PLC communication control box

Abstract

The utility model relates to the field of PLC communication control boxes, in particular to a PLC communication control box. The PLC communication control box aims at solving the technical problems that in the prior art, maintenance is not convenient, and meanwhile the protection performance is weak. A PLC communication control box comprises a protective shell, a protective cover, a photovoltaic one-to-two branch line system element, an upper lock catch and a lower lock catch. When the PLC communication control box is used in cooperation with the RSD unit rapidly, the PLC communication control box is a part of a rapid shutdown solution, when the PLC communication control box is powered on, the PLC communication control box sends an operation instruction signal to the RSD unit so as to keep connection and power supply of a photovoltaic module of the RSD unit, in an emergency situation, only the power source of the PLC communication control box needs to be cut off or an emergency stop switch needs to be pressed down, and the RSD unit can be powered on. And meanwhile, the shell can be flexibly opened to replace or overhaul internal parts, and a cooling fan is matched with a cooling window, so that internal air flow is accelerated for cooling, and the situation that the use effect of the PLC communication control box is affected due to the fact that the internal parts are overheated during operation is avoided.

Description

Technical Field

[0001] The utility model relates to the field of PLC communication control boxes, in particular to a PLC communication control box. Background Art

[0002] Existing PLC controllers are all made up of various controller components that are fixedly assembled. With the advancement of technology, the controller components in the PLC controller often need to be updated. Once the existing PLC controller is installed, the replacement and maintenance of the controller components are extremely troublesome; and the outer shell is basically supported by a plastic sheet with weak protection. When impacted, the outer and internal components are easily damaged. Utility Model Content

[0003] In view of the deficiencies of the prior art, the purpose of the present invention is to provide a PLC communication control box, which aims to solve the technical problems of the prior art that the PLC communication control box is difficult to repair and has weak protection.

[0004] The technical solution of the utility model is: a PLC communication control box, comprising a protective shell, a protective cover, a photovoltaic one-out-two branch line system component, an upper locking buckle, a lower locking buckle, a connecting ear, a mounting hole, a heat dissipation window, a reinforced support column group, a protective rubber strip, a heat dissipation fan, a filter, and an emergency stop knob; the upper end of the protective shell is hingedly connected with a protective cover that can be flexibly opened for internal component replacement or maintenance; the inner side of the protective shell is installed with a photovoltaic one-out-two branch line system component for cutting off the power supply of the PLC communication control box or pressing the emergency stop switch to control the rapid shutdown of a single component; symmetrical lower locking buckles are installed at the front end of the protective shell; symmetrical lower locking buckles are installed at the front end of the protective cover; the lower end of the protective shell is fixedly connected with a connecting ear for fixing the PLC communication control box to the outside of the mounting body; heat dissipation windows are provided at both the front and rear ends of the protective shell; the inner side of the protective shell is fixedly connected with a reinforced support column group symmetrically distributed front and back; a heat dissipation fan for accelerating air flow inside for cooling is installed at the right end of the protective shell; and the upper end of the protective cover is installed with an emergency stop knob.

[0005] Preferably, when in use, first install the photovoltaic one-out-of-two branch system components into the protective housing, close the protective cover on the upper end of the protective housing, and lock the upper lock buckle and the lower lock buckle, and then pass the bolts through the mounting holes through the connecting ears at the four corners of the lower end of the protective housing to fix them on the wall or the outside of the equipment. When the internal components are running, turn on the cooling fan and the cooling window to accelerate the air flow inside for cooling, so as to avoid overheating of the internal components and affect the use of the PLC communication control box. When the PLC communication control box is used in conjunction with the RSD quick, it is part of the rapid shutdown solution. When powered on, the PLC communication control box sends a "run command" signal to the RSD unit to keep its photovoltaic module connected and powered. In an emergency, you only need to cut off the power supply of the PLC communication control box or press the emergency stop knob to quickly shut down the single component.

[0006] Preferably, the positions of the upper lock buckles and the lower lock buckles are distributed in one-to-one correspondence; the upper lock buckles and the lower lock buckles are in two groups; the upper lock buckles and the lower lock buckles are snap-connected; this can facilitate the positioning of the protective shell and the protective cover to avoid sudden opening during use.

[0007] Preferably, there are four connecting ears and they are distributed at the four corners of the lower end of the protective shell; the connecting ears adopt a "Z"-shaped structure; an elliptical mounting hole is opened at the upper end of the connecting ears; four connecting ears are used to pass the bolts through the mounting holes and stably fix them on the wall or the outside of the equipment.

[0008] Preferably, the reinforced support column group is fixedly connected with a protective rubber strip for buffering and shock absorption at one end close to the photovoltaic one-out-of-two branch line system components; the reinforced support column group can greatly increase the strength of the protective outer shell, and when encountering a collision, the protective outer shell is not easily damaged. At the same time, the protective rubber strip can also provide shock absorption and buffering for the components that shake due to the impact.

[0009] Preferably, the heat dissipation window adopts a long through groove; the heat dissipation windows are vertically equidistantly distributed: a filter is fixedly connected to the inside of the heat dissipation window; it is convenient for external air to enter the protective shell for heat dissipation, and can filter out dust and debris in the air.

[0010] Preferably, a filter is provided on the outer side of the cooling fan to filter out dust and debris in the air while accelerating the air flow.

[0011] Beneficial effects of the utility model:

[0012] This PLC communication control box is part of the rapid shutdown solution when used in conjunction with the RSD. When powered on, the PLC communication control box sends a "run command" signal to the RSD unit to keep its photovoltaic module connected and powered. In an emergency, you only need to cut off the power supply of the PLC communication control box or press the emergency stop switch to quickly shut down the single component. At the same time, the outer shell can be flexibly opened to replace or overhaul internal components. The cooling fan is combined with the heat dissipation window to accelerate the internal air flow for cooling, avoiding overheating of internal components and affecting the use of the PLC communication control box. By increasing the strength of the outer shell, the protective outer shell is not easily damaged when encountering an impact. At the same time, the protective rubber strips can also provide shock absorption and buffering for components that shake due to impact. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The figure shows a schematic diagram of the disassembled three-dimensional structure of the PLC communication control box of the utility model;

[0014] Figure 2 What is shown is a front perspective structural diagram of the PLC communication control box of the utility model;

[0015] Figure 3 Shown is a schematic diagram of the top view of the protective shell of the PLC communication control box of the utility model.

[0016] Explanation of the accompanying drawings: 1. Protective shell; 2. Protective cover; 3. Photovoltaic one-out-two branch system components; 4. Upper locking buckle; 5. Lower locking buckle; 6. Connecting ear; 7. Mounting hole; 8. Heat dissipation window; 9. Reinforced support column group; 10. Protective rubber strip; 11. Cooling fan; 12. Filter; 13. Emergency stop knob. DETAILED DESCRIPTION

[0017] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0018] See also Figure 1-3The utility model provides an embodiment: a PLC communication control box, comprising a protective shell 1, a protective cover 2, a photovoltaic one-out-two branch line system component 3, an upper lock buckle 4, a lower lock buckle 5, a connecting ear 6, a mounting hole 7, a heat dissipation window 8, a reinforced support column group 9, a protective rubber strip 10, a heat dissipation fan 11, a filter 12, and an emergency stop knob 13; the upper end of the protective shell 1 is hingedly connected with a protective cover 2 that can be flexibly opened for internal component replacement or maintenance; the inner side of the protective shell 1 is installed with a switch for cutting off the power supply of the PLC communication control box or pressing the emergency stop switch to control the rapid shutdown of a single component Photovoltaic one-out-two branch line system component 3; a symmetrical lower lock buckle 5 is installed at the front end of the protective shell 1; a symmetrical lower lock buckle 5 is installed at the front end of the protective cover 2; a connecting ear 6 for fixing the PLC communication control box to the outside of the installation body is fixedly connected to the lower end of the protective shell 1; heat dissipation windows 8 are opened at both ends of the front and rear of the protective shell 1; a reinforced support column group 9 symmetrically distributed front and back is fixedly connected to the inside of the protective shell 1; a heat dissipation fan 11 for accelerating air flow inside to cool down is installed at the right end of the protective shell 1; an emergency stop knob 13 is installed at the upper end of the protective cover 2; a position between the upper lock buckle 4 and the lower lock buckle 5 The upper lock buckle 4 and the lower lock buckle 5 are arranged in two groups; the upper lock buckle 4 and the lower lock buckle 5 are snap-fitted and connected; the protective housing 1 and the protective cover 2 are conveniently positioned to avoid sudden opening during use; the connecting ears 6 are four in number and are distributed at the four corners of the lower end of the protective housing 1; the connecting ears 6 adopt a "Z"-shaped structure; an elliptical mounting hole 7 is provided at the upper end of the connecting ears 6; four connecting ears 6 are used to pass the bolts through the mounting holes 7 to stably fix them on the wall or the outside of the equipment; the strengthening support column group 9 is fixedly connected with a buffer and shock-absorbing anti-vibration device at one end close to the photovoltaic one-out-two branch system component 3. Protective rubber strip 10; Strengthening the support column group 9 can greatly increase the strength of the protective shell 1. When encountering an impact, the protective shell 1 is not easily damaged. At the same time, the protective rubber strip 10 can also shock-absorb the components that shake due to the impact; the heat dissipation window 8 adopts a long through groove; the heat dissipation window 8 is vertically equidistantly distributed: a filter screen 12 is fixedly connected to the inner side of the heat dissipation window 8; it is convenient for external air to enter the protective shell 1 for heat dissipation, and can filter out dust and debris in the air; a filter screen 12 is arranged on the outer side of the heat dissipation fan 11; when accelerating the air flow, dust and debris in the air are filtered out.

[0019] When in use, first install the photovoltaic one-out-of-two branch system component 3 into the protective casing 1, close the protective cover 2 at the upper end of the protective casing 1, and lock the upper lock buckle 4 and the lower lock buckle 5, and then pass the bolts through the mounting holes 7 through the connecting ears 6 at the four corners of the lower end of the protective casing 1 and fix it to the wall or the outside of the equipment.

[0020] When the internal components are running, turn on the cooling fan 11 and the cooling window 8 to accelerate the air flow inside to cool down and avoid overheating of the internal components, which will affect the use of the PLC communication control box. The cooling window 8 and the cooling fan 11 are both provided with a filter 12 on the outer side to filter out dust and debris in the air and prevent dust from entering.

[0021] When used in conjunction with the RSD, the PLC communication control box is part of a rapid shutdown solution. When powered on, the PLC communication control box sends a "run command" signal to the RSD unit to keep its photovoltaic modules connected and powered. In an emergency, simply cut off the power supply of the PLC communication control box or press the emergency stop knob 13 to complete the rapid shutdown of the single component.

[0022] The reinforced support column group 9 can greatly increase the strength of the protective shell 1. When encountering an impact, the protective shell 1 is not easily damaged. At the same time, the protective rubber strip 10 can also shock-absorb and buffer the parts that shake due to the impact.

[0023] Through the above steps, when the PLC communication control box is used in conjunction with the RSD, it is part of the rapid shutdown solution. When powered on, the PLC communication control box sends a "run command" signal to the RSD unit to keep its photovoltaic module connected and powered. In an emergency, only the power supply of the PLC communication control box needs to be cut off or the emergency stop switch needs to be pressed to quickly shut down the single component. At the same time, the outer shell can be flexibly opened to replace or overhaul internal components. The cooling fan 11 is matched with the heat dissipation window 8 to accelerate the internal air flow for cooling, thereby avoiding overheating of internal components and affecting the use effect of the PLC communication control box. By increasing the strength of the outer shell, the protective outer shell 1 is not easily damaged when encountering an impact. At the same time, the protective rubber strip 10 provided can also provide shock absorption and buffering for components that shake due to impact.

[0024] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. A PLC communication control box, comprising a protective housing (1); characterized in that: It also includes a protective cover (2), a photovoltaic one-out-two branch line system component (3), an upper locking buckle (4), a lower locking buckle (5), a connecting ear (6), a mounting hole (7), a heat dissipation window (8), a reinforced support column group (9), a protective rubber strip (10), a heat dissipation fan (11), a filter (12), and an emergency stop knob (13); the upper end of the protective housing (1) is hingedly connected to a protective cover (2) for flexibly opening to replace or overhaul internal components; the inner side of the protective housing (1) is equipped with a photovoltaic one-out-two branch line for cutting off the power supply of the PLC communication control box or pressing the emergency stop switch to control the rapid shutdown of a single component. The protective housing (1) comprises a plurality of linear system components (3); a symmetrical lower locking buckle (5) is installed at the front end of the protective housing (1); a symmetrical lower locking buckle (5) is installed at the front end of the protective cover (2); a connecting ear (6) for fixing the PLC communication control box to the outside of the installation body is fixedly connected to the lower end of the protective housing (1); a heat dissipation window (8) is provided at both the front and rear ends of the protective housing (1); a reinforced support column group (9) symmetrically distributed at the front and rear is fixedly connected to the inner side of the protective housing (1); a heat dissipation fan (11) for accelerating air flow inside to cool down is installed at the right end of the protective housing (1); and an emergency stop knob (13) is installed at the upper end of the protective cover (2).

2. The PLC communication control box according to claim 1, characterized in that: The positions of the upper lock buckles (4) and the lower lock buckles (5) are distributed in a one-to-one correspondence; the number of the upper lock buckles (4) and the lower lock buckles (5) is two groups; and the upper lock buckles (4) and the lower lock buckles (5) are snap-fitted and connected.

3. The PLC communication control box according to claim 1, characterized in that: There are four connecting ears (6) distributed at four corners of the lower end of the protective housing (1); the connecting ears (6) adopt a "Z"-shaped structure; and an elliptical mounting hole (7) is provided at the upper end of each connecting ear (6).

4. The PLC communication control box according to claim 1, characterized in that: A protective rubber strip (10) for buffering and shock absorption is fixedly connected to one end of the reinforced support column group (9) close to the photovoltaic one-out-two branch line system element (3).

5. The PLC communication control box according to claim 1, characterized in that: The heat dissipation windows (8) are formed of long through-grooves; the heat dissipation windows (8) are vertically equidistantly distributed; and a filter screen (12) is fixedly connected to the inner side of the heat dissipation window (8).

6. The PLC communication control box according to claim 1, characterized in that: A filter screen (12) is provided on the outer side of the cooling fan (11).

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