CN218388096U - Raspberry pie expansion module with independent control and networking communication functions - Google Patents
Raspberry pie expansion module with independent control and networking communication functions Download PDFInfo
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- CN218388096U CN218388096U CN202222103878.0U CN202222103878U CN218388096U CN 218388096 U CN218388096 U CN 218388096U CN 202222103878 U CN202222103878 U CN 202222103878U CN 218388096 U CN218388096 U CN 218388096U
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Abstract
The utility model discloses a take raspberry group expansion module of independent control and networking communication, include: the raspberry pie is provided with a network interface; the PCBA board is arranged above or below the raspberry group in parallel, and a switching pin header pointing to the raspberry group is arranged on the PCBA board; the I2C interface is arranged on the PCBA board; the serial port interface is used for data interaction with an external instrument; a first set of digital input interfaces for receiving external signal states; a second set of digital input interfaces; a digital output interface; the PCBA board is provided with a cooling fan vent hole pointing to the raspberry group, and a cooling fan is arranged on the cooling fan vent hole; an external power interface disposed on the PCBA board. In this way, take raspberry group extension module of independent control and networking communication, compact structure reduces the plane space that occupies, realizes independent control and communication and uploads, the cost is reduced.
Description
Technical Field
The utility model relates to a nonstandard automated control technical field especially relates to a raspberry group extension module of area independent control and networking communication.
Background
In the development process of industrial automation, the data informatization degree is gradually improved, and in the manufacturing process of more and more products, the information, the state and the quality of each work station need to be supervised, the detailed information and the product trend of the whole process are recorded, and the data tracing is convenient and timely.
The existing work stations are processed by separately controlling actions and interconnecting information, the work stations rarely perform information networking and perform related data processing, mostly perform switching through industrial computers, link a lower computer and an MES (manufacturing execution system) system to perform data recording, occupy larger space and resources, and have many limitations on direct application of raspberry groups, and have no direct use.
In order to perform information interconnection, a high-cost internal integrated system is generally purchased, the cost is not lower than that of additionally purchasing a PC, and the internal integrated system only realizes less functions, the resource allocation is wasted, and improvement is needed.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides a raspberry group extension module of area independent control and networking communication, can independent control and the communication of networking, reduces space and the cost that occupies.
In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides a take independent control and networking communication's raspberry group extension module includes:
the raspberry pie is provided with a network interface;
the PCBA is arranged above or below the raspberry group in parallel, a switching pin header pointing to the raspberry group is arranged on the PCBA, and a pin header socket in butt joint with the switching pin header is arranged on the raspberry group;
the I2C interface is arranged on the PCBA board and is used for carrying out I2C communication with an external sensor;
the serial port interface is arranged on the PCBA board and performs data interaction with an external instrument;
the first group of digital input interfaces are arranged on the PCBA and used for receiving the state of an external signal;
the second group of digital input interfaces are arranged on the PCBA and used for receiving the external signal state;
the digital output interface is arranged on the PCBA board and controls external executive components to complete related actions;
the fan power supply interface is arranged on the PCBA board, a radiating fan vent hole pointing to the raspberry group is formed in the PCBA board, a radiating fan is arranged on the radiating fan vent hole, and a power source is provided for the radiating fan through the fan power supply interface;
an external power interface disposed on the PCBA board.
In a preferred embodiment of the present invention, the PCBA board is provided with a plurality of fixing holes for the heat dissipation fans around the ventilation holes for the heat dissipation fans.
In a preferred embodiment of the present invention, the raspberry group is provided with a first fixing hole, and the PCBA board is provided with a second fixing hole corresponding to the first fixing hole.
In a preferred embodiment of the present invention, the first set of digital input interfaces and the second set of digital input interfaces are disposed on the adjacent 2-side edges of the front surface of the PCBA board, the first set of digital input interfaces includes 3 digital input interfaces, and the second set of digital input interfaces includes 13 digital input interfaces.
In a preferred embodiment of the present invention, the PCBA board is provided with an optical coupling isolation driving chip.
In a preferred embodiment of the present invention, the number of the digital output interfaces is 10.
In a preferred embodiment of the present invention, the raspberry group is provided with a USB3.0 interface and a USB2.0 interface.
The utility model has the advantages that: the utility model provides a take raspberry group extension module of independent control and networking communication, PCBA board and raspberry are sent from top to bottom direct to inserting, the equipment is convenient, moreover, the steam generator is compact in structure, reduce the plane space who occupies, the IO mouth function restriction of raspberry group itself has been compensatied, send the interface of each row needle with the raspberry and directly expand into independent external interface, satisfy the different function demands of multiple automation equipment tool, realize independent control and communication upload, the industry computer that the direct substitutability requirement is not high, accomplish the functional requirement that corresponds, the cost is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:
fig. 1 is a schematic structural diagram of a preferred embodiment of a raspberry pi expansion module with independent control and networking communication according to the present invention;
fig. 2 is a top view of fig. 1.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The raspberry pie has a plurality of functions, and can replace a single chip microcomputer and an industrial computer with low performance requirements as a control main body to realize a plurality of automatic or electric control functions. However, based on the characteristics of the raspberry pie, the raspberry pie with the related electrical functions cannot be completed independently, and needs to be connected to corresponding adapter plates through flat cables, peripheral driving circuits, voltage conversion circuits and the like, and then some input and output elements are connected to the corresponding adapter plates, so that the raspberry pie has many split layouts and many circuits.
In addition, the number of IO ports of the raspberry pie is limited, the voltage level of direct interaction is 3.3V, and if the number of IO ports is large or peripheral equipment with unmatched voltage levels is involved, the defects of the raspberry pie are exposed, so that the raspberry pie is more used for learning and research.
The utility model discloses based on the function of raspberry group, this module that can realize independent control and communication upload of development design, extension IO quantity, integrated voltage isolation conversion, direct butt joint switching from top to bottom, convenient let its be applied to the project demand of each difference, realize simply, convenient, the practical application of high performance price ratio.
Referring to fig. 1 to 2, an embodiment of the present invention includes:
the raspberry pi expansion module with independent control and networking communication shown in fig. 1 and fig. 2 comprises:
raspberry group 1, be provided with network interface 14 on the raspberry group 1, can carry out networking communication, and do relevant data processing, in this embodiment, be provided with USB3.0 interface 13 and USB2.0 interface 12 on the raspberry group, can connect peripheral hardware such as code scanning rifle, camera, do relevant data acquisition and data processing, and upload to MES server by network interface 14 directly, the integration of these functions has been had, the application scene will great increase, can directly regard as monomer main control unit when the simplex position is used, during the multistation, can regard as from the controller, directly link the server through the network management, accomplish the function action of every station one by one through the main program flow of system.
The PCBA board 2 (expansion module) is arranged above or below the raspberry pie 1 in parallel, in the embodiment, the size specification of the PCBA board 2 is 100mm 70mm, and the PCBA board and the raspberry pie 1 are designed to be vertically overlapped, so that the occupied plane space is reduced, and the PCBA board has great advantages under the conditions of small volume and limited installation space;
be provided with the switching pin header 27 that points to raspberry group 1 on PCBA board 2, be provided with the pin header socket 11 of arranging the pin header 27 butt joint with the switching on the raspberry group 1, directly carry out the cut-to-plug from top to bottom, stability is high, with each IO switching extension to PCBA board 2 of raspberry group 1, and can design the interface position that wants according to oneself's intention on PCBA board 2, and can add the silk screen printing label, can more audio-visual name information and the function type that each IO corresponds, it is more convenient accurate in portability and maintainability.
In this embodiment, be provided with first fixed orifices on the raspberry group 1, be provided with on the PCBA board 2 with the second fixed orifices 30 of first fixed orifices one-to-one, run through first fixed orifices and the second fixed orifices 30 that correspond through the screw, realize that raspberry group 1 and PCBA board 2 are fixed to the unity after inserting, simplify the structure, further promote the structural stability to inserting.
The external power interface 29 is arranged on the PCBA board 2, and one input voltage is changed into multiple voltages by using a power conversion technology, so that the requirements of different peripherals are met, and the function of power conversion is achieved. In this embodiment, be provided with opto-coupler isolation driver chip on PCBA board 2, after the external power supply, spanned raspberry group 1 self service voltage restriction, raspberry group self is 3.3V IO interface, after the external power supply, keep apart through the opto-coupler, control voltage is 3.3V, drive voltage can be 5V or 24V, the standard component of non-standard trade can be applied to directly, great extension the pluralism of application, the market competition and the professional practicality of product have been improved.
In addition, the optical coupling isolation driving chip effectively isolates low-voltage control high voltage, prevents to send 1 body to damage because of the external reason leads to the raspberry, reduces damage risk and bad cost of maintenance.
As shown in fig. 2, an I2C interface 24 is disposed on the PCBA board 2 for I2C communication with an external sensor; the serial port interface 23 is arranged on the PCBA board 2, and performs data interaction with an external instrument; a first group of digital input interfaces 22 which are arranged on the PCBA board 2 and receive external signal states; the second group of digital input interfaces 21, which are arranged on the PCBA board 2, receive the status of the external signal, and the digital output interfaces 26 are arranged on the PCBA board, in this embodiment, the number of the digital output interfaces is 10, and the digital output interfaces control the external execution elements to complete the related actions, control the related action flow and data processing according to the thinking of the designer, and perform information communication and storage.
In this embodiment, the first group of digital input interfaces 22 and the second group of digital input interfaces 21 are distributed on the adjacent 2-side edges of the front surface of the PCBA board, the first group of digital input interfaces 22 includes 3 digital input interfaces, the second group of digital input interfaces 21 includes 13 digital input interfaces, and a total of 16 digital input interfaces receive external signal states and transmit related information to the raspberry pi 1.
As shown in fig. 2, the interfaces are arranged in the same direction according to the category, so that the wiring is convenient to classify, the related functions are checked according to the category, and the wiring error rate is reduced.
Set up fan power source 25 on PCBA board 2, be provided with the radiator fan ventilation hole 28 of directional raspberry group 1 on the PCBA board 2, install radiator fan on the radiator fan ventilation hole 28, provide the power source for radiator fan through fan power source 25, through radiator fan's starting, strengthen system radiating effect and stability. In this embodiment, be provided with the several on PCBA board 2 and be located radiator fan fixed orifices 31 around radiator fan ventilation hole 28, it is fixed to conveniently carry out radiator fan's installation, with the direct lock of radiator fan on PCBA board 2, more direct and stable.
To sum up, the utility model provides a take raspberry group extension module of independent control and networking communication, the programmability of raspberry group has been utilized, including the independent control of PCBA board, in application can multidirectional design, the customization function, can satisfy the different functional demands of multiple automation equipment tool, a section is multi-purpose, and is small, and the commonality is strong, realized more function under lower cost, the function of partial industrial computer has been replaced, can directly can the industrial computer that the alternative performance required is not high and accomplish corresponding functional demand, space and cost have been saved.
The above is only the embodiment of the present invention, not limiting the scope of the present invention, all of which utilize the equivalent structure or equivalent flow transformation made by the content of the present invention, or directly or indirectly applied to other related technical fields, and all included in the same way in the protection scope of the present invention.
Claims (7)
1. The utility model provides a take independent control and networking communication's raspberry group extension module which characterized in that includes:
the raspberry group is provided with a network interface;
the PCBA board is arranged above or below the raspberry group in parallel, a switching pin header pointing to the raspberry group is arranged on the PCBA board, and a pin header socket in butt joint with the switching pin header is arranged on the raspberry group;
the I2C interface is arranged on the PCBA board and is used for carrying out I2C communication with an external sensor;
the serial port interface is arranged on the PCBA board and performs data interaction with an external instrument;
the first group of digital input interfaces are arranged on the PCBA and used for receiving the state of an external signal;
the second group of digital input interfaces are arranged on the PCBA and used for receiving the external signal state;
the digital output interface is arranged on the PCBA and controls external execution elements to complete related actions;
the fan power supply interface is arranged on the PCBA board, a radiating fan vent hole pointing to the raspberry group is formed in the PCBA board, a radiating fan is arranged on the radiating fan vent hole, and a power source is provided for the radiating fan through the fan power supply interface;
an external power interface disposed on the PCBA board.
2. The raspberry pi expansion module with independent control and networking communication of claim 1, wherein the PCBA is provided with a plurality of fan fixing holes around the fan vent holes.
3. The raspberry pi expansion module with independent control and networking communication of claim 1, wherein the raspberry pi is provided with first fixing holes, and the PCBA is provided with second fixing holes corresponding to the first fixing holes one by one.
4. The raspberry pi expansion module with independent control and networking communication of claim 1, wherein said first and second set of digital input interfaces are disposed on the adjacent 2-sided edge of the front side of the PCBA board, said first set of digital input interfaces comprising 3 digital input interfaces and said second set of digital input interfaces comprising 13 digital input interfaces.
5. The raspberry pi expandor module with independent control and networking communication of claim 1, wherein said PCBA board is provided with an opto-isolator driver chip.
6. The raspberry pi expansion module with independent control and networking communication of claim 1, wherein the number of said digital output interfaces is 10.
7. The raspberry pi expansion module with independent control and networking communication of claim 1, wherein said raspberry pi is provided with a USB3.0 interface and a USB2.0 interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222103878.0U CN218388096U (en) | 2022-08-11 | 2022-08-11 | Raspberry pie expansion module with independent control and networking communication functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222103878.0U CN218388096U (en) | 2022-08-11 | 2022-08-11 | Raspberry pie expansion module with independent control and networking communication functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218388096U true CN218388096U (en) | 2023-01-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222103878.0U Active CN218388096U (en) | 2022-08-11 | 2022-08-11 | Raspberry pie expansion module with independent control and networking communication functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218388096U (en) |
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2022
- 2022-08-11 CN CN202222103878.0U patent/CN218388096U/en active Active
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