CN214543246U - Fixed power component integrated electric cabinet body - Google Patents

Abstract

The utility model relates to the technical field of switch cabinets, and discloses an electrical cabinet body integrated with fixed power components, which comprises a first box body, a second box body and a plurality of heat dissipation holes, wherein the first box body is used for loading a first power component with small heat productivity and good salt spray corrosion resistance; the second box body is arranged in the first box body and used for loading a second power assembly which has large heat productivity and poor salt spray corrosion resistance, the first box body is over against two ends of an air outlet of the second box body, and a ventilation assembly is arranged at the ventilation opening. The utility model discloses an integrated electric cabinet of fixed power component body is through seting up the vent on first box to set up ventilation assembly, and set up radiator fan in the air outlet position of second box, can greatly degree improve second power component's radiating efficiency, can avoid inside power component to be corroded by outside high salt fog air, and possess better rain proofness ability.

Description

Fixed power component integrated electric cabinet body

Technical Field

The utility model relates to a cubical switchboard technical field, concretely relates to fixed power component integrated electric cabinet body.

Background

In areas such as coast, island reef, boats and ships, there are a large amount of electric cabinet bodies that need to install types such as photovoltaic contravariant, new forms of energy access, unmanned on duty system water station, electric supervisory equipment, because power electronics and power component such as the interior high-power that often need to install of cabinet, photovoltaic inverter, converter, its inside generates heat comparatively seriously, has great heat dissipation demand.

The conventional electrical cabinet often dispels the heat through adopting the air-cooled form, through set up louvre and set up forms such as fan on the electrical cabinet for the inside power device radiating efficiency of electrical cabinet. However, the electrical cabinet in a conventional form is often only provided with a rain shielding structure for a rainwater environment, so that the internal power assembly is prevented from being corroded by rainwater, and the erosion of high salt mist, high humidity and the like in environments such as a coast, an island and a reef cannot play an effective role.

To the inconvenient easy perishable problem of power device heat dissipation in the first box of current, patent document CN202020187065.2 discloses a waterproof anticorrosion cubical switchboard, it is through electroplating anticorrosive coating and coating waterproof sand grip in the cubical switchboard outside to set up inlet tube and condenser pipe in inside, dispel the heat through the power device of liquid cooling form in to the cubical switchboard, it is when guaranteeing power device's radiating effect in the cubical switchboard, still possesses good waterproof anti-corrosion's effect. Although this equipment can dispel the heat to internal power device under the circumstances with the cubical switchboard is sealed, when being directed against special environment such as coast, island reef, boats and ships, because its outside adverse circumstances, liquid cooling though can rapid cooling, but breaks down more easily to liquid leakage still takes place easily when the trouble for condenser pipe etc. leads to the equipment in the first box to take place further damage, causes the unnecessary loss.

SUMMERY OF THE UTILITY MODEL

To prior art's above defect or improve in the demand one or more, the utility model provides a fixed power component integrated electric cabinet body for solve among the current electric cabinet body power device corrode the problem of damage easily under adverse circumstances.

In order to achieve the above object, the utility model provides a fixed power component integrated electric cabinet body for load different calorific capacity and corrosion resistance's first power component and second power component, include:

the first box body is used for loading the first power assembly, and is provided with a heat dissipation hole for dissipating heat of the first power assembly;

the second box body is embedded in the first box body and used for loading a second power assembly, filter plates are arranged on two opposite sides of the second box body and used for exchanging air flow inside and outside the second box body and filtering air passing through the filter plates;

the first box body and the two side walls opposite to the filter plates are further provided with ventilation openings, ventilation assemblies are arranged at the ventilation openings and comprise a plurality of ventilation plates which are arranged in parallel, and the surfaces of the ventilation plates are arranged in an inclined mode.

As a further improvement of the utility model, one side opening of first box to can dismantle at the opening part and be connected with sealed panel.

As a further improvement, the sealing panel is square, one end of the sealing panel is hinged to the first box wall, and the other end of the sealing panel is connected with the first box wall through a bolt structure.

As a further improvement, the first box opening part is provided with at least a set of protruding strake along circumference, just it is provided with joint strip to correspond protruding strake on the seal panel.

As a further improvement, the filter department of the second box still is equipped with radiator fan.

As the utility model discloses a further improvement, first box bottom still even has fixed baseplate, and this fixed baseplate includes the base plate, and base plate circumference is provided with horizontal installation panel beating and vertical installation panel beating, be provided with many strengthening ribs between horizontal installation panel beating and the vertical installation panel beating.

As a further improvement, the strengthening rib is a right-angle set square, and one of them right-angle side and the horizontal installation panel beating of this strengthening rib offset, and its another right-angle side offsets with vertical installation panel beating.

As a further improvement of the utility model, the thickness of strengthening rib is not less than 5mm, and the length on its two right-angle sides is not less than 35 mm.

As a further improvement of the utility model, many the strengthening rib interval sets up, and is double-phase adjacent distance between the strengthening rib is not more than 250 mm.

As a further improvement of the utility model, the height of the first box body is not higher than 1.5m, the height-width ratio is not more than 3.3:1.0, and the width-depth ratio is not more than 2.2: 1.0.

The above-described improved technical features may be combined with each other as long as they do not conflict with each other.

Generally, through the utility model discloses above technical scheme who conceives compares with prior art, has following beneficial effect:

(1) the utility model discloses an integrated electric cabinet body of fixed power subassembly, it is through setting up the second box in first box inside, and place the big and poor second power subassembly of salt fog resistance corrosivity of giving out heat in the second box alone, then directly load the first power subassembly that the salt fog resistance corrosivity is good of giving out heat relatively less in the first box, through separately radiating form with first power subassembly and second power subassembly, accelerate the radiating efficiency of first box internal power subassembly, and the filter of second box can filter outside high salt fog and high humidity's air, dispel the heat to it when avoiding second power subassembly to be corroded.

(2) The utility model discloses an integrated electric cabinet of fixed power component, it is through seting up the vent on first box to set up ventilation assembly, and set up radiator fan in the air outlet position of second box, can greatly degree improve second power component's radiating efficiency, and ventilation assembly's setting is guaranteeing inside the first box of external rainwater direct entering first box, causes the problem that first power component is stained with water trouble.

(3) The utility model discloses an integrated electric cabinet of fixed power component, it is articulated with first box wall through the one end with seal panel to pass through the form that bolted construction is fixed at the other end, make when needs dismantle the maintenance to first box internal power component or second box, seal panel can link to each other with first box all the time, avoids dismantling the possibility that during operation seal panel directly drops and loses from first box under the strong wind environment.

(4) The utility model discloses an integrated electric cabinet body of fixed power component, it is through setting up fixed baseplate in first box bottom to set up horizontal installation panel beating, vertical installation panel beating and strengthening rib structure on fixed baseplate, it has strengthened the anti-wind ability of the electric cabinet body itself greatly, avoids the electric cabinet body to drop with ground in the use, causes the condition of equipment trouble and damage.

(5) The utility model discloses an integrated electric cabinet body of fixed power subassembly, it is through the size of strict settlement first box structure for the height of first box is not higher than 1.5m, and its aspect ratio is not more than 3.3:1.0, and its width-to-depth ratio is not more than 2.2:1.0, and the proportion setting of first box structure has greatly restricted electric cabinet body's windward area and focus height, again through the bolted connection with the fixed baseplate, makes the electric cabinet body can directly resist 12 grades of typhoons, and needn't worry the problem that first box directly drops.

(6) The utility model discloses an electric cabinet body that fixed power component is integrated, it is through the simplest air-cooled structure to protect the big and poor second power component of salt fog resistance corrosivity of calorific capacity through the second box, make first box inside need not add more extra gas filter component and cooling module, when having reserved more heat dissipation spaces for power component, can effectively avoid complicated gas filter component and cooling module to break down, reduce the maintenance frequency of the electric cabinet body; and through simplifying the internal structure of the electric cabinet body, the occupied volume of the whole electric cabinet body can be effectively reduced, the windward area of the first box body is reduced, the height of the center of gravity is reduced, and the possibility that the electric cabinet body falls off is reduced.

Drawings

Fig. 1 is a schematic overall structural diagram of an electrical cabinet integrated with a fixed power module according to an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of the junction between the sealing panel and the first box according to the embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a second box in the embodiment of the present invention;

fig. 4 is a schematic structural diagram of the fixing base according to the embodiment of the present invention.

In all the figures, the same reference numerals denote the same features, in particular:

1. a first case; 2. a second case; 3. a ventilation assembly; 4. sealing the panel; 5. a fixed base;

101. a hinge; 102. a bolt; 103. protruding edge strips;

201. a heat radiation fan;

401. sealing rubber strips; 402. heat dissipation holes;

501. a substrate; 502. horizontally mounting a metal plate; 503. vertically installing a metal plate; 504. and (5) reinforcing ribs.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention. Furthermore, the technical features mentioned in the embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

Example (b):

the utility model discloses fixed power component integrated electric cabinet body in preferred embodiment, as shown in fig. 1 ~ 4, including first box 1, be provided with second box 2 in the first box 1, this second box 2 separates first box 1 for two work areas, wherein the inside first power component that is used for installing calorific capacity great or the slight salt fog corrosion resistance of surface energy of second box 2, and first box 1 region outside second box 2 is used for installing calorific capacity not big and the surface resists the second power component that salt fog corrodes. Through the good heat dispersion of second box 2 itself, with the inside heat of second box 2 dispel fast to guarantee the steady operation of the inside second power component of second box 2.

Simultaneously, the filter of second box 2 can filter the outside air that gets into, and the air corrosivity of avoiding getting into the inside of second box 2 is too strong, causes the corruption to the inside second power component of second box 2. Through carrying out the form of separating first box 1 inner space to separate different power module, can select different installation protection demands according to the operational environment demand of the power module itself of the inside difference of first box 1, in order to guarantee first box 1 in first power module's steady operation. The first power component mainly refers to components such as a circuit board, a control component and a driver, and mainly refers to a power component with large heat productivity and weak surface anti-corrosion performance; the second power component mainly refers to a working motor, a valve body structure, various working components and the like, and mainly refers to a power component which has smaller heat productivity than a control device and is provided with a protection structure. In the using process of the actual electric cabinet, the power assembly can be selectively placed in the first box 1 or the second box 2 according to different environmental requirements.

Preferably, here, the two sides of the second case 2 where the filter plates are disposed are directly abutted against the side walls of the first case 1, i.e., the gas blocked outside the filter plates does not flow into the first case 1 again. Because the filter itself possesses the filter capacity to corrosive salt fog gas, can remain outside the filter through the filterable corrosive gas of filter, remain this moment and can be higher than salt fog concentration in the outside gas of filter in salt fog concentration can be higher than the outside air, lead to gaseous corrosive nature reinforcing in the first box 1, be unfavorable for first power component's operation and use. Consequently through the both sides that set up the filter with second box 2 direct with the lateral wall butt of first box 1 for the salt fog impurity of interception outside the filter can not get into 1 in the first box again.

Further, as shown in fig. 1, the first casing 1 of the preferred embodiment of the present invention is hollow, and one of the side walls of the first casing 1 is connected with a sealing panel 4 by a detachable connection. Through the setting of dismantling of sealed panel 4, can satisfy quick installation and the dismantlement etc. to the inside power component of first box 1 and second box 2. Preferably, the two opposite end faces of the first box 1 are connected with sealing panels 4 in a detachable connection manner. When the power device and the second box 2 in the first box 1 need to be installed and detached, the two oppositely arranged sealing panels 4 are detached to facilitate the detachment and installation of the internal devices.

Furthermore, as shown in fig. 3, ventilation openings are arranged at two opposite ends of the first box body 1 and the second box body 2 of the filter plate, and a ventilation assembly 3 is arranged at the ventilation openings; the ventilation assembly 3 comprises a plurality of ventilation plates which are parallel and are obliquely arranged downwards, and a gap is reserved between every two adjacent ventilation plates and used for circulating air flow inside and outside the first box body 1. Here, the ventilation board on the subassembly that ventilates 3 all is the downward setting of certain angle slope, and inclination is between 45 ~ 60, and the ventilation board itself under this inclination can also seal the vent on the horizontal plane under the condition that possesses better ventilation performance, avoids the rainwater to get into inside first box 1. And preferably, the ventilation board adopts a special-shaped structure, the end surface of the ventilation board is of an arc-shaped structure, and the bottom end of the previous ventilation board just covers the top end of the next ventilation board on the horizontal plane, so that the plurality of ventilation boards form a seal on the horizontal plane, and even when facing a heavy rain environment, external rainwater cannot enter the first box body 1. Of course, the ventilation board structure here can also be directly the horizontal plate structure except the arc structure, through setting up the ventilation board slope, also can play to a certain extent and prevent that outside rainwater from getting into, but under strong wind environment, the rainwater still probably blows into in first box 1 after beating on the ventilation board.

Preferably, a heat dissipation fan 201 is further disposed at a filter plate of the second box 2, and the heat dissipation fan 201 is disposed at one filter plate of the second box 2, so that air circulation inside the second box 2 and outside the first box 1 is accelerated by the heat dissipation fan 201, and heat dissipation efficiency of the first power module inside the second box 2 is accelerated.

Further, as shown in fig. 2, the heat dissipation holes 402 formed in the first box 1 are formed in the sealing panel 4, and in order to ensure the rain-proof and erosion-resistant performance of the first box 1, the heat dissipation holes 402 are formed in a centralized manner, and the heat dissipation holes 402 are also formed in a ventilation plate manner, so that external rainwater is prevented from entering the first box 1, and the power module is prevented from being damaged. Preferably, the two opposite walls of the first casing 1 are provided with heat dissipation holes 402, the gas flow rate inside the first casing 1 can be greatly increased through the opposite heat dissipation holes 402, and the heat dissipation holes 402 on the two walls can be arranged right or staggered. And is set according to the total heat dissipation requirement according to the total amount of the heat dissipation holes 402 and according to the coefficient not less than 100 square centimeters/kilowatts.

Further, the first casing 1 of the preferred embodiment of the present invention is rotatably connected to one end of the sealing panel 4 by a hinge 101, and is fixedly connected to the opposite end by a bolt 102. Because the electric cabinet body mainly used reef island environment in this application, it often need face bad weather such as typhoon, if seal first box 1 and sealed panel 4 through conventional sealing means, if demolish sealed panel 4 when maintenance and installation comprehensively etc. because outside strong wind environment, can lead to sealed panel 4's the installation degree of difficulty big to sealed panel 4 can appear directly being blown away by strong wind in the installation problem. Therefore, one end of the sealing panel 4 is hinged to the wall surface of the first box body 1 through the hinge chain, and the other end of the sealing panel is fixed through the bolt 102, so that the sealing panel 4 always keeps a connection state with the first box body 1 regardless of a maintenance state or a working state, and the sealing panel 4 is prevented from directly falling off under a strong wind environment.

Further, the first box 1 of the preferred embodiment of the present invention is provided with at least one set of protruding edge strips 103 in the surrounding frame body of the joint of the sealing panel 4, and the corresponding protruding edge strips 103 on the sealing panel 4 are further provided with the sealing rubber strips 401. Through the corresponding setting of protruding strake 103 and joint strip 401, when seal panel 4 docks with first box 1, joint strip 401 can be sealed first box 1 well to avoid outside high salt fog corrosive gas to get into inside first box 1 from seal panel 4 and first box 1. Here joint strip 401 is meeting with protruding strake 103, and joint strip 401 can carry out certain cladding to the both sides of protruding strake 103 to avoid protruding strake 103 in long-term use, lead to its tip to be corroded by high salt fog air, lead to joint strip 401 and protruding strake 103 to separate, and then cause outside high salt fog air to get into inside first box 1 from sealed panel 4 and the articulated department of first box 1. The depth of the protruding edge strip 103 is not less than 10mm, so that when the sealing panel 4 is closed to the first box body 1, the protruding edge strip 103 can be as close as possible to the sealing panel 4, the sealing adhesive tape 401 is prevented from being deformed in the long-term use process, a gap is not easily and directly generated between the protruding edge strip 103 and the sealing panel 4, and then the high-salt-spray corrosive gas outside enters the inside of the first box body 1.

Further, as shown in fig. 4, the lower end of the first box 1 is further connected with a fixed base 5, the fixed base 5 is fixedly connected with the first box 1, and the first box 1 and the fixed base 5 are connected by a bolt 102 structure. Here, the bolt 102 is a stainless steel bolt 102, and the number of stainless steel bolts 102 is not less than 8. Since the electric cabinet in this application is mainly used in the reef island environment, which is not only facing the corrosion of the high salt fog air, but also facing the strong wind environment, the stainless steel bolts 102 are used here to connect the fixed base 5 and the first case 1, so as to ensure the stability of the two. After first box 1 passes through bolt 102 structural connection with fixed baseplate 5, reuse forms such as cement prefab, thread tightening with fixed baseplate 5 and ground fixed connection, on one hand the wind-resistant ability of the electric cabinet body has been ensured greatly to its on the other hand accessible when the electric cabinet body is impaired or needs to be changed unscrew bolt 102 between first box 1 and the fixed baseplate 5, and then reach the purpose of changing the electric cabinet body.

Further, the utility model discloses fixed baseplate 5 in the preferred embodiment includes base plate 501, is provided with horizontal installation panel beating 502 and vertical installation panel beating 503 around base plate 501 to the interval sets up a plurality of strengthening ribs 504 between horizontal installation panel beating 502 and vertical installation panel beating 503. The whole body of the reinforcing rib 504 is a right-angle triangle, one of the right-angle sides of the reinforcing rib 504 abuts against the horizontal installation metal plate 502, and the other right-angle side abuts against the vertical installation metal plate 503. Through the setting of horizontal installation panel beating 502, vertical installation panel beating 503 and strengthening rib 504 structure, increase the area of contact on fixed baseplate 5 and ground, not only improve fixed baseplate 5's anti-wind ability greatly, still increase the fastness of fixed baseplate 5 in the use. Here, the vertical mounting metal plate 503 may not be separately provided, and the vertical mounting metal plate 503 and the substrate 501 may be directly fixed only by providing the horizontal mounting metal plate 502 and by the reinforcing rib 504.

Preferably, neither of the legs 504 is less than 35mm in length, and the rib 504 is no less than 5mm thick. The contact surfaces of the reinforcing ribs 504 and the horizontal installation metal plates 502 and the vertical installation metal plates 503 are increased by increasing the thickness of the reinforcing ribs 504 and the length of the two right-angle sides, and the fixing capacity of the reinforcing ribs 504 to the horizontal installation metal plates 502 and the vertical installation metal plates 503 is improved. Preferably, the distance between two adjacent reinforcing ribs 504 on the fixing base 5 is not more than 250mm, and here, the dense arrangement of the reinforcing ribs 504 can also greatly improve the fixing effect on the horizontal mounting sheet metal 502 and the vertical mounting sheet metal 503.

Further, the height of the first box 1 in the preferred embodiment of the present invention is not more than 1.5m, the height-width ratio is not more than 3.3:1.0, the width-depth ratio is not more than 2.2:1.0, the windward area and the gravity center height of the first box 1 are greatly reduced by reasonably setting the height, the height-width ratio and the width-depth ratio of the first box 1, and then the fixed base 5 is used for fixing, so that the electric cabinet integrated with the fixed power assembly can directly resist 12-level typhoon, and can meet the working requirements under high wind environments such as island, coast and ship.

It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.

Claims (10)

1. A fixed power component integrated electrical cabinet for loading first and second power components of different heating values and corrosion resistance, comprising:

the first box body is used for loading the first power assembly, and is provided with a heat dissipation hole for dissipating heat of the first power assembly;

the second box body is embedded in the first box body and used for loading a second power assembly, filter plates are arranged on two opposite sides of the second box body and used for exchanging air flow inside and outside the second box body and filtering air passing through the filter plates;

the side wall of the first box body opposite to the two filter plates is also provided with a vent, and a ventilation assembly is arranged at the vent; the ventilation assembly comprises a plurality of ventilation plates arranged in parallel, and the ventilation plates are arranged on the surfaces of the ventilation plates in an inclined mode.

2. The stationary power assembly integrated electrical cabinet according to claim 1, wherein the first housing is open at one side and a sealing panel is removably attached at the opening.

3. The stationary power module integrated electrical cabinet according to claim 2, wherein the sealing panel is hinged to the first box wall at one end and is connected to the first box wall at the other end by a bolt structure.

4. The stationary power component integrated electrical cabinet according to claim 2, wherein the first box opening is circumferentially provided with at least one set of protruding strips, and the sealing panel is provided with sealing strips corresponding to the protruding strips.

5. The stationary power module integrated electrical cabinet according to claim 1, wherein a heat dissipation fan is further disposed at the filter board of the second box.

6. The fixed power component integrated electric cabinet according to claim 4, wherein a fixed base is further connected to the bottom end of the first box body, the fixed base comprises a base plate, a horizontal installation metal plate and a vertical installation metal plate are circumferentially arranged on the base plate, and a plurality of reinforcing ribs are arranged between the horizontal installation metal plate and the vertical installation metal plate.

7. The electrical cabinet of claim 6, wherein the stiffener is a right-angle triangle, one of the right-angle edges of the stiffener abuts against the horizontally-mounted metal plate, and the other right-angle edge of the stiffener abuts against the vertically-mounted metal plate.

8. The stationary power assembly integrated electrical cabinet according to claim 7, wherein the stiffener has a thickness of no less than 5mm and a length of two perpendicular sides of no less than 35 mm.

9. The stationary power module integrated electrical cabinet according to claim 8, wherein a plurality of said ribs are spaced apart and the distance between two adjacent ribs is no greater than 250 mm.

10. The stationary power assembly integrated electrical cabinet according to claim 9, wherein the first box has a height no greater than 1.5m, an aspect ratio no greater than 3.3:1.0, and a width to depth ratio no greater than 2.2: 1.0.

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