CN218826888U - Switching system and air switch protection device - Google Patents
Switching system and air switch protection device Download PDFInfo
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- CN218826888U CN218826888U CN202222959319.XU CN202222959319U CN218826888U CN 218826888 U CN218826888 U CN 218826888U CN 202222959319 U CN202222959319 U CN 202222959319U CN 218826888 U CN218826888 U CN 218826888U
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- air switch
- protection device
- cabinet body
- cabinet
- fixing
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Abstract
The utility model discloses a switching system and air switch protection device, this air switch protection device, including the cabinet body with fix at the internal protection device of cabinet, wherein, the cabinet body is the metal cabinet, and wears to be equipped with air switch on the cabinet body, air switch's electrified contact is located the cabinet internally and just to cabinet side wall, protection device is including cutting off structure and fixed bolster, cuts off between the lateral wall that the structure is located the cabinet body and air switch's electrified contact, the fixed bolster is used for fixing air switch on the cabinet body. The switch system includes an air switch protection device and an air switch. The switch system and the air switch protection device separate the live contact of the air switch from the cabinet body through the separation structure, so that electrical isolation is realized, electrical hidden danger is prevented, and safe and stable operation of the air switch is ensured; the fixed support connects the partition structure with the cabinet body, so that the air switch can be conveniently installed on the cabinet body, and the application range of the air switch is effectively enlarged.
Description
Technical Field
The utility model belongs to the technical field of the protective apparatus, concretely relates to switching system and air switch protection device.
Background
An air switch, also known as an air circuit breaker, is a switch that automatically opens whenever the current in the circuit exceeds the rated current.
In the conventional design, air switch installs on the guide rail, but some air switch need fix on the panel of the cabinet body, and at this moment, air switch's binding post will be too near apart from the metal decking of the cabinet body, if air switch hugs closely the metal decking installation, then air switch's electrified contact only has its self contact protruding thickness (about 2 mm) apart from the distance of metal decking, and the short circuit or other potential safety hazards can appear in the distance undersize.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a switching system and air switch protection device for solve the above-mentioned problem that exists among the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
in a first aspect, the utility model provides an air switch protection device, including the cabinet body and fixing the internal protection device at the cabinet, wherein, the cabinet body is the metal cabinet, and wears to be equipped with air switch on the cabinet body, and air switch's electrified contact is located the cabinet internally and just to the cabinet side wall, and protection device is including cutting off structure and fixed bolster, cuts off the structure and is located between the lateral wall of the cabinet body and air switch's electrified contact, and the fixed bolster is used for fixing air switch on the cabinet body.
In one possible design, the partition structure is an insulating plate or an insulating gap, wherein the insulating plate is fixed between the side wall of the cabinet body and the live contact of the air switch through a fixing support, the insulating gap is the distance between the side wall of the cabinet body and the live contact of the air switch, and the insulating gap is larger than the thickness of the live contact.
In one possible design, the insulation gap is between 18-22 millimeters.
In one possible design, the insulating plate is made of mica, glass fiber or electroceramics.
In one possible design, the insulating plate is provided with a through groove adapted to the air switch.
In a possible design, the fixed support comprises a main body part adaptive to the air switch and a connecting part extending to the partition structure, the connecting part is provided with two ends respectively connected with the main body part, a fixed rod for fixing is arranged on the connecting part, and the fixed rod sequentially penetrates through the connecting part, the partition structure and the cabinet body.
In one possible design, the main body part is configured as a concave plate, the connecting part is plate-shaped, and the connecting part of the main body part and the connecting part is arranged in a transition arc shape.
In a second aspect, the present invention provides a switching system, comprising an air switch protection device and an air switch disposed on the air switch protection device.
Has the advantages that:
hidden dangers are eliminated through the protection device, wherein the partition structure partitions the live contact of the air switch and the cabinet body, so that electrical isolation is realized, the electrical hidden dangers are prevented, the safe and stable operation of the air switch is ensured, and the use safety is improved; the fixed support connects the partition structure with the cabinet body, so that the air switch can be conveniently installed on the cabinet body, and the application range of the air switch is effectively enlarged.
Meanwhile, the protection device has the advantages of simple structure, simplicity and convenience in operation and lower cost, the using effect is obvious, and the safe and stable operation of the air switch is effectively guaranteed.
The main part of air switch accomodates at the internal at the cabinet, and air switch's switch portion wears to establish to the external of cabinet to the staff controls air switch and air switch's break-make from the external cabinet, need not the cubical switchboard body, provides very big facility to electrified and the unable secondary control who has a power failure and open the door equipment such as similar transformer.
Drawings
Fig. 1 is a schematic side view of an air switch protection device when an insulating plate is selected as a partition structure.
Fig. 2 is a schematic top view of an air switch protection device when an insulating plate is selected as the partition structure.
Fig. 3 is a schematic side view of an air switch protection device when an insulation gap is selected for the partition structure.
In the figure:
1. a cabinet body; 2. a protection device; 21. fixing a bracket; 211. a main body portion; 212. a connecting portion; 201. an insulating plate; 202. an insulating gap; 3. an air switch; 301. a live contact; 4. and (6) fixing the rod.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be briefly described below with reference to the accompanying drawings and the description of the embodiments or the prior art, and it is obvious that the following description of the structure of the accompanying drawings is only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without any inventive work. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto.
Example (b):
as shown in fig. 1-3, the present embodiment provides an air switch protection device, including a cabinet body 1 and a protection device 2 fixed in the cabinet body 1, wherein the cabinet body 1 is a metal cabinet, and an air switch 3 is inserted into the cabinet body 1, a live contact 301 of the air switch 3 is located in the cabinet body 1 and faces a side wall of the cabinet body 1, the protection device 2 includes a partition structure and a fixing bracket 21, the partition structure is located between the side wall of the cabinet body 1 and the live contact 301 of the air switch 3, and the fixing bracket 21 is used for fixing the air switch 3 on the cabinet body 1.
Aiming at the problems in the prior art, the air switch protection device eliminates hidden troubles through the protection device 2, wherein the partition structure partitions the electrified contact 301 of the air switch 3 from the cabinet body 1, so that the electrical isolation is realized, the electrical hidden troubles are prevented, the safe and stable operation of the air switch 3 is ensured, and the use safety is improved; the fixed support 21 connects the partition structure with the cabinet body, so that the air switch 3 can be conveniently installed on the cabinet body 1, and the application range of the air switch 3 is effectively enlarged.
Meanwhile, the protection device 2 has the advantages of simple structure, simplicity and convenience in operation and lower cost, the using effect is obvious, and the safe and stable operation of the air switch 3 is effectively guaranteed.
Further, the main part of air switch 3 is accomodate in the cabinet body 1, and air switch 3's switch portion wears to establish to the cabinet body 1 outside to the staff controls air switch 3 and air switch 3's break-make from the cabinet body 1 is outer, need not the cubical switchboard body 1, provides very big facility to electrified and unable random the secondary control who has a power failure to open the door equipment such as similar transformer.
Then, during the installation, process out the cell body that is adapted to air switch 3 on the cabinet body 1 to wear to establish the switch portion of air switch 3 to the cabinet body 1 is outer. Before the air switch 3 is arranged in a penetrating way, a partition structure is arranged on the side wall of the cabinet body 1 to ensure that the partition structure is positioned between the side wall of the cabinet body 1 and the live contact 301 of the air switch 3 after the air switch 3 is arranged in a penetrating way. Finally, the air switch 3 is connected with the cabinet body 1 through the fixed bracket 21.
The following is further described with reference to the specific structure of the air switch protection device:
in a possible implementation manner, the partition structure is an insulating plate 201 or an insulating gap 202, where the insulating plate 201 is fixed between the sidewall of the cabinet 1 and the live contact 301 of the air switch 3 through the fixing bracket 21, the insulating gap 202 is a distance between the sidewall of the cabinet 1 and the live contact 301 of the air switch 3, and the insulating gap 202 is greater than the thickness of the live contact 301.
Based on the above design scheme, the insulation board 201 is made of an insulation material, and the insulation board 201 is located between the live contact 301 and the cabinet body 1 to physically separate the live contact from the cabinet body, so that the purpose of electrical isolation is achieved, and electrical hidden troubles are eliminated.
The insulation gap 202 is an air gap, that is, an air isolation mode is adopted to eliminate electrical hidden troubles, and the problem that the insulation board 201 is condensed to cause short circuit due to excessive environmental humidity and the possible occurrence is avoided, and potential safety hazards caused by the aging insulation weakening of the insulation board 201 are eliminated.
As shown in fig. 1, the insulating plate 201 is fixed to the cabinet 1 by a fixing bracket 21, and the fixing bracket fixes the air switch 3. As shown in fig. 3, the air switch 3 is clamped with the cabinet 1 by a clamping groove, and the fixing bracket 21 is used for fixing the tail of the air switch 3. In comparison, when the insulating plate 201 is selected as the partition structure, the stability of the air switch 3 after installation is better.
It is easy to understand that the user can select the insulating plate 201 or the insulating gap 202 according to the actual working requirement.
Preferably, the insulation gap 202 is between 18-22 millimeters. Based on this, more effectual safe and stable operation of having guaranteed equipment has avoided because of the too big insulating board 201 condensation that probably appears of ambient humidity leads to the circuit short circuit problem. Optionally, the insulation gap 202 includes, but is not limited to, 18 millimeters, 20 millimeters, and 22 millimeters.
In one possible implementation, the insulating plate 201 is made of mica, glass fiber or electroceramics. Based on the design scheme, mica and mica powder products have the characteristic of long-term corona resistance, are important components in the insulation structure of high-voltage equipment, and can also be used in high-temperature occasions. The glass has simpler process than ceramics, and can be used for manufacturing insulators. The glass fiber can be made into filament, cloth and belt, has much higher heat resistance than organic fiber, and plays an important role in the development of insulating structures towards high temperature. The electroceramic product has excellent discharge resistance and certain mechanical strength, and is especially suitable for high voltage transmission and distribution.
It is easy to understand that the worker can select a suitable material to manufacture the insulating plate 201 according to the actual use requirement.
In a possible implementation, the insulating plate 201 is provided with a through groove adapted to the air switch 3. Based on above-mentioned design, insulation board 201 is a whole promptly, and the cell body intercommunication on wear to establish groove and the cabinet body 1 to air switch 3's installation is convenient for.
Or, a plurality of insulating plates 201 are arranged, each insulating plate 201 cuts off at least one live contact 301, and the plurality of insulating plates 201 mutually enclose the through groove.
In a possible implementation manner, the fixing bracket 21 includes a main body portion 211 adapted to the air switch 3 and a connecting portion 212 extending to the partition structure, the connecting portion 212 is provided with two ends respectively connected to the main body portion 211, the connecting portion 212 is provided with a fixing rod 4 for fixing, and the fixing rod 4 sequentially penetrates through the connecting portion 212, the partition structure and the cabinet body 1.
Based on above-mentioned design, main part 211 joint is on air switch 3, realizes connecting through connecting portion 212, and connecting portion 212 passes through dead lever 4 and connects insulation board 201, has also realized the fixed of insulation board 201, and the structure is more compact, has also reached the purpose of simplifying the structure.
Alternatively, as shown in fig. 1, at least one fixing bracket 21 is provided outside the air switch 3, and adjacent fixing brackets 21 are spaced apart in the vertical direction. Based on this, the number of connection points is increased by the plurality of fixing brackets 21, which contributes to improvement of connection stability.
Optionally, the fixing rod 4 is made of bolts or screws, the bolts and the screws are standard parts, the standard parts are easy to purchase, and different specifications can be selected conveniently according to the size.
In one possible implementation manner, the main body portion 211 is configured as a concave plate, the connection portion 212 is shaped as a plate, the main body portion 211 and the connection portion 212 are integrally formed, and a connection portion of the main body portion 211 and the connection portion 212 is configured as a transitional arc.
Based on the above design scheme, the main body portion 211 and the connecting portion 212 are both constructed as plate structures, so that the contact area is effectively enlarged, and the stability after fixation is increased. Meanwhile, the uniformity of the structure is ensured through the integral forming process, the phenomenon of stress concentration is avoided, and the service life of the fixing support 21 is prolonged.
In this embodiment, a switching system is introduced on the basis of the air switch protection device, and the switching system includes the air switch protection device and an air switch 3 disposed on the air switch protection device.
A practical embodiment of the air switch protection device is provided, and the switching system expands the application range of the air switch 3 through the air switch protection device and can ensure the safety of the air switch 3 during the application process.
Finally, it should be noted that: the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides an air switch protection device, a serial communication port, including the cabinet body (1) with fix protection device (2) in the cabinet body (1), wherein, the cabinet body (1) is the metal cabinet, and wear to be equipped with air switch (3) on the cabinet body (1), electrified contact (301) of air switch (3) are located the cabinet body (1) and just to cabinet body (1) lateral wall, protection device (2) are including cutting off structure and fixed bolster (21), cut off the structure and are located between the lateral wall of the cabinet body (1) and electrified contact (301) of air switch (3), fixed bolster (21) are used for fixing air switch (3) on the cabinet body (1).
2. The air switch protection device according to claim 1, wherein the partition structure is an insulating plate (201) or an insulating gap (202), wherein the insulating plate (201) is fixed between the side wall of the cabinet (1) and the live contact (301) of the air switch (3) through a fixing bracket (21), the insulating gap (202) is a distance between the side wall of the cabinet (1) and the live contact (301) of the air switch (3), and the insulating gap (202) is greater than a thickness of the live contact (301).
3. Air switch protection device according to claim 2, characterized in that the insulation gap (202) is situated between 18-22 mm.
4. An air switch protection device according to claim 2, characterized in that the insulating plate (201) is made of mica, glass or electroceramics.
5. Air switch protection device according to claim 2, characterized in that the insulating plate (201) is provided with a through-going groove adapted to the air switch (3).
6. The air switch protection device according to claim 1, wherein the fixing bracket (21) comprises a main body portion (211) adapted to the air switch (3) and a connecting portion (212) extending to the partition structure, two connecting portions (212) are provided and respectively connected to two ends of the main body portion (211), a fixing rod (4) for fixing is provided on the connecting portion (212), and the fixing rod (4) sequentially penetrates through the connecting portion (212), the partition structure and the cabinet body (1).
7. The air switch protection device according to claim 6, wherein the main body portion (211) is configured as a concave plate, the connection portion (212) is plate-shaped, and a junction of the main body portion (211) and the connection portion (212) is configured as a transitional arc.
8. A switching system, characterized by comprising an air switch protection device according to any one of claims 1-7 and an air switch (3) arranged on the air switch protection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222959319.XU CN218826888U (en) | 2022-11-04 | 2022-11-04 | Switching system and air switch protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222959319.XU CN218826888U (en) | 2022-11-04 | 2022-11-04 | Switching system and air switch protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218826888U true CN218826888U (en) | 2023-04-07 |
Family
ID=87263144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222959319.XU Active CN218826888U (en) | 2022-11-04 | 2022-11-04 | Switching system and air switch protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218826888U (en) |
-
2022
- 2022-11-04 CN CN202222959319.XU patent/CN218826888U/en active Active
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| GR01 | Patent grant | ||
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Address after: 510000 No.15 Huashan Road, Shilou Town, Panyu District, Guangzhou City, Guangdong Province (factory building C) Patentee after: Guangzhou Junfa Electrical Equipment Co.,Ltd. Address before: 510000 No.15 Huashan Road, Shilou Town, Panyu District, Guangzhou City, Guangdong Province (factory building C) Patentee before: GUANGZHOU CRRC JUNFA ELECTRIC CO.,LTD. |