CN110707550B

CN110707550B - Power electrical power distribution cabinet that compressive property is good

Info

Publication number: CN110707550B
Application number: CN201911061697.2A
Authority: CN
Inventors: 贺康; 黎泽辉
Original assignee: China Three Gorges University CTGU
Current assignee: China Three Gorges University CTGU
Priority date: 2019-11-02
Filing date: 2019-11-02
Publication date: 2021-04-30
Anticipated expiration: 2039-11-02
Also published as: CN110707550A

Abstract

The invention relates to the field of electric power and electrical equipment, and discloses an electric power and electrical power distribution cabinet with good compression resistance, which comprises an outer box body, an inner box body, supporting frame plates, reinforcing ribs, a supporting plate, an air outlet and a sealing partition plate, wherein the inner box body is arranged inside the outer box body, a plurality of supporting frame plates are fixedly arranged between the outer box body and the inner box body, and a plurality of reinforcing ribs are arranged among the supporting frame plates for supporting and reinforcing; the bottom of outer box both sides has seted up air intake and air outlet respectively, the vent has all been seted up to the top and the bottom of interior box. This electric power distribution cabinet that compressive property is good places the outer box in through interior box in, and the design is consolidated in the strutting of cooperation supporting sheet frame and strengthening rib, has improved the compressive property of interior box, can prevent that external disconnected branch etc. from pounding interior box, and the inside electrical element of box is impaired in leading to, the effectual normal, the safe handling that has ensured the switch board.

Description

Power electrical power distribution cabinet that compressive property is good

Technical Field

The invention relates to the field of power electrical equipment, in particular to a power electrical power distribution cabinet with good compression resistance.

Background

The power distribution cabinet is the final-stage equipment of a power distribution system and is a general name of a motor control center, the power distribution cabinet is often used in occasions with dispersed loads and less loops, the motor control center is used in occasions with concentrated loads and more loops and distributes electric energy of a certain circuit of the previous-stage power distribution equipment to nearby loads, and electrical components such as a circuit breaker, a contactor, an intermediate relay, a heat relay, a button, an indicator light, a universal change-over switch and a travel switch are arranged in a common power electrical power distribution cabinet.

The existing power electrical power distribution cabinets are respectively arranged indoors and outdoors according to specific use conditions, when the power distribution cabinets are arranged outdoors, the power distribution cabinets are hollow boxes, so that the compression resistance is low, objects such as broken branches and the like easily damage the power distribution cabinets under an outdoor environment, so that electrical elements in the power distribution cabinets are damaged, and the normal and safe use of the power distribution cabinets is influenced; and the inside electric elements of switch board is in under the operating condition of circular telegram for a long time, if the ventilation groove of locating outdoor switch board is seted up great, then when rainy day, in the switch board is infiltrated easily to the rainwater, leads to inside electric elements to wet and the short circuit, if the ventilation groove of switch board is seted up lessly, then influences its heat dispersion, leads to electric elements high temperature, burns out easily, influences the normal, the safe handling of switch board.

Disclosure of Invention

The invention provides a power electrical power distribution cabinet with good compression resistance, which has the advantages of good compression resistance, good heat dissipation effect and good rainwater protection performance, and solves the technical problems mentioned in the background technology.

The invention provides the following technical scheme: a power electric power distribution cabinet with good compression resistance comprises an outer box body, an inner box body, supporting frame plates, reinforcing ribs, a supporting plate, an air outlet and a sealing partition plate, wherein the inner box body is arranged inside the outer box body, a plurality of supporting frame plates are fixedly arranged between the outer box body and the inner box body, and a plurality of reinforcing ribs are arranged among the supporting frame plates for supporting and reinforcing; air intake and air outlet have been seted up respectively to the bottom of outer box both sides, the vent has all been seted up to the top and the bottom of interior box, and the air current flows in the air intake gets into the outer box and from the vent at interior box top, and vent, the air outlet through interior box bottom discharge in proper order again, the opening size of the vent of interior box top and bottom is the whole plane of this department, and the one side of interior box top keeping away from the air inlet on the outer box is equipped with the baffle.

Preferably, the inner cavity of the inner box body is provided with two limiting plates, the two limiting plates are used for fixing the component mounting plate through screws, the back surface of the component mounting plate is provided with a plurality of radiating fins, and the radiating fins are in a vertical state and are distributed on the component mounting plate at equal intervals.

Preferably, the inner cavity of the supporting plate is provided with a supporting plate positioned at the bottom of the inner box body, the supporting plate is provided with through holes positioned at two sides of the inner box body, and the bottom of the outer box body is also provided with through holes.

Preferably, the air inlets, the air outlets and the ventilation openings at the top and the bottom of the inner box body are respectively provided with a blocking net, and the air inlets and the air outlets are provided with flow guide fans.

The invention has the following beneficial effects:

according to the power electrical power distribution cabinet with good compression resistance, the inner box body is arranged in the outer box body, and the support reinforcement design of the support plate frame and the reinforcing ribs is matched, so that the compression resistance of the inner box body is improved, external broken branches and the like can be prevented from hitting the inner box body, internal electrical elements of the inner box body are prevented from being damaged, and the normal and safe use of the power distribution cabinet is effectively guaranteed; and flow through the air intake entering of outer box bottom, the top vent of interior box, the bottom vent and the air outlet of interior box in proper order through the air current for when the radiating effect is good, in avoiding rainwater infiltration interior box, effectual safe handling who ensures interior box electrical components utilizes the design of a plurality of supporting plate frames simultaneously, forms the air water conservancy diversion, makes the air current stably flow, can not form the vortex in the interior box, has further improved the radiating effect.

Drawings

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

FIG. 2 is a side cutaway view of FIG. 1 in accordance with the present invention;

fig. 3 is a back schematic view of the mounting plate for the structural component of fig. 1 according to the present invention.

In the figure: 1. an outer case; 2. an inner box body; 201. a top-limiting plate; 202. a component mounting plate; 203. a heat dissipating fin; 3. a supporting plate frame; 4. reinforcing ribs; 5. a support plate; 6. an air inlet; 7. an air outlet; 8. and sealing the partition plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, an electric power distribution cabinet with good compression resistance comprises an outer box body 1, an inner box body 2, supporting frame plates 3, reinforcing ribs 4, a supporting plate 5, an air outlet 7 and a sealing partition plate 8, wherein the inner box body 2 is arranged inside the outer box body 1, a plurality of supporting frame plates 3 are fixedly arranged between the outer box body 1 and the inner box body 2, and a plurality of reinforcing ribs 4 are arranged among the supporting frame plates 3 for supporting and reinforcing, the compression resistance of the inner box body 2 is improved by arranging the inner box body 2 in the outer box body 1 and matching the supporting and reinforcing design of the supporting frame plates 3 and the reinforcing ribs 4, external branches and the like can be prevented from being broken to the inner box body 2, so that internal electric elements of the inner box body 2 are damaged, and the normal and safe use of the distribution cabinet is effectively guaranteed; the bottom of the two sides of the outer box body 1 is respectively provided with an air inlet 6 and an air outlet 7, the top and the bottom of the inner box body 2 are both provided with vents, airflow enters the outer box body 1 through the air inlet 6 and flows in from the vents at the top of the inner box body 2, then is discharged through the vents at the bottom of the inner box body 2 and the air outlet 7 in sequence, and then flows through the air inlet 6 at the bottom of the outer box body 1, the vents at the top of the inner box body 2, the vents at the bottom of the inner box body 2 and the air outlet 7 in sequence, so that the heat dissipation effect is good, rainwater is prevented from permeating into the inner box body 2, the safe use of electrical components of the inner box body 2 is effectively ensured, meanwhile, a plurality of air guide notifications are formed by utilizing the design of a plurality of supporting plate frames 3, the airflow stably flows, no turbulent flow is formed in the inner box body 2, the heat dissipation, make the air current flow through the inside of interior box 2 completely, under the condition that does not form the vortex, can improve the effective effect space of air current to ensure that the radiating effect of the inside electric elements of interior box 2 is better, and one side that interior box 2 top was kept away from air inlet 6 on the outer box 1 is equipped with and seals baffle 8, ensures that the air current from air inlet 6 back of getting into, from the vent inflow at interior box 2 top.

Wherein, 2 inner chambers of interior box are equipped with two limiting plates 201, pass through screw fixation components and parts mounting panel 202 on two limiting plates 201, and the back of components and parts mounting panel 202 is equipped with a plurality of radiating fin 203, and a plurality of radiating fin 203 are vertical state and equidistance distribution on components and parts mounting panel 202, utilizes the design of a plurality of radiating fin 203, cooperates it to form the water conservancy diversion passageway, is favorable to the heat dissipation at electrical element back.

Wherein, the inner chamber of backup pad 5 is equipped with backup pad 5 that is located 2 bottoms of interior box, and sets up the through-hole that is located 2 both sides of interior box on the backup pad 5, and the through-hole has been seted up equally to the bottom of outer box 1, and when rainwater weather, the inside rainwater of the outer box 1 of infiltration stays through the through-hole in backup pad 5 to discharge by the through-hole of outer box 1 bottom, prevent that the infiltration from piling up the inside rainwater of outer box 1.

Wherein, the vent of air intake 6, air outlet 7 and interior box 2 top and bottom all is equipped with keeps off the net, and box 2 in effectual impurity such as mosquito, the big particulate matter got into in having avoided the air current, and effectual normal, the safe handling of the inside electric elements of box 2 in having ensured, and air intake 6 and air outlet 7 department are equipped with the water conservancy diversion fan, and the interior air flow rate of accelerating with the water conservancy diversion fan further improves the radiating efficiency of switch board.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, 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.

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 power electrical power distribution cabinet that compressive property is good, includes outer box (1), interior box (2), strut framed panel (3), strengthening rib (4), backup pad (5), air outlet (7) and seals baffle (8), its characterized in that: the inner box body (2) is arranged inside the outer box body (1), a plurality of supporting frame plates (3) are fixedly arranged between the outer box body (1) and the inner box body (2), and a plurality of reinforcing ribs (4) are arranged among the supporting frame plates (3) for supporting and reinforcing; air intake (6) and air outlet (7) have been seted up respectively to the bottom of outer box (1) both sides, the vent has all been seted up to the top and the bottom of interior box (2), and the air current gets into in outer box (1) and flows in from the vent at interior box (2) top through air intake (6), and vent, air outlet (7) through interior box (2) bottom are discharged in proper order again, the opening size of the vent of interior box (2) top and bottom is the whole plane of this department, and the one side of keeping away from outer box (1) air intake (6) at interior box (2) top is equipped with seals baffle (8).

2. The power distribution cabinet with good pressure resistance of claim 1, characterized in that: the inner cavity of the inner box body (2) is provided with two limiting plates (201), the two limiting plates (201) are fixed with the component mounting plate (202) through screws, the back of the component mounting plate (202) is provided with a plurality of radiating fins (203), and the radiating fins (203) are in a vertical state and are distributed on the component mounting plate (202) at equal intervals.

3. The power distribution cabinet with good pressure resistance of claim 1, characterized in that: the inner cavity of the supporting plate (5) is provided with the supporting plate (5) located at the bottom of the inner box body (2), through holes located at two sides of the inner box body (2) are formed in the supporting plate (5), and the bottom of the outer box body (1) is also provided with the through holes.

4. The power distribution cabinet with good pressure resistance of claim 1, characterized in that: the ventilation openings at the top and the bottom of the air inlet (6), the air outlet (7) and the inner box body (2) are respectively provided with a blocking net, and the air inlet (6) and the air outlet (7) are provided with a flow guide fan.