Dustproof low-voltage reactive power compensation device

Abstract

The utility model relates to a dustproof low-voltage reactive power compensation device, which belongs to the field of electric power cabinets and comprises a case, a case door is hinged to the case through a hinge shaft, a handle is fixed on the front side of the case door, a mounting plate is arranged in the case, a reactive power compensator body is fixed on the front side of the mounting plate, and a power supply is arranged on the reactive power compensator body. The case is provided with a protection mechanism used for preventing dust and moisture of the device, and the case is provided with a moving-out mechanism used for moving out the reactive power compensator. According to the dustproof low-voltage reactive power compensation device, fan blades can be driven to rotate through cooperation of a motor, so that external cold air can be sucked into a machine box so as to dissipate heat of equipment in the machine box, dust can be prevented from entering the machine box from a communicating pipe during air inflow through cooperation of a dustproof net, and the service life of the machine box is prolonged. And through cooperation of the drying agent, water vapor contained in air entering the communicating pipe can be adsorbed, and therefore the interior of the case is kept dry.

Description

Technical Field

[0001] The utility model relates to the technical field of power cabinets, in particular to a dustproof low-voltage no-power compensation device. Background Art

[0002] Reactive power compensator is a compensation device. Its role in the electronic power supply system is to improve the power factor of the power grid, reduce the loss of power supply transformers and transmission lines, improve power supply efficiency, and improve the power supply environment. Therefore, reactive power compensation devices are in an indispensable and very important position in the power supply system. Reasonable selection of compensation devices can minimize network losses and improve the quality of the power grid. On the contrary, improper selection or use may cause many factors such as power supply system, voltage fluctuations, and increased harmonics.

[0003] For example, a dustproof low-voltage reactive power compensation cabinet is disclosed in China Utility Model Patent Publication No. (CN214044397U), which includes a box body; a lighting lamp, which is fixedly mounted on the top inner wall of the box body; an arc-shaped dust removal plate, which is fixedly mounted in the box body; a first frame body, which is fixedly mounted on the box body, and one side of the first frame body extends into the box body; two connecting blocks, which are respectively fixedly mounted on the top and bottom inner walls of the first frame body; a first motor, which is fixedly mounted on the two connecting blocks; a second frame body, which is fixedly mounted on the box body, and the second frame body is connected to the inside of the box body; a fixed block, which is fixedly mounted on the top inner wall of the second frame body; an internally threaded pipe, which is rotatably mounted on the fixed block; a threaded rod, which is a threaded rod screw The threaded rod is installed on the internal threaded tube; the first bevel gear, the first bevel gear is fixedly sleeved on the internal threaded tube; the second motor, the second motor is fixedly installed on the outer wall of one side of the fixed block; the second bevel gear, the second bevel gear is fixedly installed on the output shaft of the second motor, and the second bevel gear is meshed with the first bevel gear; the dustproof plate, the dustproof plate is fixedly installed on one end of the threaded rod; the sealing ring, the sealing ring is fixedly sleeved on the dustproof plate, and the sealing ring is adapted to the inner wall of the second frame. The utility model solves the problem that it is relatively simple to use a dustproof screen, but it is difficult to complete the dust discharge and dustproof of the box at the same time, and the dustproof screen is easily blocked from the inside after long-term use, resulting in the problem that dust cannot be discharged. However, the patent only has a dustproof effect but cannot be moisture-proof, which causes water vapor to easily enter the interior of the device, causing damage to the compensation device circuit, affecting practicality. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a dustproof low-voltage no-power compensation device, which has the advantage of making the compensation device dustproof and moisture-proof at the same time, solving the problem that the patent only has a dustproof effect but cannot be moisture-proof, which causes water vapor to easily enter the interior of the device, causing damage to the compensation equipment circuit and affecting practicality.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a dustproof low-voltage powerless compensation device, comprising a chassis, the chassis is hinged with a box door through a hinge shaft, a handle is fixed on the front of the box door, a mounting plate is provided inside the chassis, a powerless compensator body is fixed on the front of the mounting plate, a protective mechanism for preventing dust and moisture from the device is provided on the chassis, and a removal mechanism for removing the powerless compensator is provided on the chassis;

[0006] The protective mechanism includes a mounting hole opened on the left side of the chassis, a connecting pipe is fixed on the left side of the chassis, a fixing plate is fixed on the inner wall of the mounting hole, a motor is fixed on the right side of the fixing plate, the output shaft of the motor passes through and extends to the interior of the connecting pipe and is fixed with fan blades, a dust net is fixed on the inner side of the connecting pipe, and a moisture-proof component is arranged on the connecting pipe.

[0007] Furthermore, an opening is provided on the front side of the door, and a transparent plate is fixed on the inner side of the opening.

[0008] Furthermore, the number of the mounting holes is two and they are symmetrically distributed about the central axis of the chassis. The number of the connecting pipes is equal to the number of the mounting holes and their positions correspond one to one.

[0009] Furthermore, the moisture-proof component includes a connection box, which is fixed to the outside of the connecting pipe and is connected to the connecting pipe inside. A connection hole is opened on the left side of the connection box, an isolation net is fixed to the inside of the connection hole, and the interior of the connection box is filled with desiccant.

[0010] Furthermore, the number of the connecting holes is two, and they are symmetrically distributed about the central axis of the connecting box, and the inner diameter of the connecting hole is the same as the inner diameter of the connecting pipe.

[0011] Furthermore, the removal mechanism includes a mounting groove opened on the inner bottom wall of the chassis, a sliding rod is fixed between the front and rear inner walls of the mounting groove, a sliding plate is slidably connected to the outer side of the sliding rod, the upper surface of the sliding plate is fixed to the lower surface of the mounting plate, a handle is fixed to the front of the mounting plate, a spring is fixed to the lower surface of the chassis, a connecting block is fixed to the other end of the spring, a connecting rod is fixed to the upper surface of the connecting block, the other end of the connecting rod passes through and extends to the interior of the mounting groove, and is fixed with a clamping block, and a clamping groove is opened on the lower surface of the slide plate.

[0012] Furthermore, the number of the springs is two, and they are symmetrically distributed front to back about the central axis of the chassis.

[0013] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0014] 1. The dust-proof low-voltage powerless compensation device can drive the fan blades to rotate through the cooperation of the motor, so that the external cold air can be drawn into the chassis to dissipate the heat of the internal equipment of the chassis. Through the cooperation of the dust-proof net, dust can be prevented from entering the chassis from the connecting pipe during air intake, thereby avoiding dust from damaging the equipment in the chassis. Through the cooperation of the desiccant, the water vapor contained in the air entering the connecting pipe can be adsorbed to keep the chassis dry.

[0015] 2. The dustproof low-voltage powerless compensation device can make the slide plate slide on the slide bar through the cooperation of the slide bar, so that the mounting plate can be pulled to move by the handle, so that the powerless compensator can be moved from the inside of the chassis to the chassis port for maintenance. The slide plate can be fixed by the cooperation of the spring and the card block to prevent the mounting plate from moving during the maintenance process. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the protection mechanism of the utility model;

[0018] Figure 3 This is a schematic diagram of the removal mechanism of the utility model;

[0019] Figure 4 It is a side view of the removal mechanism of the utility model.

[0020] In the figure: 1 chassis, 2 box door, 3 handle, 4 mounting plate, 5 powerless compensator body, 6 protection mechanism, 601 mounting hole, 602 connecting pipe, 603 fixing plate, 604 motor, 605 fan blade, 606 dust net, 607 connecting box, 608 connecting hole, 609 isolation net, 610 desiccant, 7 removal mechanism, 701 mounting slot, 702 sliding rod, 703 sliding plate, 704 handle, 705 spring, 706 connecting block, 707 connecting rod, 708 card block, 709 card slot, 8 transparent plate. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figure 1 A dustproof low-voltage powerless compensation device in this embodiment includes a chassis 1, a chassis door 2 is hingedly connected to the chassis 1 through a hinge axis, a handle 3 is fixed on the front of the chassis door 2, and the handle 3 can be used to facilitate the opening of the chassis door 2. A mounting plate 4 is provided inside the chassis 1, and a powerless compensator body 5 is fixed on the front of the mounting plate 4. A protective mechanism 6 for preventing dust and moisture from the device is provided on the chassis 1, so that the inside of the chassis 1 maintains a clean and dry environment, and at the same time can dissipate heat for the equipment to enable the equipment to work normally. A removal mechanism 7 for removing the powerless compensator is provided on the chassis 1, which is convenient for maintenance of the powerless compensator.

[0023] An opening is provided on the front of the cabinet door 2 , and a transparent plate 8 is fixed on the inner side of the opening, through which the internal situation of the cabinet 1 can be observed without opening the cabinet door 2 .

[0024] See also Figure 2 In order to keep the inside of the chassis 1 clean and dry and to dissipate heat for the equipment so that the equipment can work normally, the protective mechanism 6 in this embodiment includes a mounting hole 601 opened on the left side of the chassis 1, a connecting pipe 602 is fixed on the left side of the chassis 1, a fixing plate 603 is fixed on the inner wall of the mounting hole 601, a motor 604 is fixed on the right side of the fixing plate 603, the output shaft of the motor 604 passes through and extends into the inside of the connecting pipe 602, and a fan blade 605 is fixed, the output shaft of the motor 604 drives the fan blade 605 to rotate, and can dissipate heat inside the chassis 1, a dustproof net 606 is fixed on the inner side of the connecting pipe 602, when air enters the connecting pipe 602, the dustproof net 606 isolates dust in the air, thereby preventing dust from entering the inside of the chassis 1 and damaging the internal equipment and environment of the chassis 1, and a moisture-proof component is provided on the connecting pipe 602.

[0025] In this example, there are two mounting holes 601, which are symmetrically distributed about the central axis of the chassis 1. The number of connecting pipes 602 is equal to the number of mounting holes 601, and the positions correspond one to one. The left side can be used for the entry of cold air, and the right side can be used for the exhaust of hot air, thereby increasing the air flow speed inside the chassis 1.

[0026] It should be noted that the moisture-proof component includes a connection box 607, which is fixed to the outer side of the connecting pipe 602 and is internally connected to the connecting pipe 602. A connection hole 608 is opened on the left side of the connection box 607, and an isolation net 609 is fixed to the inner side of the connection hole 608. The interior of the connection box 607 is filled with a desiccant 610. After filtering out dust in the air, the air passes through the isolation net 609 and enters the connection box 607. The desiccant 610 inside the connection box 607 adsorbs water vapor in the air, thereby keeping the air entering the chassis 1 dry. There are two connection holes 608, which are symmetrically distributed about the central axis of the connection box 607. The inner diameter of the connection hole 608 is the same as the inner diameter of the connecting pipe 602. The isolation nets 609 on both sides allow air to pass through while isolating the desiccant 610 to prevent the desiccant 610 from falling out of the connection box 607.

[0027] See also Figure 3-4 In order to facilitate the maintenance of the powerless compensator, the removal mechanism 7 in this embodiment includes a mounting groove 701 provided on the inner bottom wall of the chassis 1, a slide bar 702 is fixed between the inner walls on both sides of the front and rear of the mounting groove 701, and a slide plate 703 is slidably connected to the outer side of the slide bar 702. There are two slide bars 702, which are symmetrically distributed front and back about the central axis of the slide plate 703. The upper surface of the slide plate 703 is fixed to the lower surface of the mounting plate 4, and a handle 704 is fixed on the front of the mounting plate 4. The mounting plate 4 is pulled out of the chassis 1 by the handle 704, and the mounting plate 4 drives the slide plate 703 to move. The slide plate 703 slides on the slide bar 702, so that the mounting plate 4 can move. A spring 705 is fixed to the lower surface of the chassis 1, and a connecting block 706 is fixed to the other end of the spring 705. A connecting rod 707 is fixed on the upper surface, and the other end of the connecting rod 707 passes through and extends to the inside of the mounting groove 701 and is fixed with a clamping block 708. A clamping slot 709 is provided on the lower surface of the slide plate 703. When the mounting plate 4 is moved, the slide plate 703 squeezes the clamping block 708 to move the clamping block 708 downward until the position of the clamping slot 709 moves to the clamping block 708. The spring 705 bounces the clamping block 708 into the inside of the clamping slot 709 to fix the position of the slide plate 703 to avoid the position displacement of the mounting plate 4 during maintenance. When the mounting plate 4 needs to be moved back, the connecting block 706 is pulled down, and the connecting block 706 drives the connecting rod 707 to move, and the connecting rod 707 drives the clamping block 708 to move, so that the clamping block 708 is moved out of the clamping slot 709, so that the slide plate 703 loses its fixing effect and moves.

[0028] In this example, there are two springs 705 , which are symmetrically distributed front to back about the central axis of the chassis 1 , so that the mounting plate 4 can be fixed when being moved out or back, thus preventing the mounting plate 4 from being randomly offset.

[0029] The working principle of the above embodiment is:

[0030] (1) When the powerless compensator body 5 is working, it will do useless work to the surrounding environment, causing the internal ambient temperature and circuit of the chassis 1 to rise. It is necessary to maintain heat dissipation. The motor 604 is turned on, and the output shaft of the motor 604 drives the fan blades 605 to rotate. The left fan blades 605 draw the cold air from the outside into the chassis 1, and the right fan blades 605 discharge the hot air from the chassis 1, thereby increasing the air flow speed inside the chassis 1. When the air enters the connecting pipe 602, the dust net 606 isolates the dust in the air, thereby preventing dust from entering the chassis 1 and causing damage to the internal equipment and environment of the chassis 1.

[0031] (2) After the dustproof net 606 filters out the dust in the air, the air passes through the isolation net 609 and enters the connection box 607. The desiccant 610 inside the connection box 607 adsorbs the water vapor in the air, so that the air entering the inside of the chassis 1 remains dry. When it is necessary to maintain the powerless compensator body 5, the box door 2 is opened, and the connection block 706 is pulled downward. The connection block 706 drives the connecting rod 707 to move, and the connecting rod 707 drives the card block 708 to move, so that the card block 708 is removed from the card slot 709. The mounting plate 4 is pulled out of the chassis 1 by means of the handle 704, and the mounting plate 4 drives the slide plate 703 to move, and the slide plate 703 slides on the slide bar 702, so that the mounting plate 4 can move. When the mounting plate 4 moves to the opening of the chassis 1, the slide plate 703 squeezes the block 708 to move the block 708 downward until the position of the slot 709 moves to the block 708, and the spring 705 bounces the block 708 into the slot 709 to fix the position of the slide plate 703 to prevent the mounting plate 4 from shifting during maintenance.

[0032] 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.

[0033] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that many changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention.

Claims

1. A dustproof low-voltage powerless compensation device, comprising a chassis (1), characterized in that: The case (1) is hinged with a case door (2) via a hinge shaft, a handle (3) is fixed on the front of the case door (2), a mounting plate (4) is provided inside the case (1), a powerless compensator body (5) is fixed on the front of the mounting plate (4), a protection mechanism (6) for preventing dust and moisture from the device is provided on the case (1), and a removal mechanism (7) for removing the powerless compensator is provided on the case (1); The protective mechanism (6) comprises a mounting hole (601) opened on the left side of the chassis (1); a connecting pipe (602) is fixed on the left side of the chassis (1); a fixing plate (603) is fixed to the inner wall of the mounting hole (601); a motor (604) is fixed to the right side of the fixing plate (603); an output shaft of the motor (604) passes through and extends to the inside of the connecting pipe (602) and is fixed with a fan blade (605); a dustproof net (606) is fixed on the inner side of the connecting pipe (602); and a moisture-proof component is provided on the connecting pipe (602).

2. A dust-proof low-voltage powerless compensation device according to claim 1, characterized in that: The front side of the box door (2) is provided with an opening, and a transparent plate (8) is fixed inside the opening.

3. A dust-proof low-voltage powerless compensation device according to claim 1, characterized in that: The number of the mounting holes (601) is two and they are symmetrically distributed about the central axis of the chassis (1); the number of the connecting pipes (602) is equal to the number of the mounting holes (601), and the positions correspond one to one.

4. A dust-proof low-voltage powerless compensation device according to claim 1, characterized in that: The moisture-proof component includes a connection box (607), the connection box (607) is fixed to the outside of the connecting pipe (602), and the inside is connected to the connecting pipe (602), a connection hole (608) is opened on the left side of the connection box (607), an isolation net (609) is fixed on the inside of the connection hole (608), and the inside of the connection box (607) is filled with a desiccant (610).

5. A dust-proof low-voltage powerless compensation device according to claim 4, characterized in that: The number of the connecting holes (608) is two, and they are symmetrically distributed about the central axis of the connecting box (607). The inner diameter of the connecting hole (608) is the same as the inner diameter of the connecting pipe (602).

6. The dust-proof low-voltage powerless compensation device according to claim 1, characterized in that: The removal mechanism (7) comprises a mounting groove (701) provided on the inner bottom wall of the chassis (1); a slide bar (702) is fixed between the inner walls on both sides of the mounting groove (701); a slide plate (703) is slidably connected to the outer side of the slide bar (702); the upper surface of the slide plate (703) is fixed to the lower surface of the mounting plate (4); a handle (704) is fixed to the front of the mounting plate (4); a spring (705) is fixed to the lower surface of the chassis (1); a connecting block (706) is fixed to the other end of the spring (705); a connecting rod (707) is fixed to the upper surface of the connecting block (706); the other end of the connecting rod (707) passes through and extends to the inside of the mounting groove (701) and is fixed with a clamping block (708); and a clamping groove (709) is provided on the lower surface of the slide plate (703).

7. A dust-proof low-voltage powerless compensation device according to claim 6, characterized in that: The number of the springs (705) is two, and they are symmetrically distributed front to back about the central axis of the chassis (1).

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