CN202167767U - Housing of low-voltage distributing box - Google Patents
Housing of low-voltage distributing box Download PDFInfo
- Publication number
- CN202167767U CN202167767U CN2011202438421U CN201120243842U CN202167767U CN 202167767 U CN202167767 U CN 202167767U CN 2011202438421 U CN2011202438421 U CN 2011202438421U CN 201120243842 U CN201120243842 U CN 201120243842U CN 202167767 U CN202167767 U CN 202167767U
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- casing
- box
- housing
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- side plates
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Abstract
The utility model discloses a housing of a low-voltage distributing box, including a box with a shutter and a top cover. An electric appliance part and an electric appliance installing plate supporting the electric appliance part are arranged in the box; the left and the right sides of the appliance installing plate are respectively insertedly and fixedly arranged between two parallel support beams; the support beams are respectively symmetrically arranged on the inner side surfaces of two symmetrical side plate; the upper portion of the box is provided with a reinforcement bar, the reinforcement bar is positioned at the connection position of the two side plates of the box, an upper crossbeam and a back plate; and the upper crossbeam is positioned at the upper portion of the front panel, and is fixedly arranged between the two side plates. In the utility model, the beneficial effects are as following: the thermal current in the box can be discharged in time, the temperature rise of the distribution box is reduced, the safe operation of the electric appliance part is guaranteed, the strength of the electric appliance installing plate is enhanced, the stability of the electric appliance part is enhanced, the safe operation of the electrical equipment is guaranteed, the strength and toughness of the whole box is enhanced, and twisting deformation of the box can be prevented.
Description
Technical field
The utility model relates to low-tension distribution box, particularly be a kind of housing of low-tension distribution box.
Background technology
The low-voltage distribution tank shell of prior art comprises: have shutter casing, top cover, in casing, be provided with electric component and support the appliance mounting panel of electric component; The appliance mounting panel left and right sides is separately fixed on two brace summers, and said two brace summers are separately fixed on the side plate medial surface of two symmetries in the casing.
There is following defective in the housing of above-mentioned prior art low-tension distribution box:
At first, every side of appliance mounting panel is fixed on the brace summer, because of electric component is housed on the appliance mounting panel, because appliance mounting panel weight is big, and the intensity difference of appliance mounting panel and brace summer junction;
Secondly, the shutter quantity that is provided with on the casing is few, and the air outlet area is less, and turnover wind is provided with unreasonable.After air-flow flow to casing from air inlet, under the electric device heating functioin, air-flow was heated; Temperature raises, and hot gas travels up to end face, limited by end face; Thermal current forms relative malleation near the top, fluid under differential pressure action then mobile to side panel and rear board and front panel along end face.Because the side panel top has only a shutter air-out area little, so thermal current can not be discharged timely.So just cause distribution box inner air flow inhomogeneous, drafting efficiency is low, and result of ventilating heat dissipation is not good.High temperature during operation in the distribution box, the internal heat that low-voltage electrical apparatus is in operation is difficult to outwards distribute, so burn out because of ageing of insulation through certain hour; Plastic insulated conductor is punctured by heat ageing also will.The useful life of electric elements is shortened in long-term hot operation meeting greatly, has certain potential safety hazard.
Summary of the invention
The purpose of the utility model is to overcome the deficiency of above-mentioned prior art, and the louvered design that provides a kind of appliance mounting panel to install on firm intensity height, the casing is reasonable, the housing of a kind of low-tension distribution box that ventilation effect is good.
The technical scheme that solves the problems of the technologies described above: a kind of housing of low-tension distribution box, said housing comprises: the casing, the top cover that have shutter; In casing, be provided with electric component and the appliance mounting panel that supports electric component; The said appliance mounting panel left and right sides is inserted and secured on respectively between two parallel brace summers, and said brace summer symmetry respectively is fixed on the side plate medial surface of two symmetries in the casing; Be provided with reinforcement on box inside top, said reinforcement is positioned at the junction of two blocks of side plates and the entablature and the postnotum of casing; Entablature is on front panel top and be fixed between two blocks of side plates.
The beneficial effect of the utility model is:
1. the increase of shutter has effectively improved the ventilation and heat ability of distribution box, and the thermal current in the casing is discharged timely, has reduced the temperature rise of distribution box, has guaranteed the safe operation of electric component.
2. the change of appliance mounting panel mounting structure has improved the intensity of appliance mounting panel, has strengthened the stability of electric component, guarantees the electric equipment safe operation.
3. reinforcement has improved the intensity and the toughness of whole box body under the situation that does not increase thickness of shell, avoids the twisted distortion of casing body.
Description of drawings
Fig. 1 is the utility model partial cutaway front view;
Fig. 2 is the B-B cutaway view of Fig. 1;
Fig. 3 is the D-D cutaway view of Fig. 1;
Fig. 4 is the left side view of Fig. 1;
Fig. 5 is the rearview of Fig. 1.
" sequence number explanation in the accompanying drawing "
1a: go up shutter; 1b: following shutter; 2: electric component; 3: bottom plate 4: side plate; 5: postnotum; 6: appliance mounting panel; 7: collet; 8: brace summer; 9: front panel; 10: reinforcement; 12: casing; 13: top cover 14: entablature.
Embodiment
Embodiment to the utility model further details below in conjunction with accompanying drawing.
Fig. 1 is the utility model partial cutaway front view; Fig. 2 is the B-B cutaway view of Fig. 1; Fig. 3 is the D-D cutaway view of Fig. 1; Fig. 4 is the left side view of Fig. 1; Fig. 5 is the rearview of Fig. 1.
The utility model provides a kind of housing of low-tension distribution box, and said housing comprises: the casing 12, the top cover 13 that have shutter; In casing 12, be provided with electric component 2 and the appliance mounting panel 6 that supports electric component 2; Two side plates 4, postnotum 5 and front panels 9 about said casing 12 comprises.
Said appliance mounting panel 6 left and right sides are inserted and secured on respectively between two parallel brace summers 8, and said brace summer 8 symmetry respectively is fixed on side plate 4 medial surfaces of casing 12 interior two symmetries; Be provided with reinforcement 10 in casing 12 inside upper part, said reinforcement 10 is positioned at the junction of two blocks of side plates 4 with the entablature 14 and the postnotum 5 of casing 12; Entablature 14 is on front panel 9 tops and be fixed between two blocks of side plates 4.
More particularly; As shown in Figure 3, near casing 12 inside top reinforcement 10 is being arranged, reinforcement 10 has two pairs totally four; A pair of reinforcement 10 be positioned at postnotum 5 with about junction, two side plate 4 top, another to reinforcement 10 be positioned at entablature 14 with about junction, two side plate 4 top; About two side plates 4, postnotum 5 and entablatures 14 all be employed in and combine with reinforcement 10 with securing member after the top is bent into the right angle.Two pairs of reinforcements 10 with casing 12 about two side plates 4, postnotum 5 and entablature 14 fastening one, improved casing 12 bulk strengths,
Said casing 12 is made up of the fibre-glass reinforced polyester material with top cover 13; Casing 12 sprays a kind of chemistry painting industry with heat-proof quality respectively with top cover 13 inner and outer walls, at cabinet wall, sprays a kind of chemistry painting industry with heat-proof quality, reduces thermal radiation, reduces temperature in the casing.And in order to reduce the influence of solar radiation to distribution box.While adopts the outer surface coating of the low absorptance of high reflectance with the absorption of minimizing to solar radiation at cabinet exterior, and then reduces the heat radiation load of distribution box.
Said casing 12 bottoms are supported by bottom plate 3, and bottom plate 3 is fixed on the collet 7.More particularly, bottom plate 3 butt joint be fixed on casing 12 about two side plates 4, postnotum 5 and front panels 9 below, supporting box 12; Collet 7 I-steel are docked at below the bottom plate 3.The effect of bottom plate 3 is to connect collet 7, support front panel 9, about two blocks of side plates 4 and postnotum 5; The effect of collet 7 is to strengthen the torsibility degree.The setting of collet 7 and bottom plate 3 highly increases casing 12, and the space of ventilating convection is strengthened, and it is big that flow velocity becomes, and the temperature in the distribution casing descends, and helps the ventilation and heat of casing.
In front plate 9 with about be provided with down shutter 1b on the bottom plate 3 of two side plate 4 bottoms; Be provided with shutter 1a on the top of postnotum 5 and the top of two blocks of side plates 4.
As shown in the figure, the utility model increases shutter quantity than prior art, and the last shutter 1a on the following shutter 1b on the bottom plate 3 of front panel 9 bottoms and the top of postnotum 5 respectively has 5 and be oppositely arranged; About two side plate 4 tops last shutter 1a with about two side plate 4 bottoms bottom plate 3 following shutter 1b each 2; Shutter quantity increases, and ventilation effect is good.
Claims (5)
1. the housing of a low-tension distribution box, said housing comprises: the casing (12), the top cover (13) that have shutter; In casing (12), be provided with the appliance mounting panel (6) of electric component (2) and support electric component (2); It is characterized in that; Said appliance mounting panel (6) left and right sides is inserted and secured on respectively between two parallel brace summers (8), and said brace summer (8) symmetry respectively is fixed on side plate (4) medial surface of interior two symmetries of casing (12); Be provided with reinforcement (10) in casing (12) inside upper part, said reinforcement (10) is positioned at the junction of two blocks of side plates (4) with the entablature (14) and the postnotum (5) of casing (12); Entablature (14) is positioned at front panel (9) top and is fixed between two blocks of side plates (4).
2. according to the housing of a kind of low-tension distribution box described in the claim 1, it is characterized in that said reinforcement (10) has two pairs to be symmetrical set, all rectangular triangular form; A right-angle side of a pair of reinforcement (10) is separately fixed on the bending back side edge on two blocks of side plates (4) top, and its another right-angle side all is fixed on the bending back side edge on postnotum (5) top; Another right-angle side to reinforcement (10) is separately fixed on the bending back side edge on two blocks of side plates (4) top, and its another right-angle side all is fixed on entablature (14) the bending back side edge.
3. according to the housing of a kind of low-tension distribution box described in the claim 1, it is characterized in that said casing (12) and top cover (13) are made up of the fibre-glass reinforced polyester material; Casing (12) and top cover (13) inner and outer wall spray the chemistry painting industry of heat-proof quality respectively.
4. according to the housing of a kind of low-tension distribution box described in the claim 1, it is characterized in that said casing (12) bottom is supported by bottom plate (3), bottom plate (3) is fixed on the collet (7).
5. according to the housing of a kind of low-tension distribution box described in claim 1 or 4, it is characterized in that, be provided with down shutter (1b) on the bottom plate (3) of plate (9) and two blocks of side plates (4) bottom in front; Top at postnotum (5) and two blocks of side plates (4) is provided with shutter (1a).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011202438421U CN202167767U (en) | 2011-07-12 | 2011-07-12 | Housing of low-voltage distributing box |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011202438421U CN202167767U (en) | 2011-07-12 | 2011-07-12 | Housing of low-voltage distributing box |
Publications (1)
Publication Number | Publication Date |
---|---|
CN202167767U true CN202167767U (en) | 2012-03-14 |
Family
ID=45803572
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2011202438421U Expired - Lifetime CN202167767U (en) | 2011-07-12 | 2011-07-12 | Housing of low-voltage distributing box |
Country Status (1)
Country | Link |
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CN (1) | CN202167767U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103779791A (en) * | 2014-01-22 | 2014-05-07 | 四川达卡电气有限公司 | Low voltage switch gear cabinet |
-
2011
- 2011-07-12 CN CN2011202438421U patent/CN202167767U/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103779791A (en) * | 2014-01-22 | 2014-05-07 | 四川达卡电气有限公司 | Low voltage switch gear cabinet |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CX01 | Expiry of patent term |
Granted publication date: 20120314 |
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CX01 | Expiry of patent term |