CN217789144U - Distribution box with top cover heat dissipation structure - Google Patents

Abstract

The utility model relates to a block terminal with top cap heat radiation structure, locate the chamber door on the box including box and rotation, the louvre has all been seted up to the both sides of box, be equipped with the mount on the box, be equipped with the apron that is used for the top surface of cover and box on the mount, the top surface of box is equipped with the vent, the vent runs through the box, be equipped with the montant on the mount, the one end of montant stretches into in the box through the vent, the one end that the montant stretched into the box is equipped with the fan that is used for blowing to electrical components, be equipped with the relative montant in both sides that is used for driving the fan on the box and deflect to the drive assembly that the angle of blowing that makes the fan changes. This application has when dispelling the heat to electrical components, and the relative montant in both sides through drive assembly drive fan takes place to deflect, makes the angle of blowing of fan change to make the electrical components homoenergetic in the box receive blowing that the fan blew out, and then make the even radiating effect of electrical components.

Description

Distribution box with top cover heat dissipation structure

Technical Field

The utility model belongs to the technical field of the distribution technique and specifically relates to a block terminal with top cap heat radiation structure is related to.

Background

The distribution box is a total circuit distribution box for all users. The distribution box is a low-voltage distribution device formed by assembling switch equipment, measuring instruments, protective electrical appliances and auxiliary equipment in a closed or semi-closed metal cabinet or on a screen according to the electrical wiring requirement.

In the related art, the distribution box mainly includes a box body and an electrical component arranged in the box body, a fan for dissipating heat is arranged in the box body, and heat dissipation ports for dissipating heat are further arranged on two sides of the box body. When the distribution box works, the fan blows air to the electric appliance element in the box body, so that heat generated when the electric appliance element works is blown away and is discharged out of the box body through the heat dissipation port, and the temperature in the box body is reduced.

However, because the wind power input direction of the fan is fixed singly, and the position of the fan is fixed and is blocked by some electrical components, part of the electrical components in the distribution box are not uniform enough in wind power, the heat dissipation area is small, and part of the electrical components cannot be effectively dissipated, so that the service life of the electrical components in the distribution box is shortened.

SUMMERY OF THE UTILITY MODEL

In order to improve the fan among the correlation technique when the electrical components to the box dispel the heat, the wind-force input direction of fan is single and some electrical components's influence makes partial electrical components can not obtain effectual heat dissipation, reduces life's phenomenon, this application provides a block terminal with top cap heat radiation structure.

The application provides a pair of block terminal with top cap heat radiation structure adopts following technical scheme:

the utility model provides a block terminal with top cap heat radiation structure, includes the box and rotates the chamber door that sets up on the box, the louvre has all been seted up to the both sides of box, be provided with the mount on the box, be provided with the apron that is used for the top surface of cover and box on the mount, the vent has been seted up to the top surface of box, the vent runs through the box, be provided with the montant on the mount, the one end of montant stretches into the box through the vent, the one end that the montant stretched into the box is provided with the fan that is used for blowing to electrical components, be provided with the relative montant in both sides that is used for driving the fan on the box and deflect to the drive assembly who makes the angle of blowing of fan change.

Through adopting above-mentioned technical scheme, during the heat dissipation, blow through the fan to the electrical components in the box, the heat that makes electrical components work production is blown away to outside the heat discharge box that will blow away through the louvre, outside air constantly enters into to the box through the vent simultaneously, has accelerated the circulation of air in the box, makes the temperature reduction in the box. The relative montant in both sides through drive assembly drive fan deflects, makes the angle of blowing of fan change to make the electrical components homoenergetic in the box receive the blowing that the fan blew out, make the heat homoenergetic that the electrical components in the box produced blow the back through the louvre discharge, electrical components's radiating effect preferred. Compare in the block terminal among the correlation technique, the relative montant in both sides of this application through the drive assembly drive fan of setting on the box deflects, makes the angle of blowing of fan change to the electrical components homoenergetic that makes in the box receives the fan blow that blows out, and then makes electrical components's radiating effect preferred, has improved electrical components's life.

Preferably, the drive assembly including rotate set up pivot on the box, the cover locate the both ends of pivot the line wheel, around locating two steel cables on taking the line and be used for driving pivot pivoted driving piece, the pivot sets up, two along the length direction of box line wheel symmetry sets up in the both ends of pivot, and two equal fixed connection in pivot of line wheel, two the one end of steel cable is respectively around locating two lines and taking, just two the steel cable is reverse around establishing, two the one end difference fixed connection in the both sides of fan that first line wheel was kept away from to the steel cable.

Through adopting above-mentioned technical scheme, during the heat dissipation, rotate through driving piece drive pivot, the line wheel that drives the pivot both ends takes place to rotate, because two steel cables that take turns to are reverse around establishing, when making two line wheel rotations, one of them steel cable is in the receipts line state, another steel cable is in the unwrapping wire state, thereby make the relative montant in both sides of fan take place to deflect, and then reach the effect that changes the angle of blowing of fan, the electrical components homoenergetic in the assurance box receives blowing that the fan blew off, make the radiating effect better.

Preferably, the driving member includes a driving motor fixedly disposed on the top surface of the box body, an output shaft of the driving motor is connected to the rotating shaft, and a locking assembly for locking the rotating shaft is disposed between the driving motor and the rotating shaft to stabilize a deflection angle of the left and right sides of the fan.

Through adopting above-mentioned technical scheme, driving motor can drive the pivot steadily and rotate, makes the pivot rotate steadily to because driving motor is servo motor, make the pivot carry out the antiport behind the forward rotation, thereby make the fan make a round trip to take place to deflect relatively the montant, and then make the angle of blowing of fan constantly change, so relapse, make electrical components's radiating effect better.

Preferably, the locking assembly comprises a worm wheel sleeved on the first rotating shaft and a worm used for being matched with a worm wheel tooth, the worm is arranged along the length direction perpendicular to the first rotating shaft, and the output shaft of the first motor is fixedly connected to the worm.

Through adopting above-mentioned technical scheme, during the heat dissipation, driving motor drive worm rotates, it rotates to drive the worm wheel, make the pivot take place to rotate, utilize worm gear's auto-lock characteristic, make the pivot locking, thereby the deflection angle of the relative montant in both sides that makes the fan keeps fixed, the angle of blowing of fan keeps fixed promptly, thereby the messenger is when dispelling the electrical components to different heat dissipation demands, through the time of blowing that changes different electrical components, the heat homoenergetic that makes different electrical components work produce is blown away, and then make electrical components's radiating effect better.

Preferably, the top surface of box still is provided with the protection casing, and worm wheel, worm all hold in the protection casing, and driving motor fixed connection is on the protection casing, and driving motor's output shaft stretches into in the protection casing after fixed connection in the worm.

Through adopting above-mentioned technical scheme, the protection casing can protect worm wheel and worm, makes the meshing portion of worm wheel and worm be difficult for receiving external influence and damage, has improved the life of worm wheel and worm.

Preferably, vent department is provided with and is used for the solid fixed ring fixed with the montant, the montant is kept away from the one end of mount and is passed solid fixed ring and montant and solid fixed ring fixed connection, be provided with first dead lever and second dead lever in the vent, first dead lever and second dead lever all set up along the radial direction of vent, just the equal fixed connection in the inner wall of vent of one end of first dead lever and second dead lever, the other end difference fixed connection of first dead lever and second dead lever is in solid fixed ring's both sides.

Through adopting above-mentioned technical scheme, first dead lever and second dead lever cooperation will be fixed solid fixed ring and fix in the vent, make solid fixed ring be difficult for taking place to shift, and fixed ring fixed connection stretches into the one end in the box in the montant to make the montant stretch into the one end fixed connection of box in the vent, and then make when dispelling the heat to electrical components, the dead lever can stably keep at vertical state, is difficult for taking place the skew, and the fan can stably support the fan.

Preferably, a dust screen is further arranged in the vent, and the dust screen is arranged along the circumferential direction of the vent.

By adopting the technical scheme, the dust screen can effectively block dust in the outside air outside the box body, so that more dust is not easily accumulated on the electrical element in the box body, and the influence on the normal work of the electrical element caused by too much dust accumulated on the surface of the electrical element is avoided.

Preferably, still be provided with the pad that absorbs water in the vent, the pad that absorbs water sets up along the circumferential direction of vent, and the surface of pad that absorbs water has seted up a plurality of ventilation hole.

Through adopting above-mentioned technical scheme, the pad that absorbs water can absorb the moisture in the air effectively, and when the external world was overcast and rainy weather, the aqueous vapor in the air was difficult for getting into in the box, has avoided getting into the box and lead to electrical components's impaired because of the aqueous vapor.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when heat is dissipated, the fan is driven to blow the electric appliance component, so that heat generated by the electric appliance component during working is blown away, the blown away heat is discharged out of the box body through the heat dissipation holes, the two sides of the fan are driven to deflect relative to the vertical rods through the driving assembly, and the blowing angle of the fan is changed, so that the electric appliance component in the box body can be blown by the fan, namely the electric appliance component can uniformly dissipate heat, the heat dissipation effect in the box body is better, and the service life of the electric appliance component is prolonged;

2. this application rotates through driving motor drive worm, it rotates to drive the worm wheel, make the pivot take place to rotate, thereby make two line wheels in the rotation take place to rotate, because two line wheels are reverse around establishing, make one of them steel cable of taking turns to be in the receipts line state, another steel cable of taking turns to is in the unwrapping wire state, thereby the relative montant in both ends that drives the fan takes place to deflect, the angle of blowing of fan changes promptly, make electrical components can evenly dispel the heat, utilize the auto-lock characteristic of worm wheel and worm simultaneously, make when the electrical components to different heat dissipation demands dispel the heat, through the angle locking of blowing with the fan, it is long when changing the electric components's blowing, thereby the heat homoenergetic that makes the electrical components of different heat dissipation demands produce is blown away, the radiating effect preferred.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is a partial sectional view of the present embodiment;

FIG. 3 is a schematic view of a partial explosion showing the fitting relationship of the dust screen and the absorbent pad to the housing;

fig. 4 is an enlarged view of a portion a in fig. 3.

Description of reference numerals: 1. a box body; 2. an electrical component; 3. a box door; 4. a viewing port; 5. a handle; 6. heat dissipation holes; 7. a rain cover; 8. a fixed mount; 9. a top cover; 10. a vent; 11. a dust screen; 12. a water absorbent pad; 13. a vent hole; 14. a vertical rod; 15. a fixing ring; 16. a first fixing lever; 17. a second fixing bar; 18. a fan; 29. a rotating shaft; 20. a wire wheel; 21. a steel cord; 22. a drive motor; 23. a worm gear; 24. a worm; 25. a shield.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The utility model provides a block terminal with top cap heat structure, refer to fig. 1 and fig. 2, include box 1, fixed mounting in box 1 electrical components 2 and rotate the chamber door 3 that sets up on box 1, in this embodiment, box 1 is the setting of inside hollow cuboid form, and one side of box 1 is the opening setting, and chamber door 3 rotates in the opening part of box 1, has seted up viewing aperture 4 on the chamber door 3, and viewing aperture 4 department is provided with clear glass, in addition, still is provided with the handle 5 that is used for pulling chamber door 3 on the chamber door 3.

Referring to fig. 1 and 2, heat dissipation holes 6 have all been seted up to the both sides of box 1, and heat dissipation hole 6 department is provided with the rain-proof cover 7 that is used for preventing the rainwater from flowing into box 1 from heat dissipation hole 6, and rain-proof cover 7 is the arc setting, and rain-proof cover 7 covers in heat dissipation hole 6's top. In this embodiment, the quantity of louvre 6 and rain-proof cover 7 is four, and the both sides of box 1 all are provided with two louvres 6 and rain-proof cover 7, and two louvres 6 are symmetry setting from top to bottom.

Referring to fig. 1 and 2, a fixing frame 8 is arranged on the top surface of the box body 1, a top cover 9 is fixedly mounted on the fixing frame 8, the top cover 9 is arranged in a herringbone manner, and two sides of the top cover 9 extend out of the box body 1. The top surface of the box body 1 is provided with a vent 10, the vent 10 is arranged in a circular shape, and the vent 10 penetrates through the top surface of the box body 1. The ventilation opening 10 is provided with a dust screen 11, the dust screen 11 is arranged along the circumferential direction of the ventilation opening 10, and the dust screen 11 is flush with the top surface of the box body 1.

Referring to fig. 2 and 3, a water absorption pad 12 is further disposed in the vent 10, the water absorption pad 12 is disposed along the circumferential direction of the vent 10, a plurality of vent holes 13 are formed in the water absorption pad 12, and the vent holes 13 all penetrate through the upper surface and the lower surface of the water absorption pad 12. The absorbent pad 12 is filled with an absorbent material, in this embodiment, the absorbent material is activated carbon, and in other embodiments, the absorbent material may be a desiccant having an absorbent property, such as calcium chloride.

Referring to fig. 3 and 4, fixed mounting has montant 14 on the mount 8, montant 14 keeps away from the one end of mount 8 and stretches into to the box 1 in through ventilation opening 10, be provided with in the ventilation opening 10 and be used for the solid fixed ring 15 fixed with montant 14, montant 14 stretches into the solid fixed ring 15 is passed to the one end in the box 1, and montant 14 fixed connection is in solid fixed ring 15, still be provided with first dead lever 16 and second dead lever 17 in the ventilation opening 10, first dead lever 16 and second dead lever 17 all set up along the radial direction of ventilation opening 10, the equal fixed connection in the inner wall of ventilation opening 10 of one end of first dead lever 16 and second dead lever 17, and the other end of first dead lever 16 and second dead lever 17 is fixed connection in the both sides of solid fixed ring 15 respectively. The vertical rod 14 can be stably maintained in a vertical state by the arrangement of the first and second fixing rods 16 and 17 and the fixing ring 15.

Referring to fig. 3 and 4, a fan 18 for blowing air to the electrical component 2 is hinged to one end of the vertical rod 14 extending into the box body 1, the fan 18 is arranged in a square shape, and the fan 18 is located above the electrical component 2. Two sides of the box body 1 for driving the fan 18 are deflected relative to the vertical rod 14, so that the blowing angle of the fan 18 is changed to obtain a driving assembly. Specifically, the drive assembly sets up pivot 29 on box 1 including rotating, the line wheel 20 at the both ends of pivot 29 is located to the cover, around locating steel cable 21 on two line wheels 20 and being used for driving pivot 29 pivoted driving piece, pivot 29 sets up along the length direction of box 1, two line wheels 20 symmetry set up in the both ends of pivot 29, and two equal fixed connection in pivot 29 of line wheel 20, fixed connection is respectively in the both sides of fan 18 behind the top surface of box 1 is passed to two steel cable 21 one end of keeping away from first line wheel 20.

Referring to fig. 3 and 4, the driving member includes a driving motor 22 fixedly disposed on the top surface of the case 1, the driving motor 22 is a servo motor, and an output shaft of the driving motor 22 is fixedly connected to the rotating shaft 29. The rotating shaft 29 is driven to rotate by the driving motor 22 to drive the two rotating wheels to rotate, and the two steel ropes 21 are reversely wound on the two wire wheels 20, so that when the two wire wheels 20 rotate simultaneously, one wire wheel 20 is in a wire releasing state, the other wire wheel 20 is in a wire receiving state, the two sides of the fan 18 are deviated relative to the vertical rod 14, the blowing angle of the fan 18 blowing the electric appliance element 2 is changed, and all the electric appliance elements 2 can dissipate heat.

Referring to fig. 3 and 4, a locking assembly for locking the rotation shaft 29 to allow the deflection angle of both sides of the fan 18 is provided between the driving motor 22 and the rotation shaft 29. Specifically, the locking assembly includes a worm wheel 23 sleeved on the first rotating shaft 29 and a worm 24 for engaging with the worm wheel 23, the worm 24 is disposed along a length direction perpendicular to the first rotating shaft 29, and an output shaft of the first motor is fixedly connected to the worm 24. The worm 24 is driven to rotate by the driving motor 22, the worm wheel 23 is driven to rotate, the rotating shaft 29 is driven to rotate, two rotating wheels are driven to rotate, the two sides of the fan 18 deflect relative to the vertical rod 14 under the driving of the two steel ropes 21, the blowing angle of the fan 18 is changed, the blowing angle of the fan 18 is kept stable by utilizing the self-locking characteristic of the worm wheel 23 and the worm 24, and therefore when the electric appliance elements 2 with different heat dissipation requirements are cooled, the fan 18 can correspondingly increase or reduce the blowing time of the elements with different heat dissipation requirements, and the heat dissipation effect of the electric appliance elements 2 is better.

Referring to fig. 3 and 4, in addition, a protective cover 25 is further disposed on the top surface of the box body 1, the worm wheel 23 and the worm 24 are accommodated in the protective cover 25, the driving motor 22 is fixedly connected to the protective cover 25, and an output shaft of the driving motor 22 is fixedly connected to the worm 24 after extending into the protective cover 25.

The application has the implementation principle that: during the heat dissipation, rotate through drive fan 18, make fan 18 blow to electrical components 2 in the box 1 to blow off electrical components 2 because of the steam that work produced, and in the 6 discharge box 1 of louvre, and in external air got into box 1 through wind gap 10 constantly far away, accelerated the circulation of air in the box 1, make the heat in the box 1 change discharge outside box 1. The worm 24 is driven to rotate by the driving motor 22, the worm wheel 23 is driven to rotate, the rotating shaft 29 is driven to rotate, the wire wheels 20 at two ends of the rotating shaft 29 are driven to rotate, the steel ropes 21 on the two wire wheels 20 are reversely wound, when the two wire wheels 20 rotate, one of the wire wheels 20 is in a wire winding state, the other wire wheel 20 is in a wire unwinding state, the two sides of the fan 18 deflect relative to the vertical rod 14, the blowing angle of the fan 18 is changed, all the electric appliance elements 2 in the box body 1 can be blown by the fan 18, and the effect of uniform heat dissipation is achieved. Meanwhile, the self-locking characteristic of the worm wheel 23 and the worm 24 is utilized to keep the deflection angle of the fan 18 relative to the vertical rod 14 fixed, so that the blowing angle of the fan 18 is kept fixed, and further, when the fan 18 blows the electric appliance elements 2 with different heat dissipation requirements, the blowing angle of the fan 18 is locked, so that the blowing time of the electric appliance elements 2 with different heat dissipation requirements is increased or reduced, and the heat dissipation effect in the box body 1 is better.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a block terminal with top cap heat radiation structure, includes box (1) and rotates chamber door (3) that sets up on box (1), louvre (6), its characterized in that have all been seted up to the both sides of box (1): be provided with mount (8) on box (1), be provided with the apron that is used for the top surface of cover and box (1) on mount (8), vent (10) have been seted up to the top surface of box (1), vent (10) run through box (1), be provided with montant (14) on mount (8), the one end of montant (14) is stretched into in box (1) through vent (10), the one end that montant (14) stretched into box (1) is provided with fan (18) that are used for blowing to electrical components (2), be provided with the relative montant (14) in both sides that are used for driving fan (18) on box (1) and deflect to the drive assembly that makes the angle of blowing of fan (18) change.

2. The distribution box with top cover heat dissipation structure of claim 1, wherein: drive assembly locates line wheel (20) at the both ends of pivot (29), cover including rotating pivot (29), the cover that sets up on box (1), around locating steel cable (21) on two line wheels (20) and being used for driving pivot (29) pivoted driving piece, the length direction setting of box (1) is followed in pivot (29), two line wheel (20) symmetry sets up in the both ends of pivot (29), and two line wheel (20) equal fixed connection in pivot (29), two the one end of steel cable (21) is respectively around locating on two line wheels (20), and two steel cable (21) are reverse around establishing, two the both sides of fixed connection respectively in fan (18) are kept away from the one end of first line wheel (20) in steel cable (21).

3. The distribution box with the top cover heat dissipation structure of claim 2, wherein: the driving piece comprises a driving motor (22) fixedly arranged on the top surface of the box body (1), the driving motor (22) is a servo motor, an output shaft of the driving motor (22) is connected to the rotating shaft (29), and a locking assembly used for locking the rotating shaft (29) is arranged between the driving motor (22) and the rotating shaft (29) so that the deflection angles of the left side and the right side of the fan (18) can be kept stable.

4. The distribution box with top cover heat dissipation structure of claim 3, wherein: the locking assembly comprises a worm wheel (23) sleeved on the first rotating shaft (29) and a worm (24) matched with the worm wheel (23) in a meshed mode, the worm (24) is arranged in the length direction perpendicular to the first rotating shaft (29), and the output shaft of the first motor is fixedly connected to the worm (24).

5. The distribution box with the top cover heat dissipation structure of claim 4, wherein: the top surface of the box body (1) is further provided with a protective cover (25), the worm wheel (23) and the worm (24) are accommodated in the protective cover (25), the driving motor (22) is fixedly connected to the protective cover (25), and an output shaft of the driving motor (22) extends into the protective cover (25) and then is fixedly connected to the worm (24).

6. The distribution box with the top cover heat dissipation structure of claim 1, wherein: vent (10) department is provided with and is used for solid fixed ring (15) fixed with montant (14), the one end that mount (8) were kept away from in montant (14) passes solid fixed ring (15) and montant (14) and solid fixed ring (15) fixed connection, be provided with first dead lever (16) and second dead lever (17) in vent (10), the radial direction setting of vent (10) is all followed in first dead lever (16) and second dead lever (17), just the equal fixed connection in the inner wall of vent (10) of one end of first dead lever (16) and second dead lever (17), the other end difference fixed connection of first dead lever (16) and second dead lever (17) is in the both sides of solid fixed ring (15).

7. The distribution box with top cover heat dissipation structure of claim 1, wherein: a dust screen (11) is further arranged in the ventilation opening (10), and the dust screen (11) is arranged along the circumferential direction of the ventilation opening (10).

8. The distribution box with top cover heat dissipation structure of claim 1, wherein: still be provided with absorbent pad (12) in vent (10), absorbent pad (12) set up along the circumferential direction of vent (10), and a plurality of ventilation hole (13) have been seted up on the surface of absorbent pad (12).

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