CN215378198U - Full-insulation inflatable ring main unit - Google Patents
Full-insulation inflatable ring main unit Download PDFInfo
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- CN215378198U CN215378198U CN202121579896.5U CN202121579896U CN215378198U CN 215378198 U CN215378198 U CN 215378198U CN 202121579896 U CN202121579896 U CN 202121579896U CN 215378198 U CN215378198 U CN 215378198U
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Abstract
The utility model discloses a fully-insulated inflatable ring main unit which comprises a main body, an insulated airtight chamber, a fuse chamber and an output line chamber, wherein the insulated airtight chamber, the fuse chamber and the output line chamber are respectively and sequentially distributed in the main body from top to bottom, an airtight chamber sealing door is arranged at the front part of the insulated airtight chamber, a heat dissipation chamber is arranged in the insulated airtight chamber of the main body, a heat dissipation cavity is arranged between the insulated airtight chamber and the main body, the upper part of the heat dissipation cavity is communicated with the heat dissipation chamber, a plurality of heat dissipation strips are arranged outside the insulated airtight chamber, and a first heat dissipation fan is arranged in the heat dissipation chamber. According to the utility model, the heat dissipation cavity is arranged between the insulating airtight chamber and the cabinet body, the upper part of the heat dissipation cavity is communicated with the heat dissipation chamber, the first heat dissipation fan is arranged in the heat dissipation chamber, the first heat dissipation fan rotates to enable air to circulate in the heat dissipation cavity, so that heat dissipation is carried out on the insulating airtight chamber, the plurality of heat dissipation strips are arranged outside the insulating airtight chamber, the contact area between the heat dissipation strips and the air is increased, and the heat dissipation effect is improved.
Description
Technical Field
The utility model relates to the technical field of ring network switch cabinets, in particular to a fully-insulated inflatable ring network cabinet.
Background
Indoor alternating-current high-voltage gas insulated metal-enclosed switchgear (hereinafter referred to as 'fully insulated gas-filled cabinet') is a new generation of switchgear, a main switch can be a permanent magnet mechanism vacuum circuit breaker or a spring mechanism vacuum circuit breaker, and the high-voltage circuit breaker is combined with a sulfur hexafluoride gas compartment by adopting air insulation, is compact and expandable, and is suitable for distribution automation. The inflatable cabinet has the characteristics of compact structure, flexible operation, reliable interlocking and the like, and can provide satisfactory technical schemes for various application occasions (particularly places with severe environment) and different user requirements. The adoption of sensing technology and the latest protective relay, together with advanced technical performance and a light and flexible assembly scheme, can completely meet different requirements of users. The inflatable cabinet is suitable for small-sized secondary substations, switching stations, box-type substations, residential districts, industrial and mining enterprises and large markets of power systems, and is particularly suitable for occasions with higher requirements on electricity consumption, such as airports, subways, railways and the like.
In the prior art, in order to improve the sealing performance of a high-voltage circuit breaker of an inflatable cabinet (avoid generating high-voltage electric arcs and generating electric shock and electric leakage accidents during opening and closing), the high-voltage circuit breaker is wrapped in an insulating airtight chamber, so that the high-voltage circuit breaker is called a fully-insulating inflatable cabinet, but the heat dissipation effect is influenced because no heat dissipation facility exists although the insulating sealing performance is improved; as shown in fig. 1-2, which are structural diagrams of an inflatable ring main unit in the prior art, a main body 1 includes an insulating airtight chamber 2, a fuse chamber 3, and an output line chamber 4, which are sequentially distributed from top to bottom, wherein the insulating airtight chamber 2, the fuse chamber 3, and the output line chamber 4 are isolated from each other, no air flows through, no heat dissipation facility is provided outside the insulating airtight chamber 2, and the insulating airtight chamber 2 is in a high temperature state for a long time, and is also prone to electric leakage and fire accidents.
Therefore, it is necessary to provide a fully insulated inflatable ring main unit for solving the above problems.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned deficiencies in the prior art, the present invention provides a fully insulated inflatable ring main unit to solve the above-mentioned problems.
The utility model provides a full insulation aerifys looped netowrk cabinet, includes the cabinet body, insulating air-tight room, fuse room and output line room distribute in proper order respectively from top to bottom and set up at the internal of cabinet, the front portion of insulating air-tight room is provided with the air-tight room sealing door, the cabinet body is provided with the heat dissipation room in insulating air-tight room, be provided with the heat dissipation cavity between insulating air-tight room and the cabinet body, the upper portion and the heat dissipation room intercommunication of heat dissipation cavity, insulating air-tight room outside is provided with a plurality of heat dissipation strip, install first radiator fan in the heat dissipation room.
Preferably, the front part of the heat dissipation chamber is provided with a first heat dissipation mesh.
Preferably, a first filter screen is arranged on the first heat dissipation mesh.
Preferably, the lower part of the heat dissipation cavity is communicated with a fuse chamber, and a first panel door is arranged at the front part of the fuse chamber.
Preferably, the fuse chamber communicates with an output line chamber in which a second heat dissipation fan is installed, and a front portion of the output line chamber is provided with a second panel door.
Preferably, the second panel is provided with a second heat dissipation mesh.
Preferably, the second heat dissipation mesh is provided with a second filter screen.
Preferably, the side of the cabinet body is provided with a construction file placing clamp.
Compared with the prior art, the heat dissipation air-tight chamber is provided with the heat dissipation cavity between the insulating air-tight chamber and the cabinet body, the upper part of the heat dissipation cavity is communicated with the heat dissipation chamber, the heat dissipation chamber is internally provided with the first heat dissipation fan, the first heat dissipation fan rotates to enable air to circulate in the heat dissipation cavity, and then the heat dissipation is carried out on the insulating air-tight chamber, the heat dissipation strips are arranged outside the insulating air-tight chamber, the contact area between the heat dissipation strips and the air is increased, and the heat dissipation effect is improved.
Drawings
Fig. 1 and fig. 2 are structural diagrams of an inflatable ring main unit in the prior art;
FIG. 3 is a structural diagram of the fully insulated inflatable ring main unit of the present invention;
FIG. 4 is a partial block diagram of the present invention;
FIG. 5 is a front view block diagram of the present invention;
FIG. 6 is a side view block diagram of the present invention;
FIG. 7 is a view of the internal structure of the insulating and hermetic chamber of the present invention;
FIG. 8 is a top view block diagram of FIG. 7;
FIG. 9 is a view showing the internal structure of a heat radiating chamber of the present invention;
FIG. 10 is a front view of the heat dissipation chamber of the present invention;
FIG. 11 is a second panel door construction of the present invention;
FIG. 12 is a schematic view of the airflow when the cooling fan of the present invention is rotated forward;
fig. 13 is a schematic view of air flow when the cooling fan of the present invention is rotated reversely.
Reference numbers in the figures: 1. a cabinet body; 2. an insulating and airtight chamber; 21. a hermetic chamber sealing door; 3. a fuse chamber; 4. an output wire chamber; 5. a heat dissipation chamber; 6. a heat dissipation cavity; 7. a heat dissipating strip; 8. a first heat dissipation fan; 51. a first heat dissipating mesh; 9. a first filter screen; 10. a first panel door; 11. a second heat dissipation fan; 12. a second panel door; 13. a second heat dissipating mesh; 14. a second filter screen; 15. constructing a file placing folder; 16. a first vent hole; 17. a second vent hole; 18. and a vent.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The embodiments of the utility model will be described in detail below with reference to the drawings, but the utility model can be implemented in many different ways as defined and covered by the claims.
As shown in fig. 3 in combination with fig. 4 to 13, a fully-insulated inflatable ring main unit includes a main body 1, an insulating airtight chamber 2, a fuse chamber 3 and an output line chamber 4, the insulating airtight chamber 2, the fuse chamber 3 and the output line chamber 4 are respectively distributed in the main body 1 from top to bottom, an airtight chamber sealing door 21 is disposed at the front portion of the insulating airtight chamber 2, a heat dissipation chamber 5 is disposed at the upper portion of the main body 1 above the insulating airtight chamber 2, a heat dissipation cavity 6 is disposed between the insulating airtight chamber 2 and the main body 1, the upper portion of the heat dissipation cavity 6 is communicated with the heat dissipation chamber 5, a plurality of heat dissipation strips 7 are disposed outside the insulating airtight chamber 2, and a first heat dissipation fan 8 is installed in the heat dissipation chamber 5.
Further, a first heat dissipation mesh 51 is provided at the front of the heat dissipation chamber 5.
The beneficial effects of the further technical scheme are that: the first heat dissipation meshes 51 are used for circulation (entrance and exit) of air.
Further, a first filter screen 9 is arranged on the first heat dissipation mesh 51.
The beneficial effects of the further technical scheme are that: the first filter screen 9 is used for filtering external air impurities to enter the heat dissipation cavity, and normal work of equipment in the cabinet body is influenced.
Further, the lower part of the heat dissipation cavity 6 is communicated with the fuse chamber 3, and a first panel door 10 is arranged at the front part of the fuse chamber 3.
Further, the fuse chamber 3 is communicated with an output line chamber 4, a second heat radiation fan 11 is installed in the output line chamber 4, and a second panel door 12 is arranged at the front part of the output line chamber 4.
The beneficial effects of the further technical scheme are that: the second heat dissipation fan 11 circulates air out of the line chamber, thereby achieving a heat dissipation effect.
Further, the second panel door 12 is provided with second heat radiating meshes 13.
The beneficial effects of the further technical scheme are that: the second heat dissipation mesh 13 facilitates air circulation.
Further, the second heat dissipation mesh 13 is provided with a second filter 14.
The beneficial effects of the further technical scheme are that: second filter 14 may facilitate the entry of outside air impurities into output cord chamber 4.
Further, a construction file placing clamp 15 is arranged on the side edge of the cabinet body 1.
The beneficial effects of the further technical scheme are that: the construction file placing folder 15 is used for placing construction or overhaul cards.
Compared with the prior art, the heat dissipation air-tight chamber has the advantages that the heat dissipation cavity 6 is arranged between the insulating air-tight chamber 2 and the cabinet body 1, the upper part of the heat dissipation cavity 6 is communicated with the heat dissipation chamber 4, the first heat dissipation fan is arranged in the heat dissipation chamber, the first heat dissipation fan 8 rotates to enable air to circulate in the heat dissipation cavity 6, and then the heat dissipation is carried out on the insulating air-tight chamber 2, the plurality of heat dissipation strips 7 are arranged outside the insulating air-tight chamber 2, the contact area between the heat dissipation strips 7 and the air is increased, and the heat dissipation effect is improved; meanwhile, the filter screen improves the air purity in the cabinet body, reduces air impurities, and can reduce electric shock and electric leakage accidents caused by the fact that the air contains conductive impurities.
On the premise of ensuring full insulation of inflation (the high-voltage circuit breaker is arranged in the insulating airtight chamber, air is continuously circulated in the cabinet body, the air also plays a role of inflation insulation, and external air impurities cannot enter under the filtering action), the heat dissipation function of the inflation cabinet is also improved, and the use effect of the inflation ring main unit is further improved.
Wherein, a vent 18 is arranged between the insulating airtight chamber 2 and the heat dissipation chamber 3, a first vent 16 is arranged between the insulating airtight chamber 2 and the fuse chamber 3, and a second vent 17 is arranged between the fuse chamber 3 and the output line chamber 4.
Sealing gaskets are arranged among the joints of the airtight chamber sealing door 21, the first panel door 10 and the second panel door 12 and the cabinet body 1, and the sealing performance of the sealing gaskets is improved.
The working principle is as follows: the cabinet comprises a cabinet body 1, an insulating airtight chamber 2, a fuse chamber 3 and an output line chamber 4, wherein the insulating airtight chamber 2, the fuse chamber 3 and the output line chamber 4 are sequentially distributed and arranged in the cabinet body 1 from top to bottom respectively, an airtight chamber sealing door 21 is arranged at the front part of the insulating airtight chamber 2, a heat dissipation chamber 5 is arranged at the upper part of the cabinet body 1 on the insulating airtight chamber 2, a heat dissipation cavity 6 is arranged between the insulating airtight chamber 2 and the cabinet body 1, the upper part of the heat dissipation cavity 6 is communicated with the heat dissipation chamber 5, a plurality of heat dissipation strips 7 are arranged outside the insulating airtight chamber 2, a first heat dissipation fan 8 is arranged in the heat dissipation chamber 2, a second heat dissipation fan 11 is arranged in the output line chamber 4, a second panel door 12 is arranged at the front part of the output line chamber 4, and the second panel door 12 is provided with a second heat dissipation mesh 13.
A high-voltage circuit breaker is arranged in the insulating airtight chamber 2, and an air charging bottle in the cabinet body 1 charges insulating gas (SF) into the insulating airtight chamber during operation6Or nitrogen) that passes current through the high voltage circuit breaker to the fuse of the fuse chamber 3, which outputs the current through the output line of the output line chamber.
Wherein high-voltage circuit breaker can produce electric arc at the closing floodgate or the combined floodgate in-process, avoids electric shock leakage accident that electric arc punctures the air and causes, then packs insulating gas in insulating airtight chamber 2, avoids electric arc to puncture the air.
In the working process, the first cooling fan 8 and the second cooling fan 11 are started to prevent the circuit equipment in the cabinet body 1 from insufficient heat dissipation and influencing the normal work of the circuit equipment; the first cooling fan 8 and the second cooling fan 11 start to work (the cooling fan rotates forward), as shown in fig. 12, the second cooling fan 9 enters external air into the output line chamber 4 from the second cooling mesh 13, air in the output line chamber 4 enters the fuse chamber 3 through the second vent hole 17, the air enters the cooling cavity 6 through the first vent hole 16, the air in the cooling cavity 6 enters the cooling chamber 5 through the vent hole 18, the air transfers the heat of the insulating airtight chamber 2 to the cooling fin 7 for cooling, and then the air is discharged through the first cooling mesh 51, so that the air circulates from bottom to top in the cabinet body 1 to play a role in cooling; air passes through second filter screen 14, and the filter screen filters air impurity, avoids air impurity to get into and influences electrical equipment normal use in the cabinet body 1.
The first cooling fan 8 and the second cooling fan 11 start to work (cooling fan rotates reversely), as shown in fig. 13, the first cooling fan 8 enters external air into the cooling chamber 5 from the first cooling mesh 51, air in the cooling chamber 5 enters the cooling cavity 6 through the vent 18, the air transfers heat of the insulating airtight chamber 2 to the cooling fin 7 to be cooled, air in the cooling cavity 6 enters the fuse chamber 3 through the first vent hole 16, air in the fuse chamber 3 enters the output line chamber 4 through the second vent hole 17 and then is discharged through the second cooling mesh 13, so that the air circulates from top to bottom in the cabinet body 1 to play a role in cooling; air filters air impurity through first filter screen 9, and first filter screen 9 filters air impurity, avoids air impurity to get into and influences electrical equipment normal use in the cabinet body 1, adopts above-mentioned two kinds of circulation of air direction (from top to bottom or by lower supreme) all can dispel the heat to the cabinet body 1 and insulating gas room 2.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. The utility model provides a looped netowrk cabinet is aerifyd to all insulation which characterized in that: including the cabinet body (1), insulating air-tight chamber (2), fuse room (3) and output line room (4) distribute in proper order respectively from top to bottom and set up in the cabinet body (1), the front portion of insulating air-tight chamber (2) is provided with air-tight chamber sealing door (21), the cabinet body (1) is provided with heat dissipation chamber (5) on the upper portion of insulating air-tight chamber (2), be provided with heat dissipation cavity (6) between insulating air-tight chamber (2) and the cabinet body (1), the upper portion and the heat dissipation chamber (5) intercommunication of heat dissipation cavity (6), insulating air-tight chamber (2) outside is provided with a plurality of heat dissipation strip (7), install first radiator fan (8) in heat dissipation chamber (5).
2. The fully insulated inflatable ring main unit as claimed in claim 1, wherein: the front part of the heat dissipation chamber (5) is provided with a first heat dissipation mesh (51).
3. The fully insulated inflatable ring main unit as claimed in claim 2, wherein: and a first filter screen (9) is arranged on the first heat dissipation mesh (51).
4. The fully insulated inflatable ring main unit as claimed in claim 1, wherein: the lower part of heat dissipation cavity (6) communicates in fuse room (3), fuse room (3) front portion is provided with first panel door (10).
5. The fully insulated inflatable ring main unit as claimed in claim 1, wherein: fuse room (3) and output line room (4) intercommunication, install second radiator fan (11) in output line room (4), the front portion of output line room (4) is provided with second panel door (12).
6. The fully insulated inflatable ring main unit as claimed in claim 5, wherein: the second panel door (12) is provided with second heat dissipation meshes (13).
7. The fully insulated inflatable ring main unit as claimed in claim 6, wherein: and the second heat dissipation mesh (13) is provided with a second filter screen (14).
8. The fully insulated inflatable ring main unit as claimed in claim 1, wherein: the side of the cabinet body (1) is provided with a construction file placing clamp (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121579896.5U CN215378198U (en) | 2021-07-12 | 2021-07-12 | Full-insulation inflatable ring main unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121579896.5U CN215378198U (en) | 2021-07-12 | 2021-07-12 | Full-insulation inflatable ring main unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215378198U true CN215378198U (en) | 2021-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121579896.5U Active CN215378198U (en) | 2021-07-12 | 2021-07-12 | Full-insulation inflatable ring main unit |
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| CN (1) | CN215378198U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114937945A (en) * | 2022-06-09 | 2022-08-23 | 一鎏科技股份有限公司 | Environment-friendly high-pressure gas-filled cabinet |
-
2021
- 2021-07-12 CN CN202121579896.5U patent/CN215378198U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114937945A (en) * | 2022-06-09 | 2022-08-23 | 一鎏科技股份有限公司 | Environment-friendly high-pressure gas-filled cabinet |
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Address after: 443200 Xiannv Industrial Park, Zhijiang City, Yichang City, Hubei Province Patentee after: Hubei Dongming Electric Co.,Ltd. Address before: 443200 Xiannv Industrial Park, Zhijiang City, Yichang City, Hubei Province Patentee before: YICHANG DONGMING ELECTRICAL CO.,LTD. |