CN219498436U - Fieldbus module - Google Patents

Abstract

The application belongs to the technical field of data transmission equipment, and provides a field bus module which comprises a sub-module, a substrate and a chassis, wherein the sub-module is provided with a communication interface terminal; the base plate is provided with a plurality of plug terminals for respectively installing the sub-modules, and the plug terminals are orderly arranged on the base plate along the length direction of the base plate; the chassis comprises a bottom plate and baffle plates arranged at two ends of the bottom plate, the length of the bottom plate is not less than that of the base plate, and the base plate is arranged on the bottom plate; the baffle is detachably connected with the end part of the bottom plate. The field bus module mounting structure solves the technical problem that a target sub-module in the middle of the whole field bus module is not beneficial to disassembly, assembly and replacement.

Description

Fieldbus module

Technical Field

The application belongs to the technical field of data transmission equipment, and particularly relates to a field bus module.

Background

The field bus module, also called a connector junction box, is a device capable of outputting a plurality of current or data signals by shunting and converting an accessed power supply or data, and is a kind of industrial connector. The field bus is an industrial data bus and is a bottom data communication network in the automation field. The field bus module is a digital, two-way transmission and branch structure communication network which is applied to the production site and is used for connecting the intelligent field device and the automatic measurement control system.

Because the application of Ethernet is very extensive, the communication interfaces adopted by the equipment produced by different hardware manufacturers are different, so that the access terminals of different communication interfaces are integrated on the field bus module to be compatible with different communication equipment connections, thereby forming a controllable network hub.

The field bus module in the prior art generally adopts a card-like mounting structure, namely, one field bus module consists of a plurality of sub-modules with different communication interfaces, each sub-module is manufactured into a card-like plug-in structure, and adjacent sub-modules are orderly connected together through buckling pieces on two side parts of the sub-modules, and meanwhile, the electric connection is realized. The field bus module in the form has a simple structure, and a plurality of sub-modules are easy to be combined together.

However, when an individual sub-module fails or a different sub-module needs to be replaced, the sub-modules that are located in the middle of the field bus modules that are all spliced together will be difficult to remove. In practical application, adjacent sub-modules need to be disassembled in sequence, and then the target sub-module positioned in the middle can be disassembled. When a new sub-module is installed, other adjacent sub-modules are reinstalled in sequence. Therefore, the whole replacement operation is very complicated, and the actual operation is not facilitated.

Disclosure of Invention

An object of the embodiment of the present application is to provide a fieldbus module, so as to solve the technical problem that the installation structure of the fieldbus module in the prior art is not beneficial to the disassembly, assembly and replacement of a target sub-module in the middle position of the whole fieldbus module.

In order to achieve the above purpose, the technical scheme adopted in the application is as follows: there is provided a fieldbus module comprising:

a sub-module, the sub-module having a communication interface terminal thereon;

the base plate is provided with a plurality of plug terminals for respectively mounting the sub-modules, and the plug terminals are orderly arranged on the base plate along the length direction of the base plate;

the chassis comprises a bottom plate and baffle plates arranged at two ends of the bottom plate, the length of the bottom plate is not less than that of the base plate, and the base plate is arranged on the bottom plate; the baffle is detachably connected with the end part of the bottom plate.

The beneficial effect of the field bus module that this application provided lies in: compared with the prior art, the field bus module of the application adopts the substrate as the mounting base of a plurality of sub-modules, a plurality of plug terminals for respectively mounting the sub-modules are arranged on the substrate, the plug terminals are orderly arranged on the substrate, and each sub-module can be vertically plugged on the substrate respectively to realize mounting connection. When the individual sub-modules need to be replaced, the sub-modules of the replacement targets can be directly disconnected from the substrate and the plug terminals, so that the target sub-modules can be easily detached. Need not to operate adjacent submodule piece, adjacent submodule piece is not influenced, dismouting convenient operation, easy to use improves dismouting efficiency effectively.

The field bus module further comprises a chassis, wherein the chassis is used for loading the base plate and the plurality of sub-modules, and coating protection is carried out on the base plate and the sub-modules, so that the whole field bus module is favorably carried, transferred and installed on upper-level equipment. The chassis comprises a bottom plate and baffle plates positioned at two ends of the bottom plate, wherein the baffle plates are detachably connected with the two ends of the bottom plate, so that the substrate is accommodated in the chassis. Therefore, on one hand, the chassis is in a frame structure, which is favorable for limiting the installation position of each sub-module, so that a plurality of sub-modules are installed on the substrate and are adjacently and abuttingly arranged in the chassis, and the installation efficiency and the aesthetic feeling are effectively improved. On the other hand, the flexible configuration can be realized according to the actual field bus requirement, for example, a substrate with corresponding length is arranged according to the number of submodules required to be installed, and a corresponding number of plug terminals are arranged on the substrate; then, a bottom plate matched with the length of the substrate is adopted, so that the substrate is arranged on the bottom plate; and finally, installing upper baffles at two ends of the bottom plate to complete assembly. The sub-modules are detachably arranged on the base plate, the plug-in terminals on the base plate are connected with the sub-modules, and meanwhile, the installation positions of the sub-modules on the chassis are limited, so that the sub-modules are orderly arranged on the chassis. The field bus module is simple in structure, easy to use, space-saving and high in specification adaptability to the field bus.

The structure of the chassis is improved, the bottom plate is provided with convex rails which are arranged in a protruding way, and the convex rails are arranged on the bottom plate along the length direction of the bottom plate; the convex rail is provided with a plurality of first mounting holes, and the plurality of first mounting holes are orderly arranged on the convex rail along the length direction of the convex rail; the base plate is provided with a plurality of first fixing holes, and the positions of the plurality of first fixing holes and the positions of the plurality of first mounting holes are in one-to-one correspondence, so that the first fixing holes and the first mounting holes can be selectively connected and fixed in a penetrating way through mounting fasteners such as screws. On the one hand, the convex rail on the bottom plate is used as an installation base platform for the base plate, and the installation and the fixation of fasteners such as screws and the like are convenient to install and fix, so that the fixing effect on the base plate is ensured. On the other hand, the convex rail is arranged on the bottom plate in a convex way, so that the substrate is fixed on the convex rail and forms a distance with the bottom plate, and the convex elements or welding heads and the like on the bottom surface of the substrate are prevented from being directly contacted with the bottom plate; meanwhile, the surface of the substrate is maintained on a horizontal plane, so that when all the sub-modules are arranged on the substrate, the upper end faces of all the sub-modules are kept flush, and the aesthetic feeling is improved.

Optionally, the fieldbus module further includes a fastener, on which a stud is mounted, and the fastener is mounted at the bottom of the base plate; the first mounting holes on the convex rail penetrate through the bottom plate, and the studs sequentially penetrate through the first mounting holes and the first fixing holes on the substrate. Therefore, the bottom plate and the substrate are connected and fixed by the clamping piece so as to lock the position of the substrate on the bottom plate, thereby avoiding affecting the installation of the baffle plates at the two ends of the bottom plate and further improving the fixing effect on the substrate.

Optionally, the bottom of the bottom plate has a groove corresponding to the position of the convex rail, and the fastener is embedded in the groove. The groove at the bottom of the bottom plate is used for limiting the mounting position of the buckling piece, so that the buckling piece is prevented from being shifted easily, and the positioning effect of the buckling piece is improved.

The structure of the chassis is improved, surrounding edges are arranged on two sides of the bottom plate, two sides of the sub-module are connected with the surrounding edges in a mounting mode, and the fixing effect is improved. Therefore, the whole chassis is formed into a tray body structure with an upper opening and four surrounding sides, so that the sub-modules arranged on the chassis are installed and positioned.

Optionally, the surrounding edges on two sides of the bottom plate are different in height, and two side edges of the baffle are connected with the surrounding edges in a mounting manner. On the one hand, the heights of the surrounding edges on two sides of the bottom plate are different, and the heights of the two sides of the submodule can be preferably matched with the heights of the surrounding edges on two sides of the bottom plate in a complementary mode, so that the mounting posture of the submodule is unique, and the effect of foolproof mounting is achieved. On the other hand, the baffle edges at two ends of the bottom plate are connected with the surrounding edge end parts at two sides of the bottom plate in an installation manner, so that the structural strength of the whole chassis is improved.

Optionally, the baffle is provided with an inserting block connected with the end part of the bottom plate, and two ends of the bottom plate are respectively provided with an inserting hole which is inserted with the inserting block, so that the baffle is inserted and fixed on two ends of the bottom plate. Simple structure, easy implementation is favorable to improving installation counterpoint efficiency, lets the baffle install on the both ends of bottom plate accurately.

The structure of the sub-module is improved, the sub-module comprises a shell and an electric control board accommodated in the shell, one end of the electric control board is provided with a communication interface terminal, the other end of the electric control board is provided with a mounting terminal, the communication interface terminal is exposed out of the shell, and the mounting terminal is spliced with a splicing terminal on the substrate. Therefore, the shell of the submodule protects the electric control board in a cladding way, is favorable for preventing foreign objects or external force from directly acting on the electric control board, and can be used as a part operated by hands to install the electric control board on the base plate. The adjacent submodules are abutted by the shell in an adjacent way, so that a plurality of submodules are orderly arranged in the chassis, and the tightness and the attractive appearance of the whole field bus module are effectively improved. The communication interface terminal at the upper end of the electric control board is exposed out of the shell for connecting with external equipment. The mounting terminal at the lower end of the electric control plate is spliced with the splicing terminal on the base plate, so that the electric connection between the electric control plate and the base plate is realized, and the submodule can be fixed on the base plate.

Optionally, the shell includes an upper end panel and side plates respectively connected to at least three sides of the upper end panel, one of the side plates of the three sides is a first side plate, the surface area of the first side plate is not smaller than that of the electric control plate, and the surface of the electric control plate is propped against the first side plate; the upper end panel is provided with an opening matched with the communication interface terminal in shape, and the communication interface terminal is exposed out of the shell from the opening. On the one hand, the first side plate on the shell is used as an abutting plate of the electric control plate, so that the wrapping protection and bearing effects on the electric control plate are achieved, and the protection effect on the electric control plate is improved. On the other hand, the upper end panel of the shell is provided with an opening, so that the communication interface terminal on the electric control board can be exposed outside the shell from the opening, and the connection of an external circuit is facilitated.

Optionally, two sides of the bottom plate are provided with surrounding edges with different heights; among the three side plates, the side plates positioned at the two sides of the first side plate are second side plates, and the lengths of the second side plates at the two sides are in high complementary fit with the surrounding edges at the two sides of the bottom plate; the periphery is provided with a second mounting hole, and the extending end of the side plate is provided with a second fixing hole corresponding to the second mounting hole in position so as to be convenient for installing and fixing by installing fasteners such as screws and the like. The second side plates at the two sides of the shell are in high complementary fit with the surrounding edges at the two sides of the bottom plate, so that the sub-module is unique in installation posture, and the foolproof installation function is realized.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required for the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic perspective view of a fieldbus module according to an embodiment of the present application;

FIG. 2 is a schematic diagram of an explosion structure of a Fieldbus module according to an embodiment of the present disclosure;

fig. 3 is a schematic diagram of an explosion structure of a fieldbus module according to an embodiment of the present application;

FIG. 4 is a schematic diagram illustrating an assembly structure of a substrate and a base plate according to an embodiment of the present disclosure;

FIG. 5 is a schematic diagram of a sub-module for assembling and disassembling a Fieldbus module according to an embodiment of the present disclosure;

FIG. 6 is a second schematic diagram of an assembly structure of a substrate and a base plate according to an embodiment of the present disclosure;

fig. 7 is a schematic diagram of an assembly structure of a substrate and a base plate according to an embodiment of the present disclosure;

fig. 8 is a schematic diagram of an assembly structure of a sub-module and a base plate according to an embodiment of the present disclosure;

fig. 9 is a schematic diagram of an explosion structure of a chassis according to an embodiment of the present application;

fig. 10 is a schematic perspective view of a submodule according to an embodiment of the present application;

FIG. 11 is a schematic diagram of an explosion structure of a submodule according to an embodiment of the present application;

fig. 12 is a schematic diagram of an assembly structure of a sub-module and a chassis according to an embodiment of the present disclosure;

fig. 13 is a schematic structural diagram of a sub-module provided in an embodiment of the present application mounted on a chassis.

Wherein, each reference sign in the figure:

1-a sub-module; 11-a communication interface terminal; 12-a housing; 120-heat dissipation holes; 121-an upper end panel; 122-a first side plate; 123-a second side panel; 124-a second securing hole; 13-an electric control board; 14-mounting terminals;

2-a substrate; 21-a plug terminal; 22-a first fixing hole;

3-chassis; 31-a bottom plate; 311-convex rail; 312-a first mounting hole; 313-groove; 314-surrounding edges; 315-jack; 316-slot; 317-second mounting holes;

32-baffle plates; 321-inserting blocks; 322-screw holes;

4-a fastener; 41-studs.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved by the present application more clear, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present application and simplify description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the present application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Referring to fig. 1 and 2, the fieldbus module provided in the embodiment of the present application includes a sub-module 1, a substrate 2 and a chassis 3.

The sub-module 1 has a plurality of sub-modules, and each sub-module 1 can be provided with different communication interface terminals 11 for connection of different communication devices. In this embodiment, one sub-module 1 may be set as a control host, another sub-module 1 may be set as a power supply module connected to a power supply, and other sub-modules 1 may be set as expansion modules. Here, the submodules 1 may be flexibly set according to actual application requirements, and specific functions of each submodule 1 are not specifically limited herein.

Referring to fig. 2 and 3, the substrate 2 is provided with a plurality of plugging terminals 21 for respectively mounting the sub-modules 1, and the plugging terminals 21 are orderly arranged on the substrate 2 along the length direction of the substrate 2, so that the sub-modules 1 can be orderly mounted on the substrate 2 and electrically connected. The substrate 2 may also preferably be the electronic control motherboard of the fieldbus module.

In practical applications, the submodule 1 can be selectively plugged into the plugging terminal 21 at a corresponding position according to practical requirements. The plugging terminals 21 on the substrate 2 do not need to be fully plugged, and can also be reserved for selective installation of the expansion sub-module 1 which needs to be added later, so that the use flexibility is improved.

Referring to fig. 3, the chassis 3 includes a bottom plate 31 and baffles 32 mounted at two ends of the bottom plate 31, the length of the bottom plate 31 is not less than the length of the substrate 2, and the substrate 2 is disposed on the bottom plate 31. I.e. the length of the bottom plate 31 is greater than or equal to the length of the substrate 2, so that the substrate 2 can be carried on the bottom plate 31, and the baffle 32 is detachably connected to the end of the bottom plate 31.

Accordingly, as shown in fig. 4, the length of the substrate 2 may be extended according to the use requirement, the length of the bottom plate 31 may be set according to the length of the substrate 2, and after cutting, the upper baffles 32 may be mounted on both ends of the bottom plate to form the whole chassis 3, so that the substrate 2 is accommodated in the chassis 3.

Compared with the prior art, the field bus module provided by the embodiment of the application adopts the substrate 2 as the mounting base of the plurality of sub-modules 1, a plurality of plug terminals 21 for respectively mounting the sub-modules 1 are arranged on the substrate 2, the plug terminals 21 are orderly arranged on the substrate 2, and each sub-module 1 can be respectively vertically plugged on the substrate 2 to realize mounting connection. As shown in fig. 5, when the individual sub-module 1 needs to be replaced, the sub-module 1 to be replaced can be disconnected directly from the board 2 by disconnecting the plug terminals 21, and the sub-module 1 to be replaced can be easily removed. Need not to operate adjacent submodule piece 1, adjacent submodule piece 1 does not receive the influence, dismouting convenient operation, easy to use improves dismouting efficiency effectively.

The field bus module further comprises a chassis 3, wherein the chassis 3 is used for loading the substrate 2 and the plurality of sub-modules 1, and coating protection is carried out on the substrate 2 and the sub-modules 1, so that the whole field bus module is favorably carried, transferred and installed on upper-level equipment. The chassis 3 includes a bottom plate 31 and a baffle 32 at both ends of the bottom plate 31, and the baffle 32 is detachably connected to both ends of the bottom plate 31, so that the substrate is accommodated in the chassis. On the one hand, the chassis 3 is in a frame structure, which is favorable for limiting the installation position of each sub-module 1, so that a plurality of sub-modules 1 are installed on the substrate 2 and are adjacently and abuttingly arranged in the chassis 3, thereby effectively improving the installation efficiency and the aesthetic feeling. On the other hand, the flexible configuration can be realized according to the actual field bus requirement, for example, the base plates 2 with corresponding lengths are arranged according to the number of the submodules 1 required to be installed, and the corresponding number of plug terminals 21 are arranged on the base plates 2; then, a bottom plate 31 matched with the length of the substrate 2 is adopted, and the substrate 2 is arranged on the bottom plate 31; finally, upper baffles 32 are installed at both ends of the bottom plate 31 to complete the assembly. The sub-modules 1 are detachably mounted on the base plate 2, and the plugging terminals 21 on the base plate 2 are connected with the sub-modules 1 and define the mounting positions of the sub-modules 1 on the chassis 3, so that the sub-modules 1 are orderly arranged on the chassis 3. The field bus module is simple in structure, easy to use, space-saving and high in specification adaptability to the field bus.

For the structure of the chassis 3, in an embodiment of the present application, referring to fig. 6, the bottom plate 31 has a protruding rail 311 disposed thereon, and the protruding rail 311 is disposed on the bottom plate 31 along the length direction of the bottom plate 31. The convex rail 311 has a plurality of first mounting holes 312, and the plurality of first mounting holes 312 are orderly arranged on the convex rail 311 along the length direction of the convex rail 311.

The base plate 2 has a plurality of first fixing holes 22, and the first fixing holes 22 are in one-to-one correspondence with the positions of the first mounting holes 312, so that a mounting fastener, such as a screw, selectively penetrates through the first fixing holes 22 and the first mounting holes 312 to achieve connection and fixation.

On the one hand, the protruding rail 311 on the bottom plate 31 is used as a mounting base for the substrate 2, and a fastener such as a screw is conveniently added for mounting and fixing, so that the fixing effect on the substrate 2 is ensured.

On the other hand, the convex rail 311 is arranged on the bottom plate 31 in a protruding way, so that the substrate 2 is fixed on the convex rail 311 and forms a distance with the bottom plate 31, and the convex element or the welding head and the like on the bottom surface of the substrate 2 are prevented from directly contacting with the bottom plate 31; meanwhile, the surface of the substrate 2 is maintained on a horizontal plane, so that when each sub-module 1 is arranged on the substrate 2, the upper end faces of the sub-modules 1 are kept flush, and the aesthetic feeling is improved.

In the embodiment of the present application, referring to fig. 6 and fig. 7 together, the fieldbus module further includes a fastener 4, and the fastener 4 is provided with a stud 41, where the stud 41 may preferably be a screw or a strip screw.

The fastening member 4 is mounted at the bottom of the bottom plate 31, the first mounting hole 312 on the protruding rail 311 penetrates through the bottom plate 31, and the stud 41 sequentially penetrates through the first mounting hole 312 and the first fixing hole 22 on the substrate 2, so as to realize connection and fixation.

Accordingly, the bottom plate 31 and the substrate 2 are connected and fixed by the fastener 4 to lock the position of the substrate 2 on the bottom plate 31, thereby avoiding the influence on the mounting of the baffle plates 32 at the two ends of the bottom plate 31 and further improving the fixing effect on the substrate 2.

Preferably, as shown in fig. 7, the bottom of the bottom plate 31 further has a groove 313 corresponding to the position of the convex rail 311, so that the fastener 4 can be engaged in the groove 313. The groove 313 at the bottom of the bottom plate 31 is used for limiting the installation position of the buckling piece 4, so that the buckling piece 4 is prevented from being easily shifted, and the positioning effect on the buckling piece 4 is improved.

For the structure of the chassis 3, in another embodiment of the present application, referring to fig. 8, two sides of the bottom plate 31 have surrounding edges 314, and two sides of the sub-module 1 are connected with the surrounding edges 314 in a mounting manner, so as to improve the fixing effect. Thus, the whole chassis 3 is formed into a tray body structure with an upper opening and four surrounding sides, so as to perform the installation and positioning functions on the sub-modules 1 installed on the chassis 3.

For the mounting structure of the baffle 32 and the bottom plate 31, in the embodiment of the present application, referring to fig. 9, the baffle 32 has a plug 321 for connecting with an end of the bottom plate 31, and two ends of the bottom plate 31 have insertion holes 315 respectively for plugging with the plug 321 of the baffle 32, so that the baffle 32 can be plugged and fixed on two ends of the bottom plate 31. Simple structure, easy implementation is favorable to improving installation counterpoint efficiency, lets baffle 32 install on the both ends of bottom plate 31 accurately.

In order to improve the fixing strength, in the present embodiment, as shown in fig. 9, the baffle 32 is further provided with a screw hole 322, and two ends of the bottom plate 31 are provided with slots 316 corresponding to the screw hole 322, so as to facilitate the installation and fixing of fasteners such as screws, and further improve the fixing effect.

For the structure of the peripheral edges 314 on both sides of the bottom plate 31, in another embodiment of the present application, please refer to fig. 8 and 9 together, the heights of the peripheral edges 314 on both sides of the bottom plate 31 are different, and the heights of both sides of the sub-module 1 can be preferably matched with the heights of the peripheral edges 314 on both sides of the bottom plate 31 in a complementary manner, so that the installation posture of the sub-module 1 is unique, thereby playing a role of installation fool-proofing.

The edges of the baffle plates 32 at the two ends of the bottom plate 31 are connected with the end parts of the surrounding edges 314 at the two sides of the bottom plate 31 in an installation manner, so that the structural strength of the whole chassis 3 is improved. In this embodiment, as shown in fig. 9, the shape of the baffle 32 can be set to match with the surrounding edges 314 with different heights on two sides, so that the upper end of the baffle 32 has a gradual change profile from low to high, thereby improving the aesthetic feeling.

For the structure of the sub-module 1, in the embodiment of the present application, please refer to fig. 10 and 11 together, the sub-module 1 includes a housing 12 and an electric control board 13 accommodated in the housing 12, one end of the electric control board 13 is provided with a communication interface terminal 11, the other end of the electric control board 13 is provided with a mounting terminal 14, and the communication interface terminal 11 on the electric control board 13 is exposed out of the housing 12, so as to facilitate connection of external lines. The mounting terminals 14 are plugged with the plugging terminals 21 on the substrate 2, so that the electric connection between the electric control board 13 and the substrate 2 is realized, and the submodule 1 can be fixed on the substrate 2.

The shell 12 of the sub-module 1 protects the electric control board 13 in a coating manner, which is beneficial to preventing foreign objects or external force from directly acting on the electric control board 13, and the shell 12 can be used as a part operated by hands to mount the electric control board 13 on the base plate 2. The adjacent sub-modules 1 are abutted adjacently by the shell 12, so that the plurality of sub-modules 1 are orderly arranged in the chassis 3, and the tightness and the aesthetic sense of the whole field bus module are effectively improved.

In this embodiment, as shown in fig. 10 and 11, the housing 12 includes an upper end panel 121 and side panels respectively connected to at least three sides of the upper end panel 121, one of the three side panels is a first side panel 122, and the panel surface area of the first side panel 122 is preferably not smaller than that of the electric control panel 13, so that the panel surface of the electric control panel 13 can be abutted against the first side panel 122, so as to perform the wrapping protection and bearing functions on the electric control panel 13, and further improve the protection effect on the electric control panel 13.

The housing 12 of the sub-module 1 adopts a three-side plate structure, which is beneficial to heat dissipation of the electric control plate 13. Because the plurality of sub-modules 1 are adjacently and adjacently arranged on the base plate 2 in order, the side plate on the adjacent shell 12 can be utilized to cover one side without the side plate, thereby also playing a role of enclosing the electric control plate 13.

In other embodiments (not shown), the housing may also include an upper panel 121 and side panels respectively connected to four sides of the upper panel 121, wherein two opposite side panels are the first side panels 122, and the area of the first side panels 122 is preferably not smaller than that of the electric control panel 13, so as to perform shielding protection function on the electric control panel 13 from two sides.

In this embodiment, as shown in fig. 11, the housing 12 of the sub-module 1 is further provided with a heat dissipation hole 120 to improve the heat dissipation effect.

Referring to fig. 10 and 11, the upper panel 121 is provided with an opening, which is matched with the shape of the communication interface terminal 11 on the electric control board 13, so that the communication interface terminal 11 on the electric control board 13 can be exposed outside the housing 12 from the opening, thereby facilitating the connection of external lines.

In the embodiment of the present application, please refer to fig. 8 and 9 together, since the heights of the peripheral edges 314 at the two sides of the bottom plate 31 are different, the side plates on the housing 12 are also adapted to be matched.

Specifically, referring to fig. 12 and 13, among the three side plates, the side plates disposed opposite to the first side plate 122 are the second side plates 123, and the lengths of the second side plates 123 are in complementary fit with the heights of the peripheral edges 314 of the two sides of the bottom plate 31. "complementary mating" is understood herein to mean: the whole field bus module is in a structure similar to a rectangular square body, so that the heights of two sides of the whole field bus module are the same. However, the two side edges 314 of the bottom plate 31 are arranged at different heights, so that the lengths of the second side plates 123 on the two sides of the housing 12 are complementary to the heights of the two side edges 314 on the bottom plate 31, so that the overall heights of the two sides of the fieldbus module are kept equal.

The peripheral edge 314 has a second mounting hole 317, and the second side plate 123 has a second fixing hole 124 at an extended end thereof corresponding to the second mounting hole 317 for mounting and fixing by fastening means such as screws.

In this way, on the housing 12 of the sub-module 1, the second side plates 123 on both sides of the housing 12 are in high complementary fit with the peripheral edges 314 on both sides of the bottom plate 31, so that the installation posture of the sub-module 1 is unique, and thus the installation foolproof function is achieved.

The foregoing description of the preferred embodiments of the present application is not intended to be limiting, but is intended to cover any and all modifications, equivalents, and alternatives falling within the spirit and principles of the present application.

Claims (10)

1. A fieldbus module comprising:

a sub-module, the sub-module having a communication interface terminal thereon;

the base plate is provided with a plurality of plug terminals for respectively mounting the sub-modules, and the plug terminals are orderly arranged on the base plate along the length direction of the base plate;

the chassis comprises a bottom plate and baffle plates arranged at two ends of the bottom plate, the length of the bottom plate is not less than that of the base plate, and the base plate is arranged on the bottom plate; the baffle is detachably connected with the end part of the bottom plate.

2. The fieldbus module of claim 1 wherein: the bottom plate is provided with convex rails which are arranged in a convex manner, and the convex rails are arranged on the bottom plate along the length direction of the bottom plate; the convex rail is provided with a plurality of first mounting holes, and the plurality of first mounting holes are orderly arranged on the convex rail along the length direction of the convex rail; the substrate is provided with a plurality of first fixing holes, and the first fixing holes are in one-to-one correspondence with the first mounting holes.

3. The fieldbus module of claim 2 wherein: the field bus module further comprises a clamping piece, a stud is arranged on the clamping piece, and the clamping piece is arranged at the bottom of the bottom plate; the first mounting holes on the convex rail penetrate through the bottom plate, and the studs sequentially penetrate through the first mounting holes and the first fixing holes on the substrate.

4. A fieldbus module as claimed in claim 3, in which: the bottom of the bottom plate is provided with a groove corresponding to the convex rail in position, and the buckle piece is embedded in the groove.

5. The fieldbus module of claim 1 wherein: the two sides of the bottom plate are provided with surrounding edges, and the two sides of the sub-module are connected with the surrounding edges in an installation mode.

6. The fieldbus module of claim 5 wherein: the heights of the surrounding edges on the two sides of the bottom plate, which extend upwards, are different, and the edges on the two sides of the baffle are connected with the surrounding edges in a mounting manner.

7. The fieldbus module of claim 1 wherein: the baffle is provided with an inserting block used for being connected with the end part of the bottom plate, and two ends of the bottom plate are respectively provided with an inserting hole which is inserted with the inserting block.

8. The fieldbus module of claim 1 wherein: the submodule comprises a shell and an electric control board accommodated in the shell, wherein one end of the electric control board is provided with the communication interface terminal, the other end of the electric control board is provided with a mounting terminal, the communication interface terminal is exposed out of the shell, and the mounting terminal is spliced with a splicing terminal on the substrate.

9. The fieldbus module of claim 8 wherein: the shell comprises an upper end panel and side plates respectively connected to at least three sides of the upper end panel, one of the side plates on the three sides is a first side plate, the plate surface area of the first side plate is not smaller than that of the electric control plate, and the plate surface of the electric control plate is propped against the first side plate; the upper end panel is provided with an opening matched with the communication interface terminal in shape, and the communication interface terminal is exposed out of the shell from the opening.

10. The fieldbus module of claim 9 wherein: the two sides of the bottom plate are provided with surrounding edges with different heights; among the three side plates, the side plates positioned at the two sides of the first side plate are second side plates, and the lengths of the second side plates at the two sides are in high complementary fit with the surrounding edges at the two sides of the bottom plate; the periphery is provided with a second mounting hole, and the extending end of the side plate is provided with a second fixing hole corresponding to the second mounting hole in position.