Low-voltage power distribution cabinet for electric energy management

Abstract

The utility model provides a low-voltage power distribution cabinet for electric energy management, which relates to the technical field of electric power equipment and comprises a cabinet body and a cabinet door, the other side of the cabinet body is hinged with a back plate, one side of the back plate is connected with a guide rail, a support frame is arranged below the back plate, and the outer surface of a pull rod is slidably connected with the inner wall of a sliding seat. According to the low-voltage power distribution cabinet for electric energy management, through cooperation of the back plate, the guide rail, the supporting frame and the pull rod, supporting force is provided for the back plate through the supporting frame, the back plate is prevented from being deformed due to heavy pressure, the stability of the back plate is kept, and the service life of the back plate is prolonged. The stability of the backboard after rotation is set through the pull rod, the backboard is prevented from moving, the power distribution equipment is located outside the cabinet body and is separated from the cabinet body through rotation of the backboard, the maintenance operation space is improved, and an operator can conveniently maintain the low-voltage power distribution cabinet for electric energy management.

Description

TECHNICAL FIELD

[0001] The utility model relates to a power distribution cabinet, in particular to a low voltage power distribution cabinet for electric energy management belongs to electric power equipment technical field. BACKGROUND

[0002] The low voltage power distribution cabinet for electric energy management is a kind of equipment for low voltage power distribution system, which distributes, controls, protects and monitors electric energy, and has the function of electric energy quality management. The electric energy after being stepped down by transformer is distributed to each power consumption unit. The on-off control of circuit is realized by switch equipment such as circuit breaker and contactor to ensure the reasonable distribution and safe use of electric energy. By installing reactive power compensation device (such as capacitor bank) in the power distribution cabinet, the inductive load in the circuit is compensated, the power factor is improved, the transmission loss of reactive power is reduced, and the power supply efficiency and voltage quality of power grid are improved.

[0003] Most of the existing low voltage power distribution cabinets for electric energy management, the power distribution equipment is supported by guide rail. The power distribution equipment is installed in the deep part of the low voltage power distribution cabinet for electric energy management through guide rail. Since the internal space of the low voltage power distribution cabinet for electric energy management is small, it is very inconvenient for operators to disassemble, replace or overhaul the power distribution equipment after damage or failure. Therefore, we provide a low voltage power distribution cabinet for electric energy management to solve the above problems. UTILITY MODEL CONTENTS

[0004] To solve the above problems, the utility model provides a low voltage power distribution cabinet for electric energy management to solve the above problems, and the specific technical scheme is as follows:

[0005] A low voltage power distribution cabinet for electric energy management, comprising a cabinet body and a cabinet door, one side of the cabinet door is hingedly connected with one side of the cabinet body, the other side of the cabinet body is hingedly connected with a back plate, one side of the back plate is connected with a guide rail, a support frame is arranged below the back plate, a rotating shaft is connected with the upper surface of the back plate, a pull rod is rotatably connected with the outer surface of the rotating shaft, a sleeve is rotatably connected with the inner side of the cabinet body, one end of the sleeve located outside the cabinet body is connected with a sliding seat, the outer surface of the pull rod is slidably connected with the inner wall of the sliding seat, a lead screw is threadedly connected with the inner wall of the sliding seat, an arc-shaped clamping plate is slidably connected with the inner wall of the sliding seat, one side of the arc-shaped clamping plate is in contact with the outer surface of the pull rod, and the other side of the pull rod is rotatably connected with one end of the lead screw.

[0006] Preferably, the end of the pull rod away from the rotating shaft is connected with a limiting block, and the diameter of the limiting block is greater than the diameter of the pull rod.

[0007] Preferably, the other end of the lead screw is connected with a hand wheel, and the hand wheel is located outside the cabinet body.

[0008] Preferably, the number of guide rails is multiple, and the multiple guide rails are arranged at equal distances.

[0009] Preferably, the inner side of the cabinet is provided with a plurality of groups of heat dissipation holes, and the plurality of groups of heat dissipation holes are arranged at equal distances, some of the cabinet are connected with wire passing pipes, and the wire passing pipes have bending arcs.

[0010] Preferably, the two sides of the cabinet are both provided with sealing strips, one of the sealing strips corresponds to the back plate, and the other of the sealing strips corresponds to the cabinet door, the outer surfaces of the cabinet door and the back plate are both provided with handles.

[0011] Preferably, the lower surface of the back plate is connected with a first supporting shaft, the lower surface of the cabinet is connected with a second supporting shaft, one end of the supporting frame is rotationally connected with the outer surface of the second supporting shaft, and the inner side of the supporting frame is provided with a sliding channel, and the inner wall of the sliding channel is slidingly connected with the outer surface of the first supporting shaft.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1、This low voltage distribution cabinet for electric energy treatment cooperates between back plate, guide rail, supporting frame and draw bar, provides supporting force for back plate through supporting frame, prevents back plate from being deformed under heavy pressure, maintains stability of back plate, sets stability of back plate after rotation through draw bar, prevents back plate from moving position, makes distribution equipment be located at the outside of cabinet through back plate rotation, separates from cabinet, improves operation space of maintenance, and personnel is convenient for the maintenance of low voltage distribution cabinet for electric energy treatment.

[0014] 2、This low voltage distribution cabinet for electric energy treatment cooperates between heat dissipation hole and wire passing pipe, emits heat released by distribution equipment to the outside through heat dissipation hole, prevents heat from accumulating in the inside of cabinet, emits heat in the inside of cabinet to the outside through heat dissipation hole, improves stability of distribution equipment, is convenient for the introduction of cable into the inside of cabinet through wire passing hole, and the angle of downward bending arc can reduce rainwater or dust from entering the inside of cabinet through wire passing hole, improves safety of distribution equipment in the inside of cabinet. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the whole structure schematic diagram of the utility model;

[0016] Figure 2 It is the whole rear view structure schematic diagram in the utility model;

[0017] Figure 3 It is the cabinet bottom view structure schematic diagram in the utility model;

[0018] Figure 4 It is the cabinet bottom view structure schematic diagram in the utility model; Figure 3 It is the local amplification structure schematic diagram of A place in the utility model;

[0019] Figure 5 It is the draw bar structure schematic diagram in the utility model.

[0020] Attached diagram descriptions: 1. Cabinet body; 2. Cabinet door; 3. Back panel; 4. Guide rail; 5. Support frame; 6. Rotating shaft; 7. Pull rod; 8. Sleeve; 9. Slide seat; 10. Lead screw; 11. Arc-shaped clamp; 12. Limiting block; 13. Handwheel; 14. Ventilation hole; 15. Cable guide tube; 16. Sealing strip; 17. Handle; 18. First support shaft; 19. Second support shaft; 20. Slide rail. Detailed Implementation

[0021] The present invention will now be further described with reference to the accompanying drawings.

[0022] Please see Figures 1-5 A low-voltage distribution cabinet for power management includes a cabinet body 1 and a cabinet door 2. One side of the cabinet door 2 is hinged to one side of the cabinet body 1, and a back panel 3 is hinged to the other side of the cabinet body 1. The cabinet door 2 seals the entrance and exit of the cabinet body 1 to prevent dust and impurities from entering the cabinet body 1. By rotating the back panel 3, the power distribution equipment installed on the back panel 3 is located outside the cabinet body 1.

[0023] A guide rail 4 is connected to one side of the back plate 3. There are multiple guide rails 4, and the multiple guide rails 4 are arranged at equal distances. The guide rails 4 support the power distribution equipment and maintain the stability of the power distribution equipment.

[0024] A support frame 5 is provided below the back panel 3. A first support shaft 18 is connected to the lower surface of the back panel 3, and a second support shaft 19 is connected to the lower surface of the cabinet 1. One end of the support frame 5 is rotatably connected to the outer surface of the second support shaft 19. A slide rail 20 is provided on the inner side of the support frame 5. The inner wall of the slide rail 20 is slidably connected to the outer surface of the first support shaft 18. The support frame 5 provides support for the back panel 3. The back panel 3 bears a large load after the power distribution equipment is installed. In order to prevent the back panel 3 from deforming, the support frame 5 provides support below the back panel 3 to prevent the back panel 3 from sagging and improve the stability of the back panel 3.

[0025] A rotating shaft 6 is connected to the upper surface of the back plate 3, and a pull rod 7 is rotatably connected to the outer surface of the rotating shaft 6. The pull rod 7 pulls the back plate 3 to prevent the back plate 3 from rotating too much.

[0026] The inner side of the cabinet body 1 is rotationally connected with a sleeve 8, one end of the sleeve 8 located outside the cabinet body 1 is connected with a sliding seat 9, the outer surface of the pull rod 7 is slidingly connected with the inner wall of the sliding seat 9, the sliding seat 9 provides support force for the pull rod 7, maintains the stability of the pull rod 7 in the moving position, the inner wall of the sliding seat 9 is threadedly connected with a lead screw 10, the inner wall of the sliding seat 9 is slidingly connected with an arc-shaped clamping plate 11, one side of the arc-shaped clamping plate 11 is in contact with the outer surface of the pull rod 7, the other side of the pull rod 7 is rotationally connected with one end of the lead screw 10, a pushing force is generated by rotating the lead screw 10 to move the arc-shaped clamping plate 11, after the arc-shaped clamping plate 11 moves to the position, the arc-shaped clamping plate 11 is in contact with the pull rod 7 to limit the moving position of the pull rod 7, so as to set the moving distance of the pull rod 7.

[0027] The other end of the lead screw 10 is connected with a hand wheel 13, and the hand wheel 13 is located outside the cabinet body 1, the hand wheel 13 increases the contact area between the lead screw 10 and the hand, so as to facilitate the hand to drive the lead screw 10 to rotate.

[0028] The other end of the lead screw 10 is connected with a hand wheel 13, and the hand wheel 13 is located outside the cabinet body 1, the hand wheel 13 increases the contact area between the lead screw 10 and the hand, so as to facilitate the hand to drive the lead screw 10 to rotate.

[0029] A plurality of groups of heat dissipation holes 14 are formed in the inner side of the cabinet body 1, and the plurality of groups of heat dissipation holes 14 are arranged at equal distances, the power distribution equipment releases heat during operation, and high heat can reduce the operation efficiency of the power distribution equipment, and even cause damage, the heat dissipation holes 14 release the heat released by the power distribution equipment to the outside, thereby improving the stability of the power distribution equipment, some of the cabinet body 1 are connected with wire passing pipes 15, and the wire passing pipes 15 have a curved arc, the wire passing pipes 15 electrically connect the required cables with the power distribution equipment inside the cabinet body 1, the curved arc has a downward angle, which can reduce the entry of rainwater or dust into the cabinet body 1 through the wire passing pipes 15, and a margin is reserved for the rotation of the back plate 3 when arranging the cables, so as to prevent the back plate 3 from being unable to rotate due to the short size of the cables.

[0030] Sealing strips 16 are installed on both sides of the cabinet body 1, one of the sealing strips 16 corresponds to the back plate 3, and the other sealing strip 16 corresponds to the cabinet door 2, handles 17 are installed on the outer surfaces of the cabinet door 2 and the back plate 3, and the handles 17 are in contact with the sealing strips 16 after the back plate 3 and the cabinet door 2 are closed, the sealing strips 16 increase the sealing property between the cabinet body 1 and the cabinet door 2 and the back plate 3, and the handles 17 facilitate the opening of the back plate 3 and the cabinet door 2.

[0031] The utility model discloses when using: when needing to replace and maintain the distribution accessory inside cabinet 1, first overturn backboard 3, drive guide rail 4 to move position after backboard 3 reverse, guide rail 4 drive the distribution equipment of installing above moves position simultaneously, the first support shaft 18 moves position in the slide 20 inside while backboard 3 moves position, then first support shaft 18 drive support frame 5 to move position, make support frame 5 always be in the below of backboard 3, provide support force for backboard 3, drive pull rod 7 to move position simultaneously while backboard 3 moves position, after backboard 3 moves to the set position, then through hand wheel 13 drive screw rod 10 to rotate, after screw rod 10 rotates, push arc clamping plate 11 and pull rod 7 contact, then limit pull rod 7 to move position, support backboard 3 through pull rod 7, prevent backboard 3 from moving position when maintaining distribution equipment.

[0032] The technical principles of the utility model are described above in combination with specific embodiments. These descriptions are only for explaining the principles of the utility model and cannot be interpreted as limiting the protection scope of the utility model in any way. Based on the explanations here, other specific embodiments of the utility model can be conceived by those skilled in the art without creative labor, and these embodiments will all fall within the protection scope of the claims of the utility model.

Claims

1. A low-voltage power distribution cabinet for electric energy management, comprising a cabinet body (1) and a cabinet door (2), characterized in that: One side of the cabinet door (2) is hingedly connected with one side of the cabinet body (1), the other side of the cabinet body (1) is hingedly connected with a back plate (3), one side of the back plate (3) is connected with a guide rail (4), a support frame (5) is arranged below the back plate (3), the upper surface of the back plate (3) is connected with a rotating shaft (6), the outer surface of the rotating shaft (6) is rotatably connected with a pull rod (7), the inner side of the cabinet body (1) is rotatably connected with a sleeve pipe (8), one end of the sleeve pipe (8) located outside the cabinet body (1) is connected with a sliding seat (9), the outer surface of the pull rod (7) is slidably connected with the inner wall of the sliding seat (9), the inner wall of the sliding seat (9) is threadedly connected with a lead screw (10), the inner wall of the sliding seat (9) is slidably connected with an arc-shaped clamping plate (11), one side of the arc-shaped clamping plate (11) is in contact with the outer surface of the pull rod (7), the other side of the pull rod (7) is rotatably connected with one end of the lead screw (10).

2. A low voltage distribution switchgear for electric energy management according to claim 1 characterized in that: The end of the pull rod (7) away from the rotating shaft (6) is connected with a limiting block (12), and the diameter of the limiting block (12) is greater than the diameter of the pull rod (7).

3. The low voltage switchboard for electric energy management according to claim 1, characterized in that: The other end of the lead screw (10) is connected with a hand wheel (13), and the hand wheel (13) is located outside the cabinet body (1).

4. The low voltage switchboard for electric energy management according to claim 1, characterized in that: The number of the guide rails (4) is multiple, and the multiple guide rails (4) are arranged at equal distances.

5. The low voltage switchgear panel for electric power management according to claim 1, characterized in that: A plurality of heat dissipation holes (14) are formed in the inner side of the cabinet body (1) and arranged at equal distances, and some of the cabinet body (1) are connected with wire passing pipes (15), and the wire passing pipes (15) have a curved radius.

6. The low voltage switchboard for electric energy management according to claim 1, characterized in that: Sealing strips (16) are mounted on both sides of the cabinet body (1), one of the sealing strips (16) corresponds to the back plate (3), and the other sealing strip (16) corresponds to the cabinet door (2), handles (17) are mounted on the outer surfaces of the cabinet door (2) and the back plate (3).

7. The low voltage switchgear panel for electric power management according to claim 1, characterized in that: A first supporting shaft (18) is connected to the lower surface of the back plate (3), a second supporting shaft (19) is connected to the lower surface of the cabinet body (1), one end of the support frame (5) is rotatably connected with the outer surface of the second supporting shaft (19), and a sliding channel (20) is formed in the inner side of the support frame (5), and the inner wall of the sliding channel (20) is slidably connected with the outer surface of the first supporting shaft (18).

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