Industrial control master-slave station interface module capable of being assembled and expanded

Abstract

The utility model discloses an industrial control master-slave station interface module capable of being assembled and expanded, which comprises a master station and at least one slave station, the master station and the slave station are respectively provided with a splicing circuit board, and the splicing circuit board is provided with a detachable splicing structure. The master station and the slave stations are electrically connected through the detachable splicing structures, and the two slave stations are electrically connected through the detachable splicing structures, so that the control signals are transmitted to the slave stations through the detachable splicing structures. Therefore, the slave stations with certain data can be selected as required to be directly spliced and electrically connected through the detachable splicing structure, flat cable connection is not needed, the expansion efficiency of the interface module is greatly improved, and meanwhile, the reliability of expansion connection is also improved.

Description

Technical Field

[0001] The present application relates to the field of industrial control equipment, and in particular to an industrial control master-slave station interface module that can be assembled and expanded. Background Art

[0002] In the field of industrial control, each controlled device is mainly controlled by an industrial computer to execute a set process. Therefore, a communication line needs to be set between the industrial computer and the controlled device to transmit the control signal. In the prior art, the industrial computer is connected through a communication master station, and then the communication master station is connected to the communication slave station, and finally the communication master station and the communication slave station send the control information to each controlled device. Therefore, in actual application, it is necessary to select a certain number of communication slave stations according to the actual situation, and manually connect the communication master station and the communication slave station through wiring. The expansion methods of the above-mentioned communication slave stations are different, inefficient, and the connection reliability is poor, and long-term reliable communication connection cannot be guaranteed. Utility Model Content

[0003] In view of the above problems, the present application provides an assembleable and expandable industrial control master-slave station interface module, which is used to solve the technical problems of low expansion efficiency and poor reliability of the above-mentioned communication slave stations.

[0004] To achieve the above purpose, the present application provides an industrial control master-slave station interface module that can be assembled and expanded; including:

[0005] A power module, including a power input interface, for providing power;

[0006] The main station includes a signal input interface, wherein the signal input interface is used to connect the control signal of the industrial computer;

[0007] At least one slave station, the slave station comprising at least one signal output interface, the signal output interface being used to connect to a controlled device;

[0008] The master station and the slave station are both provided with a splicing circuit board, and the splicing circuit board is provided with a detachable splicing structure. The master station and the slave station and the two slave stations are electrically connected through the detachable splicing structure, so that the control signal is transmitted to the slave station through the detachable splicing structure.

[0009] Furthermore, the detachable splicing structure includes a pin header disposed on one of the splicing circuit boards and a pin header seat disposed on the other splicing circuit board opposite to the pin header.

[0010] Furthermore, the master station and the slave station include an upper circuit board and a lower circuit board; the signal input interface and the signal output interface are arranged on the corresponding upper circuit board, and are electrically connected to the corresponding lower circuit board through a first connecting structure; the lower circuit board is electrically connected to the splicing circuit board through a second connecting structure.

[0011] Furthermore, the first connection structure includes any one of a pin-row connection structure or a wire-row connection structure.

[0012] Furthermore, the upper circuit board and the lower circuit board are arranged horizontally, the upper circuit board is located above the lower circuit board, and the spliced ​​circuit board is arranged vertically and located below the lower circuit board.

[0013] Furthermore, the second connection structure comprises a pin header and an L-shaped pin header seat; the L-shaped pin header seat comprises a pin header seat and an L-shaped pin arranged at the bottom of the pin header seat.

[0014] Furthermore, the master station and the slave station, and the two slave stations are also locked by bolts.

[0015] Furthermore, the master station and the slave station both include a shell, the shell includes two side surfaces arranged vertically opposite to each other, the bolt is locked to the side surfaces, and the end of the bolt extends from the outside to the inside into the interior of the shell.

[0016] Furthermore, it also includes a mounting seat, which is arranged at the end of the industrial control master-slave station interface module and is provided with a mounting hole for fixing the industrial control master-slave station interface module.

[0017] Furthermore, the power module is arranged at the other end opposite to the mounting seat, and the power module is also provided with the mounting hole.

[0018] Different from the prior art, the above technical solution is an assembleable and expandable industrial control master-slave station interface module including a master station and at least one slave station. Both the master station and the slave station are provided with a splicing circuit board. The splicing circuit board is provided with a detachable splicing structure. The master station and the slave station and the two slave stations are electrically connected through the detachable splicing structure, so that the control signal is transmitted to the slave station through the detachable splicing structure; therefore, slave stations with certain data can be selected as needed for direct assembly and electrical connection through the detachable splicing structure, without the need to use flat cable connection, thereby greatly improving the expansion efficiency of the interface module, and also improving the reliability of the expansion connection.

[0019] The above-mentioned records related to the content of the utility model are only an overview of the technical solution of the present application. In order to enable ordinary technicians in the field to more clearly understand the technical solution of the present application, and then implement it according to the text of the specification and the contents recorded in the drawings, and to make the above-mentioned purpose and other purposes, features and advantages of the present application easier to understand, the following is an explanation in combination with the specific implementation method and drawings of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The drawings are only used to illustrate the principles, implementation methods, applications, characteristics and effects of the specific embodiments of the present application and other related contents, and shall not be considered as limitations of the present application.

[0021] In the drawings of the specification:

[0022] Figure 1 It is a structural schematic diagram of the assembleable and expandable industrial control master-slave station interface module described in the specific implementation method;

[0023] Figure 2 This is a structural schematic diagram of a master station and a slave station being electrically connected via a detachable splicing structure according to a specific implementation method;

[0024] Figure 3 for Figure 2 A partial enlarged view of part A;

[0025] Figure 4 for Figure 2 A partial enlarged view of part B;

[0026] The reference numerals in the above drawings are described as follows:

[0027] 1. Master station; 11. Signal input interface; 13. Upper circuit board; 14. Lower circuit board; 15. First connection structure; 16. Spliced ​​circuit board; 161. Second connection structure; 1611. Second row of needles; 1612. Second row of needle holders; 162. Removable splicing structure; 1621. Third row of needles; 1622. Third row of needle holders;

[0028] 2. slave station; 21. slave communication interface; 22. master communication interface; 23. upper circuit board; 24. lower circuit board; 25. first connection structure; 251. first row of needles; 252. first row of needle seats; 26. splicing circuit board; 261. second connection structure;

[0029] 3. Power module; 31. Power input interface;

[0030] 4. Mounting seat; 41. Mounting hole; 5. Bolt; DETAILED DESCRIPTION

[0031] In order to explain in detail the possible application scenarios, technical principles, specific schemes that can be implemented, and the purposes and effects that can be achieved, the following is a detailed description of the specific embodiments listed in conjunction with the accompanying drawings. The embodiments described herein are only used to more clearly illustrate the technical solutions of the present application, and are therefore only used as examples, and cannot be used to limit the scope of protection of the present application.

[0032] Reference to "embodiment" herein means that the specific features, structures or characteristics described in conjunction with the embodiment may be included in at least one embodiment of the present application. The term "embodiment" appearing in various places in the specification does not necessarily refer to the same embodiment, nor does it particularly limit its independence or association with other embodiments. In principle, in the present application, as long as there is no technical contradiction or conflict, the various technical features mentioned in the embodiments can be combined in any way to form a corresponding implementable technical solution.

[0033] Unless otherwise defined, the technical terms used in this document have the same meanings as those generally understood by those skilled in the art to which this application belongs; the use of relevant terms in this document is only for describing specific embodiments and is not intended to limit this application.

[0034] In the description of this application, the term "and / or" is an expression used to describe the logical relationship between objects, indicating that three relationships may exist, for example, A and / or B, which means: A exists, B exists, and A and B exist at the same time. In addition, the character " / " in this article generally indicates that the objects before and after are in an "or" logical relationship.

[0035] In the present application, terms such as “first” and “second” are merely used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship of quantity, priority or sequence between these entities or operations.

[0036] Without further limitations, in this application, the words "include", "comprises", "has" or other similar expressions used in the sentences are intended to cover non-exclusive inclusion. These expressions do not exclude the presence of additional elements in the process, method or product including the elements, so that the process, method or product including a series of elements may include not only those limited elements, but also other elements not explicitly listed, or also include elements inherent to such process, method or product.

[0037] Similar to the understanding in the Examination Guidelines, in this application, expressions such as "greater than", "less than", "exceed" and the like are understood to exclude the number itself; expressions such as "above", "below", "within" and the like are understood to include the number itself. In addition, in the description of the embodiments of this application, "multiple" means more than two (including two), and similar expressions related to "multiple" are also understood in this way, such as "multiple groups", "multiple times", etc., unless otherwise clearly and specifically limited.

[0038] In the description of the embodiments of the present application, space-related expressions used, such as "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "vertical", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicate the orientation or position relationship based on the orientation or position relationship shown in the specific embodiments or drawings, and are only for the convenience of describing the specific embodiments of the present application or facilitating the reader's understanding, and do not indicate or imply that the referred device or component must have a specific position, a specific orientation, or be constructed or operated in a specific orientation, and therefore cannot be understood as a limitation on the embodiments of the present application.

[0039] Unless otherwise expressly specified or limited, in the description of the embodiments of the present application, the terms "install", "connect", "connect", "fix", "set", etc. used should be understood in a broad sense. For example, the "connection" can be a fixed connection, a detachable connection, or an integrated setting; it can be a mechanical connection, an electrical connection, or a communication connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. For technicians in the technical field to which the present application belongs, the specific meanings of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0040] See also Figures 1 to 4 This embodiment provides an assembleable and expandable industrial control master-slave station interface module. The assembleable and expandable industrial control master-slave station interface module is used between various types of industrial control computers and controlled devices, and is used to send the control signal of the industrial control computer to each controlled device, so that the controlled device can execute the set process and action according to the control signal. The assembleable and expandable industrial control master-slave station interface module can quickly assemble and expand the number of slave stations according to actual needs, thereby improving the efficiency and reliability of the expansion of the industrial control master-slave station interface module.

[0041] like Figure 1 As shown, in this embodiment, an assembleable and expandable industrial control master-slave station interface module includes: a power module 3, a master station 1 and a slave station 2.

[0042] The power module 3 includes a power input interface 31, which is connected to a power cord connector. The power module 3 is used to provide power for the assembleable and expandable industrial control master-slave interface module, that is, to provide power for the master station 1 and the slave station 2. The power input interface 31 and the power cord connector can be aviation connectors or other types of industrial communication connector components. The input and output voltages of the power module 3 can be different voltage values ​​such as 5V, 9V, 12V1, and 16V.

[0043] The master station 1 includes a signal input interface 11, and the signal input interface 11 is used to connect the control signal of the industrial computer. In addition to the signal input interface 11, the master station 1 can also include a certain number of signal output interfaces. The control signal input from the signal input interface 11 can be directly output to the signal output interface on the master station 1 after being processed by the master station 1, so a certain number of controlled devices can be connected through the master station 1.

[0044] The slave station 2 includes at least one signal output interface, which is used to connect to the controlled device; wherein the signal output interface may include a slave communication interface 21 and a master communication interface 22, wherein the slave communication interface 21 and the master communication interface 22 refer to communication interfaces of different communication protocols, which may specifically be any one of RS232, RS422, RS485 and Ethernet interfaces.

[0045] In this embodiment, the master station 1 and the slave station 2 are both provided with a splicing circuit board, and the splicing circuit board is provided with a detachable splicing structure. The master station and the slave station and the two slave stations are electrically connected through the detachable splicing structure, so that the control signal is transmitted to the slave station through the detachable splicing structure. Figure 2 As shown, the master station 1 also does not have the splicing circuit board 16, and the slave station 2 is provided with a splicing circuit board 26. The splicing circuit board 16 and the splicing circuit board 26 are electrically connected via a detachable splicing structure 162. The control signal input by the master station 1 can be transmitted to the slave station 2 through the splicing circuit board 16 and the detachable splicing structure 162 after being processed by the master station, and then transmitted to each signal output interface by the splicing circuit board 26 of the slave station 2, and output to each controlled device through each signal output interface.

[0046] In the above embodiment, slave stations with certain data can be directly assembled and electrically connected through a detachable splicing structure according to needs, without the need to use flat cable connections, thereby greatly improving the expansion efficiency of the interface module and also improving the reliability of the expansion connection. Figure 1 As shown, in order to improve the connection firmness between the master station and the slave station, and the connection firmness between the slave stations, the master station 1 and the slave station 2, and the two slave stations 2 are also locked by bolts 5. Wherein, the master station 1 and the slave station 2 both include a shell, and the shell is provided with a bolt hole, and the bolt 5 penetrates the bolt hole to fix the shell of the master station and the shell of the slave station together, or fixes the shells of the two slave stations together.

[0047] like Figure 1 As shown, in this embodiment, the housing of the master station 1 and the slave station 2 includes two side surfaces arranged vertically opposite to each other, the bolts are locked to the side surfaces, and the ends of the bolts extend from the outside to the inside of the housing.

[0048] like Figure 2 As shown, in one embodiment, the master station 1 includes an upper circuit board 13 and a lower circuit board 14, and the slave station 2 includes an upper circuit board 23 and a lower circuit board 24; the signal input interface 11 is arranged on the upper circuit board 13, and the signal output interface is arranged on the corresponding upper circuit board 23. The upper circuit board 13 is electrically connected to the corresponding lower circuit board 14 through a first connection structure 15; and the lower circuit board 14 is electrically connected to the splicing circuit board 16 through a second connection structure 161.

[0049] The upper circuit board 23 on the slave station 2 is electrically connected to the corresponding lower circuit board 24 via the first connection structure 25; the lower circuit board 24 is electrically connected to the spliced ​​circuit board 26 via the second connection structure 261. Figure 3 and Figure 4 As shown, in this embodiment, the first connection structure 15, the first connection structure 25, the second connection structure 161 and the second connection structure 261 are pin row connection structures, that is, the pin row and the corresponding pin row seat are foldably connected. The first connection structure 25 includes a first row of pins 251 and a corresponding first row of pin seats 252. The second connection structure 161 includes a second row of pins 1611 and a corresponding second row of pin seats 1612. Similarly, the second connection structure 261 includes a second row of pins 2611 and a corresponding second row of pin seats 2612.

[0050] In other embodiments, the first connection structure 15 , the first connection structure 25 , the second connection structure 161 and the second connection structure 261 may be any one of a pin header connection structure and a wire header connection structure.

[0051] The master station and the slave station in the present application are not limited to the layered structure of the upper circuit board and the lower circuit board mentioned above. In other embodiments, the upper circuit board and the lower circuit board in the above embodiments can be integrated on a circuit board, and the spliced ​​circuit board 16 is directly connected to the integrated circuit board.

[0052] The detachable splicing structure 162 includes a pin header disposed on one of the splicing circuit boards and a pin header seat disposed on another of the splicing circuit boards opposite to the pin header. Figure 3 As shown, the detachable splicing structure 162 includes a third row of needles 1621 arranged on the splicing circuit board 16 of the master station 1 and a third row of needle seats 1622 arranged on the splicing circuit board 26 of the slave station 2. The third row of needles 1621 can be inserted into the third row of needle seats 1622 to achieve detachable electrical connection.

[0053] like Figure 2As shown, the upper circuit board 13 and the lower circuit board 14 in the master station 1 are arranged horizontally, the upper circuit board 13 is located above the lower circuit board 14, and the spliced ​​circuit board 16 is arranged vertically and located below the lower circuit board. The layout structure of the upper circuit board 23, the lower circuit board 24 and the spliced ​​circuit board 26 in the slave station 2 is the same as that of the master station 1.

[0054] like Figure 3 As shown, the second connection structure comprises a needle header and an L-shaped needle header seat; the L-shaped needle header seat comprises a needle header seat and an L-shaped pin arranged at the bottom of the needle header seat.

[0055] like Figure 1 As shown, in the above embodiment, the assembleable and expandable industrial control master-slave station interface module also includes a mounting seat 4, which is arranged at the end of the industrial control master-slave station interface module, and the mounting seat 4 is provided with a mounting hole 41, and the mounting seat 4 is used to fix the industrial control master-slave station interface module. In this embodiment, the mounting seat 4 is an L-shaped structural member, one side of the mounting seat 4 is connected to the housing of the master station 1 or the slave station 2, and is fixed to the master station 1 or the slave station 2 by bolts 5. The other side of the mounting seat 4 contacts the mounting surface, and then the assembleable and expandable industrial control master-slave station interface module is fixed to the mounting surface by fasteners such as bolts.

[0056] like Figure 1 As shown, in one embodiment, the power module 3 is arranged at the other end opposite to the mounting seat 4, and the power module 3 is also provided with the mounting hole 41. The power module 3 is also an L-shaped structural member similar to the mounting seat 4, and the mounting seat 4 is fixed to the master station 1 or the slave station 2 by bolts 5. In this embodiment, one end of the assembleable and expandable industrial control master-slave station interface module is fixedly installed by the mounting seat 4, and the other end is fixedly installed by the power module 3, so that the installation firmness of the assembleable and expandable industrial control master-slave station interface module can be ensured.

[0057] Finally, it should be noted that although the above embodiments have been described in the specification and drawings of this application, this does not limit the scope of patent protection of this application. All technical solutions generated by replacing or modifying equivalent structures or equivalent processes based on the essential concept of this application using the contents recorded in the specification and drawings of this application, as well as directly or indirectly implementing the technical solutions of the above embodiments in other related technical fields, are included in the scope of patent protection of this application.

Claims

1. An industrial control master-slave station interface module that can be assembled and expanded; characterized in that: include: A power module, including a power input interface, for providing power; The main station includes a signal input interface, wherein the signal input interface is used to connect the control signal of the industrial computer; At least one slave station, the slave station comprising at least one signal output interface, the signal output interface being used to connect to a controlled device; The master station and the slave station are both provided with a splicing circuit board, and the splicing circuit board is provided with a detachable splicing structure. The master station and the slave station and the two slave stations are electrically connected through the detachable splicing structure, so that the control signal is transmitted to the slave station through the detachable splicing structure.

2. The assembleable and expandable industrial control master-slave station interface module according to claim 1, characterized in that: The detachable splicing structure includes a pin header arranged on one of the splicing circuit boards and a pin header seat arranged on the other splicing circuit board opposite to the pin header.

3. The assembleable and expandable industrial control master-slave station interface module according to claim 1 or 2, characterized in that: The master station and the slave station include an upper circuit board and a lower circuit board; the signal input interface and the signal output interface are arranged on the corresponding upper circuit board, and are electrically connected to the corresponding lower circuit board through a first connection structure; the lower circuit board is electrically connected to the splicing circuit board through a second connection structure.

4. The assembleable and expandable industrial control master-slave station interface module according to claim 3, characterized in that: The first connection structure includes any one of a pin-row connection structure or a wire-row connection structure.

5. The assembleable and expandable industrial control master-slave station interface module according to claim 3, characterized in that: The upper circuit board and the lower circuit board are arranged horizontally, the upper circuit board is located above the lower circuit board, and the spliced ​​circuit board is arranged vertically and located below the lower circuit board.

6. The assembleable and expandable industrial control master-slave station interface module according to claim 3, characterized in that: The second connecting structure comprises a needle header and an L-shaped needle header seat; the L-shaped needle header seat comprises a needle header seat and an L-shaped pin arranged at the bottom of the needle header seat.

7. The assembleable and expandable industrial control master-slave station interface module according to claim 3, characterized in that: The master station and the slave station as well as the two slave stations are also locked by bolts.

8. The assembleable and expandable industrial control master-slave station interface module according to claim 7, characterized in that: The master station and the slave station both include a shell, and the shell includes two side surfaces arranged vertically opposite to each other. The bolt is locked on the side surfaces, and the end of the bolt extends from the outside to the inside of the shell.

9. The assembleable and expandable industrial control master-slave station interface module according to claim 1, characterized in that: It also includes a mounting seat, which is arranged at the end of the industrial control master-slave station interface module and is provided with a mounting hole for fixing the industrial control master-slave station interface module.

10. The assembleable and expandable industrial control master-slave station interface module according to claim 9, characterized in that: The power module is arranged at the other end opposite to the mounting seat, and the power module is also provided with the mounting hole.

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