CN211017920U

CN211017920U - Lightning-proof low-voltage distribution box

Info

Publication number: CN211017920U
Application number: CN202020079516.0U
Authority: CN
Inventors: 陈君; 吴贻才
Original assignee: Shenzhen Jun'an Electronic Power Engineering Co ltd
Current assignee: Shenzhen Jun'an Electronic Power Engineering Co ltd
Priority date: 2020-01-15
Filing date: 2020-01-15
Publication date: 2020-07-14
Anticipated expiration: 2030-01-15

Abstract

The utility model discloses a low voltage distribution box is hit in lightning protection relates to the block terminal field, the power distribution box comprises a box body, box one side is provided with the multiunit blade, the both ends of blade all are provided with the pivot that the box rotated to connect, multiunit swing joint has the dead lever between the pivot. The utility model discloses a be provided with the multiunit blade, the apparatus further comprises a rotating shaft, the dead lever, turning handle isotructure, when needs ventilation cooling, the rotation turning handle, the pivot drives the dead lever and makes the multiunit blade open together, thereby can increase draught area, strengthen the heat dissipation, when not needing the heat dissipation, it makes the blade closed to rotate the turning handle, high durability and convenient use, through being provided with rotatable apron at the glass window top, during the buckle card that will lap the bottom when not using advances the chamber door and goes into the draw-in groove that corresponds, prevent that the dust from accumulating on the glass window surface, when needing to look over the box inside, upwards lift the apron, it upwards lifts the apron to detain apron bottom recess, the apron is absorbed to the magnet strip between the connecting block, can block the sunshine reflection, be.

Description

Lightning-proof low-voltage distribution box

Technical Field

The utility model relates to a block terminal field specifically is a low voltage distribution box is hit in lightning protection.

Background

The distribution box is a mass parameter on data, generally constitutes a low-voltage forest according to electrical connection, requires to assemble switch equipment, measuring instruments, protective electrical appliances and auxiliary equipment in a closed or semi-closed metal cabinet or on a screen to form the low-voltage distribution box, a circuit can be switched on or switched off by means of a manual or automatic switch in normal operation, the rated current of the low-voltage distribution box is alternating current 50Hz, a distribution system with the rated voltage of 380v is used as power, and the distribution box is used for electric energy conversion and control of lighting and distribution, and is easy to be struck by lightning in thunderstorm weather, so that various electrical appliances in the circuit are damaged.

When the external world of present lightning protection low-voltage distribution box is hot, the radiating effect is poor in the box, and the heat dissipation is slow, causes the part to burn out easily, and the glass window on the current distribution box door surface accumulation dust easily outdoors, and sunshine reflection is not clear when looking over in the box.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problems that when the external weather of the existing lightning-proof low-voltage distribution box is hot, the heat dissipation effect in the box body is poor, the heat dissipation is slow, parts are easily burnt out, dust is easily accumulated on the surface of a glass window on the existing distribution box door outdoors, and when the box body is checked, sunlight is reflected and cannot be clearly seen, the lightning-proof low-voltage distribution box is provided.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a low voltage distribution box is hit in lightning protection, includes the box, box one side is provided with the multiunit blade, the both ends of blade all are provided with the pivot that the box rotated the connection, the multiunit swing joint has the dead lever between the pivot, the one end of box is provided with the commentaries on classics hole that corresponds with a set of pivot, and a set of pivot extends the box through changeing the hole and be connected with the turning handle, the one end that changes the hole is kept away from to the box is provided with the chamber door, chamber door one end top is provided with multiunit glass window, the top that the box is located glass window is provided with the magnet strip, glass window top both sides are provided with the connecting block, the inside bull stick that is provided with of connecting block, the bull stick outside is rotated and is connected with the apron that.

Preferably, the bottom of box both sides all is provided with business turn over line mouth, business turn over line mouth inner wall is provided with the rubber buffer.

Preferably, the top of the box body is connected with a trapezoidal box cover, and the top of the box cover is connected with a rubber block.

Preferably, the top of the rubber block is connected with a lightning rod, the bottom end of the lightning rod is connected with a conductive wire, and the other end of the conductive wire is connected with a grounding rod inserted into the ground.

Preferably, a filter screen is arranged on one side of the box body close to the blade.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model is provided with a plurality of groups of blades on one side of the box body, the two ends of the blades are connected with the rotating shaft which is arranged in a rotating way with the box body, a plurality of groups of fixed rods are movable on one side of the rotating shaft, a group of rotating shafts extend out of the box body through the rotating holes and are connected with the rotating handle, when ventilation and heat dissipation are needed, the rotating handle is rotated, the rotating shaft drives the fixed rod to open the plurality of groups of blades together, thereby enlarging the ventilation area, enhancing the heat dissipation, rotating the rotating handle to close the blades when the heat dissipation is not needed, being convenient for use, the rotatable cover plate is arranged at the top of the glass window, when the glass window is not used, the buckle at the bottom of the cover plate is clamped into the corresponding clamping groove on the box door, so that dust is prevented from accumulating on the surface of the glass window, when the interior of the box body needs to be checked, the cover plate is lifted upwards, the groove at the bottom of the cover plate is buckled, the cover plate is sucked by the magnet strips between the connecting blocks, and the cover plate is fixed to block sunlight reflection so as to be convenient for seeing the inside of the box body clearly.

Drawings

Fig. 1 is a side sectional view of the present invention;

FIG. 2 is a front view of the present invention;

fig. 3 is a front view of the cover plate of the present invention.

In the figure: 1. a box body; 2. a box door; 3. a magnet bar; 4. connecting blocks; 5. a rotating rod; 6. a cover plate; 7. buckling; 8. a card slot; 9. a rotating shaft; 10. a blade; 11. fixing the rod; 12. hole turning; 13. a handle is rotated; 14. a filter screen; 15. a box cover; 16. a rubber block; 17. a lightning rod; 18. a conductive wire; 19. a ground pin; 20. a wire inlet and outlet; 21. a rubber plug; 22. a glass window.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a lightning-proof low-voltage distribution box comprises a box body 1, a plurality of sets of blades 10 are arranged on one side of the box body 1, rotating shafts 9 rotatably connected with the box body are arranged at two ends of each blade 10, a fixing rod 11 is movably connected between the rotating shafts 9, a rotating hole 12 corresponding to one set of rotating shafts 9 is arranged at one end of the box body 1, and a set of pivot 9 extends the box and is connected with turning handle 13 through changeing hole 12, the one end that changeing hole 12 was kept away from to box 1 is provided with

chamber door

2, 2 one end tops of chamber door are provided with multiunit glass window 22, the top that box 1 is located glass window 22 is provided with magnet strip 3, glass window 22 top both sides are provided with connecting block 4, the inside bull stick 5 that is provided with of connecting

block

4, 5 outside rotations of bull stick are connected with the apron 6 that corresponds with the glass window, apron 6 bottoms are provided with two sets of buckles 7, be provided with the draw-in groove 8 corresponding with buckle 7 between the multiunit glass window 22.

The utility model discloses a set up multiunit blade 10, the apparatus further comprises a rotating shaft 9, the dead lever 11, turning handle 13 isotructure, when needs ventilative heat dissipation, rotate turning handle 13, pivot 9 drives dead lever 11 and makes multiunit blade 10 open together, thereby can increase draught area, strengthen the heat dissipation, when not needing the heat dissipation, it makes blade 10 closed to rotate turning handle 13, high durability and convenient use, through being provided with rotatable apron 6 at glass window 22 top, go into the draw-in groove 8 that corresponds on the chamber door with buckle 7 card of apron 6 bottom when not using, prevent that the dust from accumulating on glass window 22 surface, when needing to look over box 1 inside, upwards

lift apron

6, 6 bottom recess of detaining apron upwards lifts apron 6, apron 6 is inhaled to magnet strip 3 between connecting block 4, it is fixed in proper order, can block the sunshine reflection, be convenient for see clearly inside box 1.

Please refer to fig. 1, the bottom of the two sides of the box body 1 is provided with the wire inlet and outlet 20, the inner wall of the wire inlet and outlet 20 is provided with the rubber plug 21, the utility model discloses a set up the wire inlet and outlet 20 and the rubber plug 21, can prevent water from entering the box body 1 effectively.

Please refer to fig. 1-3, the top of the box body 1 is connected with a trapezoidal box cover 15, the top of the box cover is connected with a rubber block 16, the utility model discloses a set up the rubber block 16, can effectively insulate and prevent the box body 1 from being struck by lightning.

Please refer to fig. 1 and fig. 2, the top of the rubber block 16 is connected with the lightning rod 17, the bottom of the lightning rod 17 is connected with the conductive wire 18, the other end of the conductive wire 18 is connected with the grounding rod 19 inserted into the ground, the utility model discloses a set up conductive wire 18 and grounding rod 19, effectively transfer the thunder to the ground during the thunderbolt, effectively prevent the thunderbolt.

Please refer to fig. 1, one side of the box 1 is provided with a filter screen 14 near the blade, the utility model discloses a set up filter screen 14, can prevent impurity from entering into the box 1 when the heat dissipation.

The working principle is as follows: when in use, when ventilation and heat dissipation are needed, the rotating handle 13 is rotated, the rotating handle 13 drives the rotating shaft 9, one side of the rotating shaft 9 is movably connected with a plurality of groups of fixed rods 11, one group of rotating shaft 9 rotates to drive the fixed rods 11 between the rotating shafts 9 to move simultaneously, so that the blades 10 outside the rotating shafts 9 are opened to ventilate, the ventilation area is enlarged, parts are protected from high temperature damage, when heat dissipation is not needed, the rotating handle is rotated to close the blades, the use is convenient, the side of the box body 1 close to the rotating shaft 9 is provided with the filter screen 14, impurities are prevented from entering during ventilation, when the inside of the box body 1 is needed to be seen through the glass window 22, the groove at the bottom of the cover plate 6 is buckled to open the cover plate 6, the cover plate 6 is lifted upwards, the magnet strips 3 between the connecting blocks 4 absorb the cover plate 6 to block sunlight, the situation that the box body, the buckle 7 at the bottom of the cover plate 6 is clamped into the corresponding clamping groove 8 on the box door, so that dust is prevented from accumulating on the surface of the glass window, and the glass window 22 is kept clean.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a low voltage distribution box is hit in lightning protection, includes box (1), its characterized in that: the glass box is characterized in that a plurality of groups of blades (10) are arranged on one side of the box body (1), rotating shafts (9) which are rotatably connected with the box body are arranged at two ends of each blade (10), a fixing rod (11) is movably connected among the rotating shafts (9), rotating holes (12) corresponding to the rotating shafts (9) are formed in one end of the box body (1), the rotating shafts (9) extend out of the box body through the rotating holes (12) and are connected with rotating handles (13), a box door (2) is arranged at one end, far away from the rotating holes (12), of the box body (1), a plurality of groups of glass windows (22) are arranged at the top of one end of the box door (2), magnet strips (3) are arranged above the glass windows (22) of the box body (1), connecting blocks (4) are arranged on two sides of the top of the glass windows (22), rotating rods (5) are arranged inside the connecting blocks (4), two groups of buckles (7) are arranged at the bottom of the cover plate (6), and clamping grooves (8) corresponding to the buckles (7) are arranged between the glass windows (22).

2. The lightning protection low-voltage distribution box according to claim 1, characterized in that: the bottom of box (1) both sides all is provided with business turn over line mouth (20), business turn over line mouth (20) inner wall is provided with rubber buffer (21).

3. The lightning protection low-voltage distribution box according to claim 1, characterized in that: the top of the box body (1) is connected with a trapezoidal box cover (15), and the top of the box cover is connected with a rubber block (16).

4. A lightning protection low voltage distribution box according to claim 3, characterized in that: the lightning rod (17) is connected with the top of the rubber block (16), the bottom end of the lightning rod (17) is connected with a conductive wire (18), and the other end of the conductive wire (18) is connected with a grounding pin (19) inserted into the ground.

5. The lightning protection low-voltage distribution box according to claim 1, characterized in that: a filter screen (14) is arranged on one side of the box body (1) close to the blades.