An openable window device for a switchgear cabinet door with observation and safe operation functions

CN224785618UActive Publication Date: 2026-09-22CHENGDU MOLO ELECTRIC
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Patent Information

Application Number
CN202522188086.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-10-16
Publication Date
2026-09-22
Estimated Expiration
2035-10-16

AI Technical Summary

Technical Problem

[0003]1、功能单一:“观察”与“操作”脱节,传统观察窗多为固定不可开启结构,仅能实现“外部看内部”(如查看仪表读数、指示灯状态),若需对柜内元件(如按钮、旋钮、仪表等)进行操作,必须完全打开配电柜大门,不仅增加操作步骤,还会破坏柜体原有的防尘、防误触防护,尤其在带电巡检或临时微调场景中,效率极低

Benefits of technology

[0017]1、本实用新型所提供的一种兼具观察与安全操作功能且用于配电柜门上的可开启窗装置,在无需完全打开配电柜大门的前提下,既能保留清晰观察功能,又能安全伸入手部或工具对柜内指定元件进行操作,实现 “观察—操作” 一体化,同时避免因开柜导致的防护失效问题,避免操作人员开启观察窗时直接接触柜内带电部。

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Abstract

The utility model discloses a kind of openable window devices with observation and safety operation function and for on switchboard door, including openable window device main body, openable window device main body is plate structure, and openable window device main body middle is equipped with openable window device main body through-hole. The periphery of openable window device main body through-hole is welded with upper mounting strip, lower mounting strip, left mounting strip and right mounting strip, and upper mounting strip, lower mounting strip, left mounting strip and right mounting strip are all long strip structure. The side of openable window device main body is equipped with spring carbon steel device and carbon steel positioning device, for being connected with external equipment. A kind of openable window device with observation and safety operation function and for on switchboard door provided by the utility model, under the prerequisite that switchboard gate is not completely opened, can not only retain clear observation function, but also safely stretch into hand or tool to operate specified element in cabinet, avoid operating personnel to open observation window when directly contact cabinet live part.
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Description

Technical Field

[0001] This utility model belongs to the field of power distribution cabinet equipment manufacturing technology, specifically relating to an openable window device for power distribution cabinet doors that combines observation and safe operation functions. Background Technology

[0002] The observation window on the door of a distribution cabinet is a key component that balances visual monitoring and cabinet protection. Traditional designs often focus on the single function of "observation," neglecting safety in high-voltage environments, adaptability to complex environments, and ease of operation. Common shortcomings include:

[0003] 1. Limited functionality: "Observation" and "operation" are disconnected. Traditional observation windows are mostly fixed and cannot be opened, which can only achieve "looking inside from the outside" (such as checking instrument readings and indicator light status). If it is necessary to operate the components inside the cabinet (such as buttons, knobs, instruments, etc.), the distribution cabinet door must be fully opened, which not only increases the number of operation steps, but also damages the original dustproof and accidental contact protection of the cabinet. Especially in live inspection or temporary fine-tuning scenarios, the efficiency is extremely low.

[0004] 2. Insufficient safety protection: Another common problem is that many distribution cabinets have indicator lights, buttons, emergency stop knobs, meters and other components directly installed on the cabinet door. This method allows for direct and effective observation of instrument readings and operating status, and is also convenient for maintenance personnel to operate directly. However, the protrusion of buttons, knobs and other components on the cabinet door can easily cause accidental operation. The lack of targeted safety design can easily lead to risks such as electric shock and accidental contact.

[0005] 3. Inconvenient installation and maintenance: Some observation windows use a bolt-fixed mesh pressure plate and transparent glass structure. Dust and condensation on the inner surface of the glass cannot be cleaned from the outside. The bolt pressure plate needs to be removed to remove the glass for cleaning and maintenance, which increases the maintenance and installation costs. Utility Model Content

[0006] The purpose of this utility model is to solve the above problems and provide an openable window device for power distribution cabinet doors that is simple in structure, easy to use, safe, and has both observation and safe operation functions.

[0007] To solve the above-mentioned technical problems, the technical solution of this utility model is: an openable window device for use on a power distribution cabinet door, which combines observation and safe operation functions, including an openable window device body, the openable window device body is a plate-shaped structure, and an openable window device body through hole is provided in the middle of the openable window device body; an upper mounting strip, a lower mounting strip, a left mounting strip and a right mounting strip are welded around the through hole of the openable window device body, and the upper mounting strip, the lower mounting strip, the left mounting strip and the right mounting strip are all elongated structures; a spring carbon steel device and a carbon steel positioning device are provided on the side of the openable window device body for connecting to external equipment.

[0008] Preferably, the main body of the openable window device is made of a 2.0mm rectangular cold-rolled steel plate with a hole in the middle, and the edges of the rectangular cold-rolled steel plate are bent into a rectangular groove shape.

[0009] Preferably, the upper mounting strip, lower mounting strip, left mounting strip, and right mounting strip are all made of 2.0mm cold-rolled steel plate.

[0010] Preferably, the cross-sections of the upper mounting strip and the left mounting strip are both "n" shaped structures. The upper mounting strip has an upper mounting strip through hole, and the left mounting strip has a left mounting strip through hole. The upper mounting strip through holes and the left mounting strip through holes are linearly distributed. The upper mounting strip and the lower mounting strip have the same structure, and the left mounting strip and the right mounting strip have the same structure.

[0011] Preferably, the upper mounting strip is 240mm long, the diameter of the through hole in the upper mounting strip is 5.4mm, and the distance between adjacent through holes in the upper mounting strip is 25mm; the left mounting strip is 438mm long, and the diameter of the through hole in the left mounting strip is the same as the diameter of the through hole in the upper mounting strip.

[0012] Preferably, the main body of the operable window device is equipped with explosion-proof tempered glass, and the explosion-proof tempered glass is provided with a first glass pressure strip and a second glass pressure strip, which are connected to the main body of the operable window device by bolts.

[0013] Preferably, the spring carbon steel device includes a spring carbon steel body, a spring carbon steel connector, and a spring. The spring carbon steel body is bent into an "L" shape, the spring carbon steel connector is in an "n" shape, the spring carbon steel body passes through both ends of the spring carbon steel connector, and the spring is sleeved on the spring carbon steel body located inside the spring carbon steel connector.

[0014] Preferably, the carbon steel positioning device is a stepped column structure, and the carbon steel positioning device is welded to the main body of the openable window device, with the end of the carbon steel positioning device passing through the main body of the openable window device.

[0015] Preferably, the main body of the openable window device is equipped with a handle rotary lock, which is connected to an external device.

[0016] The beneficial effects of this utility model are:

[0017] 1. The present invention provides an openable window device for use on the door of a power distribution cabinet that combines observation and safe operation functions. Without fully opening the door of the power distribution cabinet, it can retain a clear observation function and allow safe access for hands or tools to operate designated components inside the cabinet, realizing the integration of "observation-operation". At the same time, it avoids the problem of protection failure caused by opening the cabinet and prevents operators from directly contacting live parts inside the cabinet when opening the observation window.

[0018] 2. When used in a power distribution cabinet, this utility model can protect the electrical components inside the cabinet and facilitate observation of the working status inside the cabinet. At the same time, the operator can operate the working buttons without opening the main door panel, but only by opening the operable window device on the power distribution cabinet door. This can avoid accidental contact with other electrical components inside the cabinet and reduce the risk of operation. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of an openable window device for use on a power distribution cabinet door, which combines observation and safe operation functions.

[0020] Figure 2 This is a top view and a side view comparison diagram of the mounting strip of this utility model;

[0021] Figure 3 This is a top view and a side view comparison diagram of the left mounting strip of this utility model;

[0022] Figure 4 This is a schematic diagram of the bottom cross-section of the main body of the operable window device of this utility model;

[0023] Figure 5 This is a utility model Figure 4 A magnified view of a portion of the image;

[0024] Figure 6 This is a utility model Figure 1 A partially enlarged schematic diagram of section II;

[0025] Figure 7 This is a schematic diagram of the connection and combination structure between the main body of the operable window device and the explosion-proof tempered glass of this utility model;

[0026] Figure 8 This is a comparative schematic diagram of the front and side views of the first glass retaining strip of this utility model;

[0027] Figure 9 This is a comparative schematic diagram of the front and side views of the second glass retaining strip of this utility model;

[0028] Figure 10 This is a comparative schematic diagram of the front and side views of the explosion-proof tempered glass of this utility model;

[0029] Figure 11 This is a schematic diagram of the structure of the spring carbon steel device of this utility model;

[0030] Figure 12 This is a schematic diagram of the carbon steel positioning device of this utility model;

[0031] Figure 13 This is a schematic diagram of the installation position of this utility model.

[0032] Explanation of reference numerals in the attached drawings: 1. Main body of the operable window device; 2. Component mounting box; 3. Distribution cabinet; 4. Cabinet door; 10. Mounting hole of the main body of the operable window device; 11. Through hole of the main body of the operable window device; 12. Upper mounting strip; 13. Lower mounting strip; 14. Left mounting strip; 15. Right mounting strip; 16. Spring carbon steel device; 17. Carbon steel positioning device; 18. Explosion-proof tempered glass; 19. Handle rotary lock; 121. Through hole of the upper mounting strip; 141. Through hole of the left mounting strip; 161. Spring carbon steel main body; 162. Spring carbon steel connector; 163. Spring; 181. First glass pressure strip; 182. Second glass pressure strip. Detailed Implementation

[0033] The present invention will be further described below with reference to the accompanying drawings and specific embodiments:

[0034] like Figures 1 to 13 As shown, this utility model provides an openable window device for use on a power distribution cabinet door, which combines observation and safe operation functions. It includes an openable window device body 1, which is a plate-like structure with a through hole 11 in the middle. An upper mounting strip 12, a lower mounting strip 13, a left mounting strip 14, and a right mounting strip 15 are welded around the through hole 11. All four mounting strips are elongated. A spring-loaded carbon steel device 16 and a carbon steel positioning device 17 are provided on the side of the openable window device body 1 for connection to external equipment.

[0035] The main body 1 of the operable window device is made of a 2.0mm rectangular cold-rolled steel plate with a hole in the middle. The edges of the rectangular cold-rolled steel plate are bent into a rectangular groove shape.

[0036] The bottom and top of the main body 1 of the operable window device are provided with mounting holes 10 for the main body of the operable window device, which are used to install the spring carbon steel device 16 and the carbon steel positioning device 17, respectively.

[0037] The upper mounting strip 12, lower mounting strip 13, left mounting strip 14, and right mounting strip 15 are all made of 2.0mm cold-rolled steel plate. In this embodiment, the upper mounting strip 12 and lower mounting strip 13 are arranged in parallel, the left mounting strip 14 and right mounting strip 15 are arranged in parallel, and the upper mounting strip 12 and left mounting strip 14 are perpendicular to each other.

[0038] Both the upper mounting strip 12 and the left mounting strip 14 have an "n"-shaped cross-section. The upper mounting strip 12 has an upper mounting strip through hole 121, and the left mounting strip 14 has a left mounting strip through hole 141. The upper mounting strip through holes 121 and the left mounting strip through holes 141 are linearly distributed. The upper mounting strip 12 and the lower mounting strip 13 have the same structure, and the left mounting strip 14 and the right mounting strip 15 have the same structure.

[0039] The upper mounting strip 12 is 240mm long, the diameter of the through hole 121 is 5.4mm, and the distance between adjacent through holes 121 is 25mm. The left mounting strip 14 is 438mm long, and the diameter of the through hole 141 is the same as the diameter of the through hole 121 of the upper mounting strip.

[0040] An explosion-proof tempered glass 18 is installed on the main body 1 of the operable window device. The explosion-proof tempered glass 18 is provided with a first glass pressure strip 181 and a second glass pressure strip 182. The first glass pressure strip 181 and the second glass pressure strip 182 are connected to the main body 1 of the operable window device by bolts.

[0041] The first glass strip 181 is a rectangular strip structure with a first glass strip through hole 1811. The second glass strip 182 is a rectangular strip structure with a second glass strip through hole 1821. There are two of each type of glass strip, and the first glass strip 181 and the second glass strip 182 are arranged perpendicular to each other.

[0042] After passing through the first glass strip through hole 1811, the bolt engages with the upper mounting strip through hole 121, thereby bolting the first glass strip 181 to the upper mounting strip 12. Similarly, after passing through the second glass strip through hole 1821, the bolt engages with the left mounting strip through hole 141. The remaining first glass strip 181 and second glass strip 182 are then bolted to the lower mounting strip 13 and right mounting strip 15, respectively. Finally, the explosion-proof tempered glass 18 is fixed to the main body 1 of the operable window device.

[0043] The spring carbon steel device 16 includes a spring carbon steel body 161, a spring carbon steel connector 162, and a spring 163. The spring carbon steel body 161 is bent into an "L" shape, and the spring carbon steel connector 162 is in an "n" shape. The spring carbon steel body 161 passes through both ends of the spring carbon steel connector 162, and the spring 163 is sleeved on the spring carbon steel body 161 located inside the spring carbon steel connector 162. In this embodiment, the spring carbon steel device 16 is an existing mature device, such as a door hinge, model CL225-3.

[0044] The carbon steel positioning device 17 is a stepped column structure. The carbon steel positioning device 17 is welded to the main body 1 of the openable window device, and the end of the carbon steel positioning device 17 passes through the main body 1 of the openable window device.

[0045] The main body 1 of the operable window device is equipped with a handle rotary lock 19, which is connected to external equipment. The main body 1 of the operable window device has a handle through hole, through which the handle rotary lock 19 is connected to the main body 1 of the operable window device. The handle rotary lock 19 is a mature existing technology device, with product model MS714-2.

[0046] In the process of using this utility model, firstly, a component mounting box 2 is manufactured, and the component mounting box 2 is installed on the cabinet door 4 of the existing power distribution cabinet 3. Then, this utility model is installed on the component mounting box 2. The power distribution cabinet 3 adopts an existing low-voltage power distribution cabinet, such as a GGD cabinet or an MNS cabinet, and one of them is selected according to the usage requirements.

[0047] The component mounting box 2 includes a main body, which is made of 2.0mm cold-rolled steel plate into a plate structure. The main body is fixed with an upper threshold, a lower threshold, a left threshold and a right threshold on its four sides.

[0048] Cabinet door 4 has a through-hole, and the main body of the component mounting box is located inside the through-hole and welded to cabinet door 4. The main body 1 of the openable window device is connected to the component mounting box 2 via a spring carbon steel device 16 and a carbon steel positioning device 17. When the main body 1 of the openable window device is closed, it is flush with the surface of cabinet door 4, and there are no components protruding from cabinet door 4. The components can be clearly observed from the outside to judge the operation of the cabinet. When maintenance personnel need to operate the components, they only need to rotate the handle to rotate the lock 19 to quickly open the observation window for operation, and can also clean both sides of the observation window glass in the same way. It is no longer necessary to open cabinet door 4, avoiding contact with live parts inside the cabinet and greatly protecting personnel safety.

[0049] Those skilled in the art will recognize that the embodiments described herein are intended to help the reader understand the principles of this invention, and should be understood that the scope of protection of this invention is not limited to such specific statements and embodiments. Those skilled in the art can make various other specific modifications and combinations based on these technical teachings disclosed in this invention without departing from the essence of this invention, and these modifications and combinations are still within the scope of protection of this invention.

Claims

1. An openable window device for use on a distribution cabinet door, which combines observation and safe operation functions, characterized in that: The device includes an operable window device body (1), which is a plate-shaped structure. The operable window device body (1) has an operable window device body through hole (11) in the middle. The operable window device body through hole (11) is surrounded by an upper mounting strip (12), a lower mounting strip (13), a left mounting strip (14), and a right mounting strip (15). The upper mounting strip (12), lower mounting strip (13), left mounting strip (14), and right mounting strip (15) are all long strip structures. The operable window device body (1) is provided with a spring carbon steel device (16) and a carbon steel positioning device (17) on its side for connecting to external equipment.

2. The operable window device for use on a power distribution cabinet door, which combines observation and safe operation functions according to claim 1, is characterized in that: The main body (1) of the operable window device is made of a 2.0mm rectangular cold-rolled steel plate with a hole in the middle, and the edge of the rectangular cold-rolled steel plate is bent into a rectangular groove shape.

3. The operable window device for use on a power distribution cabinet door, which combines observation and safe operation functions according to claim 1, is characterized in that: The upper mounting strip (12), lower mounting strip (13), left mounting strip (14) and right mounting strip (15) are all made of 2.0mm cold-rolled steel plate.

4. The operable window device for use on a power distribution cabinet door, which combines observation and safe operation functions according to claim 1, is characterized in that: The upper mounting strip (12) and the left mounting strip (14) both have an "n" shaped cross section. The upper mounting strip (12) has an upper mounting strip through hole (121), and the left mounting strip (14) has a left mounting strip through hole (141). The upper mounting strip through holes (121) and the left mounting strip through holes (141) are linearly distributed. The upper mounting strip (12) and the lower mounting strip (13) have the same structure, and the left mounting strip (14) and the right mounting strip (15) have the same structure.

5. An openable window device for use on a power distribution cabinet door, which combines observation and safe operation functions according to claim 1, is characterized in that: The upper mounting strip (12) is 240mm long, the diameter of the upper mounting strip through hole (121) is 5.4mm, and the distance between adjacent upper mounting strip through holes (121) is 25mm; the left mounting strip (14) is 438mm long, and the diameter of the left mounting strip through hole (141) is the same as the diameter of the upper mounting strip through hole (121).

6. The operable window device for use on a power distribution cabinet door, which combines observation and safe operation functions according to claim 1, is characterized in that: The main body (1) of the operable window device is equipped with explosion-proof tempered glass (18), and the explosion-proof tempered glass (18) is provided with a first glass strip (181) and a second glass strip (182). The first glass strip (181) and the second glass strip (182) are connected to the main body (1) of the operable window device by bolts.

7. An openable window device for use on a power distribution cabinet door, which combines observation and safe operation functions according to claim 1, is characterized in that: The spring carbon steel device (16) includes a spring carbon steel body (161), a spring carbon steel connector (162), and a spring (163). The spring carbon steel body (161) is bent into an "L" shape, and the spring carbon steel connector (162) is in an "n" shape. The spring carbon steel body (161) passes through both ends of the spring carbon steel connector (162), and the spring (163) is sleeved on the spring carbon steel body (161) located inside the spring carbon steel connector (162).

8. An openable window device for use on a power distribution cabinet door, which combines observation and safe operation functions according to claim 1, is characterized in that: The carbon steel positioning device (17) is a stepped column structure. The carbon steel positioning device (17) is welded to the main body (1) of the openable window device, and the end of the carbon steel positioning device (17) passes through the main body (1) of the openable window device.

9. An openable window device for use on a power distribution cabinet door, which combines observation and safe operation functions according to claim 1, is characterized in that: The main body (1) of the openable window device is equipped with a handle rotary lock (19), which is connected to an external device.