CN205921221U - Heavy current cabinet body flame -retardant arc device that admits air - Google Patents
Heavy current cabinet body flame -retardant arc device that admits air Download PDFInfo
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- CN205921221U CN205921221U CN201620961191.2U CN201620961191U CN205921221U CN 205921221 U CN205921221 U CN 205921221U CN 201620961191 U CN201620961191 U CN 201620961191U CN 205921221 U CN205921221 U CN 205921221U
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Abstract
The utility model discloses a heavy current cabinet body flame -retardant arc device that admits air, including installing cabinet body door, otter board and the main guard plate on the cabinet body, grid hole has been seted up on the cabinet body door, it has the otter board to cover behind the grid hole, main guard plate will the otter board crimping is in on the cabinet body door, main guard plate includes a first guard plate, two second guard plates, two third guard plates and two fourth guard plates, carries out fixed connection between first, second, third, the fourth guard plate, has seted up the through -hole on first, second, the third guard plate. The utility model provides a heavy current cabinet body flame -retardant arc device that admits air is realizing can preventing leaking of short circuit arcing when the outside air gets into to can prevent that outside debris from getting into in the cabinet body.
Description
Technical field
This utility model belongs to electrical equipment, particularly to a kind of anti-arcing device of high current cabinet air inlet.
Background technology
With social development, all trades and professions power consumption gets more and more, and the switch cubicle of high current also gets more and more, and electric current is got over
Greatly, the heat of generation is also increasing, and the various radiating mode methods of existing high-current switch are all to discharge hot-air,
Outside air is introduced, the position of introducing is all on the door of cabinet (Qianmen and back door), reduces the temperature in cabinet with this.
But realize also inevitably creating potential safety hazard while this function, if cabinet produces short-circuit arcing accident
When, the air introducing holes on cabinet body door have just become the outer drain port of arcing, once having personnel before this position, will produce the person
Security incident.And general producer is one layer of web plate of welding, simply welds one layer of web plate and can not stop arcing, some producers
Some simple protective plates can be increased, but structure is simple, is also to prevent arcing from leaking.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of anti-arcing device of high current cabinet air inlet, is realizing
Extraneous air can prevent leaking of short-circuit arcing while entrance, and is prevented from outside debris entrance cabinet.
For solving above-mentioned technical problem, the technical solution adopted in the utility model is:
A kind of anti-arcing device of high current cabinet air inlet, including cabinet body door, web plate and main protective plate, on described cabinet body door
Offer grid hole, the web plate being coated with after described grid hole, described web plate is crimped on described cabinet body door by described main protective plate
On, described main protective plate offers through hole.
In technique scheme, cabinet body door arranges grid hole, after grid hole, is coated with web plate, main protective plate is by net
Plate is crimped on described cabinet body door, and main protective plate offers through hole, both can realize the entrance of extraneous air, and web plate is also simultaneously
Can prevent outside debris from entering in cabinet, main protective plate can prevent leaking of short-circuit arcing.
As the improvement further of technique scheme, described main protective plate include first protective plate, two second
Protective plate, two the 3rd protective plates and two the 4th protective plates, described first protective plate has two corresponding and parallel
End face and second end face, and in two parallel end faces one end to link end face and be connected so that the section of described first protective plate
For ㄇ shape, described second, third, the 4th protective plate be respectively provided with two orthogonal first end faces and second end face, described
First, second, third protective plate along vertical cross-section direction end face identical length with, described second protective plate second end face with described
3rd protective plate second end face is identical along the width in parallel cut direction, and the distance of two parallel end faces of described first protective plate is big
In the width of described grid bore region, the sideline of two parallel end faces of described first protective plate is all contacted with described web plate；
Described first, second, third protective plate formed two groups connection, every group connect include second protective plate, one
One of 3rd protective plate and the first protective plate two parallel end faces, two groups of connections have identical setting, and every group connects specifically
For: described second protective plate first end face is formed a fixed connection with described first protective plate first end face, described second protective plate
First end face is less than described first protective plate first end face along the width in parallel cut direction, institute along the width in parallel cut direction
State between the second protective plate both ends of the surface connecting line and the sideline of described first protective plate first end face, described second protective plate first
Certain distance is all kept between end face sideline and described first protective plate link end face；From described in first protective plate first end face
Through hole is offered on region between first protective plate first end face sideline to the second protective plate both ends of the surface connecting line；Described second
Protective plate second end face sideline is fixedly connected in described 3rd protective plate first end face, described second protective plate second end face side
Line keeps certain distance, described 3rd protective plate first end face sideline and described net with described 3rd protective plate first end face sideline
Plate contacts, and described 3rd protective plate second end face sideline is fixedly connected in described second protective plate first end face, and described second
Through hole is all offered in protective plate second end face and described 3rd protective plate second end face；
Two described 4th protective plates are separately positioned at the both-side opening of the first protective plate, each described 4th protective plate
First end face described web plate is crimped on described cabinet body door, the opening of described first protective plate of homonymy is sealed by second end face
Block.
Being fixedly connected as between described first, second, third, fourth protective plate is welded.Described second protective plate and
The position of the through hole setting on three protective plates is not correspond to.
In technique scheme, main protective plate includes first, second, third, fourth protective plate, and first, second,
3rd, it is fixedly connected between the 4th protective plate, for example, is welded to connect, and opened up on first, second, third protective plate
Through hole, has been also carried out between main protective plate and cabinet body door being connected, thus extraneous air must sequentially pass through grid hole, web plate,
Three protective plate through holes, the second protective plate through hole, the first protective plate through hole could enter cabinet, and during in the event of arcing, arcing must
The first protective plate through hole must be sequentially passed through, the second protective plate through hole, the 3rd protective plate through hole, web plate, grid hole get to cabinet
In vitro, because the arc time is very short, only several seconds, and the multiple sedimentation through main protective plate, turnover, rising are it is impossible to reach
Outside cabinet, thus ensure that personal safety.
As the improvement further of technique scheme, described cabinet body door is provided with stud, described 4th protective plate
Be provided with fixing hole on end face, described stud pass through described web plate after with described 4th protective plate first end face pass through spring washer,
Plain cushion, nut connect, thus main protective plate is fixed on cabinet body door.
To sum up, a kind of anti-arcing device of high current of this utility model cabinet air inlet can while realizing extraneous air entrance
To prevent leaking of short-circuit arcing, and it is prevented from outside debris entrance cabinet.
Brief description
With reference to the accompanying drawings and detailed description this utility model is further detailed
Fig. 1 is structural representation of the present utility model
Fig. 2 is the sectional view along a-a for the Fig. 1
Fig. 3 is the sectional view along b-b for the Fig. 1
Fig. 4 is the structural representation of the first protective plate
Fig. 5 is the left view of Fig. 4
Fig. 6 is the top view of Fig. 5
Fig. 7 is the structural representation of the second protective plate
Fig. 8 is the right view of Fig. 7
Fig. 9 is the upward view of Fig. 8
Figure 10 is the structural representation of the 3rd protective plate
Figure 11 is the left view of Figure 10
Figure 12 is the top view of Figure 11
Figure 13 is the structural representation of the 3rd protective plate
Figure 14 is the top view of Figure 13
Specific embodiment
Specific embodiment of the present utility model is as shown in Figure 1, Figure 2 and Figure 3, in this embodiment, involved
The first protective plate 4, the second protective plate 5, the 3rd protective plate 6, the section of the 4th protective plate 7 each mean perpendicular to this protective plate end
The section of face tie line, the sideline of involved each end face each means on this end face perpendicular to its place protective plate cross section
Sideline, the length of involved end face each means this end face along the length perpendicular to its place protective plate cross-wise direction, involved
And to the width of end face each mean this end face along the width parallel to its place protective plate cross-wise direction.
As shown in figure 1, this anti-arcing device of high current cabinet 2 air inlet includes cabinet body door 1, the web plate being arranged on cabinet 22
3 and main protective plate, cabinet body door 1 offers grid hole 12, is coated with web plate 3, main protective plate in cabinet 2 after grid hole 12
Web plate 3 is crimped on cabinet body door 1 for side.
As shown in Fig. 2 main protective plate includes first protective plate 5, two the 3rd protective plates 6 of 4, two the second protective plates
And two the 4th protective plates 7, the first protective plate 4 has two corresponding and parallel first end faces and second end face, and two
Parallel end faces one end is connected so that the section of the first protective plate 4 is for ㄇ shape to link end face, and the second protective plate the 5, the 3rd protects
Plate 6, the 4th protective plate 7 are respectively provided with two orthogonal first end faces and second end face, the first protective plate 4, the second protective plate
5th, the 3rd protective plate 6 along the identical length in vertical cross-section direction with, the second protective plate 5 second end face and the 3rd protective plate 6 second
End face is identical along the width in parallel cut direction, and the distance of two parallel end faces of the first protective plate 4 is more than grid hole 12 region
Width, the sideline of two parallel end faces of the first protective plate 4 is all contacted with web plate 3；
First protective plate 4, the second protective plate 5, the 3rd protective plate 6 form two groups of connections, and every group of connection includes one second
One of 5, the 3rd protective plate 6 of protective plate and first 4 liang of parallel end faces of protective plate, two groups of connections have identical setting
Put, every group connects particularly as follows: the second protective plate 5 first end face is formed a fixed connection with the first protective plate 4 first end face, second prevents
Backplate 5 first end face is less than the first protective plate 4 first end face along the width in parallel cut direction along the width in parallel cut direction,
Between the sideline of the second protective plate 5 both ends of the surface connecting line and the first protective plate 4 first end face, the second protective plate 5 first end face side
Certain distance is all kept between line and the first protective plate 4 link end face；From the first protective plate 4 in first protective plate 4 first end face
First end face sideline offers through hole 8 on the region to the second protective plate 5 both ends of the surface connecting line；Second protective plate 5 second
End face sideline is fixedly connected in the 3rd protective plate 6 first end face, the second protective plate 5 second end face sideline and the 3rd protective plate 6
First end face sideline keeps certain distance, and the 3rd protective plate 6 first end face sideline is contacted with web plate 3, the 3rd protective plate 6 second
End face sideline is fixedly connected in the second protective plate 5 first end face, and the second protective plate 5 second end face offers through hole 9, and the 3rd prevents
Through hole 10 is offered on backplate 6 second end face, the position of through hole 9 and through hole 10 is not correspond to, formed and necessarily interlock；
As shown in figure 3, two the 4th protective plates 7 are separately positioned at the both-side opening of the first protective plate 4, each the 4th prevent
Web plate 3 is crimped on cabinet body door 1 first end face of backplate 7, and the opening of the first protective plate 4 of homonymy is blocked by second end face
Live.
In this embodiment, the first protective plate 4, the second protective plate 5, the 3rd protective plate 6, the 4th protective plate 7 it
Between be fixedly connected can be using welding, the degree of protection of described web plate 3 meet ip4x.
It is provided with stud on cabinet body door 1, the 4th protective plate 7 first end face is provided with fixing hole 11, stud passes through web plate 3
It is connected by spring washer, plain cushion, nut with the 4th protective plate 7 first end face afterwards, thus the 4th protective plate 7 will be consolidated main protective plate
It is scheduled on cabinet body door 1, also web plate 3 is crimped on cabinet body door 1 simultaneously.First end face and the second end due to the first protective plate 4
The sideline in face is all contacted with grid, by being fixedly connected of the 4th protective plate 7 and cabinet body door 1, the first protective plate 4 and two the 4th
Grid hole 12 can be closed by protective plate 7, simultaneously because the 3rd protective plate 6 first end face sideline is also contacted with web plate 3,
Air can not be circulated between the 3rd protective plate 6 first end face sideline and web plate 3.
When extraneous air enter cabinet 2 in when, air circulation direction as shown by arrows it is necessary to sequentially pass through grid hole 12,
Web plate 3, the 3rd protective plate 6 through hole, the second protective plate 5 through hole, the first protective plate 4 through hole, simultaneously web plate 3 be also prevented from outside
Debris enter in cabinet 2.During in the event of arcing, arcing must sequentially pass through the first protective plate 4 through hole, the second protective plate 5 leads to
Hole, the 3rd protective plate 6 through hole, web plate 3, grid hole 12 get to outside cabinet 2, because the arc time is very short, only several seconds, and
Through the multiple sedimentation of main protective plate, turnover, rising it is impossible to reach outside cabinet, thus ensure that personal safety.
Above in conjunction with the drawings and specific embodiments, further instruction is carried out to this utility model, but this utility model
It is not limited to above-mentioned specific embodiment, in the ken that those of ordinary skill in the art possess, can also not take off
Make a variety of changes on the premise of this utility model objective.
Claims (5)
1. a kind of anti-arcing device of high current cabinet air inlet is it is characterised in that include cabinet body door, web plate and main protective plate, institute
State and offer grid hole on cabinet body door, after described grid hole, be coated with web plate, described web plate is crimped on institute by described main protective plate
State on cabinet body door, described main protective plate offers through hole.
2. a kind of anti-arcing device of high current cabinet air inlet according to claim 1 is it is characterised in that described main protective plate
Including first protective plate, two the second protective plates, two the 3rd protective plates and two the 4th protective plates, described first prevents
Backplate has two corresponding and parallel first end faces and second end face, and is connected with linking end face in two parallel end faces one end
Knot so that the section of described first protective plate is ㄇ shape, described second, third, the 4th protective plate is respectively provided with two and is mutually perpendicular to
First end face and second end face, described first, second, third protective plate along vertical cross-section direction identical length with, described
Second protective plate second end face is identical along the width in parallel cut direction with described 3rd protective plate second end face, and described first prevents
The distance of two parallel end faces of backplate is more than the width of described grid bore region, the side of two parallel end faces of described first protective plate
Line is all contacted with described web plate；
Described first, second, third protective plate forms two groups of connections, every group connect include second protective plate, one the 3rd
One of protective plate and the first protective plate two parallel end faces, two groups connect and have an identical setting, and every group connects particularly as follows: institute
State the second protective plate first end face to form a fixed connection with described first protective plate first end face, described second protective plate first end
Face along parallel cut direction width be less than described first protective plate first end face along parallel cut direction width, described second
Between the sideline of protective plate both ends of the surface connecting line and described first protective plate first end face, described second protective plate first end face side
Certain distance is all kept between line and described first protective plate link end face；Anti- from described first in first protective plate first end face
Backplate first end face sideline offers through hole on the region to the second protective plate both ends of the surface connecting line；Described second protective plate
Second end face sideline is fixedly connected in described 3rd protective plate first end face, described second protective plate second end face sideline and institute
State the 3rd protective plate first end face sideline and keep certain distance, described 3rd protective plate first end face sideline is connected with described web plate
Touch, described 3rd protective plate second end face sideline is fixedly connected in described second protective plate first end face, described second protection
Through hole is all offered in plate second end face and described 3rd protective plate second end face；
Two described 4th protective plates are separately positioned at the both-side opening of the first protective plate, and the of each described 4th protective plate
Described web plate is crimped on described cabinet body door end face, and the opening of described first protective plate of homonymy is blocked by second end face
Live.
3. a kind of anti-arcing device of high current cabinet air inlet according to claim 2 is it is characterised in that described first,
2nd, being fixedly connected as between the three, the 4th protective plates is welded.
4. the anti-arcing device of a kind of high current cabinet air inlet according to Claims 2 or 3 is it is characterised in that described second
The position of the through hole setting on protective plate and the 3rd protective plate is not correspond to.
5. a kind of anti-arcing device of high current cabinet air inlet according to Claims 2 or 3 is it is characterised in that described cabinet
Door on be provided with stud, described 4th protective plate first end face is provided with fixing hole, described stud pass through described web plate after with
Described 4th protective plate first end face passes through spring washer, plain cushion, nut connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620961191.2U CN205921221U (en) | 2016-08-28 | 2016-08-28 | Heavy current cabinet body flame -retardant arc device that admits air |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620961191.2U CN205921221U (en) | 2016-08-28 | 2016-08-28 | Heavy current cabinet body flame -retardant arc device that admits air |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205921221U true CN205921221U (en) | 2017-02-01 |
Family
ID=57869549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620961191.2U Active CN205921221U (en) | 2016-08-28 | 2016-08-28 | Heavy current cabinet body flame -retardant arc device that admits air |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205921221U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109346938A (en) * | 2018-11-30 | 2019-02-15 | 江苏其厚智能电气设备有限公司 | A kind of miniaturization preassembled transformer station high-voltage board cable vault |
-
2016
- 2016-08-28 CN CN201620961191.2U patent/CN205921221U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109346938A (en) * | 2018-11-30 | 2019-02-15 | 江苏其厚智能电气设备有限公司 | A kind of miniaturization preassembled transformer station high-voltage board cable vault |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |