CN207572177U - The guard shield of dry-type transformer - Google Patents
The guard shield of dry-type transformer Download PDFInfo
- Publication number
- CN207572177U CN207572177U CN201721443362.3U CN201721443362U CN207572177U CN 207572177 U CN207572177 U CN 207572177U CN 201721443362 U CN201721443362 U CN 201721443362U CN 207572177 U CN207572177 U CN 207572177U
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- CN
- China
- Prior art keywords
- guard shield
- flase floor
- dry
- type transformer
- cover plate
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a kind of guard shield of dry-type transformer, including a housing main body and a plurality of radiator windows being opened on the housing main body.Each radiator window includes a flase floor and a punching cover plate.The flase floor is mounted on the frame of the radiator window.The punching cover plate is mounted on the outside of the flase floor.The punching cover plate has a plurality of heat emission holes.The waterproof sheet of the tilting of punching formation is covered on each heat emission hole.The guard shield of the utility model can not only meet cooling requirements, but also have both water-proof function.
Description
Technical field
The utility model is related to guard shields, particularly a kind of guard shield for dry-type transformer.
Background technology
The guard shield of dry-type transformer is mainly used for the security protection at operating transformer scene, avoids because of toy etc.
Foreign matter enters dry-type transformer and causes interruption of service, and can effectively protect personal safety simultaneously plays certain electromagnetic shielding action.According to
The degree of protection of guard shield, guard shield are generally divided into the plurality of specifications such as IP20, IP21, IP23, IP30, IP31, IP33,
Middle IP is the abbreviation of Ingress Protection (entering protection), and degree of protection mostly shows to prevent with IP followed by two numbers
The grade of shield：First digit representative prevents the grade that solid foreign materials enter, and highest level is 6；Second digit representative prevents
The grade of water inlet, highest level are 8.Since dry-type transformer also has certain requirement to the temperature and humidity of working environment, because
The guard shield of this dry-type transformer also needs to provide certain heat sinking function.
The protection of dry-type transformer generally uses the shell of IP20 at present, if disclosed in patent No. CN201520891560
It is a kind of guard shield of IP20.The usual heat dissipation area of guard shield of IP20 is smaller, therefore heat dissipation performance is limited.In addition, by
0 grade without special protection is only reached, therefore water resistance is to be improved in the waterproof rank of the guard shield of IP20.
In the case of there are certain particular demands, such as when aboard ship running dry-type transformer, just to dry type transformation
The water resistance of the guard shield of device proposes higher requirement, and the guard shield of IP20 can not meet this requirement.
Utility model content
In view of this, the utility model proposes a kind of guard shield of dry-type transformer, with higher water proofing property
Energy and better heat dissipation performance.The guard shield of this dry-type transformer includes a housing main body and is opened in the shell
A plurality of radiator windows in main body.Each radiator window includes a flase floor and a punching cover plate.The flase floor installation
On the frame of the radiator window.The punching cover plate is mounted on the outside of the flase floor, and with a plurality of heat emission holes.Each
The waterproof sheet of the tilting of punching formation is covered on the heat emission hole.
One side according to the present utility model, the top and both sides of the punching cover plate are the installation end of closing, are passed through
The installation end is mounted on the outside of the flase floor.The bottom of the punching cover plate is open free end.The bottom of punching cover plate
Portion is open free end, in the case where not influencing waterproof requirement, can further improve the heat dissipation performance of guard shield.
Another aspect according to the present utility model, the value range of the spacing between the punching cover plate and the flase floor
For 10mm to 100mm.Preferably, the spacing between the punching cover plate and the flase floor is 40mm.By setting punching cover
Meet certain spacing between plate and flase floor, can further improve the heat dissipation performance of guard shield.
It is according to the present utility model in another aspect, the spacing of the grid grizzly bar of the flase floor value range for 3mm extremely
The value range of 12mm, the grid grizzly bar of the flase floor and the angle of the panel of the housing main body is 10 ° to 80 °.It is described
The value range of the distance of the tilting of waterproof sheet is 1mm to 5mm.Preferably, the spacing of the grid grizzly bar of the flase floor is
10mm.The grid grizzly bar of the flase floor and the angle of the panel of the housing main body are 30 °.The tilting of the waterproof sheet
Distance is 5mm.Pass through the angle of the spacing and panel of grid grizzly bar and housing main body of grid grizzly bar that flase floor is set
Value can make guard shield meet the requirement of specific protection level.
Another aspect according to the present utility model, each radiator window further comprise：One waffle slab, is mounted on
On the inside of the flase floor.By further setting waffle slab, the degree of protection of guard shield can further improve.
Another aspect according to the present utility model, the mesh gap of the waffle slab is 2.5mm × 2.5mm, and line footpath is
0.36mm。
Another aspect according to the present utility model, the mesh gap of the waffle slab is 1.0mm × 1.0mm, and line footpath is
0.36mm.By setting the mesh gap of waffle slab and the value of line footpath, guard shield can be made to meet wanting for specific protection level
It asks.
From said program as can be seen that due to the utility model set on guard shield it is as much as possible it is a plurality of dissipate
Hot window, and each radiator window has both the Turbogrid plates of heat sinking function and foreign matter barrier functionality including at least one layer and one layer has both
The punching cover plate of heat sinking function and water-proof function so that the guard shield can not only meet cooling requirements, but also have both anti-
Water function.
Description of the drawings
The preferred embodiment that the utility model will be described in detail by referring to accompanying drawing below makes the ordinary skill people of this field
Member becomes apparent from the above and other feature and advantage of the utility model, in attached drawing：
Fig. 1 to Fig. 5 is the structure diagram of the guard shield of the dry-type transformer in the utility model one embodiment.Its
In, Fig. 1 is the view that guard shield is located at high voltage side of transformer.Fig. 2 is the view that guard shield is located at step down side.Figure
3 be the left view of view shown in Fig. 1.Fig. 4 is the vertical view of view shown in Fig. 1.Fig. 5 is the A-A of radiator window shown in Fig. 1 to cuing open
View.
Fig. 6 is the structure diagram of the radiator window of the transformer protective casing in the utility model another embodiment.
Wherein, reference numeral is as follows：
| Label | Meaning |
| 10 | Transformer protective casing |
| 100 | Housing main body |
| 110 | Panel |
| 200 | Radiator window |
| 210 | Flase floor |
| 211 | Grid grizzly bar |
| 220 | Punching cover plate |
| 221 | Heat emission hole |
| 222 | Waterproof sheet |
| 223 | Installation end |
| 230 | Waffle slab |
Specific embodiment
To make the purpose of this utility model, technical solution and advantage clearer, by the following examples to the utility model
It is further described.
With reference to shown in Fig. 1 to Fig. 5, the guard shield 10 of the dry-type transformer of the utility model includes a housing main body
100 and a plurality of radiator windows 200 for being opened on housing main body 100.
In the present embodiment, the size of a plurality of radiator windows 200 can be the same or different.For example, the radiator window in Fig. 3
200 is different from the size of the radiator window 200 in Fig. 1, the radiator window 200 in the lower right corner and other radiator windows 200 in Fig. 2 in Fig. 2
Size is different.The size of other radiator windows 200 is identical with the size of the radiator window 200 in Fig. 1 in Fig. 2, each heat dissipation in Fig. 3
The size of window 200 is also identical.
In different embodiments, the quantity of radiator window 200 can be configured according to actual demand, and Fig. 1 is to illustrated in fig. 5
The quantity of the radiator window 200 of guard shield 10 is 19, is almost spread on four sides of housing main body 10.
In the present embodiment, no matter what kind of the size and number of radiator window 200 are, each of which radiator window 200 can be such as Fig. 5
It is shown, including a flase floor 210 and a punching cover plate 220.
Wherein, flase floor 210 is mounted on the frame of radiator window 200, for stopping foreign matter.Flase floor 210 has multiple
Grid grizzly bar 211.According to different protection requirements, the spacing a of grid grizzly bar 211 has different value ranges, and grid grid
Item 211 also has different value ranges from the angle α of the panel 110 of housing main body 100.By the grid grid for setting flase floor
The value of the panel angle of stripe pitch and grid grizzly bar and housing main body can make guard shield meet wanting for specific protection level
It asks.
Punching cover plate 220 is mounted on 210 outside of flase floor.Punching cover plate 220 has a plurality of heat emission holes 221, each to dissipate
The waterproof sheet 222 of the tilting of punching formation is covered on hot hole 221.According to different protection requirements, the waterproof of punching cover plate 220
The distance b of the tilting of thin slice 222 has different value ranges.
For example, for IP23 grades of guard shield, i.e., requirement, which reaches, prevents the object more than 12mm from invading, and prevents from spraying
The water penetrated immerses, and prevents rainwater or is less than the guard shield of the rank of water sprayed in 50 degree of directions, flase floor with vertical angle
The value range of the spacing a of 210 grid grizzly bar 211 can be 3mm to 12mm, the grid grizzly bar 211 and shell of flase floor 210
The value range of the angle α of the panel 110 of main body 100 can be 10 ° to 80 °.The distance b's of the tilting of waterproof sheet 222 takes
Value may range from 1mm to 5mm.Preferably, in the heat dissipation window construction in Fig. 5, the 211 spacing a of grid grizzly bar of flase floor 210 is
The angle α of 10mm, the grid grizzly bar 211 of flase floor 210 and the panel 110 of housing main body 100 is 30 °, and punching cover plate 220 is prevented
The distance b of the tilting of water thin slice 222 is 5mm.
During specific installation, due to the not requirement to prevent water from base injcction of protection level of IP23, punching cover plate 220
It is the installation end 223 closed that top and both sides, which can only be set, and 210 outside of flase floor is mounted on by the installation end 223 of the closing
, and the bottom of punching cover plate 220 can be open free end.It is open freedom by the bottom for setting punching cover plate
End in the case where not influencing waterproof requirement, can further improve the heat dissipation performance of guard shield.
In addition, in order to increase heat dissipation effect, the value range of the spacing c between punching cover plate 220 and flase floor 210 can be with
For 10mm to 100mm.Spacing in Fig. 5 between punching cover plate 220 and flase floor 210 is in case of 40mm.In order to make
The guard shield of dry-type transformer has both heat sinking function and safeguard function, and multiple heat dissipations as much as possible are set on guard shield
Window, and each radiator window includes one and has both heat dissipation and stop the web plate layer of foreign matter, such as grid layer or clathrum and one have both
Heat dissipation and the punching layer of water-proof function.Further, above-mentioned grid layer and clathrum can be also set simultaneously, because grid layer removes
It can stop other than foreign matter, it can also waterproof to a certain extent.Wherein, the foreign matter that clathrum can stop is more different than what grid layer can stop
Object is more tiny.Meet certain spacing between punching cover plate and flase floor by setting, can further improve guard shield
Heat dissipation performance.
In addition, for IP33 and IP43 grades of guard shield, due to need to prevent respectively object more than 2.5mm and
Object intrusion more than 1.0mm, therefore can be further as shown in fig. 6, further setting a waffle slab on each radiator window 200
230, which can be mounted on 210 inside of flase floor.
For guard shield of the guard shield of dry-type transformer for IP33 grades, the mesh gap of the waffle slab 230
Can be 2.5mm × 2.5mm, line footpath can be 0.36mm.Guard shield for dry-type transformer is outside IP43 grades of protection
For shell, the mesh gap of the waffle slab 230 can be 1.0mm × 1.0mm, and line footpath can be 0.36mm.Similarly, pass through setting
The mesh gap of waffle slab and the value of line footpath, can make guard shield meet the requirement of specific protection level.In the present embodiment, net
Panel 230 can be Stainless steel mesh plate.
In addition, in other embodiments, for IP33 and IP43 grades of guard shield, flase floor can also be removed
210, i.e., each radiator window 200 includes a waffle slab 230 and is located at the punching cover plate 220 in 230 outside of waffle slab.Correspondingly,
The top and both sides of punching cover plate 220 are the installation end 223 of closing, and 230 outside of waffle slab is mounted on by installation end 223.Punching
The bottom of escutcheon plate 220 is open free end.The value range of spacing between punching cover plate 220 and waffle slab 230 can be with
For 10mm to 100mm, for example, 40mm.
As can be seen that the greatest extent may be used due to being set on the guard shield of dry-type transformer in the utility model from said program
A plurality of radiator windows more than energy, and each radiator window includes the web plate that at least one layer has both heat sinking function and foreign matter barrier functionality,
Such as Turbogrid plates and/or waffle slab and one layer of punching cover plate for having both heat sinking function and water-proof function so that the guard shield
Cooling requirements can not only be met, but also have both the function of waterproof.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection domain within.
Claims (9)
1. the guard shield (10) of dry-type transformer, which is characterized in that including：
One housing main body (100)；With
A plurality of radiator windows (200), are opened on the housing main body (100), and each radiator window (200) includes：
One flase floor (210) is mounted on the frame of the radiator window (200)；With
One punching cover plate (220) is mounted on the outside of the flase floor (210), and has a plurality of heat emission holes (221), often
The waterproof sheet (222) of the tilting of punching formation is covered on a heat emission hole (221).
2. the guard shield (10) of dry-type transformer according to claim 1, which is characterized in that
The top and both sides of the punching cover plate (220) are the installation end (223) of closing, are installed by the installation end (223)
On the outside of the flase floor (210)；
The bottom of the punching cover plate (220) is open free end.
3. the guard shield (10) of dry-type transformer according to claim 2, which is characterized in that the punching cover plate
(220) value range of the spacing between the flase floor (210) is 10mm to 100mm.
4. the guard shield (10) of dry-type transformer according to claim 3, which is characterized in that the punching cover plate
(220) spacing between the flase floor (210) is 40mm.
5. the guard shield (10) of dry-type transformer according to claim 4, which is characterized in that
The value range of the spacing of the grid grizzly bar (211) of the flase floor (210) be 3mm to 12mm, the flase floor (210)
The value range of angle of panel (110) of grid grizzly bar (211) and the housing main body (100) be 10 ° to 80 °；
The value range for the distance that the waterproof sheet (222) tilts is 1mm to 5mm.
6. the guard shield (10) of dry-type transformer according to claim 5, which is characterized in that
The spacing of the grid grizzly bar (211) of the flase floor (210) be 10mm, the grid grizzly bar (211) of the flase floor (210)
Angle with the panel (110) of the housing main body (100) is 30 °；
The distance that the waterproof sheet (222) tilts is 5mm.
7. the guard shield (10) of dry-type transformer according to any one of claim 1 to 6, which is characterized in that each
The radiator window (200) further comprises：One waffle slab (230) is mounted on the inside of the flase floor (210).
8. the guard shield (10) of dry-type transformer according to claim 7, which is characterized in that the waffle slab (230)
Mesh gap be 2.5mm × 2.5mm, line footpath 0.36mm.
9. the guard shield (10) of dry-type transformer according to claim 7, which is characterized in that the waffle slab (230)
Mesh gap be 1.0mm × 1.0mm, line footpath 0.36mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721443362.3U CN207572177U (en) | 2017-10-31 | 2017-10-31 | The guard shield of dry-type transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721443362.3U CN207572177U (en) | 2017-10-31 | 2017-10-31 | The guard shield of dry-type transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207572177U true CN207572177U (en) | 2018-07-03 |
Family
ID=62693566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721443362.3U Active CN207572177U (en) | 2017-10-31 | 2017-10-31 | The guard shield of dry-type transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207572177U (en) |
-
2017
- 2017-10-31 CN CN201721443362.3U patent/CN207572177U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 26, Jungong Road, East District, Guangzhou Economic and Technological Development Zone, Guangzhou, Guangdong 510530 Patentee after: Guangzhou Siemens Energy Transformer Co.,Ltd. Address before: No. 26, Jungong Road, East District, Guangzhou Economic and Technological Development Zone, Guangzhou, Guangdong 510530 Patentee before: SIEMENS TRANSFORMER (GUANGZHOU) Co.,Ltd. |