Energy efficiency management system of non-standard control cabinet based on PLC

Abstract

The utility model belongs to the technical field of control cabinet, concretely relates to a non - standard control cabinet's energy efficiency management system based on PLC, including control cabinet body, the rear side of control cabinet body is provided with at least one ventilation structure, the front side of control cabinet body is rotatably connected with control cabinet side door, and the one side of control cabinet side door and control cabinet body is connected through buckle structure, and the buckle structure includes the first sliding slot of being set up on control cabinet body and the second sliding slot of being set up on control cabinet side door, is equipped with damping spring in the first sliding slot, and one end of damping spring is connected with control cabinet body, and the other end of damping spring is connected with L-shaped handle, and L-shaped handle and the first sliding slot are slidably connected, and the end portion fixedly connected with trapezoidal protruding of L-shaped handle is slidably arranged in the second sliding slot. The utility model can be more simple to open and close control cabinet side door, and the user is convenient to contact the internal electronic component, and it is convenient for the maintenance of the internal electronic component of PLC control cabinet subsequently.

Description

Technical Field

[0001] This utility model belongs to the field of control cabinet technology, specifically relating to an energy efficiency management system for a non-standard control cabinet based on PLC. Background Technology

[0002] PLC control cabinet refers to programmable control cabinet. A control cabinet is a complete set of control cabinets that can control motors and switches. PLC control cabinets have protection functions such as overload, short circuit, and phase loss protection. For example, the patent with patent publication number CN219536742U describes a highly integrated PLC valve group control cabinet. Because there are many electromagnetic components in the control cabinet, after long-term operation, the electronic components emit a lot of heat that accumulates inside the control cabinet, causing the temperature inside the control cabinet to rise and affecting the service life of the electronic components. This control cabinet provides a heat dissipation device and has a dustproof function.

[0003] However, there are many electronic components inside the PLC control cabinet. During maintenance, it is necessary to open the inside of the electronic components. This device requires disassembling the control cabinet before the internal electronic components can be repaired, which is time-consuming and labor-intensive.

[0004] Based on this, we now provide an energy efficiency management system based on a PLC-based non-standard control cabinet, which can eliminate the drawbacks of existing devices. Utility Model Content

[0005] The purpose of this invention is to provide an energy efficiency management system for a non-standard control cabinet based on PLC, which allows for relatively simple opening and closing of the control cabinet side door, making it convenient for users to access the internal electronic components and facilitating subsequent maintenance of the electronic components inside the PLC control cabinet.

[0006] The specific technical solution adopted by this utility model is as follows:

[0007] An energy efficiency management system based on a PLC-based non-standard control cabinet, including the control cabinet body;

[0008] At least one ventilation structure is provided on the rear side of the control cabinet.

[0009] The front side of the control cabinet is rotatably connected to a control cabinet side door, and the control cabinet side door and one side of the control cabinet are connected by a snap-fit ​​structure.

[0010] The buckle structure includes a first slide groove formed on the control cabinet body and a second slide groove formed on the side door of the control cabinet. A damping spring is provided in the first slide groove. One end of the damping spring is connected to the control cabinet body, and the other end of the damping spring is connected to an L-shaped handle. The L-shaped handle is slidably connected to the first slide groove. A trapezoidal protrusion is fixedly connected to the end of the L-shaped handle, and the trapezoidal protrusion is slidably disposed in the second slide groove.

[0011] Furthermore, the trapezoidal protrusion has a slope at the position away from the L-shaped handle.

[0012] Furthermore, the damping spring is in a stretched state.

[0013] Furthermore, a cabinet door handle is fixedly connected to the front side of the control cabinet side door.

[0014] Furthermore, a temperature sensor unit is placed on the lower surface inside the control cabinet, and the energy efficiency management system also includes a control panel, wherein the temperature sensor unit and the electric fan are electrically connected to the control panel.

[0015] Furthermore, the ventilation structure includes a circular fixing frame fixedly connected to the inner rear wall of the control cabinet, a fixing rod fixedly connected inside the circular fixing frame, an electric fan installed on the fixing rod, and a dustproof structure provided in the air outlet direction of the electric fan.

[0016] Furthermore, the dustproof structure includes a rectangular iron frame fixedly connected to the rear side of the control cabinet. The rectangular iron frame is opposite to the electric fan. Multiple rotating shafts are fixedly connected inside the rectangular iron frame in a top-to-bottom order. Both ends of the rotating shafts are fixedly connected to the rectangular iron frame. Baffles are rotatably connected to the outer sides of the multiple rotating shafts.

[0017] Furthermore, the contact surface of the baffle is provided with a nylon coating.

[0018] Furthermore, the baffle is made of a lightweight material.

[0019] The technical effects achieved by this utility model are as follows:

[0020] This utility model discloses an energy efficiency management system for a non-standard control cabinet based on PLC. Through the interaction of a snap-fit ​​structure and a hinge, the control cabinet side door can be rotated, making it easy to open and close. This allows users to easily access the internal electronic components and facilitates subsequent maintenance of the electronic components inside the PLC control cabinet. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the structure of this utility model.

[0022] Figure 2 This is a schematic diagram of the other side of the structure of this utility model.

[0023] Figure 3 This is a schematic diagram of the cross-sectional structure of this utility model.

[0024] Figure 4 This is a schematic diagram of the dustproof structure of this utility model.

[0025] Figure 5 This is a schematic diagram of the snap-fit ​​structure of this utility model.

[0026] Figure 6 This is a flowchart of the utility model.

[0027] Figure 7 This is a schematic diagram of the system of this utility model.

[0028] The attached diagram lists the components represented by each number as follows:

[0029] 1. Preheater; 2. Fresh air conditioner; 3. Air supply fan; 4. Fresh air temperature sensor; 5. Air supply temperature sensor; 100. Control cabinet body; 200. Control cabinet top cover; 300. Control cabinet side door; 400. Cabinet door handle; 500. Hinge; 600. Ventilation structure; 601. Circular ring fixing frame; 602. Fixing rod; 603. Electric fan; 610. Dustproof structure; 611. Rectangular iron frame; 612. Baffle; 613. Rotating shaft; 700. Buckle structure; 701. First slide rail; 702. Second slide rail; 703. L-shaped handle; 704. Trapezoidal protrusion; 705. Damping spring; 800. Temperature sensor unit. Detailed Implementation

[0030] To make the objectives and advantages of this utility model clearer, the following detailed description is provided in conjunction with embodiments. It should be understood that the following text is merely used to describe one or more specific embodiments of this utility model and does not strictly limit the scope of protection specifically claimed by this utility model.

[0031] Example 1:

[0032] like Figures 1-7 As shown, an energy efficiency management system based on a PLC non-standard control cabinet includes a non-standard control cabinet housing, which includes a control cabinet body 100. A control cabinet cover 200 is fixedly connected to the upper end of the control cabinet body 100 to improve the protective effect of the control cabinet body 100.

[0033] At least one ventilation structure 600 is provided on the rear side of the control cabinet 100. Preferably, there are two ventilation structures 600. The ventilation structures 600 can dissipate the heat inside the control cabinet 100 in a timely manner.

[0034] like Figure 1 and Figures 3-4As shown, the ventilation structure 600 includes a circular fixing frame 601 fixedly connected to the inner rear wall of the control cabinet 100. A fixing rod 602 is fixedly connected inside the circular fixing frame 601. An electric fan 603 is installed on the fixing rod 602. The electric fan 603 is used to drive the air inside the control cabinet 100 to flow outward. A dustproof structure 610 is provided in the air outlet direction of the electric fan 603.

[0035] Specifically, one end of the fixing rod 602 is connected to the circular fixing frame 601, and the other end of the fixing rod 602 is connected to the electric fan 603.

[0036] like Figure 1 , Figure 3 and Figure 4 As shown, the dustproof structure 610 includes a rectangular iron frame 611 fixedly connected to the rear side of the control cabinet 100. The rectangular iron frame 611 is opposite to the electric fan 603. Multiple rotating shafts 613 are fixedly connected inside the rectangular iron frame 611 in a top-to-bottom order. Both ends of the rotating shafts 613 are fixedly connected to the rectangular iron frame 611. Baffles 612 are rotatably connected to the outer sides of the multiple rotating shafts 613. Preferably, the upper end of the baffle 612 is penetrated by the rotating shaft 613, and the baffle 612 and the rotating shaft 613 are rotatably connected.

[0037] When the electric fan 603 is working, the air force blown by the electric fan 603 can push the baffle 612 to open the baffle 612, so that the air force of the electric fan 603 can blow out normally. When the electric fan 603 is turned off, the baffle 612 automatically resets under the action of gravity. Multiple baffles 612 are combined to seal the rectangular iron frame 611.

[0038] In some further embodiments, the contact surface of the baffle 612 is provided with a nylon coating to reduce damage to the baffle 612 caused by gravity impact after ventilation stops.

[0039] The baffle 612 is made of lightweight materials such as PVC, PET, and PP. The lightweight material allows the rotating electric fan 603 to blow the baffle 612.

[0040] like Figure 2 , Figure 5 As shown, the front of the control cabinet body 100 is rotatably connected to an openable control cabinet side door 300. A hinge 500 is installed at the connection between the control cabinet side door 300 and the control cabinet body 100, allowing the control cabinet side door 300 to rotate around the hinge 500. The control cabinet side door 300 and one side of the control cabinet body 100 are connected by a snap-fit ​​structure 700, which allows the control cabinet body 100 and the control cabinet side door 300 to be separated or connected.

[0041] Specifically, the snap-fit ​​structure 700 includes a first slide groove 701 formed on the control cabinet body 100 and a second slide groove 702 formed on the control cabinet side door 300. A damping spring 705 is provided in the first slide groove 701. One end of the damping spring 705 is connected to the control cabinet body 100, and the other end is connected to an L-shaped handle 703. The L-shaped handle 703 is slidably connected to the first slide groove 701 to guide its sliding motion. A trapezoidal protrusion 704 is fixedly connected to the end of 703. The trapezoidal protrusion 704 is slidably disposed in the second slide groove 702. Pulling the L-shaped handle 703 can disengage the trapezoidal protrusion 704 from the second slide groove 702, thus separating the control cabinet body 100 and the control cabinet side door 300. After the pulling force is released, the trapezoidal protrusion 704 slides back into the second slide groove 702 under the action of the damping spring 705, so that the control cabinet body 100 and the control cabinet side door 300 are snapped together.

[0042] It should be noted that, as Figure 5 As shown, the trapezoidal protrusion 704 has an inclined surface located away from the L-shaped handle 703. When the control cabinet side door 300 is closed, the rotating control cabinet side door 300 abuts against the inclined surface of the trapezoidal protrusion 704, thus pushing the inclined surface of the trapezoidal protrusion 704. This causes the L-shaped handle 703 to slide outward from the first slide groove 701. At this time, the control cabinet side door 300 and the trapezoidal protrusion 704 are intersected, and the control cabinet side door 300 can rotate until it abuts against the control cabinet body 100. Under the action of the damping spring 705, the trapezoidal protrusion 704 slides into the second slide groove 702.

[0043] The damping spring 705 is in a stretched state, and the snap-fit ​​structure 700 can apply pressure to the control cabinet body 100 and the control cabinet side door 300, making the connection between the control cabinet body 100 and the control cabinet side door 300 more secure.

[0044] like Figure 2 As shown, in order to make it easier to apply pulling force to the control cabinet side door 300, a cabinet door handle 400 is fixedly connected to the front side of the control cabinet side door 300.

[0045] like Figure 3 As shown, in some embodiments, a temperature sensor unit 800 is placed on the lower surface inside the control cabinet 100 to detect the temperature inside the control cabinet 100.

[0046] The energy efficiency management system also includes a control panel, and the temperature sensor unit 800 and the electric fan 603 are electrically connected to the control panel.

[0047] In use, when the temperature inside the control cabinet 100 rises to the set alarm temperature, the temperature sensor unit 800 can detect that the temperature is too high. The temperature sensor unit 800 transmits the temperature information to the control panel, and the control panel controls the electric fan 603 to start rotating. The flowing air blows up the baffle 612, and the hot air flows to the outside through the cavity in the rectangular iron frame 611 to cool the inside. When the temperature drops, the electric fan 603 stops working, and the baffle 612 rotates around the rotating shaft 613 under the action of gravity, closing the rectangular iron frame 611 again to prevent dust from entering the control cabinet 100.

[0048] If maintenance of the control cabinet is required, manually pulling the L-shaped handle 703 will disengage the trapezoidal protrusion 704 from the second slide rail 702, separating the control cabinet body 100 and the control cabinet side door 300. Under the action of the hinge 500, pulling the cabinet door handle 400 will rotate the control cabinet side door 300, allowing maintenance personnel to inspect the electronic components inside the control cabinet body 100.

[0049] Example 2:

[0050] Based on Embodiment 1, this technical solution discloses an energy consumption detection host computer, which includes a host computer and a WINCC human-machine interface.

[0051] The host computer, located in the monitoring room, uses a WINCC human-machine interface that includes at least user management, running status, historical data, and fault query functions.

[0052] The non-standard control cabinet includes a non-standard control cabinet housing, a PLC monitoring unit, a preheater 1 control unit, a current sensor, and a voltage sensor;

[0053] The non-standard control cabinet housing is connected to a blower 3 via a pipe. The blower 3 is connected to a fresh air conditioner 2 via a pipe. The fresh air conditioner 2 is connected to a preheater 1 via a pipe. A fresh air temperature sensor 4 is installed at the air inlet of the preheater 1. An air supply temperature sensor 5 is installed at the air outlet of the preheater 1.

[0054] The PLC monitoring unit includes at least a CPU, a digital output port, an analog input port, an analog output port, and a power supply module; the power supply module is electrically connected to the CPU, the preheater 1 control unit is connected to the digital output port and the analog output port in sequence, and the current sensor and voltage sensor are both connected to the analog input module.

[0055] The temperature sensors include a fresh air temperature sensor 4 for collecting the temperature of the fresh air inlet, a supply air temperature sensor 5 for collecting the temperature of the preheater 1 outlet, and a room temperature sensor for collecting the temperature of the core area.

[0056] The non-standard control cabinet communicates with the energy consumption monitoring host computer via the Profinet protocol.

[0057] Non-standard control cabinets can be customized according to specific project needs to meet specific functional and space requirements.

[0058] The method for using the energy efficiency management system of a non-standard control cabinet for a PLC includes the following steps:

[0059] Verify user management permissions and access the monitoring system based on the user's operation level;

[0060] Key parameters that can be monitored in real time through the WINCC human-machine interface include fresh air temperature, supply air temperature, core room temperature, preheater 1 operating voltage, and preheater 1 operating current.

[0061] The operating power of the preheater 1 is controlled by the PLC control system to achieve low-power operation at the set temperature.

[0062] The real-time acquired system operating parameters are stored in the host computer database and plotted as a graph in the form of curves to realize the collection and storage of system operating data.

[0063] The system's operating status can be monitored in real time through the WINCC human-machine interface. If a fault occurs, the alarm will be displayed and recorded.

[0064] The above description is merely a preferred embodiment of this utility model. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of this utility model, and these improvements and modifications should also be considered within the scope of protection of this utility model. Structures, devices, and operating methods not specifically described or explained in this utility model, unless otherwise specified or limited, shall be implemented using conventional methods in the field.

Claims

1. An energy efficiency management system based on a PLC-based non-standard control cabinet, characterized in that: Including the control cabinet (100); At least one ventilation structure (600) is provided on the rear side of the control cabinet (100). The front side of the control cabinet body (100) is rotatably connected to a control cabinet side door (300), and the control cabinet side door (300) and one side of the control cabinet body (100) are connected by a snap-fit ​​structure (700). The buckle structure (700) includes a first slide groove (701) on the control cabinet body (100) and a second slide groove (702) on the control cabinet side door (300). A damping spring (705) is provided in the first slide groove (701). One end of the damping spring (705) is connected to the control cabinet body (100), and the other end of the damping spring (705) is connected to an L-shaped handle (703). The L-shaped handle (703) and the first slide groove (701) are slidably connected. A trapezoidal protrusion (704) is fixedly connected to the end of the L-shaped handle (703), and the trapezoidal protrusion (704) is slidably disposed in the second slide groove (702).

2. The energy efficiency management system based on a PLC-based non-standard control cabinet according to claim 1, characterized in that: The trapezoidal protrusion (704) is provided with a slope at a position away from the L-shaped handle (703).

3. The energy efficiency management system based on a PLC-based non-standard control cabinet according to claim 1, characterized in that: The damping spring (705) is in a stretched state.

4. The energy efficiency management system based on a PLC-based non-standard control cabinet according to claim 1, characterized in that: A cabinet door handle (400) is fixedly connected to the front side of the control cabinet side door (300).

5. The energy efficiency management system based on a PLC-based non-standard control cabinet according to claim 1, characterized in that: A temperature sensor unit (800) is placed on the lower surface inside the control cabinet (100). The energy efficiency management system also includes a control panel. The temperature sensor unit (800) and the electric fan (603) are both electrically connected to the control panel.

6. The energy efficiency management system based on a PLC-based non-standard control cabinet according to claim 1, characterized in that: Hinges (500) are installed at the connection between the control cabinet side door (300) and the control cabinet body (100).

7. An energy efficiency management system based on a PLC-based non-standard control cabinet according to any one of claims 1-6, characterized in that: The ventilation structure (600) includes a circular fixing frame (601) fixedly connected to the inner wall of the rear side of the control cabinet (100). A fixing rod (602) is fixedly connected inside the circular fixing frame (601). An electric fan (603) is installed on the fixing rod (602). The air outlet direction of the electric fan (603) is provided with a dustproof structure (610).

8. The energy efficiency management system based on a PLC-based non-standard control cabinet according to claim 7, characterized in that: The dustproof structure (610) includes a rectangular iron frame (611) fixedly connected to the rear side of the control cabinet (100). The rectangular iron frame (611) is opposite to the electric fan (603). Multiple rotating shafts (613) are fixedly connected inside the rectangular iron frame (611) in a top-to-bottom order. Both ends of the rotating shafts (613) are fixedly connected to the rectangular iron frame (611). Baffles (612) are rotatably connected to the outer sides of the multiple rotating shafts (613).

9. An energy efficiency management system based on a PLC-based non-standard control cabinet according to claim 8, characterized in that: The contact surface of the baffle (612) is coated with nylon.

10. An energy efficiency management system based on a PLC-based non-standard control cabinet according to claim 8, characterized in that: The baffle (612) is made of a lightweight material.

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