A fault detection device suitable for a solid state transformer

Abstract

The utility model relates to power equipment fault detection technical field especially suitable for solid -state transformer's fault detection device, including organism, fixed mounting has drive motor through connecting part in the organism, the output shaft of drive motor is fixed and is connected with the exhaust fan blade, the mobile pole surface fixed mounting has a plurality of elastic bars, the one end of mobile pole is established with the rectangular mouth, the vertical rotation installation has the pivot in the rectangular mouth, the fixed and connected with the rotating plate on the pivot, the surface of the mobile pole is set up in the organism and is equipped with the reciprocating screw thread, and the threaded sleeve has the sliding block on the mobile pole, the side wall fixed mounting of sliding block has the second spring rod. When drive motor is with exhaust fan blade in the rotation, a plurality of elastic bars will intermittently collide with the filter screen, can make the dust and so on impurities that adhere on the filter screen fall under the action of the impact force, avoid the filter screen because of the block and reduce the ventilation efficiency, thereby maintain the whole device good heat dissipation performance.

Description

TECHNICAL FIELD

[0001] The utility model relates to power equipment fault detection technical field especially, relates to a kind of fault detection device suitable for solid-state transformer. BACKGROUND

[0002] Solid-state transformer is a new type of power conversion equipment, since solid-state transformer inside adopts a large number of power electronic devices and complex control circuit, it is more vulnerable to be influenced by various factors and appear fault in its operation process, and when fault occurs, it needs to use fault intelligent detection device to detect the fault problem of solid-state transformer.

[0003] The existing fault detection device generates more heat after long time use, in order to make these hot air quickly discharge, heat dissipation opening is set on the surface of the device, and exhaust fan blade is arranged in the device, in order to avoid that impurities from the outside enter from the heat dissipation opening, filter screen is arranged in the heat dissipation opening, after long time use of filter screen, more dust and impurities are accumulated on the surface of filter screen, which will affect the ventilation of filter screen. UTILITY MODEL CONTENTS

[0004] The utility model discloses a kind of fault detection devices suitable for solid-state transformer, to solve the following shortcomings in prior art, the existing fault detection device, in order to avoid that impurities from the outside enter from the heat dissipation opening, filter screen is arranged in the heat dissipation opening, after long time use of filter screen, more dust and impurities are accumulated on the surface of filter screen, which will affect the ventilation of filter screen, and the ventilation of filter screen is improved.

[0005] In order to achieve the above object, the utility model adopts the following technical scheme:

[0006] The utility model provides a kind of fault detection device suitable for solid state transformer, including body, driving motor is fixedly installed in the body by connecting component, the output shaft of driving motor is fixedly sleeved with exhaust fan blade, the back of the body is equipped with heat dissipation opening, the filter screen is rotatably installed in the heat dissipation opening, the position of exhaust fan blade and heat dissipation opening corresponds, the back of the body is fixedly installed with moving rod by first spring rod, the surface of moving rod close to filter screen is fixedly installed with multiple elastic rods, one end of moving rod is equipped with rectangular mouth, the vertical rotary shaft is rotatably installed in the rectangular mouth, the rotary plate is fixedly sleeved on the rotary shaft, the top of rectangular mouth is equipped with round mouth, the top of rotary shaft passes through round mouth, and is fixedly installed with mounting block, the mounting block is connected with moving rod by elastic component, the back of the body is equipped with mounting opening, the rotary rod is rotatably installed in the mounting opening, the surface of rotary rod located outside the body is equipped with reciprocating thread, and the sliding block is threadedly sleeved on the rotary rod, the sliding block is limited to rotate by limiting component, the rotary rod is controlled to rotate by transmission component, the sidewall of sliding block is fixedly installed with second spring rod, the position of second spring rod and rotary plate corresponds, the second spring rod is controlled to contract by abutting component, the lower surface of rectangular mouth is equipped with arc-shaped mouth with rotary shaft as center, the lower surface of rotary plate is fixedly installed with sliding rod, and the sliding rod is slidably configured in arc-shaped mouth.

[0007] Preferably, the connecting component includes a mounting ring fixedly sleeved on the driving motor and two symmetrical supporting rods fixedly installed on the outer wall of the mounting ring, one end of each of the two supporting rods is fixedly connected with the inner wall of the body.

[0008] Preferably, the elastic component includes a torsion spring sleeved on the rotary shaft, and the two ends of the torsion spring are fixedly connected with the mounting block and the moving rod, respectively.

[0009] Preferably, the transmission component includes two sprockets fixedly sleeved on the output shaft of the driving motor and the rotary rod, respectively, and a chain engaged and wound on the two sprockets.

[0010] Preferably, the limiting component includes a limiting rod fixedly installed on the back of the body, and the sliding block is slidably sleeved on the limiting rod.

[0011] Preferably, the abutting component includes an L-shaped abutting rod fixedly installed on the back of the body, the second spring rod is fixedly sleeved with a placing block, the surface of the placing block is fixedly installed with an inclined plate, and the inclined plate corresponds to the position of the abutting rod.

[0012] Preferably, the back of the body is fixedly installed with a collecting box, and the collecting box is located below the filter screen.

[0013] Preferably, the output shaft of the driving motor is fixedly installed with a mounting rod, and the mounting rod is fixedly connected with the filter screen through two connecting rods.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] When the driving motor drives the exhaust fan blade to rotate, the plurality of elastic rods will intermittently collide with the filter screen, so that the dust and impurities attached to the filter screen can be detached under the impact force, thereby avoiding the reduction of the ventilation efficiency due to the blockage of the filter screen, and maintaining the good heat dissipation performance of the whole device. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A front perspective structural schematic view of a fault detection device suitable for a solid-state transformer is provided for the utility model;

[0017] Figure 2 A side perspective structural schematic view of a fault detection device suitable for a solid-state transformer is provided for the utility model;

[0018] Figure 3 A back structural schematic view of a fault detection device suitable for a solid-state transformer is provided for the utility model;

[0019] Figure 4 A front partial perspective structural schematic view of a fault detection device suitable for a solid-state transformer is provided for the utility model;

[0020] Figure 5 A partial perspective structural schematic view of a driving motor and a rotating rod in a fault detection device suitable for a solid-state transformer is provided for the utility model;

[0021] Figure 6 A partial perspective structural schematic view of a moving rod in a fault detection device suitable for a solid-state transformer is provided for the utility model;

[0022] Figure 7 A Figure 2 A structure enlarged view of position A in the utility model;

[0023] Figure 8 A Figure 3 A structure enlarged view of position B in the utility model.

[0024] In the figure: 1 machine body, 2 driving motor, 3 exhaust fan blade, 4 filter screen, 5 first spring rod, 6 moving rod, 7 elastic rod, 8 rotating shaft, 9 rotating plate, 10 rotating rod, 11 sliding block, 12 second spring rod, 13 arc-shaped port, 14 sliding rod, 15 supporting rod, 16 torsional spring, 17 chain wheel, 18 chain, 19 limiting rod, 20 abutting rod, 21 inclined plate, 22 collecting box, 23 mounting rod, 24 connecting rod. DETAILED DESCRIPTION

[0025] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments.

[0026] The terms such as "upper", "lower", "left", "right", "middle" and "one" in the present application are merely for clear description, rather than for limiting the scope of the present application, and the change or adjustment of the relative relationship without substantial change of the technical content is also regarded as the scope of the present application.

[0027] Referring to Figures 1-8 A kind of fault detection device suitable for solid-state transformer, including body 1, drive motor 2 is fixedly installed in body 1 by connecting component, connecting component includes the installation ring of fixed sleeve on drive motor 2 and two symmetrical fixedly installed in the outer ring wall of installation ring support rod 15, the inner wall of body 1 is fixedly connected with one end of two support rods 15, the output shaft of drive motor 2 is fixedly sleeved with exhaust fan blade 3, the back of body 1 is provided with heat dissipation opening, filter screen 4 is rotatably installed in heat dissipation opening, exhaust fan blade 3 corresponds with the position of heat dissipation opening, the back of body 1 is fixedly installed with moving rod 6 by first spring rod 5, the surface of moving rod 6 close to filter screen 4 is fixedly installed with multiple elastic rods 7, one end of moving rod 6 is provided with rectangular opening, vertical rotary installation is carried out in rectangular opening, rotating shaft 8 is fixedly sleeved with rotating plate 9 in rotating shaft 8, the top of rectangular opening is provided with round opening, the top end of rotating shaft 8 passes through round opening and is fixedly installed with mounting block, mounting block is connected with moving rod 6 by elastic component, elastic component includes torsion spring 16 of sleeve in rotating shaft 8, the two ends of torsion spring 16 are fixedly connected with mounting block and moving rod 6 respectively, the back of body 1 is provided with mounting opening, rotating rod 10 is rotatably installed in mounting opening, the surface of rotating rod 10 located outside body 1 is provided with reciprocating thread, and sliding block 11 is threadedly sleeved on rotating rod 10, sliding block 11 is limited to rotate by limiting component, limiting component includes limiting rod 19 fixedly installed on the back of body 1, sliding block 11 is slidably sleeved on limiting rod 19, rotating rod 10 is controlled to rotate by transmission component, transmission component includes two chain wheels 17 and chain 18 fixedly sleeved on the output shaft of drive motor 2 and rotating rod 10 respectively, chain 18 is engaged and wound on two chain wheels 17, the side wall of sliding block 11 is fixedly installed with second spring rod 12, second spring rod 12 corresponds with the position of rotating plate 9, second spring rod 12 is controlled to contract by pressing component, pressing component includes L-shaped abutting rod 20 fixedly installed on the back of body 1, second spring rod 12 is fixedly sleeved with setting block, setting block is fixedly installed with inclined plate 21 on the surface, inclined plate 21 corresponds with the position of abutting rod 20, the lower surface of rectangular opening is provided with arc-shaped opening 13 with rotating shaft 8 as center, the lower surface of rotating plate 9 is fixedly installed with sliding rod 14, sliding rod 14 is slidably arranged in arc-shaped opening 13.

[0028] The ends of the plurality of elastic rods 7 will abut against the surface of the filter screen 4 in the initial state under the elastic potential energy of the first spring rod 5, and the rotating plate 9 will be in a horizontal state in the rectangular port under the elastic potential energy of the torsion spring 16.

[0029] The driving motor 2 is started, and the output shaft of the driving motor 2 will rotate with the exhaust fan blade 3, thereby discharging the hot air in the machine body 1 from the heat dissipation port. Under the transmission of the two sprockets 17 and the chain 18, the rotating rod 10 will rotate together, and the sliding block 11 with the second spring rod 12 threaded on the rotating rod 10 will move transversely and reciprocally under the restriction of the restriction rod 19. When the second spring rod 12 moves away from the machine body 1, the end surface of the second spring rod 12 will abut against the surface of the rotating plate 9. Due to the restriction of the arc-shaped port 13 and the sliding rod 14, the end of the rotating plate 9 away from the rotating shaft 8 cannot rotate away from the machine body 1, so that the rotating plate 9 will move the moving rod 6 away from the machine body 1 under the thrust of the second spring rod 12, and the first spring rod 5 will be gradually stretched. At this time, the ends of the plurality of elastic rods 7 will no longer abut against the surface of the filter screen 4, and with the movement of the second spring rod 12, the inclined surface of the inclined plate 21 will slide in contact with the surface of the abutting rod 20. Under the abutting pressure of the inclined surface, the second spring rod 12 will be gradually contracted, and the contact area between the second spring rod 12 and the rotating plate 9 will gradually decrease until there is no longer contact. At this time, the thrust of the second spring rod 12 to the rotating plate 9 disappears, and the rotating plate 9, the moving rod 6 and the plurality of elastic rods 7 will rapidly move back under the elastic potential energy of the first spring rod 5, and the plurality of elastic rods 7 will collide with the filter screen 4. Then, when the second spring rod 12 moves towards the machine body 1, the inclined plate 21 will gradually separate from the abutting rod 20, and the second spring rod 12 will gradually stretch back to its original state. Then, with the movement of the second spring rod 12, the end of the second spring rod 12 will abut against the surface of the rotating plate 9 away from the machine body 1. At this time, the end of the rotating plate 9 away from the rotating shaft 8 will rotate towards the machine body 1 under the thrust of the second spring rod 12, and after the second spring rod 12 no longer contacts the rotating plate 9, the rotating plate 9 will rapidly rotate back to its original state under the elastic potential energy of the torsion spring 16.

[0030] When the sliding block 11 with the second spring rod 12 moves transversely and reciprocally, the plurality of elastic rods 7 will intermittently collide with the filter screen 4, so that the dust and other impurities attached to the filter screen 4 will fall off under the impact force, thereby avoiding the reduction of the ventilation efficiency due to the blockage of the filter screen 4, and maintaining the good heat dissipation performance of the entire device.

[0031] The back of the machine body 1 is fixedly installed with a collecting box 22, which is located below the filter screen 4. The dust and other impurities falling off from the filter screen 4 under the impact force will fall into the collecting box 22.

[0032] The output shaft of the driving motor 2 is fixedly provided with a mounting rod 23, and the mounting rod 23 is fixedly connected with the filter screen 4 through two connecting rods 24.

[0033] When the output shaft of the driving motor 2 rotates with the exhaust fan blade 3, the mounting rod 23 and the connecting rod 24 also rotate with the filter screen 4, so that different positions on the surface of the filter screen 4 are sequentially impacted, thereby avoiding the problem of excessive cleaning of a local part and insufficient cleaning of other parts of the filter screen 4, ensuring that the entire surface of the filter screen 4 can be effectively cleaned, further improving the cleaning effect of the filter screen 4, and ensuring smooth ventilation and heat dissipation.

[0034] In the utility model, when the driving motor 2 rotates with the exhaust fan blade 3, the plurality of elastic rods 7 will intermittently collide with the filter screen 4, so that the dust and other impurities attached to the filter screen 4 can be detached under the action of the impact force, thereby avoiding the problem of reduced ventilation efficiency due to the blockage of the filter screen 4, and maintaining the good heat dissipation performance of the entire device.

[0035] In the utility model, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and other terms should be broadly understood.

[0036] The above is only the preferred specific implementation of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A fault detection device suitable for use in a solid state transformer comprising a housing (1), characterised in that, The body (1) is fixedly installed with a driving motor (2) through a connecting component, an exhaust fan blade (3) is fixedly sleeved on the output shaft of the driving motor (2), a heat dissipation opening is formed in the back surface of the body (1), a filter screen (4) is rotatably installed in the heat dissipation opening, the exhaust fan blade (3) corresponds to the position of the heat dissipation opening, a moving rod (6) is fixedly installed on the back surface of the body (1) through a first spring rod (5), a plurality of elastic rods (7) are fixedly installed on the surface of the moving rod (6) close to the filter screen (4), a rectangular opening is formed in one end of the moving rod (6), a rotating shaft (8) is vertically rotatably installed in the rectangular opening, a rotating plate (9) is fixedly sleeved on the rotating shaft (8), a circular opening is formed in the top of the rectangular opening, the top end of the rotating shaft (8) penetrates through the circular opening and is fixedly installed with a mounting block, the mounting block is connected with the moving rod (6) through an elastic component, an installation opening is formed in the back surface of the body (1), a rotating rod (10) is rotatably installed in the installation opening, a reciprocating thread is formed in the surface of the rotating rod (10) located outside the body (1), a sliding block (11) is threadedly sleeved on the rotating rod (10), the sliding block (11) is limited to rotate through a limiting component, the rotating rod (10) is controlled to rotate through a transmission component, a second spring rod (12) is fixedly installed on the side wall of the sliding block (11), the second spring rod (12) corresponds to the position of the rotating plate (9), the second spring rod (12) is controlled to contract through a pressing component, an arc-shaped opening (13) is formed in the lower surface of the rectangular opening with the rotating shaft (8) as the center, a sliding rod (14) is fixedly installed on the lower surface of the rotating plate (9), and the sliding rod (14) is slidingly arranged in the arc-shaped opening (13).

2. A fault detection device suitable for use in a solid state transformer according to claim 1, characterized in that, The connecting component comprises an installation ring fixedly sleeved on the driving motor (2) and two symmetrical supporting rods (15) fixedly installed on the outer wall of the installation ring, and one end of each of the two supporting rods (15) is fixedly connected with the inner wall of the body (1).

3. A fault detection device suitable for use in a solid state transformer according to claim 1, characterized in that, The elastic component comprises a torsion spring (16) sleeved on the rotating shaft (8), and the two ends of the torsion spring (16) are fixedly connected with the mounting block and the moving rod (6) respectively.

4. A fault detection device suitable for use in a solid state transformer according to claim 1, characterized in that, The transmission component comprises two sprockets (17) and a chain (18), and the two sprockets (17) are fixedly sleeved on the output shaft of the driving motor (2) and the rotating rod (10) respectively, and the chain (18) is engaged and wound on the two sprockets (17).

5. A fault detection device suitable for use in a solid state transformer according to claim 1, characterized in that, The limiting component comprises a limiting rod (19) fixedly installed on the back surface of the body (1), and the sliding block (11) is slidingly sleeved on the limiting rod (19).

6. A fault detection device suitable for use in a solid state transformer according to claim 1, characterized in that, The pressing component comprises an L-shaped pressing rod (20) fixedly installed on the back surface of the body (1), an installation block is fixedly sleeved on the second spring rod (12), an inclined plate (21) is fixedly installed on the surface of the installation block, and the inclined plate (21) corresponds to the position of the pressing rod (20).

7. A fault detection device suitable for use in a solid state transformer according to claim 1, characterized in that, A collecting box (22) is fixedly installed on the back surface of the body (1), and the collecting box (22) is located below the filter screen (4).

8. A fault detection device suitable for use in a solid state transformer according to claim 1, characterized in that, The output shaft of the driving motor (2) is fixedly provided with a mounting rod (23), and the mounting rod (23) is fixedly connected with the filter screen (4) through two connecting rods (24).

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