Controller for looms with shielding mechanism

Abstract

The utility model discloses a controller for loom with shielding mechanism relates to PLC controller technical field. The controller main part includes the casing and PLC module, and the casing is made of cold rolled steel sheet material, and the shielding mechanism includes shielding plate and shielding cover, and the shielding plate has a plurality of, and the shielding plate sets up respectively in a plurality of faces of casing, and a part of PLC module installs on the shielding plate, and the casing still is equipped with the vertical bearing plate of setting, and the shielding cover covers and sets on the control panel, the shielding effect of the whole PLC controller is improved to the casing made of cold rolled steel sheet, and the first shielding plate for installing control panel is set up in the casing, and the electromagnetic shielding effect of control panel position is improved greatly in combination shielding cover, reduces the external electromagnetic interference of control panel, the second shielding plate and third shielding plate set up respectively in the side and top of casing, be used for improving the local electromagnetic shielding effect of casing, and the third shielding plate is copper screen layer, is favorable to the heat dissipation effect of PLC controller.

Description

Technical Field

[0001] This utility model relates to the field of PLC controller technology, and more specifically, it relates to a controller for a loom with a shielding mechanism. Background Technology

[0002] PLCs (Programmable Logic Controllers) are a new generation of industrial control devices that incorporate automatic control and communication technologies. They can control various types of mechanical equipment or production processes through digital or analog inputs and outputs, helping enterprises achieve automated production. They are also widely used in the textile industry for the automated control of looms. Existing PLC controllers are generally used as integrated devices, including a housing and various modules installed inside the housing. As a control and communication device, the communication stability and anti-interference performance of the PLC controller are important indicators. Existing PLC controllers generally have a shielding layer on the surface of their housing, but the shielding effect is not ideal. Based on this, a PLC controller with better shielding effect is proposed. Utility Model Content

[0003] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a controller for a loom with a shielding mechanism. By setting multiple shielding plates and shielding covers, the shielding effect of the PLC controller is greatly improved, and the technical problem of unsatisfactory shielding effect is solved.

[0004] The above-mentioned technical objective of this utility model is achieved through the following technical solution: a controller for a loom with a shielding mechanism, comprising a controller body, the shielding mechanism being fixed on the controller body, the controller body comprising a housing and a PLC module installed inside the housing, the housing being made of cold-rolled steel plate, the shielding mechanism being installed on the housing, the shielding mechanism comprising a shielding plate and a shielding cover, the shielding plate comprising multiple shielding plates, the multiple shielding plates being respectively disposed on multiple surfaces of the housing, at least a portion of the PLC module being mounted on one of the shielding plates, the housing also comprising a vertically arranged support plate, the support plate having several mounting slots, and the shielding cover covering at least a portion of the PLC module.

[0005] The present invention is further configured such that: the multiple shielding plates are a first shielding plate, a second shielding plate, and a third shielding plate, the first shielding plate and the second shielding plate are both disposed inside the housing, the first shielding plate is disposed on the upper part of the housing and one end is fixed to the support plate, the end of the first shielding plate facing away from the support plate is snapped into the side plate of the housing, and its top is snapped into the top plate of the housing, the second shielding plate is vertically disposed on one side of the support plate and is detachably connected to one side of the housing, and the lower part of the second shielding plate abuts against the bottom plate of the housing.

[0006] The present invention is further configured such that: the third shielding plate is disposed on the top of the housing, the third shielding plate includes a frame and a copper mesh layer, the copper mesh layer is fixed inside the frame, and a through window is opened on the upper surface of the top plate of the housing, and the third shielding plate is fixed inside the window.

[0007] The present invention is further configured such that: the second shielding plate includes a connecting plate and multiple aluminum plates, the connecting plate has multiple receiving openings, the aluminum plates are embedded in the receiving openings, the aluminum plates correspond one-to-one with the receiving openings, and adjacent aluminum plates are spaced apart, and the connecting plate is made of either plastic plate or cold-rolled steel plate.

[0008] The present invention is further configured such that: the PLC module has a control board, which is provided with a processing unit, a communication unit, and an input / output unit; the control board is mounted on the first shielding plate; the shielding cover is placed above the control board and is detachably connected to the first shielding plate; the shielding cover has multiple wire holes; and the shielding cover is made of cold-rolled steel plate.

[0009] The present invention is further configured such that: the first shielding plate is made of cold-rolled steel plate, the first shielding plate is connected to the bearing plate by bolts, the housing is also provided with a communication interface, the communication interface is electrically connected to the control board, and a number of heat dissipation holes are opened on the housing on one side of the communication interface.

[0010] The present invention is further configured such that: the PLC module also includes a power supply, the power supply is used to provide power to the control board, the power supply is disposed on the bottom plate inside the housing, and the power supply has a power interface for connecting to mains power.

[0011] In summary, this utility model has the following beneficial effects: the housing made of cold-rolled steel plate improves the overall shielding effect of the PLC controller, and the first shielding plate set inside the housing is used to install the control board. Combined with the shielding cover, it greatly improves the electromagnetic shielding effect of the control board position and reduces the control board from external electromagnetic interference; the second and third shielding plates are respectively set on the side and top surfaces of the housing to improve the local electromagnetic shielding effect of the housing, and the third shielding plate is a copper mesh layer, which is beneficial to the heat dissipation effect of the PLC controller. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the main structure of the controller of this utility model; Figure 2 This is a schematic diagram of the shielding cover structure of this utility model.

[0013] In the diagram: 1. Controller body; 2. Housing; 3. First shielding plate; 4. Second shielding plate; 41. Connecting plate; 42. Aluminum plate; 5. Third shielding plate; 6. Control board; 7. Bearing plate; 8. Shielding cover; 9. Communication interface; 10. Heat dissipation holes; 11. Power supply. Detailed Implementation

[0014] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0015] like Figure 1 , Figure 2 As shown, this utility model discloses a controller for a loom with a shielding mechanism, comprising a controller body 1, with the shielding mechanism disposed on the controller body 1. The controller body 1 includes a housing 2 and a PLC module installed inside the housing 2. The shielding mechanism includes shielding plates and shielding covers 8, wherein the shielding plates comprise multiple pieces. Specifically, the housing 2 is rectangular and includes six sides, namely a front panel, a back panel, a left side panel, a right side panel, a top panel, and a bottom panel. The PLC module is existing technology and mainly comprises a control board 6, a processing unit, a memory, an input / output unit, a communication unit, and a power supply 11. The processing unit, memory, input / output unit, and communication unit are all installed on the control board 6, which is installed on one of the shielding plates. The housing 2 is made of cold-rolled steel plate, which has a good shielding effect. The housing 2, combined with the shielding mechanism, greatly improves the electromagnetic shielding effect of the PLC controller and enhances its anti-interference performance.

[0016] like Figure 1 , Figure 2As shown, the shielding plate includes a first shielding plate 3, a second shielding plate 4, and a third shielding plate 5. The first shielding plate 3 and the second shielding plate 4 are disposed inside the housing 2, and the third shielding plate 5 is disposed on the top plate of the housing 2. Two vertically spaced and parallel support plates 7 are also disposed inside the housing 2. When the first shielding plate 3 is installed, its top abuts against the lower end face of the top plate, its left side is bolted to the support plate 7, and its right side is snapped into the inner wall of the right side plate, so that the first shielding plate 3 is located on the upper side inside the housing 2. The control plate 6 is installed on the side of the first shielding plate 3 facing the front panel. A shielding cover 8 is placed over the outside of the control plate 6 and is detachably connected to the first shielding plate 3. The cooperation between the first shielding plate 3 and the shielding cover 8 greatly improves the electromagnetic shielding effect of the control plate 6. The control board 6 has improved its anti-interference capability. The second shielding plate 4 is installed on the inner wall of the left side plate. The second shielding plate 4 is composed of a connecting plate 41 made of cold-rolled steel plate and an aluminum plate 42. The connecting plate 41 has multiple receiving holes for installing the aluminum plate 42. The setting of the second shielding plate 4 improves the local shielding effect of the shell 2. The third shielding plate 5 is installed on the top plate. The third shielding plate 5 is composed of a frame and a copper mesh layer. The frame is rectangular. The copper mesh layer is fixedly connected to the frame. A through window is opened on the top plate. The third shielding plate 5 is embedded in the window and fastened with bolts. The third shielding plate 5 has a mesh structure. The copper mesh has a good electromagnetic shielding effect. The third shielding plate 5 made of copper mesh can also improve the heat dissipation effect on the basis of good shielding effect.

[0017] like Figure 1 As shown, the first shielding plate 3 is made of cold-rolled steel plate. A communication interface 9 is also provided on the housing 2. The communication interface 9 extends from the housing 2 and is electrically connected to the control board 6 at the other end. Several heat dissipation holes 10 are also opened on the housing 2 on one side of the communication interface 9 to improve the heat dissipation effect. The power supply 11 is set on the bottom plate inside the housing 2 to provide power to the control board 6 and external mains power. The housing 2 made of cold-rolled steel plate improves the overall shielding effect of the PLC controller. At the same time, the first shielding plate 3 set inside the housing 2 is used to install the control board 6. Combined with the shielding cover 8, it greatly improves the electromagnetic shielding effect of the control board 6 and reduces the control board 6 from external electromagnetic interference. The second shielding plate 4 and the third shielding plate 5 are respectively set on the side and top of the housing 2 to improve the local electromagnetic shielding effect of the housing 2. The third shielding plate 5 is a copper mesh layer, which is beneficial to the heat dissipation effect of the PLC controller.

[0018] The above description is merely a preferred embodiment of this utility model. The protection scope of this utility model is not limited to the above embodiments. All technical solutions falling within the scope of this utility model's concept are protected. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principle of this utility model should also be considered within the protection scope of this utility model.

Claims

1. A controller for a loom with a shielding mechanism, comprising a controller body (1), wherein the shielding mechanism is fixed to the controller body (1), characterized in that: The controller body (1) includes a housing (2) and a PLC module installed inside the housing (2). The housing (2) is made of cold-rolled steel plate. The shielding mechanism is installed on the housing (2). The shielding mechanism includes a shielding plate and a shielding cover (8). There are multiple shielding plates, which are respectively arranged on multiple sides of the housing (2). At least a part of the PLC module is installed on one of the shielding plates. The housing (2) is also provided with a vertically arranged support plate (7). The support plate (7) has several mounting slots. The shielding cover (8) covers at least a part of the PLC module.

2. A controller for a loom with a shielding mechanism according to claim 1, characterized in that: The multiple shielding plates are a first shielding plate (3), a second shielding plate (4), and a third shielding plate (5). The first shielding plate (3) and the second shielding plate (4) are both disposed inside the housing (2). The first shielding plate (3) is disposed on the upper part of the housing (2) and one end is fixed on the support plate (7). The end of the first shielding plate (3) facing away from the support plate (7) is engaged with the side plate of the housing (2), and its top is engaged with the top plate of the housing (2). The second shielding plate (4) is vertically disposed on one side of the support plate (7) and is detachably connected to one side of the housing (2). The lower part of the second shielding plate (4) abuts against the bottom plate of the housing (2).

3. A controller for a loom with a shielding mechanism according to claim 2, characterized in that: The third shielding plate (5) is set on the top of the housing (2). The third shielding plate (5) includes a frame and a copper mesh layer. The copper mesh layer is fixed inside the frame. A through window is opened on the upper surface of the top plate of the housing (2). The third shielding plate (5) is fixed inside the window.

4. A controller for a loom with a shielding mechanism according to claim 3, characterized in that: The second shielding plate (4) includes a connecting plate (41) and multiple aluminum plates (42). The connecting plate (41) has multiple receiving openings, and the aluminum plates (42) are embedded in the receiving openings. The aluminum plates (42) correspond one-to-one with the receiving openings, and adjacent aluminum plates (42) are spaced apart. The connecting plate (41) is made of either plastic or cold-rolled steel.

5. A controller for a loom with a shielding mechanism according to claim 4, characterized in that: The PLC module has a control board (6), which is equipped with a processing unit, a communication unit, and an input / output unit. The control board (6) is mounted on the first shielding plate (3). The shielding cover (8) is placed above the control board (6) and is detachably connected to the first shielding plate (3). The shielding cover (8) has multiple wire holes and is made of cold-rolled steel plate.

6. A controller for a loom with a shielding mechanism according to claim 5, characterized in that: The first shielding plate (3) is made of cold-rolled steel plate. The first shielding plate (3) is connected to the bearing plate (7) by bolts. The housing (2) is also provided with a communication interface (9). The communication interface (9) is electrically connected to the control board (6). Several heat dissipation holes (10) are opened on the housing (2) on one side of the communication interface (9).

7. A controller for a loom with a shielding mechanism according to claim 6, characterized in that: The PLC module also includes a power supply (11) for providing power to the control board (6). The power supply (11) is located on the bottom plate inside the housing (2) and has a power supply (11) interface for connecting to mains power.

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