Strong and weak current separated electrical cabinet
通过在电气柜中使用屏蔽板和屏蔽罩将强电和弱电电路隔离,解决了电磁干扰和触电风险的问题,实现了电气柜的安全可靠运行。
Patent Information
- Application Number
- CN202422115812.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-30
- Publication Date
- 2025-07-08
- Estimated Expiration
- 2034-08-30
AI Technical Summary
The electromagnetic field of the strong electrical circuit in the existing electrical cabinet interferes with the weak electrical circuit, causing the PLC controller to fail to work normally and there is a risk of electric shock.
The shielding plate is used to separate the cavity in the electrical cabinet into a strong electrical chamber and a weak electrical chamber. Combined with the shielding cover and the partition frame, the electromagnetic shielding effect of the shielding plate is used to isolate the strong electrical and weak electrical circuits, and heat management is carried out through the heat dissipation hole and the exhaust hole.
It effectively weakens the electromagnetic interference of strong electric circuits on weak electric circuits, prevents workers from electric shock accidents, and ensures the normal operation and operation of weak electric circuits.
Smart Images

Figure CN223079578U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of electrical equipment design, and more particularly, to an electrical cabinet with separation of strong and weak electricity. Background Art
[0002] Strong electricity is the part in home life that provides electricity and enables electrical equipment to operate, such as lighting and cooling systems, etc. Weak electricity is mainly used for distributing electric energy and also facilitates the control operation of the opening and closing of the strong electricity circuit.
[0003] In the existing electrical cabinet, strong electricity circuits and weak electricity circuits are usually arranged at the same time. Since the current of strong electricity is usually large, the generated electromagnetic field often interferes with the PLC controller in the weak electricity circuit in the same cabinet, causing the weak electricity circuit to fail to work properly. Also, because workers often need to operate the weak electricity circuit, if they accidentally touch the strong electricity circuit in the same cabinet, it is easy to cause electric shock and injury. Summary of the Invention
[0004] The content part of this application is used to briefly introduce concepts, which will be described in detail in the following detailed implementation part. The content part of this application is not intended to identify the key features or essential features of the claimed technical solution, nor is it intended to limit the scope of the claimed technical solution.
[0005] To solve the technical problems mentioned in the above background art part, some embodiments of this application provide an electrical cabinet with separation of strong and weak electricity, including: a cabinet body, with a cavity formed inside; a shielding plate, placed in the cavity of the cabinet body, and the shielding plate divides the cavity into a strong electricity chamber and a weak electricity chamber; a shielding cover, one end of which is hinged to the shielding plate and the other end is detachably connected to the shielding plate, and the shielding cover is used to open and close the weak electricity chamber.
[0006] Further, a plurality of heat dissipation holes are formed on the shielding plate.
[0007] Further, it also includes: a partition frame; the partition frame is placed inside the cabinet body, and the partition frame forms a plurality of partition cavities, a part of the partition cavities are located in the strong electricity chamber, and another part of the partition cavities are located in the weak electricity chamber.
[0008] Further, it also includes: a cover plate; the cover plate is placed in the weak electricity chamber, and the cover plate is connected to the partition frame, and the cover plate is used to open and close one of the partition cavities in the weak electricity chamber.
[0009] Further, one end of the cover plate is rotatably connected to the partition frame, and the other end of the cover plate is detachably connected to the partition frame by screws.
[0010] Further, one end of the cover plate forms a rotating rod, a sleeve is formed on the partition frame, the rotating rod is rotatably inserted into the sleeve, the rotating rod is detachably connected to the sleeve, and the other end of the cover plate is detachably connected to the partition frame by bolts.
[0011] Further, a plurality of exhaust holes are formed on the partition frame, and the exhaust holes are used to communicate adjacent partition cavities.
[0012] Further, a wiring opening is formed on the cover plate facing the partition cavity.
[0013] The beneficial effects of the present application are as follows:
[0014] The shielding plate divides the cavity in the cabinet into a strong electricity chamber and a weak electricity chamber. The strong electricity circuit is arranged in the strong electricity chamber, and the weak electricity circuit is arranged in the weak electricity chamber. The shielding cover and the shielding plate cooperate to surround the weak electricity circuit to completely isolate the weak electricity circuit from the strong electricity circuit, thereby weakening the interference of the electromagnetic field generated by the strong electricity circuit on the PLC controller in the weak electricity circuit, and also preventing workers from accidentally touching the strong electricity circuit when operating the weak electricity circuit and causing electric shock injuries. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] The drawings forming a part of this application are used to provide a further understanding of the application, making other features, objects, and advantages of the application more obvious. The schematic embodiments and descriptions of the drawings of the present application are used to explain the present application and do not constitute an improper limitation of the present application.
[0016] In addition, throughout the drawings, the same or similar reference numerals represent the same or similar elements. It should be understood that the drawings are schematic, and the elements and components are not necessarily drawn to scale.
[0017] In the drawings:
[0018] Figure 1 is the overall schematic diagram according to the embodiment of the present application;
[0019] Figure 2 is the structural schematic diagram of a part of this embodiment, mainly showing the connection relationship between the shielding plate and the shielding cover;
[0020] Figure 3 is the structural schematic diagram of a part of this embodiment, mainly showing the components inside the shielding cover;
[0021] Figure 4 is the structural schematic diagram of a part of this embodiment, mainly showing the connection relationship between the cover plate and the partition frame.
[0022] Reference numerals:
[0023] 1. Cabinet body; 2. Shielding plate; 21. Heat dissipation holes; 3. Partition frame; 31. Sleeve; 4. Cover plate; 41. Rotating rod; 42. Wiring opening; 5. Shielding cover; 6. Hinge; 7. Bolt; 8. Screw. Detailed implementation manners
[0024] Embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although some embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure can be implemented in various forms and should not be construed as limited to the embodiments set forth herein. On the contrary, these embodiments are provided to more thoroughly and completely understand the present disclosure. It should be understood that the drawings and embodiments of the present disclosure are only for exemplary purposes and are not used to limit the protection scope of the present disclosure.
[0025] In addition, it should be noted that for the convenience of description, only parts related to the relevant invention are shown in the drawings. Without conflict, the embodiments in the present disclosure and the features in the embodiments can be combined with each other.
[0026] It should be noted that the concepts such as "first" and "second" mentioned in the present disclosure are only used to distinguish different devices, modules or units, and are not used to limit the order of functions performed by these devices, modules or units or their interdependent relationships.
[0027] It should be noted that the modifications of "one" and "multiple" mentioned in the present disclosure are illustrative rather than restrictive. Those skilled in the art should understand that unless clearly stated otherwise in the context, it should be understood as "one or more".
[0028] The present disclosure will be described in detail below with reference to the drawings and in combination with the embodiments.
[0029] Refer to Figures 1-4 ,
[0030] An electrical cabinet with separation of strong and weak electricity includes: a cabinet body 1, a shielding plate 2 and a shielding cover 5; a cavity for arranging circuits is formed inside the cabinet body 1. The shielding plate 2 is a metal L-shaped plate, and the shielding plate 2 is placed on one side of the lower part of the cavity. The shielding plate 2 is welded and fixed to the cabinet body 1 to divide the cavity into a strong electricity chamber and a weak electricity chamber. The strong electricity chamber is used to arrange strong electricity circuits, and the weak electricity chamber is used to arrange weak electricity circuits integrated with a PLC controller. Due to the electromagnetic shielding effect of the shielding plate 2, the electromagnetic field generated by the strong electricity circuits will be blocked by the shielding plate 2. The shielding cover 5 is made of metal. One end of the shielding cover 5 is hinged to the shielding plate 2 through a hinge 6, and the other end of the shielding cover 5 is detachably connected to the shielding plate 2 through a detachable bolt 7. The shielding cover 5 is used to open and close the weak electricity chamber to facilitate workers to repair the weak electricity circuits.
[0031] Specifically, a plurality of heat dissipation holes 21 are formed on the shielding plate 2 for communicating the strong electricity chamber and the weak electricity chamber, so as to facilitate the diffusion and uniform distribution of heat in the strong electricity chamber and the weak electricity chamber, and prevent heat accumulation.
[0032] Specifically, it further includes: a partition frame 3. The partition frame 3 is placed inside the cabinet body 1. The partition frame 3 forms a plurality of partition chambers. A part of the partition chambers are located in the strong electricity chamber, and another part of the partition chambers are located in the weak electricity chamber. The partition chambers separate the electrical components in the strong electricity circuit and the weak electricity circuit, facilitating workers to install electrical components and arrange wires.
[0033] Specifically, it further includes: a cover plate 4. The cover plate 4 is placed in the weak electricity chamber. The cover plate 4 is connected to the partition frame 3. One of the partition chambers in the weak electricity chamber is used to install the PLC controller. The cover plate 4 is used to open and close this partition chamber. When the cover plate 4 closes this partition chamber, the cover plate 4, the partition frame 3 and the cabinet body 1 cooperate to surround the PLC controller, further blocking the electromagnetic interference of the strong electricity circuit on the PLC controller.
[0034] In this embodiment, one end of the cover plate 4 is hinged to the partition frame by a hinge, and the other end of the cover plate 4 is detachably connected to the partition frame 3 by a screw 8. Workers use a screwdriver to unscrew the screw 8 and then rotate the cover plate 4 to open it, and then they can operate the PLC controller in the partition chamber.
[0035] In another embodiment, one end of the cover plate 4 forms a rotating rod 41, and a sleeve 31 is formed on the partition frame 3. The rotating rod 41 is inserted into the sleeve 31 from top to bottom and rotates. The rotating rod 41 is detachably connected to the sleeve 31. The other end of the cover plate 4 is detachably connected to the partition frame 3 by a bolt. Workers use a screwdriver to unscrew the screw 8 and then rotate the cover plate 4 around the rotating rod 41 to open it, and then they can operate the PLC controller in the partition chamber. Workers pull the rotating rod 41 upward out of the sleeve 31, and then they can separate the cover plate 4 from the partition frame 3, which is more convenient for operating the PLC controller.
[0036] Specifically, a plurality of exhaust holes are formed on the partition frame. The exhaust holes are used to communicate adjacent partition chambers, facilitating the gas exchange in each partition chamber and preventing heat from accumulating in some partition chambers.
[0037] Specifically, the cover plate 4 forms a wiring opening 42 facing the partition chamber. The wiring opening 42 is opposite to the PLC controller of the weak electricity circuit in the partition chamber, and is used to expose the terminals of the PLC controller, facilitating workers to wire.
[0038] The above description is only some preferred embodiments of the present disclosure and an explanation of the technical principles applied. Those skilled in the art should understand that the scope of the invention involved in the embodiments of the present disclosure is not limited to the technical solutions formed by the specific combination of the above technical features, and should also cover other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the above inventive concept. For example, the technical solutions formed by replacing the above features with (but not limited to) the technical features with similar functions disclosed in the embodiments of the present disclosure.
Claims
1. An electrical cabinet with separation of strong and weak electricity, characterized in that, Comprising: A cabinet body, with a cavity formed inside; A shielding plate, placed inside the cavity of the cabinet body, and the shielding plate divides the cavity into a strong electricity chamber and a weak electricity chamber; A shielding cover, with one end hinged to the shielding plate and the other end detachably connected to the shielding plate, and the shielding cover is used to open and close the weak electricity chamber.
2. The electrical cabinet with separation of strong and weak electricity according to claim 1, characterized in that: A plurality of heat dissipation holes are formed on the shielding plate.
3. The electrical cabinet with separation of strong and weak electricity according to claim 1 or 2, characterized in that: It further comprises: a partition frame; the partition frame is placed inside the cabinet body, and the partition frame forms a plurality of partition cavities, a part of the partition cavities are located in the strong electricity chamber, and another part of the partition cavities are located in the weak electricity chamber.
4. The electrical cabinet with separation of strong and weak electricity according to claim 3, characterized in that: It further comprises: a cover plate; the cover plate is placed in the weak electricity chamber, and the cover plate is connected to the partition frame, and the cover plate is used to open and close one of the partition cavities in the weak electricity chamber.
5. The electrical cabinet with separation of strong and weak electricity according to claim 4, characterized in that: One end of the cover plate is rotatably connected to the partition frame, and the other end of the cover plate is detachably connected to the partition frame by screws.
6. The electrical cabinet with separation of strong and weak electricity according to claim 4, characterized in that: One end of the cover plate forms a rotating rod, a sleeve is formed on the partition frame, the rotating rod is rotatably inserted into the sleeve, the rotating rod is detachably connected to the sleeve, and the other end of the cover plate is detachably connected to the partition frame by bolts.
7. The electrical cabinet with separation of strong and weak electricity according to any one of claims 4-6, characterized in that: A plurality of exhaust holes are formed on the partition frame, and the exhaust holes are used to communicate adjacent partition cavities.
8. The electrical cabinet with separation of strong and weak electricity according to any one of claims 4-6, characterized in that: The cover plate forms a wiring opening facing the partition cavity.