A power monitoring device for low voltage distribution cabinet

Abstract

The utility model relates to an electric power monitoring device for a low-voltage power distribution cabinet, which belongs to the technical field of low-voltage power distribution cabinets, and comprises a low-voltage power distribution cabinet body and an electric power monitoring device arranged on the low-voltage power distribution cabinet body, wherein the bottom surface of the low-voltage power distribution cabinet body is fixedly connected with two supporting blocks, and the inner bottom wall of the low-voltage power distribution cabinet body is fixedly connected with two fixing blocks, and the opposite sides of the two fixing blocks are provided with placement grooves, and a mounting plate is placed between the two fixing blocks, and the two ends of the mounting plate extend to the inside of the two placement grooves respectively. The electric power monitoring device of the low-voltage power distribution cabinet can conveniently limit the electric power monitoring device under the action of the placement groove, and can limit the electric power monitoring device under the action of the fixing plate, and at the same time, the mounting plate is limited by the clearance fit between the positioning rod and the positioning hole, thereby improving the stability of the electric power monitoring device and being more convenient and practical.

Description

Technical Field

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

[0002] Low voltage distribution cabinet is a product used for converting and configuring electric energy. 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, series, strong practicality and novel structure.

[0003] Chinese patent CN218828590U discloses a power monitoring device for a low-voltage distribution cabinet. The patent discloses a technical solution for convenient disassembly and assembly, which solves the problem that when the existing low-voltage distribution cabinet is in use, it is necessary to monitor the low-voltage distribution cabinet in real time. The existing monitoring device needs to use various screws to fix the instrument in the box, which is time-consuming and labor-intensive to operate. When a problem occurs and needs maintenance, the screws need to be removed before the equipment is disassembled, and the disassembly and assembly is inconvenient and labor-intensive.

[0004] When the device is in use, the monitoring device body can be conveniently disassembled, assembled and fixed by the action of the latch column. However, the top column is only restricted by the latch column, and there is a lack of limit holes, which can easily cause the top column to shake, reducing the stability and fixing effect of the power monitoring device. Therefore, a power monitoring device for a low-voltage distribution cabinet is proposed to solve the above problems. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides an electric power monitoring device for a low-voltage distribution cabinet, which has the advantage of high stability and solves the problem that when the device is in use, the monitoring device body can be conveniently disassembled, assembled and fixed by the action of a latch column. However, the top column is only restricted by the latch column and there is a lack of a limit hole, which easily causes the top column to shake, thereby reducing the stability and fixing effect of the electric power monitoring device.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a power monitoring device for a low-voltage distribution cabinet, comprising a low-voltage distribution cabinet body and a power monitoring device arranged on the low-voltage distribution cabinet body, wherein two support blocks are fixedly connected to the bottom surface of the low-voltage distribution cabinet body.

[0007] The inner bottom wall of the low-voltage distribution cabinet is fixedly connected with two fixing blocks, and the opposite sides of the two fixing blocks are provided with placement grooves. A mounting plate is placed between the two fixing blocks, and the two ends of the mounting plate extend to the inside of the two placement grooves respectively. The left and right sides of the mounting plate are fixedly connected with a first rubber pad, and the power monitoring device is fixedly installed on the top surface of the mounting plate.

[0008] A fixing assembly is provided between the two fixing blocks for fixing the mounting plate.

[0009] The low-voltage power distribution cabinet is provided with a ventilation component for dissipating heat from the power monitoring device.

[0010] Furthermore, the power monitoring device is located between two fixed blocks, and the mounting plate and the placement slot are slidably connected.

[0011] Furthermore, the two first rubber pads are respectively located inside the two placement grooves, and the two first rubber pads are respectively fitted with the two placement grooves.

[0012] Furthermore, the fixing assembly includes two connecting rods, and the two connecting rods are movably connected to the front sides of the two fixing blocks through bearings, the bottom surfaces of the two connecting rods are fixedly connected to fixing plates, the front sides of the two fixing blocks are fixedly connected to fixing rods, the bottom surfaces of the two fixing plates are provided with fixing holes, the two fixing rods extend to the inside of the two fixing holes, respectively, the insides of the two placement grooves are fixedly connected to positioning rods, and the back side of the mounting plate is provided with two positioning holes, and the two positioning rods extend to the inside of the two positioning holes, respectively.

[0013] Furthermore, the mounting plate and the fixing block are both fitted with the fixing plate, and the connecting rod and the fixing rod are both L-shaped rods.

[0014] Furthermore, the fixing rod is an elastic rod, the positioning rod and the positioning hole are clearance-matched, and the fixing rod and the fixing hole are clearance-matched.

[0015] Furthermore, the ventilation assembly includes a cooling fan, which is fixedly mounted on the bottom surface of a low-voltage power distribution cabinet body. A plurality of air holes are provided on the inner bottom wall of the low-voltage power distribution cabinet body. A connecting plate is placed on the inner bottom wall of the low-voltage power distribution cabinet body. A plurality of sponge columns are fixedly connected to the bottom surface of the connecting plate, one end of each of which extends to the inside of the plurality of air holes. A second rubber pad is fixedly connected to the left and right sides of the connecting plate. A plurality of connecting holes are provided on the bottom surface of the mounting plate.

[0016] Furthermore, the connecting plate is located between the two fixing blocks, the second rubber pad is fitted with the fixing blocks, the plurality of air holes are covered by a cooling fan, and the cooling fan is located between the two supporting blocks.

[0017] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0018] 1. The power monitoring device of the low-voltage distribution cabinet can conveniently limit the power monitoring device through the placement slot, and can limit the power monitoring device through the fixing plate. At the same time, the installation plate can be limited through the clearance between the positioning rod and the positioning hole, thereby improving the stability of the power monitoring device and making it more convenient and practical.

[0019] 2. The power monitoring device of the low-voltage distribution cabinet supports the mounting plate through the fit between the first rubber pad and the placement groove, thereby improving the stability of the mounting plate. The fixing plate is conveniently fixed through the clearance fit between the fixing rod and the fixing hole, which is convenient for the staff to operate. At the same time, the power monitoring device is cooled by the action of the cooling fan, thereby increasing the service life of the power monitoring device. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the utility model;

[0021] Figure 2 It is a schematic diagram of the right side of the left side fixing block in the structure of the utility model;

[0022] Figure 3 for Figure 1 A is a magnified schematic diagram of the structure;

[0023] Figure 4 It is a top view schematic diagram of the left side fixing block in the structure of the utility model.

[0024] In the figure: 1 low-voltage distribution cabinet body, 2 fixing block, 3 power monitoring device, 4 mounting plate, 5 connecting hole, 6 connecting rod, 7 placement slot, 8 first rubber pad, 9 supporting block, 10 fixing plate, 11 cooling fan, 12 air vent, 13 sponge column, 14 connecting plate, 15 second rubber pad, 16 positioning rod, 17 positioning hole, 18 fixing hole, 19 fixing rod. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Example 1: Please refer to Figure 1-4 In this embodiment, a power monitoring device for a low-voltage distribution cabinet includes a low-voltage distribution cabinet body 1 and a power monitoring device 3 arranged on the low-voltage distribution cabinet body 1. Two support blocks 9 are fixedly connected to the bottom surface of the low-voltage distribution cabinet body 1.

[0027] Two fixed blocks 2 are fixedly connected to the inner bottom wall of the low-voltage distribution cabinet body 1, and placement grooves 7 are provided on the opposite sides of the two fixed blocks 2. A mounting plate 4 is placed between the two fixed blocks 2, and both ends of the mounting plate 4 extend to the inside of the two placement grooves 7 respectively. The left and right sides of the mounting plate 4 are fixedly connected to the first rubber pad 8, and the power monitoring device 3 is fixedly installed on the top surface of the mounting plate 4.

[0028] Among them, the power monitoring device 3 is located between the two fixed blocks 2, the mounting plate 4 and the placement groove 7 are slidably connected, the two first rubber pads 8 are respectively located inside the two placement grooves 7, and the two first rubber pads 8 are respectively fitted with the two placement grooves 7.

[0029] It should be noted that the power monitoring device 3 is a conventional device known to the public in the prior art, and its specific structure and working principle will not be described in detail herein.

[0030] Specifically, the mounting plate 4 is pushed so that the two ends of the mounting plate 4 are inserted into the two placement grooves 7 to restrict the mounting plate 4, and then the power monitoring device 3 is installed inside the low-voltage distribution cabinet body 1. The mounting plate 4 is supported by the fit between the first rubber pad 8 and the placement groove 7 to improve the stability of the mounting plate 4, and the interior of the low-voltage distribution cabinet body 1 is monitored by the power monitoring device 3.

[0031] Example 2: Please refer to Figure 1-4 In this embodiment, on the basis of the first embodiment, a fixing assembly is provided between the two fixing blocks 2, and the fixing assembly includes two connecting rods 6, and the two connecting rods 6 are respectively movably connected to the front sides of the two fixing blocks 2 through bearings, and the bottom surfaces of the two connecting rods 6 are fixedly connected with fixing plates 10, and the front sides of the two fixing blocks 2 are fixedly connected with fixing rods 19, and the bottom surfaces of the two fixing plates 10 are provided with fixing holes 18, and the two fixing rods 19 extend to the inside of the two fixing holes 18 respectively, and the insides of the two placement grooves 7 are fixedly connected with positioning rods 16, and the back side of the mounting plate 4 is provided with two positioning holes 17, and the two positioning rods 16 extend to the inside of the two positioning holes 17 respectively.

[0032] Among them, the mounting plate 4 and the fixing block 2 are both fitted with the fixing plate 10, the connecting rod 6 and the fixing rod 19 are both L-shaped rods, the fixing rod 19 is an elastic rod, the positioning rod 16 and the positioning hole 17 are clearance-fitted, and the fixing rod 19 and the fixing hole 18 are clearance-fitted.

[0033] Specifically, the fixing rod 19 is pulled to deform the fixing rod 19, and the fixing plate 10 is rotated. Through the action of the connecting rod 6, the fixing plate 10 is driven to flip, so that the fixing plate 10 and the mounting plate 4 are fitted together, and the fixing rod 19 and the fixing hole 19 are located on the same center line. The fixing rod 19 is pushed to reset the fixing rod 19 and insert it into the fixing hole 19. The fixing plate 10 is fixed by the clearance fit between the fixing rod 19 and the fixing hole 19, and then the mounting plate 4 is fixed.

[0034] Example 3: Please refer to Figure 1-4 In this embodiment, on the basis of Embodiment 1 and Embodiment 2, a ventilation assembly is provided on a low-voltage distribution cabinet body 1, and the ventilation assembly includes a cooling fan 11, and the cooling fan 11 is fixedly mounted on the bottom surface of the low-voltage distribution cabinet body 1. A plurality of air holes 12 are provided on the inner bottom wall of the low-voltage distribution cabinet body 1, and a connecting plate 14 is placed on the inner bottom wall of the low-voltage distribution cabinet body 1. A plurality of sponge columns 13 are fixedly connected to the bottom surface of the connecting plate 14, and one end of each sponge column extends to the inside of the plurality of air holes 12, respectively. A second rubber pad 15 is fixedly connected to the left and right sides of the connecting plate 14, and a plurality of connecting holes 5 are provided on the bottom surface of the mounting plate 4.

[0035] The connecting plate 14 is located between the two fixing blocks 2 , the second rubber pad 15 is in contact with the fixing block 2 , the plurality of air holes 12 are all covered by the cooling fan 11 , and the cooling fan 11 is located between the two supporting blocks 9 .

[0036] It should be noted that the heat dissipation fan 11 is a conventional device known to the public in the prior art, and its specific structure and working principle will not be described in detail herein.

[0037] Specifically, push the connecting plate 14 to make the connecting plate 14 and the low-voltage distribution cabinet body 1 fit together, insert the sponge column 13 into the air vent 12, fix the connecting plate 14 through the fit between the second rubber pad 15 and the fixing block 2, start the cooling fan 11, and the cooling fan 11 draws the heat generated by the power monitoring device 3 through the air vent 12 and the connecting hole 5 to dissipate the heat of the power monitoring device 3, and block dust through the sponge column 13 to prevent dust from entering the low-voltage distribution cabinet body 1 as much as possible.

[0038] The working principle of the above embodiment is:

[0039] Push the connecting plate 14 to make the connecting plate 14 and the low-voltage distribution cabinet body 1 fit together, insert the sponge column 13 into the inside of the vent hole 12, fix the connecting plate 14 through the fit between the second rubber pad 15 and the fixing block 2, push the mounting plate 4 to make the two ends of the mounting plate 4 inserted into the inside of the two placement grooves 7, and then insert the positioning rod 16 into the inside of the positioning hole 17, and restrict the mounting plate 4 through the clearance fit between the positioning rod 16 and the positioning hole 17, so that the power monitoring device 3 is installed in the inside of the low-voltage distribution cabinet body 1, support the mounting plate 4 through the fit between the first rubber pad 8 and the placement groove 7, improve the stability of the mounting plate 4, pull the fixing rod 19 to deform the fixing rod 19, rotate the fixing plate 10, and through the action of the connecting rod 6 The fixing plate 10 is driven to flip over so that the fixing plate 10 and the mounting plate 4 are fitted together, and the fixing rod 19 and the fixing hole 19 are located on the same center line. The fixing rod 19 is pushed to reset the fixing rod 19 and insert it into the fixing hole 19. The fixing plate 10 is fixed by the clearance fit between the fixing rod 19 and the fixing hole 19, and then the mounting plate 4 is fixed. Then, the interior of the low-voltage distribution cabinet 1 is monitored through the power monitoring device 3, and the cooling fan 11 is started. The cooling fan 11 draws the heat generated by the power monitoring device 3 through the air vents 12 and the connecting hole 5 to dissipate the heat of the power monitoring device 3, and the sponge column 13 is used to block dust to prevent dust from entering the interior of the low-voltage distribution cabinet 1 as much as possible.

[0040] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0041] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A power monitoring device for a low-voltage power distribution cabinet, comprising a low-voltage power distribution cabinet body (1) and a power monitoring device (3) arranged on the low-voltage power distribution cabinet body (1), characterized in that: Two support blocks (9) are fixedly connected to the bottom surface of the low-voltage power distribution cabinet body (1); The inner bottom wall of the low-voltage power distribution cabinet (1) is fixedly connected with two fixing blocks (2), and opposite sides of the two fixing blocks (2) are provided with placement grooves (7). A mounting plate (4) is placed between the two fixing blocks (2), and the two ends of the mounting plate (4) extend to the inside of the two placement grooves (7) respectively. The left side and the right side of the mounting plate (4) are fixedly connected with a first rubber pad (8), and the power monitoring device (3) is fixedly mounted on the top surface of the mounting plate (4); A fixing component is provided between the two fixing blocks (2), and a ventilation component is provided on the low-voltage power distribution cabinet body (1).

2. The power monitoring device for a low-voltage distribution cabinet according to claim 1, characterized in that: The power monitoring device (3) is located between the two fixed blocks (2), and the mounting plate (4) and the placement groove (7) are slidably connected.

3. The power monitoring device for a low-voltage distribution cabinet according to claim 2, characterized in that: The two first rubber pads (8) are respectively located inside the two placement grooves (7), and the two first rubber pads (8) are respectively fitted with the two placement grooves (7).

4. The power monitoring device for a low-voltage distribution cabinet according to claim 1, characterized in that: The fixing assembly comprises two connecting rods (6), the two connecting rods (6) are movably connected to the front sides of the two fixing blocks (2) through bearings, the bottom sides of the two connecting rods (6) are fixedly connected to fixing plates (10), the front sides of the two fixing blocks (2) are fixedly connected to fixing rods (19), the bottom sides of the two fixing plates (10) are provided with fixing holes (18), the two fixing rods (19) extend to the inside of the two fixing holes (18), the inside of the two placement grooves (7) are fixedly connected to positioning rods (16), the back side of the mounting plate (4) is provided with two positioning holes (17), the two positioning rods (16) extend to the inside of the two positioning holes (17), respectively.

5. The power monitoring device for a low-voltage distribution cabinet according to claim 4, characterized in that: The mounting plate (4) and the fixing block (2) are both fitted with the fixing plate (10), and the connecting rod (6) and the fixing rod (19) are both L-shaped rods.

6. The power monitoring device for a low-voltage distribution cabinet according to claim 5, characterized in that: The fixing rod (19) is an elastic rod, the positioning rod (16) and the positioning hole (17) are clearance-matched, and the fixing rod (19) and the fixing hole (18) are clearance-matched.

7. The power monitoring device for a low-voltage distribution cabinet according to claim 4, characterized in that: The ventilation assembly comprises a heat dissipation fan (11), the heat dissipation fan (11) is fixedly mounted on the bottom surface of a low-voltage power distribution cabinet body (1), the inner bottom wall of the low-voltage power distribution cabinet body (1) is provided with a plurality of air holes (12), a connecting plate (14) is placed on the inner bottom wall of the low-voltage power distribution cabinet body (1), a plurality of sponge columns (13) are fixedly connected to the bottom surface of the connecting plate (14) and one end of each sponge column extends to the inside of the plurality of air holes (12), a second rubber pad (15) is fixedly connected to the left side and the right side of the connecting plate (14), and a plurality of connecting holes (5) are provided on the bottom surface of the mounting plate (4).

8. The power monitoring device for a low-voltage distribution cabinet according to claim 7, characterized in that: The connecting plate (14) is located between the two fixing blocks (2), the second rubber pad (15) is in close contact with the fixing block (2), the plurality of air holes (12) are all covered by the cooling fan (11), and the cooling fan (11) is located between the two supporting blocks (9).

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