Transformer no-load reactive compensation control cabinet

Abstract

The utility model discloses a transformer no-load reactive compensation control cabinet, which comprises a cabinet body and electronic components installed in the cabinet body, a support base is fixed at the bottom of the cabinet body, two rows of forklift holes are arranged on the base, a notch is arranged on the outer side of each forklift hole, a pull rod is fixed in each notch, and the pull rod is fixed on the support base. A pull rod is arranged in the cabinet body, a lifting ring is hinged to the pull rod, the inner diameter of the lifting ring is the same as that of a forklift hole, the lifting ring is hidden in the notch, a plurality of air inlets are formed in the lower wall of the cabinet body, a movable sealing door is arranged on the outer side of each air inlet, an air inlet assembly is arranged on the inner side of each air inlet, and a heat dissipation assembly is arranged on the upper wall of the cabinet body. The cabinet body is convenient to carry or hoist, steel beams and other auxiliary hoisting are not needed to be inserted into forklift holes, hoisting is stable, use is convenient, the air inlet assembly is arranged at each air inlet, the air inlet quality is improved, and the dustproof, moistureproof and heat dissipation effects are better.

Description

TECHNICAL FIELD

[0001] The utility model relates to electrical control cabinet equipment field especially relates to a transformer no-load reactive compensation control cabinet. BACKGROUND

[0002] Reactive compensation equipment is a kind of compensation equipment in power supply system, mainly through improving the power factor of power grid, to reduce the loss of power transformer and transmission line, so as to improve power supply efficiency, can effectively reduce line loss, improve voltage quality, give full play to the potential of power supply equipment, and can save electricity expenses for users, with very significant social and economic benefits. It has been widely used in substation, factory, industrial and mining enterprises, large power plant, petroleum, chemical enterprise, large steel plant, high-rise building power center, reactive compensation and other occasions.

[0003] The cabinet body of transformer no-load reactive compensation control cabinet is heavy, generally provided with forklift hole in bottom, is handled and installed by forklift. The outdoor installation environment of control cabinet is complex, cable trench is often lower than surrounding ground, and it is inconvenient to place by forklift, at this time, additional steel beam or steel pipe is needed to be inserted into forklift hole to assist hoisting, and the stability is poor and the procedure is complex, and the steel beam is inconvenient to take out.

[0004] In addition, when reactive compensation control cabinet works, the electronic components in the cabinet body generate a lot of heat, in order to ensure the normal operation of reactive compensation device, heat dissipation is needed. At present, most control cabinets are ventilated and cooled by opening ventilation holes and adding simple cooling fans. The internal heat dissipation of the cabinet body is uneven, and the air inlet of the cabinet body is often open when it stops working, which is not conducive to dust and moisture prevention, and this is a problem. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides a transformer no-load reactive compensation control cabinet, which is convenient for forklift handling and hoisting, and has better heat dissipation, dust prevention and moisture prevention effect, so as to improve the existing problems.

[0006] The utility model is realized through the following technical schemes:

[0007] A transformer no-load reactive compensation control cabinet, comprising a cabinet body and electronic components installed in the cabinet body, characterized in that: a support base is fixed to the bottom of the cabinet body, two rows of forklift holes are opened on the support base, an opening is opened on the outer side of each forklift hole, a pull rod is fixed in the opening, a lifting ring is hinged to the pull rod, the inner diameter of the lifting ring is the same as that of the forklift hole, and the lifting ring is hidden in the opening, a plurality of air inlets are opened on the lower wall of the cabinet body, a movable sealing door is arranged on the outer side of each air inlet, an air inlet assembly is arranged on the inner side of each air inlet, and a heat dissipation assembly is arranged on the upper wall of the cabinet body.

[0008] Further optimization, the bottom of the cabinet is provided with two fixed plates, a screw rod and two slide rods are arranged between the fixed plates, the sealing door is arranged on the screw rod and the slide rod, is in threaded connection with the screw rod and is in sliding connection with the slide rod, and the sealing door is close to the lower wall of the cabinet.

[0009] Further optimization, one side of the fixed plate is further provided with a transmission box, the screw rod penetrates the fixed plate and is connected with the transmission box, a servo motor is arranged in the control cabinet, an output shaft of the servo motor penetrates the lower wall of the cabinet and is connected with the transmission box, and the output shaft of the servo motor drives the sealing door to close or open the air inlet.

[0010] Further optimization, the bottom of the sealing door is fixedly provided with a supporting ring, and the sealing door is connected with the screw rod and the slide rod through the supporting ring.

[0011] Further optimization, the air inlet assembly comprises an air inlet supporting plate, a dust screen one, a moisture-proof filter pad, a supporting frame, an air inlet fan and a spoiler, the air inlet supporting plate is fixed on the air inlet, the dust screen one and the moisture-proof filter pad are clamped in the air inlet supporting plate, the supporting frame is fixed on the air inlet supporting plate, the air inlet fan is arranged in the supporting frame, and the spoiler is fixed on the supporting frame.

[0012] Further optimization, the spoiler is in spiral shape.

[0013] Further optimization, the heat dissipation assembly comprises an air outlet, an axial flow fan, a heat dissipation box and a dust screen two, the air outlet is arranged at the top of the cabinet, the heat dissipation box is fixed on the air outlet, the axial flow fan is arranged in the heat dissipation box, and the dust screen two is arranged on the heat dissipation box.

[0014] The utility model discloses the beneficial effect is:

[0015] The utility model discloses a forklift hole is seted up a gap on the control cabinet support base, a lifting ring is hinged in the gap, the inner diameter of the lifting ring is same with the forklift hole, the lifting ring can be unfolded or hidden in the gap, makes the cabinet convenient handling or hoisting, and the forklift hole does not need to insert the auxiliary hoisting such as steel beam, hoisting is stable, and convenient to use.

[0016] The utility model discloses the bottom of the air inlet of the cabinet bottom is provided with movable sealing door, and the sealing door is in normal open state when working and radiating, and the sealing door is closed when stopping, and the dustproof and moistureproof effect is better, and the air inlet assembly is arranged at every air inlet, and the moisture-proof filter screen is arranged, the air inlet quality is improved, and the dustproof and moistureproof are arranged, and the spoiler is arranged above the air inlet fan, and the airflow into the cabinet is disturbed, and the heat contact is more sufficient, and the heat dissipation effect is better. DRAWINGS

[0017] Figure 1 It is the three-dimensional structure schematic diagram of the utility model.

[0018] Figure 2 It isFigure 1 Enlarged schematic view at A.

[0019] Figure 3 Schematic view of the three-dimensional structure of the present application Figure Two .

[0020] Figure 4 Schematic view of the partial three-dimensional structure of the present application Figure One .

[0021] Figure 5 Schematic view of the partial three-dimensional structure of the present application Figure Two .

[0022] In the figure: 1, cabinet body; 2, supporting base; 3, forklift hole; 31, notch; 32, pull rod; 33, lifting ring; 4, auxiliary beam; 5, heat dissipation assembly; 51, air outlet; 52, heat dissipation box; 53, dust screen two; 6, air inlet assembly; 61, air inlet support plate; 62, supporting frame; 63, dust screen one; 64, moisture-proof filter pad; 65, air inlet fan; 66, spoiler; 8, sealing door; 81, fixed plate; 82, sliding rod; 83, screw rod; 84, supporting ring; 85, transmission box; 86, servo motor; 9, air inlet. DETAILED DESCRIPTION

[0023] In order to clearly illustrate the technical features of the present application, the present application will be described in detail below, with reference to the specific embodiments and the accompanying drawings. It should be noted that in the description of the present application, the terms "left", "right", "front", "back", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0024] As Figures 1-5 shown, the present application provides a transformer no-load reactive compensation control cabinet, which comprises a cabinet body 1 and electronic components installed in the cabinet body, the bottom of the cabinet body 1 is fixed with a supporting base 2, two rows of forklift holes 3 are formed on the base, an opening 31 is formed on the outer side of each forklift hole, a pull rod 32 is fixed in the opening, a lifting ring 33 is hinged on the pull rod, the inner diameter of the lifting ring is the same as that of the forklift hole 3, and the lifting ring 33 is hidden in the opening 31, so that the cabinet body is convenient to carry or hoist, and a steel beam or other auxiliary hoisting is not needed to be inserted in the forklift hole, in addition, the top of the cabinet body is also provided with an auxiliary beam 4 for auxiliary hoisting and protecting the cabinet body, a notch corresponding to the lifting cable is formed on the auxiliary beam, the hoisting is stable and reliable, and convenient to use.

[0025] The lower wall of the cabinet 1 is provided with a plurality of air inlets 9, the outer side of each air inlet is provided with a movable sealing door 8, and the inner side of each air inlet is provided with an air inlet assembly 6. The upper wall of the cabinet is provided with a heat dissipation assembly 5. During operation, the air inlet quality is ensured, and the heat dissipation efficiency is improved. When the machine is stopped, the bottom air inlet is closed to prevent dust and moisture.

[0026] As a preferred embodiment, as shown in Figure 3 、 4 , the bottom of the cabinet 1 is provided with two fixed plates 81, a screw rod 83 and two slide rods 82 are arranged between the fixed plates, the sealing door 8 is arranged on the screw rod and the slide rod, is threadedly connected with the screw rod 83, and is slidably connected with the slide rod 82. The sealing door 8 is tightly attached to the lower wall of the cabinet 1. The screw rod is rotated to drive the sealing door to slide left and right, so as to close or open the air inlet 9.

[0027] As a preferred embodiment, one side of the fixed plate 91 is further provided with a transmission box 85, the screw rod 83 penetrates through the fixed plate and is connected with the transmission box, a servo motor 86 is arranged in the control cabinet, the output shaft of the servo motor penetrates through the lower wall of the cabinet 1 and is connected with the transmission box 85, the output of the servo motor 86 drives the screw rod 83 to rotate, thereby driving the sealing door to close or open the air inlet.

[0028] As a preferred embodiment, the bottom of the sealing door 8 is fixed with a supporting ring 84, and each sealing door is provided with five supporting rings. The sealing door 8 is threadedly connected with the screw rod through the supporting ring 84 and is slidably connected with the slide rod through the supporting ring 84.

[0029] As a preferred embodiment, as shown in Figure 5 , the air inlet assembly 6 comprises an air inlet support plate 61, a dustproof net 63, a moisture-proof filter pad 64, a supporting frame 62, an air inlet fan 65 and a spoiler 66. The air inlet support plate 61 is fixed on the air inlet 9. The dustproof net 63 and the moisture-proof filter pad 64 are clamped in the air inlet support plate. The supporting frame 62 is fixed on the air inlet support plate 61 by screws and tightly presses the moisture-proof filter pad 64. The supporting frame 62 adopts a double-layer structure. The air inlet fan 65 is arranged in the supporting frame 2. The spoiler 66 is fixed on the upper part of the supporting frame 62 and is in a spiral shape. The air inlet fan rotates to inhale air. The dustproof net 63 and the moisture-proof filter pad prevent dust and moisture. The spoiler 66 is arranged above the air inlet fan to disturb the airflow entering the cabinet, so that the airflow is more fully contacted with heat, and the heat dissipation effect is better.

[0030] As a preferred embodiment, the heat dissipation assembly 5 comprises an air outlet 51, an axial flow fan, a heat dissipation box 52 and a dustproof net 53. The air outlet 51 is arranged on the top of the cabinet 1. The heat dissipation box 52 is fixed on the air outlet. The axial flow fan is arranged in the heat dissipation box 52. The dustproof net 53 is arranged on the heat dissipation box. The axial flow fan discharges the heat in the cabinet.

[0031] The utility model is not detailed, all are the known technology of the technical field personnel. Finally, it is explained that the above embodiment is used to explain the technical scheme of the utility model and is not limited. Although the utility model is explained in detail with reference to the preferred embodiment, the ordinary skilled in the art should understand that the technical scheme of the utility model can be modified or replaced, without departing from the purpose and scope of the utility model technical scheme, which should be covered in the claim range of the utility model.

Claims

1. A transformer no-load reactive power compensation control cabinet, comprising a cabinet and electronic components installed inside the cabinet, characterized in that: The cabinet has a fixed support base at its bottom, and two rows of forklift holes are provided on the base. Each forklift hole has a notch on its outer side, and a pull rod is fixed inside the notch. A lifting ring is hinged to the pull rod, and the inner diameter of the lifting ring is the same as that of the forklift hole. The lifting ring is hidden in the notch. Several air inlets are provided on the lower wall of the cabinet. Each air inlet has a movable sealing door on its outer side and an air intake assembly on its inner side. A heat dissipation assembly is provided on the upper wall of the cabinet.

2. The transformer no-load reactive power compensation control cabinet according to claim 1, characterized in that: The bottom of the cabinet is provided with two fixing plates, and a screw and two sliding rods are provided between the fixing plates. The sealing door is set on the screw and the sliding rods, and is threadedly connected to the screw and slidably connected to the sliding rods. The sealing door is tightly attached to the lower wall of the cabinet.

3. The transformer no-load reactive power compensation control cabinet according to claim 2, characterized in that: A transmission box is also fixed to one side of the fixed plate. The screw passes through the fixed plate and is connected to the transmission box. A servo motor is installed inside the control cabinet. The output shaft of the servo motor passes through the lower wall of the cabinet and is connected to the transmission box. The output of the servo motor drives the sealing door to close or open the air inlet.

4. The transformer no-load reactive power compensation control cabinet according to claim 2, characterized in that: A support ring is fixed at the bottom of the sealing door, and the sealing door is connected to the screw and slide rod through the support ring.

5. The transformer no-load reactive power compensation control cabinet according to claim 1, characterized in that: The air intake assembly includes an air intake support plate, a dustproof mesh, a moisture-proof filter pad, a support frame, an air intake fan, and a baffle plate. The air intake support plate is fixed on the air intake, the dustproof mesh and the moisture-proof filter pad are inserted into the air intake support plate, the support frame is fixed on the air intake support plate, the air intake fan is installed inside the support frame, and the baffle plate is fixed on the support frame.

6. The transformer no-load reactive power compensation control cabinet according to claim 5, characterized in that: The spoiler is spiral-shaped.

7. The transformer no-load reactive power compensation control cabinet according to claim 1, characterized in that: The heat dissipation assembly includes an air outlet, an axial fan, a heat sink, and a second dust filter. The air outlet is located on the top of the cabinet, the heat sink is fixed to the air outlet, the axial fan is installed inside the heat sink, and the second dust filter is installed on the heat sink.

Images