阅读说明：本技术 高密封性配电柜 (High leakproofness switch board ) 是由 吴洪明 于 2020-05-25 设计创作，主要内容包括：本发明公开了一种高密封性配电柜,包括柜体,柜体内部具有一个安装腔,安装腔的外部开口端设置一圈向内延伸的密封挡环,密封挡环中间开设有与安装腔相通的检修腔,密封挡环的外侧面开设一环形凹腔,环形凹腔内嵌入设置一密封圈,柜门安装于安装腔的开口面用于密封安装腔的开口面,柜门关闭后其内侧面与密封挡环上的密封圈接触密封,所述安装腔内安装有一块以上的安装板,一块以上的安装板上均正对开设有一个以上的装配腔,装配腔内均安装一配电模块。本发明的配电柜,其具有非常好的防水密封性,能够在柜门关闭后拥有非常好的密封能力,能够将电力模块进行隐藏,同时可以提升散热能力,提升密封圈的防水密封能力,增加密封圈的使用寿命。(The invention discloses a high-sealing power distribution cabinet which comprises a cabinet body, wherein an installation cavity is arranged in the cabinet body, a circle of inward extending sealing baffle ring is arranged at the outer opening end of the installation cavity, an overhaul cavity communicated with the installation cavity is formed in the middle of the sealing baffle ring, an annular concave cavity is formed in the outer side surface of the sealing baffle ring, a sealing ring is embedded in the annular concave cavity, a cabinet door is installed on the opening surface of the installation cavity and used for sealing the opening surface of the installation cavity, the inner side surface of the cabinet door is in contact sealing with the sealing ring on the sealing baffle ring after the cabinet door is closed, more than one mounting plate is installed in the installation cavity, more than one assembly cavity is formed in the more than one mounting plate in a facing mode. The power distribution cabinet disclosed by the invention has very good waterproof sealing performance, can have very good sealing capability after the cabinet door is closed, can hide the power module, and can improve the heat dissipation capability, the waterproof sealing capability of the sealing ring and the service life of the sealing ring.)

1. The utility model provides a high leakproofness switch board which characterized in that: the cabinet comprises a cabinet body, wherein an installation cavity is arranged in the cabinet body, a circle of inward extending sealing baffle ring is arranged at the outer opening end of the installation cavity, an overhaul cavity communicated with the installation cavity is arranged in the middle of the sealing baffle ring, an annular concave cavity is arranged on the outer side surface of the sealing baffle ring, a sealing ring is embedded in the annular concave cavity, a cabinet door is arranged on the opening surface of the installation cavity and used for sealing the opening surface of the installation cavity, the inner side surface of the cabinet door is in contact sealing with the sealing ring on the sealing baffle ring after the cabinet door is closed, more than one mounting plate is arranged in the installation cavity, more than one mounting plate is just opposite to the mounting cavity, a power distribution module is arranged in the mounting cavity, one end of the power distribution module is fixedly arranged on one of the mounting plates, the adjacent mounting plates are connected through an elastic air, when the elastic air bag is filled with gas, the power distribution module is arranged in the assembly cavity in a sealing mode.

2. The high leakproofness switch board of claim 1, characterized in that: the elastic air bag is provided with an air inlet and outlet small hole, and two side surfaces of the elastic air bag are respectively bonded and fixed with the mounting plate.

3. The high leakproofness switch board of claim 1, characterized in that: more than one through hole is seted up to annular cavity bottom surface, all passes in the through hole and sets up a ejector pin, and ejector pin one end and sealing washer medial surface contact, the other end contacts with one of them mounting panel, makes the sealing washer hug closely the cabinet door through mounting panel extrusion ejector pin.

4. The high leakproofness switch board of claim 1, characterized in that: the mounting panel includes a first mounting panel, more than second mounting panel and a third mounting panel, first mounting panel sets up in being close to cabinet door one side, the relative installation cavity of third mounting panel simultaneously is provided with the fixed plate, the fixed plate passes through the screw with third mounting panel fixed mounting in the cabinet internal, more than second mounting panel parallel arrangement of each other sets up between first mounting panel and second mounting panel, the assembly chamber is seted up on first mounting panel and each second mounting panel, the distribution module is installed on the third mounting panel.

5. The high leakproofness switch board of claim 1, characterized in that: the flexible guiding axle includes fixed axle sleeve and flexible axostylus axostyle, and the embedding of fixed axle sleeve sets up in the mounting panel, all sets up a flexible axostylus axostyle between per two fixed axle sleeves, and the both ends of flexible axostylus axostyle insert respectively in the fixed axle sleeve at both ends, and after the elasticity gasbag was pressed the board, flexible axostylus axostyle inserted in the fixed axle sleeve.

6. The high leakproofness switch board of claim 4, characterized in that: the assembly intracavity of first mounting panel is provided with the flexible sealing piece more than, and flexible sealing piece more than one end is fixed with the bonding of assembly intracavity wall, and the other end splices mutually and seals whole assembly chamber.

7. The high leakproofness switch board of claim 6, characterized in that: one side of each flexible sealing sheet, which is opposite to the power distribution module, is bonded with a layer of cleaning cotton layer.

8. The high leakproofness switch board of claim 1, characterized in that: a cooling fan is installed on the side face of the cabinet body, a filter screen is installed on the outer side face of the cooling fan, and an air outlet hole is formed in the cabinet body far away from the cooling fan layer.

9. The high leakproofness switch board of claim 1, characterized in that: more than one mounting plate is made of metal materials, and a clearance cavity is formed between the mounting plates.

10. The high leakproofness switch board of claim 1, characterized in that: the first mounting plate is provided with an extension part which is contacted with the ejector rod.

Technical Field

The invention relates to a power distribution cabinet, in particular to a power distribution cabinet with high sealing performance.

Background

Outdoor switch board is because its use in the exposed environment throughout the year, and the switch board has generally set up the cabinet door, and the leakproofness of cabinet door department must guarantee, and outside steam enters otherwise and can lead to inside distribution module life to reduce, and the distribution module is gone up easily because the adhesion dust reduces heat dispersion. Furthermore, the inside power module of switch board is generally installed on a mounting panel, and the structure of mounting panel is a single board, and the mounting panel passes through the screw to be installed in the installation cavity, opens all exposed outside of each distribution module behind the cabinet door, if at this moment the cabinet door is not opened by the staff, if not in time close the cabinet door then, can lead to the condition such as power module's short circuit damage, the security is poor. And because the power modules are concentrated, heat is accumulated together, the concentrated heat is difficult to remove by using a cooling fan, and the cooling performance is poor. In addition, the sealing washer is ageing easily after using for a long time, and also is heated deformation easily for the cabinet door can not hug closely after closing, leads to the waterproof nature variation of cabinet door department, influences the life of whole switch board.

Disclosure of Invention

The invention aims to solve the technical problem of providing a high-sealing power distribution cabinet which not only has very good heat dissipation capacity, but also has very good waterproof sealing performance, can prolong the service life of a sealing ring, can form secondary protection on the inner side surface of a cabinet door, can seal a power module even if the cabinet door is opened, can realize quick ash removal action on the power module during each maintenance, is convenient to clean, and prolongs the service life of the power module.

The invention is realized by the following technical scheme: a high-sealing power distribution cabinet comprises a cabinet body, wherein an installation cavity is arranged in the cabinet body, a circle of inward extending sealing baffle ring is arranged at the outer opening end of the installation cavity, an overhaul cavity communicated with the installation cavity is formed in the middle of the sealing baffle ring, an annular concave cavity is formed in the outer side surface of the sealing baffle ring, a sealing ring is embedded in the annular concave cavity, a cabinet door is arranged on the opening surface of the installation cavity and used for sealing the opening surface of the installation cavity, the inner side surface of the cabinet door is in contact sealing with the sealing ring on the sealing baffle ring after being closed, more than one mounting plate is arranged in the installation cavity, more than one assembly cavity is formed on each of the more than one mounting plates, a power distribution module is arranged in each assembly cavity, one end of each power distribution module is fixedly arranged on one of the mounting plates, the adjacent mounting plates are connected through an elastic air bag, when the elastic air bag is filled with gas, the power distribution module is arranged in the assembly cavity in a sealing mode.

As the preferred technical scheme, the elastic air bag is provided with an air inlet and outlet small hole, and two side surfaces of the elastic air bag are respectively bonded and fixed with the mounting plate.

As an optimized technical scheme, more than one through hole is formed in the bottom surface of the annular concave cavity, a push rod penetrates through the through holes, one end of the push rod is in contact with the inner side surface of the sealing ring, the other end of the push rod is in contact with one mounting plate, and the push rod is extruded by the mounting plate to enable the sealing ring to be tightly attached to the cabinet door.

As preferred technical scheme, the mounting panel includes a first mounting panel, more than one second mounting panel and a third mounting panel, first mounting panel sets up in being close to cabinet door one side, the relative installation cavity of third mounting panel simultaneously is provided with the fixed plate, the fixed plate passes through the screw with third mounting panel fixed mounting in the cabinet body, more than one second mounting panel parallel arrangement of each other sets up between first mounting panel and second mounting panel, the assembly chamber is seted up on first mounting panel and each second mounting panel, distribution module installs on the third mounting panel.

As preferred technical scheme, flexible guiding axle includes fixed axle sleeve and flexible axostylus axostyle, and the embedding of fixed axle sleeve sets up in the mounting panel, all sets up a flexible axostylus axostyle between per two fixed axle sleeves, and the both ends of flexible axostylus axostyle are inserted respectively in the fixed axle sleeve at both ends, and after elasticity gasbag was pressed the board, flexible axostylus axostyle was inserted in the fixed axle sleeve.

As preferred technical scheme, be provided with the flexible sealing piece more than of the assembly intracavity of first mounting panel, more than flexible sealing piece one end and assembly intracavity wall bonding are fixed, and the other end splices each other and seals whole assembly chamber.

As the preferred technical scheme, one surface of each flexible sealing sheet, which is opposite to the power distribution module, is bonded with a cleaning cotton layer.

As the preferred technical scheme, a cooling fan is installed on the side face of the cabinet body, a filter screen is installed on the outer side face of the cooling fan, and an air outlet hole is formed in the cabinet body far away from the cooling fan layer.

As a preferred technical scheme, more than one mounting plate is made of metal materials, and a clearance cavity is formed between the mounting plates.

As a preferred technical scheme, an extension part is arranged on the first mounting plate and is in contact with the ejector rod.

The invention has the beneficial effects that: according to the invention, each power distribution module is arranged between more than one metal mounting plate, so that the heat dissipation capability is very good, heat can be transferred to each metal mounting plate, and then air convection is realized by using the heat dissipation fan on one side, so that the metal mounting plates are quickly dissipated, and the heat is not concentrated;

when the electric power distribution module is overhauled, the installation plates are only extruded, so that the distance between the installation plates is reduced, the electric power distribution module can be exposed to the outside, the aim of quick overhaul is achieved, and meanwhile, in the ejection process, the cleaning cotton is tightly attached to the outer side face of the electric power distribution module, so that the aim of cleaning the outer wall face of the electric power distribution module is fulfilled;

the extension part on the first mounting plate can extrude the ejector rod by using the deformation restoring force of the elastic air bag, and then the ejector rod is used for ejecting the sealing ring, so that the sealing ring is always in compression contact with the closed cabinet door, and the sealing performance is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

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

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is an enlarged view of a portion of the invention at A in FIG. 2;

fig. 4 is a partial schematic view of the power distribution module of the present invention after it has been extended outside of the mounting plates.

Detailed Description

As shown in fig. 1 and 2, the high-sealing power distribution cabinet comprises a cabinet body 2, wherein a mounting cavity 15 is arranged inside the cabinet body 2, a circle of inward extending sealing baffle ring 14 is arranged at the outer opening end of the mounting cavity 15, an overhaul cavity 17 communicated with the mounting cavity is formed in the middle of the sealing baffle ring 14, an annular concave cavity is formed in the outer side surface of the sealing baffle ring 14, a sealing ring 9 is embedded in the annular concave cavity, a cabinet door 1 is mounted on the opening surface of the mounting cavity 15 and used for sealing the opening surface of the mounting cavity 15, the inner side surface of the closed cabinet door 1 is in contact sealing with the sealing ring 9 on the sealing baffle ring 14, more than one mounting plate is mounted in the mounting cavity 15, more than one mounting cavity 51 is formed in an opposite mode, a power distribution module 7 is mounted in each mounting cavity 51, one end of each power distribution module 7 is fixedly mounted on one of the mounting plates, and adjacent mounting plates are connected through an, and a telescopic guide shaft 19 penetrates between the mounting plates, and when the elastic air bag is filled with gas, the power distribution module 7 is hermetically arranged in the assembly cavity.

Wherein, all seted up one and let out the gas aperture (not shown) on the elastic airbag 11, elastic airbag 11 both sides face bonds fixedly with the mounting panel respectively, when extrudeing each mounting panel for gaseous through the aperture discharge of letting out of letting in the elastic airbag 11, after the extrusion force disappears, slowly inhale outside gas through the aperture of letting in and out and resume deformation, make the distribution module retract again in the assembly chamber between each mounting panel, when extrudeing each mounting panel, the elastic airbag is compressed, and then exposes the distribution module.

Wherein, as shown in fig. 3, more than one through-hole has been seted up to annular cavity bottom surface, all pass in the through-hole and set up a ejector pin 13, ejector pin 13 one end and the contact of sealing washer 9 medial surface, the other end and the contact of a mounting panel among them, make sealing washer 9 hug closely the cabinet door through mounting panel extrusion ejector pin 13, after elastic airbag 11 inhales gas recovery deformation completely, can make the mounting panel and the contact of ejector pin 13 of outermost side end, and then utilize ejector pin 13 extrusion sealing washer, and then make the sealing washer compress tightly all the time with the cabinet door medial surface of closing.

Wherein, the mounting panel includes a first mounting panel 4, more than one second mounting panel 5 and a third mounting panel 6, first mounting panel sets up in being close to cabinet door one side, the relative installation cavity one side of third mounting panel 6 is provided with fixed plate 16, fixed plate 16 passes through the screw with the fixed mounting of third mounting panel 6 in the cabinet body 2, more than one second mounting panel 5 parallel arrangement of each other and set up between first mounting panel 4 and second mounting panel 5, assembly chamber 51 is seted up on first mounting panel 4 and each second mounting panel 5, distribution module 7 installs on third mounting panel 6.

Wherein, flexible guiding axle 19 includes fixed axle sleeve and flexible axostylus axostyle, and the embedding of fixed axle sleeve sets up in the mounting panel, all sets up a flexible axostylus axostyle between per two fixed axle sleeves, and the both ends of flexible axostylus axostyle are inserted respectively in the fixed axle sleeve at both ends, and after elasticity gasbag was pressed the board, flexible axostylus axostyle was inserted in the fixed axle sleeve, and the effect of flexible guiding axle is used for supporting each.

Wherein, more than one flexible sealing sheet 12 is arranged in the assembly cavity of the first mounting plate 4, one end of more than one flexible sealing sheet 12 is fixedly bonded with the inner wall of the assembly cavity, the other end is mutually spliced and seals the whole assembly cavity, one surface of each flexible sealing sheet opposite to the power distribution module is respectively bonded with a cleaning cotton layer 121, when the elastic air bag 11 is filled with gas, the power distribution module 7 is positioned in the assembly cavity 51, when each mounting plate is extruded, the elastic air bag is pressed by a pressing plate, meanwhile, the power distribution module moves relative to the flexible sealing sheet, the cleaning cotton layer removes dust on the outer wall surface of the power distribution module by extruding the power distribution module and the cleaning cotton layer, the purpose of automatically removing dust is achieved, when gas exists in the elastic air bag, the outer opening end of the assembly cavity is sealed by the flexible sealing sheet, so that the inner side surface also forms a waterproof structure, make the cabinet door open the back, also can be fine make the distribution module be in encapsulated situation, do not switch on with the external world, if want to overhaul, open the cabinet door back as long as each mounting panel of extrusion can ejecting distribution module, as shown in fig. 4, conveniently overhaul.

Wherein, a radiator fan 3 of side-mounting of the cabinet body 2, a filter screen is installed to radiator fan 3's lateral surface, is provided with the exhaust vent on keeping away from the cabinet body of radiator fan one deck, utilizes radiator fan side to blow to each mounting panel, takes the heat on the mounting panel for the heat is no longer concentrated, and heat dispersion promotes greatly.

Wherein, all adopt metal material to make between the mounting panel more than one, all form a clearance cavity 18 between mounting panel and the mounting panel, be provided with extension 8 on the first mounting panel 4, extension 8 and ejector pin 13 contact, because distribution module 7 installs between the mounting panel that each metal material made, consequently the heat on the distribution module 7 can transmit to the metal mounting panel on, make the metal mounting panel heat absorption, and then reach quick radiating purpose, realize the convection current by the radiator fan of one side and dispel the heat.

The invention has the beneficial effects that: according to the invention, each power distribution module is arranged between more than one metal mounting plate, so that the heat dissipation capability is very good, heat can be transferred to each metal mounting plate, and then air convection is realized by using the heat dissipation fan on one side, so that the metal mounting plates are quickly dissipated, and the heat is not concentrated;

when the electric power distribution module is overhauled, the installation plates are only extruded, so that the distance between the installation plates is reduced, the electric power distribution module can be exposed to the outside, the aim of quick overhaul is achieved, and meanwhile, in the ejection process, the cleaning cotton is tightly attached to the outer side face of the electric power distribution module, so that the aim of cleaning the outer wall face of the electric power distribution module is fulfilled;

the extension part on the first mounting plate can extrude the ejector rod by using the deformation restoring force of the elastic air bag, and then the ejector rod is used for ejecting the sealing ring, so that the sealing ring is always in compression contact with the closed cabinet door, and the sealing performance is improved.

The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.