CN214479625U

CN214479625U - Active power filter structure

Info

Publication number: CN214479625U
Application number: CN202120373823.4U
Authority: CN
Inventors: 孙小聪; 曾祥泰; 胡树森; 李志贤; 李靖珣; 孟令方; 刘鲁川; 聂辉
Original assignee: Shengli Oil Field Hengda Electrical Co ltd
Current assignee: Shengli Oil Field Hengda Electrical Co ltd
Priority date: 2021-02-18
Filing date: 2021-02-18
Publication date: 2021-10-22
Anticipated expiration: 2031-02-18

Abstract

The utility model discloses an active power filter structure, which comprises a box body, wherein the top of the box body is provided with an opening, the side plate and the bottom plate of the box body are mutually clamped, a cover plate matched with the box body is arranged on the top of the box body, a device communication port is arranged on the side wall of the rear side of the box body, which is close to the left side, and the left side wall of the box body is provided with a fence terminal close to the front side, the inner cavity of the box body is provided with a clapboard at the middle part, a radiating fin is arranged below the clapboard and close to the middle part, the heat radiating fins are arranged on the bottom of the inner cavity of the box body, the power plate is arranged above the heat radiating fins, the power board is positioned in the inner cavity of the box body and close to the top, the right side of the power board is provided with a capacitor board, and be connected with first copper bar between electric capacity board and the power board, the left side of fin is provided with the electric induction plate, the utility model discloses a series of structures make this device have maintain characteristics such as convenient and the radiating effect is good.

Description

Active power filter structure

Technical Field

The utility model relates to an electric energy quality administers technical field, specifically is an active power filter structure.

Background

An active power filter, called APF for short, is mainly used for power grid harmonic treatment, regulation of reactive power and unbalanced current of a power grid at present and realization of the function of improving the quality of electric energy. The existing APF structure mainly has the following problems:

1. the functional partition in the device is unreasonable, the layout of electrical components is disordered, and the wiring harness is more and not beautiful enough;

2. the unreasonable thermal design in the equipment leads to the performance reduction of partial heat sensitive components, the air duct is unreasonable, the hidden heat dissipation trouble exists during operation, the operation efficiency is reduced, the service life of the equipment is prolonged, and the equipment installation and maintenance are complex.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem lie in overcoming prior art's defect such as the maintenance is not convenient and the radiating effect is poor, provide an active power filter structure. The active power filter structure has the characteristics of convenience in maintenance, good heat dissipation effect and the like.

In order to achieve the above object, the utility model provides a following technical scheme: an active power filter structure comprises a box body, wherein the top of the box body is provided with an opening, a side plate and a bottom plate of the box body are mutually clamped, a cover plate matched with the box body is arranged on the top of the box body, a device communication port is arranged on the side wall of the rear side of the box body close to the left side, a fence terminal is arranged on the side wall of the left side of the box body close to the front side, a partition plate is arranged in the middle of the inner cavity of the box body, a radiating fin is arranged below the partition plate close to the middle and is arranged on the bottom of the inner cavity of the box body, a power plate is arranged above the radiating fin and is arranged in the inner cavity of the box body close to the top, a capacitor plate is arranged on the right side of the power plate, a first copper bar is connected between the capacitor plate and the power plate, an inductor plate is arranged on the left side of the radiating fin and is arranged on the bottom of the inner cavity of the box body, the left side of electric inductance board is close to front side department and is provided with the forceful electric power generating line row, and the forceful electric power generating line row installs on the inner chamber bottom of box, the right side of fin is provided with fan assembly, and fan assembly installs on the inner chamber bottom of box, be close to rear side department on the top of baffle and be provided with the filtering board, and the filtering board lies in the left side on the baffle, be connected with the second copper bar between filtering board and power board and the electric inductance board, install the backup pad on the top of power board, and do not install power strip and main control board near the front and back both sides punishment on the top of backup pad.

Preferably, the positions, close to the top, on the side walls of the left side and the right side of the box body are respectively provided with a vent hole, and an insect-proof net is installed in an inner cavity of each vent hole.

Preferably, a plurality of first heat dissipation holes are formed in the position, close to the bottom, of the side wall of the left side of the box body, and a plurality of second heat dissipation holes are formed in the position, close to the bottom, of the side wall of the right side of the box body.

Preferably, the outer sides of the first heat dissipation hole and the second heat dissipation hole are provided with dust screens, and the dust screens are installed on the side wall of the box body.

Preferably, handles are respectively arranged on the front wall and the rear wall of the box body near the right side.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model can realize reasonable division of the interior of the box body through the mutual matching of the partition boards, the radiating fins and other parts, and has compact structure, reasonable and beautiful internal circuit layout and convenient carrying;

2. the utility model discloses a mutual cooperation between each parts such as fin, fan assembly, inductance board, ventilation hole, first louvre, second louvre, filter screen to can realize carrying out effectual heat dissipation to the inside of box, strengthen the safeguard function to equipment under the circumstances that does not influence the equipment heat dissipation, and then can improve the life and the price/performance ratio of equipment;

3. each function integrated circuit board is independent in the device to can be convenient for later maintenance and replacement, and then greatly reduced the maintenance cost, on the other hand, each function integrated circuit board has carried out the design of preventing slow-witted, and producibility is better, and then has reduced manufacturing cost.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a front view of the structure of FIG. 1;

fig. 3 is a left side view of the structure of fig. 1.

Reference numbers in the figures: 1. a fence terminal; 2. a handle; 3. a cover plate; 4. a second heat dissipation hole; 5. a device communication port; 6. a first heat dissipation hole; 7. a filter plate; 8. a capacitive plate; 9. a power panel; 10. a main control board; 11. a power board; 12. a partition plate; 13. an inductor plate; 14. a fan assembly; 15. a heat sink; 16. a strong current bus bar; 17. and (4) a box body.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: an active power filter structure comprises a box body 17, the top of the box body 17 is provided with an opening, the side plates and the bottom plate of the box body 17 are clamped with each other, a cover plate 3 matched with the box body 17 is arranged on the top of the box body 17, handles 2 are respectively arranged on the front wall and the rear wall of the box body 17 close to the right side, vent holes are respectively arranged on the left side wall and the right side wall of the box body 17 close to the top, insect-proof nets are arranged in the inner cavities of the vent holes, a device communication port 5 is arranged on the rear side wall of the box body 17 close to the left side, a fence terminal 1 is arranged on the left side wall of the box body 17 close to the front side, a partition plate 12 is arranged in the middle of the inner cavity of the box body 17, radiating fins 15 are arranged below the partition plate 12 close to the middle, the radiating fins 15 are arranged on the bottom of the inner cavity of the box body 17, and can be reasonably distinguished through the mutual matching between the partition plate 12 and the radiating fins 15, the structure is compact, the internal circuit layout is reasonable and beautiful, the carrying is convenient, a power plate 11 is arranged above the radiating fin 15, the power plate 11 is positioned in the inner cavity of the box body 17 near the top, a capacitor plate 8 is arranged on the right side of the power plate 11, a first copper bar is connected between the capacitor plate 8 and the power plate 11, an inductor plate 13 is arranged on the left side of the radiating fin 15, the inductor plate 13 is arranged on the bottom of the inner cavity of the box body 17, a strong current bus bar 16 is arranged on the left side of the inductor plate 13 near the front side, the strong current bus bar 16 is arranged on the bottom of the inner cavity of the box body 17, a fan assembly 14 is arranged on the right side of the radiating fin 15, the fan assembly 14 is arranged on the bottom of the inner cavity of the box body 17, a filter plate 7 is arranged on the top of the partition plate 12 near the rear side, the filter plate 7 is positioned on the left side of the partition plate 12, and a second copper bar is connected between the filter plate 7 and the power plate 11 and the inductor plate 13, install the backup pad on the top of power board 11, and install power strip 9 and main control board 10 respectively near front and back both sides punishment on the top of backup pad, each function integrated circuit board is independent in the device, thereby maintenance and replacement in later stage can be convenient for, and then greatly reduced the maintenance cost, on the other hand, each function integrated circuit board has carried out the design of preventing slow-witted, producibility is better, and then reduced manufacturing cost, the left side lateral wall of box 17 is close to bottom department and has seted up a plurality of evenly distributed's first louvre 6, and the right side lateral wall of box 17 is close to bottom department and has seted up a plurality of evenly distributed's second louvre 4, the outside of first louvre 6 and second louvre 4 is equipped with the dust screen, and the dust screen is installed on the lateral wall of box 17, through fin 15, fan assembly 14, inductance plate 13, the ventilation hole, first louvre 6, second louvre 4, The mutual cooperation between each part such as filter screen to can realize carrying out effectual heat dissipation to the inside of box 17, strengthen the safeguard function to equipment under the radiating circumstances of not influencing equipment, and then can improve equipment's life and price/performance ratio.

The working principle is as follows: the utility model divides the box body 17 into an upper cavity and a lower cavity through the baffle plate 12, so that the high-temperature device and the low-temperature device are separated in area, the devices are arranged orderly, the wiring harness layout is beautiful, the performance is good, a better environment is provided for the equipment operation, the service life of the equipment is ensured, the radiating fins 15 and the box body 17 form a good air duct, the heat generated by the equipment in the full-power operation is discharged through an air cooling mode, thereby the effective heat dissipation can be realized for the interior of the box body 17, the service life and the cost performance of the equipment can be further improved, the protection function for the equipment can be enhanced under the condition of not influencing the heat dissipation of the equipment through the ventilating holes, the insect-proof net, the first radiating holes 6, the second radiating holes 4 and the dust-proof net, because each function board card in the device is independent, the later maintenance and the replacement can be convenient, and the maintenance cost is further greatly reduced, on the other hand, each functional board card is designed to be fool-proof, so that the producibility is better, and the production cost is reduced.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An active power filter structure, includes box (17), its characterized in that: the top of the box body (17) is arranged in an opening mode, the side plate and the bottom plate of the box body (17) are mutually clamped, a cover plate (3) matched with the box body is arranged on the top of the box body (17), a device communication port (5) is arranged on the rear side wall of the box body (17) close to the left side, a fence terminal (1) is arranged on the left side wall of the box body (17) close to the front side, a partition plate (12) is arranged in the middle of the inner cavity of the box body (17), a radiating fin (15) is arranged below the partition plate (12) close to the middle of the partition plate, the radiating fin (15) is arranged on the bottom of the inner cavity of the box body (17), a power plate (11) is arranged above the radiating fin (15), the inner cavity of the power plate (11) is located close to the top of the inner cavity of the box body (17), a capacitor plate (8) is arranged on the right side of the power plate (11), and a first copper bar is connected between the capacitor plate (8) and the power plate (11), an inductance board (13) is arranged on the left side of the radiating fin (15), the inductance board (13) is arranged on the bottom of the inner cavity of the box body (17), a strong electric bus bar (16) is arranged on the left side of the inductance board (13) near the front side, and a strong electric bus bar (16) is arranged on the bottom of the inner cavity of the box body (17), a fan component (14) is arranged on the right side of the radiating fin (15), and the fan component (14) is arranged on the bottom of the inner cavity of the box body (17), the top of the clapboard (12) is provided with a filtering plate (7) close to the rear side, and the filter plate (7) is positioned on the left side of the clapboard (12), a second copper bar is connected between the filter plate (7) and the power plate (11) as well as the inductance plate (13), a supporting plate is arranged on the top of the power plate (11), and a power panel (9) and a main control panel (10) are respectively arranged on the top of the supporting plate close to the front side and the rear side.

2. An active power filter structure according to claim 1, characterized in that: the side walls of the left side and the right side of the box body (17) are respectively provided with a vent hole close to the top, and the inner cavity of each vent hole is provided with an insect-proof net.

3. An active power filter structure according to claim 1, characterized in that: a plurality of first heat dissipation holes (6) which are uniformly distributed are formed in the position, close to the bottom, of the side wall of the left side of the box body (17), and a plurality of second heat dissipation holes (4) which are uniformly distributed are formed in the position, close to the bottom, of the side wall of the right side of the box body (17).

4. An active power filter structure according to claim 3, characterized in that: the outer sides of the first heat dissipation hole (6) and the second heat dissipation hole (4) are provided with dust screens, and the dust screens are installed on the side wall of the box body (17).

5. An active power filter structure according to claim 1, characterized in that: handles (2) are respectively arranged on the front wall and the rear wall of the box body (17) close to the right side.