving module, a dc motor driving module, a sensor detecting module, a single chip module, and a communication module.

The circuit bottom board is provided with a power supply module connector, a stepping motor driving module connector, a direct current motor driving module connector, a sensor detection module connector, a single chip microcomputer module connector, a communication module connector, a power supply input interface, a stepping motor interface, a direct current motor interface, a sensor interface, a communication interface and a plurality of IO control interfaces.

The power input interface and the power module are connected with the power module connector and used for supplying power to the stepping motor driving module, the direct current motor driving module, the sensor detection module, the single chip microcomputer module and the communication module, the power module converts the DC24V into 1-path DC5V and 1-path isolated DC5V, and the power module is provided with 1-path reverse-connection-prevention DC24V output and used for supplying power with specific voltage for the whole circuit system. The power module adopts 9001-35161C00A connectors, and is 46.5mm long and 34mm wide.

The stepping motor interface and the stepping motor driving module are both connected with a stepping motor module connector, the stepping motor driving module adopts a 9001-15301C00A connector, and the module is 46.5mm long and 39mm wide;

the direct current motor interface and the direct current motor driving module are both connected with a direct current motor driving module connector, the direct current motor driving module adopts a 9001-15301C00A connector, and the length of the module is 46.5mm, and the width of the module is 39 mm.

The sensor interface and the sensor detection module are connected with the sensor detection module connector, and the sensor detection module is used for collecting external 7-way switching value signals and acquiring output signals of devices such as a photoelectric switch, a proximity switch and a light amplifier. The sensor detection module adopts 9001-15301C00A connectors, and has a length of 46.5mm and a width of 39 mm.

Singlechip module and IO control interface all are connected with singlechip module connector, and give step motor drive module through circuit bottom plate transmission signal, direct current motor drive module, sensor detection module and communication module, the main control chip that singlechip module adopted is STM32F429IGT6 chip, the pin is whole to be drawn forth to the connector on, singlechip module takes 2 way 5V to change 3.3V's LDO circuit, wherein 1 way is the singlechip power supply, 1 way provides the required voltage of 3.3V control signal for other functional module in addition. The single chip microcomputer module is used as the main control of the whole circuit system, the input and output functions of all pins are controlled through programming, the single chip microcomputer module is connected with other module circuit boards through a circuit bottom board, the signal transmission between the single chip microcomputer module and other modules is realized, and the stepping motor driving module, the direct current motor driving module, the sensor detection module and the communication module can be controlled. The singlechip module adopts 2 5177984-3 connectors, and the module size is 50x50 mm.

Resource allocation of the single chip microcomputer module controls 1 stepping motor driving module through 3 IO control interfaces; controlling 1 direct current motor driving module through 1 IO control interface and 1 PWM interface; controlling 1 sensor detection module through 7 IO control interfaces; through controlling interface connection to communication module through 1 group SPI bus, 1 group USART and 8 IO.

The stepping motor module is used for driving the stepping motor 1 way to realize the forward and reverse rotation of the stepping motor, the direct current motor driving module is used for driving the direct current motor 1 way to realize the forward and reverse rotation of the direct current motor, the sensor detection module is used for collecting switching value signals to realize the acquisition of output signals of the photoelectric switch, the proximity switch or the light amplifier, and the communication module is used for realizing the communication with a computer or other equipment, configuring the operation parameters of the stepping motor driving module and controlling external accessories.

The connector of the communication module comprises 2 DF9-31S-1V connectors for accessing the communication module, the connector of the single chip microcomputer module comprises 2 connectors 5177983-3 for accessing the single chip microcomputer module, the connector of the power supply module comprises 1 connector 9001 plus 36161C00A for accessing the power supply module, the connectors of the stepping motor driving module and the sensor detection module are provided with a plurality of connectors 9001 plus 16301C00A for accessing the stepping motor driving module and the sensor detection module, and the connector of the DC motor driving module comprises a plurality of connectors 9001 plus 36201C00A for accessing the DC motor driving module.

The intelligent brushless direct current motor controller also comprises 1 1777073 connectors used for power supply input, 1 MINI USB connector female seat used for communicating with the outside, a plurality of BH2P-VH-1 connectors used for accessing a brushed direct current motor, a plurality of B03B-XASK-1-A connectors used for accessing an external IO port control and sensor, and a plurality of B04B-XASK-1-A connectors used for accessing a stepping motor.

The communication interface and the communication module are both connected with a communication module connector, the communication module adopts 2 DF9-31P-1V connectors, the size of the module is 50x39mm, the communication module comprises 1 path of isolated SPI, 1 path of isolated buzzer, 8 paths of isolated external signal control circuits, 1 path of isolated USB-to-TTL circuit, 1 path of isolated RS485 circuit, 1 path of isolated RS232 communication circuit and 1 path of isolated CAN communication circuit, and the communication module is used for realizing communication with a computer or other equipment, configuring the operation parameters of the stepping motor driving module and controlling external accessories.

Also discloses a connecting method of a multi-modular circuit board, based on a circuit bottom board, a communication module is plugged on a communication module connector, a singlechip module is plugged on a singlechip module connector, a power supply module is plugged on a power supply module connector, a stepping motor driving module is plugged on a stepping motor driving module connector, a sensor detecting module is plugged on a sensor detecting module connector, a direct current motor driving module is plugged on a direct current motor driving module connector, a power supply input is connected to a power supply input interface of the circuit bottom board, an external LED lamp, a relay, a buzzer or a switching value device is connected to an IO port control interface, a USB, RS232 and RS485 communication lines are connected to the communication interface, the stepping motor is connected to the stepping motor interface, the direct current motor is connected to the direct current motor interface, and the photoelectric switch, the proximity switch or the optical fiber amplifier is connected to the sensor interface.

In the link of circuit board installation, the circuit bottom board is installed on the product, then the electric wire of the external device of the product is connected to the appointed interface of the circuit bottom board, and then the corresponding power module, the single chip module, the communication module, the stepping motor driving module, the direct current motor driving module, the sensor detection module and the like are inserted into the corresponding connectors of the circuit bottom board in a vertical or horizontal mode.

The installation quantity of the circuit boards of each functional module is installed according to the actual requirement of a product, and the circuit base plate needs to be designed to be good in quantity of actually used interfaces or can reserve more interfaces of several functional modules, so that the universality and the expansion capability are enhanced.

When the product is upgraded or improved, the same circuit does not need to be drawn repeatedly, so that the design period of the circuit board can be shortened; when the electric control system has problems and needs to replace the circuit board, the connector does not need to be plugged again, the circuit bottom plate does not need to be detached, and only the circuit module with corresponding faults needs to be replaced, so that the maintenance time of the product is shortened; the method can also be used in a plurality of items of the same type, the number of circuit boards of the same type in the purchasing link can be increased, and the price of a single circuit board is reduced.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.