CN215733124U - Arcing-proof airflow device for centrally-mounted cabinet - Google Patents
Arcing-proof airflow device for centrally-mounted cabinet Download PDFInfo
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- CN215733124U CN215733124U CN202122095062.3U CN202122095062U CN215733124U CN 215733124 U CN215733124 U CN 215733124U CN 202122095062 U CN202122095062 U CN 202122095062U CN 215733124 U CN215733124 U CN 215733124U
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Abstract
The utility model relates to the field of arc-burning prevention airflow of a centrally-mounted cabinet, and discloses an arc-burning prevention airflow device for the centrally-mounted cabinet. First closure plate is articulated with the main part and is set up, has formed the measure of the first arc air current that falls of cutting, through setting up the baffle, has formed the second and has cut the measure, through the articulated setting of base plate with the articulated slab, has formed the third and has cut the measure, and the baffle is mutually supported with the board of delaying, forms labyrinth structure, weakens the impact force of arc air current greatly, makes the loss reduce to the minimum, and can not have the object that surpasss weight and fly out and put the cabinet in, accord with international standard.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to the field of arc-burning-proof airflow of a centrally installed switchgear, in particular to an arc-burning-proof airflow device used on the centrally installed switchgear.
[ background of the utility model ]
Put the cabinet in and be arranged in as the independent cabinet of putting of medium and small capacity among the distribution system, be fit for mill, mine, harbour, station, place such as residential district and underground installation uses, put the cabinet in the current often in order to consider the influence of arcing air current, need set up certain precaution to the business turn over wind gap department of putting the cabinet in, the damage that causes personnel is washed out to the arcing air current of exempting from, but current precaution's effect is not good, often only set up the baffle and keep apart, lead to its preventive effect not good, when exploding, major possession object and arcing air current rush out, easily cause the damage to the staff, and the easy blowout is greater than 60 g's object, do not reach international standard.
[ summary of the utility model ]
The utility model aims to solve the problems and provides an arc-burning prevention airflow device for a centrally-mounted cabinet, which solves the problems that the existing arc-burning prevention airflow device has poor arc-burning prevention airflow effect,
easily spray out large objects, easily hurt people and not conform to the international standard.
In order to achieve the purpose, the utility model adopts the following technical scheme:
an arc-burning prevention airflow device for a centrally installed switchgear comprises a frame body, a door plate, a sealing plate, a hollow part, a baffle and a delay plate, wherein the door plate is arranged on one side of the frame body, the sealing plate is arranged between the frame bodies, the hollow part is arranged between the sealing plate and the frame body, the baffle is arranged in the hollow part, one end of the baffle is connected with the door plate, the delay plate is arranged in the hollow part, the delay plate is positioned below the baffle, and one end of the delay plate is connected with the sealing plate;
the sealing plate comprises a main body, a ventilation opening and a first blocking plate, the ventilation opening is arranged at the upper half part of the main body, the ventilation opening is communicated with the interior of the middle cabinet, the first blocking plate is arranged below the ventilation opening and is hinged with the main body, shock waves caused by the explosion of the arcing gas flow impact the first blocking plate, and the first blocking plate falls down towards the direction of the vacant part;
the delay plate comprises a base plate, a hinged plate and a first vertical plate, the base plate is connected with the main body, one end of the hinged plate is hinged to the base plate, the other end of the hinged plate is connected with the first vertical plate, blasting airflow passing through the first blocking plate and the baffle plate impacts the hinged plate, and the hinged plate falls down towards the direction of the hollow part to further block arcing airflow.
Preferably, the door panel comprises a first air inlet, and the first air inlet is formed in the bottom of the door panel.
Preferably, a first stainless steel wire mesh is arranged in the first air inlet, and the diameter of the first stainless steel wire mesh is not smaller than 0.5 mm.
Preferably, the door panel further comprises a second air inlet and a pressure relief frame, the pressure relief frame is arranged between the frame bodies, the pressure relief frame is located below the retardation plate, the second air inlet is arranged on the door panel and opposite to the pressure relief frame, and the second air inlet is located above the first air inlet.
Preferably, a second stainless steel wire mesh is arranged in the pressure relief frame, and the diameter of the second stainless steel wire mesh is not smaller than 0.5 mm.
Preferably, the second air inlet is arranged in an arc shape, and an arc opening of the second air inlet is arranged downwards.
Preferably, the thickness of the first blocking plate is 2 mm.
Preferably, the thickness of the baffle is 3 mm.
Preferably, the thickness of the retardation plate is 1.5 mm.
The contribution of the utility model lies in: according to the utility model, the first blocking plate is hinged with the main body, a first measure for cutting off the arcing gas flow is formed, the second measure for cutting off the arcing gas flow is formed by arranging the baffle plate, the third measure for cutting off the arcing gas flow is formed by hinging the base plate and the hinged plate, and the baffle plate and the retardation plate are matched with each other to form a labyrinth structure, so that the impact force of the arcing gas flow is greatly weakened, the loss is reduced to the minimum, no object exceeding the weight flies out of the built-in cabinet, and the labyrinth structure meets the international standard.
[ description of the drawings ]
FIG. 1 is an enlarged schematic view of portion A of FIG. 2;
FIG. 2 is a side sectional view of the present invention;
FIG. 3 is a schematic structural diagram of one embodiment of the present invention;
FIG. 4 is a schematic structural view of a door panel of the present invention;
FIG. 5 is a schematic structural view of the closure plate of the present invention;
FIG. 6 is a schematic structural view of a baffle of the present invention;
FIG. 7 is a schematic view of the construction of the retardation plate of the present invention;
FIG. 8 is a schematic structural view showing the positional relationship between the shutter and the retardation plate according to the present invention;
wherein: the air conditioner comprises a frame body 10, a door panel 20, a first pressure leakage 21, a second air inlet 22, a pressure leakage frame 23, a sealing plate 30, a main body 31, an air vent 32, a first sealing plate 33, a vacant part 40, a baffle 50, a delay plate 60, a base plate 61, a hinge plate 62 and a first vertical plate 63.
[ detailed description ] embodiments
The following examples are further illustrative and supplementary to the present invention and do not limit the present invention in any way.
As shown in fig. 1 to 8, an arc-burning prevention airflow device for a centrally installed switchgear includes a frame 10, a door panel 20, a sealing plate 30, a hollow portion 40, a baffle plate 50, and a retardation plate 60, wherein the door panel 20 is disposed on one side of the frame 10, the sealing plate 30 is disposed between the frame 10, the hollow portion 40 is disposed between the sealing plate 30 and the frame 10, the baffle plate 50 is disposed in the hollow portion 40, one end of the baffle plate 50 is connected to the door panel 20, the retardation plate 60 is disposed in the hollow portion, the retardation plate 60 is located below the baffle plate 50, and one end of the retardation plate 60 is connected to the sealing plate 30;
the sealing plate 30 comprises a main body 31, a vent 32 and a first blocking plate 33, wherein the vent 32 is arranged at the upper half part of the main body 31, the vent 32 is communicated with the inside of the centrally-installed switchgear, the first blocking plate 33 is arranged below the vent 32, the first blocking plate 33 is hinged with the main body 31, shock waves caused by the explosion of the arcing gas flow strike the first blocking plate 33, and the first blocking plate 33 falls down towards the direction of the vacant part 40;
the retardation plate 60 comprises a base plate 61, a hinged plate 62 and a first vertical plate 63, wherein the base plate 61 is connected with the main body 31, one end of the hinged plate 62 is hinged with the base plate 61, the other end of the hinged plate 62 is connected with the first vertical plate 63, the blast airflow passing through the first blocking plate 33 and the baffle plate 50 impacts the hinged plate 62, and the hinged plate 62 falls down towards the direction of the vacancy 40 to further block the arcing airflow.
The arc-burning prevention airflow device mainly comprises a door panel 20, a sealing plate 30, a hollow part 40, a baffle plate 50 and a delay plate 60, when the built-in cabinet explodes, arc-burning airflow outwards gushes out, firstly passes through a first blocking plate 33 and a vent 32 on the sealing plate 30, part of the arc-burning airflow enters the hollow part 40 through the vent 32, and part of the arc-burning airflow impacts the first blocking plate 33, so that the strong impact force can cause the first blocking plate 33 to topple over at the hinged part of the main body 31, thereby leading the first blocking plate 33 to topple over towards the hollow part 40, further blocking the hollow part 40, organizing the arc-burning airflow rushing out of the built-in cabinet, preventing objects larger than 60g from rushing out and reaching the international standard, wherein the first blocking plate 33 can cut the impact of the arc-burning airflow to a certain degree, which is the first precaution measure, if the airflow generated by the explosion of the arc-burning airflow is too large and too strong, the hinge joint between the first blocking plate 33 and the main body 31 is broken, at this time, the first blocking plate 33 falls into the hollow portion 40, and the arc gas flow cannot be continuously resisted, at this time, the baffle 50 and the retardation plate 60 in the hollow portion 40 respectively take a second precaution and a third precaution, first, the arc gas flow enters the hollow portion 40 after passing through the first blocking plate 33, strong gas flow first impacts the baffle 50, the impact force of partial arc gas flow is counteracted by the baffle 50, and the baffle 50 repeatedly impacts the retardation plate 60 for many times, the retardation plate 60 can further weaken the impact force of the arc gas flow, if the arc gas flow still has large impact force, because the top of the base plate 61 and the hinge plate 62 are hinged, the hinge plate 62 falls towards the hollow portion 40 after being impacted by the gas flow, blocks the hollow portion 40, after many times of impacts, the hinged relationship of hinge plate 62 to base plate 61 will break, allowing hinge plate 62 to drop into the space 40, after the arc gas flow is cut off three times through the first blocking plate 33, the baffle plate 50 and the hinged plate 62, the power is greatly reduced compared with the original strong impact, the residual arc gas flow can rush out of the middle cabinet from the first air inlet 21 and the second air inlet 22, specifically, the first air inlet 21 and the second air inlet 22 are taken as a fourth precaution measure, a first stainless steel wire mesh and a second stainless steel wire mesh are respectively installed at the pressure relief frames 23 of the first air inlet 21 and the second air inlet 22, and the diameters of the first stainless steel wire mesh and the second stainless steel wire mesh are not less than 0.5mm, so that objects with larger diameters or objects with weights of more than 60g can not be directly flushed out from the first air inlet 21 and the second air inlet 22, unnecessary damage is avoided, and the national pressure relief standard is met.
According to the utility model, the first blocking plate 33 is hinged with the main body 31, a first measure for cutting off the arcing gas flow is formed, the baffle plate 50 is arranged, a second measure for cutting off the arcing gas flow is formed, the base plate 61 is hinged with the hinged plate 62, a third measure for cutting off the arcing gas flow is formed, and the baffle plate 50 and the retardation plate 60 are matched with each other to form a labyrinth structure, so that the impact force of the arcing gas flow is greatly weakened, the loss is reduced to the minimum, no object exceeding the weight flies out of the middle-placed cabinet, and the labyrinth structure meets the international standard.
In a further description, the door panel 20 includes a first air inlet 21, and the first air inlet 21 is disposed at a bottom of the door panel 20.
To be further described, a first stainless steel wire mesh is arranged in the first air inlet 21, and the diameter of the first stainless steel wire mesh is not less than 0.5 mm.
To be further described, the door panel 20 further includes a second air inlet 22 and a pressure relief frame 23, the pressure relief frame 23 is disposed between the frame bodies 10, the pressure relief frame 23 is located below the retardation plate 60, the second air inlet 22 is disposed on the door panel 20 at a position corresponding to the pressure relief frame 23, and the second air inlet 22 is located above the first air inlet 21.
In a further description, a second stainless steel wire mesh is arranged in the pressure relief frame 23, and the diameter of the second stainless steel wire mesh is not less than 0.5 mm.
In a further description, the second air inlet 22 is disposed in an arc shape, and an arc opening of the second air inlet is disposed downward.
The arc opening sets up downwards for the arcing air current sprays downwards when dashing out and put the cabinet in, can not cause the damage to the people.
To explain further, the thickness of the first blocking plate 33 is 2 mm.
More specifically, the thickness of the baffle 50 is 3 mm.
To explain further, the thickness of the retardation plate 60 is 1.5 mm.
Although the present invention has been described with reference to the above embodiments, the scope of the present invention is not limited thereto, and modifications, substitutions and the like of the above members are intended to fall within the scope of the claims of the present invention without departing from the spirit of the present invention.
Claims (9)
1. The utility model provides a prevent arcing airflow device for put on cabinet which characterized in that: the door comprises a frame body, door plates, sealing plates, a hollow part, a baffle and a delay plate, wherein the door plates are arranged on one side of the frame body, the sealing plates are arranged between the frame body, the hollow part is arranged between the sealing plates and the frame body, the baffle is arranged in the hollow part, one end of the baffle is connected with the door plates, the delay plate is arranged in the hollow part, the delay plate is positioned below the baffle, and one end of the delay plate is connected with the sealing plates;
the sealing plate comprises a main body, a ventilation opening and a first blocking plate, the ventilation opening is arranged at the upper half part of the main body, the ventilation opening is communicated with the interior of the middle cabinet, the first blocking plate is arranged below the ventilation opening and is hinged with the main body, shock waves caused by the explosion of the arcing gas flow impact the first blocking plate, and the first blocking plate falls down towards the direction of the vacant part;
the delay plate comprises a base plate, a hinged plate and a first vertical plate, the base plate is connected with the main body, one end of the hinged plate is hinged to the base plate, the other end of the hinged plate is connected with the first vertical plate, blasting airflow passing through the first blocking plate and the baffle plate impacts the hinged plate, and the hinged plate falls down towards the direction of the hollow part to further block arcing airflow.
2. An arcing prevention airflow device for a centrally installed cabinet, according to claim 1, wherein: the door plate comprises a first air inlet, and the first air inlet is formed in the bottom of the door plate.
3. An arcing prevention airflow device for a centrally installed cabinet according to claim 2, wherein: a first stainless steel wire net is arranged in the first air inlet, and the diameter of the first stainless steel wire net is not smaller than 0.5 mm.
4. An arcing prevention airflow device for a centrally installed cabinet according to claim 2, wherein: the door plant still includes second air intake and pressure release frame, the pressure release frame is located between the framework, just the pressure release frame is located the below of delaying the board, the second air intake locate on the door plant with the position that the pressure release frame is relative to, just the second air intake is located the top of first air intake.
5. An arcing prevention airflow device for a centrally installed cabinet according to claim 4, wherein: and a second stainless steel wire mesh is arranged in the pressure relief frame, and the diameter of the second stainless steel wire mesh is not less than 0.5 mm.
6. An arcing prevention airflow device for a centrally installed cabinet according to claim 4, wherein: the second air inlet is arranged in an arc shape, and an arc opening of the second air inlet is arranged downwards.
7. An arcing prevention airflow device for a centrally installed cabinet, according to claim 1, wherein: the thickness of the first plugging plate is 2 mm.
8. An arcing prevention airflow device for a centrally installed cabinet, according to claim 1, wherein: the thickness of the baffle is 3 mm.
9. An arcing prevention airflow device for a centrally installed cabinet, according to claim 1, wherein: the thickness of the retardation plate is 1.5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122095062.3U CN215733124U (en) | 2021-09-01 | 2021-09-01 | Arcing-proof airflow device for centrally-mounted cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122095062.3U CN215733124U (en) | 2021-09-01 | 2021-09-01 | Arcing-proof airflow device for centrally-mounted cabinet |
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| Publication Number | Publication Date |
|---|---|
| CN215733124U true CN215733124U (en) | 2022-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122095062.3U Active CN215733124U (en) | 2021-09-01 | 2021-09-01 | Arcing-proof airflow device for centrally-mounted cabinet |
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| Country | Link |
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| CN (1) | CN215733124U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113644576A (en) * | 2021-09-01 | 2021-11-12 | 广东中盛纳科技有限公司 | Centrally installed switchgear capable of meeting temperature rise and arcing requirements |
-
2021
- 2021-09-01 CN CN202122095062.3U patent/CN215733124U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113644576A (en) * | 2021-09-01 | 2021-11-12 | 广东中盛纳科技有限公司 | Centrally installed switchgear capable of meeting temperature rise and arcing requirements |
| CN113644576B (en) * | 2021-09-01 | 2024-07-26 | 广东中纳电气集团有限公司 | Centrally installed switchgear meeting temperature rise and arcing requirements |
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Address after: 528000 No. 2, industrial zone of "Da Keng Gang" section of Xiaotang Dongbian village committee, Shishan town, Nanhai District, Foshan City, Guangdong Province Patentee after: Guangdong Zhongna Electric Group Co.,Ltd. Address before: 528000 No. 2, industrial zone of "Da Keng Gang" section of Xiaotang Dongbian village committee, Shishan town, Nanhai District, Foshan City, Guangdong Province Patentee before: Guangdong zhongshengna Technology Co.,Ltd. |