A low voltage distribution cabinet

Abstract

The utility model discloses a low-voltage power distribution cabinet, including a power distribution cabinet body, both sides of the outer wall of the power distribution cabinet body are fixedly provided with mounting bases, the inner wall of each mounting slot is evenly provided with a plurality of heat dissipation fans, the inner wall of the power distribution cabinet body is fixedly provided with a U-shaped frame, one side of the U-shaped frame is provided with an air outlet slot, the inner walls of both ends of the U-shaped frame are provided with connecting slots, and the edges of both sides of the U-shaped frame are evenly provided with a plurality of inclined slots. According to the utility model, when the heat dissipation fan is started, the wind flow in the air outlet slot is evenly introduced into the interior of the power distribution cabinet body through the air outlet holes on one side of the protective plate, and the upper and lower feet can be blown by the wind flow, and the connecting slot will also be blown out from the inclined slot after part of the wind flow in the air outlet slot is introduced. Due to the inclined state of the inclined slot, the two ends of the components with a larger width can be cooled by air outlet, so as to realize the full coverage heat dissipation treatment inside the power distribution cabinet, and prevent some components from being damaged due to the inability to cool down, thereby improving the service life of the device.

Description

Technical Field

[0001] The utility model relates to the technical field of low-voltage power distribution cabinets, in particular to a low-voltage power distribution cabinet. Background Art

[0002] The rated current of low-voltage distribution cabinet is AC 50Hz, and the rated voltage is 380v. The distribution system is used for power, lighting and power distribution. The product has the characteristics of strong breaking capacity, good dynamic thermal stability, flexible electrical scheme, convenient combination, strong series and practicality, and novel structure. With the development of modern industrial production, the use of low-voltage distribution cabinets is becoming more and more frequent, and the functions of its upper end are gradually increasing, so that it can better meet the needs of use.

[0003] In view of this, Chinese patent number CN113540997B proposes a low-voltage distribution cabinet. The present invention provides a low-voltage distribution cabinet, which can realize the function of hiding the cabinet door, solves the problem of easy swinging of the cabinet door, and achieves the effect of improving the work efficiency of electricians. However, when the existing distribution cabinet is in use, the heat dissipation method of the upper end is to open heat dissipation grooves on both sides of the distribution cabinet for heat dissipation. However, there are many circuit components installed inside the distribution cabinet. The single heat dissipation through the heat dissipation grooves on both sides can only have a good heat dissipation effect on the components on the same horizontal plane of the heat dissipation grooves, so that more components cannot be fully cooled, and long-term work is prone to damage, thereby reducing the service life of the device. Utility Model Content

[0004] In order to solve the above problems, the purpose of the utility model is to provide a low-voltage distribution cabinet to solve the problems raised in the above background technology.

[0005] To achieve the above object, the utility model proposes a low-voltage power distribution cabinet, comprising a power distribution cabinet body, wherein a covering air outlet and heat dissipation mechanism is provided at the upper end of the power distribution cabinet body;

[0006] The covered air outlet and heat dissipation mechanism includes through holes equidistantly provided on both sides of the inner wall of the power distribution cabinet body, mounting bases are fixedly provided on both sides of the outer wall of the power distribution cabinet body, mounting grooves are provided on one side of the two mounting bases, and the inner walls of the two mounting grooves are respectively connected to the inner walls of the multiple through holes, and multiple heat dissipation fans are evenly arranged on the inner wall of each mounting groove, a U-shaped frame is fixedly provided on the inner wall of the power distribution cabinet body, an air outlet groove is provided on one side of the U-shaped frame, connecting grooves are provided on the inner walls at both ends of the U-shaped frame, and the inner walls of the four connecting grooves are respectively connected to the inner walls of the two air outlet grooves, and multiple oblique grooves are evenly spaced at the edges of both sides of the U-shaped frame.

[0007] In one example, the inner wall of each inclined slot is connected to the inner walls of four connecting slots respectively, a protective strip is inserted at the edge of the inner wall of the air outlet slot, and a plurality of air outlet holes are opened at equal distances on one side of the protective strip.

[0008] In one example, mounting blocks are fixedly provided at four corners of one side of the inner wall of the power distribution cabinet body, and a back plate is provided on one side of the power distribution cabinet body.

[0009] In one example, a plurality of ventilation slots are provided at equal distances on one side of the back plate, and a blocking bar is fixedly provided at the edge of each ventilation slot on one side of the back plate.

[0010] In one example, screw holes are provided at the four corners of one side of the back plate and one side of the four mounting blocks, wherein the inner walls of the four screw holes are interspersed with bolts, and the outer walls of one end of the four bolts pass through the inner walls of four of the screw holes and are threadedly connected to the inner walls of the other four screw holes.

[0011] In one example, a protective cabinet door is hingedly provided on one side of the power distribution cabinet body, and dustproof nets are fixedly provided on the edges of one side of the inner walls of the two installation slots.

[0012] In one example, a switch panel is fixedly provided on one side of the power distribution cabinet body, and the heat dissipation fan is electrically connected to the external power supply through the switch panel.

[0013] The low-voltage power distribution cabinet proposed by the utility model can bring the following beneficial effects:

[0014] 1. A low-voltage power distribution cabinet, wherein the heat dissipation fan in the mounting groove on one side of the mounting base is started to discharge air and introduce it into the air outlet groove. The airflow in the air outlet groove is evenly introduced into the interior of the power distribution cabinet body through the air outlet holes on one side of the protective plate, and the upper and lower parts can be blown by the airflow. After the partial airflow of the connecting groove in the air outlet groove is introduced, it will also be blown out from the inclined groove. Due to the inclined state of the inclined groove, air can be discharged and cooled at both ends of components with a larger width, thereby realizing full coverage heat dissipation treatment inside the power distribution cabinet, preventing some components from being damaged due to the inability to cool down, thereby increasing the service life of the device.

[0015] 2. This kind of low-voltage distribution cabinet, after using the distribution cabinet for a long time, when some of the components need to be maintained and repaired, the bolts on one side of the back plate are unscrewed from the screw holes to remove the back plate from the main body of the distribution cabinet. After the back of the main body of the distribution cabinet is unfolded, the staff can disassemble and repair the connection lines of each component on the back. After the back plate is installed later, the ventilation slots at the upper end can assist the heat dissipation fan to dissipate heat, and the baffles are arranged at the upper end of the ventilation slots to prevent dust and rainwater from entering, thereby improving the convenience of using the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the main body of the power distribution cabinet and the internal anatomy of the U-shaped frame of the utility model;

[0019] Figure 3 This is a schematic diagram of the overall structure of the U-shaped frame of the utility model;

[0020] Figure 4 This is a schematic diagram of the structure inside the main body of the power distribution cabinet of the utility model;

[0021] Figure 5 It is a structural schematic diagram of the back side of the back plate of the utility model.

[0022] In the figure: 1. Power distribution cabinet body; 2. Through hole; 3. Mounting base; 4. Mounting slot; 5. Cooling fan; 6. U-shaped frame; 7. Air outlet slot; 8. Connecting slot; 9. Oblique slot; 10. Protective strip; 11. Air outlet hole; 12. Mounting block; 13. Back panel; 14. Ventilation slot; 15. Baffle strip; 16. Screw hole; 17. Protective cabinet door; 18. Dust net. DETAILED DESCRIPTION

[0023] In order to more clearly illustrate the overall concept of the present invention, a detailed description is given below in the form of examples in conjunction with the accompanying drawings.

[0024] The examples are as follows:

[0025] The utility model provides Figure 1-4 A low-voltage power distribution cabinet shown includes a power distribution cabinet body 1, and a covering air outlet and heat dissipation mechanism is provided at the upper end of the power distribution cabinet body 1;

[0026] The covered air outlet heat dissipation mechanism includes through holes 2 equidistantly provided on both sides of the inner wall of the power distribution cabinet body 1, mounting bases 3 are fixedly provided on both sides of the outer wall of the power distribution cabinet body 1, mounting grooves 4 are provided on one side of the two mounting bases 3, and the inner walls of the two mounting grooves 4 are respectively connected to the inner walls of the plurality of through holes 2, and a plurality of heat dissipation fans 5 are evenly provided on the inner wall of each mounting groove 4, a U-shaped frame 6 is fixedly provided on the inner wall of the power distribution cabinet body 1, an air outlet groove 7 is provided on one side of the U-shaped frame 6, and the inner walls at both ends of the U-shaped frame 6 are provided with connecting The U-shaped frame 6 has a connecting groove 8, and the inner walls of the four connecting grooves 8 are connected with the inner walls of the two air outlet grooves 7 respectively. A plurality of oblique grooves 9 are evenly spaced at the edges on both sides of the U-shaped frame 6. The air outlet groove 7 is blocked by a protective strip 10, and the air flow is evenly blown out through the air outlet holes 11 at the upper end of the protective strip 10, so that all circuit components in the power distribution cabinet body 1 are evenly blown to be cooled, and the two ends of some components with larger widths blow the air flow guided by the connecting groove 8 to their two ends through the oblique grooves 9 to achieve comprehensive heat dissipation, thereby improving the heat dissipation effect of the device.

[0027] The inner wall of each inclined slot 9 is connected to the inner walls of the four connecting slots 8 respectively. A protective strip 10 is inserted at the edge of the inner wall of the air outlet slot 7. A plurality of air outlet holes 11 are opened at equal distances on one side of the protective strip 10.

[0028] Furthermore, mounting blocks 12 are fixedly provided at four corners on one side of the inner wall of the power distribution cabinet body 1 , and a back plate 13 is provided on one side of the power distribution cabinet body 1 .

[0029] A plurality of ventilation slots 14 are formed at equal intervals on one side of the back plate 13 , and a blocking bar 15 is fixedly provided at the edge of each ventilation slot 14 on one side of the back plate 13 .

[0030] Screw holes 16 are provided at the four corners of one side of the back plate 13 and one side of the four mounting blocks 12, wherein the inner walls of the four screw holes 16 are interspersed with bolts, and the outer walls of one end of the four bolts respectively pass through the inner walls of four of the screw holes 16 and are threadedly connected with the inner walls of the other four screw holes 16. The back plate 13 can be fixed by passing the bolts through the screw holes 16 on the back plate 13 and tightening them in the screw holes 16 at the upper ends of the mounting blocks 12. In addition, this design makes it easier to disassemble the back plate 13 at the back of the power distribution cabinet body 1 at a later stage, and the operation is more convenient without being blocked by internal components. At the same time, the blocking bar 15 is tilted to block the outer side of the ventilation slot 14 to prevent rainwater from entering therein;

[0031] Furthermore, a protective cabinet door 17 is hingedly provided on one side of the distribution cabinet body 1, and dustproof nets 18 are fixedly provided on the edges of one side of the inner wall of the two installation slots 4, so as to prevent dust from entering therein when the heat dissipation fan 5 is running.

[0032] Working principle: When using the low-voltage power distribution cabinet in this design, you first need to clamp the U-shaped frame 6 at the upper end of the device inside the power distribution cabinet body 1 so that the air outlet slot 7 at its upper end is connected to the inner wall of each through hole 2 respectively, and then the airflow of the heat dissipation fan 5 can enter the air outlet slot 7 through the through hole 2. When in use, after installing the circuit components in the power distribution cabinet body 1, close the protective cabinet door 17, start the heat dissipation fan 5 in the mounting slot 4 on one side of the mounting base 3 to discharge air and introduce it into the air outlet slot 7, the airflow in the air outlet slot 7 is evenly introduced into the interior of the power distribution cabinet body 1 through the air outlet hole 11 on one side of the protective strip 10, and the upper and lower parts can be blown by the airflow, and the connecting slot 8 will also be blown out from the inclined slot 9 after part of the airflow in the air outlet slot 7 is introduced. Since the inclined slot 9 is inclined state, so that it can discharge air and cool down the two ends of the components with larger width, realize full coverage heat dissipation treatment inside the distribution cabinet, prevent some components from being damaged due to the inability to cool down, thereby improving the service life of the device. After using the distribution cabinet for a long time, when some components need to be maintained and repaired, the bolts on one side of the back plate 13 are unscrewed from the screw holes 16 so that the back plate 13 can be removed from the distribution cabinet body 1. After the back of the distribution cabinet body 1 is unfolded, the staff can disassemble and repair the connection lines of each component on its back. After the back plate 13 is installed later, the ventilation slot 14 at its upper end can assist the heat dissipation fan 5 to dissipate heat together, and the baffle 15 is arranged at the upper end of the ventilation slot 14 to prevent dust and rainwater from entering, thereby improving the convenience of using the device.

[0033] Each embodiment in this specification is described in a progressive manner, and the same or similar parts between the embodiments can be referred to each other, and each embodiment focuses on the differences from other embodiments. In particular, for the system embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and the relevant parts can be referred to the partial description of the method embodiment.

[0034] The above description is only an embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent substitution, improvement, etc. made within the spirit and principle of the present invention shall be included in the scope of the claims of the present invention.

Claims

1. A low-voltage power distribution cabinet, comprising a power distribution cabinet body (1), characterized in that: The upper end of the power distribution cabinet body (1) is provided with a covering air outlet and heat dissipation mechanism; The covered air outlet heat dissipation mechanism comprises through holes (2) equidistantly provided on both sides of the inner wall of the power distribution cabinet body (1); mounting bases (3) are fixedly provided on both sides of the outer wall of the power distribution cabinet body (1); mounting grooves (4) are provided on one side of the two mounting bases (3); and the inner walls of the two mounting grooves (4) are respectively connected to the inner walls of the plurality of through holes (2); and the inner wall of each mounting groove (4) is evenly provided with a plurality of heat dissipation fans (5); a U-shaped frame (6) is fixedly provided on the inner wall of the power distribution cabinet body (1); an air outlet groove (7) is provided on one side of the U-shaped frame (6); connecting grooves (8) are provided on the inner walls of both ends of the U-shaped frame (6); and the inner walls of the four connecting grooves (8) are respectively connected to the inner walls of the two air outlet grooves (7); and a plurality of inclined grooves (9) are evenly provided at the edges of both sides of the U-shaped frame (6).

2. A low voltage distribution cabinet according to claim 1, characterized in that: The inner wall of each inclined groove (9) is respectively connected to the inner walls of the four connecting grooves (8); a protective strip (10) is inserted at the edge of the inner wall of the air outlet groove (7); and a plurality of air outlet holes (11) are equidistantly provided on one side of the protective strip (10).

3. A low voltage distribution cabinet according to claim 1, characterized in that: Mounting blocks (12) are fixedly provided at four corners on one side of the inner wall of the power distribution cabinet body (1), and a back plate (13) is provided on one side of the power distribution cabinet body (1).

4. A low voltage distribution cabinet according to claim 3, characterized in that: A plurality of ventilation slots (14) are provided at equal distances on one side of the back plate (13), and a blocking bar (15) is fixedly provided at the edge of each ventilation slot (14) on one side of the back plate (13).

5. A low voltage distribution cabinet according to claim 4, characterized in that: Screw holes (16) are provided at four corners on one side of the back plate (13) and one side of the four mounting blocks (12), wherein the inner walls of the four screw holes (16) are penetrated with bolts, and the outer walls of one end of the four bolts pass through the inner walls of four of the screw holes (16) and are threadedly connected to the inner walls of the other four screw holes (16).

6. A low voltage distribution cabinet according to claim 1, characterized in that: A protective cabinet door (17) is hingedly provided on one side of the power distribution cabinet body (1), and dustproof nets (18) are fixedly provided on the edges of one side of the inner walls of the two installation slots (4).

7. A low voltage distribution cabinet according to claim 1, characterized in that: A switch panel is fixedly provided on one side of the power distribution cabinet body (1), and the heat dissipation fan (5) is electrically connected to an external power supply via the switch panel.

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