CN218998509U

CN218998509U - PLC controller

Info

Publication number: CN218998509U
Application number: CN202223200927.9U
Authority: CN
Inventors: 董连明; 鲍人洪; 陈星雄
Original assignee: Zhejiang Dovol Electric Technology Co ltd
Current assignee: Zhejiang Dovol Electric Technology Co ltd
Priority date: 2022-11-29
Filing date: 2022-11-29
Publication date: 2023-05-09
Anticipated expiration: 2032-11-29

Abstract

The application relates to a PLC controller, which comprises a shell and a circuit board arranged in the shell, wherein one end of the shell is provided with an embedded port, the other end of the shell is provided with a through port, one end of the circuit board is connected with an expansion interface needle, and the expansion interface needle is opposite to the embedded port; the other end of the circuit board is connected with an expansion interface port, and the expansion interface port is opposite to the through port; the expansion interface needle of one PLC controller is used for connecting with the expansion interface port of the other PLC controller. A user can connect two or more PLC controllers according to own requirements in the use process so as to expand the number of input ports and output ports; in the production process, the types of controllers are reduced so as to reduce the types of parts, and the production and storage are convenient.

Description

PLC controller

Technical Field

The present application relates to the field of control devices, and in particular, to a PLC controller.

Background

The PLC controller is a digital electronic device with a microprocessor, and mainly comprises an internal CPU, an instruction and data storage module, an input and output module, a power module and the like. The system program of the PLC is initialized before leaving the factory, and a user can edit the corresponding user program according to the needs of the user to meet different automatic production requirements.

The prior patent with publication number of CN204259296U discloses a controller, which comprises a base and a shell, wherein the base and the shell are internally provided with power supply elements (CPU, memory module and the like), the shell is provided with a through port, an interface terminal is arranged at the through port, and the interface terminal is electrically connected with the electric elements to realize the input and output of signals.

In one controller, the number of interface terminals is limited, so that various controllers need to be designed and developed in the face of different user differentiation requirements. The parts required for production are different among different controllers, so that inconvenience exists in production, storage and the like.

Disclosure of Invention

In order to facilitate production and storage, the application provides a PLC controller.

The application provides a PLC controller adopts following technical scheme:

the PLC comprises a shell and a circuit board arranged in the shell, wherein one end of the shell is provided with an embedded port, the other end of the shell is provided with a through port, one end of the circuit board is connected with an expansion interface needle, and the expansion interface needle is opposite to the embedded port; the other end of the circuit board is connected with an expansion interface port, and the expansion interface port is opposite to the through port;

the expansion interface needle of one PLC controller is used for connecting with the expansion interface port of the other PLC controller.

By adopting the technical scheme, a user can connect two or more PLC controllers according to own requirements in the using process so as to expand the number of input ports and output ports; in the production process, the types of controllers are reduced so as to reduce the types of parts, and the production and storage are convenient.

Preferably, the projection of the embedded opening on the surface of the other end of the shell coincides with the through opening.

By adopting the technical scheme, under the condition that two adjacent PLC controllers are connected, the peripheries of the two PLC controllers are flush, so that two or even a plurality of connected PLC controllers can be arranged, installed and laid out conveniently.

Preferably, one end of the shell is provided with a positioning hole, and the other end of the shell is provided with a positioning pin;

the positioning hole of one PLC controller is used for embedding the positioning pin of the other PLC controller;

under the condition that the locating pin of the other PLC controller is embedded into the locating hole of the one PLC controller, the expansion interface pin of the one PLC controller is connected with the expansion interface port of the other PLC controller.

By adopting the technical scheme, in the process of connecting the two PLC controllers, the interface needle is conveniently expanded to accurately connect the expansion interface port based on the mutual matching of the positioning pin and the positioning hole; and further realize the data interaction between two PLC controllers.

Preferably, one end of the shell is provided with a positioning groove, and the other end of the shell is provided with a positioning block;

the positioning groove of one PLC controller is used for embedding the positioning block of the other PLC controller;

under the condition that the positioning block of the other PLC controller is embedded into the positioning groove of the one PLC controller, the expansion interface pin of the one PLC controller is connected with the expansion interface port of the other PLC controller.

By adopting the technical scheme, in the process of connecting the two PLC controllers, the interface needle is conveniently and accurately connected with the expansion interface port based on the mutual matching of the positioning block and the positioning groove; and further realize the data interaction between two PLC controllers.

Preferably, a clamping groove is formed in the groove wall of the positioning groove, and the positioning block is connected with a clamping block;

the clamping groove of one PLC controller is used for embedding the clamping block of the other PLC controller.

By adopting the technical scheme, under the condition that two adjacent PLC controllers are connected, the clamping blocks and the clamping groove walls are mutually matched, so that mutual separation between the two PLC controllers is prevented, and the stability of connection between an expansion interface needle and an expansion interface port is improved.

Preferably, the clamping block is positioned on the surface of the positioning block, which is away from the center of the shell.

By adopting the technical scheme, the clamping groove is beneficial to being far away from the circuit board, and the influence on the circuit board is reduced under the condition that the clamping block is embedded into or separated from the clamping groove.

Preferably, a protection area and a heat dissipation area are arranged at the other end of the shell, and heat dissipation holes are formed in the heat dissipation area;

the circuit board is connected with a processing module and a power supply module, the processing module is opposite to the protection area, and the power supply module is opposite to the heat dissipation area.

By adopting the technical scheme, the processing module mainly comprises a CPU and the like so as to realize data processing; the power supply module mainly comprises circuits such as voltage regulation, rectification, filtering and the like. Between the processing module and the power module: the processing module is relatively vulnerable, and the protection area is utilized to provide necessary protection for the processing module.

Preferably, the through hole is located in the protection area.

By adopting the technical scheme, the distance between the expansion interface port and the processing module is shortened as much as possible, and the data transmission efficiency is improved.

In summary, the present application includes at least one of the following beneficial technical effects:

1. a user can connect two or more PLC controllers according to own requirements in the use process so as to expand the number of input ports and output ports; in the production process, the types of controllers are reduced so as to reduce the types of parts, thereby realizing convenient production and storage;

2. in the process of connecting the two PLC controllers, the interface needle is conveniently and accurately connected with the expansion interface port based on the mutual matching of the positioning pin and the positioning hole; thereby realizing the data interaction between the two PLC controllers;

3. the distance between the expansion interface port and the processing module is shortened as much as possible, and the data transmission efficiency is improved.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a PLC controller according to an embodiment of the present application.

Fig. 2 is a schematic diagram of the overall structure of the PLC controller according to the embodiment of the present application, for showing the other end of the housing.

Fig. 3 is a schematic view of a cut-away structure of the housing.

Reference numerals illustrate: 1. a housing; 11. a connection port; 12. a notch is formed; 13. a through port; 14. positioning holes; 15. a positioning groove; 151. a clamping groove; 16. a protection zone; 17. a heat dissipation area; 171. a heat radiation hole; 2. a circuit board; 21. an input/output port; 31. expanding an interface needle; 32. expanding an interface port; 4. a positioning pin; 5. a positioning block; 51. and (5) clamping blocks.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-3.

Referring to fig. 1, an embodiment of the present application discloses a PLC controller including a housing 1 and a wiring board 2 mounted in the housing 1. In this embodiment, the housing 1 has a rectangular parallelepiped shape.

The wiring board 2 is connected with a processing module and a power module. The processing module mainly comprises a CPU, a memory and the like, so as to realize data processing and storage; the power supply module mainly comprises circuits such as voltage regulation, rectification, filtering and the like so as to realize connection with an external power supply and supply power for the processing module.

The housing 1 is provided with a connection port 11. The circuit board 2 is also connected with an input/output port 21, and the input/output port 21 is opposite to the connection port 11 to realize input/output of external signals.

Referring to fig. 1 and 2, one end of the housing 1 is provided with an insert port 12, and the other end of the housing 1 is provided with a through port 13; and the projection of the embedded opening 12 on the other end surface of the shell 1 is overlapped with the through opening 13.

In this embodiment, the fitting ports 12 and the through ports 13 are distributed in the thickness direction of the PLC controller.

One end of the circuit board 2 is connected with an expansion interface needle 31, and the expansion interface needle 31 is opposite to the embedding port 12. The other end of the circuit board 2 is connected with an expansion interface port 32, and the expansion interface port 32 is opposite to the through port 13.

In the case that the input/output port 21 of one PLC controller cannot meet the user's demand, two or more PLC controllers may be connected, and the expansion interface pin 31 of one PLC controller is connected to the expansion interface port 32 of another PLC controller, so as to implement data interaction between two or more PLC controllers and increase the number of input/output ports 21.

Referring to fig. 1 and 2, one end of the housing 1 is provided with a positioning hole 14, and the other end of the housing 1 is provided with a positioning pin 4. And the positioning pin 4 of one PLC controller is used to be inserted into the positioning hole 14 of the other PLC controller. Under the condition that the positioning pin 4 of one PLC controller is embedded into the positioning hole 14 of the other PLC controllers, the through hole 13 of the one PLC controller is opposite to the embedded holes 12 of the other PLC controllers, and the expansion interface pin 31 of the one PLC controller is connected with the expansion interface port 32 of the other PLC controllers.

In the embodiment, four positioning holes 14 are provided, and the four positioning holes 14 are positioned at four corners of one end surface of the housing 1; four positioning pins 4 are correspondingly arranged.

One end of the shell 1 is also provided with a positioning groove 15, and the other end of the shell 1 is also provided with a positioning block 5. The positioning block 5 of one PLC controller is used for being embedded into the positioning groove 15 of the other PLC controller.

When the positioning block 5 is inserted into the positioning groove 15, a gap exists between the surface of the positioning block 5 and the groove wall of the positioning groove 15. That is, in the present embodiment, in the case where two PLC controllers are connected, positioning perpendicular to the thickness direction of the housing 1 is achieved by means of the positioning pin 4 and the positioning hole 14.

Referring to fig. 3, a clamping groove 151 is provided at the groove wall of the positioning groove 15; the positioning block 5 is connected with a clamping block 51. A space exists between the clamping block 51 and the other end surface of the shell 1, and the clamping block 51 is positioned on the surface of the positioning block 5, which is away from the center of the shell 1.

In the embodiment, two positioning blocks 5 are provided, and the two positioning blocks 5 are distributed along the length direction of the casing 1; meanwhile, the clamping block 51 at one positioning block 5 is positioned on the surface of the current positioning block 5, which is away from the other positioning block 5; and, the positioning block 5 and the clamping block 51 are both made of plastic so as to have elasticity.

Referring to fig. 1, the other end of the housing 1 is provided with a protection zone 16 and a heat dissipation zone 17. The guard zone 16 covers the process modules; meanwhile, the through hole 13 is located at the guard area 16. The heat dissipation area 17 is provided with heat dissipation holes 171; and the power module is directly opposite the heat dissipation area 17.

The implementation principle of the PLC controller in the embodiment of the application is as follows: in the case that the input/output port 21 of one PLC controller cannot meet the user's demand, two or more PLC controllers may be connected, and the expansion interface pin 31 of one PLC controller is connected to the expansion interface port 32 of another PLC controller, so as to implement data interaction between two or more PLC controllers and increase the number of input/output ports 21.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The utility model provides a PLC controller, includes shell (1) and installs circuit board (2) in shell (1), its characterized in that: one end of the shell (1) is provided with an embedding opening (12), the other end of the shell (1) is provided with a through opening (13), one end of the circuit board (2) is connected with an expansion interface needle (31), and the expansion interface needle (31) is opposite to the embedding opening (12); the other end of the circuit board (2) is connected with an expansion interface port (32), and the expansion interface port (32) is opposite to the through port (13);

the expansion interface needle (31) of one PLC controller is used for connecting with the expansion interface port (32) of the other PLC controller.

2. The PLC controller of claim 1, wherein: the projection of the embedded opening (12) on the surface of the other end of the shell (1) is overlapped with the through opening (13).

3. The PLC controller of claim 1, wherein: one end of the shell (1) is provided with a positioning hole (14), and the other end of the shell (1) is provided with a positioning pin (4);

the positioning hole (14) of one PLC controller is used for embedding the positioning pin (4) of the other PLC controller;

under the condition that the locating pin (4) of the other PLC controller is embedded into the locating hole (14) of the one PLC controller, the expansion interface pin (31) of the one PLC controller is connected with the expansion interface port (32) of the other PLC controller.

4. The PLC controller of claim 1, wherein: one end of the shell (1) is provided with a positioning groove (15), and the other end of the shell (1) is provided with a positioning block (5);

the positioning groove (15) of one PLC controller is used for embedding the positioning block (5) of the other PLC controller;

under the condition that the positioning block (5) of the other PLC controller is embedded into the positioning groove (15) of the one PLC controller, the expansion interface needle (31) of the one PLC controller is connected with the expansion interface port (32) of the other PLC controller.

5. The PLC controller of claim 4, wherein: a clamping groove (151) is formed in the groove wall of the positioning groove (15), and the positioning block (5) is connected with a clamping block (51);

the clamping groove (151) of one PLC controller is used for embedding the clamping block (51) of the other PLC controller.

6. The PLC controller of claim 5, wherein: the clamping block (51) is positioned on the surface of the positioning block (5) which is away from the center of the shell (1).

7. The PLC controller of claim 1, wherein: the other end of the shell (1) is provided with a protection area (16) and a heat dissipation area (17), and the heat dissipation area (17) is provided with heat dissipation holes (171);

the circuit board (2) is connected with a processing module and a power supply module, the processing module faces the protection area (16), and the power supply module faces the heat dissipation area (17).

8. The PLC controller of claim 7, wherein: the through hole (13) is positioned in the protection area (16).