CN212626749U

CN212626749U - Safe and reliable's dual supply power distribution box

Info

Publication number: CN212626749U
Application number: CN202021012688.2U
Authority: CN
Inventors: 蒋微微; 张小强
Original assignee: Yunnan Zhanbo Electrical Equipment Co ltd
Current assignee: Yunnan Zhanbo Electrical Equipment Co ltd
Priority date: 2020-06-05
Filing date: 2020-06-05
Publication date: 2021-02-26
Anticipated expiration: 2030-06-05

Abstract

The utility model discloses a safe and reliable dual-power distribution box in the technical field of distribution boxes, which comprises a base, wherein an insulating layer is fixedly arranged on the inner side wall of the base, a mesh plate is fixedly arranged at the bottom of the inner cavity of the insulating layer, a power supply change-over switch, a common power supply surge protector, a common power supply switch, a common power supply wiring terminal, a standby power supply surge protector, a standby power supply switch and a standby power supply wiring terminal are fixedly arranged on the front side wall of the mesh plate, the power supply circuit part is arranged on the insulating mesh plate and is completely insulated from other parts to prevent the circuit from electric leakage to cause electric shock hazard, the mesh can also strengthen the heat dissipation effect, the surge protector can prevent the circuit from being burnt by instantaneous huge current generated by lightning stroke, thereby protecting the circuit to a certain extent, the baffle and the heat dissipation plate, the fan can enhance the heat dissipation effect.

Description

Safe and reliable's dual supply power distribution box

Technical Field

The utility model relates to a block terminal technical field specifically is a safe and reliable's dual supply power distribution box.

Background

The power grid line in China develops fast, and in the construction engineering of a power transmission line, an economical, reliable, safe and convenient-to-maintain wiring mode is needed to solve the problem of a large number of branches in the original overhead line, for example, a dual-power distribution box is a device for automatically converting mains supply and power generation, for example, after the mains supply has a power failure, a dual-power box automatically switches to a power generation loop to supply power, after the mains supply recovers to be normal, the power generation loop is automatically disconnected through a power supply change-over switch, meanwhile, the mains supply loop is automatically switched into the power supply, and the dual-power switch is generally set. The dual-power distribution box has a simple, convenient and flexible connection combination mode, can replace a ring main unit in certain occasions, improves the reliability of power supply, and is widely applied to commercial centers and industrial parks.

At present dual power supply block terminal generally installs outdoors, and most dual power supply block terminal's radiating effect is poor, thereby causes easily that inside high temperature accumulation can't dispel and burn out device or power cord, and squeeze into sleet or inside condensate drop easily outdoors and cause the circuit short circuit to burn out, and most dual power supply block terminal does not have thunderbolt protect function on the market, for this reason, we propose a safe and reliable's dual power supply power block terminal.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a safe and reliable's dual supply power distribution box to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a safe and reliable dual-power distribution box comprises a base, wherein an insulating layer is fixedly arranged on the inner side wall of the base, a mesh plate is fixedly arranged at the bottom of an inner cavity of the insulating layer, a power supply change-over switch, a common power supply surge protector, a common power supply switch, a common power supply wiring end, a standby power supply surge protector, a standby power supply switch and a standby power supply wiring end are fixedly arranged on the front side wall of the mesh plate, the power supply change-over switch is fixedly arranged at the front center of the mesh plate, the common power supply surge protector is electrically connected to the upper left side of the power supply change-over switch, the common power supply surge protector is electrically connected to the lower side of the common power supply surge protector, a ground wire is fixedly connected to the rear side wall of the common power supply surge protector, the common power supply wiring end is electrically connected, the utility model discloses a power supply surge protector, including power change over switch, stand-by power supply surge protector's the upper right side electric connection has stand-by power supply surge protector, stand-by power supply surge protector's back lateral wall fixedly connected with ground wire, the lower lateral wall that the ground wire passed the base is connected to ground, stand-by power supply switch's below electric connection has stand-by power supply wiring end, stand-by power supply wiring end's right side wall swing joint has the stand-by power supply inlet wire, the middle swing joint of power change over switch's lower lateral wall has power output line.

The insulating layer pivot is connected with the electric cabinet door, the fixed transparent observation window that is provided with in centre of electric cabinet door, the fixed insulating tape that is provided with in all around edge of electric cabinet door.

The middle of the rear side wall of the base is fixedly provided with a baffle, a cooling plate is fixedly arranged below the baffle of the rear side wall of the base, and the cooling plate inclines downwards for forty-five degrees.

The middle of the right side wall of the base is provided with a standby power supply inlet, the middle of the left side wall of the base is provided with a common power supply inlet, and the bottom of the left side wall of the base is movably provided with a bin gate.

The fixed square storehouse that is provided with in rear side of the lower inside wall of insulating layer, the drying ball is equipped with in the square storehouse, the rear side fixed mounting of the last inside wall of insulating layer has the dead lever, the lower lateral wall fixed mounting of dead lever has the fan, fan electric connection has power change over switch.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of reasonable design, power supply line installs on insulating mesh board partially, prevent with other partial complete insulation that the circuit electric leakage from causing the electric shock danger, the radiating effect also can be strengthened to the mesh, surge protector can prevent that the huge electric current in the twinkling of an eye that the thunderbolt produced burns out the circuit, thereby protect the circuit to a certain extent, baffle and the heating panel of downward sloping can dispel the heat and prevent in sleet gets into the block terminal simultaneously, the radiating effect can be strengthened to the fan, prevent that the internal line burns out under the summer high temperature environment, the drop of water condenses when dry ball can dry internal air prevents the cold day and causes the short circuit of.

Drawings

Fig. 1 is a schematic view of the overall structure of a safe and reliable dual-power distribution box of the present invention;

fig. 2 is a schematic diagram of the left rear side wall of the dual power distribution box of the present invention;

fig. 3 is the utility model relates to a safe and reliable's dual supply power distribution box's internal structure schematic diagram.

In the figure: 1. a base; 2. an insulating layer; 3. a mesh plate; 4. a power supply changeover switch; 5. a common power surge protector; 6. a common power switch; 7. a common power supply terminal; 8. a standby power surge protector; 9. a standby power switch; 10. a backup power supply terminal; 11. leading in a common power supply; 12. leading in a standby power supply; 13. a cabinet door; 14. a transparent viewing window; 15. an insulating tape; 16. a baffle plate; 17. a heat dissipation plate; 18. a standby power supply wire inlet; 19. a common power supply wire inlet; 20. a bin gate; 21. a square bin; 22. drying the balls; 23. fixing the rod; 24. a fan; 25. a power supply output line; 26. and a ground line.

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, the present invention provides a technical solution: a safe and reliable dual-power distribution box comprises a base 1, an insulating layer 2 is fixedly arranged on the inner side wall of the base 1, a mesh plate 3 is fixedly arranged at the bottom of an inner cavity of the insulating layer 2, a power supply change-over switch 4, a common power supply surge protector 5, a common power supply switch 6, a common power supply terminal 7, a standby power supply surge protector 8, a standby power supply switch 9 and a standby power supply terminal 10 are fixedly arranged on the front side wall of the mesh plate 3, the power supply change-over switch 4 is fixedly arranged at the center of the front side of the mesh plate 3, the common power supply surge protector 5 is electrically connected to the upper left side of the power supply change-over switch 4, the common power supply switch 6 is electrically connected to the lower side of the common power supply surge protector 5, a ground wire 26 is fixedly connected to the rear side wall of, a common power supply inlet wire 11 is movably connected to the left side wall of the common power supply terminal 7, a standby power supply surge protector 8 is electrically connected to the upper right side of the power supply change-over switch 4, a standby power supply switch 9 is electrically connected to the lower side of the standby power supply surge protector 8, a ground wire 26 is fixedly connected to the rear side wall of the standby power supply surge protector 8, the ground wire 26 penetrates through the lower side wall of the base 1 and is connected to the ground, a standby power supply terminal 10 is electrically connected to the lower side of the standby power supply switch 9, a standby power supply inlet wire 12 is movably connected to the right side wall of the standby power supply terminal 10, a power supply output wire 25 is movably connected to the middle of the lower side wall of the power supply change-over switch 4, the standby power supply inlet wire 12 and the common power supply inlet wire 11 are not reversible, the power supply change-over switch 4 default, the conventional power surge protector 5 will conduct current from the ground 26 to ground.

The insulating layer 2 is connected with a cabinet door 13 in a rotating mode, a transparent observation window 14 is fixedly arranged in the middle of the cabinet door 13, insulating belts 15 are fixedly arranged on the edges of the periphery of the cabinet door 13, a constructor can observe the internal condition of the cabinet through the transparent observation window 14, and the insulating belts 15 can prevent electric leakage to cause electric shock of the constructor;

a baffle 16 is fixedly arranged in the middle of the rear side wall of the base 1, a heat dissipation plate 17 is fixedly arranged below the baffle of the rear side wall of the base 1, the heat dissipation plate 17 inclines downwards at forty-five degrees, and the baffle 16 and the heat dissipation plate 17 can prevent rain and snow from entering the distribution box;

a standby power supply inlet 18 is formed in the middle of the right side wall of the base 1, a common power supply inlet 19 is formed in the middle of the left side wall of the base 1, a bin door 20 is movably arranged at the bottom of the left side wall of the base 1, a power supply inlet can be connected into an electric box from the power supply inlet, and the bin door 20 is used for conveniently replacing a drying ball 22 in a square bin;

the fixed square storehouse 21 that is provided with in rear side of the lower inside wall of insulating layer 2, dry ball 22 is equipped with in the square storehouse 21, the rear side fixed mounting of the last inside wall of insulating layer 2 has dead lever 23, the lower lateral wall fixed mounting of dead lever 23 has fan 24, fan 24 electric connection has power change over switch 4, but dry ball 22 dry block terminal inside air, fan 24 wind direction is downwards, and the wind direction blows to heating panel 17, can strengthen the radiating effect.

The working principle is as follows: a common power inlet 11 and a standby power inlet 12 are respectively connected to a common power terminal 7 and a standby power terminal 10 in an electric box from a common power inlet 19 and a standby power inlet 18, the common power terminal 7 is electrically connected to a common power switch 6, the common power switch 6 is electrically connected to a common power surge protector 5, the common power surge protector 5 is electrically connected to a power transfer switch 4, the standby power terminal 10 is electrically connected to a standby power switch 9, the standby power switch 9 is electrically connected to a standby power surge protector 8, the standby power surge protector 8 is electrically connected to the power transfer switch 4, the power transfer switch 4 is preset to preferentially select a common power as a main power source, when the common power source is powered off, the power transfer switch 4 disconnects the common power source and connects to a standby power source, after the common power source recovers power supply, the power transfer switch 4 instantly disconnects the standby power source and connects to the common power source, when the constructor is maintaining, each power of accessible switch 6 commonly used and stand-by switch 9 disconnection respectively and maintain the test, fan 24 blows down to heating panel 17 and dry ball, thereby has improved the radiating effect promptly and has also let the inside air flow of electronic box increase drying effect.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a safe and reliable's dual supply power distribution box, includes base (1), its characterized in that: the insulation layer (2) is fixedly arranged on the inner side wall of the base (1), the mesh plate (3) is fixedly arranged at the bottom of an inner cavity of the insulation layer (2), a power conversion switch (4), a common power surge protector (5), a common power switch (6), a common power wiring end (7), a standby power surge protector (8), a standby power switch (9) and a standby power wiring end (10) are fixedly arranged on the front side wall of the mesh plate (3), the power conversion switch (4) is fixedly arranged at the front center of the mesh plate (3), the common power surge protector (5) is electrically connected to the upper left side of the power conversion switch (4), the common power switch (6) is electrically connected to the lower side of the common power surge protector (5), and a ground wire (26) is fixedly connected to the rear side wall of the common power surge protector (5), a common power supply terminal (7) is electrically connected below the common power supply switch (6), the left side wall of the common power supply wiring terminal (7) is movably connected with a common power supply inlet wire (11), the upper right of the power supply change-over switch (4) is electrically connected with a standby power supply surge protector (8), a standby power switch (9) is electrically connected below the standby power surge protector (8), the rear side wall of the standby power surge protector (8) is fixedly connected with a ground wire (26), the ground wire (26) penetrates through the lower side wall of the base (1) to be connected to the ground, a standby power supply terminal (10) is electrically connected below the standby power supply switch (9), the right side wall of the standby power supply terminal (10) is movably connected with a standby power supply inlet wire (12), the middle of the lower side wall of the power supply changeover switch (4) is movably connected with a power supply output line (25).

2. The safe and reliable dual-power distribution box of claim 1, characterized in that: the rotary shaft of the insulating layer (2) is connected with a refrigerator door (13), a transparent observation window (14) is fixedly arranged in the middle of the refrigerator door (13), and insulating tapes (15) are fixedly arranged on the edges of the periphery of the refrigerator door (13).

3. The safe and reliable dual-power distribution box of claim 1, characterized in that: the middle of the rear side wall of the base (1) is fixedly provided with a baffle (16), a cooling plate (17) is fixedly arranged below the baffle of the rear side wall of the base (1), and the cooling plate (17) inclines downwards for forty-five degrees.

4. The safe and reliable dual-power distribution box of claim 1, characterized in that: the middle of the right side wall of the base (1) is provided with a standby power supply inlet (18), the middle of the left side wall of the base (1) is provided with a common power supply inlet (19), and the bottom of the left side wall of the base (1) is movably provided with a bin door (20).

5. The safe and reliable dual-power distribution box of claim 1, characterized in that: the fixed square storehouse (21) that is provided with in rear side of the lower inside wall of insulating layer (2), be equipped with drying ball (22) in square storehouse (21), the rear side fixed mounting of the last inside wall of insulating layer (2) has dead lever (23), the lower lateral wall fixed mounting of dead lever (23) has fan (24), fan (24) electric connection has power change over switch (4).