EthertCAT branch equipment

Abstract

The utility model discloses an EthertCAT branch device, which comprises a device body, the device body comprises a shell, a mounting rack, a storage module, an integrated chip and a DC power supply conversion module, the storage module and the integrated chip are both mounted in the shell, the DC power supply conversion module is mounted on the front side of the shell, the front side of the shell is provided with an internet access IN, an internet access OUT I and an internet access OUT II, and the internet access OUT I and the internet access OUT II are connected with the mounting rack. The front side of the shell is provided with a group of indicating lamps which are symmetrically distributed, the DC power supply conversion module is connected with the integrated chip, the integrated chip is connected with the storage module, the integrated chip is connected with the group of indicating lamps through a connecting line, and the integrated chip is respectively connected with a network port IN, a network port OUT I and a network port OUT II through connecting lines. The device adopts a redundant power supply design, a power supply redundancy function can be realized in production line equipment, and when one production line segment is powered down, the equipment can be supplied with power by front and back production line segments, so that the stability of the equipment is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of EthertCAT branch devices, and particularly relates to an EthertCAT branch device. Background Technique

[0002] EtherCAT (Ethernet Control Automation Technology) is an open architecture, Ethernet-based fieldbus system, and the CAT in its name is the abbreviation of the first letter of Control Automation Technology. EtherCAT is a deterministic industrial Ethernet, which was first developed by Beckhoff Company in Germany. Automation generally requires a short data update time (or cycle time) for communication, low communication jitter during data synchronization, and low hardware cost. The purpose of developing EtherCAT is to enable Ethernet to be used in automation applications.

[0003] The existing EthertCAT branch devices have the following defects:

[0004] The EtherCAT bus of the existing EthertCAT branch devices is an Ethernet-based fieldbus system, which uses a full-duplex Ethernet physical layer. Standard EtherCAT slave devices have two network ports, one for input and one for output, forming a chain topology. In increasingly complex automation devices, there are problems such as complex wiring, long wiring, and susceptibility to interference. Therefore, a solution needs to be given. Content of the Utility Model

[0005] (1) Technical Problems to be Solved

[0006] In view of the deficiencies of the prior art, the utility model provides an EthertCAT branch device to solve the problems raised in the above background technique.

[0007] (2) Technical Solutions

[0008] To achieve the above purposes, the utility model is realized through the following technical solutions: An EthertCAT branch device includes a device body, and the device body includes a housing, a mounting rack, a storage module, an integrated chip, and a DC power conversion module. The storage module and the integrated chip are both installed in the housing, the DC power conversion module is installed on the front side of the housing, the front side of the housing is provided with a network port IN, a network port OUT1, and a network port OUT2, a group of symmetrically distributed indicator lights are installed on the front side of the housing, the DC power conversion module is connected to the integrated chip, the integrated chip is connected to the storage module, the integrated chip is connected to a group of indicator lights through a connecting wire, and the integrated chip is respectively connected to the network port IN, the network port OUT1, and the network port OUT2 through a connecting wire.

[0009] Preferably, the mounting bracket includes a side clamping block and a main clamping block. The side clamping block has an L-shaped structure, and the main clamping block has a concave-shaped structure. The side clamping block and the main clamping block are in smooth transition and integrally formed. The side clamping block is located on the right side of the main clamping block.

[0010] Preferably, the outer shell has a rectangular structure. An upper cover plate is installed on the top of the outer shell through a hinge, and a set of fixing screws are symmetrically distributed on the upper cover plate.

[0011] Preferably, the DC power conversion module has a rectangular structure. A number of insertion ports are opened at the front end of the DC power conversion module, and a power supply one and a power supply two are respectively installed in the number of insertion ports.

[0012] (III) Beneficial effects

[0013] The present utility model provides an EthertCAT branch device, which has the following beneficial effects:

[0014] This EthertCAT branch device realizes the EtherCAT slave function in an integrated chip (FPGA), including modules such as the FMMU function, the SM function, and the Ethernet MII function. EtherCAT data enters from the IN port, first emits from OUT one, and after flowing back, emits from OUT two, realizing the EtherCAT branch function. The two-way power supply realizes power supply redundancy backup. This EthertCAT branch device uses FPGA to implement the EtherCAT protocol, which has flexible implementation, the network port function can be arbitrarily defined, and the EtherCAT protocol implemented in all hardware has high efficiency and low latency. It supports the distributed clock function in the EtherCAT protocol. In this EthertCAT branch device, a redundant power supply design is used, which can realize the power supply redundancy function in production line equipment. When a production line segment loses power, the device can be powered by the front and back production line segments, thereby improving the stability of the device. Description of the drawings

[0015] Figure 1 It is a schematic structural diagram of the whole of the present utility model;

[0016] Figure 2 It is a schematic structural diagram of the front side of the whole of the present utility model;

[0017] Figure 3 It is a schematic diagram of the module connection structure of the present utility model.

[0018] In the figure, 1 is the device body; 2 is the outer shell; 3 is the mounting bracket; 4 is the storage module; 5 is the integrated chip; 6 is the DC power conversion module; 7 is the network port IN; 8 is the network port OUT 1; 9 is the network port OUT 2; 10 is the indicator light; 11 is the side clamping block; 12 is the main clamping block; 13 is the upper cover plate; 14 is the fixing screw; 15 is the insertion port; 16 is the power supply 1; 17 is the power supply 2. Detailed implementation mode

[0019] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0020] Please refer to Figures 1-3 , the embodiments of the present invention provide a technical solution: an EthertCAT branch device, including a device body 1, the device body 1 includes an outer shell 2, a mounting bracket 3, a storage module 4, an integrated chip 5, and a DC power conversion module 6. The storage module 4 and the integrated chip 5 are both installed in the outer shell 2. The DC power conversion module 6 is installed on the front side of the outer shell 2. A network port IN 7, a network port OUT 1 8, and a network port OUT 2 9 are provided on the front side of the outer shell 2. A group of indicator lights 10 are symmetrically distributed on the front side of the outer shell 2. The DC power conversion module 6 is connected to the integrated chip 5. The integrated chip 5 is connected to the storage module 4. The integrated chip 5 is connected to a group of indicator lights 10 through a connecting wire. The integrated chip 5 is respectively connected to the network port IN 7, the network port OUT 1 8, and the network port OUT 2 9 through a connecting wire. EtherCAT data enters from the network port IN 7, first emits from the network port OUT 1 8, and after flowing back, emits from the network port OUT 2 9, realizing the EtherCAT branch function.

[0021] Furthermore, the mounting bracket 3 includes a side clamping block 11 and a main clamping block 12. The side clamping block 11 has an L-shaped structure. The main clamping block 12 has a concave-shaped structure. The side clamping block 11 and the main clamping block 12 are in smooth transition and integrally processed. The side clamping block 11 is located on the right side of the main clamping block 12. The mounting bracket 3 can be embedded on the mounting column, so that the side clamping block 11 and the main clamping block 12 can fit the mounting column through the groove, achieving the purpose of overall installation.

[0022] Differently, the outer shell 2 has a rectangular structure. The upper cover plate 13 is installed on the top of the outer shell 2 through a hinge. A set of fixing screws 14 are symmetrically distributed on the upper cover plate 13. The staff removes the fixing screws 14, and then can open the upper cover plate 13 on the outer shell 2.

[0023] Effectively, the DC power conversion module 6 has a rectangular structure. A number of insertion ports 15 are provided at the rear end of the DC power conversion module 6. A power supply one 16 and a power supply two 17 are respectively installed in the number of insertion ports 15. The redundant power supply design is used to realize the redundant power supply function in the production line equipment. When a production line segment loses power, the equipment can be powered by the front and rear production line segments, thereby improving the stability of the equipment.

[0024] Working principle: During operation, EtherCAT data enters from the network port IN7, first emits from the network port OUT one 8, and after flowing back, emits from the network port OUT two 9, realizing the EtherCAT branch function. The device uses a redundant power supply design to realize the redundant power supply function (power supply one 16 and power supply two 17) in the production line equipment. When a production line segment loses power, the equipment can be powered by the front and rear production line segments, thereby improving the stability of the equipment.

[0025] The above shows and describes the basic principles, main features and advantages of the present invention. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present invention. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0026] In addition, it should be understood that although this specification is described according to the embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. An EthertCAT branch device, characterized in that: It includes a device body (1), and the device body (1) includes a housing (2), a mounting rack (3), a storage module (4), an integrated chip (5), and a DC power conversion module (6). The storage module (4) and the integrated chip (5) are both installed inside the housing (2). The DC power conversion module (6) is installed on the front side of the housing (2). A network port IN (7), a network port OUT one (8), and a network port OUT two (9) are provided on the front side of the housing (2). A group of indicator lights (10) distributed symmetrically are installed on the front side of the housing (2). The DC power conversion module (6) is connected to the integrated chip (5). The integrated chip (5) is connected to the storage module (4). The integrated chip (5) is connected to a group of indicator lights (10) through a connecting wire. The integrated chip (5) is respectively connected to the network port IN (7), the network port OUT one (8), and the network port OUT two (9) through a connecting wire.

2. The EthertCAT branch device according to claim 1, wherein: The mounting rack (3) includes a side clamping block (11) and a main clamping block (12). The side clamping block (11) has an L-shaped structure. The main clamping block (12) has a concave-shaped structure. The side clamping block (11) and the main clamping block (12) have a smooth transition and are integrally processed and formed. The side clamping block (11) is located on the right side of the main clamping block (12).

3. The EthertCAT branch device according to claim 1, characterized in that: The housing (2) has a rectangular structure. An upper cover plate (13) is installed on the top of the housing (2) through a hinge. A group of fixing screws (14) distributed symmetrically are installed on the upper cover plate (13).

4. An EthertCAT branch device according to claim 1, characterized in that: The DC power conversion module (6) has a rectangular structure. A number of insertion openings (15) are provided at the front end of the DC power conversion module (6). A power supply one (16) and a power supply two (17) are respectively installed in a number of insertion openings (15).

Images