CN215073247U - Ring main unit circuit breaker safety sealing device - Google Patents

Abstract

The utility model belongs to the technical field of the circuit breaker, a looped netowrk cabinet circuit breaker safety seal device is provided. The utility model relates to a looped netowrk cabinet circuit breaker safety seal device includes: the gas generator is communicated with the sealed main cover body through the sealed group valve; the sealing main cover body is formed by integral punch forming and is provided with more than one charging opening; the seal group valve is arranged on the charging port; the gas generator can generate a protective gas charging port and enters the sealing group cover through the sealing group valve. Foretell looped netowrk cabinet circuit breaker safety seal device can improve holistic leakproofness, increase of service life. The device has reasonable structure, convenient design and simple use; is suitable for industrial popularization.

Description

Ring main unit circuit breaker safety sealing device

Technical Field

The utility model relates to a circuit breaker technical field, concretely relates to looped netowrk cabinet circuit breaker safety seal device.

Background

The ring main unit equipment is used for a ring main line and is usually installed in a road green belt, the problems of dust, rainwater and dirt are serious, the stability of a circuit breaker mechanism is seriously influenced, the circuit breaker mechanism is a very important core part in the ring main unit equipment, and the technical performance parameters of the mechanism are a key core index for the acceptance of switch equipment.

Therefore, a high-tightness ring main unit is needed, so that dust, rainwater and dirt are reduced when the circuit breaker works, and the service life of the whole equipment of the device is prolonged.

SUMMERY OF THE UTILITY MODEL

To the defect among the prior art, the utility model provides a looped netowrk cabinet circuit breaker safety seal device to improve holistic leakproofness, increase of service life.

The utility model provides a pair of looped netowrk cabinet circuit breaker safety seal device, include: the gas generator is communicated with the sealed main cover body through the sealed group valve; the sealing main cover body is formed by integral punch forming and is provided with more than one charging opening; the seal group valve is arranged on the charging port; the gas generator can generate a protective gas charging port and enters the sealing group cover through the sealing group valve.

Further, the method also comprises the following steps: the expansion inner layer is arranged in the sealing main cover body and is communicated with external protective gas. In actual work, the expansion inner layer is made of plastic, through the design, the expansion inner layer can expand to the upper inner surface and the lower inner surface of the sealing main cover body under the filling of external air, and therefore the sealing performance is effectively improved

Further, the expanded inner layer further comprises a flash point, and the flash point is arranged in the expanded inner layer; the quick-frying point is provided with a temperature sensing piece and expansion powder, and the temperature sensing piece is arranged in the expansion powder; the temperature sensing element can receive temperature changes, and the powder expansion can be rapidly expanded in the changes of the temperature sensing element. In practice, to reduce the occurrence of accidents, the design is similar to that of a quick life buoy, and the expansion powder of the quick explosion point is quickly expanded to expand the inner layer. And the main sealing cover body is quickly abutted, so that the main sealing cover body can be filled with protective gas when exposed fire and other temperature changes occur, the sealing performance is realized, and the outer surface of the main sealing cover body is combusted after expansion and fire, so that the protective gas can be released, and accidents are reduced.

Furthermore, the temperature sensing element is electrically connected with the gas generator, and the temperature sensing element is electrically connected with the sealing group valve. In practical application, after the temperature sensing element senses large temperature change, namely open fire occurs, the sealing group valve is opened, and the gas generator fills protective gas into the sealing main cover body, wherein the protective gas is nitrogen, of course.

The sealing main cover body is a hollow frame body, and the sealing assembly comprises a sealing rubber strip, a sealing ring and an outer mounting panel; the outer installation panel is embedded in the hollow frame body; the sealing ring is arranged on the surface of the hollow frame body; and the sealing rubber strip is fused and packaged at the joint surface of the outer mounting panel and the sealing main cover body. In practical application, the sealing assembly further improves the sealing performance and prolongs the service life.

Further, the outer mounting panel is also provided with a solid pendant. In the actual application, through solid pendant, realize the device is whole to be installed and fixed.

According to the above technical scheme, the utility model provides a pair of looped netowrk cabinet circuit breaker safety seal device's beneficial effect:

(1) in actual work, the sealing main cover body is formed in an integrated punching mode, so that the sealing performance is improved; the adopted main sealing cover body is made of 304 stainless steel, so that the corrosion is further reduced, and the sealing performance is improved.

(2) Meanwhile, protective gas is filled into the sealed main cover body to form safe gas for isolating oxygen, so that the occurrence of corrosion and safety accidents is reduced.

(3) And the gas generated by the gas generator is controlled by adopting a sealing group valve to enter the sealing main cover body.

Drawings

In order to more clearly illustrate the embodiments of the present invention, the drawings that are needed to describe the embodiments or the prior art will be briefly described below. In all the drawings, the elements or parts are not necessarily drawn to actual scale.

FIG. 1 is a schematic view of the present invention;

FIG. 2 is an enlarged view of a portion a shown in FIG. 1;

reference numerals: the gas generator comprises a main sealing cover body 1, a charging port 11, a sealing group valve 2, a gas generator 3, an expansion inner layer 4, a quick explosion point 41, a temperature sensing element 411, expansion powder 412, a sealing assembly 5, a sealing rubber strip 51, a sealing ring 52, an outer mounting panel 53 and a solid hanging piece 531.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

The embodiment is basically as shown in the attached figures 1 to 2:

example 1:

as shown in fig. 1-2, the embodiment provides a ring main unit circuit breaker safety sealing device to improve the overall sealing performance and prolong the service life. It includes: the device comprises a sealing main cover body 1, a sealing group valve 2 and a gas generator 3, wherein the gas generator 3 is communicated with the sealing main cover body 1 through the sealing group valve 2; the sealing main cover body 1 is formed by integral punch forming, and the sealing main cover body 1 is provided with more than one filling port 11; the seal group valve 2 is arranged on the charging port 11; the gas generator 3 is capable of generating a protective gas charge port 11 and passing through the seal pack valve 2 into the seal pack housing. In actual work, the sealing main cover body 1 is formed in an integrated punching mode, so that the sealing performance is improved; the adopted material of the main sealing cover body 1 is 304 stainless steel, so that the corrosion is further reduced, and the sealing performance is improved. Meanwhile, protective gas is filled into the sealed main cover body 1 to form safe gas for isolating oxygen, so that the occurrence of corrosion and safety accidents is reduced. And the gas generated by the gas generator 3 is controlled by the sealing group valve 2 and enters the sealing main cover body 1.

In this embodiment, the method further includes: and the expansion inner layer 4 is arranged in the sealed main cover body 1, and the expansion inner layer 4 is communicated with external protective gas. In practical operation, the expansion inner layer 4 is made of plastic, through the design, the expansion inner layer 4 can expand to seal the upper inner surface and the lower inner surface of the main cover body 1 under the filling of external air, and therefore the sealing performance is improved more effectively.

In this embodiment, the expanded inner layer 4 further includes a flash point 41, the flash point 41 being provided in the expanded inner layer 4; the quick-frying point 41 is provided with a temperature sensing element 411 and expansion powder 412, and the temperature sensing element 411 is installed in the expansion powder 412; the temperature sensing element 411 can receive a temperature change, and the powder expansion can be rapidly expanded in the change of the temperature sensing element 411. In practice, to reduce the incidence of accidents, the design is similar to that of a quick life buoy, and the expansion of the inner layer 4 is achieved by the expansion powder 412 of the quick-fry spot 41 being rapidly expanded. And the main sealing cover body 1 is quickly abutted, so that the main sealing cover body 1 can be filled with protective gas when exposed fire and other temperature changes occur, the sealing performance is realized, and the outer surface of the main sealing cover body is combusted after expansion and fire, so that the protective gas can be released, and accidents are reduced.

In this embodiment, the temperature sensing element 411 is electrically connected to the gas generator 3, and the temperature sensing element 411 is electrically connected to the seal assembly valve 2. In practical application, after the temperature sensing element 411 senses a large temperature change, that is, an open fire occurs, the sealing group valve 2 is opened, and the gas generator 3 fills the protective gas into the sealing main cover body 1, wherein the protective gas is nitrogen, of course.

In this embodiment, the sealing device further includes a sealing assembly 5, the main sealing cover 1 is a hollow frame, and the sealing assembly 5 includes a sealing rubber strip 51, a sealing ring 52 and an outer mounting panel 53; the outer mounting panel 53 is embedded in the hollow frame; the sealing ring 52 is arranged on the surface of the hollow frame body; the sealing rubber strip 51 is fused and packaged at the joint surface of the outer mounting panel 53 and the main sealing cover 1. In practical application, the sealing assembly 5 further improves the sealing performance and prolongs the service life.

In this embodiment, the outer mounting panel 53 also has a solid pendant 531. In practical application, the device is integrally mounted and fixed through the solid hanger 531.

To sum up, this looped netowrk cabinet circuit breaker safety seal device not only can improve holistic leakproofness, and the protective gas that adopts simultaneously also can make the device meet inside naked light accident after, can release nitrogen gas, isolated burning has improved the device's whole security, and the outer installation face that adopts simultaneously more makes things convenient for the integral erection, and the device reasonable in design, simple structure is applicable to the trade and promotes.

In the specification of the present invention, a large number of specific details are explained. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims (6)

1. The utility model provides a looped netowrk cabinet circuit breaker safety seal device which characterized in that includes: the gas generator is communicated with the sealed main cover body through the sealed group valve;

the sealing main cover body is formed by integral punch forming and is provided with more than one charging opening;

the seal group valve is arranged on the charging port;

the gas generator can generate a protective gas charging port and enters the sealing group cover through the sealing group valve.

2. The ring main unit breaker safety seal device of claim 1, further comprising: the expansion inner layer is arranged in the sealing main cover body and is communicated with external protective gas.

3. The ring main unit circuit breaker safety seal arrangement as claimed in claim 2, wherein the expanded inner layer further comprises a flash point, the flash point being disposed in the expanded inner layer; the quick-frying point is provided with a temperature sensing piece and expansion powder, and the temperature sensing piece is arranged in the expansion powder; the temperature sensing member can receive temperature change, and the expansion powder can be rapidly expanded in the change of the temperature sensing member.

4. The safety seal device of the ring main unit breaker as claimed in claim 3, wherein the temperature sensing element is electrically connected to the gas generator, and the temperature sensing element is electrically connected to the seal set valve.

5. The ring main unit circuit breaker safety seal device as claimed in claim 4, further comprising a seal assembly, wherein the main seal cover body is a hollow frame body, and the seal assembly comprises a sealing rubber strip, a seal ring and an outer mounting panel; the outer installation panel is embedded in the hollow frame body; the sealing ring is arranged on the surface of the hollow frame body; and the sealing rubber strip is fused and packaged at the joint surface of the outer mounting panel and the sealing main cover body.

6. The ring main unit circuit breaker safety seal device as claimed in claim 5, wherein the outer mounting panel further has a solid hanging member.

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