CN210838563U

CN210838563U - Anti-flashover distribution box

Info

Publication number: CN210838563U
Application number: CN201921528563.2U
Authority: CN
Inventors: 万小平
Original assignee: Hubei Lingyun Electric Power Construction Co ltd
Current assignee: Hubei Lingyun Electric Power Construction Co ltd
Priority date: 2019-09-16
Filing date: 2019-09-16
Publication date: 2020-06-23
Anticipated expiration: 2029-09-16

Abstract

The utility model relates to a block terminal technical field just discloses a prevent flash-over block terminal, including the block terminal body, the vent has all been seted up to the left and right sides of block terminal body, the inside fixed mounting of vent has a dust screen fan. This prevent distribution box of arcing, meet moist weather through the vent, the drive scavenger fan begins work, when two scavenger fans simultaneous workings, accelerate the speed of this internal circulation of air of distribution box, because the arcing produces in moist environment easily, discharge its inside humid gas, can effectually avoid the production of arcing, through first dust screen in this internal circulation of air of distribution box, can effectually avoid making its inside device damage with impurity entering into the incasement, through support column and spacer, in the installation mounting panel, can effectually give off the heat on the mounting panel through the fin, the mesh that the protectiveness is good has been reached.

Description

Anti-flashover distribution box

Technical Field

The utility model relates to a block terminal technical field specifically is a prevent flash of arc block terminal.

Background

The distribution box is formed by assembling switch equipment, measuring instruments, protective electrical appliances and auxiliary equipment in a closed or semi-closed metal cabinet according to the electrical wiring requirement to form a low-voltage distribution device, and a circuit can be switched on or switched off by a manual or automatic switch in normal operation, and the circuit can be switched off or an alarm by the protective electrical appliances in fault or abnormal operation.

Distribution box in the existing market is various, but the shortcoming that the ubiquitous protectiveness is low, and current distribution box can produce the phenomenon of abnormal discharge in the distribution box because the production of flashover phenomenon, can make the interior device of distribution box damage, and in moist environment, this kind of flashover phenomenon takes place more easily for life in the distribution box reduces greatly, so proposes a prevent flashover distribution box and solves above-mentioned problem that proposes.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a prevent flash-over block terminal possesses advantages such as the protectiveness is good, has solved the shortcoming that ubiquitous protectiveness is low, and current block terminal because the production of flash-over phenomenon can produce the phenomenon of abnormal discharge in the block terminal, probably can make the interior device of block terminal damage, and in moist environment, this kind of flash-over phenomenon takes place more easily for life in the block terminal reduces's problem greatly.

(II) technical scheme

For the purpose that realizes above-mentioned protectiveness is good, the utility model provides a following technical scheme: an anti-arcing distribution box comprises a distribution box body, wherein ventilation openings are formed in the left side and the right side of the distribution box body, a first dust screen is fixedly installed inside each ventilation opening, ventilation fans are fixedly installed on the left side wall and the right side wall of an inner cavity of the distribution box body, a support column is fixedly installed on the back wall of the inner cavity of the distribution box body, a spacer block is fixedly installed on the outer surface of the support column, a mounting plate is fixedly installed on the front surface of the spacer block and positioned on the outer surface of the support column, a fixing bolt is fixedly installed on the front surface of the mounting plate, one end, close to the mounting plate, of the fixing bolt penetrates through and extends to the back surface of the distribution box body, a flat washer is movably installed on the outer surface of the fixing bolt and positioned on the back surface of the distribution box body, the utility model discloses a power distribution box, including mounting panel, terminal box body, conducting cover, insulating cover, the inside fixed mounting that is located insulating cover has the second dust screen, the back fixed mounting of thermovent has the fin, the bottom fixed mounting of mounting panel has the supporting legs, the conducting port has been seted up at the top of supporting legs, the bottom of terminal box body and the inside fixed mounting that is located the conducting port have lead electrical pillar, the positive fixed mounting of mounting panel has the insulating cover, the outward appearance fixed mounting of insulating cover has insulating cover, the inside of insulating cover and the surface movable mounting that is located the insulating cover have insulating cover, the positive movable.

Preferably, two the vent is the left and right sides of symmetric distribution in block terminal body axis, the size of first dust screen and the size looks adaptation of vent.

Preferably, two the scavenger fan is the symmetric distribution in the left and right sides of block terminal body axis, the quantity of support column is four, and evenly distributed is at the back wall of block terminal body inner chamber.

Preferably, the inner diameter of the spacer block is matched with the outer diameter of the support column, the number of the fixing bolts is four, and the fixing bolts are evenly distributed on the front face of the mounting plate.

Preferably, the outer diameter of the fixing bolt is matched with the inner diameters of the flat washer and the fixing nut respectively, and the size of the heat dissipation opening is matched with that of the second dust screen.

Preferably, the number of supporting legs is four, and evenly distributed is in the bottom of block terminal body, the internal diameter of electrically conductive mouth and the external diameter looks adaptation of leading electrical pillar.

(III) advantageous effects

Compared with the prior art, the utility model provides a prevent block terminal of arcing possesses following beneficial effect:

1. this prevent distribution box of arcing, meet moist weather through the vent, the drive scavenger fan begins work, when two scavenger fans simultaneous workings, accelerate the speed of this internal circulation of air of distribution box, because the arcing produces easily in moist environment, discharge its inside humid gas, can effectually avoid the production of arcing, through first dust screen in this internal circulation of air of distribution box, can effectually avoid entering into the incasement with impurity and make its inside device damage, through support column and spacer, in the installation mounting panel, make to be equipped with one end distance between its and the thermovent and install the fin, can effectually give off the heat on the mounting panel through the fin, avoid this internal device damage because of high temperature of distribution box, the purpose that the protectiveness is good has been reached.

2. This prevent block terminal of arcing, lead electrical pillar through the inside supporting legs, static and electric arc that can be on the block terminal body convey the end of the ground through leading electrical pillar, prevent that static and electric arc from leading to the electrical distribution equipment and causing the injury, when leading electrical pillar to protect through the electrically conductive mouth, also make it fix more stably, installation through the insulating boot, can prevent that the arcing from destroying circuit equipment, the rate of utilization is improved and life, be used for reducing friction through the plain washer, prevent to leak, keep apart, prevent that the pine from taking off and dispersed pressure, make the mounting panel fix more stably, thereby the purpose that the protectiveness is good has been reached.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural diagram of the mounting plate of the present invention.

In the figure: the air conditioner comprises a distribution box body 1, a vent hole 2, a first dustproof net 3, a ventilation fan 4, a support column 5, a spacer block 6, a mounting plate 7, a fixing bolt 8, a flat gasket 9, a fixing nut 10, a heat dissipation port 11, a second dustproof net 12, heat dissipation fins 13, supporting legs 14, a conductive port 15, a conductive column 16, an insulating cover 17, an insulating sleeve 18, an insulating cover 19 and a box door 20.

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. 1-2, an anti-arcing distribution box comprises a distribution box body 1, wherein the left side and the right side of the distribution box body 1 are both provided with vents 2, the two vents 2 are symmetrically distributed on the left side and the right side of the central axis of the distribution box body 1, the size of a first dust screen 3 is matched with the size of the vents 2, the first dust screen 3 is fixedly installed inside the vents 2, the left side wall and the right side wall of the inner cavity of the distribution box body 1 are both fixedly provided with ventilators 4, the types of the ventilators 4 can be FA-20P, when the vents 2 meet humid weather, the ventilators 4 are driven to start working, when the two ventilators 4 work simultaneously, the air circulation rate in the distribution box body 1 is accelerated, and as arcing is easily generated in a humid environment, humid gas inside the flashover is discharged, and the generation of arcing can be effectively avoided, when air circulates in the distribution box body 1 through the first dust screen 3, the damage of internal devices caused by the fact that impurities enter the distribution box can be effectively avoided, when the mounting plate 7 is mounted through the supporting columns 5 and the spacer blocks 6, one end distance is arranged between the mounting plate 7 and the heat dissipation port 11 to mount the heat dissipation fins 13, heat on the mounting plate 7 can be effectively dissipated through the heat dissipation fins 13, the damage of the devices caused by high temperature in the distribution box body 1 is avoided, and the purpose of good protection is achieved, the two ventilation fans 4 are symmetrically distributed on the left side and the right side of the central axis of the distribution box body 1, the number of the supporting columns 5 is four, the four ventilation fans are uniformly distributed on the back wall of the inner cavity of the distribution box body 1, the supporting columns 5 are fixedly mounted on the back wall of the inner cavity of the distribution box body 1, the spacer blocks 6 are fixedly mounted on the outer, the front of the mounting plate 7 is fixedly provided with fixing bolts 8, the inner diameter of the spacer 6 is matched with the outer diameter of the support column 5, the number of the fixing bolts 8 is four, the fixing bolts are uniformly distributed on the front of the mounting plate 7, one end of each fixing bolt 8, which is close to the mounting plate 7, penetrates through and extends to the back of the distribution box body 1, the outer diameter of each fixing bolt 8 is respectively matched with the inner diameters of a flat washer 9 and a fixing nut 10, the size of a heat dissipation port 11 is matched with the size of a second dust screen 12, a flat washer 9 is movably arranged on the outer surface of each fixing bolt 8 and positioned on the back of the distribution box body 1, a fixing nut 10 is movably arranged on the outer surface of each fixing bolt 8 and positioned on the outer surface of the flat washer 9, and a conductive column is arranged on the ground through the distribution box 16 in the support legs 14, static, the conductive column 16 is protected through the conductive port 15 and is fixed more stably, the installation of the insulating cover 17 can prevent flashover from damaging circuit equipment, the utilization rate and the service life are improved, the flat gasket 9 is used for reducing friction, preventing leakage, isolating, preventing loosening and dispersing pressure, so that the mounting plate 7 is fixed more stably, and the purpose of good protection is achieved, the back surface of the distribution box body 1 is provided with the heat dissipation port 11, the inside of the heat dissipation port 11 is fixedly provided with the second dustproof net 12, the back surface of the mounting plate 7 is fixedly provided with the radiating fin 13, the bottom of the distribution box body 1 is fixedly provided with four supporting legs 14, the number of the supporting legs 14 is four, the supporting legs are uniformly distributed at the bottom of the distribution box body 1, the inner diameter of the conductive port 15 is matched with the outer diameter of the conductive column 16, the top of the supporting legs 14 is provided with the conductive port 15, the bottom of the distribution box body 1 is positioned in the inside of the conductive port, the front of mounting panel 7 is fixed with insulating boot 17, and the outward appearance fixed mounting of insulating boot 17 has insulating cover 18, and the inside of insulating cover 18 and the outward appearance movable mounting that is located insulating boot 17 have insulating lid 19, and the front movable mounting of block terminal body 1 has the cabinet door 20.

When the distribution box is used, when the two ventilation fans 4 work simultaneously, the speed of air circulation in the distribution box body 1 is increased, and due to the fact that flashover is easily generated in a humid environment, humid gas in the distribution box body is discharged, and the flashover can be effectively avoided.

In conclusion, the anti-flashover distribution box drives the ventilation fan 4 to work through the ventilation opening 2 when meeting humid weather, when the two air exchange fans 4 work simultaneously, the speed of air circulation in the distribution box body 1 is increased, because the flashover is easy to generate in a humid environment, the humid gas in the flashover is discharged, the generation of the flashover can be effectively avoided, when the air in the distribution box body 1 circulates through the first dustproof net 3, the damage of internal devices caused by the impurities entering the distribution box can be effectively avoided, and the first dustproof net passes through the supporting columns 5 and the spacing blocks 6, when the mounting plate 7 is mounted, a distance is arranged between the mounting plate and the heat dissipation port 11 to mount the heat dissipation fins 13, can effectually give off the heat on the mounting panel 7 through fin 13, avoid the block terminal body 1 in make the device damage because of high temperature, reach the good mesh of protectiveness.

Moreover, through the conductive column 16 inside the supporting foot 14, the static electricity and the electric arc on the distribution box body 1 can be transmitted to the ground bottom through the conductive column 16, the damage of the static electricity and the electric arc to the distribution equipment is prevented, the conductive column 16 is protected through the conductive port 15, meanwhile, the fixation is more stable, through the installation of the insulating cover 17, the flashover damage to the circuit equipment can be prevented, the utilization rate is improved, the service life is prolonged, the flat gasket 9 is used for reducing friction, preventing leakage, isolating, preventing loosening and dispersing pressure, so that the mounting plate 7 is more stably fixed, the purpose of good protection is achieved, the defect of low protection in general is solved, the phenomenon of abnormal discharge can be generated in the distribution box due to the generation of the flashover phenomenon, the devices in the distribution box can be damaged, and the flashover phenomenon can be more easily generated in a humid environment, the service life in the distribution box is greatly shortened.

It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 prevent flash-over block terminal, includes block terminal body (1), its characterized in that: the ventilating openings (2) are formed in the left side and the right side of the distribution box body (1), a first dust screen (3) is fixedly mounted inside the ventilating openings (2), the ventilating fan (4) is fixedly mounted on the left side wall and the right side wall of the inner cavity of the distribution box body (1), the supporting columns (5) are fixedly mounted on the back wall of the inner cavity of the distribution box body (1), the spacer blocks (6) are fixedly mounted on the outer surfaces of the supporting columns (5), the mounting plates (7) are fixedly mounted on the front surfaces of the spacer blocks (6), the fixing bolts (8) are fixedly mounted on the front surfaces of the mounting plates (7), one ends of the fixing bolts (8) close to the mounting plates (7) penetrate through and extend to the back surface of the distribution box body (1), and the flat washers (9) are movably mounted on the outer surfaces of the fixing bolts (8) and the back, the outer surface of the fixing bolt (8) and the outer surface movable mounting who is located the plain washer (9) are provided with a fixing nut (10), a heat dissipation opening (11) is opened at the back of the distribution box body (1), a second dust screen (12) is fixedly mounted inside the heat dissipation opening (11), a heat dissipation fin (13) is fixedly mounted at the back of the mounting plate (7), supporting legs (14) are fixedly mounted at the bottom of the distribution box body (1), a conductive opening (15) is opened at the top of the supporting legs (14), a conductive column (16) is fixedly mounted at the bottom of the distribution box body (1) and inside the conductive opening (15), an insulating cover (17) is fixedly mounted at the front of the mounting plate (7), an insulating sleeve (18) is fixedly mounted at the outer surface of the insulating cover (17), an insulating cover (19) is movably mounted at the outer surface of the insulating sleeve (18) and located the insulating cover (17), the front surface of the distribution box body (1) is movably provided with a distribution box door (20).

2. The flashover prevention distribution box of claim 1, wherein: two vent (2) are the left and right sides of symmetric distribution in block terminal body (1) axis, the size of first dust screen (3) and the size looks adaptation of vent (2).

3. The flashover prevention distribution box of claim 1, wherein: two scavenger fans (4) are the symmetric distribution in the left and right sides of block terminal body (1) axis, the quantity of support column (5) is four, and evenly distributed is at the back wall of block terminal body (1) inner chamber.

4. The flashover prevention distribution box of claim 1, wherein: the internal diameter of spacer block (6) and the external diameter looks adaptation of support column (5), the quantity of fixing bolt (8) is four, and evenly distributed is in the front of mounting panel (7).

5. The flashover prevention distribution box of claim 1, wherein: the outer diameter of the fixing bolt (8) is matched with the inner diameters of the flat washer (9) and the fixing nut (10) respectively, and the size of the heat dissipation opening (11) is matched with the size of the second dust screen (12).

6. The flashover prevention distribution box of claim 1, wherein: the quantity of supporting legs (14) is four, and evenly distributed is in the bottom of block terminal body (1), the internal diameter of electrically conductive mouth (15) and the external diameter looks adaptation of leading electrical pillar (16).