High-voltage complete cabinet with good heat dissipation effect

Abstract

The utility model discloses a high-voltage complete cabinet with a good heat dissipation effect, which comprises an outer box body, an inner box body is arranged in the outer box body, an air channel for a gas medium to pass through is arranged between the outer box body and the inner box body, the bottom of the inner box body is provided with a plurality of first air inlet holes at equal intervals, and the inner box body is provided with a plurality of second air inlet holes at equal intervals. A plurality of first heat dissipation holes are formed in the top of the inner box body at equal intervals, a heat dissipation base is arranged at the bottom of the outer box body, a plurality of second air inlet holes are formed in the side wall face of the heat dissipation base at equal intervals, and the heat dissipation base is provided with a drawable heat dissipation assembly. External air is sucked into the air duct and the first air inlet through the heat dissipation assembly, the air duct plays a role in isolating external heat from being conducted to the inner box body, cold air moves from bottom to top from the bottom of the inner box body and exchanges heat with electrical equipment in the inner box body, and the second heat dissipation fan accelerates the air flowing speed of the air duct and the inner box body, so that the heat dissipation efficiency is improved. And the product has the advantage of good heat dissipation effect.

Description

Technical Field

[0001] This utility model relates to the field of high voltage switchgear technology, and in particular to a high voltage switchgear with good heat dissipation effect. Background Technology

[0002] A high-voltage switchgear is a high-voltage switchgear system that is assembled on-site from equipment supplied as a complete set by the manufacturer. It divides the main electrical circuit into several units, each unit being a circuit. The circuit breakers, disconnecting switches, current transformers, voltage transformers, and protection, control, and measurement equipment of each unit are assembled in a single cabinet. A power system consisting of multiple high-voltage switchgear units installed in a power plant, substation, or distribution station is called a complete switchgear system.

[0003] Distribution cabinets typically contain a large number of electrical components and wires, which can easily lead to overheating and malfunctions. Therefore, heat dissipation is necessary inside the distribution cabinet. Existing distribution cabinets generally use fixed cooling fans, which have a small heat dissipation range and reduce heat dissipation efficiency.

[0004] Therefore, the applicant has made beneficial designs and found a way to solve the above problems. The technical solution to be introduced below is generated in this context. Summary of the Invention

[0005] The purpose of this invention is to overcome the shortcomings of the traditional high-voltage complete set of power distribution equipment design and to provide a product with good heat dissipation.

[0006] To solve the above problems, the present invention adopts the following technical solution.

[0007] A high-voltage switchgear with good heat dissipation includes an outer casing, an inner casing inside the outer casing, and an air duct for gas medium to pass through between the outer casing and the inner casing. The bottom of the inner casing has several equally spaced first air inlets, and the top of the inner casing has several equally spaced first heat dissipation holes. The bottom of the outer casing has a heat dissipation base, and the side wall of the heat dissipation base has several equally spaced second air inlets. The heat dissipation base has a pull-out heat dissipation component, which is located below the first air inlets, for drawing in external air and filtering out impurities for supplying to the inner casing and the air duct. The top of the outer casing has a second heat dissipation hole, which is equipped with a second heat dissipation fan and located above the first heat dissipation hole. The outer and inner walls of the inner casing are coated with a radiative heat dissipation and cooling coating.

[0008] Preferably, the outer casing is provided with a first connecting part, the first connecting part is provided with a plurality of equally spaced first mounting holes from top to bottom, and the first connecting part is provided with a sealing groove.

[0009] Preferably, an inclined drainage part is arranged above the air duct and extends to the second heat dissipation hole.

[0010] Preferably, the inner box body is provided with a second connecting part abutting against the first connecting part, the second connecting part is provided with a second mounting hole corresponding to the first mounting hole, and the second connecting part is provided with a sealing strip and is embedded in the sealing groove.

[0011] Preferably, the heat dissipation assembly comprises a drawer cabinet, the drawer cabinet is provided with a first heat dissipation fan and is arranged below the first air inlet hole, and the drawer cabinet is provided with a medium-efficiency filter screen abutting against an air outlet of the second air inlet hole.

[0012] Preferably, the top of the outer box body is provided with two inclined baffles arranged above the second heat dissipation hole.

[0013] Preferably, the radiation heat dissipation and cooling coating is ZS-411 radiation heat dissipation and cooling coating.

[0014] Beneficial effects:

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The utility model discloses, through the first heat dissipation fan suction external air's into the air duct, cold air enters the air duct and plays the role of insulating the outside heat radiation to the inner box body, and the radiation heat dissipation and cooling coating absorbs the heat of the inner box body and carries out heat exchange with the cold air in the outer wall of the air duct, and further improves the heat dissipation effect, and simultaneously, the cold air enters the inner box body through the first air inlet hole, and exchanges heat with the electrical equipment of the inner box body from below to above, and the air is sealed after being heated and is small and rises, and is discharged from the first heat dissipation hole to the air duct, and the second heat dissipation fan sucks all hot air in the air duct, and further blocks the outside heat from affecting the inner box body, so that the product has the advantages of good heat dissipation effect. ACCURACY

[0017] Figure 1 It is a structure schematic view of a high-voltage complete cabinet with good heat dissipation effect of the utility model;

[0018] Figure 2 It is a side cross-sectional structure schematic view of a high-voltage complete cabinet with good heat dissipation effect of the utility model;

[0019] Figure 3 It is a high-voltage complete cabinet with good heat dissipation effect of the utility model Figure 2 It is a partial enlarged view A of a high-voltage complete cabinet with good heat dissipation effect of the utility model;

[0020] Figure 4 It is a cross-sectional structure schematic view of a high-voltage complete cabinet with good heat dissipation effect of the utility model;

[0021] Figure 5 It is an explosion view of the high-voltage complete cabinet with good heat dissipation effect;

[0022] Figure 6 It is a coating structure schematic view of the high-voltage complete cabinet with good heat dissipation effect;

[0023] The corresponding relationship between the reference signs in the drawings and the component names is as follows:

[0024] Reference signs: 1, outer box body; 2, inner box body; 3, air duct; 4, heat dissipation base; 5, heat dissipation assembly; 6, sealing strip; 7, radiation heat dissipation cooling coating;

[0025] 11, second heat dissipation hole; 12, second heat dissipation fan; 13, first connecting part; 14, first mounting hole; 15, sealing groove; 16, baffle;

[0026] 21, first air inlet hole; 22, first heat dissipation hole; 23, second connecting part; 24, second mounting hole;

[0027] 31, flow guide part;

[0028] 41, second air inlet hole;

[0029] 51, drawer cabinet; 52, first heat dissipation fan; 53, medium-efficiency filter screen. DETAILED DESCRIPTION

[0030] The technical solutions of the present application will be described clearly and completely below in conjunction with embodiments. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0031] In the description of the present application, it should be understood that the directions or position relationships indicated by the terms "upper", "lower", "left", "right", etc. are the directions or position relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular direction, be constructed and operated in a particular direction, and therefore cannot be understood as a limitation on the present application.

[0032] In the embodiments of the present application, "and / or" is only a description of the association relationship of the associated objects, which means that there can be three relationships, for example, A and / or B, which can represent the three cases of A alone, A and B together, and B alone. In addition, the character " / " in this paper generally represents an "or" relationship between the associated objects before and after it.

[0033] Referential example Figures 1 to 6 A high-voltage complete cabinet with good heat dissipation effect, comprising an outer box body 1, an inner box body 2 arranged in the outer box body 1, an air duct 3 arranged between the outer box body 1 and the inner box body 2 for passing gas medium, a plurality of first air inlet holes 21 arranged at the bottom of the inner box body 2 at equal intervals, a plurality of first heat dissipation holes 22 arranged at the top of the inner box body 2 at equal intervals, a heat dissipation base 4 arranged at the bottom of the outer box body 1, a side wall surface of the heat dissipation base 4 being provided with a plurality of second air inlet holes 41 arranged at equal intervals, the heat dissipation base 4 being provided with a drawable heat dissipation assembly 5 and being arranged below the first air inlet holes 21, for sucking external air and filtering impurities of the external air to the inner box body 2 and the air duct 3; the top of the outer box body 1 being provided with a second heat dissipation hole 11, the second heat dissipation hole 11 being provided with a second heat dissipation fan and being located above the first heat dissipation holes 22, the outer wall and the inner wall surface of the inner box body 2 being provided with a radiation heat dissipation cooling coating 7;

[0034] It is worth mentioning that the outer box body 1 is provided with a first connecting part 13, the first connecting part 13 being provided with a plurality of first mounting holes 14 arranged at equal intervals from top to bottom, and the first connecting part 13 being provided with a sealing groove 15;

[0035] It is worth mentioning that the upper part of the air duct 3 is provided with an inclined drainage part 31 extending to the second heat dissipation hole 11, the drainage part 31 orderly guiding the air in the air duct 3 from bottom to top to quickly enter the second heat dissipation hole 11, thereby reducing the bending distance of the gas medium;

[0036] It is worth mentioning that the inner box body 2 is provided with a second connecting part 23 abutting against the first connecting part 13, the second connecting part 23 being provided with a second mounting hole 24 corresponding to the first mounting hole 14, the second connecting part 23 being provided with a sealing strip 6 embedded in the sealing groove 15, fasteners being arranged at the first mounting hole 14 and the second mounting hole 24 to tightly connect the first connecting part 13 and the second connecting part 23, the sealing strip 6 being deformed by extrusion to fill the gap between the sealing groove 15 and the sealing strip 6, so that the air duct 3 forms a relatively closed space, preventing air leakage when the heat dissipation fan sucks air, thereby avoiding insufficient negative pressure and helping to improve the air flow speed;

[0037] It is worth mentioning that the heat dissipation assembly 5 comprises a drawer cabinet 51, the drawer cabinet 51 being provided with a first heat dissipation fan 52 and being arranged below the first air inlet hole 21, the drawer cabinet 51 being provided with a medium-efficiency filter screen 53 abutting against the air outlet of the second air inlet hole 41, the medium-efficiency filter screen 53 being replaced and the first heat dissipation fan 52 being checked by drawing the drawer cabinet 51, the medium-efficiency filter screen 53 being made of non-woven fabric, glass fiber, synthetic fiber or activated carbon;

[0038] It is worth mentioning that the top of the outer box body 1 is provided with two inclined baffles 16 arranged above the second heat dissipation hole 11, which not only blocks the dust from entering the air duct 3, but also prevents rainwater from splashing into the air duct 3 when the second heat dissipation fan 12 stops starting.

[0039] It is worth mentioning that the radiation heat dissipation coating 7 is ZS-411 radiation heat dissipation coating, which presents a macroscopically smooth and microscopically wavy radiation structure unit after film formation of the coating, which can greatly increase the heat dissipation area and conductivity, and significantly improve the heat exchange efficiency, and at the same time, the infrared absorption rate of the inner box body 2 is increased, so that the internal heat is quickly absorbed and conducted to the outer wall of the inner box body 2, and the heat dissipation speed of the inner box body 2 is accelerated.

[0040] The use principle of the utility model is described as follows:

[0041] Through the first heat dissipation fan 52, the external air is sucked into the heat dissipation base 4 through the second air inlet hole 41 and the medium efficiency filter screen 53, part of the cold air enters the air duct 3, which plays a role in isolating the external heat conduction to the inner box body 2, and exchanges heat with the radiation heat dissipation coating 7, further improving the heat dissipation effect of the inner box body 2, and the remaining cold air enters the inner box body 2 through the first air inlet hole 21, flows from bottom to top through the electrical equipment in the inner box body 2, and exchanges heat with it, and the air is heated and sealed to be smaller and rises, and is discharged from the first heat dissipation hole 22 to the air duct 3;

[0042] At the same time, the second heat dissipation fan 12 starts to suck the air medium of the air duct 3 and the first heat dissipation hole 22, discharges all the hot air through the second heat dissipation hole 11, and accelerates the flow speed of the gas medium in the air duct 3, forms an air curtain, and further blocks the external heat from affecting the inner box body 2.

[0043] The above design scheme can realize the advantages of good heat dissipation effect.

[0044] The above content is further described in detail in combination with the specific embodiments, and cannot be determined that the specific embodiments of the utility model are limited to these descriptions. For ordinary skilled persons in the technical field to which the utility model belongs, without departing from the concept of the utility model, a number of simple deductions or substitutions can be made, which should be regarded as belonging to the protection range determined by the claims of the utility model.

Claims

1. A high-voltage complete cabinet with good heat dissipation effect, comprising an outer box body (1), an inner box body (2) is arranged in the outer box body (1), characterized in that: The outer box body (1) and the inner box body (2) are provided with an air duct (3) for passing gas medium, the bottom of the inner box body (2) is provided with a plurality of equidistant first air inlet holes (21), the top of the inner box body (2) is provided with a plurality of equidistant first heat dissipation holes (22), the bottom of the outer box body (1) is provided with a heat dissipation base (4), the side wall surface of the heat dissipation base (4) is provided with a plurality of equidistant second air inlet holes (41), the heat dissipation base (4) is provided with a drawable heat dissipation assembly (5) and is arranged below the first air inlet hole (21), for sucking external air and filtering impurities to the inner box body (2) and the air duct (3); the top of the outer box body (1) is provided with a second heat dissipation hole (11), the second heat dissipation hole (11) is provided with a second heat dissipation fan and is located above the first heat dissipation hole (22), the outer wall and the inner wall surface of the inner box body (2) are provided with a radiation heat dissipation cooling coating (7).

2. The high-voltage complete cabinet with good heat dissipation effect according to claim 1, characterized in that: The outer box body (1) is provided with a first connecting portion (13), the first connecting portion (13) is provided with a plurality of equidistant first mounting holes (14) from top to bottom, and the first connecting portion (13) is provided with a sealing groove (15).

3. The high-voltage complete cabinet with good heat dissipation effect according to claim 2, characterized in that: The upper portion of the air duct (3) is provided with an inclined drainage portion (31) and extends to the second heat dissipation hole (11).

4. The high-voltage complete cabinet with good heat dissipation effect according to claim 2, characterized in that: The inner box body (2) is provided with a second connecting portion (23) and abuts against the first connecting portion (13), the second connecting portion (23) is provided with a second mounting hole (24) corresponding to the first mounting hole (14), and the second connecting portion (23) is provided with a sealing strip (6) and is embedded in the sealing groove (15).

5. The high-voltage complete cabinet with good heat dissipation effect according to claim 1, characterized in that: The heat dissipation assembly (5) comprises a drawer cabinet (51), the drawer cabinet (51) is provided with a first heat dissipation fan (52) and is arranged below the first air inlet hole (21), the drawer cabinet (51) is provided with a medium-efficiency filter screen (53), and the medium-efficiency filter screen (53) abuts against the air outlet of the second air inlet hole (41).

6. The high-voltage complete cabinet with good heat dissipation effect according to claim 1, characterized in that: The top of the outer box body (1) is provided with two inclined baffles (16), and the baffles (16) are arranged above the second heat dissipation hole (11).

7. The high-voltage complete cabinet with good heat dissipation effect according to any one of claims 2 to 6, characterized in that: The radiation heat dissipation cooling coating (7) is ZS-411 radiation heat dissipation cooling paint. The radiation heat dissipation cooling coating (7) is ZS-411 radiation heat dissipation cooling paint.

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