CN207098367U - A kind of transformer station and its comprehensive distribution box, casing - Google Patents

Abstract

It the utility model is related to a kind of transformer station and its comprehensive distribution box, casing, the casing of distribution box includes bottom supporting plate, main basement and reactive-load compensation room are provided with the casing, in the bottom supporting plate thermovent is provided with below reactive-load compensation room, in the bottom support plate radiator structure is provided with below main basement, heat caused by electrical part work in main basement is discharged outside casing by the effect of radiator structure, the ventilation and heat during capacitor work in the breaker and reactive-load compensation room in main basement can be met, thus temperature increase requirement can be met, it is relatively simple for structure.

Description

A kind of transformer station and its comprehensive distribution box, casing

Technical field

It the utility model is related to a kind of transformer station and its comprehensive distribution box, casing.

Background technology

Comprehensive distribution box is that a kind of New Low Voltage for integrating electric energy distribution, metering, protection, control and reactive-load compensation is comprehensive Close distribution box.The product is primarily adapted for use in exchange 50Hz, rated voltage 400V rural power grids and city net low-voltage distribution system.With Upgrade of rural power grids deepens continuously and developed, and substantial amounts of JP comprehensive distribution boxes are applied to rural power line and each allocated radio Qu Zhong.

Due to being provided with the electrical equipment for much needing to radiate in distribution box, so in the cabinet side wall of general power distribution cabinet all Heat emission hole is provided with, in the temperature rise experiment to distribution box, sets heat emission hole to be dissipated only by the side wall of power distribution cabinet Heat can not meet requirements of the national standard, therefore the inside of distribution box is radiated, it is necessary to design significantly more efficient radiating mode. A kind of outdoor electricity distribution low-voltage comprehensive distribution box is disclosed in the Chinese patent document that Authorization Notice No. is CN204651710U, is wrapped Include casing and be arranged on the electric capacity room of box house, and be provided with the side wall of electric capacity room and bottom for being carried out to capacitor The heat emission hole of ventilation and heat, the radiating for the capacitor in reactive compensation unit is achieved in, but is carried out to distribution box Temperature rise finds that the temperature rise of the terminals of the breaker of plastic casing in main wire inlet unit is higher when testing, be unable to reach national standard, this Sample can not ensure the overall radiating effect of distribution box.

The content of the invention

The purpose of this utility model is to provide a kind of casing, to solve setting for radiator structure in casing of the prior art Put the problem of can not meeting the temperature increase requirement of electrical part in distribution box；It is a kind of with this that the purpose of this utility model also resides in offer The distribution box of casing；The purpose of this utility model, which also resides in, provides a kind of transformer station with the distribution box.

To achieve the above object, the first technical scheme of the casing of the utility model distribution box is：

The casing of distribution box, including bottom supporting plate, main basement and reactive-load compensation room, the bottom are provided with the casing Thermovent is provided with supporting plate below reactive-load compensation room, is set in the bottom supporting plate positioned at the lower section of main basement There is radiator structure.

Second of technical scheme of the casing of the utility model distribution box be：The of the casing of the utility model distribution box On the basis of a kind of technical scheme, the radiator structure of casing includes several spaced slotted holes.

The third technical scheme of the casing of the utility model distribution box is：The of the casing of the utility model distribution box On the basis of two kinds of technical schemes, the position that radiator structure is corresponded in the supporting plate of bottom is covered with dust-proof stainless steel web plate.

4th kind of technical scheme of the casing of the utility model distribution box be：The of the casing of the utility model distribution box First, second or the third technical scheme on the basis of, casing also includes side plate, and air vent, the case are provided with the side plate The blower fan for being blown a cold wind over into casing is additionally provided with body.

5th kind of technical scheme of the casing of the utility model distribution box be：The of the casing of the utility model distribution box On the basis of four kinds of technical schemes, side plate includes being arranged on the first side plate of main basement side and is arranged on reactive-load compensation room one Second side plate of side, the blower fan are arranged on the second side plate, are additionally provided with and are located at outside blower fan on second side plate Blower fan baffle plate.

6th kind of technical scheme of the casing of the utility model distribution box be：The of the casing of the utility model distribution box First, second or the third technical scheme on the basis of, casing also includes lamina tecti, and use is provided with the lower face of the lamina tecti In the upper beam of support lamina tecti.

7th kind of technical scheme of the casing of the utility model distribution box be：The of the casing of the utility model distribution box On the basis of six kinds of technical schemes, upper beam is no less than two, and spacing side by side is arranged on the lower face of lamina tecti, the upper support Beam is taken the shape of the letter U, and the two-arm of its U-shaped is welded and fixed with the lamina tecti.

8th kind of technical scheme of the casing of the utility model distribution box be：The of the casing of the utility model distribution box On the basis of seven kinds of technical schemes, casing also includes the vertical support for supporting box, is also set on the lower face of the lamina tecti The upper fixed beam being arranged side by side with upper beam is equipped with, upper fixed beam is U-board, and bottom surface and the lamina tecti of U-board are welded and fixed, U The slotted hole being fixedly connected with vertical support is set in the two-arm of shape plate.

The first technical scheme of distribution box of the present utility model is：

Distribution box includes casing and the electrical part being arranged in casing, and casing includes bottom supporting plate, set in the casing There are main basement and reactive-load compensation room, thermovent, the bottom are provided with below reactive-load compensation room in the bottom supporting plate In supporting plate radiator structure is provided with below main basement.

Second of technical scheme of the utility model distribution box be：In the first technical scheme of the utility model distribution box On the basis of, the radiator structure of casing includes several spaced slotted holes.

The third technical scheme of the utility model distribution box is：In second of technical scheme of the utility model distribution box On the basis of, the position that radiator structure is corresponded in the supporting plate of bottom is covered with dust-proof stainless steel web plate.

4th kind of technical scheme of the utility model distribution box be：The first, second of the utility model distribution box or On the basis of three kinds of technical schemes, casing also includes side plate, and air vent is provided with the side plate, is additionally provided with the casing For the blower fan blown a cold wind over into casing.

5th kind of technical scheme of the utility model distribution box be：In the 4th kind of technical scheme of the utility model distribution box On the basis of, side plate includes being arranged on the first side plate of main basement side and is arranged on the second side of reactive-load compensation room side Plate, the blower fan are arranged on the second side plate, and the blower fan baffle plate being located at outside blower fan is additionally provided with second side plate.

6th kind of technical scheme of the utility model distribution box be：The first, second of the utility model distribution box or On the basis of three kinds of technical schemes, casing also includes lamina tecti, is provided with the lower face of the lamina tecti for supporting top cover The upper beam of plate.

7th kind of technical scheme of the utility model distribution box be：In the 6th kind of technical scheme of the utility model distribution box On the basis of, upper beam is no less than two, and spacing side by side is arranged on the lower face of lamina tecti, and the upper beam takes the shape of the letter U, its U The two-arm of shape is welded and fixed with the lamina tecti.

8th kind of technical scheme of the utility model distribution box be：In the 7th kind of technical scheme of the utility model distribution box On the basis of, casing also includes the vertical support for supporting box, is additionally provided with the lower face of the lamina tecti and upper beam The upper fixed beam being arranged side by side, upper fixed beam are U-board, and bottom surface and the lamina tecti of U-board are welded and fixed, in the two-arm of U-board The slotted hole being fixedly connected with vertical support is set.

The first technical scheme of the utility model transformer station is：

Transformer station, including transformer and the distribution box that is connected with transformer, distribution box include casing and are arranged in casing Electrical part, casing includes bottom supporting plate, is provided with main basement and reactive-load compensation room in the casing, in the bottom supporting plate Thermovent is provided with below reactive-load compensation room, is provided with radiating knot in the bottom supporting plate below main basement Structure.

Second of technical scheme of the utility model transformer station be：In the first technical scheme of the utility model transformer station On the basis of, the radiator structure of casing includes several spaced slotted holes.

The third technical scheme of the utility model transformer station is：In second of technical scheme of the utility model transformer station On the basis of, the position that radiator structure is corresponded in the supporting plate of bottom is covered with dust-proof stainless steel web plate.

4th kind of technical scheme of the utility model transformer station be：The first, second of the utility model transformer station or On the basis of three kinds of technical schemes, casing also includes side plate, and air vent is provided with the side plate, is additionally provided with the casing For the blower fan blown a cold wind over into casing.

5th kind of technical scheme of the utility model transformer station be：In the 4th kind of technical scheme of the utility model transformer station On the basis of, side plate includes being arranged on the first side plate of main basement side and is arranged on the second side of reactive-load compensation room side Plate, the blower fan are arranged on the second side plate, and the blower fan baffle plate being located at outside blower fan is additionally provided with second side plate.

6th kind of technical scheme of the utility model transformer station be：The first, second of the utility model transformer station or On the basis of three kinds of technical schemes, casing also includes lamina tecti, is provided with the lower face of the lamina tecti for supporting top cover The upper beam of plate.

7th kind of technical scheme of the utility model transformer station be：In the 6th kind of technical scheme of the utility model transformer station On the basis of, upper beam is no less than two, and spacing side by side is arranged on the lower face of lamina tecti, and the upper beam takes the shape of the letter U, its U The two-arm of shape is welded and fixed with the lamina tecti.

8th kind of technical scheme of the utility model transformer station be：In the 7th kind of technical scheme of the utility model transformer station On the basis of, casing also includes the vertical support for supporting box, is additionally provided with the lower face of the lamina tecti and upper beam The upper fixed beam being arranged side by side, upper fixed beam are U-board, and bottom surface and the lamina tecti of U-board are welded and fixed, in the two-arm of U-board The slotted hole being fixedly connected with vertical support is set.

The beneficial effects of the utility model are：Compared to prior art, the casing involved by the utility model, by the bottom of at Radiator structure is set positioned at the downside of main basement in supporting plate, heat caused by the electrical part work in main basement is led to Cross outside the effect discharge casing of radiator structure, the capacitor in the breaker and reactive-load compensation room in main basement can be met Ventilation and heat during work, it thus can meet temperature increase requirement, it is relatively simple for structure；

Further, the radiator structure of casing includes several spaced slotted holes, the thus utilization of maximizing It space in the plate face of bottom supporting plate, the arrangement of several slotted holes, can preferably increase area of dissipation, improve radiating effect Fruit；

Further, the position that radiator structure is corresponded in the supporting plate of bottom is covered with dust-proof stainless steel web plate, can prevent from matching somebody with somebody Electronic box at work, the entrance of external dust, the further degree of protection for improving cabinet；

Further, air vent is provided with the side plate of casing, is additionally provided with the casing cold for being blown into casing The blower fan of wind, the control of temperature rise is further realized by the setting of blower fan, is blown to by cool exterior air in casing by force, will The high-temperature gas of box house is taken out of, so as to realize the effect of cooling；

Further, blower fan is arranged on the second side plate of reactive-load compensation room side, is additionally provided with second side plate The blower fan baffle plate being located at outside blower fan, because the main temperature rise part of box house is the capacitor in reactive-load compensation room, because This, blower fan is arranged on the side of reactive-load compensation room, and box house can be maximumlly reduced compared to other positions are arranged on Temperature；

Further, the casing also includes lamina tecti, is provided with the lower face of the lamina tecti for supporting top cover The upper beam of plate, it is possible thereby to strengthen the intensity of box house, prevent the deformation of casing；

Further, upper beam is no less than two, and spacing side by side is arranged on the lower face of lamina tecti, and the upper beam is in U-shaped, the two-arm of its U-shaped are welded and fixed with the lamina tecti, and the reinforcement that such welding manner can give full play to upper beam is made With evading roof deformation problem caused by welding process；

Further, the upper fixed beam being arranged side by side with upper beam, upper fixed beam are additionally provided with the lower face of lamina tecti For U-board, bottom surface and the lamina tecti of U-board are welded and fixed, set in the two-arm of U-board with it is vertical support be fixedly connected it is oval Hole, it thus can realize upper beam and stand being fixedly connected for support, further improve the bulk strength of casing.

Brief description of the drawings

Fig. 1 is the interior layout figure of the utility model power distribution cabinet one embodiment；

Fig. 2 is the structural representation of one embodiment of the utility model power distribution cabinet；

Fig. 3 is Fig. 2 rearview；

Fig. 4 is Fig. 2 left view；

Fig. 5 is Fig. 2 right view；

Fig. 6 is Fig. 2 upward view；

Fig. 7 is Fig. 2 top view；

Fig. 8 is the topology view of Fig. 2 midsoles supporting plate 6；

Fig. 9 is Fig. 8 A direction views；

Figure 10 is the topology view of lamina tecti 5 in Fig. 2；

Figure 11 is Figure 10 B direction views；

Figure 12 is that Fig. 1 removes the interior views after the flygate structure of front side；

Figure 13 is Figure 12 E direction views；

Figure 14 is Figure 12 cabinet body structure；

Figure 15 is Figure 14 C direction views；

Figure 16 is Figure 14 D direction views；

Figure 17 is Figure 14 rearview.

Wherein, the main basements of 1-；2- measuring rooms；3- reactive-load compensations room；4- outlets room；5- lamina tectis；6- bottoms supporting plate；7- Left plate；8- right plates；Flygate structure on front side of 9-；Flygate structure on rear side of 10-；11- cable aperture；12- waterproof elbows；13- Cable outlet hole；14- hinges；15- shutters；16- top-side panels；17- hangs steel；18- slotted holes；19- screw holes；Supportted on 201- Beam；The upper fixed beams of 202-；The left vertical braces of 21-；22- mounting rails；23- aluminizing zinc dividing plates；24- arresters；25- breaker of plastic casing；26- Low-voltage reactive power controller；27- condensation controllers；28- reactive-load compensation switch installation boards；Vertical brace in 29-；30- capacitors are pacified Loading board；31- mends formula enhanced smart integrated form electric power capacitive means altogether；32- divides benefit formula enhanced smart integrated form electric capacitor Device；The anti-error type ground connection isolators of 33-；34- residual current action breakers；The right vertical braces of 38-；39- observation windows；61- cables enter The standby hole of line；The standby hole of 62- cable outlets；First time support beam of 63-；Second time support beam of 64-；The three times support beams of 65-；66- radiates Window；The dust-proof stainless steel web plates of 67-；81- blower fan baffle plates.

Embodiment

Embodiment of the present utility model is described further below in conjunction with the accompanying drawings.

The specific embodiment of power distribution cabinet of the present utility model, as shown in Fig. 1 to Figure 17, the power distribution cabinet includes front and rear enabling Cabinet, main basement 1, outlet room 4, reactive-load compensation room 3 and measuring room 2 is provided with cabinet, cabinet includes cabinet body frame, cabinet The surrounding entirety welding of framework has lamina tecti 5, bottom supporting plate 6, left plate 7 i.e. the first side plate, right plate 8 i.e. the second side plate, preceding Side flygate structure 9 and rear side flygate structure 10, wherein cabinet body frame include external frame and are arranged on the vertical support of inside And crossbeam, and four above-mentioned rooms will be divided into by vertical brace and crossbeam inside cabinet.Above-mentioned front side flygate structure 9 and rear side Flygate structure 10 is connected on cabinet body frame by hinge 14 respectively, the left and right sides of lamina tecti 5 respectively with corresponding left side Plate 7, the outer plate surface of right plate 8 are concordant.

Main basement 1 is located at the left back portion in casing, and measuring room 2 is located at the left front portion in casing, and reactive-load compensation room 3 is located at Right front portion in casing, outlet room 7 are located at the right rear portion in casing.

The shutter 15 of two groups of perpendicular row is provided with the left and right side plate of cabinet, each group by some of two perpendicular row arrangements Individual circular hole composition, the purpose of shutter 15 is to form cross-ventilation ventilation and heat, and each group of two perpendicular column pitch are preferably 60mm, the spacing between two groups is preferably 360mm；Positioned at the both sides of shutter 15, to be additionally provided with two diameters excellent on left plate 7 Elect 90mm and 100mm cable aperture 11 as, wherein 100mm cable aperture is located at inlet wire of the top for cable of left plate 7, The bottom that 90mm cable aperture is arranged on left plate 7 is used for cable outlet, and the same position of left plate 7 is corresponded on right plate 8 The cable outlet hole 13 for being equipped with that a diameter is preferably 90mm is installed, at the aperture in above-mentioned cable aperture 11 and cable outlet hole 13 Riveting has the waterproof elbow 12 of corresponding diameter, and the opening of waterproof elbow 12 is downward；In addition, corresponding hundred on left plate 7 The 24 mesh stainless steel cloths that diameter is not more than 1mm are welded with the inner side plate face of leaf window 15, the top of right plate 8 offers one Diameter is preferably the 13mm screw hole 19 for being used to fill M12 earthing screws.

Lamina tecti 5 is flat board, and its left and right sides full weld is welded with top-side panel 16, in the side of the left and right of lamina tecti 5 two On offer platoon leader's circular hole 18, for the ventilation and heat of inside, the shape of top-side panel 16 pushing up similar to the lower half of type It is preferably 250mm that spacing two-by-two is offered on the upper side wall of side plate 16, and diameter is preferably 17mm three circular holes, while in left side With opening up three same circular holes at the same location of right plate 8 on plate 7, it is welded with the downside plate face of lamina tecti 5 and arranges side by side The upper beam 201 and a upper fixed beam 202 being arranged between adjacent two upper beams that three sections of row take the shape of the letter U, wherein The U-shaped two-arm of upper beam 201 is weldingly fixed on lamina tecti, and the reinforcement that such welding manner can give full play to upper beam is made With evading roof deformation problem caused by welding process；Upper fixed beam 202 is U-board, and the bottom surface of U-shaped board is weldingly fixed on On lamina tecti, platoon leader's circular hole is provided with the two-arm of U-board, for fixing above-mentioned vertical support, wherein from left to right according to this The back gauge of first upper beam 201 set and left side top-side panel is preferably 237.5mm, first upper beam 201 and upper fixation Back gauge between beam 202 is preferably 212.5mm, and the back gauge between upper fixed beam 202 and second upper beam 201 is preferably 230mm, the back gauge between second upper beam 201 and the 3rd upper beam is preferably 240mm, and above-mentioned upper beam 201 uses Stainless steel thick 1.5mm is made, and above-mentioned upper fixed beam 202 is made of the thick stainless steels of 2mm.

Above-mentioned vertical support includes left vertical brace 21 and right vertical brace 38, wherein distance bottom supports on the madial wall of right plate 8 Plate 62 be preferably 17mm, apart from the place vertical brace of right plate 8 outside spacing to be provided with the stainless steel stud of M6 × 16 at 260mm, Started on the basis of the stainless steel stud, four stainless steel studs that spacing is 200mm are welded on a horizontal line, are used for Fixed right vertical brace 38, is also welded with the stainless steel stud of M4 × 12 for fixing radiator fan on right plate 8, on right plate 8 Also be welded with the capacitor support of a L-shaped, be welded with left plate 7 with the corresponding position of right plate 8 it is an equal amount of not Become rusty steel stud, for fixing left vertical brace 21.

1.2mm aluminizing zinc dividing plate 23 is provided with above-mentioned measuring room 2, by aluminizing zinc dividing plate 23 by measuring room with week Enclosure is opened, and has anti-stealing electricity function.

Reactive-load compensation switch installation board 28 is installed in reactive-load compensation room 3, is provided with reactive-load compensation switch installation board 28 Breaker of plastic casing 25, low-voltage reactive power controller 26, condensation controller 27 and arrester 24；The middle vertical brace 29 of front and rear sides it Between be horizontally connected with welding support 31, weld and a diameter of 530mm circular hole is offered on support 31 be used for by the side of thread tapping Formula fixed capacity device support and dividing plate, capacitor installing plate 30 is installed in the height apart from the preferably 90mm of bottom supporting plate 62, It is provided with common benefit formula enhanced smart integrated form electric power capacitive means 31 and distributed formula enhanced smart integrated form electric power Capacitive means 32.

For outlet room 4, vertical brace also includes the middle vertical brace 29 for being connected to cabinet centre position, in right vertical brace 38 and middle vertical brace It is fixed with four mounting rails laterally set 22 between 29 successively with bolt from top to bottom, is easy to wherein sufficient space is left at top Horizontal copper bus-bar is installed, then the anti-error type ground connection isolation of two residual current action breakers 34, two is installed downwards successively Device 33, the end of incoming cables of above-mentioned residual current action breaker 34 is connected in copper busbar by branch's copper bar, and residual current Action breaker 34 is connected with protection type ground connection isolator 33 also by copper cash busbar；Anti-error type ground connection isolator include ground connection every Pass and the closedown structure with earthing isolator synchronization action are left, residual current action breaker 34 is isolated with protection type ground connection Automatic blocking function is realized by electrical equipment connection between device 33, can effectively prevent maloperation.

For basement 1, right three installations are fixed with bolt successively from top to bottom between left vertical brace 21 and middle vertical brace 29 Beam 34, it is used to inlet wire copper bar be installed likewise, leaving enough spaces at the top of basement, is then provided with downwards successively adjustable Formula breaker of plastic casing, Surge Protector 26 etc..

The position that measuring room 2 is corresponded in the front side flygate structure 9 of above-mentioned cabinet is provided with observation window 39, is easy to observe cabinet The operating mode of internal portion ammeter.

Lower left quarter in above-mentioned cabinet is provided with ground connection PE rows.

The outside of cabinet is provided with boom hoisting, it includes L-type inequilateral and hangs steel 17, sole support, hoisting board etc..

Cabinet body frame and flygate structure are made of 304 thick stainless steel materials of 2mm, outside plastic-spraying sea grey；Cabinet Mounting rail, installing plate in body framework are aluminizing zine plate material, remove the processing of material surface technique from.

The standby hole 61 of long cable section of ingoing line and two diameters that an a diameter of 110mm is provided with above-mentioned bottom supporting plate 6 are equal For the 90mm standby hole 62 of cable outlet, and first, second, third time support beam is welded with bottom supporting plate 6, supports beam first time Spacing between 63 and second time support beam 64 is 488mm, and second time support beam 64 and the three times spacing for supportting beams 65 are 808mm, the First, the three times support beams are used to reinforce cabinet, and second time support beam 64 is applied not only to support solid cabinet, prevents from deforming, is further opened with thereon For the circular hole using thread tapping mounting means installation vertical brace, while it is located at reactive-load compensation room 3 and main inlet wire in the supporting plate of bottom The lower section of room 1 is provided with radiator window 66, and radiator window 66 includes several slotted holes being arranged side by side, in the corresponding region of slotted hole Dust-proof stainless steel web plate 67 is welded with, for improving the degree of protection of box house.

Blower fan mouth is provided with the right side of the reactive-load compensation room on right plate, is provided with blower fan on blower fan mouth, and Blower fan outer cup is provided with blower fan baffle plate 81, and the main temperature rise part of box house is the capacitor in reactive-load compensation room, therefore, will Blower fan is arranged on the side of reactive-load compensation room, and the temperature of box house can be maximumlly reduced compared to other positions are arranged on Degree.

In other embodiments, radiator window can not be set in the downside of reactive-load compensation room, radiator window is arranged on the casing right side Side plate top, high-temperature gas is discharged by casing by the strong cold wind radiating of blower fan；The radiator window that several slotted holes are formed can be by One or more circular holes are formed；Blower fan may be provided in the bottom supporting plate of casing to up-draught.

Casing involved by the utility model, its structure type is consistent with the body structure form in above-mentioned distribution box, no It is developed in details again.

Transformer station involved by the utility model, including transformer and distribution box, the structure type of distribution box with it is above-mentioned The structure type of distribution box is consistent, is no longer developed in details.

Claims (24)

1. the casing of distribution box, including bottom supporting plate, main basement and reactive-load compensation room, the bottom branch are provided with the casing On fagging thermovent is provided with below reactive-load compensation room, it is characterised in that：It is located at main basement in the bottom supporting plate Lower section be provided with radiator structure.

2. the casing of distribution box according to claim 1, it is characterised in that：The radiator structure of the casing includes interval and arranged Several slotted holes of row.

3. the casing of distribution box according to claim 2, it is characterised in that：Radiator structure is corresponded in the bottom supporting plate Position is covered with dust-proof stainless steel web plate.

4. the casing of the distribution box according to any one of claim 1 ~ 3, it is characterised in that：The casing also includes side Plate, air vent is provided with the side plate, the blower fan for being blown a cold wind over into casing is additionally provided with the casing.

5. the casing of distribution box according to claim 4, it is characterised in that：The side plate includes being arranged on main basement one First side plate of side and the second side plate for being arranged on reactive-load compensation room side, the blower fan are arranged on the second side plate, and described the The blower fan baffle plate being located at outside blower fan is additionally provided with two side plates.

6. the casing of the distribution box according to any one of claim 1 ~ 3, it is characterised in that：The casing also includes top cover Plate, the upper beam for supporting lamina tecti is provided with the lower face of the lamina tecti.

7. the casing of distribution box according to claim 6, it is characterised in that：The upper beam be no less than two, side by side between Every being arranged on the lower face of lamina tecti, the upper beam is taken the shape of the letter U, and the two-arm of its U-shaped is welded and fixed with the lamina tecti.

8. the casing of distribution box according to claim 7, it is characterised in that：The casing is also included for supporting box It is vertical to support, the upper fixed beam being arranged side by side with upper beam is additionally provided with the lower face of the lamina tecti, upper fixed beam is U-shaped Plate, bottom surface and the lamina tecti of U-board are welded and fixed, and the slotted hole being fixedly connected with vertical support is set in the two-arm of U-board.

9. distribution box, including casing and the electrical part that is arranged in casing, casing include bottom supporting plate, are provided with the casing Main basement and reactive-load compensation room, thermovent are provided with below reactive-load compensation room in the bottom supporting plate, its feature exists In：In the bottom supporting plate radiator structure is provided with below main basement.

10. distribution box according to claim 9, it is characterised in that：The radiator structure of the casing includes spaced Several slotted holes.

11. distribution box according to claim 10, it is characterised in that：The position of radiator structure is corresponded in the bottom supporting plate It is covered with dust-proof stainless steel web plate.

12. the distribution box according to any one of claim 9 ~ 11, it is characterised in that：The casing also includes side plate, institute State and air vent is provided with side plate, the blower fan for being blown a cold wind over into casing is additionally provided with the casing.

13. distribution box according to claim 12, it is characterised in that：The side plate includes being arranged on main basement side First side plate and the second side plate for being arranged on reactive-load compensation room side, the blower fan are arranged on the second side plate, second side The blower fan baffle plate being located at outside blower fan is additionally provided with plate.

14. the distribution box according to any one of claim 9 ~ 11, it is characterised in that：The casing also includes lamina tecti, The upper beam for supporting lamina tecti is provided with the lower face of the lamina tecti.

15. distribution box according to claim 14, it is characterised in that：The upper beam is no less than two, and spacing side by side is set Put on the lower face of lamina tecti, the upper beam is taken the shape of the letter U, and the two-arm of its U-shaped is welded and fixed with the lamina tecti.

16. distribution box according to claim 15, it is characterised in that：The casing also includes the vertical branch for supporting box Support, is additionally provided with the upper fixed beam being arranged side by side with upper beam on the lower face of the lamina tecti, and upper fixed beam is U-board, U-shaped The bottom surface of plate is welded and fixed with lamina tecti, and the slotted hole being fixedly connected with vertical support is set in the two-arm of U-board.

17. transformer station, including transformer and the distribution box that is connected with transformer, the distribution box include casing and are arranged on casing Interior electrical part, casing include bottom supporting plate, main basement and reactive-load compensation room, the bottom supporting plate are provided with the casing It is upper to be provided with thermovent below reactive-load compensation room, it is characterised in that：It is located in the bottom supporting plate under main basement Side is provided with radiator structure.

18. transformer station according to claim 17, it is characterised in that：The radiator structure of the casing includes spaced Several slotted holes.

19. transformer station according to claim 18, it is characterised in that：The position of radiator structure is corresponded in the bottom supporting plate It is covered with dust-proof stainless steel web plate.

20. the transformer station according to any one of claim 17 ~ 19, it is characterised in that：The casing also includes side plate, institute State and air vent is provided with side plate, the blower fan for being blown a cold wind over into casing is additionally provided with the casing.

21. transformer station according to claim 20, it is characterised in that：The side plate includes being arranged on main basement side First side plate and the second side plate for being arranged on reactive-load compensation room side, the blower fan are arranged on the second side plate, second side The blower fan baffle plate being located at outside blower fan is additionally provided with plate.

22. the transformer station according to any one of claim 17 ~ 19, it is characterised in that：The casing also includes lamina tecti, The upper beam for supporting lamina tecti is provided with the lower face of the lamina tecti.

23. transformer station according to claim 22, it is characterised in that：The upper beam is no less than two, and spacing side by side is set Put on the lower face of lamina tecti, the upper beam is taken the shape of the letter U, and the two-arm of its U-shaped is welded and fixed with the lamina tecti.

24. transformer station according to claim 23, it is characterised in that：The casing also includes the vertical branch for supporting box Support, is additionally provided with the upper fixed beam being arranged side by side with upper beam on the lower face of the lamina tecti, and upper fixed beam is U-board, U-shaped The bottom surface of plate is welded and fixed with lamina tecti, and the slotted hole being fixedly connected with vertical support is set in the two-arm of U-board.