Harmonic protection device for electric energy management

Abstract

The invention provides a harmonic protection device for electric energy management, which comprises a cabinet body, a cabinet door is arranged on one side of the cabinet body, a partition plate parallel to the bottom of the cabinet body is arranged in the cabinet body, the partition plate is slidably arranged in the cabinet body in the vertical direction, and an air guide cylinder assembly is arranged on the partition plate in the vertical direction. The power filter is arranged in the air guide cylinder assembly, the air guide cylinder assembly is provided with a dust sweeping brush corresponding to the outer side of the power filter, a reciprocating driving mechanism for driving the partition plate to reciprocate up and down is arranged in the cabinet body, and the reciprocating driving mechanism is in transmission connection with the air outlet fan; in the heat dissipation device, the reciprocating driving mechanism drives the partition plate to move up and down in the heat dissipation process, the outer side of the power filter can be swept up and down through the dust sweeping brush in the air guide cylinder assembly, dust is prevented from adhering to the outer side of the power filter, dust adhering to the outer side of the active power filter can be reduced, and the heat dissipation effect of the active power filter is guaranteed; and the performance reduction caused by over-high temperature is avoided.

Description

Technical Field

[0001] The present invention belongs to the technical field of harmonic control, and in particular relates to a harmonic protection device for electric energy control. Background Art

[0002] Reactive power compensation and harmonic suppression equipment are usually installed in the electrical room and used in conjunction with the electrical room's heat dissipation equipment. In scenarios where power distribution is dispersed, it is necessary to set up a cabinet on site to install reactive power compensation and harmonic suppression equipment. The active power filter, the main heat-generating component of the reactive power compensation and harmonic suppression equipment, discharges heat into the cabinet through its own fan, and then the cabinet fan draws in cold air and discharges hot air to cool the active power filter.

[0003] In the prior art, a Chinese utility model patent document with an authorization announcement number of CN215121695U discloses a cabinet and a reactive power compensation and harmonic suppression device, wherein the inner cavity of the cabinet is divided into a hot zone space and a cold zone space by a partition, a first fan draws cold air into the cold zone space through a fan air inlet, an active power filter draws cold air in the cold zone space into a cooling passage through a heat dissipation air inlet, and then discharges hot air into the hot zone space through a heat dissipation air outlet, and a second fan discharges hot air in the hot zone space out of the cabinet through a fan air outlet, and the partition can reduce the ineffective air passage between the fan air inlet and the fan air outlet outside the active power filter, prevent the air in the cabinet from circulating outside the active power filter, ensure the heat dissipation effect of the active power filter, and avoid its performance degradation due to excessive temperature; however, during operation, after external dust enters the cabinet with the air flow, the dust is easily adhered to the outside of the active power filter, thereby affecting its heat dissipation effect.

[0004] Therefore, it is necessary to design a harmonic protection device for power management that can reduce dust adhesion on the outside of the active power filter, ensure its heat dissipation effect, and avoid its performance degradation due to excessive temperature to solve the current technical problems. Summary of the invention

[0006] In view of the deficiencies in the prior art, the present invention provides a harmonic protection device for electric energy management, which can reduce dust adhesion on the outside of an active power filter, ensure its heat dissipation effect, and avoid its performance degradation due to excessive temperature.

[0007] The technical solution of the present invention is: a harmonic protection device for electric energy management, comprising a cabinet, a cabinet door is provided on one side of the cabinet, a partition parallel to the bottom of the cabinet is provided inside the cabinet, the partition is slidably provided inside the cabinet along the vertical direction, an air guide cylinder assembly is provided on the partition along the vertical direction, a power filter is fixedly provided inside the cabinet, the power filter is provided inside the air guide cylinder assembly, the air guide cylinder assembly has a dust brush corresponding to the outer side of the power filter, an air intake fan is provided on the cabinet door below the partition, an air outlet fan is provided on one side of the cabinet above the partition, a reciprocating drive mechanism for driving the partition to reciprocate up and down is provided inside the cabinet, and the reciprocating drive mechanism is transmission connected with the air outlet fan.

[0008] A lead screw nut is fixedly arranged on the partition, a reciprocating lead screw is matchedly arranged inside the lead screw nut, the reciprocating lead screw is rotatably arranged inside the cabinet, and one end of the reciprocating lead screw is drivingly connected to the exhaust fan.

[0009] The exhaust fan has a fan shaft rotatably arranged on the cabinet, a fan impeller is fixedly arranged at one end of the fan shaft, a first driven wheel is arranged at the other end of the fan shaft, the first driven wheel is connected to the first driving wheel through a first transmission belt, and a fan drive motor for driving the first driving wheel to rotate is fixedly arranged on the cabinet; one end of the reciprocating screw is transmission-connected to the fan drive motor.

[0010] One end of the reciprocating screw is transmission-connected to a vertical axis gearbox, a second driven wheel is mounted on the vertical axis gearbox, the second driven wheel is transmission-connected to a second driving wheel via a second transmission belt, and the second driving wheel is coaxially driven with the first driving wheel.

[0011] A fan bracket is sleeved on the outer side of the fan shaft, the fan shaft is rotatably arranged inside the fan bracket, and the fan bracket is fixedly arranged on the cabinet.

[0012] The air guide cylinder assembly comprises a lower air cylinder fixedly arranged on the top of the partition, an upper air cylinder is arranged above the lower air cylinder, the dust brush is arranged between the upper air cylinder and the lower air cylinder, and the upper air cylinder, the dust brush and the lower air cylinder are detachably fixedly connected.

[0013] The dust sweeping brush has a support frame, the inner side of the upper end of the support frame is evenly provided with first bristles, the inner side of the lower end of the support frame is evenly provided with second bristles, and the first bristles and the second bristles are staggered.

[0014] Guide rods are evenly arranged around the partition, the partition is slidably connected to the guide rods, guide rod supports are fixedly arranged at both ends of the guide rods, and the guide rod supports are fixedly arranged on the inner side of the cabinet.

[0015] A stand is fixedly arranged at the bottom of the power filter, a bracket is vertically fixedly arranged at the bottom of the stand, and one end of the bracket is fixedly arranged at the inner side of the cabinet.

[0016] The stand is a plate structure with a cross-section in the horizontal direction, and the stand is made of copper or aluminum alloy.

[0017] Beneficial effects of the present invention: (1) In the present invention, the partition divides the interior of the cabinet into two upper and lower cavities, the air intake fan drives the external air into the interior of the cabinet, and the air outlet fan drives the air inside the cabinet to be discharged to the outside, thereby forming a concentrated airflow inside the air guide cylinder assembly, and the concentrated airflow flows upward from the surroundings of the power filter to ensure the heat dissipation effect of the power filter; (2) The exhaust fan is driven by a reciprocating drive mechanism. During the heat dissipation process, the reciprocating drive mechanism drives the partition to move up and down, and the partition drives the air guide tube assembly to move up and down on the outside of the power filter. The dust sweeping brush in the air guide tube assembly can clean the outside of the power filter up and down to prevent dust from adhering to the outside of the power filter. The dust adhesion on the outside of the active power filter can be reduced, thereby ensuring its heat dissipation effect and preventing its performance from being degraded due to excessive temperature. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is one of the structural schematic diagrams of the harmonic protection device used for electric energy management in the present invention.

[0019] Figure 2 This is the second structural schematic diagram of the harmonic protection device used for electric energy management in the present invention.

[0020] Figure 3 for Figure 2 Cross-section view at AA in the middle.

[0021] Figure 4 It is a schematic diagram of the internal structure of the harmonic protection device used for electric energy management in the present invention.

[0022] Figure 5 It is a schematic diagram of the structure of the dust sweeping brush in the present invention. DETAILED DESCRIPTION

[0023] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. The description of the exemplary embodiments is merely illustrative and is not intended to be any limitation on the present invention and its application or use. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. These embodiments are provided to make the present invention thorough and complete and to fully express the scope of the present invention to those skilled in the art. It should be noted that unless otherwise specifically stated, the relative arrangement of the parts and steps, the composition of the materials, the numerical expressions and the numerical values ​​set forth in these embodiments should be interpreted as being merely exemplary and not as limitations.

[0024] The words "first", "second" and similar words used in the present invention do not indicate any order, quantity or importance, but are only used to distinguish different parts. The words "include" or "comprise" and similar words mean that the elements before the word include the elements listed after the word, and do not exclude the possibility of including other elements. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0025] like Figures 1 to 4 As shown, a harmonic protection device for electric energy treatment comprises a cabinet 1, a cabinet door 12 is provided on one side of the cabinet 1, a partition 5 parallel to the bottom thereof is provided inside the cabinet 1, the partition 5 is slidably provided inside the cabinet 1 along the vertical direction, an air guide cylinder assembly 6 is provided on the partition 5 along the vertical direction, a power filter 4 is fixedly provided inside the cabinet 1, the power filter 4 is provided inside the air guide cylinder assembly 6, the air guide cylinder assembly 6 has a dust sweeping brush 63 corresponding to the outer side of the power filter 4, an air intake fan 2 is provided on the cabinet door 12 below the partition 5, an air outlet fan 3 is provided on one side of the cabinet 1 above the partition 5, a reciprocating drive mechanism 7 for driving the partition 5 to reciprocate up and down is provided inside the cabinet 1, and the reciprocating drive mechanism 7 is transmission-connected to the air outlet fan 3; in this embodiment, the partition 5 divides the interior of the cabinet 1 into It is divided into two upper and lower cavities, the air inlet fan 2 drives the external air into the interior of the cabinet 12, and the air outlet fan 3 drives the air inside the cabinet 12 to be discharged to the outside, thereby forming a concentrated airflow inside the air guide tube assembly 6, and the concentrated airflow flows upward from the four sides of the power filter 4 to ensure the heat dissipation effect of the power filter 4; the air outlet fan 3 is driven by the reciprocating drive mechanism 7, and in the process of heat dissipation, the reciprocating drive mechanism 7 drives the partition 5 to move up and down, and the partition 5 drives the air guide tube assembly 6 to move up and down on the outside of the power filter 4, and the dust brush 63 in the air guide tube assembly 6 can clean the outside of the power filter 4 up and down to avoid dust adhesion on the outside of the power filter 4, and can reduce dust adhesion on the outside of the active power filter, thereby ensuring its heat dissipation effect and avoiding its performance degradation due to excessive temperature.

[0026] In some embodiments, a screw nut 72 is fixedly provided on the partition 5, and a reciprocating screw 71 is cooperatedly provided inside the screw nut 72. The reciprocating screw 71 is rotatably provided inside the cabinet 1, and one end of the reciprocating screw 71 is transmission-connected to the exhaust fan 3. When the exhaust fan 3 rotates, it drives the reciprocating screw 71 to rotate. When the reciprocating screw 71 rotates, it drives the screw nut 72 to drive the partition 5 to move up and down. The partition 5 drives the air guide cylinder assembly 6 to move up and down on the outside of the power filter 4. The dust sweeping brush 63 in the air guide cylinder assembly 6 can clean the outside of the power filter 4 up and down; specifically, both ends of the reciprocating screw 71 are rotatably equipped with shaft seats, and the shaft seats are fixed on the inner side of the cabinet 1.

[0027] In some embodiments, the exhaust fan 3 has a fan shaft 33 rotatably arranged on the cabinet 1, a fan impeller 31 is fixedly arranged at one end of the fan shaft 33, and a first driven wheel 34 is arranged at the other end of the fan shaft 33. The first driven wheel 34 is transmission-connected to the first driving wheel 35 through a first transmission belt 36, and a fan driving motor 37 for driving the first driving wheel 35 to rotate is fixedly arranged on the cabinet 1; one end of the reciprocating screw 71 is transmission-connected to the fan driving motor 37, and the fan driving motor 37 drives the first driving wheel 35 to rotate after being energized, and the first driving wheel 35 drives the first driven wheel 34 to rotate through the first transmission belt 36, and the first driven wheel 34 drives the fan impeller 31 to rotate through the fan shaft 33. When the fan impeller 31 rotates, it drives the air inside the cabinet 1 to be discharged outward.

[0028] In some embodiments, one end of the reciprocating screw 71 is connected to a vertical axis gearbox 73, and the vertical axis gearbox 73 has an input shaft and an output shaft that are vertically transmitted. The input shaft and the output shaft are transmitted by an umbrella gear. The vertical axis gearbox 73 is equipped with a second driven wheel 74, and the second driven wheel 74 is connected to a second driving wheel 76 through a second transmission belt 75. The second driving wheel 76 is coaxially transmitted with the first driving wheel 35. The fan drive motor 37 drives the second driving wheel 76 to rotate, and the second driving wheel 76 drives the second driven wheel 74 to rotate through the second transmission belt 75. The second driven wheel 74 is transmitted between the vertical axis gearbox 73 and the reciprocating screw 71, driving the reciprocating screw 71 to rotate. When the reciprocating screw 71 rotates, it drives the screw nut 72 on its outside to drive the partition 5 to move back and forth up and down.

[0029] In some embodiments, a fan bracket 32 ​​is mounted on the outer side of the fan shaft 33 , and the fan shaft 33 is rotatably arranged inside the fan bracket 32 ​​. The fan bracket 32 ​​is fixedly arranged on the cabinet 1 , and the fan bracket 32 ​​provides rotational support for the fan shaft 33 on the cabinet 1 .

[0030] In some embodiments, the air guide cylinder assembly 6 has a lower air cylinder 61 fixedly mounted on the top of the partition 5, an upper air cylinder 62 is mounted above the lower air cylinder 61, a dust brush 63 is mounted between the upper air cylinder 62 and the lower air cylinder 61, and the upper air cylinder 62, the dust brush 63 and the lower air cylinder 61 are detachably and fixedly connected. After the upper air cylinder 62 and the dust brush 63 are removed from the lower air cylinder 61, the power filter 4 can be leaked out, making it convenient to install and disassemble it, and the dust brush 63 can be replaced after being worn.

[0031] In some embodiments, Figure 5 As shown, the dust sweeping brush 63 has a supporting frame 631, and the first bristles 632 are evenly arranged on the inner side of the upper end of the supporting frame 631, and the second bristles 633 are evenly arranged on the inner side of the lower end of the supporting frame 631. The first bristles 632 and the second bristles 633 are staggered, and there is a channel for air flow between the staggered first bristles 632 and the second bristles 633, which can allow the air flow to pass through and flow through the power filter 4, thereby achieving the effect of dissipating heat for the power filter 4.

[0032] In some embodiments, as a specific implementation in which the partition 5 is slidably arranged inside the cabinet 1 along the vertical direction, guide rods 8 are evenly arranged around the partition 5, the partition 5 is slidably connected to the guide rods 8, and guide rod supports 81 are fixedly arranged at both ends of the guide rod 8, and the guide rod supports 81 are fixedly arranged on the inner side of the cabinet 1.

[0033] In some embodiments, a stand 13 is fixedly disposed at the bottom of the power filter 4 , a bracket 11 is vertically fixedly disposed at the bottom of the stand 13 , and one end of the bracket 11 is fixedly disposed on the inner side of the cabinet 1 .

[0034] In some embodiments, the frame 13 is a plate structure with a cross-section in the horizontal direction. The frame is made of copper or aluminum alloy. The frame 13 made of copper or aluminum alloy has good thermal conductivity. Part of the heat of the power filter 4 will be transferred to the frame 13 and dissipated, thereby increasing the heat dissipation area.

[0035] So far, various embodiments of the present invention have been described in detail. In order to avoid obscuring the concept of the present invention, some details known in the art are not described. Based on the above description, those skilled in the art can fully understand how to implement the technical solution disclosed here.

[0036] The above-mentioned embodiments only express some implementation methods of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the invention patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be based on the attached claims.

Claims

1. A harmonic protection device for electric energy management, characterized in that: It includes a cabinet body, a cabinet door is provided on one side of the cabinet body, a partition parallel to the bottom of the cabinet body is provided inside the cabinet body, the partition is slidably provided inside the cabinet body along the vertical direction, an air guide cylinder assembly is provided on the partition body along the vertical direction, an electric power filter is fixedly provided inside the cabinet body, the electric power filter is provided inside the air guide cylinder assembly, the air guide cylinder assembly has a dust brush corresponding to the outer side of the electric power filter, an air intake fan is provided on the cabinet door below the partition body, an air outlet fan is provided on one side of the cabinet body above the partition body, a reciprocating drive mechanism for driving the partition body to reciprocate up and down is provided inside the cabinet body, and the reciprocating drive mechanism is transmission connected with the air outlet fan.

2. The harmonic protection device for electric energy management according to claim 1 is characterized in that: A lead screw nut is fixedly arranged on the partition, a reciprocating lead screw is matchedly arranged inside the lead screw nut, the reciprocating lead screw is rotatably arranged inside the cabinet, and one end of the reciprocating lead screw is drivingly connected to the exhaust fan.

3. The harmonic protection device for electric energy management according to claim 2 is characterized in that: The exhaust fan has a fan shaft rotatably arranged on the cabinet, a fan impeller is fixedly arranged at one end of the fan shaft, a first driven wheel is arranged at the other end of the fan shaft, the first driven wheel is connected to the first driving wheel through a first transmission belt, and a fan drive motor for driving the first driving wheel to rotate is fixedly arranged on the cabinet; one end of the reciprocating screw is transmission-connected to the fan drive motor.

4. The harmonic protection device for electric energy management according to claim 4 is characterized in that: One end of the reciprocating screw is transmission-connected to a vertical axis gearbox, a second driven wheel is mounted on the vertical axis gearbox, the second driven wheel is transmission-connected to a second driving wheel via a second transmission belt, and the second driving wheel is coaxially driven with the first driving wheel.

5. The harmonic protection device for electric energy management according to claim 3 is characterized in that: A fan bracket is sleeved on the outer side of the fan shaft, the fan shaft is rotatably arranged inside the fan bracket, and the fan bracket is fixedly arranged on the cabinet.

6. The harmonic protection device for electric energy management according to claim 1 is characterized in that: The air guide cylinder assembly comprises a lower air cylinder fixedly arranged on the top of the partition, an upper air cylinder is arranged above the lower air cylinder, the dust brush is arranged between the upper air cylinder and the lower air cylinder, and the upper air cylinder, the dust brush and the lower air cylinder are detachably fixedly connected.

7. The harmonic protection device for electric energy management according to claim 6 is characterized in that: The dust sweeping brush has a support frame, the inner side of the upper end of the support frame is evenly provided with first bristles, the inner side of the lower end of the support frame is evenly provided with second bristles, and the first bristles and the second bristles are staggered.

8. The harmonic protection device for electric energy management according to claim 1 is characterized in that: Guide rods are evenly arranged around the partition, the partition is slidably connected to the guide rods, guide rod supports are fixedly arranged at both ends of the guide rods, and the guide rod supports are fixedly arranged on the inner side of the cabinet.

9. The harmonic protection device for electric energy management according to claim 1, characterized in that: A stand is fixedly arranged at the bottom of the power filter, a bracket is vertically fixedly arranged at the bottom of the stand, and one end of the bracket is fixedly arranged at the inner side of the cabinet.

10. The harmonic protection device for electric energy management according to claim 9, characterized in that: The stand is a plate structure with a cross-section in the horizontal direction, and the stand is made of copper or aluminum alloy.

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