Control device of static var generator

Abstract

The utility model discloses a static var generator control device, which comprises a substrate, a control box body arranged at the central position of the surface of the substrate, a control module arranged inside the control box body, a box door arranged on the surface of the control box body through hinges, a display screen arranged at the upper end of the surface of the box door, and an on-off button arranged on the surface of the box door below the display screen. A control knob is arranged on the surface of the box door on one side of the on-off button, a dehumidifier body is arranged at the top of the control box body, a baffle is arranged at the bottom end of the dehumidifier body, an air inlet is formed in one side in the baffle, an air outlet is formed in the other side in the baffle, and a fan is installed in the dehumidifier body at the position of the air inlet. According to the utility model, the phenomenon that components on the inner side of the control box body are corroded by moisture is effectively reduced, so that the service life of the control device is guaranteed, the occupied area of the control device during use is reduced, the space utilization rate is improved, and the convenience of the control device during maintenance is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of power electronics, concretely is a kind of static var generator control device. BACKGROUND

[0002] Static var generator is a new type of reactive compensation device based on power electronics technology, is widely used in power system, to improve the power quality and stability of power grid, SVG is compensated dynamically by self-commutated power semiconductor bridge converter, can quickly respond and dynamically compensate the reactive power required by load, in order to control operation for static var generator, thus need to use corresponding control device.

[0003] Referring to the announcement No.CN209104808U, a kind of static var generator control device, it includes installation box, further include: cabinet door and control component;The static var generator control device of the utility model, by being provided with the cabinet door with the protection effect in the front end of installation box, and the control component protected in the installation box interior is protected using cabinet door, by twice voltage vector selection of control component in each sampling period, the selection range of second voltage vector in duty cycle model prediction current control is expanded from zero voltage vector to multiple voltage vectors, so that the value function can be optimized in greater range and obtain optimal voltage vector, and only need to carry out less voltage vector selection, can effectively reduce the system's cross-axis current fluctuation, according to the above, the device can be better applied, but it is usually inconvenient to carry out dehumidification operation inside control box, when the device is used in more humid area, the inside component of control box is easily damaged due to high humidity, often perplexing user. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of static var generator control device, to solve the problem that device can be better applied in the above background art, but it is usually inconvenient to carry out dehumidification operation inside control box, when the device is used in more humid area, the inside component of control box is easily damaged due to high humidity.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: a static var generator control device, including the base plate, the central position of base plate surface is equipped with control box, the inside of control box is equipped with control module, the surface of control box is equipped with the door through the hinge, the upper end of door surface is equipped with display screen, the surface of door below display screen is equipped with the on -off button, the surface of door of on -off button side is equipped with control knob, the top of control box is equipped with dehumidifier body, the bottom of dehumidifier body is equipped with baffle, one side of baffle inside is equipped with air intake, the other side of baffle inside is equipped with air outlet, the inside of dehumidifier body of air intake position is installed fan, the inside of dehumidifier body of fan side is installed moisture absorption filter element.

[0006] Preferably, the inner wall of the base plate is provided with a base frame, and the outer walls on both sides of the base frame are provided with side connecting frames.

[0007] Preferably, the end of the side connecting frame away from the base frame is provided with a positioning frame, and the inside of the positioning frame is provided with a waist-shaped hole.

[0008] Preferably, the edge position of the inner wall of the control box is provided with two threaded holes, and the outer wall of the control box on one side of the threaded hole is provided with a buckling piece.

[0009] Preferably, the edge position of the outer wall of the door is provided with two buckling seats, and the buckling seat and the buckling piece are matched.

[0010] Preferably, the inside of the buckling seat is provided with a pin hole, and the two ends of the pin hole extend to the outside of the buckling seat.

[0011] Compared with the prior art, the static var generator control device not only effectively reduces the phenomenon that the components inside the control box are eroded by moisture, thereby ensuring the service life of the control device, but also reduces the floor area occupied when the control device is used, improves the space utilization rate, and improves the convenience when the control device is maintained.

[0012] (1) through the start fan, make it will control the inside air of box is introduced to the inside of dehumidifier body through air inlet, then the moisture filter core absorbs the moisture in this part of air, to carry out dehumidification treatment to air, the dehumidified air flows into the inside of control box through air outlet, that can effectively reduce the phenomenon that the inside components of control box are eroded by moisture, thereby guaranteeing the service life of control device;

[0013] (2) through the base frame and the side connecting frame, the positioning frame is arranged behind the base plate, and the waist type hole is arranged in the inside of the positioning frame, only need to pass through the waist type hole and screw into the wall by the bolt, the control device can be hung on the wall, thereby reducing the floor area of the control device in use, and improving the space utilization;

[0014] (3) through the box door is rotated and covers the surface of the control box, the pin hole is aligned with the threaded hole position, only need to pass through the pin hole and screw into the threaded hole by the bolt, the box door can be locked and arranged on the surface of the control box, then the buckle piece is rotated and buckled on the buckle seat, the box door can be further positioned and arranged on the surface of the control box, so that the box door is easily opened and closed on the surface of the control box, the control device is convenient to disassemble, thereby improving the convenience of the control device in maintenance. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a front view structure schematic diagram of the utility model;

[0016] Figure 2 It is a bottom view structure schematic diagram of the utility model;

[0017] Figure 3 It is a control box of the utility model; Figure 2 It is an enlarged structure schematic diagram of A in the utility model;

[0018] Figure 4 It is a base frame structure schematic diagram of the utility model.

[0019] In the drawing: 1, base plate; 2, side connecting frame; 3, positioning frame; 301, waist type hole; 4, control box; 5, box door; 6, display screen; 7, on-off button; 8, control knob; 9, control module; 10, threaded hole; 11, buckle seat; 12, pin hole; 13, buckle piece; 14, dehumidifier body; 15, baffle; 16, fan; 17, air inlet; 18, moisture filter core; 19, air outlet; 20, base frame. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor fall within the scope of protection of the utility model.

[0021] Please refer to Figures 1-4 The utility model provides an embodiment: a static var generator control device, including base plate 1, the inner wall of base plate 1 is equipped with base frame 20, the outer wall of both sides of base frame 20 is equipped with side connecting frame 2;

[0022] When using, the positioning frame 3 is disposed by the setting of the side connecting frame 2;

[0023] The end away from the base frame 20 of the side connecting frame 2 is equipped with the positioning frame 3, and the inside of the positioning frame 3 is equipped with the waist type hole 301;

[0024] When using, the control device is disposed by the setting of the waist type hole 301;

[0025] The center position of the surface of base plate 1 is equipped with control box 4, and the edge position of the inner wall of control box 4 is equipped with two threaded holes 10, and the outer wall of control box 4 on one side of threaded hole 10 is equipped with buckling piece 13;

[0026] When using, the box door 5 is disposed by the setting of the buckling piece 13;

[0027] The edge position of the outer wall of box door 5 is equipped with two buckling seats 11, and the buckling seat 11 is matched with the buckling piece 13;

[0028] When using, the box door 5 is disposed by the setting of the buckling seat 11;

[0029] The inside of the buckling seat 11 is equipped with pin hole 12, and the both ends of pin hole 12 extend to the outside of buckling seat 11;

[0030] When using, the box door 5 is disposed by the setting of the pin hole 12;

[0031] The inside of the control box 4 is provided with a control module 9, the surface of the control box 4 is provided with a box door 5 through a hinge, the upper end of the surface of the box door 5 is provided with a display screen 6, the surface of the box door 5 below the display screen 6 is provided with an on-off button 7, the surface of the box door 5 on the side of the on-off button 7 is provided with a control knob 8, the top of the control box 4 is provided with a dehumidifier body 14, the bottom end of the dehumidifier body 14 is provided with a baffle 15, one side of the inside of the baffle 15 is provided with an air inlet 17, the other side of the inside of the baffle 15 is provided with an air outlet 19, the inside of the dehumidifier body 14 at the position of the air inlet 17 is provided with a fan 16, the inside of the dehumidifier body 14 on the side of the fan 16 is provided with a moisture absorption filter element 18.

[0032] In use, the positioning frame 3 is first arranged behind the base plate 1 through the base frame 20 and the side connecting frame 2, and the waist-shaped hole 301 is arranged in the inside of the positioning frame 3, so that the control device can be wall-mounted by penetrating the waist-shaped hole 301 with a bolt and rotating it into the wall, then the box door 5 is rotated and closed on the surface of the control box 4, so that the pin hole 12 is aligned at the position of the threaded hole 10, and the box door 5 can be locked and arranged on the surface of the control box 4 by penetrating the pin hole 12 with a bolt and rotating it into the threaded hole 10, then the buckle member 13 is rotated and buckled on the buckle seat 11, so that the box door 5 can be further positioned and arranged on the surface of the control box 4, the box door 5 can be easily opened and closed on the surface of the control box 4, so as to clean and maintain the inside of the control box 4, finally, the fan 16 is started to introduce the air in the control box 4 into the inside of the dehumidifier body 14 through the air inlet 17, then the moisture absorption filter element 18 absorbs the moisture in the air to dehumidify the air, and the dehumidified air flows into the inside of the control box 4 through the air outlet 19 to dehumidify the inside of the control box 4, the outer wall of the control box 4 can be provided with a heat dissipation mesh to meet the heat dissipation requirement of the control box 4 and achieve the dustproof purpose, and the bottom of the control box 4 is also provided with a wire limiting member to facilitate the wire to pass into the control box 4, the control module 9 is composed of a circuit board, a processor, a signal transceiver and other components to facilitate the control of the static var generator, thereby completing the use of the control device.

Claims

1. A static var generator control device characterized by comprising: The utility model provides a control cabinet, including base plate (1), the surface of the base plate (1) is equipped with control cabinet (4) at the central position, the inside of control cabinet (4) is equipped with control module (9), the surface of control cabinet (4) is equipped with cabinet door (5) through the hinge, the upper end of the surface of cabinet door (5) is equipped with display screen (6), the surface of cabinet door (5) below display screen (6) is equipped with on-off button (7), the surface of cabinet door (5) on-off button (7) side is equipped with control knob (8), the top of control cabinet (4) is equipped with dehumidifier body (14), the bottom of dehumidifier body (14) is equipped with baffle (15), the inside of baffle (15) one side is equipped with air intake (17), the inside of baffle (15) other side is equipped with air outlet (19), the inside of dehumidifier body (14) air intake (17) position installs fan (16), the inside of dehumidifier body (14) fan (16) side installs hygroscopic filter element (18).

2. A control device for a static var generator according to claim 1, characterized in that: The inner wall of the base plate (1) is provided with a base frame (20), and the outer walls on both sides of the base frame (20) are provided with side connecting frames (2).

3. A SRF generator control device according to claim 2, characterized in that: The end of the side connecting frame (2) away from the base frame (20) is provided with a positioning frame (3), and the inside of the positioning frame (3) is provided with a waist-shaped hole (301).

4. The SRF generator control device of claim 1, wherein: The edge of the inner wall of the control cabinet (4) is provided with two threaded holes (10), and the outer wall of the control cabinet (4) on one side of the threaded hole (10) is provided with a buckling piece (13).

5. A SRF generator control device according to claim 4, characterized in that: The edge of the outer wall of the cabinet door (5) is provided with two buckling seats (11), and the buckling seat (11) cooperates with the buckling piece (13).

6. A SRF generator control device according to claim 5, characterized in that: The inside of the buckling seat (11) is provided with a pin hole (12), and the two ends of the pin hole (12) extend to the outside of the buckling seat (11).

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