CN210781867U - Electrical equipment cabinet body - Google Patents
Electrical equipment cabinet body Download PDFInfo
- Publication number
- CN210781867U CN210781867U CN201921481060.4U CN201921481060U CN210781867U CN 210781867 U CN210781867 U CN 210781867U CN 201921481060 U CN201921481060 U CN 201921481060U CN 210781867 U CN210781867 U CN 210781867U
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- air duct
- cabinet body
- opening
- wall
- side wall
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Abstract
The utility model relates to an electrical equipment cabinet body. The electrical equipment cabinet includes: the side wall of the cabinet body is provided with an opening; the protective cover is fixed on the outer side of the side wall of the cabinet body and covers the opening, and the protective cover and the side wall of the cabinet body enclose a downward air outlet; the air duct is positioned in the cabinet body and is used for communicating an air outlet and an opening of the electrical equipment in the cabinet body; the diversion trench extends along the circumferential direction of the opening, and is formed by the circumferential outward-turning edge which is integrally arranged at the opening along the air outlet direction and extends outward in the air outlet direction and the side wall of the cabinet body. The guiding gutter is by the integrative circumference that is equipped with of opening edge on the cabinet side wall of the body of the cabinet and turns over an extension in the air-out direction and turn over outward along with cabinet side wall forms to make guiding gutter and cabinet side wall integral type structure, after the rainwater passes through the protection casing gap and gets into in the protection casing, can follow cabinet side wall and enter into the guiding gutter, and discharge downwards along the circumference of guiding gutter, can avoid the rainwater to enter into the dc-to-ac converter along the wind channel in, can ensure the operation of inverter safety and stability.
Description
Technical Field
The utility model relates to an electrical equipment cabinet body.
Background
In the working process of the inverter, the heat productivity of the inverter is large, and a forced air cooling measure and a safe and reliable air outlet heat dissipation structure are needed for heat dissipation and temperature reduction of equipment. As shown in fig. 1, in the prior art, an inverter is located in a cabinet 101, an opening is provided on a side wall 102 of the cabinet 101, an air duct 103 connecting an air outlet of the inverter and the opening is provided in the cabinet 101, the air duct 103 has an air duct wall, the air duct wall corresponding to an air outlet end is arranged flush with the opening, and a protective cover 104 is fixed on the side wall of the cabinet outside the center of the opening.
In order to avoid welding deformation of the protective cover and the side wall of the cabinet body, the protective cover and the side wall of the cabinet body are connected by rivets, when weather occurs, rainwater easily flows into the air channel from the mounting gap of the protective cover and then enters the inverter along the air channel, so that the inverter is short-circuited, and the safe and stable operation of the inverter is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an electrical equipment cabinet body to in the rainwater enters into the dc-to-ac converter along the wind channel from the installation gap of protective cover easily among the solution prior art, and then lead to the dc-to-ac converter short circuit, influence the technical problem of dc-to-ac converter safe operation.
In order to achieve the above object, the utility model discloses the technical scheme of the electrical equipment cabinet body is: the electrical equipment cabinet includes: the side wall of the cabinet body is provided with an opening; the protective cover is fixed on the outer side of the side wall of the cabinet body and covers the opening, and a downward air outlet is formed by the protective cover and the side wall of the cabinet body in a surrounding manner; the air duct is positioned in the cabinet body and is surrounded by an air duct wall, and the air duct wall is used for connecting an air outlet of the electrical equipment in the cabinet body with the opening; the diversion trench extends along the opening circumferential direction, and the opening is integrally provided with a circumferential outward turning edge which is turned outward in the air outlet direction and extends along the side wall of the cabinet body.
The utility model has the advantages that: the utility model discloses the guiding gutter of the electrical equipment cabinet body is equipped with along an integrative circumference that is equipped with of department along the air-out direction of turning over the extension of turning over outward by the opening on the cabinet side wall turn over outward along with cabinet side wall forms to make guiding gutter and cabinet side wall one-piece structure, after the rainwater passes through the protection casing gap and gets into the protection casing, can follow cabinet side wall and enter into the guiding gutter in, and discharge downwards along the circumference of guiding gutter, can avoid the rainwater to enter into the dc-to-ac converter along the wind channel from the installation gap of protection casing in, can ensure the operation of dc-to-ac converter safety and stability.
Further, the guiding gutter is a V-shaped groove or a U-shaped groove, the inner side groove wall of the U-shaped groove is formed by the side wall of the cabinet body, the outer side groove wall is formed by the circumferential outward-turning edge, and the outer side groove wall inclines outwards to enable the U-shaped groove to be a flaring groove. The flaring groove structure can make the guiding gutter discharge or the rainwater of storing more, can be better avoid entering into the wind channel from the rainwater in the protection casing installation gap gets into the protection casing.
Furthermore, the air duct wall is provided with an air duct bottom wall section butted with the opening, and the air duct bottom wall section extends downwards in a bending way or in an inclined way along the air outlet direction of the air duct. The arrangement of the air duct bottom wall section can enable rainwater blown into the air duct by air to flow out of the opening along the air duct bottom wall section, and the rainwater is prevented from entering the inverter along the air duct to affect the safe and stable operation of the inverter.
Further, the air duct wall is provided with an air duct upper wall section butted with the opening, and the air duct upper wall section is horizontally arranged along the air outlet direction of the air duct. The section of the air duct can be gradually enlarged along the air outlet direction by the horizontally arranged upper wall section of the air duct, so that the outflow of hot air in the electrical equipment is facilitated, and the heat dissipation efficiency of the electrical equipment is improved.
Furthermore, the air duct wall is formed by buckling an upper air duct shell and a lower air duct shell which are fixedly assembled together. The air duct wall formed by buckling the two half air duct shells is simple in structure, low in cost and convenient to realize.
Furthermore, the upper half air duct shell and the lower half air duct shell are matched and inserted together. The structure is convenient for the upper half air duct shell and the lower half air duct shell to be arranged in a staggered mode, so that only the lower half air duct shell is bent downwards or obliquely arranged along the air outlet direction.
Furthermore, the upper half air duct shell and the lower half air duct shell are formed by bending metal plates. The air duct shell formed by bending the metal plate has the advantages of simple structure, convenience in processing and low cost.
Furthermore, the air duct wall is turned outwards relative to the center of the air duct at the opening position, and the turned edge formed by turning is connected with the side wall of the cabinet body through a fastener, so that the air duct wall is fixedly connected with the side wall of the cabinet body. The fixed connection mode of the air duct wall and the side wall of the cabinet body can improve the stability of the fixed connection structure between the air duct wall and the side wall of the cabinet body.
Further, the protection casing is square structure, is provided with the chamfer between the top surface of protection casing and the side of keeping away from the cabinet body. The protection casing that this kind of structure set up lies in the ponding at protection casing top in the reducible weather of wind and rain, reduces the probability that the rainwater got into the protection casing from the protection casing gap.
Drawings
Fig. 1 is a schematic view of an internal structure of a cabinet of electrical equipment in the prior art;
fig. 2 is a schematic view of an internal structure of an embodiment of the electrical equipment cabinet of the present invention;
fig. 3 is a schematic structural view of a diversion trench on the cabinet body of the electrical equipment in fig. 2;
FIG. 4 is a right side view of FIG. 2;
FIG. 5 is a bottom view of FIG. 2;
in the figure: 101-cabinet, 102-cabinet side wall, 103-air duct, 104-protective cover, 1-inverter, 2-air duct, 3-air duct wall, 4-cabinet side wall, 5-opening, 6-protective cover, 7-chamfer, 8-diversion trench, 9-outward turning edge, 10-air duct bottom wall section and 11-air duct upper wall section.
Detailed Description
The following describes embodiments of the present invention with reference to the accompanying drawings.
The utility model discloses a concrete embodiment of the electrical equipment cabinet body:
as shown in fig. 2, the internal electrical equipment that is used for placing of electrical equipment cabinet plays the guard action to electrical equipment in the course of the work, and the electrical equipment cabinet is the equipment that generates heat including being located the internal wind channel 2 of cabinet, and this equipment that generates heat work in-process, need pass through wind channel 2 with its hot gas flow from the air outlet of the equipment that generates heat and discharge to the external side of cabinet, as shown by the arrow in fig. 2 to accelerate electrical equipment's cooling. In the present embodiment, the electrical device is the inverter 1, and in other embodiments, the electrical device may be a distribution box, a compressor, or the like.
In this embodiment, as shown in fig. 2, the electrical equipment cabinet body has a cabinet side wall 4, an opening 5 is provided on the cabinet side wall 4, an air duct 2 is communicated with the opening 5, the air duct 2 is enclosed by an air duct wall 3, the air duct wall 3 located at the end of air outlet of the air duct is turned outwards relative to the air duct center, and the turned edge after turning over is fixedly connected with the cabinet side wall 4 through rivets, so that the end surface of the air duct wall 3 is arranged in parallel and level with the inner side surface of the cabinet side wall 4, and the stability of the fixed connection structure between the air duct wall 3 and the cabinet side wall 4 is improved. In other embodiments, the air duct wall at the air outlet end section of the air duct does not need to be turned over, and the air duct wall is fixed at the opening position on the side wall of the cabinet body through gluing or welding, so that the end face of the air duct wall is arranged in parallel and level with the outer side face of the side wall of the cabinet body.
In this embodiment, as shown in fig. 2, the electrical equipment cabinet further includes a protective cover 6 disposed on the side wall 4 of the cabinet, and the protective cover 6 covers the opening 5 and encloses with the side wall 4 of the cabinet to form a downward air outlet, so that the hot air exhausted from the cabinet is exhausted downward. The whole square structure that is of protection casing 6, and be provided with chamfer 7 between the top surface of protection casing 6 and the side of keeping away from the cabinet body, the ponding that lies in protection casing 6 top in the reducible weather reduces the probability that the rainwater got into protection casing 6 from 6 gaps of protection casing. In other embodiments, the top surface of the hood may be sloped to prevent rain water from collecting on the top surface.
In order to avoid welding deformation of the protective cover 6 and the cabinet side wall 4, the protective cover 6 and the cabinet side wall 4 are connected by rivets, and when the weather is rainy, rainwater may enter the protective cover 6 along an installation gap between the protective cover 6 and the cabinet side wall 4 and enter the inverter 1 along the air duct 2, so that safe and stable operation of the inverter 1 is affected. In this embodiment, as shown in fig. 2 to 5, the electrical equipment cabinet further includes a diversion trench 8 extending along a circumferential direction of the opening 5, the diversion trench 8 is formed by an outward turning edge 9 extending outward from an opening of the opening 5 in the air outlet direction and the cabinet side wall 4, so that the diversion trench 8 forms a U-shaped trench having an inner trench wall formed by the cabinet side wall 4, a trench bottom wall integrally provided with the cabinet side wall 4 and extending along the opening of the opening 5 in the air outlet direction, and an outer trench wall integrally connected with the trench bottom wall and formed by the outward turning edge 9 facing outward with respect to a center of the opening 5.
As shown in fig. 2 to 5, the diversion trench 8 is integrally formed with the cabinet side wall 4 of the cabinet, and after rainwater enters the protective cover 6 through the gap of the protective cover 6, the rainwater can enter the diversion trench 8 along the cabinet side wall 4 and is discharged downwards along the circumferential direction of the diversion trench 8 through the opening of the protective cover 6, so that the rainwater can be prevented from entering the inverter 1 along the air duct 2 from the installation gap of the protective cover 6, and the safe and stable operation of the inverter 1 can be ensured.
In this embodiment, the outside cell wall in U-shaped groove is kept away from cabinet side wall 4 and is leaned towards the outside to make the U-shaped groove be the flaring groove, in order to increase 8 interior emission of guiding gutter or the rainwater of storing, better avoid entering into in the wind channel 2 from the installation gap of protection casing 6 the rainwater in the protection casing 6. In other embodiments, the outer slot wall of the U-shaped slot may also be arranged parallel to the inner slot wall.
In this embodiment, the diversion trench 8 is a U-shaped trench. In other embodiments, the diversion trench may also be a V-shaped trench formed by the circumferential outward-turned edge extending outward from the opening in the air-out direction and the sidewall of the cabinet, and the V-shaped trench structure may also divert rainwater entering the protective cover from the gap of the protective cover, so as to prevent the rainwater from entering the inverter from the gap of the protective cover along the air duct, thereby ensuring safe and stable operation of the inverter.
In this embodiment, as shown in fig. 3, the cross-section of the opening 5 on the side wall 4 of the cabinet and the cross-section of the air duct 2 are both square structures, and two adjacent outward turned edges 9 formed by integrally arranging the opening 5 and extending outward are welded together, so that the outward turned edges 9 form an integral structure in the circumferential direction of the opening 5, and rainwater in the diversion trench 8 can be prevented from flowing out along a gap between the two adjacent outward turned edges 9. In other embodiments, when the groove bottom wall extends for a long distance along the air outlet direction and the rainwater flowing from the protective cover gap is small, welding is not needed between two adjacent turning edges.
In this embodiment, the air duct wall 3 is formed by fastening an upper half air duct shell and a lower half air duct shell which are fixedly connected together by rivets in the up-down direction, each half air duct shell is formed by bending a metal plate, the upper half air duct shell has two upper side plates which are bent downwards, and the lower half air duct shell has two lower side plates which are bent upwards. Two lower side plates of the lower half air duct shell are positioned at the inner sides of two upper side plates of the upper half air duct shell so as to realize the insertion fit of the upper half air duct shell and the lower half air duct shell, and the two upper side plates are respectively connected with the corresponding lower side plates through rivets so as to realize the fixed connection of the two half air duct shells. In other embodiments, the two lower side plates of the lower half air duct shell may be located outside the two upper side plates of the upper half air duct shell, so as to realize the insertion and matching of the upper half air duct shell and the lower half air duct shell.
In other embodiments, the upper half duct shell may further have two upper side plates disposed horizontally, and the lower half duct shell may have two lower side plates disposed horizontally, and the two lower side plates are located below the two upper side plates and are connected to the corresponding upper side plates by rivets.
In other embodiments, when the opening on the side wall of the cabinet body and the section of the air duct are both circular structures, the air duct wall can be integrally rolled and formed by metal plates, and the rolled butt joints are overlapped and connected through fasteners.
In this embodiment, as shown in fig. 2, the air duct wall 3 has an air duct bottom wall section 10 fixed at the opening position and extending downward obliquely along the air outlet direction, that is, the lower bottom wall of the lower half air duct shell extends downward obliquely along the air outlet direction at the opening position, so that when rainwater is blown into the air duct 2 from the opening of the protection cover 6 obliquely upward, the rainwater can flow out from the opening 5 along the air duct bottom wall section 10, and the rainwater is prevented from being blown into the air duct 2 and entering the inverter 1 along the air duct 2 to affect the safe and stable operation of the inverter 1. In other embodiments, the air duct bottom wall section may also extend along the air outlet in a downward bending manner, so that rainwater in the air duct can flow out from the opening.
In this embodiment, as shown in fig. 2, the air duct wall 3 has an air duct upper wall section 11 fixed at the opening position and horizontally arranged along the air outlet direction, that is, the upper bottom wall of the upper air duct shell is horizontally arranged at the opening position, so that the cross section of the air duct 2 is gradually enlarged along the air outlet direction, which is beneficial to the outflow of hot air in the inverter 1, and improves the heat dissipation efficiency of the inverter 1. In other embodiments, the air duct upper wall section may also extend obliquely downward or curve in the air outlet direction, so that the rainwater adhered to the air duct upper wall section can flow out from the opening. Or in other embodiments, when the air duct wall is integrally formed by rolling a metal plate, the entire air duct wall is integrally inclined or bent downward in the air outlet direction at the opening position.
In this embodiment, the air outlet on the inverter 1 faces upward, and two half wind channel shells are bent along the air-out direction an organic whole and are formed, simple structure, and low cost. In other embodiments, when the air duct wall is integrally formed by rolling a metal plate, the metal plate can be arranged in a segmented manner in the air outlet direction, two adjacent segments have overlapping portions, and the overlapping portions are connected through rivets.
Claims (9)
1. An electrical equipment cabinet, comprising:
the side wall of the cabinet body is provided with an opening;
the protective cover is fixed on the outer side of the side wall of the cabinet body and covers the opening, and a downward air outlet is formed by the protective cover and the side wall of the cabinet body in a surrounding manner;
the air duct is positioned in the cabinet body and is surrounded by an air duct wall, and the air duct wall is used for connecting an air outlet of the electrical equipment in the cabinet body with the opening;
the diversion trench extends along the opening circumferential direction, and the opening is integrally provided with a circumferential outward turning edge which is turned outward in the air outlet direction and extends along the side wall of the cabinet body.
2. The electrical equipment cabinet of claim 1, wherein the diversion trench is a V-shaped or U-shaped trench, an inner slot wall of the U-shaped trench being formed by the cabinet sidewall, an outer slot wall being formed by the circumferential eversion, the outer slot wall being outwardly sloped such that the U-shaped trench is a flared trench.
3. The electrical equipment cabinet according to claim 1 or 2, wherein the air duct wall has an air duct bottom wall section abutting against the opening, and the air duct bottom wall section extends in a downward curved or inclined manner in an air outlet direction of the air duct.
4. The electrical equipment cabinet according to claim 3, wherein the air duct wall has an air duct upper wall section abutting against the opening, the air duct upper wall section being horizontally arranged in an air outlet direction of the air duct.
5. The electrical equipment cabinet according to claim 1 or 2, wherein the duct wall is formed by fastening an upper duct half shell and a lower duct half shell which are fixedly assembled together.
6. The electrical equipment cabinet body of claim 5, wherein the upper half duct shell and the lower half duct shell are fitted and inserted together.
7. The electrical equipment cabinet according to claim 6, wherein the upper half duct shell and the lower half duct shell are each formed by bending a metal plate.
8. The electrical equipment cabinet body according to claim 1 or 2, wherein the air duct wall is turned outwards relative to the center of the air duct at the opening position, and a folded edge formed by the turning is connected with the side wall of the cabinet body through a fastener so as to realize the fixed connection of the air duct wall and the side wall of the cabinet body.
9. The electrical equipment cabinet body according to claim 1 or 2, wherein the protective cover is of a square structure, and a chamfer is arranged between the top surface of the protective cover and the side surface far away from the cabinet body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921481060.4U CN210781867U (en) | 2019-09-06 | 2019-09-06 | Electrical equipment cabinet body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921481060.4U CN210781867U (en) | 2019-09-06 | 2019-09-06 | Electrical equipment cabinet body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210781867U true CN210781867U (en) | 2020-06-16 |
Family
ID=71041378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921481060.4U Active CN210781867U (en) | 2019-09-06 | 2019-09-06 | Electrical equipment cabinet body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210781867U (en) |
-
2019
- 2019-09-06 CN CN201921481060.4U patent/CN210781867U/en active Active
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