Electrical box cover
By introducing an electric heating element and a miniature camera into the electrical box cover, combined with a protective plate and sealing structure, the condensation problem in humid environments is solved, improving the reliability and safety of the equipment and enabling real-time monitoring and convenient operation.
Patent Information
- Application Number
- CN202423262422.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-28
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2034-12-28
AI Technical Summary
Existing electrical box covers are prone to condensation in humid and extremely cold environments, leading to short circuits or other electrical faults, which is difficult to solve effectively with current technology.
A cylindrical cover was designed, housing an electric heating element and a miniature camera, along with an arc-shaped protective plate and a viewing window. Combined with protective protrusions, a sealing structure, and a hydrophobic slope, it achieves waterproofing and dustproofing, while enhancing structural strength and reliability.
It effectively prevents condensation, improves equipment reliability and safety, ensures clear visibility, allows for real-time monitoring of internal status, enhances impact resistance and ease of operation, and extends service life.
Smart Images

Figure CN223729271U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of electrical equipment protection, in particular to an electrical box cover. BACKGROUND
[0002] Electric actuators are key components in modern industrial automation control systems, widely used in power, petroleum, metallurgy, coal, municipal, environmental protection, and water treatment fields. These devices ensure the safety and efficiency of production processes by precisely controlling the actions of valves and other devices. However, in actual applications, especially in harsh environments such as humidity and extreme cold, the reliability and stability of electric actuators face severe challenges.
[0003] To address the above challenges, existing technologies usually take multiple measures to improve the performance of electrical box covers. For example, some designs use waterproof sealing rings and dust covers to prevent moisture and dust from entering the internal circuit; others add a metal shielding layer to reduce the impact of electromagnetic interference; some designs add temperature and humidity sensors inside the electrical box cover to monitor environmental conditions in real time and adjust the working state in time. In addition, some products also coat anti-corrosion paint on the surface of the electrical box cover to enhance its corrosion resistance.
[0004] Although these methods improve the reliability of electrical box covers to some extent, there are still obvious shortcomings, especially in extreme environments such as humidity and low temperature, where electrical box covers are still prone to condensation, leading to short circuits or other electrical failures. Therefore, there is an urgent need for a new technical solution that can effectively solve this problem. CONTENT OF THE INVENTION
[0005] To overcome the above technical problems, the present application provides an electrical box cover.
[0006] The electrical box cover provided by the present application adopts the following technical solution:
[0007] An electrical box cover, comprising a cover body, the cover body is set as a cylindrical shape, a window hole is opened at the top of the cover body, a window glass is installed in the window hole, a plurality of electric heating fins are fixedly arranged on the inner top wall of the cover body, a micro camera is also fixedly arranged on the inner top wall of the cover body, a plurality of protective plates are fixedly arranged on the periphery of the top of the cover body, the protective plates are integrally arranged with the cover body, the protective plates are set as arc-shaped plates, and the protective plates are arranged at intervals.
[0008] By adopting the technical scheme, the electrical box cover has the following effects: the cylindrical cover body and the arc-shaped plate-shaped protective plate design can effectively prevent moisture from entering the inside, improving the reliability of the equipment in a humid environment. The window glass in the window hole can observe the internal situation, and the electric heating sheet can prevent the glass surface from frosting or fogging, ensuring clear vision. The setting of the miniature camera facilitates real-time monitoring of the internal state of the electrical box, and timely discovery of abnormal conditions. The protective plate is integrally arranged with the cover body, increasing the structural strength of the entire cover body and improving the impact resistance. The multiple spaced protective plates further enhance the resistance to external environmental factors (such as wind sand and rain and snow).
[0009] Preferably, a protective protrusion is fixedly arranged at the top of the cover body corresponding to the position of the window hole, the protective protrusion is arranged in a circular ring shape, a fixed flange is formed between the protective protrusion and the window hole, and the window glass is bonded to the fixed flange.
[0010] By adopting the technical scheme, the protective protrusion can effectively protect the window glass from the influence of the external environment and prolong the service life; at the same time, the design of the fixed flange enables the window glass to be firmly bonded thereto, enhancing the structural stability and preventing the window glass from falling off due to vibration or impact.
[0011] Preferably, a knob slot and a button slot are further recessed at the top of the cover body, a knob switch is arranged in the knob slot, and a button switch is fixedly arranged in the button slot.
[0012] By adopting the technical scheme, the knob switch and the button switch can be integrated on the electrical box cover, improving the operation convenience. At the same time, the design of the knob slot and the button slot enables the components to be arranged reasonably, ensuring that the internal structure of the electrical box is compact and reducing the space occupation. This design not only facilitates the daily operation of the user, but also improves the overall aesthetics of the equipment.
[0013] Preferably, a skeleton oil seal is further fixedly arranged at the slot opening of the button slot, a return spring is fixedly arranged in the button slot, and the bottom of the button switch abuts against the return spring.
[0014] By adopting the technical scheme, the skeleton oil seal is fixedly arranged at the slot opening of the button slot, which can effectively prevent external moisture and dust from entering the inside of the button slot, improving the waterproof and dustproof performance of the electrical box cover. At the same time, the return spring is fixedly arranged in the button slot, which can quickly pop the button switch back to the original position when the button switch is pressed, ensuring the operation sensitivity and reliability of the button switch. Preferably, a hinged seat is adjacently arranged at the knob slot, the hinged seat is fixedly arranged at the top of the cover body, and a sealing cover is hingedly arranged on the hinged seat.
[0015] By adopting the technical scheme, the electrical box cover has good waterproof and dustproof performance. The setting of the hinged seat enables the sealing cover to be conveniently opened and closed, improving the operation convenience. The sealing cover can effectively prevent external dust and moisture from entering the inside of the rotary knob slot, thereby protecting the rotary knob switch from pollution and prolonging the service life. The overall structure is compact and reasonable, which guarantees the functionality and improves the reliability and safety of the product.
[0016] Preferably, a sealing flange is fixedly arranged on the sealing cover, and a clamping flange is arranged at the slot opening of the rotary knob slot corresponding to the sealing flange, and the clamping flange is annularly distributed at the slot opening of the rotary knob slot.
[0017] By adopting the technical scheme, the sealing performance of the electrical box cover can be effectively improved. Specifically, the sealing flange on the sealing cover cooperates with the clamping flange at the slot opening of the rotary knob slot, which can ensure that the rotary knob slot maintains a good sealing state during use, preventing moisture, dust and other impurities from entering the inside, thereby improving the reliability and service life of the equipment.
[0018] Preferably, a switch indicator is fixedly arranged at the button slot.
[0019] The fixed switch indicator at the button slot makes the operation state more intuitive, facilitating the operator to timely understand the working condition of the equipment.
[0020] Preferably, a base is integrally arranged at the bottom of the cover body and the cover body, the diameter of the base is greater than that of the cover body, a slope is formed on the side of the base facing the cover body to form a water-repellent slope, a threaded plate is protrusively arranged at the bottom of the water-repellent slope, and a threaded hole is arranged on the threaded plate. By adopting the technical scheme, the base design of the electrical box cover increases the contact area and improves the stability; at the same time, the water-repellent slope can effectively prevent moisture accumulation and avoid damage to internal components caused by moisture; the threaded hole on the threaded plate facilitates connection with other components, enhancing the installation convenience and reliability.
[0021] In summary, the present application includes at least one of the following beneficial technical effects:
[0022] 1. By fixedly arranging a plurality of electric heating films on the inner top wall of the cover body, condensation phenomenon in the electrical box cover can be effectively prevented, thereby avoiding short circuit or other electrical faults caused by moisture, and significantly improving the reliability and safety of the electrical box cover.
[0023] 2. The installation of the miniature camera enables the worker to real-time view the working condition in the electrical box through the remote monitoring system, facilitating timely discovery of problems and maintenance, and reducing the risk and cost of on-site inspection. BRIEF DESCRIPTION OF DRAWINGS
[0024] Figure 1 is a front view of an embodiment of the present application;
[0025] Figure 2 is a bottom view of an embodiment of the present application;
[0026] Figure 3 is a top view of an embodiment of the present application;
[0027] Figure 4 is a perspective view of an embodiment of the present application;
[0028] Figure 5 is a sectional view of an embodiment of the present application.
[0029] Explanation of Reference Signs: 1, cover body; 11, protection plate; 12, window hole; 121, fixed flange; 122, protection protrusion; 13, switch indicator; 131, button; 132, button slot; 133, reset spring; 134, skeleton oil seal; 14, miniature camera; 15, electric heating sheet; 16, knob slot; 161, knob switch; 162, sealing cover; 163, sealing flange; 164, hinged seat; 165, clamping flange; 2, base; 21, fixed protrusion; 22, threaded hole; 23, water-repellent inclined surface; 24, threaded plate. DETAILED DESCRIPTION
[0030] The following will be described in detail in combination with the accompanying drawings. Figures 1-5 The present application will be further described in detail.
[0031] The inventor of the application finds that the electric actuator often works in harsh environments such as humid and extremely cold environments, and the electrical box cover part is prone to operation failure. Therefore, the electrical box cover disclosed in the embodiments of the application comprises a cover body 1, the cover body 1 is provided in a cylindrical shape, a window hole 12 is formed in the top of the cover body 1, a window glass is installed in the window hole 12, a plurality of electric heating fins 15 are fixedly arranged on the inner top wall of the cover body 1, and the electric heating fins 15 are provided in a PI metal electric heating fin. A miniature camera 14 is also fixedly arranged on the inner top wall of the cover body 1, a plurality of protective plates 11 are fixedly arranged on the top of the cover body 1, the protective plates 11 are integrally arranged with the cover body 1, the protective plates 11 are provided in an arc-shaped plate, the plurality of protective plates 11 are arranged at intervals, the protective plates 11 and the cover body 1 are both provided in a plastic material, the protective plates 11 have a certain deformation amount and can play a certain buffering role, and the plurality of protective plates 11 are arranged at intervals so that gaps are formed between the plurality of protective plates 11, which can ensure that rainwater cannot be stored. The design scheme increases the electric heating fins 15 and the miniature camera 14 on the top of the cover body 1, the angle of view of the miniature camera 14 is aligned with the window glass, when the ambient temperature suddenly drops or a large temperature difference occurs, the fog, dew or frost appearing on the window glass can be photographed by the miniature camera 14, and then the top of the cover body 1 is heated by controlling the electric heating fins 15, the electrical box cover is dried by increasing the temperature, the problems of humidity and condensation are effectively solved, and the reliability and safety of the electrical box cover are improved. The miniature camera 14 can be arranged to automatically control interval photographing and transmission through a program, or can transmit pictures in real time through a wireless signal transmission device for viewing by personnel behind.
[0032] A protective protrusion 122 is fixedly arranged on the top of the cover body 1 corresponding to the position of the window hole 12, the protective protrusion 122 is provided in a circular ring shape, a fixed flange 121 is formed between the protective protrusion 122 and the window hole 12, and the window glass is bonded on the fixed flange 121. The protective protrusion 122 protrudes from the position of the window hole 12 and can protect the window glass installed on the fixed flange 121.
[0033] The top of the cover body 1 is also concavely provided with a knob slot 16 and a button slot 132, a knob switch 161 is arranged in the knob slot 16, and a button 131 is fixedly arranged in the button slot 132. A return spring 133 is fixedly arranged in the button slot 132, and the bottom of the button 131 abuts against the return spring 133. The return spring 133 is used to restore the button 131 after the button 131 is pressed down. Since the element that restores the button 131 is the return spring 133, the return spring 133 is arranged in the knob slot and a skeleton oil seal 134 is fixedly arranged at the slot opening of the knob slot, so that the return spring 133 can be sealingly arranged in the button slot 132.
[0034] The knob slot 16 is adjacent to a hinged seat 164 fixedly arranged at the top of the cover body 1, and a sealing cover 162 is hingedly arranged on the hinged seat 164. The sealing cover 162 is fixedly provided with a sealing flange 163, and the slot of the knob slot 16 is provided with a clamping flange 165 corresponding to the sealing flange 163, and the clamping flange 165 is annularly distributed at the slot of the knob slot 16. The sealing cover 162 is provided to provide protection for the knob switch 161. In the embodiment of the application, the button 131 is provided with a plurality of buttons, in order to distinguish the functions corresponding to different buttons 131, the switch indication plate 13 is fixedly arranged at the button slot 132 to mark the functions realized by different buttons 131.
[0035] The bottom of the cover body 1 is integrally provided with a base 2, and the diameter of the base 2 is greater than that of the cover body 1, so that the base 2 has higher connection strength. The side of the base 2 facing the cover body 1 is provided with a slope to form a water-repellent slope 23, the bottom of the water-repellent slope 23 is provided with a threaded plate 24, and the threaded plate 24 is provided with a threaded hole 22. The arrangement of the water-repellent surface can avoid the accumulation of rainwater in the connecting elements at the threaded hole 22.
[0036] The implementation principle of the embodiment of the application is that the cover body 1 of the electrical box cover is designed in a cylindrical shape, and the top is provided with a window hole 12 and a window glass, which facilitates observation of the internal situation. A plurality of electric heating fins 15 and a micro camera 14 are fixedly installed on the inner top wall, which can remotely realize heating and monitoring functions, and the window glass is observed externally, so that the electric heating fins 15 are started to heat the cover body 1 according to the environmental conditions.
[0037] The above are preferred embodiments of the application, and are not limited to the protection scope of the application, so that: any equivalent changes made according to the structure, shape, principle of the application should be covered within the protection scope of the application.
Claims
1. An electrical box cover, characterized by: The utility model provides a kind of cover (1), the cover (1) is provided as cylindrical shape, the top of the cover (1) is provided with window hole (12), the window glass is installed in the window hole (12), the inner top wall of the cover (1) is fixedly provided with a plurality of electric heating sheet (15), micro camera (14) is also fixedly provided on the inner top wall of the cover (1), the top of the cover (1) is fixedly provided with a plurality of protective plate (11), the protective plate (11) is integrally arranged with the cover (1), the protective plate (11) is provided as arc plate, a plurality of the protective plate (11) is arranged at intervals.
2. An electrical box cover according to claim 1, wherein: The top of the cover (1) is fixedly provided with protective protrusion (122) corresponding to the position of the window hole (12), the protective protrusion (122) is provided as a circular ring, and a fixed flange (121) is formed between the protective protrusion (122) and the window hole (12), and the window glass is bonded to the fixed flange (121).
3. An electrical box cover according to claim 1, wherein: The top of the cover (1) is also provided with a rotary knob slot (16) and a button slot (132), the rotary knob slot (16) is provided with a rotary knob switch (161), and the button slot (132) is fixedly provided with a button (131).
4. An electrical box cover according to claim 3, wherein: The slot of the button slot (132) is also fixedly provided with a skeleton oil seal (134), the button slot (132) is fixedly provided with a return spring (133), and the bottom of the button (131) abuts against the return spring (133).
5. An electrical box cover according to claim 3, wherein: The rotary knob slot (16) is provided with a hinged seat (164), the hinged seat (164) is fixedly provided on the top of the cover (1), and the hinged seat (164) is hingedly provided with a sealing cover (162).
6. An electrical box cover according to claim 5, wherein: The sealing cover (162) is fixedly provided with a sealing flange (163), and the slot of the rotary knob slot (16) is provided with a clamping flange (165) corresponding to the sealing flange (163), and the clamping flange (165) is annularly distributed at the slot of the rotary knob slot (16).
7. An electrical box cover according to claim 3, wherein: The button slot (132) is also fixedly provided with a switch sign (13).
8. An electrical box cover according to claim 1, wherein: The bottom of the cover (1) is integrally provided with a base (2), the diameter of the base (2) is greater than the diameter of the cover (1), the side of the base (2) facing the cover (1) is provided with a slope to form a hydrophobic slope (23), the bottom of the hydrophobic slope (23) is provided with a threaded plate (24), and the threaded plate (24) is provided with a threaded hole (22).