CN210351913U - Controller module with high protection level and good electromagnetic compatibility - Google Patents

Abstract

The utility model provides a high protection level and controller module that has good electromagnetic compatibility ability. The problems of low protection level and poor electromagnetic compatibility of the programmable logic controller module are mainly solved. The controller module shell is designed into a box-type assembled structure, each controller module is a standard independent unit and can be combined and expanded, a wiring bottom plate is arranged on the inner side of a box body of the controller module shell, a functional circuit board is arranged on the inner side of a box cover of the shell, and the wiring bottom plate and the functional circuit board are connected by adopting an inter-board connector; the wiring baseplates of adjacent controller modules are connected by flat cables; and after the external cable passes through the module cable joint, the external cable is connected into the wiring terminal of the wiring bottom plate. The series controller adopting the structure has better electromagnetic compatibility; after the controller modules pass the environment and electromagnetic compatibility tests, the system built by the modules does not need to repeat the environment and electromagnetic compatibility tests, and a large amount of system manufacturing and testing cost can be saved for users.

Description

Controller module with high protection level and good electromagnetic compatibility

Technical Field

The invention relates to a controller module with high protection level and good electromagnetic compatibility, which belongs to the field of electrical accessory equipment and is mainly used in the fields of military industry, nuclear power and other fields with strict requirements on electromagnetic compatibility and protection performance.

Background

The current Programmable Logic Controller (PLC) module generally adopts a plastic shell with low protection level, has no waterproof and dustproof capability, has poor electromagnetic compatibility, cannot be used in the air in a naked way, and needs to be installed in a control box or a control cabinet, thereby increasing the design and manufacturing cost of the system. For military industry, nuclear power and other fields with strict requirements on electromagnetic compatibility and protective performance, even if the contents are the same and the configuration and structure forms are different, electromagnetic compatibility and environmental tests are required, so that a large amount of test cost is increased.

Disclosure of Invention

The invention aims to solve the problems in the prior art, and further provides a controller module with high protection level and good electromagnetic compatibility.

The purpose of the invention is realized by the following technical scheme:

a controller module with high protection level and good electromagnetic compatibility is provided, each controller module is a standard independent unit and can be combined and expanded. The controller module comprises a box body, a box cover, a functional circuit board and a wiring bottom plate, wherein the box body and the box cover are fixedly connected through screws, and a sealing ring is arranged between the box body and the box cover for sealing; the functional circuit board is arranged on the inner side of the box cover, the wiring bottom plate is arranged on the inner side of the box body, and the wiring bottom plate and the functional circuit board are connected by an inter-board connector; the wiring baseplates of adjacent controller modules are connected through a flat cable and a flat cable connector; and the external cable is connected to the wiring terminal on the wiring bottom plate after passing through the cable joint or the electric connector.

Furthermore, the cable inlet and outlet of the controller module adopt standard interfaces with upper and lower outgoing lines, and use standard cable connectors or electric connectors. Furthermore, the left and the right of the wiring bottom plate of the controller module are respectively provided with a flat cable connector connected with the adjacent module, and the flat cable penetrates through the through hole to be electrically connected with the adjacent module.

Furthermore, both sides of each independent controller module adopt spigot-and-socket structures, and a sealing gasket is arranged at the interface; the quick and accurate butt joint and sealing of two adjacent module units can be realized; when two adjacent controller module combinations and the controller modules are assembled and installed with the end plates, a buckle type installation structure is adopted, the connecting clamping blocks are pushed into the module buckles, and the two controller modules or the controller modules and the end plates are clamped quickly.

Furthermore, a clamping groove is arranged between the wiring bottom plate and the box body for guiding and positioning, and the wiring bottom plate and the box body are fastened and installed through screws; a clamping groove is also arranged between the functional circuit board and the box cover for guiding and positioning, and the functional circuit board and the box cover are fastened and installed through screws; the box cover and the box body are positioned by adopting the seam allowance and the bayonet, and the corresponding limiting bulge on the box body corresponding to the bayonet on the box cover ensures the high-precision positioning butt joint of the box cover and the box body.

Furthermore, the controller module adopts a rubber vibration reduction foot support which is arranged outside the controller module, and the foot support is a steel skeleton rubber component and adopts a plug-in quick-mounting mode.

The invention has the beneficial effects that: by adopting the technical scheme of the invention, the controller module realizes standardized, combinative and generalized design, can change the field maintenance work of equipment into purely mechanical disassembly and assembly work, and greatly reduces the maintenance cost.

Drawings

FIG. 1a is a bottom cut-away block diagram of the controller module unit structure of the present invention.

FIG. 1b is a side cut-away block diagram of the controller module unit structure of the present invention.

Fig. 2 is a schematic diagram of the bus connection between adjacent controller modules according to the present invention.

FIG. 3a is a front view of the controller module assembly according to the present invention.

FIG. 3b is a side view of the controller module edge termination board mounting of the present invention.

Fig. 4a is a front view of the cover portion structure of the controller module of the present invention.

Fig. 4b is a side cut-away block diagram of the cover portion of the controller module of the present invention.

FIG. 5a is a front view of a cartridge portion of the controller module of the present invention.

Fig. 5b is a side view structural diagram of a box body part structure of the controller module of the invention.

FIG. 6a is a schematic diagram of a step A of locking the fasteners between adjacent controller modules according to the present invention.

FIG. 6B is a schematic diagram of step B of locking the buckles between adjacent controller modules according to the present invention.

FIG. 6C is a schematic view of a step C of locking the latches between adjacent controller modules according to the present invention.

Fig. 6d is a schematic structural diagram of the front side of the snap lock between adjacent controller modules according to the present invention.

FIG. 7a is a schematic diagram of a step A of unlocking a buckle between adjacent controller modules according to the present invention.

FIG. 7B is a schematic diagram of a step B of unlocking the buckle between adjacent controller modules according to the present invention.

FIG. 7C is a schematic diagram of a step C of unlocking the buckle between adjacent controller modules according to the present invention.

Fig. 8 is a schematic view illustrating the installation between the controller module foot bracket and the connecting fixture block according to the present invention.

Detailed Description

The invention will be described in further detail below with reference to the accompanying drawings: the present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation is given, but the scope of the present invention is not limited to the following embodiments.

As shown in fig. 1a, fig. 1b, and fig. 2, in the controller module with high protection level and good electromagnetic compatibility according to this embodiment, a housing of the controller module is designed to be a box-type assembly structure, each controller module is a standard independent unit and can be combined and expanded, and the controller module includes a box body 2, a box cover 3, a functional circuit board 4, and a connection base plate 7; the box cover 3 and the box body 2 are fixedly connected through 4 screws, a sealing ring 1 is arranged between the box cover 3 and the box body 2 for sealing, a functional circuit board 4 is arranged on the inner side of the box cover 3, a wiring bottom plate 7 is arranged on the inner side of the box body 2, the functional circuit board 4 is fixed with the box cover 3, the wiring bottom plate 7 is fixed with the box body 2 through screws, and the wiring bottom plate 7 is connected with the functional circuit board 4 through an inter-plate connector 5; the wiring bottom plates 7 of the adjacent controller modules are connected with a bus bar connector 8 through a bus bar 9; after passing through the cable connector 10 or the electrical connector, the external cable is connected to the terminal 6 on the terminal base plate 7.

As an embodiment of the present invention, as shown in fig. 1a, fig. 1b, and fig. 2, the cable inlet and outlet of the controller module adopts a standard interface with upper and lower outgoing lines, the wiring bottom plate of the controller module unit has wiring terminals 6 at both upper and lower ends, and the external cable is connected to the wiring terminals 6 at the upper and lower ends respectively through a cable connector 10 or an electrical connector, so as to realize the external input and output functions of the module unit. The interface is typically configured with 2, 4 or 8 interfaces, using standard cable connectors or electrical connectors.

As an embodiment of the present invention, as shown in fig. 1a, 1b and 2, the wiring substrate 7 of the controller module has a flat cable connector 8 connected to the adjacent module on each of the left and right sides, and the flat cable 9 is electrically connected to the adjacent module through the through hole, so that the adjacent modules are electrically connected to each other in a through structure.

As an embodiment of the present invention, as shown in fig. 3a and 3b, two sides of each independent controller module adopt a spigot-and-socket structure, and a sealing gasket 301 is installed at the interface, so that two adjacent module units can be quickly and accurately butted, reliably sealed, and realize high-level protection; the invention also designs an optional end plate 302 plugging component, when the controller module is positioned at one end of the combined assembly sequence, the side surface of the module can be plugged, a spigot-and-socket structure is also adopted between the end plate 302 and the controller module, and the rubber pad is sealed, so that the rapid, accurate butt joint, reliable sealing and high-level protection can be realized; when two adjacent controller module assemblies and the controller modules are assembled and mounted with the end plate 302, a buckle type structure is adopted as the position F of fig. 6a, and the connecting clamping block 11 is pushed into the buckle of the controller module rightwards according to the sequence of the steps A, B and C shown in fig. 6a, 6B and 6C, after the clamping block is pushed to the right position, the buckle expands, the clamping block is locked, and the rapid clamping between the two controller modules or between the controller modules and the end plate 302 is completed; when two adjacent modules need to be detached, the connecting clamping blocks can be detached and the modules can be separated by only using the screw handle to clip the clamping blocks according to the sequence of the step A, the step B and the step C shown in the figure 7a, the figure 7B and the figure 7C.

As an embodiment of the present invention, in order to realize quick maintenance and replacement of the wiring backplane 7 and the functional circuit board 4, 4 slots are provided between the wiring backplane 7 and the box body 2 at a position D as shown in fig. 5a for guiding and positioning, and are fastened and mounted by screws to realize high-precision positioning; 4 clamping grooves are arranged between the functional circuit board 4 and the box cover 3 at the position B shown in figure 4a for guiding and positioning, and are fastened and installed through screws, so that high-precision positioning is realized; 4 rabbets and bayonets are adopted between the box cover 3 and the box body 2 for positioning at the A position and the C position shown in the 4b and shown in the figure 4 a; 4 limiting bulges at the E position shown by 5a corresponding to 4 bayonets on the box body 2 corresponding to 4 bayonets on the box cover 3 at the A position shown in figure 4a ensure that the box cover 3 is butted with the box body 2 in a high-precision positioning manner, and the connectors between boards are connected quickly, accurately and reliably by the high-precision positioning manner.

As an embodiment of the present invention, the controller module with high protection level and better electromagnetic compatibility adopts a rubber vibration damping foot support 12, which is arranged outside the controller module, the foot support 12 is a steel skeleton rubber member, as shown in a position G in fig. 8, and adopts a plug-in quick-mounting manner, and the foot support 12 is directly inserted into the connecting fixture block 11, so as to complete the assembly of the foot support, which is convenient and fast, and realizes the vibration damping function.

The above description is only a preferred embodiment of the present invention, and these embodiments are based on different implementations of the present invention, and the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (6)

1. A high protection level and controller module with good electromagnetic compatibility, each controller module is a standard independent unit and can be combined and expanded, and the controller module comprises a box body (2), a box cover (3), a functional circuit board (4) and a wiring bottom plate (7), and is characterized in that the box cover (3) is fixedly connected with the box body (2) through screws, a sealing ring (1) is arranged between the box cover (3) and the box body (2) for sealing, the functional circuit board (4) is arranged on the inner side of the box cover (3), the wiring bottom plate (7) is arranged on the inner side of the box body (2), and the wiring bottom plate (7) is connected with the functional circuit board (4) through an inter-board connector (5); the wiring bottom plates (7) of the adjacent controller modules are connected with a flat cable connector (8) through a flat cable (9); after passing through the cable joint (10), the external cable is connected to the wiring terminal (6) on the wiring bottom plate (7).

2. The high protection level and good electromagnetic compatibility controller module according to claim 1, characterized in that the controller module cable inlet and outlet adopts standard interface with upper and lower outlet wires, using standard cable connector (10).

3. The controller module with high protection grade and good electromagnetic compatibility according to claim 1, characterized in that the wiring bottom plate (7) of the controller module is provided with a flat cable connector (8) connected with the adjacent module at the left and right, and the flat cable (9) is electrically connected with the adjacent module through the through hole.

4. The controller module with high protection grade and good electromagnetic compatibility according to claim 1, characterized in that, the two sides of each independent controller module are of spigot-and-socket structure, and a sealing gasket (301) is installed at the interface, so that the quick and accurate butt joint and sealing of two adjacent module units can be realized; when two adjacent controller modules are combined and the controller modules and the end plate (302) are combined and installed, a buckle type installation structure is adopted, and the two controller modules or the controller modules and the end plate (302) are quickly clamped through the connecting clamping block (11).

5. The controller module with high protection grade and good electromagnetic compatibility according to claim 1, characterized in that a clamping groove is arranged between the wiring bottom plate (7) and the box body (2) for guiding and positioning, and is fastened and installed through screws, a clamping groove is also arranged between the functional circuit board (4) and the box cover (3) for guiding and positioning, and is fastened and installed through screws, a spigot and a bayonet are adopted between the box cover (3) and the box body (2) for positioning, and the bayonet on the box cover (3) corresponds to a corresponding limiting bulge on the box body (2), so as to ensure high-precision positioning and butt joint of the box cover (3) and the box body (2).

6. The high protection class and good electromagnetic compatibility controller module of claim 1, wherein said controller module employs a rubber shock absorbing foot support (12) disposed outside the controller module, the foot support being a steel skeleton rubber member in a plug-in quick-mount form.

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