Combined low-voltage switch cabinet

Abstract

The utility model relates to the technical field of switch cabinets, and discloses a combined low-voltage switch cabinet, which comprises a switch cabinet body and a sealing door, an object placing plate is welded and fixed on the inner wall of the switch cabinet body, a circuit breaker is placed on the top of the object placing plate, a fixing device is arranged on the top of the object placing plate, and the sealing door is arranged on the fixing device. A heat dissipation device is arranged at the top of the switch cabinet body, the heat dissipation device comprises a heat dissipation plate and a heat dissipation fan, and the heat dissipation fan exhausts air in the switch cabinet body and discharges heat in the switch cabinet body to cool the interior of the switch cabinet body at the same time; the cable extrudes the arc-shaped plate, the arc-shaped plate is stressed and contracted, the arc-shaped plate pushes the telescopic rod to contract, meanwhile, the arc-shaped plate extrudes the spring, the elastic potential energy of the spring is increased, the arc-shaped plate is pushed by the elastic potential energy of the spring to clamp and fix the cable, and the purpose of wire bunching is achieved.

Description

Technical Field

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

[0002] The main function of the switchgear is to open and close, control and protect electrical equipment in the process of power generation, transmission, distribution and energy conversion in the power system. According to the different voltage levels, it can be divided into high-voltage switchgear, medium-voltage switchgear and low-voltage switchgear. Modular low-voltage switchgear, such as GGL5 low-voltage modular switchgear and Domino series modular low-voltage switchgear, is mainly suitable for power plants, power stations, substations, factories and mines, hotels and various large and medium-sized high-rise building projects.

[0003] The existing combined low-voltage switch cabinet can refer to the Chinese utility model patent with the authorization announcement number CN207504366U, which discloses a combined low-voltage switch cabinet, "including a box for installing equipment, a lighting lamp is arranged on the box wall of the box, the power switch of the lighting lamp is located on the side wall of the box opening, the box opening is provided with a cabinet door, the cabinet door is provided with a locking rod, the locking rod and the lock buckle on the side wall of the box opening form a locking and opening cooperation, the locking rod is also connected to the switch key, the switch key is connected to the side wall of the box opening The power switch on the wall forms an opening and closing coordination, the driving part drives the lock rod to move synchronously with the switch key, the two ends of the safety rope are respectively connected to the inner wall of the cabinet door and the upper inner wall of the box body, a magnet is also provided at the box opening of the box body, and a spring is also provided between the magnet and the box opening of the box body. When the cabinet door is opened, the lighting in the box body is lit, which is convenient for power maintenance personnel to observe the operation. The safety rope set at the upper end of the cabinet door can hang the cabinet door on the box body when the cabinet door and the box body are rusted and broken to prevent the cabinet door from falling. "

[0004] When the above device is in use, the lock rod and lock buckle provided on the cabinet door cooperate to prevent the cabinet door from being opened at will. However, since a large number of cables are used inside the above device during use, it is not convenient to fix and limit the cables, and the cables are complicated and affect the inspection. In addition, the above device is not convenient for fixing and installing circuit breakers of different sizes, which reduces the practicality of the device. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a combined low-voltage switch cabinet, which has the advantages of being easy to limit and fix the cables to prevent the cables from being disorderly and affecting the inspection, and is easy to fix and install circuit breakers of different models to improve the practicality of the device, thereby solving the problems raised in the above-mentioned background technology.

[0006] The utility model provides the following technical solution: a combined low-voltage switch cabinet, comprising a switch cabinet body and a sealed door, a storage plate is welded and fixed to the inner wall of the switch cabinet body, a circuit breaker is placed on the top of the storage plate, a fixing device is arranged on the top of the storage plate, and a heat dissipation device is arranged on the top of the switch cabinet body;

[0007] The fixing device comprises a motor and a clamping plate, and the motor drives the clamping plate to close inwards to clamp and fix the circuit breaker;

[0008] The heat dissipation device includes a heat dissipation plate and a heat dissipation fan, and the heat dissipation fan draws out the air inside the switch cabinet body and discharges the heat inside the switch cabinet body to cool the inside of the switch cabinet body.

[0009] As a preferred technical solution of the utility model, the fixing device also includes a first gear and a first tooth plate, the output shaft end of the motor is rotatably connected to the bottom of the first gear, the teeth of the first gear are meshed with the inner wall of the tooth block of the first tooth plate, and the top of the first tooth plate is fixedly connected to the bottom of the clamping plate.

[0010] As a preferred technical solution of the utility model, a sliding groove is provided at the position where the top of the storage plate is connected to the first tooth plate, and the inner wall of the sliding groove is slidingly connected to the outer wall of the first tooth plate, and the top of the first gear is rotationally connected to the inner wall of the storage plate.

[0011] As a preferred technical solution of the utility model, a wire harness hole is opened on the outer wall of the switch cabinet body, and a wire harness device is provided at a position on the inner wall of the switch cabinet body corresponding to the wire harness hole. The wire harness device includes a wire harness plate, and the inner wall of the wire harness plate is fixedly connected with a telescopic rod, the outer wall of the telescopic rod is slidably sleeved with a spring, and an arc plate is welded and fixed to one end of the telescopic rod, and the outer wall of the arc plate is slidably connected to the inner wall of the wire harness plate.

[0012] As a preferred technical solution of the utility model, a circular hole is opened on the outer wall of the wire harness plate, and the position of the circular hole corresponds to the position of the wire harness hole.

[0013] As a preferred technical solution of the present utility model, a moving device is provided at the bottom of the switch cabinet body, and the moving device includes a hydraulic rod, and a second tooth plate is welded and fixed to the power rod end of the hydraulic rod, the top of the second tooth plate is slidably connected to the inner wall of the switch cabinet body, and the tooth block of the second tooth plate is meshed with a second gear, a screw rod is welded and fixed to the bottom of the second gear, and the bottom of the screw rod is rotatably connected to the inner wall of the switch cabinet body, the outer edge of the screw rod is threadedly connected to a connecting frame, and the bottom of the connecting frame is rotatably connected to a universal wheel.

[0014] As a preferred technical solution of the utility model, a through hole is opened at the position where the bottom of the switch cabinet body is connected to the connecting frame, and the connecting frame is slidably connected to the inner wall of the through hole. A support column is welded and fixed to the bottom of the switch cabinet body, and the support column is located at the four corners of the bottom of the switch cabinet body.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] 1. The combined low-voltage switch cabinet passes the cable through the cable bundle hole and sends it into the inner wall of the cable bundle plate, so that the cable squeezes the arc plate, the arc plate contracts under force, and the arc plate pushes the telescopic rod to contract. At the same time, the arc plate squeezes the spring, so that the elastic potential energy of the spring increases. The elastic potential energy of the spring is used to push the arc plate to clamp and fix the cable, thereby achieving the purpose of bundling.

[0017] 2. The combined low-voltage switch cabinet, by energizing the motor to work, drives the first gear to rotate at the bottom of the storage plate, and utilizes the first tooth plate that meshes with the teeth of the first gear to drive the first tooth plate to move while the first gear rotates, and drives the clamping plates to close inward, so as to adjust the spacing between the clamping plates, so that the clamping plates can clamp and fix the circuit breaker placed on the top of the storage plate, which is convenient for installing and fixing circuit breakers of different models. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;

[0020] Figure 3 This is a schematic diagram of the structure of the mobile device of the utility model;

[0021] Figure 4 This is a schematic diagram of the structure of the wire harness device of the utility model;

[0022] Figure 5 This is a schematic diagram of the structure of the fixing device of the utility model.

[0023] In the figure: 1. switch cabinet body; 2. sealed door; 3. heat dissipation device; 301. heat dissipation plate; 302. heat dissipation fan; 4. storage plate; 5. circuit breaker; 6. fixing device; 601. motor; 602. first gear; 603. first tooth plate; 604. clamping plate; 7. wire harness hole; 8. wire harness device; 801. wire harness plate; 802. telescopic rod; 803. spring; 804. arc plate; 9. moving device; 901. hydraulic rod; 902. second tooth plate; 903. second gear; 904. screw rod; 905. connecting frame; 906. universal wheel; 10. support column. DETAILED DESCRIPTION

[0024] 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.

[0025] See also Figure 1 - Figure 5 A combined low-voltage switch cabinet includes a switch cabinet body 1 and a sealed door 2. A storage plate 4 is welded and fixed to the inner wall of the switch cabinet body 1, and a circuit breaker 5 is placed on the top of the storage plate 4. A fixing device 6 is provided on the top of the storage plate 4. A heat dissipation device 3 is provided on the top of the switch cabinet body 1. The fixing device 6 includes a motor 601 and a clamping plate 604, and the motor 601 drives the clamping plate 604 to close inward to clamp and fix the circuit breaker 5. The heat dissipation device 3 includes a heat dissipation plate 301 and a heat dissipation fan 302, and the heat dissipation fan 302 extracts the air inside the switch cabinet body 1 and discharges the heat inside the switch cabinet body 1 to cool the inside of the switch cabinet body 1.

[0026] The fixing device 6 also includes a first gear 602 and a first toothed plate 603. The output shaft end of the motor 601 is rotatably connected to the bottom of the first gear 602. The gear teeth of the first gear 602 mesh with the inner wall of the tooth block of the first toothed plate 603. The top of the first toothed plate 603 is fixedly connected to the bottom of the clamping plate 604. A sliding groove is provided at the position where the top of the storage plate 4 is connected to the first toothed plate 603, and the inner wall of the sliding groove is slidably connected to the outer wall of the first toothed plate 603. The top of the first gear 602 is rotatably connected to the inner wall of the storage plate 4. The motor 601 is powered on to drive the first gear 602 to rotate at the bottom of the storage plate 4. The first toothed plate 603 meshing with the gear teeth of the first gear 602 is used to make the first toothed plate 603 move while the first gear 602 rotates, and drive the clamping plate 604 to close inward, so as to adjust the spacing between the clamping plates 604, so that the clamping plate 604 can clamp and fix the circuit breaker 5 placed on the top of the storage plate 4.

[0027] The outer wall of the switch cabinet body 1 is provided with a wire harness hole 7, and the inner wall of the switch cabinet body 1 is provided with a wire harness device 8 at a position corresponding to the wire harness hole 7. The wire harness device 8 includes a wire harness plate 801, and the inner wall of the wire harness plate 801 is fixedly connected with a telescopic rod 802, and the outer wall of the telescopic rod 802 is slidably sleeved with a spring 803, and one end of the telescopic rod 802 is welded and fixed with an arc plate 804, and the outer wall of the arc plate 804 is slidably connected with the inner wall of the wire harness plate 801. 1 is provided with a circular hole, and the position of the circular hole corresponds to the position of the harness hole 7. The cable is passed through the harness hole 7 and sent into the inner wall of the harness plate 801, so that the cable squeezes the arc plate 804, and the arc plate 804 is forced to shrink, and the arc plate 804 pushes the telescopic rod 802 to shrink. At the same time, the arc plate 804 squeezes the spring 803, so that the elastic potential energy of the spring 803 is increased, and the elastic potential energy of the spring 803 is used to push the arc plate 804 to clamp and fix the cable.

[0028] A moving device 9 is provided at the bottom of the switch cabinet body 1, and the moving device 9 includes a hydraulic rod 901, and a second tooth plate 902 is welded and fixed to the power rod end of the hydraulic rod 901, the top of the second tooth plate 902 is slidably connected to the inner wall of the switch cabinet body 1, and the tooth block of the second tooth plate 902 is meshed with a second gear 903, and a screw rod 904 is welded and fixed to the bottom of the second gear 903, and the bottom of the screw rod 904 is rotatably connected to the inner wall of the switch cabinet body 1, the outer edge of the screw rod 904 is threadedly connected to a connecting frame 905, and the bottom of the connecting frame 905 is rotatably connected to a universal wheel 906, a through hole is provided at the position where the bottom of the switch cabinet body 1 is connected to the connecting frame 905, and the connecting frame 905 is slidably connected to the inner wall of the through hole, and a support is welded and fixed to the bottom of the switch cabinet body 1 The support column 10 is located at the four corners of the bottom of the switch cabinet body 1, and the hydraulic rod 901 is controlled to work, driving the second tooth plate 902 to move. While the second tooth plate 902 moves, the second gear 903 is driven to rotate, and the screw rod 904 welded and fixed at the bottom is driven to rotate. The connecting frame 905 connected by the threaded outer edge of the screw rod 904 is used to make the screw rod 904 rotate while driving the connecting frame 905 to rise and fall, and make the universal wheel 906 extend from the bottom of the switch cabinet body 1 and contact the ground. The personnel pushes the device to move. After moving the device to the corresponding position, the power rod of the hydraulic rod 901 is controlled to move in the opposite direction, and the universal wheel 906 is retracted into the inner wall of the switch cabinet body 1, so that the support column 10 supports the device to maintain the stability of the device.

[0029] Working principle: when in use, the hydraulic rod 901 is controlled to work, driving the second tooth plate 902 to move. When the second tooth plate 902 moves, the second gear 903 is driven to rotate, and the screw rod 904 welded and fixed at the bottom is driven to rotate. The connecting frame 905 connected by the thread on the outer edge of the screw rod 904 is used to make the screw rod 904 rotate and drive the connecting frame 905 to rise and fall, and make the universal wheel 906 extend from the bottom of the switch cabinet body 1 and contact the ground. The personnel push the device to move. After moving the device to the corresponding position, the power rod of the hydraulic rod 901 is controlled to move in the opposite direction, and the universal wheel 906 is retracted into the inner wall of the switch cabinet body 1, so that the support column 10 supports the device to maintain the stability of the device, and the motor 601 is powered on to work, driving the first gear 602 to rotate at the bottom of the storage plate 4, and using the first tooth plate 603 meshing with the gear teeth of the first gear 602, the first gear 60 2 rotates, and at the same time drives the first tooth plate 603 to move, and drives the clamping plate 604 to close inward, so as to adjust the spacing between the clamping plates 604, so that the clamping plate 604 can clamp and fix the circuit breaker 5 placed on the top of the storage plate 4, and the cable is sent into the inner wall of the cable harness plate 801 through the harness hole 7, so that the cable squeezes the arc plate 804, and the arc plate 804 is forced to shrink, and the arc plate 804 pushes the telescopic rod 802 to shrink, and at the same time, the arc plate 804 squeezes the spring 803, so that the elastic potential energy of the spring 803 increases, and the elastic potential energy of the spring 803 is used to push the arc plate 804 to clamp and fix the cable, so as to connect the cable to the circuit breaker 5, and control the heat dissipation fan 302 to work, so as to discharge the air inside the switch cabinet body 1 from the heat dissipation plate 301, so as to achieve the purpose of cooling the inside of the switch cabinet body 1, prevent the internal components of the switch cabinet body 1 from being damaged by excessive temperature, and improve the service life of the device.

[0030] 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 modular low-voltage switch cabinet, comprising a switch cabinet body (1) and a sealed door (2), characterized in that: A storage plate (4) is welded and fixed to the inner wall of the switch cabinet body (1), and a circuit breaker (5) is placed on the top of the storage plate (4); a fixing device (6) is provided on the top of the storage plate (4); and a heat dissipation device (3) is provided on the top of the switch cabinet body (1); The fixing device (6) comprises a motor (601) and a clamping plate (604), and the motor (601) drives the clamping plate (604) to close inwards to clamp and fix the circuit breaker (5); The heat dissipation device (3) comprises a heat dissipation plate (301) and a heat dissipation fan (302), and the heat dissipation fan (302) extracts air from the interior of the switch cabinet body (1) and discharges heat from the interior of the switch cabinet body (1) to cool the interior of the switch cabinet body (1).

2. The combined low-voltage switch cabinet according to claim 1 is characterized in that: The fixing device (6) also includes a first gear (602) and a first toothed plate (603); the output shaft end of the motor (601) is rotatably connected to the bottom of the first gear (602); the gear teeth of the first gear (602) are meshed with the inner wall of the tooth block of the first toothed plate (603); and the top of the first toothed plate (603) is fixedly connected to the bottom of the clamping plate (604).

3. A combined low-voltage switch cabinet according to claim 2, characterized in that: A sliding groove is provided at the position where the top of the storage plate (4) is connected to the first tooth plate (603), and the inner wall of the sliding groove is slidingly connected to the outer wall of the first tooth plate (603), and the top of the first gear (602) is rotationally connected to the inner wall of the storage plate (4).

4. The combined low-voltage switch cabinet according to claim 1, characterized in that: The outer wall of the switch cabinet body (1) is provided with a wire harness hole (7), and a wire harness device (8) is provided at a position on the inner wall of the switch cabinet body (1) corresponding to the wire harness hole (7), the wire harness device (8) comprises a wire harness plate (801), and the inner wall of the wire harness plate (801) is fixedly connected with a telescopic rod (802), the outer wall of the telescopic rod (802) is slidably sleeved with a spring (803), and an arc plate (804) is welded and fixed to one end of the telescopic rod (802), and the outer wall of the arc plate (804) is slidably connected with the inner wall of the wire harness plate (801).

5. The combined low-voltage switch cabinet according to claim 4 is characterized in that: The outer wall of the wire harness plate (801) is provided with a circular hole, and the position of the circular hole corresponds to the position of the wire harness hole (7).

6. The combined low-voltage switch cabinet according to claim 1, characterized in that: A moving device (9) is provided at the bottom of the switch cabinet body (1), and the moving device (9) comprises a hydraulic rod (901), and a second tooth plate (902) is welded and fixed to the power rod end of the hydraulic rod (901), the top of the second tooth plate (902) is slidably connected to the inner wall of the switch cabinet body (1), and the tooth block of the second tooth plate (902) is meshed with a second gear (903), a screw rod (904) is welded and fixed to the bottom of the second gear (903), and the bottom of the screw rod (904) is rotatably connected to the inner wall of the switch cabinet body (1), the outer edge of the screw rod (904) is threadedly connected to a connecting frame (905), and the bottom of the connecting frame (905) is rotatably connected to a universal wheel (906).

7. The combined low-voltage switch cabinet according to claim 6, characterized in that: A through hole is provided at a position where the bottom of the switch cabinet body (1) is connected to the connecting frame (905), and the connecting frame (905) is slidably connected to the inner wall of the through hole. A support column (10) is welded and fixed to the bottom of the switch cabinet body (1), and the support column (10) is located at the four corners of the bottom of the switch cabinet body (1).

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