High-low voltage active filtering device

Abstract

The utility model belongs to the technical field of active filtering devices, and particularly relates to a high-low voltage active filtering device which comprises a filtering device shell, an anti-collision assembly arranged on one side of the filtering device shell, a first dustproof net arranged below the front face of the filtering device shell, and an air inlet hole formed in the middle of the top of the filtering device shell. The filtering device shell is provided with a fixing frame above the air inlet, and a second dustproof net is arranged at the bottom end of one side of the fixing frame. Through mutual cooperation of the first dustproof net, the air inlet hole, the fixing frame, the second dustproof net, the refrigeration frame, a waterproof breathable film, a spoiler, a refrigeration plate and a fan, the heat dissipation effect of the device is enhanced, the problem that the interior of the device is in a high-temperature environment for a long time in the using process of the device is solved, and the service life of the device is prolonged. And through mutual cooperation of a protection frame, a rotating rod, a force unloading cylinder, a spring and a buffer block, the device has an anti-collision function, and the problem that the device deforms or is damaged when being collided by some external factors is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of active filter devices, in particular to a high and low voltage active filter device. Background Art

[0002] Active power filters are new-type power harmonic control devices made with modern power electronics technology and digital signal processing technology based on high-speed DSP devices. They can effectively control power harmonics, improve power quality, and ensure the stability and reliability of power supply. They are widely used in industrial power systems, such as steel and papermaking. With the rapid development of emerging fields such as new energy and electric vehicles, their application scope is also expanding.

[0003] Existing patent number CN219659205U discloses a high-low voltage hybrid filter compensation device, including a compensation cabinet body, a cabinet door connected to one side of the compensation cabinet body, and a fixing component provided on one side of the cabinet door, a placement rack provided inside the compensation cabinet body, and a clamping component installed inside the placement rack. The fixing component is provided to facilitate the cabinet door to be fixed on one side of the compensation cabinet body, so that when the staff repairs the electrical components inside the compensation cabinet body, the cabinet door will not rotate back and forth, which is conducive to the maintenance work. The fixing rod is arranged vertically inside the hinge seat, and then the hinge seat is used to pass through the inside of the fixing ring, and then the fixing rod is flipped to match the fixing rod with the card slot, and then the first magnet and the second magnet are connected to fix the fixing rod inside the card slot, so that the cabinet door is fixed on one side of the compensation cabinet body.

[0004] The existing technology has the following problems:

[0005] 1. The existing high and low voltage active filter devices have a poor heat dissipation effect during use. This also causes the internal temperature of the device to be in a high temperature environment for a long time during use, which is prone to accelerated component aging, reducing the service life of the device and failing to meet the use requirements;

[0006] 2. The existing high and low voltage active filter devices do not have anti-collision functions, which also causes the device to be easily deformed or damaged when it is hit by some external factors, reducing the practicality of the device and making it inconvenient to promote. Utility Model Content

[0007] In response to the shortcomings of the existing technology, the utility model provides a high and low voltage active filtering device, which solves the current problem that the heat dissipation effect is not particularly ideal. This also causes the device to be in a high temperature environment for a long time during use, which is prone to accelerated component aging, and lacks anti-collision function. This also causes the device to be easily deformed or damaged when it is hit by some external factors.

[0008] To achieve the above objectives, the present invention provides the following technical solutions:

[0009] A high and low voltage active filter device includes a filter device housing, an anti-collision component is provided on one side of the filter device housing, a first dustproof net is provided below the front of the filter device housing, an air inlet is provided in the middle of the top of the filter device housing, a fixing bracket is provided on the filter device housing above the air inlet, a second dustproof net is provided at the bottom end of one side of the fixing bracket, a refrigeration frame is provided inside the fixing bracket, a waterproof and breathable membrane is provided at the bottom end of the refrigeration frame, a baffle is provided on the top of the waterproof and breathable membrane, a refrigeration plate is provided at the top end of the refrigeration frame, and a fan is provided in the middle of one side of the refrigeration frame;

[0010] The anti-collision component includes a protective frame, a bearing seat is provided at the bottom end of the protective frame, a rotating rod is provided on the top of the bearing seat, a force unloading cylinder is provided in the middle of the outer surface of the rotating rod, a damping rod is provided above one side of the protective frame, a spring is provided on the outer surface of the damping rod, and a buffer block is provided in the middle of one side of the protective frame.

[0011] As an optimal technical solution of the present invention, the rotating rod is installed on the bearing seat through a rotating connection, the rotating rod and the unloading cylinder are integrated, there are several groups of unloading cylinders, and the unloading cylinders are arranged in equidistant straight lines.

[0012] As a preferred technical solution of the present invention, one end of the damping rod is fixedly connected to the protective frame, and the other end of the damping rod is fixedly connected to the filter device housing. The size of the damping rod is adapted to the size of the spring.

[0013] As a preferred technical solution of the present invention, the buffer block is installed on the protective frame by bonding, and the buffer block is specifically made of rubber.

[0014] As a preferred technical solution of the present invention, there are several groups of air inlet holes, which are arranged in a rectangular array, and the size of the waterproof breathable membrane is adapted to the size of the air inlet holes.

[0015] As a preferred technical solution of the present invention, the second dustproof net is mounted on the fixing frame through a fixed connection, and the position of the second dustproof net is arranged to correspond to the position of the fan.

[0016] As an optimal technical solution of the present invention, the baffle is mounted on the inner wall of the refrigeration frame by a fixed connection, the position of the baffle is arranged corresponding to the position of the fan, and the fan is mounted on the refrigeration frame by bolts.

[0017] Compared with the prior art, the present invention provides a high and low voltage active filter device with the following beneficial effects:

[0018] 1. The high and low voltage active filter device is provided with a first dustproof net, an air inlet, a fixing frame, a second dustproof net, a refrigeration frame, a waterproof breathable membrane, a baffle, a refrigeration plate and a fan. When dissipating heat, the heat inside the filter device housing and the fixing frame is first exchanged with the external environment through the first dustproof net and the second dustproof net, while playing a dust-proof role. Then, the external air source is blown into the refrigeration frame by starting the fan, and the air inside the refrigeration frame is cooled by the refrigeration plate, and the cold air is blown into the filter device housing through the air inlet to reduce the temperature thereof. At the same time, the waterproof breathable membrane is provided to prevent water molecules in the cold air from passing through the air inlet to the interior of the filter device housing. Finally, the baffle is provided to prevent the air inside the refrigeration frame from flowing too fast, thereby improving the cooling efficiency of the air and further enhancing the heat dissipation effect of the device. This design avoids the problem that the interior of the device is in a high temperature environment for a long time during use, thereby improving the service life of the device and meeting the use requirements.

[0019] 2. The high and low voltage active filtering device is provided with a protective frame, a rotating rod, a force unloading cylinder, a spring and a buffer block. When it is hit by some external factors, the collision object first directly contacts the force unloading cylinder, and the rotation of the force unloading cylinder when in contact with the collision object is used to reduce the force of the collision. Then, the spring and the buffer block are squeezed by the protective frame. At the same time, the spring and the buffer block are squeezed and deformed, which plays a multiple buffering role, weakens and slows down the collision force generated by the collision, thereby improving the anti-collision effect of the device. This design enables the device to have an anti-collision function, avoids the problem of deformation or damage of the device when it is hit by some external factors, improves the practicality of the device, and facilitates promotion. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the three-dimensional structure of the housing of the filter device of the present invention;

[0022] Figure 3 This is a schematic diagram of the cross-sectional structure of the protective frame of the utility model;

[0023] Figure 4 This is a schematic diagram of the internal structure of the fixing frame of the utility model.

[0024] In the figure: 1. Filter device housing; 2. Anti-collision component; 201. Protective frame; 202. Bearing seat; 203. Rotating rod; 204. Unloading cylinder; 205. Damping rod; 206. Spring; 207. Buffer block; 3. First dustproof net; 4. Air inlet; 5. Fixed frame; 6. Second dustproof net; 7. Refrigeration frame; 8. Waterproof breathable membrane; 9. Baffle; 10. Refrigeration plate; 11. Fan. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] See also Figure 1-4 , In this embodiment: a high and low voltage active filter device comprises a filter device housing 1, an anti-collision component 2 is provided on one side of the filter device housing 1, a first dustproof net 3 is provided at the lower front side of the filter device housing 1, and the heat inside the filter device housing 1 is exchanged with the external environment through the first dustproof net 3, while playing a dust-proof role, an air inlet 4 is provided in the middle of the top of the filter device housing 1, a fixing bracket 5 is provided on the filter device housing 1 above the air inlet 4, a second dustproof net 6 is provided at the bottom end of one side of the fixing bracket 5, a refrigeration frame 7 is provided inside the fixing bracket 5, a waterproof and breathable membrane 8 is provided at the bottom end of the refrigeration frame 7, a baffle 9 is provided on the top of the waterproof and breathable membrane 8, a refrigeration plate 10 is provided at the top end of the refrigeration frame 7, so that the air inside the refrigeration frame 7 can be cooled by starting the refrigeration plate 10, and a fan 11 is provided in the middle of one side of the refrigeration frame 7, model JD2010;

[0027] The anti-collision component 2 includes a protective frame 201, a bearing seat 202 is provided at the bottom end of the protective frame 201, a rotating rod 203 is provided on the top of the bearing seat 202, a force unloading cylinder 204 is provided in the middle of the outer surface of the rotating rod 203, a damping rod 205 is provided above one side of the protective frame 201, a spring 206 is provided on the outer surface of the damping rod 205, and a buffer block 207 is provided in the middle of one side of the protective frame 201.

[0028] In this embodiment, the rotating rod 203 is mounted on the bearing seat 202 through a rotating connection. The rotating rod 203 and the unloading cylinder 204 are integrated. The unloading cylinders 204 are arranged in a plurality of groups and are arranged in an equidistant straight line.

[0029] Specifically, when the device is impacted by some external factors, the impact object directly contacts the unloading cylinder 204, and the rotation of the unloading cylinder 204 when in contact with the impact object is utilized to reduce the impact force.

[0030] In this embodiment, one end of the damping rod 205 is fixedly connected to the protective frame 201, and the other end of the damping rod 205 is fixedly connected to the filter device housing 1. The size of the damping rod 205 is adapted to the size of the spring 206;

[0031] Specifically, the damping rod 205 and the spring 206 cooperate with each other to reduce the collision force generated by the collision, thereby improving the anti-collision effect of the device.

[0032] In this embodiment, the buffer block 207 is mounted on the protective frame 201 by bonding, and the buffer block 207 is specifically made of rubber;

[0033] Specifically, the buffer block 207 is squeezed and deformed to play a buffering role, thereby improving the anti-collision effect of the device.

[0034] In this embodiment, the number of air inlet holes 4 is several groups, and the air inlet holes 4 are arranged in a rectangular array. The size of the waterproof breathable membrane 8 is adapted to the size of the air inlet holes 4;

[0035] Specifically, the waterproof and breathable membrane 8 is provided to prevent water molecules in the cold air from blowing into the interior of the filter device housing 1 through the air inlet 4, causing the components inside the housing to become damp.

[0036] In this embodiment, the second dustproof net 6 is fixedly mounted on the fixing frame 5, and the position of the second dustproof net 6 corresponds to the position of the fan 11;

[0037] Specifically, the second dustproof net 6 is provided to exchange heat between the interior of the fixing frame 5 and the external environment, while also playing a role in preventing dust.

[0038] In this embodiment, the spoiler 9 is fixedly mounted on the inner wall of the refrigeration frame 7. The position of the spoiler 9 corresponds to the position of the fan 11. The fan 11 is mounted on the refrigeration frame 7 by bolts.

[0039] Specifically, the baffle 9 is provided to prevent the air inside the refrigeration frame 7 from flowing too fast, thereby improving the cooling efficiency of the air and further enhancing the heat dissipation effect of the device.

[0040] The working principle and use process of the present invention are as follows: when dissipating heat, the heat inside the filter device housing 1 and the fixing frame 5 is first exchanged with the external environment through the first dustproof net 3 and the second dustproof net 6, and at the same time plays a role in dust prevention, and then the external air source is blown into the interior of the refrigeration frame 7 by starting the fan 11, and then the air inside the refrigeration frame 7 is cooled by the refrigeration plate 10, and the cold air is blown to the interior of the filter device housing 1 through the air inlet 4 to reduce its temperature, and at the same time, the waterproof and breathable membrane 8 provided inside the refrigeration frame 7 is used to prevent water molecules in the cold air from blowing into the interior of the filter device housing 1 through the air inlet 4, and finally the air is cooled by the barrier provided. The flow plate 9 prevents the air inside the refrigeration frame 7 from flowing too fast, improves the cooling efficiency of the air, and further enhances the heat dissipation effect of the device. When it is collided with some external factors, the collision object first directly contacts the unloading cylinder 204 on the outer surface of the rotating rod 203, and uses the rotation of the unloading cylinder 204 when contacting the collision object to reduce the force of the collision. Then, the spring 206 on the outer surface of the damping rod 205 and the buffer block 207 in the anti-collision component 2 are squeezed through the protective frame 201. At the same time, the spring 206 and the buffer block 207 are squeezed and deformed, playing a multiple buffering role, weakening and slowing down the collision force generated by the collision, thereby improving the anti-collision effect of the device.

[0041] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A high-low voltage active filter device, comprising a filter device housing (1), characterized in that: An anti-collision component (2) is provided on one side of the filter device housing (1), a first dustproof net (3) is provided at the lower front of the filter device housing (1), an air inlet (4) is provided in the middle of the top of the filter device housing (1), a fixing frame (5) is provided on the filter device housing (1) above the air inlet (4), a second dustproof net (6) is provided at the bottom of one side of the fixing frame (5), a cooling frame (7) is provided inside the fixing frame (5), a waterproof breathable membrane (8) is provided at the bottom of the cooling frame (7), a baffle (9) is provided at the top of the waterproof breathable membrane (8), a cooling plate (10) is provided at the top of the cooling frame (7), and a fan (11) is provided in the middle of one side of the cooling frame (7); The anti-collision component (2) comprises a protective frame (201), a bearing seat (202) is provided at the bottom end of the interior of the protective frame (201), a rotating rod (203) is provided at the top of the bearing seat (202), a force unloading cylinder (204) is provided in the middle of the outer surface of the rotating rod (203), a damping rod (205) is provided above one side of the protective frame (201), a spring (206) is provided on the outer surface of the damping rod (205), and a buffer block (207) is provided in the middle of one side of the protective frame (201).

2. The high and low voltage active filter device according to claim 1, characterized in that: The rotating rod (203) is mounted on the bearing seat (202) through a rotating connection. The rotating rod (203) and the unloading cylinder (204) are integrated. The unloading cylinders (204) are provided in several groups, and the unloading cylinders (204) are arranged in an equidistant straight line.

3. The high and low voltage active filter device according to claim 1, characterized in that: One end of the damping rod (205) is fixedly connected to the protective frame (201), and the other end of the damping rod (205) is fixedly connected to the filter device housing (1). The size of the damping rod (205) is compatible with the size of the spring (206).

4. The high and low voltage active filter device according to claim 1, characterized in that: The buffer block (207) is mounted on the protective frame (201) by bonding, and the buffer block (207) is specifically made of rubber.

5. The high and low voltage active filter device according to claim 1, characterized in that: The air inlet holes (4) are arranged in a rectangular array, and the size of the waterproof breathable membrane (8) is adapted to the size of the air inlet holes (4).

6. The high and low voltage active filter device according to claim 1, characterized in that: The second dustproof net (6) is mounted on the fixing frame (5) through a fixed connection, and the position of the second dustproof net (6) and the position of the fan (11) are arranged to correspond to each other.

7. The high and low voltage active filter device according to claim 1, characterized in that: The baffle (9) is mounted on the inner wall of the refrigeration frame (7) by a fixed connection. The position of the baffle (9) and the position of the fan (11) are arranged to correspond to each other. The fan (11) is mounted on the refrigeration frame (7) by bolts.

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